Ticket #51471: CMakeError.log

Determining if the include file pthread.h exists failed with the following output:
Change Dir: /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_tarballs_ports_textproc_doxygen/doxygen/work/doxygen-1.8.10/CMakeFiles/CMakeTmp

Run Build Command:"/usr/bin/make" "cmTC_5b4ec/fast"
/Applications/Xcode.app/Contents/Developer/usr/bin/make -f CMakeFiles/cmTC_5b4ec.dir/build.make CMakeFiles/cmTC_5b4ec.dir/build
Building C object CMakeFiles/cmTC_5b4ec.dir/CheckIncludeFile.c.o
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang    -pipe -Os   -arch x86_64 -mmacosx-version-min=10.11   -o CMakeFiles/cmTC_5b4ec.dir/CheckIncludeFile.c.o   -c /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_tarballs_ports_textproc_doxygen/doxygen/work/doxygen-1.8.10/CMakeFiles/CMakeTmp/CheckIncludeFile.c
/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_tarballs_ports_textproc_doxygen/doxygen/work/doxygen-1.8.10/CMakeFiles/CMakeTmp/CheckIncludeFile.c:1:10: fatal error: 'pthread.h' file not found
#include <pthread.h>
         ^
1 error generated.
make[1]: *** [CMakeFiles/cmTC_5b4ec.dir/CheckIncludeFile.c.o] Error 1
make: *** [cmTC_5b4ec/fast] Error 2


Determining if the function iconv_open exists failed with the following output:
Change Dir: /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_tarballs_ports_textproc_doxygen/doxygen/work/doxygen-1.8.10/CMakeFiles/CMakeTmp

Run Build Command:"/usr/bin/make" "cmTC_2e09a/fast"
/Applications/Xcode.app/Contents/Developer/usr/bin/make -f CMakeFiles/cmTC_2e09a.dir/build.make CMakeFiles/cmTC_2e09a.dir/build
Building C object CMakeFiles/cmTC_2e09a.dir/CheckFunctionExists.c.o
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang   -I/opt/local/include  -pipe -Os  -DCHECK_FUNCTION_EXISTS=iconv_open -arch x86_64 -mmacosx-version-min=10.11   -o CMakeFiles/cmTC_2e09a.dir/CheckFunctionExists.c.o   -c /opt/local/share/cmake-3.5/Modules/CheckFunctionExists.c
Linking C executable cmTC_2e09a
/opt/local/bin/cmake -E cmake_link_script CMakeFiles/cmTC_2e09a.dir/link.txt --verbose=1
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang  -pipe -Os  -DCHECK_FUNCTION_EXISTS=iconv_open -arch x86_64 -mmacosx-version-min=10.11 -Wl,-search_paths_first -Wl,-headerpad_max_install_names  -L/opt/local/lib -Wl,-headerpad_max_install_names  CMakeFiles/cmTC_2e09a.dir/CheckFunctionExists.c.o  -o cmTC_2e09a  
Undefined symbols for architecture x86_64:
  "_iconv_open", 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)
make[1]: *** [cmTC_2e09a] Error 1
make: *** [cmTC_2e09a/fast] Error 2


Performing C++ SOURCE FILE Test ICONV_COMPILES failed with the following output:
Change Dir: /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_tarballs_ports_textproc_doxygen/doxygen/work/doxygen-1.8.10/CMakeFiles/CMakeTmp

Run Build Command:"/usr/bin/make" "cmTC_7f03f/fast"
/Applications/Xcode.app/Contents/Developer/usr/bin/make -f CMakeFiles/cmTC_7f03f.dir/build.make CMakeFiles/cmTC_7f03f.dir/build
Building CXX object CMakeFiles/cmTC_7f03f.dir/src.cxx.o
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang++    -I/opt/local/include  -pipe -Os -stdlib=libc++  -DICONV_COMPILES -arch x86_64 -mmacosx-version-min=10.11   -o CMakeFiles/cmTC_7f03f.dir/src.cxx.o -c /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_tarballs_ports_textproc_doxygen/doxygen/work/doxygen-1.8.10/CMakeFiles/CMakeTmp/src.cxx
In file included from /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_tarballs_ports_textproc_doxygen/doxygen/work/doxygen-1.8.10/CMakeFiles/CMakeTmp/src.cxx:1:
/opt/local/include/iconv.h:54:10: fatal error: 'errno.h' file not found
#include <errno.h>
         ^
1 error generated.
make[1]: *** [CMakeFiles/cmTC_7f03f.dir/src.cxx.o] Error 1
make: *** [cmTC_7f03f/fast] Error 2

Source file was:
#include <iconv.h>
     int main() {
        iconv(iconv_t(-1), 0, 0, 0, 0);
     }