Performing C++ SOURCE FILE Test CMAKE_HAVE_LIBC_PTHREAD failed with the following output: Change Dir: /home/giuliobenetti/autobuild/run/instance-0/output-1/build/znc-1.8.2/CMakeFiles/CMakeTmp Run Build Command(s):/usr/bin/make cmTC_d5ba1/fast && make[1]: Entering directory '/home/giuliobenetti/autobuild/run/instance-0/output-1/build/znc-1.8.2/CMakeFiles/CMakeTmp' /usr/bin/make -f CMakeFiles/cmTC_d5ba1.dir/build.make CMakeFiles/cmTC_d5ba1.dir/build make[2]: Entering directory '/home/giuliobenetti/autobuild/run/instance-0/output-1/build/znc-1.8.2/CMakeFiles/CMakeTmp' Building CXX object CMakeFiles/cmTC_d5ba1.dir/src.cxx.o /home/giuliobenetti/autobuild/run/instance-0/output-1/host/bin/mipsel-linux-g++ --sysroot=/home/giuliobenetti/autobuild/run/instance-0/output-1/host/mipsel-buildroot-linux-gnu/sysroot -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -Os -g0 -D_FORTIFY_SOURCE=1 -DCMAKE_HAVE_LIBC_PTHREAD -DNDEBUG -o CMakeFiles/cmTC_d5ba1.dir/src.cxx.o -c /home/giuliobenetti/autobuild/run/instance-0/output-1/build/znc-1.8.2/CMakeFiles/CMakeTmp/src.cxx Linking CXX executable cmTC_d5ba1 /home/giuliobenetti/autobuild/run/instance-0/output-1/host/bin/cmake -E cmake_link_script CMakeFiles/cmTC_d5ba1.dir/link.txt --verbose=1 /home/giuliobenetti/autobuild/run/instance-0/output-1/host/bin/mipsel-linux-g++ --sysroot=/home/giuliobenetti/autobuild/run/instance-0/output-1/host/mipsel-buildroot-linux-gnu/sysroot -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -Os -g0 -D_FORTIFY_SOURCE=1 -DCMAKE_HAVE_LIBC_PTHREAD -DNDEBUG CMakeFiles/cmTC_d5ba1.dir/src.cxx.o -o cmTC_d5ba1 /home/giuliobenetti/autobuild/run/instance-0/output-1/host/opt/ext-toolchain/bin/../lib/gcc/mipsel-buildroot-linux-gnu/9.3.0/../../../../mipsel-buildroot-linux-gnu/bin/ld: CMakeFiles/cmTC_d5ba1.dir/src.cxx.o: in function `main': src.cxx:(.text.startup+0x14): undefined reference to `pthread_create' /home/giuliobenetti/autobuild/run/instance-0/output-1/host/opt/ext-toolchain/bin/../lib/gcc/mipsel-buildroot-linux-gnu/9.3.0/../../../../mipsel-buildroot-linux-gnu/bin/ld: src.cxx:(.text.startup+0x28): undefined reference to `pthread_create' /home/giuliobenetti/autobuild/run/instance-0/output-1/host/opt/ext-toolchain/bin/../lib/gcc/mipsel-buildroot-linux-gnu/9.3.0/../../../../mipsel-buildroot-linux-gnu/bin/ld: src.cxx:(.text.startup+0x34): undefined reference to `pthread_detach' /home/giuliobenetti/autobuild/run/instance-0/output-1/host/opt/ext-toolchain/bin/../lib/gcc/mipsel-buildroot-linux-gnu/9.3.0/../../../../mipsel-buildroot-linux-gnu/bin/ld: src.cxx:(.text.startup+0x38): undefined reference to `pthread_detach' /home/giuliobenetti/autobuild/run/instance-0/output-1/host/opt/ext-toolchain/bin/../lib/gcc/mipsel-buildroot-linux-gnu/9.3.0/../../../../mipsel-buildroot-linux-gnu/bin/ld: src.cxx:(.text.startup+0x48): undefined reference to `pthread_join' /home/giuliobenetti/autobuild/run/instance-0/output-1/host/opt/ext-toolchain/bin/../lib/gcc/mipsel-buildroot-linux-gnu/9.3.0/../../../../mipsel-buildroot-linux-gnu/bin/ld: src.cxx:(.text.startup+0x4c): undefined reference to `pthread_join' collect2: error: ld returned 1 exit status make[2]: *** [CMakeFiles/cmTC_d5ba1.dir/build.make:90: cmTC_d5ba1] Error 1 make[2]: Leaving directory '/home/giuliobenetti/autobuild/run/instance-0/output-1/build/znc-1.8.2/CMakeFiles/CMakeTmp' make[1]: *** [Makefile:124: cmTC_d5ba1/fast] Error 2 make[1]: Leaving directory '/home/giuliobenetti/autobuild/run/instance-0/output-1/build/znc-1.8.2/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; } Determining if the getpassphrase exist failed with the following output: Change Dir: /home/giuliobenetti/autobuild/run/instance-0/output-1/build/znc-1.8.2/CMakeFiles/CMakeTmp Run Build Command(s):/usr/bin/make cmTC_fbcf1/fast && make[1]: Entering directory '/home/giuliobenetti/autobuild/run/instance-0/output-1/build/znc-1.8.2/CMakeFiles/CMakeTmp' /usr/bin/make -f CMakeFiles/cmTC_fbcf1.dir/build.make CMakeFiles/cmTC_fbcf1.dir/build make[2]: Entering directory '/home/giuliobenetti/autobuild/run/instance-0/output-1/build/znc-1.8.2/CMakeFiles/CMakeTmp' Building CXX object CMakeFiles/cmTC_fbcf1.dir/CheckSymbolExists.cxx.o /home/giuliobenetti/autobuild/run/instance-0/output-1/host/bin/mipsel-linux-g++ --sysroot=/home/giuliobenetti/autobuild/run/instance-0/output-1/host/mipsel-buildroot-linux-gnu/sysroot -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -Os -g0 -D_FORTIFY_SOURCE=1 -DNDEBUG -o CMakeFiles/cmTC_fbcf1.dir/CheckSymbolExists.cxx.o -c /home/giuliobenetti/autobuild/run/instance-0/output-1/build/znc-1.8.2/CMakeFiles/CMakeTmp/CheckSymbolExists.cxx /home/giuliobenetti/autobuild/run/instance-0/output-1/build/znc-1.8.2/CMakeFiles/CMakeTmp/CheckSymbolExists.cxx: In function 'int main(int, char**)': /home/giuliobenetti/autobuild/run/instance-0/output-1/build/znc-1.8.2/CMakeFiles/CMakeTmp/CheckSymbolExists.cxx:8:19: error: 'getpassphrase' was not declared in this scope 8 | return ((int*)(&getpassphrase))[argc]; | ^~~~~~~~~~~~~ make[2]: *** [CMakeFiles/cmTC_fbcf1.dir/build.make:69: CMakeFiles/cmTC_fbcf1.dir/CheckSymbolExists.cxx.o] Error 1 make[2]: Leaving directory '/home/giuliobenetti/autobuild/run/instance-0/output-1/build/znc-1.8.2/CMakeFiles/CMakeTmp' make[1]: *** [Makefile:124: cmTC_fbcf1/fast] Error 2 make[1]: Leaving directory '/home/giuliobenetti/autobuild/run/instance-0/output-1/build/znc-1.8.2/CMakeFiles/CMakeTmp' File /home/giuliobenetti/autobuild/run/instance-0/output-1/build/znc-1.8.2/CMakeFiles/CMakeTmp/CheckSymbolExists.cxx: /* */ #include int main(int argc, char** argv) { (void)argv; #ifndef getpassphrase return ((int*)(&getpassphrase))[argc]; #else (void)argc; return 0; #endif }