Performing C++ SOURCE FILE Test CXX_WARN_MISSING_VARIABLE_DECLARATIONS failed with the following output:
Change Dir: /var/tmp/portage/games-simulation/openrct2-0.2.1/work/openrct2-0.2.1_build/CMakeFiles/CMakeTmp

Run Build Command(s):/usr/bin/gmake cmTC_8f6f1/fast 
/usr/bin/gmake -f CMakeFiles/cmTC_8f6f1.dir/build.make CMakeFiles/cmTC_8f6f1.dir/build
gmake[1]: Entering directory '/var/tmp/portage/games-simulation/openrct2-0.2.1/work/openrct2-0.2.1_build/CMakeFiles/CMakeTmp'
Building CXX object CMakeFiles/cmTC_8f6f1.dir/src.cxx.o
/usr/bin/x86_64-pc-linux-gnu-g++    -DNDEBUG -O2 -pipe -march=native -Wnull-dereference -Wsuggest-final-types -Wsuggest-final-methods -Wsuggest-override -Wduplicated-cond -Wnon-virtual-dtor -DCXX_WARN_MISSING_VARIABLE_DECLARATIONS   -Wmissing-variable-declarations -std=gnu++17 -o CMakeFiles/cmTC_8f6f1.dir/src.cxx.o -c /var/tmp/portage/games-simulation/openrct2-0.2.1/work/openrct2-0.2.1_build/CMakeFiles/CMakeTmp/src.cxx
x86_64-pc-linux-gnu-g++: error: unrecognized command line option '-Wmissing-variable-declarations'; did you mean '-Wmissing-declarations'?
gmake[1]: *** [CMakeFiles/cmTC_8f6f1.dir/build.make:66: CMakeFiles/cmTC_8f6f1.dir/src.cxx.o] Error 1
gmake[1]: Leaving directory '/var/tmp/portage/games-simulation/openrct2-0.2.1/work/openrct2-0.2.1_build/CMakeFiles/CMakeTmp'
gmake: *** [Makefile:121: cmTC_8f6f1/fast] Error 2

Source file was:
int main() { return 0; }
Performing C++ SOURCE FILE Test CXX_WARN_UNREACHABLE_CODE_BREAK failed with the following output:
Change Dir: /var/tmp/portage/games-simulation/openrct2-0.2.1/work/openrct2-0.2.1_build/CMakeFiles/CMakeTmp

Run Build Command(s):/usr/bin/gmake cmTC_7e67b/fast 
/usr/bin/gmake -f CMakeFiles/cmTC_7e67b.dir/build.make CMakeFiles/cmTC_7e67b.dir/build
gmake[1]: Entering directory '/var/tmp/portage/games-simulation/openrct2-0.2.1/work/openrct2-0.2.1_build/CMakeFiles/CMakeTmp'
Building CXX object CMakeFiles/cmTC_7e67b.dir/src.cxx.o
/usr/bin/x86_64-pc-linux-gnu-g++    -DNDEBUG -O2 -pipe -march=native -Wnull-dereference -Wsuggest-final-types -Wsuggest-final-methods -Wsuggest-override -Wduplicated-cond -Wnon-virtual-dtor -Wduplicated-branches -Wrestrict -Wmissing-field-initializers -DCXX_WARN_UNREACHABLE_CODE_BREAK   -Wunreachable-code-break -std=gnu++17 -o CMakeFiles/cmTC_7e67b.dir/src.cxx.o -c /var/tmp/portage/games-simulation/openrct2-0.2.1/work/openrct2-0.2.1_build/CMakeFiles/CMakeTmp/src.cxx
x86_64-pc-linux-gnu-g++: error: unrecognized command line option '-Wunreachable-code-break'; did you mean '-Wunreachable-code'?
gmake[1]: *** [CMakeFiles/cmTC_7e67b.dir/build.make:66: CMakeFiles/cmTC_7e67b.dir/src.cxx.o] Error 1
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gmake: *** [Makefile:121: cmTC_7e67b/fast] Error 2

Source file was:
int main() { return 0; }
Performing C++ SOURCE FILE Test CXX_WARN_RANGE_LOOP_ANALYSIS failed with the following output:
Change Dir: /var/tmp/portage/games-simulation/openrct2-0.2.1/work/openrct2-0.2.1_build/CMakeFiles/CMakeTmp

Run Build Command(s):/usr/bin/gmake cmTC_fcec8/fast 
/usr/bin/gmake -f CMakeFiles/cmTC_fcec8.dir/build.make CMakeFiles/cmTC_fcec8.dir/build
gmake[1]: Entering directory '/var/tmp/portage/games-simulation/openrct2-0.2.1/work/openrct2-0.2.1_build/CMakeFiles/CMakeTmp'
Building CXX object CMakeFiles/cmTC_fcec8.dir/src.cxx.o
/usr/bin/x86_64-pc-linux-gnu-g++    -DNDEBUG -O2 -pipe -march=native -Wnull-dereference -Wsuggest-final-types -Wsuggest-final-methods -Wsuggest-override -Wduplicated-cond -Wnon-virtual-dtor -Wduplicated-branches -Wrestrict -Wmissing-field-initializers -Wlogical-op -DCXX_WARN_RANGE_LOOP_ANALYSIS   -Wrange-loop-analysis -std=gnu++17 -o CMakeFiles/cmTC_fcec8.dir/src.cxx.o -c /var/tmp/portage/games-simulation/openrct2-0.2.1/work/openrct2-0.2.1_build/CMakeFiles/CMakeTmp/src.cxx
x86_64-pc-linux-gnu-g++: error: unrecognized command line option '-Wrange-loop-analysis'
gmake[1]: *** [CMakeFiles/cmTC_fcec8.dir/build.make:66: CMakeFiles/cmTC_fcec8.dir/src.cxx.o] Error 1
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gmake: *** [Makefile:121: cmTC_fcec8/fast] Error 2

Source file was:
int main() { return 0; }
Performing C++ SOURCE FILE Test CXX_WARN_TAUTOLOGICAL_ZERO_COMPARE failed with the following output:
Change Dir: /var/tmp/portage/games-simulation/openrct2-0.2.1/work/openrct2-0.2.1_build/CMakeFiles/CMakeTmp

Run Build Command(s):/usr/bin/gmake cmTC_d0397/fast 
/usr/bin/gmake -f CMakeFiles/cmTC_d0397.dir/build.make CMakeFiles/cmTC_d0397.dir/build
gmake[1]: Entering directory '/var/tmp/portage/games-simulation/openrct2-0.2.1/work/openrct2-0.2.1_build/CMakeFiles/CMakeTmp'
Building CXX object CMakeFiles/cmTC_d0397.dir/src.cxx.o
/usr/bin/x86_64-pc-linux-gnu-g++    -DNDEBUG -O2 -pipe -march=native -Wnull-dereference -Wsuggest-final-types -Wsuggest-final-methods -Wsuggest-override -Wduplicated-cond -Wnon-virtual-dtor -Wduplicated-branches -Wrestrict -Wmissing-field-initializers -Wlogical-op -DCXX_WARN_TAUTOLOGICAL_ZERO_COMPARE   -Wtautological-unsigned-zero-compare -std=gnu++17 -o CMakeFiles/cmTC_d0397.dir/src.cxx.o -c /var/tmp/portage/games-simulation/openrct2-0.2.1/work/openrct2-0.2.1_build/CMakeFiles/CMakeTmp/src.cxx
x86_64-pc-linux-gnu-g++: error: unrecognized command line option '-Wtautological-unsigned-zero-compare'
gmake[1]: *** [CMakeFiles/cmTC_d0397.dir/build.make:66: CMakeFiles/cmTC_d0397.dir/src.cxx.o] Error 1
gmake[1]: Leaving directory '/var/tmp/portage/games-simulation/openrct2-0.2.1/work/openrct2-0.2.1_build/CMakeFiles/CMakeTmp'
gmake: *** [Makefile:121: cmTC_d0397/fast] Error 2

Source file was:
int main() { return 0; }
Determining if the pthread_create exist failed with the following output:
Change Dir: /var/tmp/portage/games-simulation/openrct2-0.2.1/work/openrct2-0.2.1_build/CMakeFiles/CMakeTmp

Run Build Command(s):/usr/bin/gmake cmTC_cf135/fast 
/usr/bin/gmake -f CMakeFiles/cmTC_cf135.dir/build.make CMakeFiles/cmTC_cf135.dir/build
gmake[1]: Entering directory '/var/tmp/portage/games-simulation/openrct2-0.2.1/work/openrct2-0.2.1_build/CMakeFiles/CMakeTmp'
Building CXX object CMakeFiles/cmTC_cf135.dir/CheckSymbolExists.cxx.o
/usr/bin/x86_64-pc-linux-gnu-g++    -DNDEBUG -O2 -pipe -march=native -Wnull-dereference -Wsuggest-final-types -Wsuggest-final-methods -Wsuggest-override -Wduplicated-cond -Wnon-virtual-dtor -Wduplicated-branches -Wrestrict -Wmissing-field-initializers -Wlogical-op -Wredundant-decls -Wignored-qualifiers -fstrict-overflow -Wstrict-overflow=1 -fstrict-aliasing  -Wundef -Wmissing-declarations -Winit-self -Wall -Wno-unknown-pragmas -Wno-missing-braces  -Wno-comment -Wshadow -Wnonnull -DDEBUG=0  -fPIE   -o CMakeFiles/cmTC_cf135.dir/CheckSymbolExists.cxx.o -c /var/tmp/portage/games-simulation/openrct2-0.2.1/work/openrct2-0.2.1_build/CMakeFiles/CMakeTmp/CheckSymbolExists.cxx
Linking CXX executable cmTC_cf135
/usr/bin/cmake -E cmake_link_script CMakeFiles/cmTC_cf135.dir/link.txt --verbose=1
/usr/bin/x86_64-pc-linux-gnu-g++  -O2 -pipe -march=native -Wnull-dereference -Wsuggest-final-types -Wsuggest-final-methods -Wsuggest-override -Wduplicated-cond -Wnon-virtual-dtor -Wduplicated-branches -Wrestrict -Wmissing-field-initializers -Wlogical-op -Wredundant-decls -Wignored-qualifiers -fstrict-overflow -Wstrict-overflow=1 -fstrict-aliasing  -Wundef -Wmissing-declarations -Winit-self -Wall -Wno-unknown-pragmas -Wno-missing-braces  -Wno-comment -Wshadow -Wnonnull -DDEBUG=0   -Wl,-O1 -Wl,--as-needed  CMakeFiles/cmTC_cf135.dir/CheckSymbolExists.cxx.o  -o cmTC_cf135 
/usr/lib/gcc/x86_64-pc-linux-gnu/9.1.0/../../../../x86_64-pc-linux-gnu/bin/ld: CMakeFiles/cmTC_cf135.dir/CheckSymbolExists.cxx.o: in function `main':
CheckSymbolExists.cxx:(.text.startup+0x3): undefined reference to `pthread_create'
collect2: error: ld returned 1 exit status
gmake[1]: *** [CMakeFiles/cmTC_cf135.dir/build.make:87: cmTC_cf135] Error 1
gmake[1]: Leaving directory '/var/tmp/portage/games-simulation/openrct2-0.2.1/work/openrct2-0.2.1_build/CMakeFiles/CMakeTmp'
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File /var/tmp/portage/games-simulation/openrct2-0.2.1/work/openrct2-0.2.1_build/CMakeFiles/CMakeTmp/CheckSymbolExists.cxx:
/* */
#include <pthread.h>

int main(int argc, char** argv)
{
  (void)argv;
#ifndef pthread_create
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#else
  (void)argc;
  return 0;
#endif
}