Determining if the pthread_create exist failed with the following output:
Change Dir: /var/uhubuild/work/compile/build/CMakeFiles/CMakeTmp

Run Build Command:/usr/bin/make "cmTryCompileExec1456693790/fast"
/usr/bin/make -f CMakeFiles/cmTryCompileExec1456693790.dir/build.make CMakeFiles/cmTryCompileExec1456693790.dir/build
make[1]: Entering directory `/var/uhubuild/work/compile/build/CMakeFiles/CMakeTmp'
/usr/bin/cmake -E cmake_progress_report /var/uhubuild/work/compile/build/CMakeFiles/CMakeTmp/CMakeFiles 1
Building C object CMakeFiles/cmTryCompileExec1456693790.dir/CheckSymbolExists.c.o
/usr/lib/ccache/cc    -o CMakeFiles/cmTryCompileExec1456693790.dir/CheckSymbolExists.c.o   -c /var/uhubuild/work/compile/build/CMakeFiles/CMakeTmp/CheckSymbolExists.c
Linking C executable cmTryCompileExec1456693790
/usr/bin/cmake -E cmake_link_script CMakeFiles/cmTryCompileExec1456693790.dir/link.txt --verbose=1
/usr/lib/ccache/cc       CMakeFiles/cmTryCompileExec1456693790.dir/CheckSymbolExists.c.o  -o cmTryCompileExec1456693790 -rdynamic 
CMakeFiles/cmTryCompileExec1456693790.dir/CheckSymbolExists.c.o: In function `main':
CheckSymbolExists.c:(.text+0xa): undefined reference to `pthread_create'
collect2: error: ld returned 1 exit status
make[1]: Leaving directory `/var/uhubuild/work/compile/build/CMakeFiles/CMakeTmp'
make[1]: *** [cmTryCompileExec1456693790] Error 1
make: *** [cmTryCompileExec1456693790/fast] Error 2

File /var/uhubuild/work/compile/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: /var/uhubuild/work/compile/build/CMakeFiles/CMakeTmp

Run Build Command:/usr/bin/make "cmTryCompileExec630304161/fast"
/usr/bin/make -f CMakeFiles/cmTryCompileExec630304161.dir/build.make CMakeFiles/cmTryCompileExec630304161.dir/build
make[1]: Entering directory `/var/uhubuild/work/compile/build/CMakeFiles/CMakeTmp'
/usr/bin/cmake -E cmake_progress_report /var/uhubuild/work/compile/build/CMakeFiles/CMakeTmp/CMakeFiles 1
Building C object CMakeFiles/cmTryCompileExec630304161.dir/CheckFunctionExists.c.o
/usr/lib/ccache/cc   -DCHECK_FUNCTION_EXISTS=pthread_create   -o CMakeFiles/cmTryCompileExec630304161.dir/CheckFunctionExists.c.o   -c /usr/share/cmake-2.8/Modules/CheckFunctionExists.c
Linking C executable cmTryCompileExec630304161
/usr/bin/cmake -E cmake_link_script CMakeFiles/cmTryCompileExec630304161.dir/link.txt --verbose=1
/usr/lib/ccache/cc   -DCHECK_FUNCTION_EXISTS=pthread_create    CMakeFiles/cmTryCompileExec630304161.dir/CheckFunctionExists.c.o  -o cmTryCompileExec630304161 -rdynamic -lpthreads 
/usr/bin/ld: cannot find -lpthreads
collect2: error: ld returned 1 exit status
make[1]: Leaving directory `/var/uhubuild/work/compile/build/CMakeFiles/CMakeTmp'
make[1]: *** [cmTryCompileExec630304161] Error 1
make: *** [cmTryCompileExec630304161/fast] Error 2


Determining if the fribidi_utf8_to_unicode exist failed with the following output:
Change Dir: /var/uhubuild/work/compile/build/CMakeFiles/CMakeTmp

Run Build Command:/usr/bin/make "cmTryCompileExec3476332037/fast"
/usr/bin/make -f CMakeFiles/cmTryCompileExec3476332037.dir/build.make CMakeFiles/cmTryCompileExec3476332037.dir/build
make[1]: Entering directory `/var/uhubuild/work/compile/build/CMakeFiles/CMakeTmp'
/usr/bin/cmake -E cmake_progress_report /var/uhubuild/work/compile/build/CMakeFiles/CMakeTmp/CMakeFiles 1
Building C object CMakeFiles/cmTryCompileExec3476332037.dir/CheckSymbolExists.c.o
/usr/lib/ccache/cc   -fopenmp -O2 -W -Wall -ansi   -I/usr/include/fribidi    -o CMakeFiles/cmTryCompileExec3476332037.dir/CheckSymbolExists.c.o   -c /var/uhubuild/work/compile/build/CMakeFiles/CMakeTmp/CheckSymbolExists.c
/var/uhubuild/work/compile/build/CMakeFiles/CMakeTmp/CheckSymbolExists.c: In function 'main':
/var/uhubuild/work/compile/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];
                   ^
/var/uhubuild/work/compile/build/CMakeFiles/CMakeTmp/CheckSymbolExists.c:8:19: note: each undeclared identifier is reported only once for each function it appears in
/var/uhubuild/work/compile/build/CMakeFiles/CMakeTmp/CheckSymbolExists.c:4:14: warning: parameter 'argc' set but not used [-Wunused-but-set-parameter]
 int main(int argc, char** argv)
              ^
/var/uhubuild/work/compile/build/CMakeFiles/CMakeTmp/CheckSymbolExists.c:13:1: warning: control reaches end of non-void function [-Wreturn-type]
 }
 ^
make[1]: Leaving directory `/var/uhubuild/work/compile/build/CMakeFiles/CMakeTmp'
make[1]: *** [CMakeFiles/cmTryCompileExec3476332037.dir/CheckSymbolExists.c.o] Error 1
make: *** [cmTryCompileExec3476332037/fast] Error 2

File /var/uhubuild/work/compile/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: /var/uhubuild/work/compile/build/CMakeFiles/CMakeTmp

Run Build Command:/usr/bin/make "cmTryCompileExec3565703012/fast"
/usr/bin/make -f CMakeFiles/cmTryCompileExec3565703012.dir/build.make CMakeFiles/cmTryCompileExec3565703012.dir/build
make[1]: Entering directory `/var/uhubuild/work/compile/build/CMakeFiles/CMakeTmp'
/usr/bin/cmake -E cmake_progress_report /var/uhubuild/work/compile/build/CMakeFiles/CMakeTmp/CMakeFiles 1
Building C object CMakeFiles/cmTryCompileExec3565703012.dir/CheckSymbolExists.c.o
/usr/lib/ccache/cc   -fopenmp -O2 -W -Wall -ansi   -I/usr/include/fribidi    -o CMakeFiles/cmTryCompileExec3565703012.dir/CheckSymbolExists.c.o   -c /var/uhubuild/work/compile/build/CMakeFiles/CMakeTmp/CheckSymbolExists.c
/var/uhubuild/work/compile/build/CMakeFiles/CMakeTmp/CheckSymbolExists.c: In function 'main':
/var/uhubuild/work/compile/build/CMakeFiles/CMakeTmp/CheckSymbolExists.c:8:18: error: lvalue required as unary '&' operand
   return ((int*)(&FRIBIDI_CHAR_SET_UTF8))[argc];
                  ^
/var/uhubuild/work/compile/build/CMakeFiles/CMakeTmp/CheckSymbolExists.c:4:14: warning: parameter 'argc' set but not used [-Wunused-but-set-parameter]
 int main(int argc, char** argv)
              ^
/var/uhubuild/work/compile/build/CMakeFiles/CMakeTmp/CheckSymbolExists.c:13:1: warning: control reaches end of non-void function [-Wreturn-type]
 }
 ^
make[1]: Leaving directory `/var/uhubuild/work/compile/build/CMakeFiles/CMakeTmp'
make[1]: *** [CMakeFiles/cmTryCompileExec3565703012.dir/CheckSymbolExists.c.o] Error 1
make: *** [cmTryCompileExec3565703012/fast] Error 2

File /var/uhubuild/work/compile/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
}