Determining if the include file execinfo.h exists failed with the following output: Change Dir: /tmp/instance-0/output-1/build/monkey-f54856ce250c4e25735434dc75717a4b7fbfc45b/CMakeFiles/CMakeTmp Run Build Command(s):/usr/bin/make cmTC_a812d/fast && make[1]: Entering directory '/tmp/instance-0/output-1/build/monkey-f54856ce250c4e25735434dc75717a4b7fbfc45b/CMakeFiles/CMakeTmp' /usr/bin/make -f CMakeFiles/cmTC_a812d.dir/build.make CMakeFiles/cmTC_a812d.dir/build make[2]: Entering directory '/tmp/instance-0/output-1/build/monkey-f54856ce250c4e25735434dc75717a4b7fbfc45b/CMakeFiles/CMakeTmp' Building C object CMakeFiles/cmTC_a812d.dir/CheckIncludeFile.c.o /tmp/instance-0/output-1/host/bin/x86_64-linux-gcc --sysroot=/tmp/instance-0/output-1/host/x86_64-buildroot-linux-uclibc/sysroot -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -Os -std=gnu99 -Wall -Wextra -D__FILENAME__='"CMakeFiles/CMakeTmp/CheckIncludeFile.c"' -DNDEBUG -o CMakeFiles/cmTC_a812d.dir/CheckIncludeFile.c.o -c /tmp/instance-0/output-1/build/monkey-f54856ce250c4e25735434dc75717a4b7fbfc45b/CMakeFiles/CMakeTmp/CheckIncludeFile.c /tmp/instance-0/output-1/build/monkey-f54856ce250c4e25735434dc75717a4b7fbfc45b/CMakeFiles/CMakeTmp/CheckIncludeFile.c:1:10: fatal error: execinfo.h: No such file or directory 1 | #include | ^~~~~~~~~~~~ compilation terminated. make[2]: *** [CMakeFiles/cmTC_a812d.dir/build.make:66: CMakeFiles/cmTC_a812d.dir/CheckIncludeFile.c.o] Error 1 make[2]: Leaving directory '/tmp/instance-0/output-1/build/monkey-f54856ce250c4e25735434dc75717a4b7fbfc45b/CMakeFiles/CMakeTmp' make[1]: *** [Makefile:121: cmTC_a812d/fast] Error 2 make[1]: Leaving directory '/tmp/instance-0/output-1/build/monkey-f54856ce250c4e25735434dc75717a4b7fbfc45b/CMakeFiles/CMakeTmp' Performing C SOURCE FILE Test HAVE_REGEX failed with the following output: Change Dir: /tmp/instance-0/output-1/build/monkey-f54856ce250c4e25735434dc75717a4b7fbfc45b/CMakeFiles/CMakeTmp Run Build Command(s):/usr/bin/make cmTC_e559e/fast && make[1]: Entering directory '/tmp/instance-0/output-1/build/monkey-f54856ce250c4e25735434dc75717a4b7fbfc45b/CMakeFiles/CMakeTmp' /usr/bin/make -f CMakeFiles/cmTC_e559e.dir/build.make CMakeFiles/cmTC_e559e.dir/build make[2]: Entering directory '/tmp/instance-0/output-1/build/monkey-f54856ce250c4e25735434dc75717a4b7fbfc45b/CMakeFiles/CMakeTmp' Building C object CMakeFiles/cmTC_e559e.dir/src.c.o /tmp/instance-0/output-1/host/bin/x86_64-linux-gcc --sysroot=/tmp/instance-0/output-1/host/x86_64-buildroot-linux-uclibc/sysroot -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -Os -std=gnu99 -Wall -Wextra -D__FILENAME__='"CMakeFiles/CMakeTmp/src.c"' -DHAVE_REGEX -DNDEBUG -o CMakeFiles/cmTC_e559e.dir/src.c.o -c /tmp/instance-0/output-1/build/monkey-f54856ce250c4e25735434dc75717a4b7fbfc45b/CMakeFiles/CMakeTmp/src.c /tmp/instance-0/output-1/build/monkey-f54856ce250c4e25735434dc75717a4b7fbfc45b/CMakeFiles/CMakeTmp/src.c: In function 'main': /tmp/instance-0/output-1/build/monkey-f54856ce250c4e25735434dc75717a4b7fbfc45b/CMakeFiles/CMakeTmp/src.c:6:6: error: 'ret' undeclared (first use in this function); did you mean 'reg'? 6 | ret = regcomp(®, str, REG_EXTENDED|REG_ICASE|REG_NOSUB); | ^~~ | reg /tmp/instance-0/output-1/build/monkey-f54856ce250c4e25735434dc75717a4b7fbfc45b/CMakeFiles/CMakeTmp/src.c:6:6: note: each undeclared identifier is reported only once for each function it appears in make[2]: *** [CMakeFiles/cmTC_e559e.dir/build.make:66: CMakeFiles/cmTC_e559e.dir/src.c.o] Error 1 make[2]: Leaving directory '/tmp/instance-0/output-1/build/monkey-f54856ce250c4e25735434dc75717a4b7fbfc45b/CMakeFiles/CMakeTmp' make[1]: *** [Makefile:121: cmTC_e559e/fast] Error 2 make[1]: Leaving directory '/tmp/instance-0/output-1/build/monkey-f54856ce250c4e25735434dc75717a4b7fbfc45b/CMakeFiles/CMakeTmp' Source file was: #include int main() { regex_t reg; const char str[] = "[a-zA-Z0-9]*"; ret = regcomp(®, str, REG_EXTENDED|REG_ICASE|REG_NOSUB); return 0; } Performing C SOURCE FILE Test HAVE_KQUEUE failed with the following output: Change Dir: /tmp/instance-0/output-1/build/monkey-f54856ce250c4e25735434dc75717a4b7fbfc45b/CMakeFiles/CMakeTmp Run Build Command(s):/usr/bin/make cmTC_8dd00/fast && make[1]: Entering directory '/tmp/instance-0/output-1/build/monkey-f54856ce250c4e25735434dc75717a4b7fbfc45b/CMakeFiles/CMakeTmp' /usr/bin/make -f CMakeFiles/cmTC_8dd00.dir/build.make CMakeFiles/cmTC_8dd00.dir/build make[2]: Entering directory '/tmp/instance-0/output-1/build/monkey-f54856ce250c4e25735434dc75717a4b7fbfc45b/CMakeFiles/CMakeTmp' Building C object CMakeFiles/cmTC_8dd00.dir/src.c.o /tmp/instance-0/output-1/host/bin/x86_64-linux-gcc --sysroot=/tmp/instance-0/output-1/host/x86_64-buildroot-linux-uclibc/sysroot -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -Os -std=gnu99 -Wall -Wextra -D__FILENAME__='"CMakeFiles/CMakeTmp/src.c"' -DHAVE_KQUEUE -DNDEBUG -o CMakeFiles/cmTC_8dd00.dir/src.c.o -c /tmp/instance-0/output-1/build/monkey-f54856ce250c4e25735434dc75717a4b7fbfc45b/CMakeFiles/CMakeTmp/src.c /tmp/instance-0/output-1/build/monkey-f54856ce250c4e25735434dc75717a4b7fbfc45b/CMakeFiles/CMakeTmp/src.c:2:12: fatal error: sys/event.h: No such file or directory 2 | #include | ^~~~~~~~~~~~~ compilation terminated. make[2]: *** [CMakeFiles/cmTC_8dd00.dir/build.make:66: CMakeFiles/cmTC_8dd00.dir/src.c.o] Error 1 make[2]: Leaving directory '/tmp/instance-0/output-1/build/monkey-f54856ce250c4e25735434dc75717a4b7fbfc45b/CMakeFiles/CMakeTmp' make[1]: *** [Makefile:121: cmTC_8dd00/fast] Error 2 make[1]: Leaving directory '/tmp/instance-0/output-1/build/monkey-f54856ce250c4e25735434dc75717a4b7fbfc45b/CMakeFiles/CMakeTmp' Source file was: #include int main() { return kqueue(); }