The target system is: Buildroot - 1 - l The host system is: Linux - 5.4.0-80-generic - x86_64 Compiling the C compiler identification source file "CMakeCCompilerId.c" succeeded. Compiler: /tmp/instance-0/output-1/host/bin/arm-linux-gcc Build flags: -D_LARGEFILE_SOURCE;-D_LARGEFILE64_SOURCE;-D_FILE_OFFSET_BITS=64;-O2;-g0;-Wl,-elf2flt;-static Id flags: The output was: 0 Compilation of the C compiler identification source "CMakeCCompilerId.c" produced "a.out" Compilation of the C compiler identification source "CMakeCCompilerId.c" produced "a.out.gdb" The C compiler identification is GNU, found in "/tmp/instance-0/output-1/build/optee-client-3.13.0/CMakeFiles/3.16.9/CompilerIdC/a.out" Determining if the C compiler works passed with the following output: Change Dir: /tmp/instance-0/output-1/build/optee-client-3.13.0/CMakeFiles/CMakeTmp Run Build Command(s):/usr/bin/make cmTC_19534/fast && make[1]: Entering directory '/tmp/instance-0/output-1/build/optee-client-3.13.0/CMakeFiles/CMakeTmp' /usr/bin/make -f CMakeFiles/cmTC_19534.dir/build.make CMakeFiles/cmTC_19534.dir/build make[2]: Entering directory '/tmp/instance-0/output-1/build/optee-client-3.13.0/CMakeFiles/CMakeTmp' Building C object CMakeFiles/cmTC_19534.dir/testCCompiler.c.o /tmp/instance-0/output-1/host/bin/arm-linux-gcc --sysroot=/tmp/instance-0/output-1/host/arm-buildroot-uclinux-uclibcgnueabi/sysroot -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -O2 -g0 -Wl,-elf2flt -static -DNDEBUG -o CMakeFiles/cmTC_19534.dir/testCCompiler.c.o -c /tmp/instance-0/output-1/build/optee-client-3.13.0/CMakeFiles/CMakeTmp/testCCompiler.c Linking C executable cmTC_19534 /tmp/instance-0/output-1/host/bin/cmake -E cmake_link_script CMakeFiles/cmTC_19534.dir/link.txt --verbose=1 /tmp/instance-0/output-1/host/bin/arm-linux-gcc --sysroot=/tmp/instance-0/output-1/host/arm-buildroot-uclinux-uclibcgnueabi/sysroot -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -O2 -g0 -Wl,-elf2flt -static -DNDEBUG -Wl,-elf2flt -static CMakeFiles/cmTC_19534.dir/testCCompiler.c.o -o cmTC_19534 make[2]: Leaving directory '/tmp/instance-0/output-1/build/optee-client-3.13.0/CMakeFiles/CMakeTmp' make[1]: Leaving directory '/tmp/instance-0/output-1/build/optee-client-3.13.0/CMakeFiles/CMakeTmp' Detecting C compiler ABI info compiled with the following output: Change Dir: /tmp/instance-0/output-1/build/optee-client-3.13.0/CMakeFiles/CMakeTmp Run Build Command(s):/usr/bin/make cmTC_fcb8c/fast && make[1]: Entering directory '/tmp/instance-0/output-1/build/optee-client-3.13.0/CMakeFiles/CMakeTmp' /usr/bin/make -f CMakeFiles/cmTC_fcb8c.dir/build.make CMakeFiles/cmTC_fcb8c.dir/build make[2]: Entering directory '/tmp/instance-0/output-1/build/optee-client-3.13.0/CMakeFiles/CMakeTmp' Building C object CMakeFiles/cmTC_fcb8c.dir/CMakeCCompilerABI.c.o /tmp/instance-0/output-1/host/bin/arm-linux-gcc --sysroot=/tmp/instance-0/output-1/host/arm-buildroot-uclinux-uclibcgnueabi/sysroot -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -O2 -g0 -Wl,-elf2flt -static -DNDEBUG -v -o CMakeFiles/cmTC_fcb8c.dir/CMakeCCompilerABI.c.o -c /tmp/instance-0/output-1/host/share/cmake-3.16/Modules/CMakeCCompilerABI.c Using built-in specs. COLLECT_GCC=/tmp/instance-0/output-1/host/opt/ext-toolchain/bin/arm-linux-gcc.br_real Target: arm-buildroot-uclinux-uclibcgnueabi Configured with: ./configure --prefix=/opt/armv7m--uclibc--stable-2020.08-1 --sysconfdir=/opt/armv7m--uclibc--stable-2020.08-1/etc --enable-static --target=arm-buildroot-uclinux-uclibcgnueabi --with-sysroot=/opt/armv7m--uclibc--stable-2020.08-1/arm-buildroot-uclinux-uclibcgnueabi/sysroot --enable-__cxa_atexit --with-gnu-ld --disable-libssp --disable-multilib --disable-decimal-float --with-gmp=/opt/armv7m--uclibc--stable-2020.08-1 --with-mpc=/opt/armv7m--uclibc--stable-2020.08-1 --with-mpfr=/opt/armv7m--uclibc--stable-2020.08-1 --with-pkgversion='Buildroot 2020.08-14-ge5a2a90' --with-bugurl=http://bugs.buildroot.net/ --without-zstd --disable-libquadmath --disable-libquadmath-support --disable-libsanitizer --disable-tls --enable-threads --without-isl --without-cloog --with-float=soft --with-abi=aapcs-linux --with-cpu=cortex-m4 --with-float=soft --with-mode=thumb --enable-languages=c,c++,fortran --with-build-time-tools=/opt/armv7m--uclibc--stable-2020.08-1/arm-buildroot-uclinux-uclibcgnueabi/bin --disable-shared --disable-libgomp Thread model: posix gcc version 9.3.0 (Buildroot 2020.08-14-ge5a2a90) COLLECT_GCC_OPTIONS='-mabi=aapcs-linux' '-mfloat-abi=soft' '-mthumb' '-mfloat-abi=soft' '-mcpu=cortex-m4' '-D' '_LARGEFILE_SOURCE' '-D' '_LARGEFILE64_SOURCE' '-D' '_FILE_OFFSET_BITS=64' '-O2' '-g0' '-static' '-D' 'NDEBUG' '-v' '-o' 'CMakeFiles/cmTC_fcb8c.dir/CMakeCCompilerABI.c.o' '-c' '-march=armv7e-m' /tmp/instance-0/output-1/host/opt/ext-toolchain/bin/../libexec/gcc/arm-buildroot-uclinux-uclibcgnueabi/9.3.0/cc1 -quiet -v -iprefix /tmp/instance-0/output-1/host/opt/ext-toolchain/bin/../lib/gcc/arm-buildroot-uclinux-uclibcgnueabi/9.3.0/ -isysroot /tmp/instance-0/output-1/host/arm-buildroot-uclinux-uclibcgnueabi/sysroot -D _LARGEFILE_SOURCE -D _LARGEFILE64_SOURCE -D _FILE_OFFSET_BITS=64 -D NDEBUG /tmp/instance-0/output-1/host/share/cmake-3.16/Modules/CMakeCCompilerABI.c -quiet -dumpbase CMakeCCompilerABI.c -mabi=aapcs-linux -mfloat-abi=soft -mthumb -mfloat-abi=soft -mcpu=cortex-m4 -march=armv7e-m -auxbase-strip CMakeFiles/cmTC_fcb8c.dir/CMakeCCompilerABI.c.o -g0 -O2 -version -o /tmp/ccKiEv2E.s GNU C17 (Buildroot 2020.08-14-ge5a2a90) version 9.3.0 (arm-buildroot-uclinux-uclibcgnueabi) compiled by GNU C version 4.9.2, GMP version 6.1.2, MPFR version 4.0.2, MPC version 1.1.0, isl version none GGC heuristics: --param ggc-min-expand=100 --param ggc-min-heapsize=131072 ignoring duplicate directory "/tmp/instance-0/output-1/host/opt/ext-toolchain/bin/../lib/gcc/../../lib/gcc/arm-buildroot-uclinux-uclibcgnueabi/9.3.0/include" ignoring nonexistent directory "/tmp/instance-0/output-1/host/arm-buildroot-uclinux-uclibcgnueabi/sysroot/usr/local/include" ignoring duplicate directory "/tmp/instance-0/output-1/host/opt/ext-toolchain/bin/../lib/gcc/../../lib/gcc/arm-buildroot-uclinux-uclibcgnueabi/9.3.0/include-fixed" ignoring duplicate directory "/tmp/instance-0/output-1/host/opt/ext-toolchain/bin/../lib/gcc/../../lib/gcc/arm-buildroot-uclinux-uclibcgnueabi/9.3.0/../../../../arm-buildroot-uclinux-uclibcgnueabi/include" #include "..." search starts here: #include <...> search starts here: /tmp/instance-0/output-1/host/opt/ext-toolchain/bin/../lib/gcc/arm-buildroot-uclinux-uclibcgnueabi/9.3.0/include /tmp/instance-0/output-1/host/opt/ext-toolchain/bin/../lib/gcc/arm-buildroot-uclinux-uclibcgnueabi/9.3.0/include-fixed /tmp/instance-0/output-1/host/opt/ext-toolchain/bin/../lib/gcc/arm-buildroot-uclinux-uclibcgnueabi/9.3.0/../../../../arm-buildroot-uclinux-uclibcgnueabi/include /tmp/instance-0/output-1/host/arm-buildroot-uclinux-uclibcgnueabi/sysroot/usr/include End of search list. GNU C17 (Buildroot 2020.08-14-ge5a2a90) version 9.3.0 (arm-buildroot-uclinux-uclibcgnueabi) compiled by GNU C version 4.9.2, GMP version 6.1.2, MPFR version 4.0.2, MPC version 1.1.0, isl version none GGC heuristics: --param ggc-min-expand=100 --param ggc-min-heapsize=131072 Compiler executable checksum: ccc473fc943541865d2ad743a73b6a8a COLLECT_GCC_OPTIONS='-mabi=aapcs-linux' '-mfloat-abi=soft' '-mthumb' '-mfloat-abi=soft' '-mcpu=cortex-m4' '-D' '_LARGEFILE_SOURCE' '-D' '_LARGEFILE64_SOURCE' '-D' '_FILE_OFFSET_BITS=64' '-O2' '-g0' '-static' '-D' 'NDEBUG' '-v' '-o' 'CMakeFiles/cmTC_fcb8c.dir/CMakeCCompilerABI.c.o' '-c' '-march=armv7e-m' /tmp/instance-0/output-1/host/opt/ext-toolchain/bin/../lib/gcc/arm-buildroot-uclinux-uclibcgnueabi/9.3.0/../../../../arm-buildroot-uclinux-uclibcgnueabi/bin/as -march=armv7e-m -mfloat-abi=soft -mfloat-abi=soft -meabi=5 -o CMakeFiles/cmTC_fcb8c.dir/CMakeCCompilerABI.c.o /tmp/ccKiEv2E.s COMPILER_PATH=/tmp/instance-0/output-1/host/opt/ext-toolchain/bin/../libexec/gcc/arm-buildroot-uclinux-uclibcgnueabi/9.3.0/:/tmp/instance-0/output-1/host/opt/ext-toolchain/bin/../libexec/gcc/:/tmp/instance-0/output-1/host/opt/ext-toolchain/bin/../lib/gcc/arm-buildroot-uclinux-uclibcgnueabi/9.3.0/../../../../arm-buildroot-uclinux-uclibcgnueabi/bin/ LIBRARY_PATH=/tmp/instance-0/output-1/host/opt/ext-toolchain/bin/../lib/gcc/arm-buildroot-uclinux-uclibcgnueabi/9.3.0/:/tmp/instance-0/output-1/host/opt/ext-toolchain/bin/../lib/gcc/:/tmp/instance-0/output-1/host/opt/ext-toolchain/bin/../lib/gcc/arm-buildroot-uclinux-uclibcgnueabi/9.3.0/../../../../arm-buildroot-uclinux-uclibcgnueabi/lib/:/tmp/instance-0/output-1/host/arm-buildroot-uclinux-uclibcgnueabi/sysroot/lib/:/tmp/instance-0/output-1/host/arm-buildroot-uclinux-uclibcgnueabi/sysroot/usr/lib/ COLLECT_GCC_OPTIONS='-mabi=aapcs-linux' '-mfloat-abi=soft' '-mthumb' '-mfloat-abi=soft' '-mcpu=cortex-m4' '-D' '_LARGEFILE_SOURCE' '-D' '_LARGEFILE64_SOURCE' '-D' '_FILE_OFFSET_BITS=64' '-O2' '-g0' '-static' '-D' 'NDEBUG' '-v' '-o' 'CMakeFiles/cmTC_fcb8c.dir/CMakeCCompilerABI.c.o' '-c' '-march=armv7e-m' Linking C executable cmTC_fcb8c /tmp/instance-0/output-1/host/bin/cmake -E cmake_link_script CMakeFiles/cmTC_fcb8c.dir/link.txt --verbose=1 /tmp/instance-0/output-1/host/bin/arm-linux-gcc --sysroot=/tmp/instance-0/output-1/host/arm-buildroot-uclinux-uclibcgnueabi/sysroot -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -O2 -g0 -Wl,-elf2flt -static -DNDEBUG -Wl,-elf2flt -static -v CMakeFiles/cmTC_fcb8c.dir/CMakeCCompilerABI.c.o -o cmTC_fcb8c Using built-in specs. COLLECT_GCC=/tmp/instance-0/output-1/host/opt/ext-toolchain/bin/arm-linux-gcc.br_real COLLECT_LTO_WRAPPER=/tmp/instance-0/output-1/host/opt/ext-toolchain/bin/../libexec/gcc/arm-buildroot-uclinux-uclibcgnueabi/9.3.0/lto-wrapper Target: arm-buildroot-uclinux-uclibcgnueabi Configured with: ./configure --prefix=/opt/armv7m--uclibc--stable-2020.08-1 --sysconfdir=/opt/armv7m--uclibc--stable-2020.08-1/etc --enable-static --target=arm-buildroot-uclinux-uclibcgnueabi --with-sysroot=/opt/armv7m--uclibc--stable-2020.08-1/arm-buildroot-uclinux-uclibcgnueabi/sysroot --enable-__cxa_atexit --with-gnu-ld --disable-libssp --disable-multilib --disable-decimal-float --with-gmp=/opt/armv7m--uclibc--stable-2020.08-1 --with-mpc=/opt/armv7m--uclibc--stable-2020.08-1 --with-mpfr=/opt/armv7m--uclibc--stable-2020.08-1 --with-pkgversion='Buildroot 2020.08-14-ge5a2a90' --with-bugurl=http://bugs.buildroot.net/ --without-zstd --disable-libquadmath --disable-libquadmath-support --disable-libsanitizer --disable-tls --enable-threads --without-isl --without-cloog --with-float=soft --with-abi=aapcs-linux --with-cpu=cortex-m4 --with-float=soft --with-mode=thumb --enable-languages=c,c++,fortran --with-build-time-tools=/opt/armv7m--uclibc--stable-2020.08-1/arm-buildroot-uclinux-uclibcgnueabi/bin --disable-shared --disable-libgomp Thread model: posix gcc version 9.3.0 (Buildroot 2020.08-14-ge5a2a90) COMPILER_PATH=/tmp/instance-0/output-1/host/opt/ext-toolchain/bin/../libexec/gcc/arm-buildroot-uclinux-uclibcgnueabi/9.3.0/:/tmp/instance-0/output-1/host/opt/ext-toolchain/bin/../libexec/gcc/:/tmp/instance-0/output-1/host/opt/ext-toolchain/bin/../lib/gcc/arm-buildroot-uclinux-uclibcgnueabi/9.3.0/../../../../arm-buildroot-uclinux-uclibcgnueabi/bin/ LIBRARY_PATH=/tmp/instance-0/output-1/host/opt/ext-toolchain/bin/../lib/gcc/arm-buildroot-uclinux-uclibcgnueabi/9.3.0/:/tmp/instance-0/output-1/host/opt/ext-toolchain/bin/../lib/gcc/:/tmp/instance-0/output-1/host/opt/ext-toolchain/bin/../lib/gcc/arm-buildroot-uclinux-uclibcgnueabi/9.3.0/../../../../arm-buildroot-uclinux-uclibcgnueabi/lib/:/tmp/instance-0/output-1/host/arm-buildroot-uclinux-uclibcgnueabi/sysroot/lib/:/tmp/instance-0/output-1/host/arm-buildroot-uclinux-uclibcgnueabi/sysroot/usr/lib/ COLLECT_GCC_OPTIONS='-mabi=aapcs-linux' '-mfloat-abi=soft' '-mthumb' '-mfloat-abi=soft' '-mcpu=cortex-m4' '-D' '_LARGEFILE_SOURCE' '-D' '_LARGEFILE64_SOURCE' '-D' '_FILE_OFFSET_BITS=64' '-O2' '-g0' '-static' '-D' 'NDEBUG' '-static' '-v' '-o' 'cmTC_fcb8c' '-march=armv7e-m' /tmp/instance-0/output-1/host/opt/ext-toolchain/bin/../libexec/gcc/arm-buildroot-uclinux-uclibcgnueabi/9.3.0/collect2 -plugin 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-L/tmp/instance-0/output-1/host/opt/ext-toolchain/bin/../lib/gcc -L/tmp/instance-0/output-1/host/opt/ext-toolchain/bin/../lib/gcc/arm-buildroot-uclinux-uclibcgnueabi/9.3.0/../../../../arm-buildroot-uclinux-uclibcgnueabi/lib -L/tmp/instance-0/output-1/host/arm-buildroot-uclinux-uclibcgnueabi/sysroot/lib -L/tmp/instance-0/output-1/host/arm-buildroot-uclinux-uclibcgnueabi/sysroot/usr/lib -elf2flt -elf2flt -elf2flt CMakeFiles/cmTC_fcb8c.dir/CMakeCCompilerABI.c.o --start-group -lgcc -lc --end-group /tmp/instance-0/output-1/host/opt/ext-toolchain/bin/../lib/gcc/arm-buildroot-uclinux-uclibcgnueabi/9.3.0/crtend.o /tmp/instance-0/output-1/host/opt/ext-toolchain/bin/../lib/gcc/arm-buildroot-uclinux-uclibcgnueabi/9.3.0/crtn.o COLLECT_GCC_OPTIONS='-mabi=aapcs-linux' '-mfloat-abi=soft' '-mthumb' '-mfloat-abi=soft' '-mcpu=cortex-m4' '-D' '_LARGEFILE_SOURCE' '-D' '_LARGEFILE64_SOURCE' '-D' '_FILE_OFFSET_BITS=64' '-O2' '-g0' '-static' '-D' 'NDEBUG' '-static' '-v' '-o' 'cmTC_fcb8c' '-march=armv7e-m' make[2]: Leaving directory '/tmp/instance-0/output-1/build/optee-client-3.13.0/CMakeFiles/CMakeTmp' make[1]: Leaving directory '/tmp/instance-0/output-1/build/optee-client-3.13.0/CMakeFiles/CMakeTmp' Parsed C implicit include dir info from above output: rv=done found start of include info found start of implicit include info add: [/tmp/instance-0/output-1/host/opt/ext-toolchain/bin/../lib/gcc/arm-buildroot-uclinux-uclibcgnueabi/9.3.0/include] add: [/tmp/instance-0/output-1/host/opt/ext-toolchain/bin/../lib/gcc/arm-buildroot-uclinux-uclibcgnueabi/9.3.0/include-fixed] add: [/tmp/instance-0/output-1/host/opt/ext-toolchain/bin/../lib/gcc/arm-buildroot-uclinux-uclibcgnueabi/9.3.0/../../../../arm-buildroot-uclinux-uclibcgnueabi/include] add: [/tmp/instance-0/output-1/host/arm-buildroot-uclinux-uclibcgnueabi/sysroot/usr/include] end of search list found collapse include dir [/tmp/instance-0/output-1/host/opt/ext-toolchain/bin/../lib/gcc/arm-buildroot-uclinux-uclibcgnueabi/9.3.0/include] ==> [/tmp/instance-0/output-1/host/opt/ext-toolchain/lib/gcc/arm-buildroot-uclinux-uclibcgnueabi/9.3.0/include] collapse include dir [/tmp/instance-0/output-1/host/opt/ext-toolchain/bin/../lib/gcc/arm-buildroot-uclinux-uclibcgnueabi/9.3.0/include-fixed] ==> [/tmp/instance-0/output-1/host/opt/ext-toolchain/lib/gcc/arm-buildroot-uclinux-uclibcgnueabi/9.3.0/include-fixed] collapse include dir [/tmp/instance-0/output-1/host/opt/ext-toolchain/bin/../lib/gcc/arm-buildroot-uclinux-uclibcgnueabi/9.3.0/../../../../arm-buildroot-uclinux-uclibcgnueabi/include] ==> [/tmp/instance-0/output-1/host/opt/ext-toolchain/arm-buildroot-uclinux-uclibcgnueabi/include] collapse include dir [/tmp/instance-0/output-1/host/arm-buildroot-uclinux-uclibcgnueabi/sysroot/usr/include] ==> [/tmp/instance-0/output-1/host/arm-buildroot-uclinux-uclibcgnueabi/sysroot/usr/include] implicit include dirs: [/tmp/instance-0/output-1/host/opt/ext-toolchain/lib/gcc/arm-buildroot-uclinux-uclibcgnueabi/9.3.0/include;/tmp/instance-0/output-1/host/opt/ext-toolchain/lib/gcc/arm-buildroot-uclinux-uclibcgnueabi/9.3.0/include-fixed;/tmp/instance-0/output-1/host/opt/ext-toolchain/arm-buildroot-uclinux-uclibcgnueabi/include;/tmp/instance-0/output-1/host/arm-buildroot-uclinux-uclibcgnueabi/sysroot/usr/include] Parsed C implicit link information from above output: link line regex: [^( *|.*[/\])(arm-linux-ld|CMAKE_LINK_STARTFILE-NOTFOUND|([^/\]+-)?ld|collect2)[^/\]*( |$)] ignore line: [Change Dir: /tmp/instance-0/output-1/build/optee-client-3.13.0/CMakeFiles/CMakeTmp] ignore line: [] ignore line: [Run Build Command(s):/usr/bin/make cmTC_fcb8c/fast && make[1]: Entering directory '/tmp/instance-0/output-1/build/optee-client-3.13.0/CMakeFiles/CMakeTmp'] ignore line: [/usr/bin/make -f CMakeFiles/cmTC_fcb8c.dir/build.make CMakeFiles/cmTC_fcb8c.dir/build] ignore line: [make[2]: Entering directory 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'/tmp/instance-0/output-1/build/optee-client-3.13.0/CMakeFiles/CMakeTmp' Performing C SOURCE FILE Test CMAKE_HAVE_LIBC_PTHREAD succeeded with the following output: Change Dir: /tmp/instance-0/output-1/build/optee-client-3.13.0/CMakeFiles/CMakeTmp Run Build Command(s):/usr/bin/make cmTC_b03e6/fast && make[1]: Entering directory '/tmp/instance-0/output-1/build/optee-client-3.13.0/CMakeFiles/CMakeTmp' /usr/bin/make -f CMakeFiles/cmTC_b03e6.dir/build.make CMakeFiles/cmTC_b03e6.dir/build make[2]: Entering directory '/tmp/instance-0/output-1/build/optee-client-3.13.0/CMakeFiles/CMakeTmp' Building C object CMakeFiles/cmTC_b03e6.dir/src.c.o /tmp/instance-0/output-1/host/bin/arm-linux-gcc --sysroot=/tmp/instance-0/output-1/host/arm-buildroot-uclinux-uclibcgnueabi/sysroot -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -O2 -g0 -Wl,-elf2flt -static -DCMAKE_HAVE_LIBC_PTHREAD -DNDEBUG -o CMakeFiles/cmTC_b03e6.dir/src.c.o -c /tmp/instance-0/output-1/build/optee-client-3.13.0/CMakeFiles/CMakeTmp/src.c /tmp/instance-0/output-1/build/optee-client-3.13.0/CMakeFiles/CMakeTmp/src.c: In function 'main': /tmp/instance-0/output-1/build/optee-client-3.13.0/CMakeFiles/CMakeTmp/src.c:14:3: warning: implicit declaration of function 'pthread_atfork'; did you mean 'pthread_join'? [-Wimplicit-function-declaration] 14 | pthread_atfork(NULL, NULL, NULL); | ^~~~~~~~~~~~~~ | pthread_join Linking C executable cmTC_b03e6 /tmp/instance-0/output-1/host/bin/cmake -E cmake_link_script CMakeFiles/cmTC_b03e6.dir/link.txt --verbose=1 /tmp/instance-0/output-1/host/bin/arm-linux-gcc --sysroot=/tmp/instance-0/output-1/host/arm-buildroot-uclinux-uclibcgnueabi/sysroot -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -O2 -g0 -Wl,-elf2flt -static -DCMAKE_HAVE_LIBC_PTHREAD -DNDEBUG -Wl,-elf2flt -static CMakeFiles/cmTC_b03e6.dir/src.c.o -o cmTC_b03e6 make[2]: Leaving directory '/tmp/instance-0/output-1/build/optee-client-3.13.0/CMakeFiles/CMakeTmp' make[1]: Leaving directory '/tmp/instance-0/output-1/build/optee-client-3.13.0/CMakeFiles/CMakeTmp' Source file was: #include void* test_func(void* data) { return data; } int main(void) { pthread_t thread; pthread_create(&thread, NULL, test_func, NULL); pthread_detach(thread); pthread_join(thread, NULL); pthread_atfork(NULL, NULL, NULL); pthread_exit(NULL); return 0; }