This file contains any messages produced by compilers while running configure, to aid debugging if configure makes a mistake. It was created by gdbsupport configure 1.0, which was generated by GNU Autoconf 2.69. Invocation command line was $ /home/buildroot/autobuild/instance-2/output-1/build/binutils-arc-2020.09-release/gdbsupport/configure --srcdir=.././gdbsupport --cache-file=./config.cache --with-gnu-as --with-gnu-ld --with-system-zlib --prefix=/usr --exec-prefix=/usr --sysconfdir=/etc --localstatedir=/var --disable-gtk-doc --disable-gtk-doc-html --disable-doc --disable-docs --disable-documentation --with-xmlto=no --with-fop=no --disable-dependency-tracking --enable-ipv6 --disable-nls --enable-static --enable-shared --disable-multilib --disable-werror --enable-install-libiberty --enable-build-warnings=no --with-system-zlib --disable-gprofng --disable-sim --disable-gdb --program-transform-name=s&^&& --disable-option-checking --build=x86_64-pc-linux-gnu --host=arceb-buildroot-linux-gnu --target=arceb-buildroot-linux-gnu ## --------- ## ## Platform. ## ## --------- ## hostname = gcc159.bak.milne.osuosl.org uname -m = x86_64 uname -r = 4.9.0-19-amd64 uname -s = Linux uname -v = #1 SMP Debian 4.9.320-2 (2022-06-30) /usr/bin/uname -p = unknown /bin/uname -X = unknown /bin/arch = unknown /usr/bin/arch -k = unknown /usr/convex/getsysinfo = unknown /usr/bin/hostinfo = unknown /bin/machine = unknown /usr/bin/oslevel = unknown /bin/universe = unknown PATH: /home/buildroot/autobuild/instance-2/output-1/per-package/binutils/host/bin PATH: /home/buildroot/autobuild/instance-2/output-1/per-package/binutils/host/sbin PATH: /usr/local/sbin PATH: /usr/local/bin PATH: /usr/sbin PATH: /usr/bin PATH: /sbin PATH: /bin ## ----------- ## ## Core tests. ## ## ----------- ## configure:2648: creating cache ./config.cache configure:2763: checking build system type configure:2777: result: x86_64-pc-linux-gnu configure:2797: checking host system type configure:2810: result: arceb-buildroot-linux-gnu configure:2830: checking target system type configure:2843: result: arceb-buildroot-linux-gnu configure:2871: checking whether to enable maintainer-specific portions of Makefiles configure:2880: result: no configure:2938: checking for a BSD-compatible install configure:3006: result: /usr/bin/install -c configure:3017: checking whether build environment is sane configure:3072: result: yes configure:3131: checking for arceb-buildroot-linux-gnu-strip configure:3147: found /home/buildroot/autobuild/instance-2/output-1/per-package/binutils/host/bin/arceb-buildroot-linux-gnu-strip configure:3158: result: arceb-buildroot-linux-gnu-strip configure:3223: checking for a thread-safe mkdir -p configure:3262: result: /bin/mkdir -p configure:3269: checking for gawk configure:3296: result: gawk configure:3307: checking whether /usr/bin/make sets $(MAKE) configure:3329: result: yes configure:3358: checking whether /usr/bin/make supports nested variables configure:3375: result: yes configure:3512: checking whether /usr/bin/make supports nested variables configure:3529: result: yes configure:3549: checking for arceb-buildroot-linux-gnu-gcc configure:3576: result: /home/buildroot/autobuild/instance-2/output-1/per-package/binutils/host/bin/arceb-buildroot-linux-gnu-gcc configure:3845: checking for C compiler version configure:3854: /home/buildroot/autobuild/instance-2/output-1/per-package/binutils/host/bin/arceb-buildroot-linux-gnu-gcc --version >&5 arceb-buildroot-linux-gnu-gcc.br_real (Buildroot 2021.05-8070-g0b17cd017e) 10.2.0 Copyright (C) 2020 Free Software Foundation, Inc. This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. configure:3865: $? = 0 configure:3854: /home/buildroot/autobuild/instance-2/output-1/per-package/binutils/host/bin/arceb-buildroot-linux-gnu-gcc -v >&5 Using built-in specs. COLLECT_GCC=/home/buildroot/autobuild/instance-2/output-1/per-package/binutils/host/bin/arceb-buildroot-linux-gnu-gcc.br_real COLLECT_LTO_WRAPPER=/home/buildroot/autobuild/instance-2/output-1/per-package/binutils/host/bin/../libexec/gcc/arceb-buildroot-linux-gnu/10.2.0/lto-wrapper Target: arceb-buildroot-linux-gnu Configured with: ./configure --prefix=/home/buildroot/autobuild/instance-2/output-1/per-package/host-gcc-final/host --sysconfdir=/home/buildroot/autobuild/instance-2/output-1/per-package/host-gcc-final/host/etc --enable-static --target=arceb-buildroot-linux-gnu --with-sysroot=/home/buildroot/autobuild/instance-2/output-1/per-package/host-gcc-final/host/arceb-buildroot-linux-gnu/sysroot --enable-__cxa_atexit --with-gnu-ld --disable-libssp --disable-multilib --disable-decimal-float --enable-plugins --enable-lto --with-gmp=/home/buildroot/autobuild/instance-2/output-1/per-package/host-gcc-final/host --with-mpc=/home/buildroot/autobuild/instance-2/output-1/per-package/host-gcc-final/host --with-mpfr=/home/buildroot/autobuild/instance-2/output-1/per-package/host-gcc-final/host --with-pkgversion='Buildroot 2021.05-8070-g0b17cd017e' --with-bugurl=http://bugs.buildroot.net/ --without-zstd --disable-libquadmath --disable-libquadmath-support --enable-tls --enable-threads --without-isl --without-cloog --with-cpu=hs4x --enable-languages=c --with-build-time-tools=/home/buildroot/autobuild/instance-2/output-1/per-package/host-gcc-final/host/arceb-buildroot-linux-gnu/bin --enable-shared --disable-libgomp Thread model: posix Supported LTO compression algorithms: zlib gcc version 10.2.0 (Buildroot 2021.05-8070-g0b17cd017e) COMPILER_PATH=/home/buildroot/autobuild/instance-2/output-1/per-package/binutils/host/bin/../libexec/gcc/arceb-buildroot-linux-gnu/10.2.0/:/home/buildroot/autobuild/instance-2/output-1/per-package/binutils/host/bin/../libexec/gcc/:/home/buildroot/autobuild/instance-2/output-1/per-package/binutils/host/bin/../lib/gcc/arceb-buildroot-linux-gnu/10.2.0/../../../../arceb-buildroot-linux-gnu/bin/ LIBRARY_PATH=/home/buildroot/autobuild/instance-2/output-1/per-package/binutils/host/bin/../lib/gcc/arceb-buildroot-linux-gnu/10.2.0/:/home/buildroot/autobuild/instance-2/output-1/per-package/binutils/host/bin/../lib/gcc/:/home/buildroot/autobuild/instance-2/output-1/per-package/binutils/host/bin/../lib/gcc/arceb-buildroot-linux-gnu/10.2.0/../../../../arceb-buildroot-linux-gnu/lib/:/home/buildroot/autobuild/instance-2/output-1/per-package/binutils/host/arceb-buildroot-linux-gnu/sysroot/lib/:/home/buildroot/autobuild/instance-2/output-1/per-package/binutils/host/arceb-buildroot-linux-gnu/sysroot/usr/lib/ ... rest of stderr output deleted ... configure:3865: $? = 1 configure:3854: /home/buildroot/autobuild/instance-2/output-1/per-package/binutils/host/bin/arceb-buildroot-linux-gnu-gcc -V >&5 arceb-buildroot-linux-gnu-gcc.br_real: error: unrecognized command-line option '-V' configure:3865: $? = 1 configure:3854: /home/buildroot/autobuild/instance-2/output-1/per-package/binutils/host/bin/arceb-buildroot-linux-gnu-gcc -qversion >&5 arceb-buildroot-linux-gnu-gcc.br_real: error: unrecognized command-line option '-qversion'; did you mean '--version'? configure:3865: $? = 1 configure:3885: checking whether the C compiler works configure:3907: /home/buildroot/autobuild/instance-2/output-1/per-package/binutils/host/bin/arceb-buildroot-linux-gnu-gcc -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -Ofast -g2 -D_FORTIFY_SOURCE=1 conftest.c >&5 configure:3911: $? = 0 configure:3959: result: yes configure:3962: checking for C compiler default output file name configure:3964: result: a.out configure:3970: checking for suffix of executables configure:3977: /home/buildroot/autobuild/instance-2/output-1/per-package/binutils/host/bin/arceb-buildroot-linux-gnu-gcc -o conftest -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -Ofast -g2 -D_FORTIFY_SOURCE=1 conftest.c >&5 configure:3981: $? = 0 configure:4003: result: configure:4025: checking whether we are cross compiling configure:4063: result: yes configure:4068: checking for suffix of object files configure:4090: /home/buildroot/autobuild/instance-2/output-1/per-package/binutils/host/bin/arceb-buildroot-linux-gnu-gcc -c -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -Ofast -g2 -D_FORTIFY_SOURCE=1 conftest.c >&5 configure:4094: $? = 0 configure:4115: result: o configure:4119: checking whether we are using the GNU C compiler configure:4138: /home/buildroot/autobuild/instance-2/output-1/per-package/binutils/host/bin/arceb-buildroot-linux-gnu-gcc -c -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -Ofast -g2 -D_FORTIFY_SOURCE=1 conftest.c >&5 configure:4138: $? = 0 configure:4147: result: yes configure:4156: checking whether /home/buildroot/autobuild/instance-2/output-1/per-package/binutils/host/bin/arceb-buildroot-linux-gnu-gcc accepts -g configure:4176: /home/buildroot/autobuild/instance-2/output-1/per-package/binutils/host/bin/arceb-buildroot-linux-gnu-gcc -c -g conftest.c >&5 configure:4176: $? = 0 configure:4217: result: yes configure:4234: checking for /home/buildroot/autobuild/instance-2/output-1/per-package/binutils/host/bin/arceb-buildroot-linux-gnu-gcc option to accept ISO C89 configure:4297: /home/buildroot/autobuild/instance-2/output-1/per-package/binutils/host/bin/arceb-buildroot-linux-gnu-gcc -c -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -Ofast -g2 -D_FORTIFY_SOURCE=1 conftest.c >&5 configure:4297: $? = 0 configure:4310: result: none needed configure:4335: checking whether /home/buildroot/autobuild/instance-2/output-1/per-package/binutils/host/bin/arceb-buildroot-linux-gnu-gcc understands -c and -o together configure:4357: /home/buildroot/autobuild/instance-2/output-1/per-package/binutils/host/bin/arceb-buildroot-linux-gnu-gcc -c conftest.c -o conftest2.o configure:4360: $? = 0 configure:4357: /home/buildroot/autobuild/instance-2/output-1/per-package/binutils/host/bin/arceb-buildroot-linux-gnu-gcc -c conftest.c -o conftest2.o configure:4360: $? = 0 configure:4372: result: yes configure:4400: checking for style of include used by /usr/bin/make configure:4428: result: GNU configure:4454: checking dependency style of /home/buildroot/autobuild/instance-2/output-1/per-package/binutils/host/bin/arceb-buildroot-linux-gnu-gcc configure:4565: result: none configure:4692: checking for C++ compiler version configure:4701: no --version >&5 /home/buildroot/autobuild/instance-2/output-1/build/binutils-arc-2020.09-release/gdbsupport/configure: line 4703: no: command not found configure:4712: $? = 127 configure:4701: no -v >&5 /home/buildroot/autobuild/instance-2/output-1/build/binutils-arc-2020.09-release/gdbsupport/configure: line 4703: no: command not found configure:4712: $? = 127 configure:4701: no -V >&5 /home/buildroot/autobuild/instance-2/output-1/build/binutils-arc-2020.09-release/gdbsupport/configure: line 4703: no: command not found configure:4712: $? = 127 configure:4701: no -qversion >&5 /home/buildroot/autobuild/instance-2/output-1/build/binutils-arc-2020.09-release/gdbsupport/configure: line 4703: no: command not found configure:4712: $? = 127 configure:4716: checking whether we are using the GNU C++ compiler configure:4735: no -c -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -Ofast -g2 -D_FORTIFY_SOURCE=1 conftest.cpp >&5 /home/buildroot/autobuild/instance-2/output-1/build/binutils-arc-2020.09-release/gdbsupport/configure: line 1583: no: command not found configure:4735: $? = 127 configure: failed program was: | /* confdefs.h */ | #define PACKAGE_NAME "gdbsupport" | #define PACKAGE_TARNAME "gdbsupport" | #define PACKAGE_VERSION "1.0" | #define PACKAGE_STRING "gdbsupport 1.0" | #define PACKAGE_BUGREPORT "" | #define PACKAGE_URL "" | #define PACKAGE "gdbsupport" | #define VERSION "1.0" | /* end confdefs.h. */ | | int | main () | { | #ifndef __GNUC__ | choke me | #endif | | ; | return 0; | } configure:4744: result: no configure:4753: checking whether no accepts -g configure:4773: no -c -g conftest.cpp >&5 /home/buildroot/autobuild/instance-2/output-1/build/binutils-arc-2020.09-release/gdbsupport/configure: line 1583: no: command not found configure:4773: $? = 127 configure: failed program was: | /* confdefs.h */ | #define PACKAGE_NAME "gdbsupport" | #define PACKAGE_TARNAME "gdbsupport" | #define PACKAGE_VERSION "1.0" | #define PACKAGE_STRING "gdbsupport 1.0" | #define PACKAGE_BUGREPORT "" | #define PACKAGE_URL "" | #define PACKAGE "gdbsupport" | #define VERSION "1.0" | /* end confdefs.h. */ | | int | main () | { | | ; | return 0; | } configure:4788: no -c conftest.cpp >&5 /home/buildroot/autobuild/instance-2/output-1/build/binutils-arc-2020.09-release/gdbsupport/configure: line 1583: no: command not found configure:4788: $? = 127 configure: failed program was: | /* confdefs.h */ | #define PACKAGE_NAME "gdbsupport" | #define PACKAGE_TARNAME "gdbsupport" | #define PACKAGE_VERSION "1.0" | #define PACKAGE_STRING "gdbsupport 1.0" | #define PACKAGE_BUGREPORT "" | #define PACKAGE_URL "" | #define PACKAGE "gdbsupport" | #define VERSION "1.0" | /* end confdefs.h. */ | | int | main () | { | | ; | return 0; | } configure:4804: no -c -g conftest.cpp >&5 /home/buildroot/autobuild/instance-2/output-1/build/binutils-arc-2020.09-release/gdbsupport/configure: line 1583: no: command not found configure:4804: $? = 127 configure: failed program was: | /* confdefs.h */ | #define PACKAGE_NAME "gdbsupport" | #define PACKAGE_TARNAME "gdbsupport" | #define PACKAGE_VERSION "1.0" | #define PACKAGE_STRING "gdbsupport 1.0" | #define PACKAGE_BUGREPORT "" | #define PACKAGE_URL "" | #define PACKAGE "gdbsupport" | #define VERSION "1.0" | /* end confdefs.h. */ | | int | main () | { | | ; | return 0; | } configure:4814: result: no configure:4839: checking dependency style of no configure:4950: result: none configure:4968: checking for arceb-buildroot-linux-gnu-ranlib configure:4995: result: /home/buildroot/autobuild/instance-2/output-1/per-package/binutils/host/bin/arceb-buildroot-linux-gnu-gcc-ranlib configure:5064: checking how to run the C preprocessor configure:5095: /home/buildroot/autobuild/instance-2/output-1/per-package/binutils/host/bin/arceb-buildroot-linux-gnu-gcc -E conftest.c configure:5095: $? = 0 configure:5109: /home/buildroot/autobuild/instance-2/output-1/per-package/binutils/host/bin/arceb-buildroot-linux-gnu-gcc -E conftest.c conftest.c:11:10: fatal error: ac_nonexistent.h: No such file or directory 11 | #include | ^~~~~~~~~~~~~~~~~~ compilation terminated. configure:5109: $? = 1 configure: failed program was: | /* confdefs.h */ | #define PACKAGE_NAME "gdbsupport" | #define PACKAGE_TARNAME "gdbsupport" | #define PACKAGE_VERSION "1.0" | #define PACKAGE_STRING "gdbsupport 1.0" | #define PACKAGE_BUGREPORT "" | #define PACKAGE_URL "" | #define PACKAGE "gdbsupport" | #define VERSION "1.0" | /* end confdefs.h. */ | #include configure:5134: result: /home/buildroot/autobuild/instance-2/output-1/per-package/binutils/host/bin/arceb-buildroot-linux-gnu-gcc -E configure:5154: /home/buildroot/autobuild/instance-2/output-1/per-package/binutils/host/bin/arceb-buildroot-linux-gnu-gcc -E conftest.c configure:5154: $? = 0 configure:5168: /home/buildroot/autobuild/instance-2/output-1/per-package/binutils/host/bin/arceb-buildroot-linux-gnu-gcc -E conftest.c conftest.c:11:10: fatal error: ac_nonexistent.h: No such file or directory 11 | #include | ^~~~~~~~~~~~~~~~~~ compilation terminated. configure:5168: $? = 1 configure: failed program was: | /* confdefs.h */ | #define PACKAGE_NAME "gdbsupport" | #define PACKAGE_TARNAME "gdbsupport" | #define PACKAGE_VERSION "1.0" | #define PACKAGE_STRING "gdbsupport 1.0" | #define PACKAGE_BUGREPORT "" | #define PACKAGE_URL "" | #define PACKAGE "gdbsupport" | #define VERSION "1.0" | /* end confdefs.h. */ | #include configure:5197: checking for grep that handles long lines and -e configure:5255: result: /bin/grep configure:5260: checking for egrep configure:5322: result: /bin/grep -E configure:5327: checking for ANSI C header files configure:5347: /home/buildroot/autobuild/instance-2/output-1/per-package/binutils/host/bin/arceb-buildroot-linux-gnu-gcc -c -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -Ofast -g2 -D_FORTIFY_SOURCE=1 conftest.c >&5 configure:5347: $? = 0 configure:5431: result: yes configure:5444: checking for sys/types.h configure:5444: /home/buildroot/autobuild/instance-2/output-1/per-package/binutils/host/bin/arceb-buildroot-linux-gnu-gcc -c -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -Ofast -g2 -D_FORTIFY_SOURCE=1 conftest.c >&5 configure:5444: $? = 0 configure:5444: result: yes configure:5444: checking for sys/stat.h configure:5444: /home/buildroot/autobuild/instance-2/output-1/per-package/binutils/host/bin/arceb-buildroot-linux-gnu-gcc -c -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -Ofast -g2 -D_FORTIFY_SOURCE=1 conftest.c >&5 configure:5444: $? = 0 configure:5444: result: yes configure:5444: checking for stdlib.h configure:5444: /home/buildroot/autobuild/instance-2/output-1/per-package/binutils/host/bin/arceb-buildroot-linux-gnu-gcc -c -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -Ofast -g2 -D_FORTIFY_SOURCE=1 conftest.c >&5 configure:5444: $? = 0 configure:5444: result: yes configure:5444: checking for string.h configure:5444: /home/buildroot/autobuild/instance-2/output-1/per-package/binutils/host/bin/arceb-buildroot-linux-gnu-gcc -c -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -Ofast -g2 -D_FORTIFY_SOURCE=1 conftest.c >&5 configure:5444: $? = 0 configure:5444: result: yes configure:5444: checking for memory.h configure:5444: /home/buildroot/autobuild/instance-2/output-1/per-package/binutils/host/bin/arceb-buildroot-linux-gnu-gcc -c -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -Ofast -g2 -D_FORTIFY_SOURCE=1 conftest.c >&5 configure:5444: $? = 0 configure:5444: result: yes configure:5444: checking for strings.h configure:5444: /home/buildroot/autobuild/instance-2/output-1/per-package/binutils/host/bin/arceb-buildroot-linux-gnu-gcc -c -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -Ofast -g2 -D_FORTIFY_SOURCE=1 conftest.c >&5 configure:5444: $? = 0 configure:5444: result: yes configure:5444: checking for inttypes.h configure:5444: /home/buildroot/autobuild/instance-2/output-1/per-package/binutils/host/bin/arceb-buildroot-linux-gnu-gcc -c -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -Ofast -g2 -D_FORTIFY_SOURCE=1 conftest.c >&5 configure:5444: $? = 0 configure:5444: result: yes configure:5444: checking for stdint.h configure:5444: /home/buildroot/autobuild/instance-2/output-1/per-package/binutils/host/bin/arceb-buildroot-linux-gnu-gcc -c -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -Ofast -g2 -D_FORTIFY_SOURCE=1 conftest.c >&5 configure:5444: $? = 0 configure:5444: result: yes configure:5444: checking for unistd.h configure:5444: /home/buildroot/autobuild/instance-2/output-1/per-package/binutils/host/bin/arceb-buildroot-linux-gnu-gcc -c -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -Ofast -g2 -D_FORTIFY_SOURCE=1 conftest.c >&5 configure:5444: $? = 0 configure:5444: result: yes configure:5457: checking minix/config.h usability configure:5457: /home/buildroot/autobuild/instance-2/output-1/per-package/binutils/host/bin/arceb-buildroot-linux-gnu-gcc -c -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -Ofast -g2 -D_FORTIFY_SOURCE=1 conftest.c >&5 conftest.c:54:10: fatal error: minix/config.h: No such file or directory 54 | #include | ^~~~~~~~~~~~~~~~ compilation terminated. configure:5457: $? = 1 configure: failed program was: | /* confdefs.h */ | #define PACKAGE_NAME "gdbsupport" | #define PACKAGE_TARNAME "gdbsupport" | #define PACKAGE_VERSION "1.0" | #define PACKAGE_STRING "gdbsupport 1.0" | #define PACKAGE_BUGREPORT "" | #define PACKAGE_URL "" | #define PACKAGE "gdbsupport" | #define VERSION "1.0" | #define STDC_HEADERS 1 | #define HAVE_SYS_TYPES_H 1 | #define HAVE_SYS_STAT_H 1 | #define HAVE_STDLIB_H 1 | #define HAVE_STRING_H 1 | #define HAVE_MEMORY_H 1 | #define HAVE_STRINGS_H 1 | #define HAVE_INTTYPES_H 1 | #define HAVE_STDINT_H 1 | #define HAVE_UNISTD_H 1 | /* end confdefs.h. */ | #include | #ifdef HAVE_SYS_TYPES_H | # include | #endif | #ifdef HAVE_SYS_STAT_H | # include | #endif | #ifdef STDC_HEADERS | # include | # include | #else | # ifdef HAVE_STDLIB_H | # include | # endif | #endif | #ifdef HAVE_STRING_H | # if !defined STDC_HEADERS && defined HAVE_MEMORY_H | # include | # endif | # include | #endif | #ifdef HAVE_STRINGS_H | # include | #endif | #ifdef HAVE_INTTYPES_H | # include | #endif | #ifdef HAVE_STDINT_H | # include | #endif | #ifdef HAVE_UNISTD_H | # include | #endif | #include configure:5457: result: no configure:5457: checking minix/config.h presence configure:5457: /home/buildroot/autobuild/instance-2/output-1/per-package/binutils/host/bin/arceb-buildroot-linux-gnu-gcc -E conftest.c conftest.c:21:10: fatal error: minix/config.h: No such file or directory 21 | #include | ^~~~~~~~~~~~~~~~ compilation terminated. configure:5457: $? = 1 configure: failed program was: | /* confdefs.h */ | #define PACKAGE_NAME "gdbsupport" | #define PACKAGE_TARNAME "gdbsupport" | #define PACKAGE_VERSION "1.0" | #define PACKAGE_STRING "gdbsupport 1.0" | #define PACKAGE_BUGREPORT "" | #define PACKAGE_URL "" | #define PACKAGE "gdbsupport" | #define VERSION "1.0" | #define STDC_HEADERS 1 | #define HAVE_SYS_TYPES_H 1 | #define HAVE_SYS_STAT_H 1 | #define HAVE_STDLIB_H 1 | #define HAVE_STRING_H 1 | #define HAVE_MEMORY_H 1 | #define HAVE_STRINGS_H 1 | #define HAVE_INTTYPES_H 1 | #define HAVE_STDINT_H 1 | #define HAVE_UNISTD_H 1 | /* end confdefs.h. */ | #include configure:5457: result: no configure:5457: checking for minix/config.h configure:5457: result: no configure:5478: checking whether it is safe to define __EXTENSIONS__ configure:5496: /home/buildroot/autobuild/instance-2/output-1/per-package/binutils/host/bin/arceb-buildroot-linux-gnu-gcc -c -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -Ofast -g2 -D_FORTIFY_SOURCE=1 conftest.c >&5 configure:5496: $? = 0 configure:5503: result: yes configure:5530: checking for dlfcn.h configure:5530: /home/buildroot/autobuild/instance-2/output-1/per-package/binutils/host/bin/arceb-buildroot-linux-gnu-gcc -c -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -Ofast -g2 -D_FORTIFY_SOURCE=1 conftest.c >&5 configure:5530: $? = 0 configure:5530: result: yes configure:5543: checking for windows.h configure:5543: /home/buildroot/autobuild/instance-2/output-1/per-package/binutils/host/bin/arceb-buildroot-linux-gnu-gcc -c -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -Ofast -g2 -D_FORTIFY_SOURCE=1 conftest.c >&5 conftest.c:61:10: fatal error: windows.h: No such file or directory 61 | #include | ^~~~~~~~~~~ compilation terminated. configure:5543: $? = 1 configure: failed program was: | /* confdefs.h */ | #define PACKAGE_NAME "gdbsupport" | #define PACKAGE_TARNAME "gdbsupport" | #define PACKAGE_VERSION "1.0" | #define PACKAGE_STRING "gdbsupport 1.0" | #define PACKAGE_BUGREPORT "" | #define PACKAGE_URL "" | #define PACKAGE "gdbsupport" | #define VERSION "1.0" | #define STDC_HEADERS 1 | #define HAVE_SYS_TYPES_H 1 | #define HAVE_SYS_STAT_H 1 | #define HAVE_STDLIB_H 1 | #define HAVE_STRING_H 1 | #define HAVE_MEMORY_H 1 | #define HAVE_STRINGS_H 1 | #define HAVE_INTTYPES_H 1 | #define HAVE_STDINT_H 1 | #define HAVE_UNISTD_H 1 | #define __EXTENSIONS__ 1 | #define _ALL_SOURCE 1 | #define _GNU_SOURCE 1 | #define _POSIX_PTHREAD_SEMANTICS 1 | #define _TANDEM_SOURCE 1 | #define HAVE_DLFCN_H 1 | /* end confdefs.h. */ | #include | #ifdef HAVE_SYS_TYPES_H | # include | #endif | #ifdef HAVE_SYS_STAT_H | # include | #endif | #ifdef STDC_HEADERS | # include | # include | #else | # ifdef HAVE_STDLIB_H | # include | # endif | #endif | #ifdef HAVE_STRING_H | # if !defined STDC_HEADERS && defined HAVE_MEMORY_H | # include | # endif | # include | #endif | #ifdef HAVE_STRINGS_H | # include | #endif | #ifdef HAVE_INTTYPES_H | # include | #endif | #ifdef HAVE_STDINT_H | # include | #endif | #ifdef HAVE_UNISTD_H | # include | #endif | | #include configure:5543: result: no configure:5570: checking for library containing dlsym configure:5601: /home/buildroot/autobuild/instance-2/output-1/per-package/binutils/host/bin/arceb-buildroot-linux-gnu-gcc -o conftest -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -Ofast -g2 -D_FORTIFY_SOURCE=1 conftest.c >&5 configure:5601: $? = 0 configure:5618: result: none required configure:5649: checking for special C compiler options needed for large files configure:5694: result: no configure:5700: checking for _FILE_OFFSET_BITS value needed for large files configure:5725: /home/buildroot/autobuild/instance-2/output-1/per-package/binutils/host/bin/arceb-buildroot-linux-gnu-gcc -c -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -Ofast -g2 -D_FORTIFY_SOURCE=1 conftest.c >&5 configure:5725: $? = 0 configure:5757: result: no configure:5851: checking for arceb-buildroot-linux-gnu-gcc configure:5878: result: /home/buildroot/autobuild/instance-2/output-1/per-package/binutils/host/bin/arceb-buildroot-linux-gnu-gcc configure:6147: checking for C compiler version configure:6156: /home/buildroot/autobuild/instance-2/output-1/per-package/binutils/host/bin/arceb-buildroot-linux-gnu-gcc --version >&5 arceb-buildroot-linux-gnu-gcc.br_real (Buildroot 2021.05-8070-g0b17cd017e) 10.2.0 Copyright (C) 2020 Free Software Foundation, Inc. This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. configure:6167: $? = 0 configure:6156: /home/buildroot/autobuild/instance-2/output-1/per-package/binutils/host/bin/arceb-buildroot-linux-gnu-gcc -v >&5 Using built-in specs. COLLECT_GCC=/home/buildroot/autobuild/instance-2/output-1/per-package/binutils/host/bin/arceb-buildroot-linux-gnu-gcc.br_real COLLECT_LTO_WRAPPER=/home/buildroot/autobuild/instance-2/output-1/per-package/binutils/host/bin/../libexec/gcc/arceb-buildroot-linux-gnu/10.2.0/lto-wrapper Target: arceb-buildroot-linux-gnu Configured with: ./configure --prefix=/home/buildroot/autobuild/instance-2/output-1/per-package/host-gcc-final/host --sysconfdir=/home/buildroot/autobuild/instance-2/output-1/per-package/host-gcc-final/host/etc --enable-static --target=arceb-buildroot-linux-gnu --with-sysroot=/home/buildroot/autobuild/instance-2/output-1/per-package/host-gcc-final/host/arceb-buildroot-linux-gnu/sysroot --enable-__cxa_atexit --with-gnu-ld --disable-libssp --disable-multilib --disable-decimal-float --enable-plugins --enable-lto --with-gmp=/home/buildroot/autobuild/instance-2/output-1/per-package/host-gcc-final/host --with-mpc=/home/buildroot/autobuild/instance-2/output-1/per-package/host-gcc-final/host --with-mpfr=/home/buildroot/autobuild/instance-2/output-1/per-package/host-gcc-final/host --with-pkgversion='Buildroot 2021.05-8070-g0b17cd017e' --with-bugurl=http://bugs.buildroot.net/ --without-zstd --disable-libquadmath --disable-libquadmath-support --enable-tls --enable-threads --without-isl --without-cloog --with-cpu=hs4x --enable-languages=c --with-build-time-tools=/home/buildroot/autobuild/instance-2/output-1/per-package/host-gcc-final/host/arceb-buildroot-linux-gnu/bin --enable-shared --disable-libgomp Thread model: posix Supported LTO compression algorithms: zlib gcc version 10.2.0 (Buildroot 2021.05-8070-g0b17cd017e) COMPILER_PATH=/home/buildroot/autobuild/instance-2/output-1/per-package/binutils/host/bin/../libexec/gcc/arceb-buildroot-linux-gnu/10.2.0/:/home/buildroot/autobuild/instance-2/output-1/per-package/binutils/host/bin/../libexec/gcc/:/home/buildroot/autobuild/instance-2/output-1/per-package/binutils/host/bin/../lib/gcc/arceb-buildroot-linux-gnu/10.2.0/../../../../arceb-buildroot-linux-gnu/bin/ LIBRARY_PATH=/home/buildroot/autobuild/instance-2/output-1/per-package/binutils/host/bin/../lib/gcc/arceb-buildroot-linux-gnu/10.2.0/:/home/buildroot/autobuild/instance-2/output-1/per-package/binutils/host/bin/../lib/gcc/:/home/buildroot/autobuild/instance-2/output-1/per-package/binutils/host/bin/../lib/gcc/arceb-buildroot-linux-gnu/10.2.0/../../../../arceb-buildroot-linux-gnu/lib/:/home/buildroot/autobuild/instance-2/output-1/per-package/binutils/host/arceb-buildroot-linux-gnu/sysroot/lib/:/home/buildroot/autobuild/instance-2/output-1/per-package/binutils/host/arceb-buildroot-linux-gnu/sysroot/usr/lib/ ... rest of stderr output deleted ... configure:6167: $? = 1 configure:6156: /home/buildroot/autobuild/instance-2/output-1/per-package/binutils/host/bin/arceb-buildroot-linux-gnu-gcc -V >&5 arceb-buildroot-linux-gnu-gcc.br_real: error: unrecognized command-line option '-V' configure:6167: $? = 1 configure:6156: /home/buildroot/autobuild/instance-2/output-1/per-package/binutils/host/bin/arceb-buildroot-linux-gnu-gcc -qversion >&5 arceb-buildroot-linux-gnu-gcc.br_real: error: unrecognized command-line option '-qversion'; did you mean '--version'? configure:6167: $? = 1 configure:6171: checking whether we are using the GNU C compiler configure:6199: result: yes configure:6208: checking whether /home/buildroot/autobuild/instance-2/output-1/per-package/binutils/host/bin/arceb-buildroot-linux-gnu-gcc accepts -g configure:6269: result: yes configure:6286: checking for /home/buildroot/autobuild/instance-2/output-1/per-package/binutils/host/bin/arceb-buildroot-linux-gnu-gcc option to accept ISO C89 configure:6362: result: none needed configure:6387: checking whether /home/buildroot/autobuild/instance-2/output-1/per-package/binutils/host/bin/arceb-buildroot-linux-gnu-gcc understands -c and -o together configure:6424: result: yes configure:6443: checking dependency style of /home/buildroot/autobuild/instance-2/output-1/per-package/binutils/host/bin/arceb-buildroot-linux-gnu-gcc configure:6554: result: none configure:6583: checking whether no supports C++11 features by default configure:6877: no -c -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -Ofast -g2 -D_FORTIFY_SOURCE=1 conftest.cpp >&5 /home/buildroot/autobuild/instance-2/output-1/build/binutils-arc-2020.09-release/gdbsupport/configure: line 1583: no: command not found configure:6877: $? = 127 configure: failed program was: | /* confdefs.h */ | #define PACKAGE_NAME "gdbsupport" | #define PACKAGE_TARNAME "gdbsupport" | #define PACKAGE_VERSION "1.0" | #define PACKAGE_STRING "gdbsupport 1.0" | #define PACKAGE_BUGREPORT "" | #define PACKAGE_URL "" | #define PACKAGE "gdbsupport" | #define VERSION "1.0" | #define STDC_HEADERS 1 | #define HAVE_SYS_TYPES_H 1 | #define HAVE_SYS_STAT_H 1 | #define HAVE_STDLIB_H 1 | #define HAVE_STRING_H 1 | #define HAVE_MEMORY_H 1 | #define HAVE_STRINGS_H 1 | #define HAVE_INTTYPES_H 1 | #define HAVE_STDINT_H 1 | #define HAVE_UNISTD_H 1 | #define __EXTENSIONS__ 1 | #define _ALL_SOURCE 1 | #define _GNU_SOURCE 1 | #define _POSIX_PTHREAD_SEMANTICS 1 | #define _TANDEM_SOURCE 1 | #define HAVE_DLFCN_H 1 | /* end confdefs.h. */ | | | // If the compiler admits that it is not ready for C++11, why torture it? | // Hopefully, this will speed up the test. | | #ifndef __cplusplus | | #error "This is not a C++ compiler" | | #elif __cplusplus < 201103L | | #error "This is not a C++11 compiler" | | #else | | namespace cxx11 | { | | namespace test_static_assert | { | | template | struct check | { | static_assert(sizeof(int) <= sizeof(T), "not big enough"); | }; | | } | | namespace test_final_override | { | | struct Base | { | virtual void f() {} | }; | | struct Derived : public Base | { | virtual void f() override {} | }; | | } | | namespace test_double_right_angle_brackets | { | | template < typename T > | struct check {}; | | typedef check single_type; | typedef check> double_type; | typedef check>> triple_type; | typedef check>>> quadruple_type; | | } | | namespace test_decltype | { | | int | f() | { | int a = 1; | decltype(a) b = 2; | return a + b; | } | | } | | namespace test_type_deduction | { | | template < typename T1, typename T2 > | struct is_same | { | static const bool value = false; | }; | | template < typename T > | struct is_same | { | static const bool value = true; | }; | | template < typename T1, typename T2 > | auto | add(T1 a1, T2 a2) -> decltype(a1 + a2) | { | return a1 + a2; | } | | int | test(const int c, volatile int v) | { | static_assert(is_same::value == true, ""); | static_assert(is_same::value == false, ""); | static_assert(is_same::value == false, ""); | auto ac = c; | auto av = v; | auto sumi = ac + av + 'x'; | auto sumf = ac + av + 1.0; | static_assert(is_same::value == true, ""); | static_assert(is_same::value == true, ""); | static_assert(is_same::value == true, ""); | static_assert(is_same::value == false, ""); | static_assert(is_same::value == true, ""); | return (sumf > 0.0) ? sumi : add(c, v); | } | | } | | namespace test_noexcept | { | | int f() { return 0; } | int g() noexcept { return 0; } | | static_assert(noexcept(f()) == false, ""); | static_assert(noexcept(g()) == true, ""); | | } | | namespace test_constexpr | { | | template < typename CharT > | unsigned long constexpr | strlen_c_r(const CharT *const s, const unsigned long acc) noexcept | { | return *s ? strlen_c_r(s + 1, acc + 1) : acc; | } | | template < typename CharT > | unsigned long constexpr | strlen_c(const CharT *const s) noexcept | { | return strlen_c_r(s, 0UL); | } | | static_assert(strlen_c("") == 0UL, ""); | static_assert(strlen_c("1") == 1UL, ""); | static_assert(strlen_c("example") == 7UL, ""); | static_assert(strlen_c("another\0example") == 7UL, ""); | | } | | namespace test_rvalue_references | { | | template < int N > | struct answer | { | static constexpr int value = N; | }; | | answer<1> f(int&) { return answer<1>(); } | answer<2> f(const int&) { return answer<2>(); } | answer<3> f(int&&) { return answer<3>(); } | | void | test() | { | int i = 0; | const int c = 0; | static_assert(decltype(f(i))::value == 1, ""); | static_assert(decltype(f(c))::value == 2, ""); | static_assert(decltype(f(0))::value == 3, ""); | } | | } | | namespace test_uniform_initialization | { | | struct test | { | static const int zero {}; | static const int one {1}; | }; | | static_assert(test::zero == 0, ""); | static_assert(test::one == 1, ""); | | } | | namespace test_lambdas | { | | void | test1() | { | auto lambda1 = [](){}; | auto lambda2 = lambda1; | lambda1(); | lambda2(); | } | | int | test2() | { | auto a = [](int i, int j){ return i + j; }(1, 2); | auto b = []() -> int { return '0'; }(); | auto c = [=](){ return a + b; }(); | auto d = [&](){ return c; }(); | auto e = [a, &b](int x) mutable { | const auto identity = [](int y){ return y; }; | for (auto i = 0; i < a; ++i) | a += b--; | return x + identity(a + b); | }(0); | return a + b + c + d + e; | } | | int | test3() | { | const auto nullary = [](){ return 0; }; | const auto unary = [](int x){ return x; }; | using nullary_t = decltype(nullary); | using unary_t = decltype(unary); | const auto higher1st = [](nullary_t f){ return f(); }; | const auto higher2nd = [unary](nullary_t f1){ | return [unary, f1](unary_t f2){ return f2(unary(f1())); }; | }; | return higher1st(nullary) + higher2nd(nullary)(unary); | } | | } | | namespace test_variadic_templates | { | | template | struct sum; | | template | struct sum | { | static constexpr auto value = N0 + sum::value; | }; | | template <> | struct sum<> | { | static constexpr auto value = 0; | }; | | static_assert(sum<>::value == 0, ""); | static_assert(sum<1>::value == 1, ""); | static_assert(sum<23>::value == 23, ""); | static_assert(sum<1, 2>::value == 3, ""); | static_assert(sum<5, 5, 11>::value == 21, ""); | static_assert(sum<2, 3, 5, 7, 11, 13>::value == 41, ""); | | } | | // http://stackoverflow.com/questions/13728184/template-aliases-and-sfinae | // Clang 3.1 fails with headers of libstd++ 4.8.3 when using std::function | // because of this. | namespace test_template_alias_sfinae | { | | struct foo {}; | | template | using member = typename T::member_type; | | template | void func(...) {} | | template | void func(member*) {} | | void test(); | | void test() { func(0); } | | } | | } // namespace cxx11 | | #endif // __cplusplus >= 201103L | | | configure:6884: result: no configure:6894: checking whether no supports C++11 features with -std=gnu++11 configure:7190: no -std=gnu++11 -c -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -Ofast -g2 -D_FORTIFY_SOURCE=1 conftest.cpp >&5 /home/buildroot/autobuild/instance-2/output-1/build/binutils-arc-2020.09-release/gdbsupport/configure: line 1583: no: command not found configure:7190: $? = 127 configure: failed program was: | /* confdefs.h */ | #define PACKAGE_NAME "gdbsupport" | #define PACKAGE_TARNAME "gdbsupport" | #define PACKAGE_VERSION "1.0" | #define PACKAGE_STRING "gdbsupport 1.0" | #define PACKAGE_BUGREPORT "" | #define PACKAGE_URL "" | #define PACKAGE "gdbsupport" | #define VERSION "1.0" | #define STDC_HEADERS 1 | #define HAVE_SYS_TYPES_H 1 | #define HAVE_SYS_STAT_H 1 | #define HAVE_STDLIB_H 1 | #define HAVE_STRING_H 1 | #define HAVE_MEMORY_H 1 | #define HAVE_STRINGS_H 1 | #define HAVE_INTTYPES_H 1 | #define HAVE_STDINT_H 1 | #define HAVE_UNISTD_H 1 | #define __EXTENSIONS__ 1 | #define _ALL_SOURCE 1 | #define _GNU_SOURCE 1 | #define _POSIX_PTHREAD_SEMANTICS 1 | #define _TANDEM_SOURCE 1 | #define HAVE_DLFCN_H 1 | /* end confdefs.h. */ | | | // If the compiler admits that it is not ready for C++11, why torture it? | // Hopefully, this will speed up the test. | | #ifndef __cplusplus | | #error "This is not a C++ compiler" | | #elif __cplusplus < 201103L | | #error "This is not a C++11 compiler" | | #else | | namespace cxx11 | { | | namespace test_static_assert | { | | template | struct check | { | static_assert(sizeof(int) <= sizeof(T), "not big enough"); | }; | | } | | namespace test_final_override | { | | struct Base | { | virtual void f() {} | }; | | struct Derived : public Base | { | virtual void f() override {} | }; | | } | | namespace test_double_right_angle_brackets | { | | template < typename T > | struct check {}; | | typedef check single_type; | typedef check> double_type; | typedef check>> triple_type; | typedef check>>> quadruple_type; | | } | | namespace test_decltype | { | | int | f() | { | int a = 1; | decltype(a) b = 2; | return a + b; | } | | } | | namespace test_type_deduction | { | | template < typename T1, typename T2 > | struct is_same | { | static const bool value = false; | }; | | template < typename T > | struct is_same | { | static const bool value = true; | }; | | template < typename T1, typename T2 > | auto | add(T1 a1, T2 a2) -> decltype(a1 + a2) | { | return a1 + a2; | } | | int | test(const int c, volatile int v) | { | static_assert(is_same::value == true, ""); | static_assert(is_same::value == false, ""); | static_assert(is_same::value == false, ""); | auto ac = c; | auto av = v; | auto sumi = ac + av + 'x'; | auto sumf = ac + av + 1.0; | static_assert(is_same::value == true, ""); | static_assert(is_same::value == true, ""); | static_assert(is_same::value == true, ""); | static_assert(is_same::value == false, ""); | static_assert(is_same::value == true, ""); | return (sumf > 0.0) ? sumi : add(c, v); | } | | } | | namespace test_noexcept | { | | int f() { return 0; } | int g() noexcept { return 0; } | | static_assert(noexcept(f()) == false, ""); | static_assert(noexcept(g()) == true, ""); | | } | | namespace test_constexpr | { | | template < typename CharT > | unsigned long constexpr | strlen_c_r(const CharT *const s, const unsigned long acc) noexcept | { | return *s ? strlen_c_r(s + 1, acc + 1) : acc; | } | | template < typename CharT > | unsigned long constexpr | strlen_c(const CharT *const s) noexcept | { | return strlen_c_r(s, 0UL); | } | | static_assert(strlen_c("") == 0UL, ""); | static_assert(strlen_c("1") == 1UL, ""); | static_assert(strlen_c("example") == 7UL, ""); | static_assert(strlen_c("another\0example") == 7UL, ""); | | } | | namespace test_rvalue_references | { | | template < int N > | struct answer | { | static constexpr int value = N; | }; | | answer<1> f(int&) { return answer<1>(); } | answer<2> f(const int&) { return answer<2>(); } | answer<3> f(int&&) { return answer<3>(); } | | void | test() | { | int i = 0; | const int c = 0; | static_assert(decltype(f(i))::value == 1, ""); | static_assert(decltype(f(c))::value == 2, ""); | static_assert(decltype(f(0))::value == 3, ""); | } | | } | | namespace test_uniform_initialization | { | | struct test | { | static const int zero {}; | static const int one {1}; | }; | | static_assert(test::zero == 0, ""); | static_assert(test::one == 1, ""); | | } | | namespace test_lambdas | { | | void | test1() | { | auto lambda1 = [](){}; | auto lambda2 = lambda1; | lambda1(); | lambda2(); | } | | int | test2() | { | auto a = [](int i, int j){ return i + j; }(1, 2); | auto b = []() -> int { return '0'; }(); | auto c = [=](){ return a + b; }(); | auto d = [&](){ return c; }(); | auto e = [a, &b](int x) mutable { | const auto identity = [](int y){ return y; }; | for (auto i = 0; i < a; ++i) | a += b--; | return x + identity(a + b); | }(0); | return a + b + c + d + e; | } | | int | test3() | { | const auto nullary = [](){ return 0; }; | const auto unary = [](int x){ return x; }; | using nullary_t = decltype(nullary); | using unary_t = decltype(unary); | const auto higher1st = [](nullary_t f){ return f(); }; | const auto higher2nd = [unary](nullary_t f1){ | return [unary, f1](unary_t f2){ return f2(unary(f1())); }; | }; | return higher1st(nullary) + higher2nd(nullary)(unary); | } | | } | | namespace test_variadic_templates | { | | template | struct sum; | | template | struct sum | { | static constexpr auto value = N0 + sum::value; | }; | | template <> | struct sum<> | { | static constexpr auto value = 0; | }; | | static_assert(sum<>::value == 0, ""); | static_assert(sum<1>::value == 1, ""); | static_assert(sum<23>::value == 23, ""); | static_assert(sum<1, 2>::value == 3, ""); | static_assert(sum<5, 5, 11>::value == 21, ""); | static_assert(sum<2, 3, 5, 7, 11, 13>::value == 41, ""); | | } | | // http://stackoverflow.com/questions/13728184/template-aliases-and-sfinae | // Clang 3.1 fails with headers of libstd++ 4.8.3 when using std::function | // because of this. | namespace test_template_alias_sfinae | { | | struct foo {}; | | template | using member = typename T::member_type; | | template | void func(...) {} | | template | void func(member*) {} | | void test(); | | void test() { func(0); } | | } | | } // namespace cxx11 | | #endif // __cplusplus >= 201103L | | | configure:7199: result: no configure:6894: checking whether no supports C++11 features with -std=gnu++0x configure:7190: no -std=gnu++0x -c -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -Ofast -g2 -D_FORTIFY_SOURCE=1 conftest.cpp >&5 /home/buildroot/autobuild/instance-2/output-1/build/binutils-arc-2020.09-release/gdbsupport/configure: line 1583: no: command not found configure:7190: $? = 127 configure: failed program was: | /* confdefs.h */ | #define PACKAGE_NAME "gdbsupport" | #define PACKAGE_TARNAME "gdbsupport" | #define PACKAGE_VERSION "1.0" | #define PACKAGE_STRING "gdbsupport 1.0" | #define PACKAGE_BUGREPORT "" | #define PACKAGE_URL "" | #define PACKAGE "gdbsupport" | #define VERSION "1.0" | #define STDC_HEADERS 1 | #define HAVE_SYS_TYPES_H 1 | #define HAVE_SYS_STAT_H 1 | #define HAVE_STDLIB_H 1 | #define HAVE_STRING_H 1 | #define HAVE_MEMORY_H 1 | #define HAVE_STRINGS_H 1 | #define HAVE_INTTYPES_H 1 | #define HAVE_STDINT_H 1 | #define HAVE_UNISTD_H 1 | #define __EXTENSIONS__ 1 | #define _ALL_SOURCE 1 | #define _GNU_SOURCE 1 | #define _POSIX_PTHREAD_SEMANTICS 1 | #define _TANDEM_SOURCE 1 | #define HAVE_DLFCN_H 1 | /* end confdefs.h. */ | | | // If the compiler admits that it is not ready for C++11, why torture it? | // Hopefully, this will speed up the test. | | #ifndef __cplusplus | | #error "This is not a C++ compiler" | | #elif __cplusplus < 201103L | | #error "This is not a C++11 compiler" | | #else | | namespace cxx11 | { | | namespace test_static_assert | { | | template | struct check | { | static_assert(sizeof(int) <= sizeof(T), "not big enough"); | }; | | } | | namespace test_final_override | { | | struct Base | { | virtual void f() {} | }; | | struct Derived : public Base | { | virtual void f() override {} | }; | | } | | namespace test_double_right_angle_brackets | { | | template < typename T > | struct check {}; | | typedef check single_type; | typedef check> double_type; | typedef check>> triple_type; | typedef check>>> quadruple_type; | | } | | namespace test_decltype | { | | int | f() | { | int a = 1; | decltype(a) b = 2; | return a + b; | } | | } | | namespace test_type_deduction | { | | template < typename T1, typename T2 > | struct is_same | { | static const bool value = false; | }; | | template < typename T > | struct is_same | { | static const bool value = true; | }; | | template < typename T1, typename T2 > | auto | add(T1 a1, T2 a2) -> decltype(a1 + a2) | { | return a1 + a2; | } | | int | test(const int c, volatile int v) | { | static_assert(is_same::value == true, ""); | static_assert(is_same::value == false, ""); | static_assert(is_same::value == false, ""); | auto ac = c; | auto av = v; | auto sumi = ac + av + 'x'; | auto sumf = ac + av + 1.0; | static_assert(is_same::value == true, ""); | static_assert(is_same::value == true, ""); | static_assert(is_same::value == true, ""); | static_assert(is_same::value == false, ""); | static_assert(is_same::value == true, ""); | return (sumf > 0.0) ? sumi : add(c, v); | } | | } | | namespace test_noexcept | { | | int f() { return 0; } | int g() noexcept { return 0; } | | static_assert(noexcept(f()) == false, ""); | static_assert(noexcept(g()) == true, ""); | | } | | namespace test_constexpr | { | | template < typename CharT > | unsigned long constexpr | strlen_c_r(const CharT *const s, const unsigned long acc) noexcept | { | return *s ? strlen_c_r(s + 1, acc + 1) : acc; | } | | template < typename CharT > | unsigned long constexpr | strlen_c(const CharT *const s) noexcept | { | return strlen_c_r(s, 0UL); | } | | static_assert(strlen_c("") == 0UL, ""); | static_assert(strlen_c("1") == 1UL, ""); | static_assert(strlen_c("example") == 7UL, ""); | static_assert(strlen_c("another\0example") == 7UL, ""); | | } | | namespace test_rvalue_references | { | | template < int N > | struct answer | { | static constexpr int value = N; | }; | | answer<1> f(int&) { return answer<1>(); } | answer<2> f(const int&) { return answer<2>(); } | answer<3> f(int&&) { return answer<3>(); } | | void | test() | { | int i = 0; | const int c = 0; | static_assert(decltype(f(i))::value == 1, ""); | static_assert(decltype(f(c))::value == 2, ""); | static_assert(decltype(f(0))::value == 3, ""); | } | | } | | namespace test_uniform_initialization | { | | struct test | { | static const int zero {}; | static const int one {1}; | }; | | static_assert(test::zero == 0, ""); | static_assert(test::one == 1, ""); | | } | | namespace test_lambdas | { | | void | test1() | { | auto lambda1 = [](){}; | auto lambda2 = lambda1; | lambda1(); | lambda2(); | } | | int | test2() | { | auto a = [](int i, int j){ return i + j; }(1, 2); | auto b = []() -> int { return '0'; }(); | auto c = [=](){ return a + b; }(); | auto d = [&](){ return c; }(); | auto e = [a, &b](int x) mutable { | const auto identity = [](int y){ return y; }; | for (auto i = 0; i < a; ++i) | a += b--; | return x + identity(a + b); | }(0); | return a + b + c + d + e; | } | | int | test3() | { | const auto nullary = [](){ return 0; }; | const auto unary = [](int x){ return x; }; | using nullary_t = decltype(nullary); | using unary_t = decltype(unary); | const auto higher1st = [](nullary_t f){ return f(); }; | const auto higher2nd = [unary](nullary_t f1){ | return [unary, f1](unary_t f2){ return f2(unary(f1())); }; | }; | return higher1st(nullary) + higher2nd(nullary)(unary); | } | | } | | namespace test_variadic_templates | { | | template | struct sum; | | template | struct sum | { | static constexpr auto value = N0 + sum::value; | }; | | template <> | struct sum<> | { | static constexpr auto value = 0; | }; | | static_assert(sum<>::value == 0, ""); | static_assert(sum<1>::value == 1, ""); | static_assert(sum<23>::value == 23, ""); | static_assert(sum<1, 2>::value == 3, ""); | static_assert(sum<5, 5, 11>::value == 21, ""); | static_assert(sum<2, 3, 5, 7, 11, 13>::value == 41, ""); | | } | | // http://stackoverflow.com/questions/13728184/template-aliases-and-sfinae | // Clang 3.1 fails with headers of libstd++ 4.8.3 when using std::function | // because of this. | namespace test_template_alias_sfinae | { | | struct foo {}; | | template | using member = typename T::member_type; | | template | void func(...) {} | | template | void func(member*) {} | | void test(); | | void test() { func(0); } | | } | | } // namespace cxx11 | | #endif // __cplusplus >= 201103L | | | configure:7199: result: no configure:7213: checking whether no supports C++11 features with -std=c++11 configure:7509: no -std=c++11 -c -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -Ofast -g2 -D_FORTIFY_SOURCE=1 conftest.cpp >&5 /home/buildroot/autobuild/instance-2/output-1/build/binutils-arc-2020.09-release/gdbsupport/configure: line 1583: no: command not found configure:7509: $? = 127 configure: failed program was: | /* confdefs.h */ | #define PACKAGE_NAME "gdbsupport" | #define PACKAGE_TARNAME "gdbsupport" | #define PACKAGE_VERSION "1.0" | #define PACKAGE_STRING "gdbsupport 1.0" | #define PACKAGE_BUGREPORT "" | #define PACKAGE_URL "" | #define PACKAGE "gdbsupport" | #define VERSION "1.0" | #define STDC_HEADERS 1 | #define HAVE_SYS_TYPES_H 1 | #define HAVE_SYS_STAT_H 1 | #define HAVE_STDLIB_H 1 | #define HAVE_STRING_H 1 | #define HAVE_MEMORY_H 1 | #define HAVE_STRINGS_H 1 | #define HAVE_INTTYPES_H 1 | #define HAVE_STDINT_H 1 | #define HAVE_UNISTD_H 1 | #define __EXTENSIONS__ 1 | #define _ALL_SOURCE 1 | #define _GNU_SOURCE 1 | #define _POSIX_PTHREAD_SEMANTICS 1 | #define _TANDEM_SOURCE 1 | #define HAVE_DLFCN_H 1 | /* end confdefs.h. */ | | | // If the compiler admits that it is not ready for C++11, why torture it? | // Hopefully, this will speed up the test. | | #ifndef __cplusplus | | #error "This is not a C++ compiler" | | #elif __cplusplus < 201103L | | #error "This is not a C++11 compiler" | | #else | | namespace cxx11 | { | | namespace test_static_assert | { | | template | struct check | { | static_assert(sizeof(int) <= sizeof(T), "not big enough"); | }; | | } | | namespace test_final_override | { | | struct Base | { | virtual void f() {} | }; | | struct Derived : public Base | { | virtual void f() override {} | }; | | } | | namespace test_double_right_angle_brackets | { | | template < typename T > | struct check {}; | | typedef check single_type; | typedef check> double_type; | typedef check>> triple_type; | typedef check>>> quadruple_type; | | } | | namespace test_decltype | { | | int | f() | { | int a = 1; | decltype(a) b = 2; | return a + b; | } | | } | | namespace test_type_deduction | { | | template < typename T1, typename T2 > | struct is_same | { | static const bool value = false; | }; | | template < typename T > | struct is_same | { | static const bool value = true; | }; | | template < typename T1, typename T2 > | auto | add(T1 a1, T2 a2) -> decltype(a1 + a2) | { | return a1 + a2; | } | | int | test(const int c, volatile int v) | { | static_assert(is_same::value == true, ""); | static_assert(is_same::value == false, ""); | static_assert(is_same::value == false, ""); | auto ac = c; | auto av = v; | auto sumi = ac + av + 'x'; | auto sumf = ac + av + 1.0; | static_assert(is_same::value == true, ""); | static_assert(is_same::value == true, ""); | static_assert(is_same::value == true, ""); | static_assert(is_same::value == false, ""); | static_assert(is_same::value == true, ""); | return (sumf > 0.0) ? sumi : add(c, v); | } | | } | | namespace test_noexcept | { | | int f() { return 0; } | int g() noexcept { return 0; } | | static_assert(noexcept(f()) == false, ""); | static_assert(noexcept(g()) == true, ""); | | } | | namespace test_constexpr | { | | template < typename CharT > | unsigned long constexpr | strlen_c_r(const CharT *const s, const unsigned long acc) noexcept | { | return *s ? strlen_c_r(s + 1, acc + 1) : acc; | } | | template < typename CharT > | unsigned long constexpr | strlen_c(const CharT *const s) noexcept | { | return strlen_c_r(s, 0UL); | } | | static_assert(strlen_c("") == 0UL, ""); | static_assert(strlen_c("1") == 1UL, ""); | static_assert(strlen_c("example") == 7UL, ""); | static_assert(strlen_c("another\0example") == 7UL, ""); | | } | | namespace test_rvalue_references | { | | template < int N > | struct answer | { | static constexpr int value = N; | }; | | answer<1> f(int&) { return answer<1>(); } | answer<2> f(const int&) { return answer<2>(); } | answer<3> f(int&&) { return answer<3>(); } | | void | test() | { | int i = 0; | const int c = 0; | static_assert(decltype(f(i))::value == 1, ""); | static_assert(decltype(f(c))::value == 2, ""); | static_assert(decltype(f(0))::value == 3, ""); | } | | } | | namespace test_uniform_initialization | { | | struct test | { | static const int zero {}; | static const int one {1}; | }; | | static_assert(test::zero == 0, ""); | static_assert(test::one == 1, ""); | | } | | namespace test_lambdas | { | | void | test1() | { | auto lambda1 = [](){}; | auto lambda2 = lambda1; | lambda1(); | lambda2(); | } | | int | test2() | { | auto a = [](int i, int j){ return i + j; }(1, 2); | auto b = []() -> int { return '0'; }(); | auto c = [=](){ return a + b; }(); | auto d = [&](){ return c; }(); | auto e = [a, &b](int x) mutable { | const auto identity = [](int y){ return y; }; | for (auto i = 0; i < a; ++i) | a += b--; | return x + identity(a + b); | }(0); | return a + b + c + d + e; | } | | int | test3() | { | const auto nullary = [](){ return 0; }; | const auto unary = [](int x){ return x; }; | using nullary_t = decltype(nullary); | using unary_t = decltype(unary); | const auto higher1st = [](nullary_t f){ return f(); }; | const auto higher2nd = [unary](nullary_t f1){ | return [unary, f1](unary_t f2){ return f2(unary(f1())); }; | }; | return higher1st(nullary) + higher2nd(nullary)(unary); | } | | } | | namespace test_variadic_templates | { | | template | struct sum; | | template | struct sum | { | static constexpr auto value = N0 + sum::value; | }; | | template <> | struct sum<> | { | static constexpr auto value = 0; | }; | | static_assert(sum<>::value == 0, ""); | static_assert(sum<1>::value == 1, ""); | static_assert(sum<23>::value == 23, ""); | static_assert(sum<1, 2>::value == 3, ""); | static_assert(sum<5, 5, 11>::value == 21, ""); | static_assert(sum<2, 3, 5, 7, 11, 13>::value == 41, ""); | | } | | // http://stackoverflow.com/questions/13728184/template-aliases-and-sfinae | // Clang 3.1 fails with headers of libstd++ 4.8.3 when using std::function | // because of this. | namespace test_template_alias_sfinae | { | | struct foo {}; | | template | using member = typename T::member_type; | | template | void func(...) {} | | template | void func(member*) {} | | void test(); | | void test() { func(0); } | | } | | } // namespace cxx11 | | #endif // __cplusplus >= 201103L | | | configure:7518: result: no configure:7213: checking whether no supports C++11 features with +std=c++11 configure:7509: no +std=c++11 -c -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -Ofast -g2 -D_FORTIFY_SOURCE=1 conftest.cpp >&5 /home/buildroot/autobuild/instance-2/output-1/build/binutils-arc-2020.09-release/gdbsupport/configure: line 1583: no: command not found configure:7509: $? = 127 configure: failed program was: | /* confdefs.h */ | #define PACKAGE_NAME "gdbsupport" | #define PACKAGE_TARNAME "gdbsupport" | #define PACKAGE_VERSION "1.0" | #define PACKAGE_STRING "gdbsupport 1.0" | #define PACKAGE_BUGREPORT "" | #define PACKAGE_URL "" | #define PACKAGE "gdbsupport" | #define VERSION "1.0" | #define STDC_HEADERS 1 | #define HAVE_SYS_TYPES_H 1 | #define HAVE_SYS_STAT_H 1 | #define HAVE_STDLIB_H 1 | #define HAVE_STRING_H 1 | #define HAVE_MEMORY_H 1 | #define HAVE_STRINGS_H 1 | #define HAVE_INTTYPES_H 1 | #define HAVE_STDINT_H 1 | #define HAVE_UNISTD_H 1 | #define __EXTENSIONS__ 1 | #define _ALL_SOURCE 1 | #define _GNU_SOURCE 1 | #define _POSIX_PTHREAD_SEMANTICS 1 | #define _TANDEM_SOURCE 1 | #define HAVE_DLFCN_H 1 | /* end confdefs.h. */ | | | // If the compiler admits that it is not ready for C++11, why torture it? | // Hopefully, this will speed up the test. | | #ifndef __cplusplus | | #error "This is not a C++ compiler" | | #elif __cplusplus < 201103L | | #error "This is not a C++11 compiler" | | #else | | namespace cxx11 | { | | namespace test_static_assert | { | | template | struct check | { | static_assert(sizeof(int) <= sizeof(T), "not big enough"); | }; | | } | | namespace test_final_override | { | | struct Base | { | virtual void f() {} | }; | | struct Derived : public Base | { | virtual void f() override {} | }; | | } | | namespace test_double_right_angle_brackets | { | | template < typename T > | struct check {}; | | typedef check single_type; | typedef check> double_type; | typedef check>> triple_type; | typedef check>>> quadruple_type; | | } | | namespace test_decltype | { | | int | f() | { | int a = 1; | decltype(a) b = 2; | return a + b; | } | | } | | namespace test_type_deduction | { | | template < typename T1, typename T2 > | struct is_same | { | static const bool value = false; | }; | | template < typename T > | struct is_same | { | static const bool value = true; | }; | | template < typename T1, typename T2 > | auto | add(T1 a1, T2 a2) -> decltype(a1 + a2) | { | return a1 + a2; | } | | int | test(const int c, volatile int v) | { | static_assert(is_same::value == true, ""); | static_assert(is_same::value == false, ""); | static_assert(is_same::value == false, ""); | auto ac = c; | auto av = v; | auto sumi = ac + av + 'x'; | auto sumf = ac + av + 1.0; | static_assert(is_same::value == true, ""); | static_assert(is_same::value == true, ""); | static_assert(is_same::value == true, ""); | static_assert(is_same::value == false, ""); | static_assert(is_same::value == true, ""); | return (sumf > 0.0) ? sumi : add(c, v); | } | | } | | namespace test_noexcept | { | | int f() { return 0; } | int g() noexcept { return 0; } | | static_assert(noexcept(f()) == false, ""); | static_assert(noexcept(g()) == true, ""); | | } | | namespace test_constexpr | { | | template < typename CharT > | unsigned long constexpr | strlen_c_r(const CharT *const s, const unsigned long acc) noexcept | { | return *s ? strlen_c_r(s + 1, acc + 1) : acc; | } | | template < typename CharT > | unsigned long constexpr | strlen_c(const CharT *const s) noexcept | { | return strlen_c_r(s, 0UL); | } | | static_assert(strlen_c("") == 0UL, ""); | static_assert(strlen_c("1") == 1UL, ""); | static_assert(strlen_c("example") == 7UL, ""); | static_assert(strlen_c("another\0example") == 7UL, ""); | | } | | namespace test_rvalue_references | { | | template < int N > | struct answer | { | static constexpr int value = N; | }; | | answer<1> f(int&) { return answer<1>(); } | answer<2> f(const int&) { return answer<2>(); } | answer<3> f(int&&) { return answer<3>(); } | | void | test() | { | int i = 0; | const int c = 0; | static_assert(decltype(f(i))::value == 1, ""); | static_assert(decltype(f(c))::value == 2, ""); | static_assert(decltype(f(0))::value == 3, ""); | } | | } | | namespace test_uniform_initialization | { | | struct test | { | static const int zero {}; | static const int one {1}; | }; | | static_assert(test::zero == 0, ""); | static_assert(test::one == 1, ""); | | } | | namespace test_lambdas | { | | void | test1() | { | auto lambda1 = [](){}; | auto lambda2 = lambda1; | lambda1(); | lambda2(); | } | | int | test2() | { | auto a = [](int i, int j){ return i + j; }(1, 2); | auto b = []() -> int { return '0'; }(); | auto c = [=](){ return a + b; }(); | auto d = [&](){ return c; }(); | auto e = [a, &b](int x) mutable { | const auto identity = [](int y){ return y; }; | for (auto i = 0; i < a; ++i) | a += b--; | return x + identity(a + b); | }(0); | return a + b + c + d + e; | } | | int | test3() | { | const auto nullary = [](){ return 0; }; | const auto unary = [](int x){ return x; }; | using nullary_t = decltype(nullary); | using unary_t = decltype(unary); | const auto higher1st = [](nullary_t f){ return f(); }; | const auto higher2nd = [unary](nullary_t f1){ | return [unary, f1](unary_t f2){ return f2(unary(f1())); }; | }; | return higher1st(nullary) + higher2nd(nullary)(unary); | } | | } | | namespace test_variadic_templates | { | | template | struct sum; | | template | struct sum | { | static constexpr auto value = N0 + sum::value; | }; | | template <> | struct sum<> | { | static constexpr auto value = 0; | }; | | static_assert(sum<>::value == 0, ""); | static_assert(sum<1>::value == 1, ""); | static_assert(sum<23>::value == 23, ""); | static_assert(sum<1, 2>::value == 3, ""); | static_assert(sum<5, 5, 11>::value == 21, ""); | static_assert(sum<2, 3, 5, 7, 11, 13>::value == 41, ""); | | } | | // http://stackoverflow.com/questions/13728184/template-aliases-and-sfinae | // Clang 3.1 fails with headers of libstd++ 4.8.3 when using std::function | // because of this. | namespace test_template_alias_sfinae | { | | struct foo {}; | | template | using member = typename T::member_type; | | template | void func(...) {} | | template | void func(member*) {} | | void test(); | | void test() { func(0); } | | } | | } // namespace cxx11 | | #endif // __cplusplus >= 201103L | | | configure:7518: result: no configure:7213: checking whether no supports C++11 features with -h std=c++11 configure:7509: no -h std=c++11 -c -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -Ofast -g2 -D_FORTIFY_SOURCE=1 conftest.cpp >&5 /home/buildroot/autobuild/instance-2/output-1/build/binutils-arc-2020.09-release/gdbsupport/configure: line 1583: no: command not found configure:7509: $? = 127 configure: failed program was: | /* confdefs.h */ | #define PACKAGE_NAME "gdbsupport" | #define PACKAGE_TARNAME "gdbsupport" | #define PACKAGE_VERSION "1.0" | #define PACKAGE_STRING "gdbsupport 1.0" | #define PACKAGE_BUGREPORT "" | #define PACKAGE_URL "" | #define PACKAGE "gdbsupport" | #define VERSION "1.0" | #define STDC_HEADERS 1 | #define HAVE_SYS_TYPES_H 1 | #define HAVE_SYS_STAT_H 1 | #define HAVE_STDLIB_H 1 | #define HAVE_STRING_H 1 | #define HAVE_MEMORY_H 1 | #define HAVE_STRINGS_H 1 | #define HAVE_INTTYPES_H 1 | #define HAVE_STDINT_H 1 | #define HAVE_UNISTD_H 1 | #define __EXTENSIONS__ 1 | #define _ALL_SOURCE 1 | #define _GNU_SOURCE 1 | #define _POSIX_PTHREAD_SEMANTICS 1 | #define _TANDEM_SOURCE 1 | #define HAVE_DLFCN_H 1 | /* end confdefs.h. */ | | | // If the compiler admits that it is not ready for C++11, why torture it? | // Hopefully, this will speed up the test. | | #ifndef __cplusplus | | #error "This is not a C++ compiler" | | #elif __cplusplus < 201103L | | #error "This is not a C++11 compiler" | | #else | | namespace cxx11 | { | | namespace test_static_assert | { | | template | struct check | { | static_assert(sizeof(int) <= sizeof(T), "not big enough"); | }; | | } | | namespace test_final_override | { | | struct Base | { | virtual void f() {} | }; | | struct Derived : public Base | { | virtual void f() override {} | }; | | } | | namespace test_double_right_angle_brackets | { | | template < typename T > | struct check {}; | | typedef check single_type; | typedef check> double_type; | typedef check>> triple_type; | typedef check>>> quadruple_type; | | } | | namespace test_decltype | { | | int | f() | { | int a = 1; | decltype(a) b = 2; | return a + b; | } | | } | | namespace test_type_deduction | { | | template < typename T1, typename T2 > | struct is_same | { | static const bool value = false; | }; | | template < typename T > | struct is_same | { | static const bool value = true; | }; | | template < typename T1, typename T2 > | auto | add(T1 a1, T2 a2) -> decltype(a1 + a2) | { | return a1 + a2; | } | | int | test(const int c, volatile int v) | { | static_assert(is_same::value == true, ""); | static_assert(is_same::value == false, ""); | static_assert(is_same::value == false, ""); | auto ac = c; | auto av = v; | auto sumi = ac + av + 'x'; | auto sumf = ac + av + 1.0; | static_assert(is_same::value == true, ""); | static_assert(is_same::value == true, ""); | static_assert(is_same::value == true, ""); | static_assert(is_same::value == false, ""); | static_assert(is_same::value == true, ""); | return (sumf > 0.0) ? sumi : add(c, v); | } | | } | | namespace test_noexcept | { | | int f() { return 0; } | int g() noexcept { return 0; } | | static_assert(noexcept(f()) == false, ""); | static_assert(noexcept(g()) == true, ""); | | } | | namespace test_constexpr | { | | template < typename CharT > | unsigned long constexpr | strlen_c_r(const CharT *const s, const unsigned long acc) noexcept | { | return *s ? strlen_c_r(s + 1, acc + 1) : acc; | } | | template < typename CharT > | unsigned long constexpr | strlen_c(const CharT *const s) noexcept | { | return strlen_c_r(s, 0UL); | } | | static_assert(strlen_c("") == 0UL, ""); | static_assert(strlen_c("1") == 1UL, ""); | static_assert(strlen_c("example") == 7UL, ""); | static_assert(strlen_c("another\0example") == 7UL, ""); | | } | | namespace test_rvalue_references | { | | template < int N > | struct answer | { | static constexpr int value = N; | }; | | answer<1> f(int&) { return answer<1>(); } | answer<2> f(const int&) { return answer<2>(); } | answer<3> f(int&&) { return answer<3>(); } | | void | test() | { | int i = 0; | const int c = 0; | static_assert(decltype(f(i))::value == 1, ""); | static_assert(decltype(f(c))::value == 2, ""); | static_assert(decltype(f(0))::value == 3, ""); | } | | } | | namespace test_uniform_initialization | { | | struct test | { | static const int zero {}; | static const int one {1}; | }; | | static_assert(test::zero == 0, ""); | static_assert(test::one == 1, ""); | | } | | namespace test_lambdas | { | | void | test1() | { | auto lambda1 = [](){}; | auto lambda2 = lambda1; | lambda1(); | lambda2(); | } | | int | test2() | { | auto a = [](int i, int j){ return i + j; }(1, 2); | auto b = []() -> int { return '0'; }(); | auto c = [=](){ return a + b; }(); | auto d = [&](){ return c; }(); | auto e = [a, &b](int x) mutable { | const auto identity = [](int y){ return y; }; | for (auto i = 0; i < a; ++i) | a += b--; | return x + identity(a + b); | }(0); | return a + b + c + d + e; | } | | int | test3() | { | const auto nullary = [](){ return 0; }; | const auto unary = [](int x){ return x; }; | using nullary_t = decltype(nullary); | using unary_t = decltype(unary); | const auto higher1st = [](nullary_t f){ return f(); }; | const auto higher2nd = [unary](nullary_t f1){ | return [unary, f1](unary_t f2){ return f2(unary(f1())); }; | }; | return higher1st(nullary) + higher2nd(nullary)(unary); | } | | } | | namespace test_variadic_templates | { | | template | struct sum; | | template | struct sum | { | static constexpr auto value = N0 + sum::value; | }; | | template <> | struct sum<> | { | static constexpr auto value = 0; | }; | | static_assert(sum<>::value == 0, ""); | static_assert(sum<1>::value == 1, ""); | static_assert(sum<23>::value == 23, ""); | static_assert(sum<1, 2>::value == 3, ""); | static_assert(sum<5, 5, 11>::value == 21, ""); | static_assert(sum<2, 3, 5, 7, 11, 13>::value == 41, ""); | | } | | // http://stackoverflow.com/questions/13728184/template-aliases-and-sfinae | // Clang 3.1 fails with headers of libstd++ 4.8.3 when using std::function | // because of this. | namespace test_template_alias_sfinae | { | | struct foo {}; | | template | using member = typename T::member_type; | | template | void func(...) {} | | template | void func(member*) {} | | void test(); | | void test() { func(0); } | | } | | } // namespace cxx11 | | #endif // __cplusplus >= 201103L | | | configure:7518: result: no configure:7213: checking whether no supports C++11 features with -std=c++0x configure:7509: no -std=c++0x -c -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -Ofast -g2 -D_FORTIFY_SOURCE=1 conftest.cpp >&5 /home/buildroot/autobuild/instance-2/output-1/build/binutils-arc-2020.09-release/gdbsupport/configure: line 1583: no: command not found configure:7509: $? = 127 configure: failed program was: | /* confdefs.h */ | #define PACKAGE_NAME "gdbsupport" | #define PACKAGE_TARNAME "gdbsupport" | #define PACKAGE_VERSION "1.0" | #define PACKAGE_STRING "gdbsupport 1.0" | #define PACKAGE_BUGREPORT "" | #define PACKAGE_URL "" | #define PACKAGE "gdbsupport" | #define VERSION "1.0" | #define STDC_HEADERS 1 | #define HAVE_SYS_TYPES_H 1 | #define HAVE_SYS_STAT_H 1 | #define HAVE_STDLIB_H 1 | #define HAVE_STRING_H 1 | #define HAVE_MEMORY_H 1 | #define HAVE_STRINGS_H 1 | #define HAVE_INTTYPES_H 1 | #define HAVE_STDINT_H 1 | #define HAVE_UNISTD_H 1 | #define __EXTENSIONS__ 1 | #define _ALL_SOURCE 1 | #define _GNU_SOURCE 1 | #define _POSIX_PTHREAD_SEMANTICS 1 | #define _TANDEM_SOURCE 1 | #define HAVE_DLFCN_H 1 | /* end confdefs.h. */ | | | // If the compiler admits that it is not ready for C++11, why torture it? | // Hopefully, this will speed up the test. | | #ifndef __cplusplus | | #error "This is not a C++ compiler" | | #elif __cplusplus < 201103L | | #error "This is not a C++11 compiler" | | #else | | namespace cxx11 | { | | namespace test_static_assert | { | | template | struct check | { | static_assert(sizeof(int) <= sizeof(T), "not big enough"); | }; | | } | | namespace test_final_override | { | | struct Base | { | virtual void f() {} | }; | | struct Derived : public Base | { | virtual void f() override {} | }; | | } | | namespace test_double_right_angle_brackets | { | | template < typename T > | struct check {}; | | typedef check single_type; | typedef check> double_type; | typedef check>> triple_type; | typedef check>>> quadruple_type; | | } | | namespace test_decltype | { | | int | f() | { | int a = 1; | decltype(a) b = 2; | return a + b; | } | | } | | namespace test_type_deduction | { | | template < typename T1, typename T2 > | struct is_same | { | static const bool value = false; | }; | | template < typename T > | struct is_same | { | static const bool value = true; | }; | | template < typename T1, typename T2 > | auto | add(T1 a1, T2 a2) -> decltype(a1 + a2) | { | return a1 + a2; | } | | int | test(const int c, volatile int v) | { | static_assert(is_same::value == true, ""); | static_assert(is_same::value == false, ""); | static_assert(is_same::value == false, ""); | auto ac = c; | auto av = v; | auto sumi = ac + av + 'x'; | auto sumf = ac + av + 1.0; | static_assert(is_same::value == true, ""); | static_assert(is_same::value == true, ""); | static_assert(is_same::value == true, ""); | static_assert(is_same::value == false, ""); | static_assert(is_same::value == true, ""); | return (sumf > 0.0) ? sumi : add(c, v); | } | | } | | namespace test_noexcept | { | | int f() { return 0; } | int g() noexcept { return 0; } | | static_assert(noexcept(f()) == false, ""); | static_assert(noexcept(g()) == true, ""); | | } | | namespace test_constexpr | { | | template < typename CharT > | unsigned long constexpr | strlen_c_r(const CharT *const s, const unsigned long acc) noexcept | { | return *s ? strlen_c_r(s + 1, acc + 1) : acc; | } | | template < typename CharT > | unsigned long constexpr | strlen_c(const CharT *const s) noexcept | { | return strlen_c_r(s, 0UL); | } | | static_assert(strlen_c("") == 0UL, ""); | static_assert(strlen_c("1") == 1UL, ""); | static_assert(strlen_c("example") == 7UL, ""); | static_assert(strlen_c("another\0example") == 7UL, ""); | | } | | namespace test_rvalue_references | { | | template < int N > | struct answer | { | static constexpr int value = N; | }; | | answer<1> f(int&) { return answer<1>(); } | answer<2> f(const int&) { return answer<2>(); } | answer<3> f(int&&) { return answer<3>(); } | | void | test() | { | int i = 0; | const int c = 0; | static_assert(decltype(f(i))::value == 1, ""); | static_assert(decltype(f(c))::value == 2, ""); | static_assert(decltype(f(0))::value == 3, ""); | } | | } | | namespace test_uniform_initialization | { | | struct test | { | static const int zero {}; | static const int one {1}; | }; | | static_assert(test::zero == 0, ""); | static_assert(test::one == 1, ""); | | } | | namespace test_lambdas | { | | void | test1() | { | auto lambda1 = [](){}; | auto lambda2 = lambda1; | lambda1(); | lambda2(); | } | | int | test2() | { | auto a = [](int i, int j){ return i + j; }(1, 2); | auto b = []() -> int { return '0'; }(); | auto c = [=](){ return a + b; }(); | auto d = [&](){ return c; }(); | auto e = [a, &b](int x) mutable { | const auto identity = [](int y){ return y; }; | for (auto i = 0; i < a; ++i) | a += b--; | return x + identity(a + b); | }(0); | return a + b + c + d + e; | } | | int | test3() | { | const auto nullary = [](){ return 0; }; | const auto unary = [](int x){ return x; }; | using nullary_t = decltype(nullary); | using unary_t = decltype(unary); | const auto higher1st = [](nullary_t f){ return f(); }; | const auto higher2nd = [unary](nullary_t f1){ | return [unary, f1](unary_t f2){ return f2(unary(f1())); }; | }; | return higher1st(nullary) + higher2nd(nullary)(unary); | } | | } | | namespace test_variadic_templates | { | | template | struct sum; | | template | struct sum | { | static constexpr auto value = N0 + sum::value; | }; | | template <> | struct sum<> | { | static constexpr auto value = 0; | }; | | static_assert(sum<>::value == 0, ""); | static_assert(sum<1>::value == 1, ""); | static_assert(sum<23>::value == 23, ""); | static_assert(sum<1, 2>::value == 3, ""); | static_assert(sum<5, 5, 11>::value == 21, ""); | static_assert(sum<2, 3, 5, 7, 11, 13>::value == 41, ""); | | } | | // http://stackoverflow.com/questions/13728184/template-aliases-and-sfinae | // Clang 3.1 fails with headers of libstd++ 4.8.3 when using std::function | // because of this. | namespace test_template_alias_sfinae | { | | struct foo {}; | | template | using member = typename T::member_type; | | template | void func(...) {} | | template | void func(member*) {} | | void test(); | | void test() { func(0); } | | } | | } // namespace cxx11 | | #endif // __cplusplus >= 201103L | | | configure:7518: result: no configure:7213: checking whether no supports C++11 features with +std=c++0x configure:7509: no +std=c++0x -c -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -Ofast -g2 -D_FORTIFY_SOURCE=1 conftest.cpp >&5 /home/buildroot/autobuild/instance-2/output-1/build/binutils-arc-2020.09-release/gdbsupport/configure: line 1583: no: command not found configure:7509: $? = 127 configure: failed program was: | /* confdefs.h */ | #define PACKAGE_NAME "gdbsupport" | #define PACKAGE_TARNAME "gdbsupport" | #define PACKAGE_VERSION "1.0" | #define PACKAGE_STRING "gdbsupport 1.0" | #define PACKAGE_BUGREPORT "" | #define PACKAGE_URL "" | #define PACKAGE "gdbsupport" | #define VERSION "1.0" | #define STDC_HEADERS 1 | #define HAVE_SYS_TYPES_H 1 | #define HAVE_SYS_STAT_H 1 | #define HAVE_STDLIB_H 1 | #define HAVE_STRING_H 1 | #define HAVE_MEMORY_H 1 | #define HAVE_STRINGS_H 1 | #define HAVE_INTTYPES_H 1 | #define HAVE_STDINT_H 1 | #define HAVE_UNISTD_H 1 | #define __EXTENSIONS__ 1 | #define _ALL_SOURCE 1 | #define _GNU_SOURCE 1 | #define _POSIX_PTHREAD_SEMANTICS 1 | #define _TANDEM_SOURCE 1 | #define HAVE_DLFCN_H 1 | /* end confdefs.h. */ | | | // If the compiler admits that it is not ready for C++11, why torture it? | // Hopefully, this will speed up the test. | | #ifndef __cplusplus | | #error "This is not a C++ compiler" | | #elif __cplusplus < 201103L | | #error "This is not a C++11 compiler" | | #else | | namespace cxx11 | { | | namespace test_static_assert | { | | template | struct check | { | static_assert(sizeof(int) <= sizeof(T), "not big enough"); | }; | | } | | namespace test_final_override | { | | struct Base | { | virtual void f() {} | }; | | struct Derived : public Base | { | virtual void f() override {} | }; | | } | | namespace test_double_right_angle_brackets | { | | template < typename T > | struct check {}; | | typedef check single_type; | typedef check> double_type; | typedef check>> triple_type; | typedef check>>> quadruple_type; | | } | | namespace test_decltype | { | | int | f() | { | int a = 1; | decltype(a) b = 2; | return a + b; | } | | } | | namespace test_type_deduction | { | | template < typename T1, typename T2 > | struct is_same | { | static const bool value = false; | }; | | template < typename T > | struct is_same | { | static const bool value = true; | }; | | template < typename T1, typename T2 > | auto | add(T1 a1, T2 a2) -> decltype(a1 + a2) | { | return a1 + a2; | } | | int | test(const int c, volatile int v) | { | static_assert(is_same::value == true, ""); | static_assert(is_same::value == false, ""); | static_assert(is_same::value == false, ""); | auto ac = c; | auto av = v; | auto sumi = ac + av + 'x'; | auto sumf = ac + av + 1.0; | static_assert(is_same::value == true, ""); | static_assert(is_same::value == true, ""); | static_assert(is_same::value == true, ""); | static_assert(is_same::value == false, ""); | static_assert(is_same::value == true, ""); | return (sumf > 0.0) ? sumi : add(c, v); | } | | } | | namespace test_noexcept | { | | int f() { return 0; } | int g() noexcept { return 0; } | | static_assert(noexcept(f()) == false, ""); | static_assert(noexcept(g()) == true, ""); | | } | | namespace test_constexpr | { | | template < typename CharT > | unsigned long constexpr | strlen_c_r(const CharT *const s, const unsigned long acc) noexcept | { | return *s ? strlen_c_r(s + 1, acc + 1) : acc; | } | | template < typename CharT > | unsigned long constexpr | strlen_c(const CharT *const s) noexcept | { | return strlen_c_r(s, 0UL); | } | | static_assert(strlen_c("") == 0UL, ""); | static_assert(strlen_c("1") == 1UL, ""); | static_assert(strlen_c("example") == 7UL, ""); | static_assert(strlen_c("another\0example") == 7UL, ""); | | } | | namespace test_rvalue_references | { | | template < int N > | struct answer | { | static constexpr int value = N; | }; | | answer<1> f(int&) { return answer<1>(); } | answer<2> f(const int&) { return answer<2>(); } | answer<3> f(int&&) { return answer<3>(); } | | void | test() | { | int i = 0; | const int c = 0; | static_assert(decltype(f(i))::value == 1, ""); | static_assert(decltype(f(c))::value == 2, ""); | static_assert(decltype(f(0))::value == 3, ""); | } | | } | | namespace test_uniform_initialization | { | | struct test | { | static const int zero {}; | static const int one {1}; | }; | | static_assert(test::zero == 0, ""); | static_assert(test::one == 1, ""); | | } | | namespace test_lambdas | { | | void | test1() | { | auto lambda1 = [](){}; | auto lambda2 = lambda1; | lambda1(); | lambda2(); | } | | int | test2() | { | auto a = [](int i, int j){ return i + j; }(1, 2); | auto b = []() -> int { return '0'; }(); | auto c = [=](){ return a + b; }(); | auto d = [&](){ return c; }(); | auto e = [a, &b](int x) mutable { | const auto identity = [](int y){ return y; }; | for (auto i = 0; i < a; ++i) | a += b--; | return x + identity(a + b); | }(0); | return a + b + c + d + e; | } | | int | test3() | { | const auto nullary = [](){ return 0; }; | const auto unary = [](int x){ return x; }; | using nullary_t = decltype(nullary); | using unary_t = decltype(unary); | const auto higher1st = [](nullary_t f){ return f(); }; | const auto higher2nd = [unary](nullary_t f1){ | return [unary, f1](unary_t f2){ return f2(unary(f1())); }; | }; | return higher1st(nullary) + higher2nd(nullary)(unary); | } | | } | | namespace test_variadic_templates | { | | template | struct sum; | | template | struct sum | { | static constexpr auto value = N0 + sum::value; | }; | | template <> | struct sum<> | { | static constexpr auto value = 0; | }; | | static_assert(sum<>::value == 0, ""); | static_assert(sum<1>::value == 1, ""); | static_assert(sum<23>::value == 23, ""); | static_assert(sum<1, 2>::value == 3, ""); | static_assert(sum<5, 5, 11>::value == 21, ""); | static_assert(sum<2, 3, 5, 7, 11, 13>::value == 41, ""); | | } | | // http://stackoverflow.com/questions/13728184/template-aliases-and-sfinae | // Clang 3.1 fails with headers of libstd++ 4.8.3 when using std::function | // because of this. | namespace test_template_alias_sfinae | { | | struct foo {}; | | template | using member = typename T::member_type; | | template | void func(...) {} | | template | void func(member*) {} | | void test(); | | void test() { func(0); } | | } | | } // namespace cxx11 | | #endif // __cplusplus >= 201103L | | | configure:7518: result: no configure:7213: checking whether no supports C++11 features with -h std=c++0x configure:7509: no -h std=c++0x -c -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -Ofast -g2 -D_FORTIFY_SOURCE=1 conftest.cpp >&5 /home/buildroot/autobuild/instance-2/output-1/build/binutils-arc-2020.09-release/gdbsupport/configure: line 1583: no: command not found configure:7509: $? = 127 configure: failed program was: | /* confdefs.h */ | #define PACKAGE_NAME "gdbsupport" | #define PACKAGE_TARNAME "gdbsupport" | #define PACKAGE_VERSION "1.0" | #define PACKAGE_STRING "gdbsupport 1.0" | #define PACKAGE_BUGREPORT "" | #define PACKAGE_URL "" | #define PACKAGE "gdbsupport" | #define VERSION "1.0" | #define STDC_HEADERS 1 | #define HAVE_SYS_TYPES_H 1 | #define HAVE_SYS_STAT_H 1 | #define HAVE_STDLIB_H 1 | #define HAVE_STRING_H 1 | #define HAVE_MEMORY_H 1 | #define HAVE_STRINGS_H 1 | #define HAVE_INTTYPES_H 1 | #define HAVE_STDINT_H 1 | #define HAVE_UNISTD_H 1 | #define __EXTENSIONS__ 1 | #define _ALL_SOURCE 1 | #define _GNU_SOURCE 1 | #define _POSIX_PTHREAD_SEMANTICS 1 | #define _TANDEM_SOURCE 1 | #define HAVE_DLFCN_H 1 | /* end confdefs.h. */ | | | // If the compiler admits that it is not ready for C++11, why torture it? | // Hopefully, this will speed up the test. | | #ifndef __cplusplus | | #error "This is not a C++ compiler" | | #elif __cplusplus < 201103L | | #error "This is not a C++11 compiler" | | #else | | namespace cxx11 | { | | namespace test_static_assert | { | | template | struct check | { | static_assert(sizeof(int) <= sizeof(T), "not big enough"); | }; | | } | | namespace test_final_override | { | | struct Base | { | virtual void f() {} | }; | | struct Derived : public Base | { | virtual void f() override {} | }; | | } | | namespace test_double_right_angle_brackets | { | | template < typename T > | struct check {}; | | typedef check single_type; | typedef check> double_type; | typedef check>> triple_type; | typedef check>>> quadruple_type; | | } | | namespace test_decltype | { | | int | f() | { | int a = 1; | decltype(a) b = 2; | return a + b; | } | | } | | namespace test_type_deduction | { | | template < typename T1, typename T2 > | struct is_same | { | static const bool value = false; | }; | | template < typename T > | struct is_same | { | static const bool value = true; | }; | | template < typename T1, typename T2 > | auto | add(T1 a1, T2 a2) -> decltype(a1 + a2) | { | return a1 + a2; | } | | int | test(const int c, volatile int v) | { | static_assert(is_same::value == true, ""); | static_assert(is_same::value == false, ""); | static_assert(is_same::value == false, ""); | auto ac = c; | auto av = v; | auto sumi = ac + av + 'x'; | auto sumf = ac + av + 1.0; | static_assert(is_same::value == true, ""); | static_assert(is_same::value == true, ""); | static_assert(is_same::value == true, ""); | static_assert(is_same::value == false, ""); | static_assert(is_same::value == true, ""); | return (sumf > 0.0) ? sumi : add(c, v); | } | | } | | namespace test_noexcept | { | | int f() { return 0; } | int g() noexcept { return 0; } | | static_assert(noexcept(f()) == false, ""); | static_assert(noexcept(g()) == true, ""); | | } | | namespace test_constexpr | { | | template < typename CharT > | unsigned long constexpr | strlen_c_r(const CharT *const s, const unsigned long acc) noexcept | { | return *s ? strlen_c_r(s + 1, acc + 1) : acc; | } | | template < typename CharT > | unsigned long constexpr | strlen_c(const CharT *const s) noexcept | { | return strlen_c_r(s, 0UL); | } | | static_assert(strlen_c("") == 0UL, ""); | static_assert(strlen_c("1") == 1UL, ""); | static_assert(strlen_c("example") == 7UL, ""); | static_assert(strlen_c("another\0example") == 7UL, ""); | | } | | namespace test_rvalue_references | { | | template < int N > | struct answer | { | static constexpr int value = N; | }; | | answer<1> f(int&) { return answer<1>(); } | answer<2> f(const int&) { return answer<2>(); } | answer<3> f(int&&) { return answer<3>(); } | | void | test() | { | int i = 0; | const int c = 0; | static_assert(decltype(f(i))::value == 1, ""); | static_assert(decltype(f(c))::value == 2, ""); | static_assert(decltype(f(0))::value == 3, ""); | } | | } | | namespace test_uniform_initialization | { | | struct test | { | static const int zero {}; | static const int one {1}; | }; | | static_assert(test::zero == 0, ""); | static_assert(test::one == 1, ""); | | } | | namespace test_lambdas | { | | void | test1() | { | auto lambda1 = [](){}; | auto lambda2 = lambda1; | lambda1(); | lambda2(); | } | | int | test2() | { | auto a = [](int i, int j){ return i + j; }(1, 2); | auto b = []() -> int { return '0'; }(); | auto c = [=](){ return a + b; }(); | auto d = [&](){ return c; }(); | auto e = [a, &b](int x) mutable { | const auto identity = [](int y){ return y; }; | for (auto i = 0; i < a; ++i) | a += b--; | return x + identity(a + b); | }(0); | return a + b + c + d + e; | } | | int | test3() | { | const auto nullary = [](){ return 0; }; | const auto unary = [](int x){ return x; }; | using nullary_t = decltype(nullary); | using unary_t = decltype(unary); | const auto higher1st = [](nullary_t f){ return f(); }; | const auto higher2nd = [unary](nullary_t f1){ | return [unary, f1](unary_t f2){ return f2(unary(f1())); }; | }; | return higher1st(nullary) + higher2nd(nullary)(unary); | } | | } | | namespace test_variadic_templates | { | | template | struct sum; | | template | struct sum | { | static constexpr auto value = N0 + sum::value; | }; | | template <> | struct sum<> | { | static constexpr auto value = 0; | }; | | static_assert(sum<>::value == 0, ""); | static_assert(sum<1>::value == 1, ""); | static_assert(sum<23>::value == 23, ""); | static_assert(sum<1, 2>::value == 3, ""); | static_assert(sum<5, 5, 11>::value == 21, ""); | static_assert(sum<2, 3, 5, 7, 11, 13>::value == 41, ""); | | } | | // http://stackoverflow.com/questions/13728184/template-aliases-and-sfinae | // Clang 3.1 fails with headers of libstd++ 4.8.3 when using std::function | // because of this. | namespace test_template_alias_sfinae | { | | struct foo {}; | | template | using member = typename T::member_type; | | template | void func(...) {} | | template | void func(member*) {} | | void test(); | | void test() { func(0); } | | } | | } // namespace cxx11 | | #endif // __cplusplus >= 201103L | | | configure:7518: result: no configure:7539: error: *** A compiler with support for C++11 language features is required. ## ---------------- ## ## Cache variables. ## ## ---------------- ## ac_cv_build=x86_64-pc-linux-gnu ac_cv_c_bigendian=yes ac_cv_c_compiler_gnu=yes 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