This file contains any messages produced by compilers while running configure, to aid debugging if configure makes a mistake. It was created by configure, which was generated by GNU Autoconf 2.69. Invocation command line was $ /home/buildroot/autobuild/instance-3/output-1/build/binutils-arc-2020.09-release/gdbserver/configure --srcdir=.././gdbserver --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 --disable-static --enable-shared --disable-multilib --disable-werror --enable-install-libiberty --enable-build-warnings=no --with-system-zlib --disable-gprofng --disable-sim --disable-gdb --without-zstd --program-transform-name=s&^&& --disable-option-checking --build=x86_64-pc-linux-gnu --host=arc-buildroot-linux-gnu --target=arc-buildroot-linux-gnu ## --------- ## ## Platform. ## ## --------- ## hostname = br-autobuild-1.osuosl.org uname -m = x86_64 uname -r = 6.0.11-300.fc37.x86_64 uname -s = Linux uname -v = #1 SMP PREEMPT_DYNAMIC Fri Dec 2 20:47:45 UTC 2022 /usr/bin/uname -p = x86_64 /bin/uname -X = unknown /bin/arch = x86_64 /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-3/output-1/host/bin PATH: /home/buildroot/autobuild/instance-3/output-1/host/sbin PATH: /usr/local/sbin PATH: /usr/local/bin PATH: /usr/sbin PATH: /usr/bin ## ----------- ## ## Core tests. ## ## ----------- ## configure:2637: creating cache ./config.cache configure:2720: checking whether to enable maintainer-specific portions of Makefiles configure:2729: result: no configure:2751: checking for arc-buildroot-linux-gnu-gcc configure:2778: result: /home/buildroot/autobuild/instance-3/output-1/host/bin/arc-buildroot-linux-gnu-gcc configure:3047: checking for C compiler version configure:3056: /home/buildroot/autobuild/instance-3/output-1/host/bin/arc-buildroot-linux-gnu-gcc --version >&5 arc-buildroot-linux-gnu-gcc.br_real (Buildroot 2023.05-764-g837ab4708c) 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:3067: $? = 0 configure:3056: /home/buildroot/autobuild/instance-3/output-1/host/bin/arc-buildroot-linux-gnu-gcc -v >&5 Using built-in specs. COLLECT_GCC=/home/buildroot/autobuild/instance-3/output-1/host/bin/arc-buildroot-linux-gnu-gcc.br_real COLLECT_LTO_WRAPPER=/home/buildroot/autobuild/instance-3/output-1/host/libexec/gcc/arc-buildroot-linux-gnu/10.2.0/lto-wrapper Target: arc-buildroot-linux-gnu Configured with: ./configure --prefix=/home/buildroot/autobuild/instance-3/output-1/host --sysconfdir=/home/buildroot/autobuild/instance-3/output-1/host/etc --enable-static --target=arc-buildroot-linux-gnu --with-sysroot=/home/buildroot/autobuild/instance-3/output-1/host/arc-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-3/output-1/host --with-mpc=/home/buildroot/autobuild/instance-3/output-1/host --with-mpfr=/home/buildroot/autobuild/instance-3/output-1/host --with-pkgversion='Buildroot 2023.05-764-g837ab4708c' --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-3/output-1/host/arc-buildroot-linux-gnu/bin --enable-shared --disable-libgomp Thread model: posix Supported LTO compression algorithms: zlib gcc version 10.2.0 (Buildroot 2023.05-764-g837ab4708c) COMPILER_PATH=/home/buildroot/autobuild/instance-3/output-1/host/libexec/gcc/arc-buildroot-linux-gnu/10.2.0/:/home/buildroot/autobuild/instance-3/output-1/host/libexec/gcc/arc-buildroot-linux-gnu/10.2.0/:/home/buildroot/autobuild/instance-3/output-1/host/libexec/gcc/arc-buildroot-linux-gnu/:/home/buildroot/autobuild/instance-3/output-1/host/lib/gcc/arc-buildroot-linux-gnu/10.2.0/:/home/buildroot/autobuild/instance-3/output-1/host/lib/gcc/arc-buildroot-linux-gnu/:/home/buildroot/autobuild/instance-3/output-1/host/lib/gcc/arc-buildroot-linux-gnu/10.2.0/../../../../arc-buildroot-linux-gnu/bin/ LIBRARY_PATH=/home/buildroot/autobuild/instance-3/output-1/host/lib/gcc/arc-buildroot-linux-gnu/10.2.0/:/home/buildroot/autobuild/instance-3/output-1/host/lib/gcc/arc-buildroot-linux-gnu/10.2.0/../../../../arc-buildroot-linux-gnu/lib/:/home/buildroot/autobuild/instance-3/output-1/host/arc-buildroot-linux-gnu/sysroot/lib/:/home/buildroot/autobuild/instance-3/output-1/host/arc-buildroot-linux-gnu/sysroot/usr/lib/ ... rest of stderr output deleted ... configure:3067: $? = 1 configure:3056: /home/buildroot/autobuild/instance-3/output-1/host/bin/arc-buildroot-linux-gnu-gcc -V >&5 arc-buildroot-linux-gnu-gcc.br_real: error: unrecognized command-line option '-V' configure:3067: $? = 1 configure:3056: /home/buildroot/autobuild/instance-3/output-1/host/bin/arc-buildroot-linux-gnu-gcc -qversion >&5 arc-buildroot-linux-gnu-gcc.br_real: error: unrecognized command-line option '-qversion'; did you mean '--version'? configure:3067: $? = 1 configure:3087: checking whether the C compiler works configure:3109: /home/buildroot/autobuild/instance-3/output-1/host/bin/arc-buildroot-linux-gnu-gcc -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -O1 -g0 -D_FORTIFY_SOURCE=1 conftest.c >&5 configure:3113: $? = 0 configure:3161: result: yes configure:3164: checking for C compiler default output file name configure:3166: result: a.out configure:3172: checking for suffix of executables configure:3179: /home/buildroot/autobuild/instance-3/output-1/host/bin/arc-buildroot-linux-gnu-gcc -o conftest -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -O1 -g0 -D_FORTIFY_SOURCE=1 conftest.c >&5 configure:3183: $? = 0 configure:3205: result: configure:3227: checking whether we are cross compiling configure:3265: result: yes configure:3270: checking for suffix of object files configure:3292: /home/buildroot/autobuild/instance-3/output-1/host/bin/arc-buildroot-linux-gnu-gcc -c -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -O1 -g0 -D_FORTIFY_SOURCE=1 conftest.c >&5 configure:3296: $? = 0 configure:3317: result: o configure:3321: checking whether we are using the GNU C compiler configure:3340: /home/buildroot/autobuild/instance-3/output-1/host/bin/arc-buildroot-linux-gnu-gcc -c -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -O1 -g0 -D_FORTIFY_SOURCE=1 conftest.c >&5 configure:3340: $? = 0 configure:3349: result: yes configure:3358: checking whether /home/buildroot/autobuild/instance-3/output-1/host/bin/arc-buildroot-linux-gnu-gcc accepts -g configure:3378: /home/buildroot/autobuild/instance-3/output-1/host/bin/arc-buildroot-linux-gnu-gcc -c -g conftest.c >&5 configure:3378: $? = 0 configure:3419: result: yes configure:3436: checking for /home/buildroot/autobuild/instance-3/output-1/host/bin/arc-buildroot-linux-gnu-gcc option to accept ISO C89 configure:3499: /home/buildroot/autobuild/instance-3/output-1/host/bin/arc-buildroot-linux-gnu-gcc -c -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -O1 -g0 -D_FORTIFY_SOURCE=1 conftest.c >&5 configure:3499: $? = 0 configure:3512: result: none needed configure:3644: checking for C++ compiler version configure:3653: no --version >&5 /home/buildroot/autobuild/instance-3/output-1/build/binutils-arc-2020.09-release/gdbserver/configure: line 3655: no: command not found configure:3664: $? = 127 configure:3653: no -v >&5 /home/buildroot/autobuild/instance-3/output-1/build/binutils-arc-2020.09-release/gdbserver/configure: line 3655: no: command not found configure:3664: $? = 127 configure:3653: no -V >&5 /home/buildroot/autobuild/instance-3/output-1/build/binutils-arc-2020.09-release/gdbserver/configure: line 3655: no: command not found configure:3664: $? = 127 configure:3653: no -qversion >&5 /home/buildroot/autobuild/instance-3/output-1/build/binutils-arc-2020.09-release/gdbserver/configure: line 3655: no: command not found configure:3664: $? = 127 configure:3668: checking whether we are using the GNU C++ compiler configure:3687: no -c -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -O1 -g0 -D_FORTIFY_SOURCE=1 conftest.cpp >&5 /home/buildroot/autobuild/instance-3/output-1/build/binutils-arc-2020.09-release/gdbserver/configure: line 1572: no: command not found configure:3687: $? = 127 configure: failed program was: | /* confdefs.h */ | #define PACKAGE_NAME "" | #define PACKAGE_TARNAME "" | #define PACKAGE_VERSION "" | #define PACKAGE_STRING "" | #define PACKAGE_BUGREPORT "" | #define PACKAGE_URL "" | /* end confdefs.h. */ | | int | main () | { | #ifndef __GNUC__ | choke me | #endif | | ; | return 0; | } configure:3696: result: no configure:3705: checking whether no accepts -g configure:3725: no -c -g conftest.cpp >&5 /home/buildroot/autobuild/instance-3/output-1/build/binutils-arc-2020.09-release/gdbserver/configure: line 1572: no: command not found configure:3725: $? = 127 configure: failed program was: | /* confdefs.h */ | #define PACKAGE_NAME "" | #define PACKAGE_TARNAME "" | #define PACKAGE_VERSION "" | #define PACKAGE_STRING "" | #define PACKAGE_BUGREPORT "" | #define PACKAGE_URL "" | /* end confdefs.h. */ | | int | main () | { | | ; | return 0; | } configure:3740: no -c conftest.cpp >&5 /home/buildroot/autobuild/instance-3/output-1/build/binutils-arc-2020.09-release/gdbserver/configure: line 1572: no: command not found configure:3740: $? = 127 configure: failed program was: | /* confdefs.h */ | #define PACKAGE_NAME "" | #define PACKAGE_TARNAME "" | #define PACKAGE_VERSION "" | #define PACKAGE_STRING "" | #define PACKAGE_BUGREPORT "" | #define PACKAGE_URL "" | /* end confdefs.h. */ | | int | main () | { | | ; | return 0; | } configure:3756: no -c -g conftest.cpp >&5 /home/buildroot/autobuild/instance-3/output-1/build/binutils-arc-2020.09-release/gdbserver/configure: line 1572: no: command not found configure:3756: $? = 127 configure: failed program was: | /* confdefs.h */ | #define PACKAGE_NAME "" | #define PACKAGE_TARNAME "" | #define PACKAGE_VERSION "" | #define PACKAGE_STRING "" | #define PACKAGE_BUGREPORT "" | #define PACKAGE_URL "" | /* end confdefs.h. */ | | int | main () | { | | ; | return 0; | } configure:3766: result: no configure:3795: checking how to run the C preprocessor configure:3826: /home/buildroot/autobuild/instance-3/output-1/host/bin/arc-buildroot-linux-gnu-gcc -E conftest.c configure:3826: $? = 0 configure:3840: /home/buildroot/autobuild/instance-3/output-1/host/bin/arc-buildroot-linux-gnu-gcc -E conftest.c conftest.c:9:10: fatal error: ac_nonexistent.h: No such file or directory 9 | #include | ^~~~~~~~~~~~~~~~~~ compilation terminated. configure:3840: $? = 1 configure: failed program was: | /* confdefs.h */ | #define PACKAGE_NAME "" | #define PACKAGE_TARNAME "" | #define PACKAGE_VERSION "" | #define PACKAGE_STRING "" | #define PACKAGE_BUGREPORT "" | #define PACKAGE_URL "" | /* end confdefs.h. */ | #include configure:3865: result: /home/buildroot/autobuild/instance-3/output-1/host/bin/arc-buildroot-linux-gnu-gcc -E configure:3885: /home/buildroot/autobuild/instance-3/output-1/host/bin/arc-buildroot-linux-gnu-gcc -E conftest.c configure:3885: $? = 0 configure:3899: /home/buildroot/autobuild/instance-3/output-1/host/bin/arc-buildroot-linux-gnu-gcc -E conftest.c conftest.c:9:10: fatal error: ac_nonexistent.h: No such file or directory 9 | #include | ^~~~~~~~~~~~~~~~~~ compilation terminated. configure:3899: $? = 1 configure: failed program was: | /* confdefs.h */ | #define PACKAGE_NAME "" | #define PACKAGE_TARNAME "" | #define PACKAGE_VERSION "" | #define PACKAGE_STRING "" | #define PACKAGE_BUGREPORT "" | #define PACKAGE_URL "" | /* end confdefs.h. */ | #include configure:3928: checking for grep that handles long lines and -e configure:3986: result: /usr/bin/grep configure:3991: checking for egrep configure:4053: result: /usr/bin/grep -E configure:4058: checking for ANSI C header files configure:4078: /home/buildroot/autobuild/instance-3/output-1/host/bin/arc-buildroot-linux-gnu-gcc -c -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -O1 -g0 -D_FORTIFY_SOURCE=1 conftest.c >&5 configure:4078: $? = 0 configure:4162: result: yes configure:4175: checking for sys/types.h configure:4175: /home/buildroot/autobuild/instance-3/output-1/host/bin/arc-buildroot-linux-gnu-gcc -c -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -O1 -g0 -D_FORTIFY_SOURCE=1 conftest.c >&5 configure:4175: $? = 0 configure:4175: result: yes configure:4175: checking for sys/stat.h configure:4175: /home/buildroot/autobuild/instance-3/output-1/host/bin/arc-buildroot-linux-gnu-gcc -c -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -O1 -g0 -D_FORTIFY_SOURCE=1 conftest.c >&5 configure:4175: $? = 0 configure:4175: result: yes configure:4175: checking for stdlib.h configure:4175: /home/buildroot/autobuild/instance-3/output-1/host/bin/arc-buildroot-linux-gnu-gcc -c -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -O1 -g0 -D_FORTIFY_SOURCE=1 conftest.c >&5 configure:4175: $? = 0 configure:4175: result: yes configure:4175: checking for string.h configure:4175: /home/buildroot/autobuild/instance-3/output-1/host/bin/arc-buildroot-linux-gnu-gcc -c -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -O1 -g0 -D_FORTIFY_SOURCE=1 conftest.c >&5 configure:4175: $? = 0 configure:4175: result: yes configure:4175: checking for memory.h configure:4175: /home/buildroot/autobuild/instance-3/output-1/host/bin/arc-buildroot-linux-gnu-gcc -c -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -O1 -g0 -D_FORTIFY_SOURCE=1 conftest.c >&5 configure:4175: $? = 0 configure:4175: result: yes configure:4175: checking for strings.h configure:4175: /home/buildroot/autobuild/instance-3/output-1/host/bin/arc-buildroot-linux-gnu-gcc -c -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -O1 -g0 -D_FORTIFY_SOURCE=1 conftest.c >&5 configure:4175: $? = 0 configure:4175: result: yes configure:4175: checking for inttypes.h configure:4175: /home/buildroot/autobuild/instance-3/output-1/host/bin/arc-buildroot-linux-gnu-gcc -c -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -O1 -g0 -D_FORTIFY_SOURCE=1 conftest.c >&5 configure:4175: $? = 0 configure:4175: result: yes configure:4175: checking for stdint.h configure:4175: /home/buildroot/autobuild/instance-3/output-1/host/bin/arc-buildroot-linux-gnu-gcc -c -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -O1 -g0 -D_FORTIFY_SOURCE=1 conftest.c >&5 configure:4175: $? = 0 configure:4175: result: yes configure:4175: checking for unistd.h configure:4175: /home/buildroot/autobuild/instance-3/output-1/host/bin/arc-buildroot-linux-gnu-gcc -c -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -O1 -g0 -D_FORTIFY_SOURCE=1 conftest.c >&5 configure:4175: $? = 0 configure:4175: result: yes configure:4188: checking minix/config.h usability configure:4188: /home/buildroot/autobuild/instance-3/output-1/host/bin/arc-buildroot-linux-gnu-gcc -c -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -O1 -g0 -D_FORTIFY_SOURCE=1 conftest.c >&5 conftest.c:52:10: fatal error: minix/config.h: No such file or directory 52 | #include | ^~~~~~~~~~~~~~~~ compilation terminated. configure:4188: $? = 1 configure: failed program was: | /* confdefs.h */ | #define PACKAGE_NAME "" | #define PACKAGE_TARNAME "" | #define PACKAGE_VERSION "" | #define PACKAGE_STRING "" | #define PACKAGE_BUGREPORT "" | #define PACKAGE_URL "" | #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:4188: result: no configure:4188: checking minix/config.h presence configure:4188: /home/buildroot/autobuild/instance-3/output-1/host/bin/arc-buildroot-linux-gnu-gcc -E conftest.c conftest.c:19:10: fatal error: minix/config.h: No such file or directory 19 | #include | ^~~~~~~~~~~~~~~~ compilation terminated. configure:4188: $? = 1 configure: failed program was: | /* confdefs.h */ | #define PACKAGE_NAME "" | #define PACKAGE_TARNAME "" | #define PACKAGE_VERSION "" | #define PACKAGE_STRING "" | #define PACKAGE_BUGREPORT "" | #define PACKAGE_URL "" | #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:4188: result: no configure:4188: checking for minix/config.h configure:4188: result: no configure:4209: checking whether it is safe to define __EXTENSIONS__ configure:4227: /home/buildroot/autobuild/instance-3/output-1/host/bin/arc-buildroot-linux-gnu-gcc -c -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -O1 -g0 -D_FORTIFY_SOURCE=1 conftest.c >&5 configure:4227: $? = 0 configure:4234: result: yes configure:4256: checking for special C compiler options needed for large files configure:4301: result: no configure:4307: checking for _FILE_OFFSET_BITS value needed for large files configure:4332: /home/buildroot/autobuild/instance-3/output-1/host/bin/arc-buildroot-linux-gnu-gcc -c -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -O1 -g0 -D_FORTIFY_SOURCE=1 conftest.c >&5 configure:4332: $? = 0 configure:4364: result: no configure:4498: checking for arc-buildroot-linux-gnu-strip configure:4514: found /home/buildroot/autobuild/instance-3/output-1/host/bin/arc-buildroot-linux-gnu-strip configure:4525: result: arc-buildroot-linux-gnu-strip configure:4595: checking build system type configure:4609: result: x86_64-pc-linux-gnu configure:4629: checking host system type configure:4642: result: arc-buildroot-linux-gnu configure:4662: checking target system type configure:4675: result: arc-buildroot-linux-gnu configure:4717: checking for a BSD-compatible install configure:4785: result: /usr/bin/install -c configure:4799: checking for arc-buildroot-linux-gnu-ar configure:4826: result: /home/buildroot/autobuild/instance-3/output-1/host/bin/arc-buildroot-linux-gnu-gcc-ar configure:4891: checking for arc-buildroot-linux-gnu-ranlib configure:4918: result: /home/buildroot/autobuild/instance-3/output-1/host/bin/arc-buildroot-linux-gnu-gcc-ranlib configure:5003: checking whether no supports C++11 features by default configure:5297: no -c -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -O1 -g0 -D_FORTIFY_SOURCE=1 conftest.cpp >&5 /home/buildroot/autobuild/instance-3/output-1/build/binutils-arc-2020.09-release/gdbserver/configure: line 1572: no: command not found configure:5297: $? = 127 configure: failed program was: | /* confdefs.h */ | #define PACKAGE_NAME "" | #define PACKAGE_TARNAME "" | #define PACKAGE_VERSION "" | #define PACKAGE_STRING "" | #define PACKAGE_BUGREPORT "" | #define PACKAGE_URL "" | #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 | /* 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:5304: result: no configure:5314: checking whether no supports C++11 features with -std=gnu++11 configure:5610: no -std=gnu++11 -c -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -O1 -g0 -D_FORTIFY_SOURCE=1 conftest.cpp >&5 /home/buildroot/autobuild/instance-3/output-1/build/binutils-arc-2020.09-release/gdbserver/configure: line 1572: no: command not found configure:5610: $? = 127 configure: failed program was: | /* confdefs.h */ | #define PACKAGE_NAME "" | #define PACKAGE_TARNAME "" | #define PACKAGE_VERSION "" | #define PACKAGE_STRING "" | #define PACKAGE_BUGREPORT "" | #define PACKAGE_URL "" | #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 | /* 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:5619: result: no configure:5314: checking whether no supports C++11 features with -std=gnu++0x configure:5610: no -std=gnu++0x -c -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -O1 -g0 -D_FORTIFY_SOURCE=1 conftest.cpp >&5 /home/buildroot/autobuild/instance-3/output-1/build/binutils-arc-2020.09-release/gdbserver/configure: line 1572: no: command not found configure:5610: $? = 127 configure: failed program was: | /* confdefs.h */ | #define PACKAGE_NAME "" | #define PACKAGE_TARNAME "" | #define PACKAGE_VERSION "" | #define PACKAGE_STRING "" | #define PACKAGE_BUGREPORT "" | #define PACKAGE_URL "" | #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 | /* 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:5619: result: no configure:5633: checking whether no supports C++11 features with -std=c++11 configure:5929: no -std=c++11 -c -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -O1 -g0 -D_FORTIFY_SOURCE=1 conftest.cpp >&5 /home/buildroot/autobuild/instance-3/output-1/build/binutils-arc-2020.09-release/gdbserver/configure: line 1572: no: command not found configure:5929: $? = 127 configure: failed program was: | /* confdefs.h */ | #define PACKAGE_NAME "" | #define PACKAGE_TARNAME "" | #define PACKAGE_VERSION "" | #define PACKAGE_STRING "" | #define PACKAGE_BUGREPORT "" | #define PACKAGE_URL "" | #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 | /* 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:5938: result: no configure:5633: checking whether no supports C++11 features with +std=c++11 configure:5929: no +std=c++11 -c -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -O1 -g0 -D_FORTIFY_SOURCE=1 conftest.cpp >&5 /home/buildroot/autobuild/instance-3/output-1/build/binutils-arc-2020.09-release/gdbserver/configure: line 1572: no: command not found configure:5929: $? = 127 configure: failed program was: | /* confdefs.h */ | #define PACKAGE_NAME "" | #define PACKAGE_TARNAME "" | #define PACKAGE_VERSION "" | #define PACKAGE_STRING "" | #define PACKAGE_BUGREPORT "" | #define PACKAGE_URL "" | #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 | /* 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:5938: result: no configure:5633: checking whether no supports C++11 features with -h std=c++11 configure:5929: no -h std=c++11 -c -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -O1 -g0 -D_FORTIFY_SOURCE=1 conftest.cpp >&5 /home/buildroot/autobuild/instance-3/output-1/build/binutils-arc-2020.09-release/gdbserver/configure: line 1572: no: command not found configure:5929: $? = 127 configure: failed program was: | /* confdefs.h */ | #define PACKAGE_NAME "" | #define PACKAGE_TARNAME "" | #define PACKAGE_VERSION "" | #define PACKAGE_STRING "" | #define PACKAGE_BUGREPORT "" | #define PACKAGE_URL "" | #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 | /* 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:5938: result: no configure:5633: checking whether no supports C++11 features with -std=c++0x configure:5929: no -std=c++0x -c -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -O1 -g0 -D_FORTIFY_SOURCE=1 conftest.cpp >&5 /home/buildroot/autobuild/instance-3/output-1/build/binutils-arc-2020.09-release/gdbserver/configure: line 1572: no: command not found configure:5929: $? = 127 configure: failed program was: | /* confdefs.h */ | #define PACKAGE_NAME "" | #define PACKAGE_TARNAME "" | #define PACKAGE_VERSION "" | #define PACKAGE_STRING "" | #define PACKAGE_BUGREPORT "" | #define PACKAGE_URL "" | #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 | /* 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:5938: result: no configure:5633: checking whether no supports C++11 features with +std=c++0x configure:5929: no +std=c++0x -c -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -O1 -g0 -D_FORTIFY_SOURCE=1 conftest.cpp >&5 /home/buildroot/autobuild/instance-3/output-1/build/binutils-arc-2020.09-release/gdbserver/configure: line 1572: no: command not found configure:5929: $? = 127 configure: failed program was: | /* confdefs.h */ | #define PACKAGE_NAME "" | #define PACKAGE_TARNAME "" | #define PACKAGE_VERSION "" | #define PACKAGE_STRING "" | #define PACKAGE_BUGREPORT "" | #define PACKAGE_URL "" | #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 | /* 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:5938: result: no configure:5633: checking whether no supports C++11 features with -h std=c++0x configure:5929: no -h std=c++0x -c -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -O1 -g0 -D_FORTIFY_SOURCE=1 conftest.cpp >&5 /home/buildroot/autobuild/instance-3/output-1/build/binutils-arc-2020.09-release/gdbserver/configure: line 1572: no: command not found configure:5929: $? = 127 configure: failed program was: | /* confdefs.h */ | #define PACKAGE_NAME "" | #define PACKAGE_TARNAME "" | #define PACKAGE_VERSION "" | #define PACKAGE_STRING "" | #define PACKAGE_BUGREPORT "" | #define PACKAGE_URL "" | #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 | /* 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:5938: result: no configure:5959: 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=no ac_cv_c_compiler_gnu=yes ac_cv_cxx_compiler_gnu=no ac_cv_env_CCC_set= ac_cv_env_CCC_value= ac_cv_env_CC_set=set 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