Determining if the pthread_create exist failed with the following output:
Change Dir: /mnt/sdb1/pub/slack-stuff/wesnoth-05-26-2015/wesnoth-1.12.2/build/CMakeFiles/CMakeTmp

Run Build Command:/usr/bin/gmake "cmTryCompileExec106396118/fast"
/usr/bin/gmake -f CMakeFiles/cmTryCompileExec106396118.dir/build.make CMakeFiles/cmTryCompileExec106396118.dir/build
gmake[1]: Entering directory `/mnt/sdb1/pub/slack-stuff/wesnoth-05-26-2015/wesnoth-1.12.2/build/CMakeFiles/CMakeTmp'
/usr/bin/cmake -E cmake_progress_report /mnt/sdb1/pub/slack-stuff/wesnoth-05-26-2015/wesnoth-1.12.2/build/CMakeFiles/CMakeTmp/CMakeFiles 1
Building C object CMakeFiles/cmTryCompileExec106396118.dir/CheckSymbolExists.c.o
/usr/bin/cc   -m64 -O3 -march=native -fPIC -flto=8    -o CMakeFiles/cmTryCompileExec106396118.dir/CheckSymbolExists.c.o   -c /mnt/sdb1/pub/slack-stuff/wesnoth-05-26-2015/wesnoth-1.12.2/build/CMakeFiles/CMakeTmp/CheckSymbolExists.c
Linking C executable cmTryCompileExec106396118
/usr/bin/cmake -E cmake_link_script CMakeFiles/cmTryCompileExec106396118.dir/link.txt --verbose=1
/usr/bin/cc  -m64 -O3 -march=native -fPIC -flto=8     CMakeFiles/cmTryCompileExec106396118.dir/CheckSymbolExists.c.o  -o cmTryCompileExec106396118 -rdynamic 
/tmp/cc93BmOn.ltrans0.ltrans.o: In function `main':
<artificial>:(.text.startup+0x3): undefined reference to `pthread_create'
collect2: error: ld returned 1 exit status
gmake[1]: *** [cmTryCompileExec106396118] Error 1
gmake[1]: Leaving directory `/mnt/sdb1/pub/slack-stuff/wesnoth-05-26-2015/wesnoth-1.12.2/build/CMakeFiles/CMakeTmp'
gmake: *** [cmTryCompileExec106396118/fast] Error 2

File /mnt/sdb1/pub/slack-stuff/wesnoth-05-26-2015/wesnoth-1.12.2/build/CMakeFiles/CMakeTmp/CheckSymbolExists.c:
/* */
#include <pthread.h>

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

Determining if the function pthread_create exists in the pthreads failed with the following output:
Change Dir: /mnt/sdb1/pub/slack-stuff/wesnoth-05-26-2015/wesnoth-1.12.2/build/CMakeFiles/CMakeTmp

Run Build Command:/usr/bin/gmake "cmTryCompileExec3592062651/fast"
/usr/bin/gmake -f CMakeFiles/cmTryCompileExec3592062651.dir/build.make CMakeFiles/cmTryCompileExec3592062651.dir/build
gmake[1]: Entering directory `/mnt/sdb1/pub/slack-stuff/wesnoth-05-26-2015/wesnoth-1.12.2/build/CMakeFiles/CMakeTmp'
/usr/bin/cmake -E cmake_progress_report /mnt/sdb1/pub/slack-stuff/wesnoth-05-26-2015/wesnoth-1.12.2/build/CMakeFiles/CMakeTmp/CMakeFiles 1
Building C object CMakeFiles/cmTryCompileExec3592062651.dir/CheckFunctionExists.c.o
/usr/bin/cc   -m64 -O3 -march=native -fPIC -flto=8 -DCHECK_FUNCTION_EXISTS=pthread_create   -o CMakeFiles/cmTryCompileExec3592062651.dir/CheckFunctionExists.c.o   -c /usr/share/cmake-2.8/Modules/CheckFunctionExists.c
Linking C executable cmTryCompileExec3592062651
/usr/bin/cmake -E cmake_link_script CMakeFiles/cmTryCompileExec3592062651.dir/link.txt --verbose=1
/usr/bin/cc  -m64 -O3 -march=native -fPIC -flto=8 -DCHECK_FUNCTION_EXISTS=pthread_create    CMakeFiles/cmTryCompileExec3592062651.dir/CheckFunctionExists.c.o  -o cmTryCompileExec3592062651 -rdynamic -lpthreads 
/usr/lib64/gcc/x86_64-slackware-linux/5.1.0/../../../../x86_64-slackware-linux/bin/ld: cannot find -lpthreads
collect2: error: ld returned 1 exit status
gmake[1]: *** [cmTryCompileExec3592062651] Error 1
gmake[1]: Leaving directory `/mnt/sdb1/pub/slack-stuff/wesnoth-05-26-2015/wesnoth-1.12.2/build/CMakeFiles/CMakeTmp'
gmake: *** [cmTryCompileExec3592062651/fast] Error 2


Performing C++ SOURCE FILE Test HAS_COMPILER_FLAG_QUNUSED_ARGUMENTS failed with the following output:
Change Dir: /mnt/sdb1/pub/slack-stuff/wesnoth-05-26-2015/wesnoth-1.12.2/build/CMakeFiles/CMakeTmp

Run Build Command:/usr/bin/gmake "cmTryCompileExec1909037717/fast"
/usr/bin/gmake -f CMakeFiles/cmTryCompileExec1909037717.dir/build.make CMakeFiles/cmTryCompileExec1909037717.dir/build
gmake[1]: Entering directory `/mnt/sdb1/pub/slack-stuff/wesnoth-05-26-2015/wesnoth-1.12.2/build/CMakeFiles/CMakeTmp'
/usr/bin/cmake -E cmake_progress_report /mnt/sdb1/pub/slack-stuff/wesnoth-05-26-2015/wesnoth-1.12.2/build/CMakeFiles/CMakeTmp/CMakeFiles 1
Building CXX object CMakeFiles/cmTryCompileExec1909037717.dir/src.cxx.o
/usr/bin/c++    -m64 -O3 -march=native -fPIC -flto=8 -DHAS_COMPILER_FLAG_QUNUSED_ARGUMENTS   -Qunused-arguments -o CMakeFiles/cmTryCompileExec1909037717.dir/src.cxx.o -c /mnt/sdb1/pub/slack-stuff/wesnoth-05-26-2015/wesnoth-1.12.2/build/CMakeFiles/CMakeTmp/src.cxx
c++: error: unrecognized command line option '-Qunused-arguments'
gmake[1]: *** [CMakeFiles/cmTryCompileExec1909037717.dir/src.cxx.o] Error 1
gmake[1]: Leaving directory `/mnt/sdb1/pub/slack-stuff/wesnoth-05-26-2015/wesnoth-1.12.2/build/CMakeFiles/CMakeTmp'
gmake: *** [cmTryCompileExec1909037717/fast] Error 2

Source file was:
int main() { return 0;}
Performing C++ SOURCE FILE Test HAS_COMPILER_FLAG_WMISMATCHED_TAGS failed with the following output:
Change Dir: /mnt/sdb1/pub/slack-stuff/wesnoth-05-26-2015/wesnoth-1.12.2/build/CMakeFiles/CMakeTmp

Run Build Command:/usr/bin/gmake "cmTryCompileExec494366195/fast"
/usr/bin/gmake -f CMakeFiles/cmTryCompileExec494366195.dir/build.make CMakeFiles/cmTryCompileExec494366195.dir/build
gmake[1]: Entering directory `/mnt/sdb1/pub/slack-stuff/wesnoth-05-26-2015/wesnoth-1.12.2/build/CMakeFiles/CMakeTmp'
/usr/bin/cmake -E cmake_progress_report /mnt/sdb1/pub/slack-stuff/wesnoth-05-26-2015/wesnoth-1.12.2/build/CMakeFiles/CMakeTmp/CMakeFiles 1
Building CXX object CMakeFiles/cmTryCompileExec494366195.dir/src.cxx.o
/usr/bin/c++    -m64 -O3 -march=native -fPIC -flto=8 -DHAS_COMPILER_FLAG_WMISMATCHED_TAGS   -Wmismatched-tags -o CMakeFiles/cmTryCompileExec494366195.dir/src.cxx.o -c /mnt/sdb1/pub/slack-stuff/wesnoth-05-26-2015/wesnoth-1.12.2/build/CMakeFiles/CMakeTmp/src.cxx
c++: error: unrecognized command line option '-Wmismatched-tags'
gmake[1]: *** [CMakeFiles/cmTryCompileExec494366195.dir/src.cxx.o] Error 1
gmake[1]: Leaving directory `/mnt/sdb1/pub/slack-stuff/wesnoth-05-26-2015/wesnoth-1.12.2/build/CMakeFiles/CMakeTmp'
gmake: *** [cmTryCompileExec494366195/fast] Error 2

Source file was:
int main() { return 0;}
Performing C++ SOURCE FILE Test HAS_COMPILER_FLAG_WNULL_CONVERSION failed with the following output:
Change Dir: /mnt/sdb1/pub/slack-stuff/wesnoth-05-26-2015/wesnoth-1.12.2/build/CMakeFiles/CMakeTmp

Run Build Command:/usr/bin/gmake "cmTryCompileExec1097715892/fast"
/usr/bin/gmake -f CMakeFiles/cmTryCompileExec1097715892.dir/build.make CMakeFiles/cmTryCompileExec1097715892.dir/build
gmake[1]: Entering directory `/mnt/sdb1/pub/slack-stuff/wesnoth-05-26-2015/wesnoth-1.12.2/build/CMakeFiles/CMakeTmp'
/usr/bin/cmake -E cmake_progress_report /mnt/sdb1/pub/slack-stuff/wesnoth-05-26-2015/wesnoth-1.12.2/build/CMakeFiles/CMakeTmp/CMakeFiles 1
Building CXX object CMakeFiles/cmTryCompileExec1097715892.dir/src.cxx.o
/usr/bin/c++    -m64 -O3 -march=native -fPIC -flto=8 -DHAS_COMPILER_FLAG_WNULL_CONVERSION   -Wnull-conversion -o CMakeFiles/cmTryCompileExec1097715892.dir/src.cxx.o -c /mnt/sdb1/pub/slack-stuff/wesnoth-05-26-2015/wesnoth-1.12.2/build/CMakeFiles/CMakeTmp/src.cxx
c++: error: unrecognized command line option '-Wnull-conversion'
gmake[1]: *** [CMakeFiles/cmTryCompileExec1097715892.dir/src.cxx.o] Error 1
gmake[1]: Leaving directory `/mnt/sdb1/pub/slack-stuff/wesnoth-05-26-2015/wesnoth-1.12.2/build/CMakeFiles/CMakeTmp'
gmake: *** [cmTryCompileExec1097715892/fast] Error 2

Source file was:
int main() { return 0;}
Performing C++ SOURCE FILE Test HAS_COMPILER_FLAG_WDEPRECATED_REGISTER failed with the following output:
Change Dir: /mnt/sdb1/pub/slack-stuff/wesnoth-05-26-2015/wesnoth-1.12.2/build/CMakeFiles/CMakeTmp

Run Build Command:/usr/bin/gmake "cmTryCompileExec1877530365/fast"
/usr/bin/gmake -f CMakeFiles/cmTryCompileExec1877530365.dir/build.make CMakeFiles/cmTryCompileExec1877530365.dir/build
gmake[1]: Entering directory `/mnt/sdb1/pub/slack-stuff/wesnoth-05-26-2015/wesnoth-1.12.2/build/CMakeFiles/CMakeTmp'
/usr/bin/cmake -E cmake_progress_report /mnt/sdb1/pub/slack-stuff/wesnoth-05-26-2015/wesnoth-1.12.2/build/CMakeFiles/CMakeTmp/CMakeFiles 1
Building CXX object CMakeFiles/cmTryCompileExec1877530365.dir/src.cxx.o
/usr/bin/c++    -m64 -O3 -march=native -fPIC -flto=8 -DHAS_COMPILER_FLAG_WDEPRECATED_REGISTER   -Wdeprecated-register -o CMakeFiles/cmTryCompileExec1877530365.dir/src.cxx.o -c /mnt/sdb1/pub/slack-stuff/wesnoth-05-26-2015/wesnoth-1.12.2/build/CMakeFiles/CMakeTmp/src.cxx
c++: error: unrecognized command line option '-Wdeprecated-register'
gmake[1]: *** [CMakeFiles/cmTryCompileExec1877530365.dir/src.cxx.o] Error 1
gmake[1]: Leaving directory `/mnt/sdb1/pub/slack-stuff/wesnoth-05-26-2015/wesnoth-1.12.2/build/CMakeFiles/CMakeTmp'
gmake: *** [cmTryCompileExec1877530365/fast] Error 2

Source file was:
int main() { return 0;}
Performing C++ SOURCE FILE Test HAS_COMPILER_FLAG_WDOCUMENTATION failed with the following output:
Change Dir: /mnt/sdb1/pub/slack-stuff/wesnoth-05-26-2015/wesnoth-1.12.2/build/CMakeFiles/CMakeTmp

Run Build Command:/usr/bin/gmake "cmTryCompileExec3744235182/fast"
/usr/bin/gmake -f CMakeFiles/cmTryCompileExec3744235182.dir/build.make CMakeFiles/cmTryCompileExec3744235182.dir/build
gmake[1]: Entering directory `/mnt/sdb1/pub/slack-stuff/wesnoth-05-26-2015/wesnoth-1.12.2/build/CMakeFiles/CMakeTmp'
/usr/bin/cmake -E cmake_progress_report /mnt/sdb1/pub/slack-stuff/wesnoth-05-26-2015/wesnoth-1.12.2/build/CMakeFiles/CMakeTmp/CMakeFiles 1
Building CXX object CMakeFiles/cmTryCompileExec3744235182.dir/src.cxx.o
/usr/bin/c++    -m64 -O3 -march=native -fPIC -flto=8 -DHAS_COMPILER_FLAG_WDOCUMENTATION   -Wdocumentation -o CMakeFiles/cmTryCompileExec3744235182.dir/src.cxx.o -c /mnt/sdb1/pub/slack-stuff/wesnoth-05-26-2015/wesnoth-1.12.2/build/CMakeFiles/CMakeTmp/src.cxx
c++: error: unrecognized command line option '-Wdocumentation'
gmake[1]: *** [CMakeFiles/cmTryCompileExec3744235182.dir/src.cxx.o] Error 1
gmake[1]: Leaving directory `/mnt/sdb1/pub/slack-stuff/wesnoth-05-26-2015/wesnoth-1.12.2/build/CMakeFiles/CMakeTmp'
gmake: *** [cmTryCompileExec3744235182/fast] Error 2

Source file was:
int main() { return 0;}
Performing C++ SOURCE FILE Test HAS_COMPILER_FLAG_WEXTRA_SEMI failed with the following output:
Change Dir: /mnt/sdb1/pub/slack-stuff/wesnoth-05-26-2015/wesnoth-1.12.2/build/CMakeFiles/CMakeTmp

Run Build Command:/usr/bin/gmake "cmTryCompileExec4112504371/fast"
/usr/bin/gmake -f CMakeFiles/cmTryCompileExec4112504371.dir/build.make CMakeFiles/cmTryCompileExec4112504371.dir/build
gmake[1]: Entering directory `/mnt/sdb1/pub/slack-stuff/wesnoth-05-26-2015/wesnoth-1.12.2/build/CMakeFiles/CMakeTmp'
/usr/bin/cmake -E cmake_progress_report /mnt/sdb1/pub/slack-stuff/wesnoth-05-26-2015/wesnoth-1.12.2/build/CMakeFiles/CMakeTmp/CMakeFiles 1
Building CXX object CMakeFiles/cmTryCompileExec4112504371.dir/src.cxx.o
/usr/bin/c++    -m64 -O3 -march=native -fPIC -flto=8 -DHAS_COMPILER_FLAG_WEXTRA_SEMI   -Wextra-semi -o CMakeFiles/cmTryCompileExec4112504371.dir/src.cxx.o -c /mnt/sdb1/pub/slack-stuff/wesnoth-05-26-2015/wesnoth-1.12.2/build/CMakeFiles/CMakeTmp/src.cxx
c++: error: unrecognized command line option '-Wextra-semi'
gmake[1]: *** [CMakeFiles/cmTryCompileExec4112504371.dir/src.cxx.o] Error 1
gmake[1]: Leaving directory `/mnt/sdb1/pub/slack-stuff/wesnoth-05-26-2015/wesnoth-1.12.2/build/CMakeFiles/CMakeTmp'
gmake: *** [cmTryCompileExec4112504371/fast] Error 2

Source file was:
int main() { return 0;}
Performing C++ SOURCE FILE Test HAS_COMPILER_FLAG_WCONDITIONAL_INITIALIZED failed with the following output:
Change Dir: /mnt/sdb1/pub/slack-stuff/wesnoth-05-26-2015/wesnoth-1.12.2/build/CMakeFiles/CMakeTmp

Run Build Command:/usr/bin/gmake "cmTryCompileExec254051813/fast"
/usr/bin/gmake -f CMakeFiles/cmTryCompileExec254051813.dir/build.make CMakeFiles/cmTryCompileExec254051813.dir/build
gmake[1]: Entering directory `/mnt/sdb1/pub/slack-stuff/wesnoth-05-26-2015/wesnoth-1.12.2/build/CMakeFiles/CMakeTmp'
/usr/bin/cmake -E cmake_progress_report /mnt/sdb1/pub/slack-stuff/wesnoth-05-26-2015/wesnoth-1.12.2/build/CMakeFiles/CMakeTmp/CMakeFiles 1
Building CXX object CMakeFiles/cmTryCompileExec254051813.dir/src.cxx.o
/usr/bin/c++    -m64 -O3 -march=native -fPIC -flto=8 -DHAS_COMPILER_FLAG_WCONDITIONAL_INITIALIZED   -Wconditional-uninitialized -o CMakeFiles/cmTryCompileExec254051813.dir/src.cxx.o -c /mnt/sdb1/pub/slack-stuff/wesnoth-05-26-2015/wesnoth-1.12.2/build/CMakeFiles/CMakeTmp/src.cxx
c++: error: unrecognized command line option '-Wconditional-uninitialized'
gmake[1]: *** [CMakeFiles/cmTryCompileExec254051813.dir/src.cxx.o] Error 1
gmake[1]: Leaving directory `/mnt/sdb1/pub/slack-stuff/wesnoth-05-26-2015/wesnoth-1.12.2/build/CMakeFiles/CMakeTmp'
gmake: *** [cmTryCompileExec254051813/fast] Error 2

Source file was:
int main() { return 0;}
Determining if the fribidi_utf8_to_unicode exist failed with the following output:
Change Dir: /mnt/sdb1/pub/slack-stuff/wesnoth-05-26-2015/wesnoth-1.12.2/build/CMakeFiles/CMakeTmp

Run Build Command:/usr/bin/gmake "cmTryCompileExec1754334477/fast"
/usr/bin/gmake -f CMakeFiles/cmTryCompileExec1754334477.dir/build.make CMakeFiles/cmTryCompileExec1754334477.dir/build
gmake[1]: Entering directory `/mnt/sdb1/pub/slack-stuff/wesnoth-05-26-2015/wesnoth-1.12.2/build/CMakeFiles/CMakeTmp'
/usr/bin/cmake -E cmake_progress_report /mnt/sdb1/pub/slack-stuff/wesnoth-05-26-2015/wesnoth-1.12.2/build/CMakeFiles/CMakeTmp/CMakeFiles 1
Building C object CMakeFiles/cmTryCompileExec1754334477.dir/CheckSymbolExists.c.o
/usr/bin/cc   -m64 -O3 -march=native -fPIC -flto=8  -I/usr/include/fribidi    -o CMakeFiles/cmTryCompileExec1754334477.dir/CheckSymbolExists.c.o   -c /mnt/sdb1/pub/slack-stuff/wesnoth-05-26-2015/wesnoth-1.12.2/build/CMakeFiles/CMakeTmp/CheckSymbolExists.c
/mnt/sdb1/pub/slack-stuff/wesnoth-05-26-2015/wesnoth-1.12.2/build/CMakeFiles/CMakeTmp/CheckSymbolExists.c: In function 'main':
/mnt/sdb1/pub/slack-stuff/wesnoth-05-26-2015/wesnoth-1.12.2/build/CMakeFiles/CMakeTmp/CheckSymbolExists.c:8:19: error: 'fribidi_utf8_to_unicode' undeclared (first use in this function)
   return ((int*)(&fribidi_utf8_to_unicode))[argc];
                   ^
/mnt/sdb1/pub/slack-stuff/wesnoth-05-26-2015/wesnoth-1.12.2/build/CMakeFiles/CMakeTmp/CheckSymbolExists.c:8:19: note: each undeclared identifier is reported only once for each function it appears in
gmake[1]: *** [CMakeFiles/cmTryCompileExec1754334477.dir/CheckSymbolExists.c.o] Error 1
gmake[1]: Leaving directory `/mnt/sdb1/pub/slack-stuff/wesnoth-05-26-2015/wesnoth-1.12.2/build/CMakeFiles/CMakeTmp'
gmake: *** [cmTryCompileExec1754334477/fast] Error 2

File /mnt/sdb1/pub/slack-stuff/wesnoth-05-26-2015/wesnoth-1.12.2/build/CMakeFiles/CMakeTmp/CheckSymbolExists.c:
/* */
#include <fribidi.h>

int main(int argc, char** argv)
{
  (void)argv;
#ifndef fribidi_utf8_to_unicode
  return ((int*)(&fribidi_utf8_to_unicode))[argc];
#else
  (void)argc;
  return 0;
#endif
}

Determining if the FRIBIDI_CHAR_SET_UTF8 exist failed with the following output:
Change Dir: /mnt/sdb1/pub/slack-stuff/wesnoth-05-26-2015/wesnoth-1.12.2/build/CMakeFiles/CMakeTmp

Run Build Command:/usr/bin/gmake "cmTryCompileExec2658790811/fast"
/usr/bin/gmake -f CMakeFiles/cmTryCompileExec2658790811.dir/build.make CMakeFiles/cmTryCompileExec2658790811.dir/build
gmake[1]: Entering directory `/mnt/sdb1/pub/slack-stuff/wesnoth-05-26-2015/wesnoth-1.12.2/build/CMakeFiles/CMakeTmp'
/usr/bin/cmake -E cmake_progress_report /mnt/sdb1/pub/slack-stuff/wesnoth-05-26-2015/wesnoth-1.12.2/build/CMakeFiles/CMakeTmp/CMakeFiles 1
Building C object CMakeFiles/cmTryCompileExec2658790811.dir/CheckSymbolExists.c.o
/usr/bin/cc   -m64 -O3 -march=native -fPIC -flto=8  -I/usr/include/fribidi    -o CMakeFiles/cmTryCompileExec2658790811.dir/CheckSymbolExists.c.o   -c /mnt/sdb1/pub/slack-stuff/wesnoth-05-26-2015/wesnoth-1.12.2/build/CMakeFiles/CMakeTmp/CheckSymbolExists.c
/mnt/sdb1/pub/slack-stuff/wesnoth-05-26-2015/wesnoth-1.12.2/build/CMakeFiles/CMakeTmp/CheckSymbolExists.c: In function 'main':
/mnt/sdb1/pub/slack-stuff/wesnoth-05-26-2015/wesnoth-1.12.2/build/CMakeFiles/CMakeTmp/CheckSymbolExists.c:8:18: error: lvalue required as unary '&' operand
   return ((int*)(&FRIBIDI_CHAR_SET_UTF8))[argc];
                  ^
gmake[1]: *** [CMakeFiles/cmTryCompileExec2658790811.dir/CheckSymbolExists.c.o] Error 1
gmake[1]: Leaving directory `/mnt/sdb1/pub/slack-stuff/wesnoth-05-26-2015/wesnoth-1.12.2/build/CMakeFiles/CMakeTmp'
gmake: *** [cmTryCompileExec2658790811/fast] Error 2

File /mnt/sdb1/pub/slack-stuff/wesnoth-05-26-2015/wesnoth-1.12.2/build/CMakeFiles/CMakeTmp/CheckSymbolExists.c:
/* */
#include <fribidi.h>

int main(int argc, char** argv)
{
  (void)argv;
#ifndef FRIBIDI_CHAR_SET_UTF8
  return ((int*)(&FRIBIDI_CHAR_SET_UTF8))[argc];
#else
  (void)argc;
  return 0;
#endif
}