Performing C SOURCE FILE Test CMAKE_HAVE_LIBC_PTHREAD failed with the following output: Change Dir: /tmp/instance-6/output-1/build/host-doxygen-1.8.18/CMakeFiles/CMakeTmp Run Build Command(s):/usr/bin/make cmTC_24b6e/fast && make[1]: Entering directory '/tmp/instance-6/output-1/build/host-doxygen-1.8.18/CMakeFiles/CMakeTmp' /usr/bin/make -f CMakeFiles/cmTC_24b6e.dir/build.make CMakeFiles/cmTC_24b6e.dir/build make[2]: Entering directory '/tmp/instance-6/output-1/build/host-doxygen-1.8.18/CMakeFiles/CMakeTmp' Building C object CMakeFiles/cmTC_24b6e.dir/src.c.o /usr/bin/gcc -O2 -I/tmp/instance-6/output-1/host/include -DCMAKE_HAVE_LIBC_PTHREAD -o CMakeFiles/cmTC_24b6e.dir/src.c.o -c /tmp/instance-6/output-1/build/host-doxygen-1.8.18/CMakeFiles/CMakeTmp/src.c Linking C executable cmTC_24b6e /tmp/instance-6/output-1/host/bin/cmake -E cmake_link_script CMakeFiles/cmTC_24b6e.dir/link.txt --verbose=1 /usr/bin/gcc -O2 -I/tmp/instance-6/output-1/host/include -DCMAKE_HAVE_LIBC_PTHREAD -L/tmp/instance-6/output-1/host/lib -Wl,-rpath,/tmp/instance-6/output-1/host/lib -rdynamic CMakeFiles/cmTC_24b6e.dir/src.c.o -o cmTC_24b6e /usr/bin/ld: CMakeFiles/cmTC_24b6e.dir/src.c.o: in function `main': src.c:(.text.startup+0x29): undefined reference to `pthread_create' /usr/bin/ld: src.c:(.text.startup+0x32): undefined reference to `pthread_detach' /usr/bin/ld: src.c:(.text.startup+0x3d): undefined reference to `pthread_join' collect2: error: ld returned 1 exit status make[2]: *** [CMakeFiles/cmTC_24b6e.dir/build.make:90: cmTC_24b6e] Error 1 make[2]: Leaving directory '/tmp/instance-6/output-1/build/host-doxygen-1.8.18/CMakeFiles/CMakeTmp' make[1]: *** [Makefile:124: cmTC_24b6e/fast] Error 2 make[1]: Leaving directory '/tmp/instance-6/output-1/build/host-doxygen-1.8.18/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 function pthread_create exists in the pthreads failed with the following output: Change Dir: /tmp/instance-6/output-1/build/host-doxygen-1.8.18/CMakeFiles/CMakeTmp Run Build Command(s):/usr/bin/make cmTC_1afd3/fast && make[1]: Entering directory '/tmp/instance-6/output-1/build/host-doxygen-1.8.18/CMakeFiles/CMakeTmp' /usr/bin/make -f CMakeFiles/cmTC_1afd3.dir/build.make CMakeFiles/cmTC_1afd3.dir/build make[2]: Entering directory '/tmp/instance-6/output-1/build/host-doxygen-1.8.18/CMakeFiles/CMakeTmp' Building C object CMakeFiles/cmTC_1afd3.dir/CheckFunctionExists.c.o /usr/bin/gcc -O2 -I/tmp/instance-6/output-1/host/include -DCHECK_FUNCTION_EXISTS=pthread_create -o CMakeFiles/cmTC_1afd3.dir/CheckFunctionExists.c.o -c /tmp/instance-6/output-1/host/share/cmake-3.16/Modules/CheckFunctionExists.c Linking C executable cmTC_1afd3 /tmp/instance-6/output-1/host/bin/cmake -E cmake_link_script CMakeFiles/cmTC_1afd3.dir/link.txt --verbose=1 /usr/bin/gcc -O2 -I/tmp/instance-6/output-1/host/include -DCHECK_FUNCTION_EXISTS=pthread_create -L/tmp/instance-6/output-1/host/lib -Wl,-rpath,/tmp/instance-6/output-1/host/lib -rdynamic CMakeFiles/cmTC_1afd3.dir/CheckFunctionExists.c.o -o cmTC_1afd3 -lpthreads /usr/bin/ld: cannot find -lpthreads collect2: error: ld returned 1 exit status make[2]: *** [CMakeFiles/cmTC_1afd3.dir/build.make:90: cmTC_1afd3] Error 1 make[2]: Leaving directory '/tmp/instance-6/output-1/build/host-doxygen-1.8.18/CMakeFiles/CMakeTmp' make[1]: *** [Makefile:124: cmTC_1afd3/fast] Error 2 make[1]: Leaving directory '/tmp/instance-6/output-1/build/host-doxygen-1.8.18/CMakeFiles/CMakeTmp' Performing C++ SOURCE FILE Test ICONV_ACCEPTS_CONST_INPUT failed with the following output: Change Dir: /tmp/instance-6/output-1/build/host-doxygen-1.8.18/CMakeFiles/CMakeTmp Run Build Command(s):/usr/bin/make cmTC_1d564/fast && make[1]: Entering directory '/tmp/instance-6/output-1/build/host-doxygen-1.8.18/CMakeFiles/CMakeTmp' /usr/bin/make -f CMakeFiles/cmTC_1d564.dir/build.make CMakeFiles/cmTC_1d564.dir/build make[2]: Entering directory '/tmp/instance-6/output-1/build/host-doxygen-1.8.18/CMakeFiles/CMakeTmp' Building CXX object CMakeFiles/cmTC_1d564.dir/src.cxx.o /usr/bin/g++ -O2 -I/tmp/instance-6/output-1/host/include -DICONV_ACCEPTS_CONST_INPUT -o CMakeFiles/cmTC_1d564.dir/src.cxx.o -c /tmp/instance-6/output-1/build/host-doxygen-1.8.18/CMakeFiles/CMakeTmp/src.cxx /tmp/instance-6/output-1/build/host-doxygen-1.8.18/CMakeFiles/CMakeTmp/src.cxx: In function 'int main()': /tmp/instance-6/output-1/build/host-doxygen-1.8.18/CMakeFiles/CMakeTmp/src.cxx:4:32: error: invalid conversion from 'const char**' to 'char**' [-fpermissive] 4 | iconv(iconv_t(-1), &p, 0, 0, 0); | ^~ | | | const char** In file included from /tmp/instance-6/output-1/build/host-doxygen-1.8.18/CMakeFiles/CMakeTmp/src.cxx:1: /usr/include/iconv.h:42:54: note: initializing argument 2 of 'size_t iconv(iconv_t, char**, size_t*, char**, size_t*)' 42 | extern size_t iconv (iconv_t __cd, char **__restrict __inbuf, | ~~~~~~~~~~~~~~~~~~^~~~~~~ make[2]: *** [CMakeFiles/cmTC_1d564.dir/build.make:69: CMakeFiles/cmTC_1d564.dir/src.cxx.o] Error 1 make[2]: Leaving directory '/tmp/instance-6/output-1/build/host-doxygen-1.8.18/CMakeFiles/CMakeTmp' make[1]: *** [Makefile:124: cmTC_1d564/fast] Error 2 make[1]: Leaving directory '/tmp/instance-6/output-1/build/host-doxygen-1.8.18/CMakeFiles/CMakeTmp' Source file was: #include int main() { char const *p = 0; iconv(iconv_t(-1), &p, 0, 0, 0); }