>>> libserial v1.0.0 Extracting gzip -d -c /usr/lfs/v0/rc-buildroot-test/scripts/instance-2/dl/libserial/libserial-v1.0.0.tar.gz | /usr/lfs/v0/rc-buildroot-test/scripts/instance-2/output/host/bin/tar --strip-components=1 -C /usr/lfs/v0/rc-buildroot-test/scripts/instance-2/output/build/libserial-v1.0.0 -xf - >>> libserial v1.0.0 Patching Applying 0001-SerialPort.cpp-fix-build-when-size_t-is-an-unsigned-.patch using patch: patching file src/SerialPort.cpp >>> libserial v1.0.0 Updating config.sub and config.guess for file in config.guess config.sub; do for i in $(find /usr/lfs/v0/rc-buildroot-test/scripts/instance-2/output/build/libserial-v1.0.0 -name $file); do cp support/gnuconfig/$file $i; done; done >>> libserial v1.0.0 Configuring >>> libserial v1.0.0 Autoreconfiguring libtoolize: putting auxiliary files in '.'. libtoolize: copying file './ltmain.sh' libtoolize: putting macros in AC_CONFIG_MACRO_DIRS, 'm4'. libtoolize: copying file 'm4/libtool.m4' libtoolize: copying file 'm4/ltoptions.m4' libtoolize: copying file 'm4/ltsugar.m4' libtoolize: copying file 'm4/ltversion.m4' libtoolize: copying file 'm4/lt~obsolete.m4' configure.ac:17: installing './compile' configure.ac:20: installing './config.guess' configure.ac:20: installing './config.sub' configure.ac:12: installing './install-sh' configure.ac:12: installing './missing' Makefile.am: installing './COPYING' using GNU General Public License v3 file Makefile.am: Consider adding the COPYING file to the version control system Makefile.am: for your code, to avoid questions about which license your project uses examples/Makefile.am: installing './depcomp' >>> libserial v1.0.0 Patching libtool patching file /usr/lfs/v0/rc-buildroot-test/scripts/instance-2/output/build/libserial-v1.0.0/ltmain.sh Hunk #1 succeeded at 2694 (offset 7 lines). Hunk #2 succeeded at 4284 (offset 7 lines). Hunk #3 succeeded at 6579 (offset 25 lines). Hunk #4 succeeded at 6589 (offset 25 lines). Hunk #5 succeeded at 6882 (offset 25 lines). Hunk #6 succeeded at 7174 (offset 25 lines). Hunk #7 succeeded at 8140 (offset 28 lines). Hunk #8 succeeded at 10769 (offset 59 lines). (cd /usr/lfs/v0/rc-buildroot-test/scripts/instance-2/output/build/libserial-v1.0.0/ && rm -rf config.cache && PATH="/usr/lfs/v0/rc-buildroot-test/scripts/instance-2/output/host/bin:/usr/lfs/v0/rc-buildroot-test/scripts/instance-2/output/host/sbin:/accts/mlweber1/bin:/accts/mlweber1/libexec/git-core:/accts/mlweber1/usr/bin:/accts/mlweber1/usr/local/bin:/usr/bin:/bin" AR="/usr/lfs/v0/rc-buildroot-test/scripts/instance-2/output/host/bin/sparc64-linux-ar" AS="/usr/lfs/v0/rc-buildroot-test/scripts/instance-2/output/host/bin/sparc64-linux-as" LD="/usr/lfs/v0/rc-buildroot-test/scripts/instance-2/output/host/bin/sparc64-linux-ld" NM="/usr/lfs/v0/rc-buildroot-test/scripts/instance-2/output/host/bin/sparc64-linux-nm" CC="/usr/lfs/v0/rc-buildroot-test/scripts/instance-2/output/host/bin/sparc64-linux-gcc" GCC="/usr/lfs/v0/rc-buildroot-test/scripts/instance-2/output/host/bin/sparc64-linux-gcc" CPP="/usr/lfs/v0/rc-buildroot-test/scripts/instance-2/output/host/bin/sparc64-linux-cpp" CXX="/usr/lfs/v0/rc-buildroot-test/scripts/instance-2/output/host/bin/sparc64-linux-g++" FC="/usr/lfs/v0/rc-buildroot-test/scripts/instance-2/output/host/bin/sparc64-linux-gfortran" F77="/usr/lfs/v0/rc-buildroot-test/scripts/instance-2/output/host/bin/sparc64-linux-gfortran" RANLIB="/usr/lfs/v0/rc-buildroot-test/scripts/instance-2/output/host/bin/sparc64-linux-ranlib" READELF="/usr/lfs/v0/rc-buildroot-test/scripts/instance-2/output/host/bin/sparc64-linux-readelf" STRIP="/usr/lfs/v0/rc-buildroot-test/scripts/instance-2/output/host/bin/sparc64-linux-strip" OBJCOPY="/usr/lfs/v0/rc-buildroot-test/scripts/instance-2/output/host/bin/sparc64-linux-objcopy" OBJDUMP="/usr/lfs/v0/rc-buildroot-test/scripts/instance-2/output/host/bin/sparc64-linux-objdump" AR_FOR_BUILD="/usr/bin/ar" AS_FOR_BUILD="/usr/bin/as" CC_FOR_BUILD="/usr/bin/gcc" GCC_FOR_BUILD="/usr/bin/gcc" CXX_FOR_BUILD="/usr/bin/g++" LD_FOR_BUILD="/usr/bin/ld" CPPFLAGS_FOR_BUILD="-I/usr/lfs/v0/rc-buildroot-test/scripts/instance-2/output/host/include" CFLAGS_FOR_BUILD="-O2 -I/usr/lfs/v0/rc-buildroot-test/scripts/instance-2/output/host/include" CXXFLAGS_FOR_BUILD="-O2 -I/usr/lfs/v0/rc-buildroot-test/scripts/instance-2/output/host/include" LDFLAGS_FOR_BUILD="-L/usr/lfs/v0/rc-buildroot-test/scripts/instance-2/output/host/lib -Wl,-rpath,/usr/lfs/v0/rc-buildroot-test/scripts/instance-2/output/host/lib" FCFLAGS_FOR_BUILD="" DEFAULT_ASSEMBLER="/usr/lfs/v0/rc-buildroot-test/scripts/instance-2/output/host/bin/sparc64-linux-as" DEFAULT_LINKER="/usr/lfs/v0/rc-buildroot-test/scripts/instance-2/output/host/bin/sparc64-linux-ld" CPPFLAGS="-D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64" CFLAGS="-D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -Os " CXXFLAGS="-D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -Os " LDFLAGS="" FCFLAGS=" -Os " FFLAGS=" -Os " PKG_CONFIG="/usr/lfs/v0/rc-buildroot-test/scripts/instance-2/output/host/bin/pkg-config" STAGING_DIR="/usr/lfs/v0/rc-buildroot-test/scripts/instance-2/output/host/sparc64-buildroot-linux-gnu/sysroot" INTLTOOL_PERL=/usr/bin/perl ac_cv_lbl_unaligned_fail=yes ac_cv_func_mmap_fixed_mapped=yes ac_cv_func_memcmp_working=yes ac_cv_have_decl_malloc=yes gl_cv_func_malloc_0_nonnull=yes ac_cv_func_malloc_0_nonnull=yes ac_cv_func_calloc_0_nonnull=yes ac_cv_func_realloc_0_nonnull=yes lt_cv_sys_lib_search_path_spec="" ac_cv_c_bigendian=yes ac_cv_prog_DOCBOOK2PDF=no CONFIG_SITE=/dev/null ./configure --target=sparc64-buildroot-linux-gnu --host=sparc64-buildroot-linux-gnu --build=x86_64-pc-linux-gnu --prefix=/usr --exec-prefix=/usr --sysconfdir=/etc --localstatedir=/var --program-prefix="" --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-tests --without-python ) configure: WARNING: unrecognized options: --disable-gtk-doc, --disable-gtk-doc-html, --disable-doc, --disable-docs, --disable-documentation, --with-xmlto, --with-fop, --enable-ipv6, --disable-nls checking for a BSD-compatible install... /usr/bin/install -c checking whether build environment is sane... yes checking for sparc64-buildroot-linux-gnu-strip... /usr/lfs/v0/rc-buildroot-test/scripts/instance-2/output/host/bin/sparc64-linux-strip checking for a thread-safe mkdir -p... /usr/bin/mkdir -p checking for gawk... gawk checking whether make sets $(MAKE)... yes checking whether make supports nested variables... yes checking whether to enable maintainer-specific portions of Makefiles... no checking for gawk... (cached) gawk checking for sparc64-buildroot-linux-gnu-gcc... /usr/lfs/v0/rc-buildroot-test/scripts/instance-2/output/host/bin/sparc64-linux-gcc checking whether the C compiler works... yes checking for C compiler default output file name... a.out checking for suffix of executables... checking whether we are cross compiling... yes checking for suffix of object files... o checking whether we are using the GNU C compiler... yes checking whether /usr/lfs/v0/rc-buildroot-test/scripts/instance-2/output/host/bin/sparc64-linux-gcc accepts -g... yes checking for /usr/lfs/v0/rc-buildroot-test/scripts/instance-2/output/host/bin/sparc64-linux-gcc option to accept ISO C89... none needed checking whether /usr/lfs/v0/rc-buildroot-test/scripts/instance-2/output/host/bin/sparc64-linux-gcc understands -c and -o together... yes checking for style of include used by make... GNU checking dependency style of /usr/lfs/v0/rc-buildroot-test/scripts/instance-2/output/host/bin/sparc64-linux-gcc... none checking whether we are using the GNU C++ compiler... yes checking whether /usr/lfs/v0/rc-buildroot-test/scripts/instance-2/output/host/bin/sparc64-linux-g++ accepts -g... yes checking dependency style of /usr/lfs/v0/rc-buildroot-test/scripts/instance-2/output/host/bin/sparc64-linux-g++... none checking build system type... x86_64-pc-linux-gnu checking host system type... sparc64-buildroot-linux-gnu checking how to print strings... printf checking for a sed that does not truncate output... /usr/bin/sed checking for grep that handles long lines and -e... /usr/bin/grep checking for egrep... /usr/bin/grep -E checking for fgrep... /usr/bin/grep -F checking for ld used by /usr/lfs/v0/rc-buildroot-test/scripts/instance-2/output/host/bin/sparc64-linux-gcc... /usr/lfs/v0/rc-buildroot-test/scripts/instance-2/output/host/bin/sparc64-linux-ld checking if the linker (/usr/lfs/v0/rc-buildroot-test/scripts/instance-2/output/host/bin/sparc64-linux-ld) is GNU ld... yes checking for BSD- or MS-compatible name lister (nm)... /usr/lfs/v0/rc-buildroot-test/scripts/instance-2/output/host/bin/sparc64-linux-nm checking the name lister (/usr/lfs/v0/rc-buildroot-test/scripts/instance-2/output/host/bin/sparc64-linux-nm) interface... BSD nm checking whether ln -s works... yes checking the maximum length of command line arguments... 1572864 checking how to convert x86_64-pc-linux-gnu file names to sparc64-buildroot-linux-gnu format... func_convert_file_noop checking how to convert x86_64-pc-linux-gnu file names to toolchain format... func_convert_file_noop checking for /usr/lfs/v0/rc-buildroot-test/scripts/instance-2/output/host/bin/sparc64-linux-ld option to reload object files... -r checking for sparc64-buildroot-linux-gnu-objdump... /usr/lfs/v0/rc-buildroot-test/scripts/instance-2/output/host/bin/sparc64-linux-objdump checking how to recognize dependent libraries... pass_all checking for sparc64-buildroot-linux-gnu-dlltool... no checking for dlltool... no checking how to associate runtime and link libraries... printf %s\n checking for sparc64-buildroot-linux-gnu-ar... /usr/lfs/v0/rc-buildroot-test/scripts/instance-2/output/host/bin/sparc64-linux-ar checking for archiver @FILE support... @ checking for sparc64-buildroot-linux-gnu-strip... (cached) /usr/lfs/v0/rc-buildroot-test/scripts/instance-2/output/host/bin/sparc64-linux-strip checking for sparc64-buildroot-linux-gnu-ranlib... /usr/lfs/v0/rc-buildroot-test/scripts/instance-2/output/host/bin/sparc64-linux-ranlib checking command to parse /usr/lfs/v0/rc-buildroot-test/scripts/instance-2/output/host/bin/sparc64-linux-nm output from /usr/lfs/v0/rc-buildroot-test/scripts/instance-2/output/host/bin/sparc64-linux-gcc object... ok checking for sysroot... no checking for a working dd... /usr/bin/dd checking how to truncate binary pipes... /usr/bin/dd bs=4096 count=1 checking for sparc64-buildroot-linux-gnu-mt... no checking for mt... no checking if : is a manifest tool... no checking how to run the C preprocessor... /usr/lfs/v0/rc-buildroot-test/scripts/instance-2/output/host/bin/sparc64-linux-cpp checking for ANSI C header files... yes checking for sys/types.h... yes checking for sys/stat.h... yes checking for stdlib.h... yes checking for string.h... yes checking for memory.h... yes checking for strings.h... yes checking for inttypes.h... yes checking for stdint.h... yes checking for unistd.h... yes checking for dlfcn.h... yes checking for objdir... .libs checking if /usr/lfs/v0/rc-buildroot-test/scripts/instance-2/output/host/bin/sparc64-linux-gcc supports -fno-rtti -fno-exceptions... no checking for /usr/lfs/v0/rc-buildroot-test/scripts/instance-2/output/host/bin/sparc64-linux-gcc option to produce PIC... -fPIC -DPIC checking if /usr/lfs/v0/rc-buildroot-test/scripts/instance-2/output/host/bin/sparc64-linux-gcc PIC flag -fPIC -DPIC works... yes checking if /usr/lfs/v0/rc-buildroot-test/scripts/instance-2/output/host/bin/sparc64-linux-gcc static flag -static works... yes checking if /usr/lfs/v0/rc-buildroot-test/scripts/instance-2/output/host/bin/sparc64-linux-gcc supports -c -o file.o... yes checking if /usr/lfs/v0/rc-buildroot-test/scripts/instance-2/output/host/bin/sparc64-linux-gcc supports -c -o file.o... (cached) yes checking whether the /usr/lfs/v0/rc-buildroot-test/scripts/instance-2/output/host/bin/sparc64-linux-gcc linker (/usr/lfs/v0/rc-buildroot-test/scripts/instance-2/output/host/bin/sparc64-linux-ld -m elf64_sparc) supports shared libraries... yes checking whether -lc should be explicitly linked in... no checking dynamic linker characteristics... GNU/Linux ld.so checking how to hardcode library paths into programs... immediate checking whether stripping libraries is possible... yes checking if libtool supports shared libraries... yes checking whether to build shared libraries... yes checking whether to build static libraries... no checking how to run the C++ preprocessor... /usr/lfs/v0/rc-buildroot-test/scripts/instance-2/output/host/bin/sparc64-linux-g++ -E checking for ld used by /usr/lfs/v0/rc-buildroot-test/scripts/instance-2/output/host/bin/sparc64-linux-g++... /usr/lfs/v0/rc-buildroot-test/scripts/instance-2/output/host/bin/sparc64-linux-ld -m elf64_sparc checking if the linker (/usr/lfs/v0/rc-buildroot-test/scripts/instance-2/output/host/bin/sparc64-linux-ld -m elf64_sparc) is GNU ld... yes checking whether the /usr/lfs/v0/rc-buildroot-test/scripts/instance-2/output/host/bin/sparc64-linux-g++ linker (/usr/lfs/v0/rc-buildroot-test/scripts/instance-2/output/host/bin/sparc64-linux-ld -m elf64_sparc) supports shared libraries... yes checking for /usr/lfs/v0/rc-buildroot-test/scripts/instance-2/output/host/bin/sparc64-linux-g++ option to produce PIC... -fPIC -DPIC checking if /usr/lfs/v0/rc-buildroot-test/scripts/instance-2/output/host/bin/sparc64-linux-g++ PIC flag -fPIC -DPIC works... yes checking if /usr/lfs/v0/rc-buildroot-test/scripts/instance-2/output/host/bin/sparc64-linux-g++ static flag -static works... yes checking if /usr/lfs/v0/rc-buildroot-test/scripts/instance-2/output/host/bin/sparc64-linux-g++ supports -c -o file.o... yes checking if /usr/lfs/v0/rc-buildroot-test/scripts/instance-2/output/host/bin/sparc64-linux-g++ supports -c -o file.o... (cached) yes checking whether the /usr/lfs/v0/rc-buildroot-test/scripts/instance-2/output/host/bin/sparc64-linux-g++ linker (/usr/lfs/v0/rc-buildroot-test/scripts/instance-2/output/host/bin/sparc64-linux-ld -m elf64_sparc) supports shared libraries... yes checking dynamic linker characteristics... (cached) GNU/Linux ld.so checking how to hardcode library paths into programs... immediate checking whether ln -s works... yes checking whether make sets $(MAKE)... (cached) yes checking whether /usr/lfs/v0/rc-buildroot-test/scripts/instance-2/output/host/bin/sparc64-linux-g++ supports C++14 features with -std=c++14... yes checking for docbook2pdf... (cached) no configure: WARNING: Could not find docbook2pdf. Disabling creation of user manual. checking fcntl.h usability... yes checking fcntl.h presence... yes checking for fcntl.h... yes checking for unistd.h... (cached) yes checking for an ANSI C-conforming const... yes checking for inline... inline checking that generated files are newer than configure... done configure: creating ./config.status config.status: creating Makefile config.status: creating doxygen.conf config.status: creating libserial.spec config.status: creating docs/UML/Makefile config.status: creating docs/Makefile config.status: creating examples/Makefile config.status: creating sip/configure.py config.status: creating sip/Makefile config.status: creating src/Makefile config.status: creating src/libserial/Makefile config.status: creating test/Makefile config.status: creating libserial.pc config.status: creating config.h config.status: executing depfiles commands config.status: executing libtool commands configure: WARNING: unrecognized options: --disable-gtk-doc, --disable-gtk-doc-html, --disable-doc, --disable-docs, --disable-documentation, --with-xmlto, --with-fop, --enable-ipv6, --disable-nls >>> libserial v1.0.0 Building PATH="/usr/lfs/v0/rc-buildroot-test/scripts/instance-2/output/host/bin:/usr/lfs/v0/rc-buildroot-test/scripts/instance-2/output/host/sbin:/accts/mlweber1/bin:/accts/mlweber1/libexec/git-core:/accts/mlweber1/usr/bin:/accts/mlweber1/usr/local/bin:/usr/bin:/bin" /usr/bin/make -j8 -C /usr/lfs/v0/rc-buildroot-test/scripts/instance-2/output/build/libserial-v1.0.0/ make[1]: Entering directory `/usr/lfs/v0/rc-buildroot-test/scripts/instance-2/output/build/libserial-v1.0.0' /usr/bin/make all-recursive make[2]: Entering directory `/usr/lfs/v0/rc-buildroot-test/scripts/instance-2/output/build/libserial-v1.0.0' Making all in src make[3]: Entering directory `/usr/lfs/v0/rc-buildroot-test/scripts/instance-2/output/build/libserial-v1.0.0/src' Making all in libserial make[4]: Entering directory `/usr/lfs/v0/rc-buildroot-test/scripts/instance-2/output/build/libserial-v1.0.0/src/libserial' make[4]: Nothing to be done for `all'. make[4]: Leaving directory `/usr/lfs/v0/rc-buildroot-test/scripts/instance-2/output/build/libserial-v1.0.0/src/libserial' make[4]: Entering directory `/usr/lfs/v0/rc-buildroot-test/scripts/instance-2/output/build/libserial-v1.0.0/src' /bin/sh ../libtool --tag=CXX --mode=compile /usr/lfs/v0/rc-buildroot-test/scripts/instance-2/output/host/bin/sparc64-linux-g++ -std=c++14 -DHAVE_CONFIG_H -I. -I.. -I../src -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -Weffc++ -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -Os -c -o SerialPort.lo SerialPort.cpp /bin/sh ../libtool --tag=CXX --mode=compile /usr/lfs/v0/rc-buildroot-test/scripts/instance-2/output/host/bin/sparc64-linux-g++ -std=c++14 -DHAVE_CONFIG_H -I. -I.. -I../src -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -Weffc++ -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -Os -c -o SerialStream.lo SerialStream.cpp /bin/sh ../libtool --tag=CXX --mode=compile /usr/lfs/v0/rc-buildroot-test/scripts/instance-2/output/host/bin/sparc64-linux-g++ -std=c++14 -DHAVE_CONFIG_H -I. -I.. -I../src -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -Weffc++ -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -Os -c -o SerialStreamBuf.lo SerialStreamBuf.cpp libtool: compile: /usr/lfs/v0/rc-buildroot-test/scripts/instance-2/output/host/bin/sparc64-linux-g++ -std=c++14 -DHAVE_CONFIG_H -I. -I.. -I../src -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -Weffc++ -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -Os -c SerialStreamBuf.cpp -fPIC -DPIC -o .libs/SerialStreamBuf.o libtool: compile: /usr/lfs/v0/rc-buildroot-test/scripts/instance-2/output/host/bin/sparc64-linux-g++ -std=c++14 -DHAVE_CONFIG_H -I. -I.. -I../src -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -Weffc++ -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -Os -c SerialPort.cpp -fPIC -DPIC -o .libs/SerialPort.o libtool: compile: /usr/lfs/v0/rc-buildroot-test/scripts/instance-2/output/host/bin/sparc64-linux-g++ -std=c++14 -DHAVE_CONFIG_H -I. -I.. -I../src -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -Weffc++ -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -Os -c SerialStream.cpp -fPIC -DPIC -o .libs/SerialStream.o In file included from libserial/SerialStream.h:36:0, from SerialStream.cpp:33: ./libserial/SerialPortConstants.h:129:68: warning: 'maybe_unused' attribute directive ignored [-Wattributes] explicit NotOpen(const std::string& whatArg [[maybe_unused]]) ^ ./libserial/SerialPortConstants.h:144:72: warning: 'maybe_unused' attribute directive ignored [-Wattributes] explicit AlreadyOpen(const std::string& whatArg [[maybe_unused]]) ^ ./libserial/SerialPortConstants.h:159:71: warning: 'maybe_unused' attribute directive ignored [-Wattributes] explicit OpenFailed(const std::string& whatArg [[maybe_unused]]) ^ ./libserial/SerialPortConstants.h:176:72: warning: 'maybe_unused' attribute directive ignored [-Wattributes] explicit ReadTimeout(const std::string& whatArg [[maybe_unused]]) ^ In file included from libserial/SerialPort.h:36:0, from SerialPort.cpp:34: ./libserial/SerialPortConstants.h:129:68: warning: 'maybe_unused' attribute directive ignored [-Wattributes] explicit NotOpen(const std::string& whatArg [[maybe_unused]]) ^ ./libserial/SerialPortConstants.h:144:72: warning: 'maybe_unused' attribute directive ignored [-Wattributes] explicit AlreadyOpen(const std::string& whatArg [[maybe_unused]]) ^ ./libserial/SerialPortConstants.h:159:71: warning: 'maybe_unused' attribute directive ignored [-Wattributes] explicit OpenFailed(const std::string& whatArg [[maybe_unused]]) ^ ./libserial/SerialPortConstants.h:176:72: warning: 'maybe_unused' attribute directive ignored [-Wattributes] explicit ReadTimeout(const std::string& whatArg [[maybe_unused]]) ^ In file included from libserial/SerialStreamBuf.h:36:0, from SerialStreamBuf.cpp:34: ./libserial/SerialPortConstants.h:129:68: warning: 'maybe_unused' attribute directive ignored [-Wattributes] explicit NotOpen(const std::string& whatArg [[maybe_unused]]) ^ ./libserial/SerialPortConstants.h:144:72: warning: 'maybe_unused' attribute directive ignored [-Wattributes] explicit AlreadyOpen(const std::string& whatArg [[maybe_unused]]) ^ ./libserial/SerialPortConstants.h:159:71: warning: 'maybe_unused' attribute directive ignored [-Wattributes] explicit OpenFailed(const std::string& whatArg [[maybe_unused]]) ^ ./libserial/SerialPortConstants.h:176:72: warning: 'maybe_unused' attribute directive ignored [-Wattributes] explicit ReadTimeout(const std::string& whatArg [[maybe_unused]]) ^ SerialPort.cpp: In member function 'int LibSerial::SerialPort::Implementation::GetBitRate(const LibSerial::BaudRate&) const': SerialPort.cpp:1226:14: error: 'BAUD_2000000' is not a member of 'LibSerial::BaudRate' case BaudRate::BAUD_2000000: ^~~~~~~~ SerialPort.cpp:1230:14: error: 'BAUD_2500000' is not a member of 'LibSerial::BaudRate' case BaudRate::BAUD_2500000: ^~~~~~~~ SerialPort.cpp:1234:14: error: 'BAUD_3000000' is not a member of 'LibSerial::BaudRate' case BaudRate::BAUD_3000000: ^~~~~~~~ SerialPort.cpp:1238:14: error: 'BAUD_3500000' is not a member of 'LibSerial::BaudRate' case BaudRate::BAUD_3500000: ^~~~~~~~ SerialPort.cpp:1242:14: error: 'BAUD_4000000' is not a member of 'LibSerial::BaudRate' case BaudRate::BAUD_4000000: ^~~~~~~~ make[4]: *** [SerialPort.lo] Error 1 make[4]: *** Waiting for unfinished jobs.... make[4]: Leaving directory `/usr/lfs/v0/rc-buildroot-test/scripts/instance-2/output/build/libserial-v1.0.0/src' make[3]: *** [all-recursive] Error 1 make[3]: Leaving directory `/usr/lfs/v0/rc-buildroot-test/scripts/instance-2/output/build/libserial-v1.0.0/src' make[2]: *** [all-recursive] Error 1 make[2]: Leaving directory `/usr/lfs/v0/rc-buildroot-test/scripts/instance-2/output/build/libserial-v1.0.0' make[1]: *** [all] Error 2 make[1]: Leaving directory `/usr/lfs/v0/rc-buildroot-test/scripts/instance-2/output/build/libserial-v1.0.0' make: *** [/usr/lfs/v0/rc-buildroot-test/scripts/instance-2/output/build/libserial-v1.0.0/.stamp_built] Error 2 make: Leaving directory `/usr/lfs/v0/rc-buildroot-test/scripts/instance-2/buildroot'