Ticket #57043: CMakeError.log

Determining if the function getline exists failed with the following output:
Change Dir: /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_math_metis/metis/work/metis-5.1.0/CMakeFiles/CMakeTmp

Run Build Command:"/opt/local/bin/gmake" "cmTC_d8684/fast"
/opt/local/bin/gmake -f CMakeFiles/cmTC_d8684.dir/build.make CMakeFiles/cmTC_d8684.dir/build
gmake[1]: Entering directory '/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_math_metis/metis/work/metis-5.1.0/CMakeFiles/CMakeTmp'
Building C object CMakeFiles/cmTC_d8684.dir/CheckFunctionExists.c.o
/opt/local/bin/clang-mp-3.9   -pipe -Os -DCHECK_FUNCTION_EXISTS=getline -arch x86_64 -mmacosx-version-min=10.6   -o CMakeFiles/cmTC_d8684.dir/CheckFunctionExists.c.o   -c /opt/local/share/cmake-3.12/Modules/CheckFunctionExists.c
Linking C executable cmTC_d8684
/opt/local/bin/cmake -E cmake_link_script CMakeFiles/cmTC_d8684.dir/link.txt --verbose=1
/opt/local/bin/clang-mp-3.9 -pipe -Os -DCHECK_FUNCTION_EXISTS=getline -arch x86_64 -mmacosx-version-min=10.6 -Wl,-search_paths_first -Wl,-headerpad_max_install_names -L/opt/local/lib -Wl,-headerpad_max_install_names  CMakeFiles/cmTC_d8684.dir/CheckFunctionExists.c.o  -o cmTC_d8684 
Undefined symbols for architecture x86_64:
  "_getline", referenced from:
      _main in CheckFunctionExists.c.o
ld: symbol(s) not found for architecture x86_64
clang: error: linker command failed with exit code 1 (use -v to see invocation)
gmake[1]: *** [CMakeFiles/cmTC_d8684.dir/build.make:87: cmTC_d8684] Error 1
gmake[1]: Leaving directory '/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_math_metis/metis/work/metis-5.1.0/CMakeFiles/CMakeTmp'
gmake: *** [Makefile:121: cmTC_d8684/fast] Error 2


Performing C SOURCE FILE Test HAVE__thread failed with the following compile output:
Change Dir: /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_math_metis/metis/work/metis-5.1.0/CMakeFiles/CMakeTmp

Run Build Command:"/opt/local/bin/gmake" "cmTC_2ec41/fast"
/opt/local/bin/gmake -f CMakeFiles/cmTC_2ec41.dir/build.make CMakeFiles/cmTC_2ec41.dir/build
gmake[1]: Entering directory '/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_math_metis/metis/work/metis-5.1.0/CMakeFiles/CMakeTmp'
Building C object CMakeFiles/cmTC_2ec41.dir/src.c.o
/opt/local/bin/clang-mp-3.9   -pipe -Os -DHAVE__thread -arch x86_64 -mmacosx-version-min=10.6   -o CMakeFiles/cmTC_2ec41.dir/src.c.o   -c /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_math_metis/metis/work/metis-5.1.0/CMakeFiles/CMakeTmp/src.c
/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_math_metis/metis/work/metis-5.1.0/CMakeFiles/CMakeTmp/src.c:1:1: error: thread-local storage is not supported for the current target
__thread int x; int main() {x=0; return x;}
^
1 error generated.
gmake[1]: *** [CMakeFiles/cmTC_2ec41.dir/build.make:66: CMakeFiles/cmTC_2ec41.dir/src.c.o] Error 1
gmake[1]: Leaving directory '/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_math_metis/metis/work/metis-5.1.0/CMakeFiles/CMakeTmp'
gmake: *** [Makefile:121: cmTC_2ec41/fast] Error 2

...and run output:

Return value: 1
Source file was:
__thread int x; int main() {x=0; return x;}