Performing C SOURCE FILE Test HAS_O_TMPFILE failed with the following output:
Change Dir: /home/buildroot/autobuild/instance-2/output-1/build/libiio-0.18/CMakeFiles/CMakeTmp

Run Build Command(s):/usr/bin/make cmTC_086b0/fast && make[1]: Entering directory '/home/buildroot/autobuild/instance-2/output-1/build/libiio-0.18/CMakeFiles/CMakeTmp'
/usr/bin/make -f CMakeFiles/cmTC_086b0.dir/build.make CMakeFiles/cmTC_086b0.dir/build
make[2]: Entering directory '/home/buildroot/autobuild/instance-2/output-1/build/libiio-0.18/CMakeFiles/CMakeTmp'
Building C object CMakeFiles/cmTC_086b0.dir/src.c.o
/home/buildroot/autobuild/instance-2/output-1/host/bin/arm-linux-gcc --sysroot=/home/buildroot/autobuild/instance-2/output-1/host/arm-buildroot-uclinux-uclibcgnueabi/sysroot -D_GNU_SOURCE=1  -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -O2 -Wl,-elf2flt -static -fvisibility=hidden -Wall -Wextra -Wno-unused-parameter -Wno-sign-compare -Wpedantic -DHAS_O_TMPFILE  -DNDEBUG   -o CMakeFiles/cmTC_086b0.dir/src.c.o   -c /home/buildroot/autobuild/instance-2/output-1/build/libiio-0.18/CMakeFiles/CMakeTmp/src.c
/home/buildroot/autobuild/instance-2/output-1/build/libiio-0.18/CMakeFiles/CMakeTmp/src.c: In function 'main':
/home/buildroot/autobuild/instance-2/output-1/build/libiio-0.18/CMakeFiles/CMakeTmp/src.c:2:25: error: 'O_TMPFILE' undeclared (first use in this function); did you mean 'HAS_O_TMPFILE'?
 int main(void) { return O_TMPFILE; }
                         ^~~~~~~~~
                         HAS_O_TMPFILE
/home/buildroot/autobuild/instance-2/output-1/build/libiio-0.18/CMakeFiles/CMakeTmp/src.c:2:25: note: each undeclared identifier is reported only once for each function it appears in
CMakeFiles/cmTC_086b0.dir/build.make:65: recipe for target 'CMakeFiles/cmTC_086b0.dir/src.c.o' failed
make[2]: *** [CMakeFiles/cmTC_086b0.dir/src.c.o] Error 1
make[2]: Leaving directory '/home/buildroot/autobuild/instance-2/output-1/build/libiio-0.18/CMakeFiles/CMakeTmp'
Makefile:121: recipe for target 'cmTC_086b0/fast' failed
make[1]: *** [cmTC_086b0/fast] Error 2
make[1]: Leaving directory '/home/buildroot/autobuild/instance-2/output-1/build/libiio-0.18/CMakeFiles/CMakeTmp'


Source file was:
#include <fcntl.h>
int main(void) { return O_TMPFILE; }
Determining if the pthread_setname_np exist failed with the following output:
Change Dir: /home/buildroot/autobuild/instance-2/output-1/build/libiio-0.18/CMakeFiles/CMakeTmp

Run Build Command(s):/usr/bin/make cmTC_ef6bb/fast && make[1]: Entering directory '/home/buildroot/autobuild/instance-2/output-1/build/libiio-0.18/CMakeFiles/CMakeTmp'
/usr/bin/make -f CMakeFiles/cmTC_ef6bb.dir/build.make CMakeFiles/cmTC_ef6bb.dir/build
make[2]: Entering directory '/home/buildroot/autobuild/instance-2/output-1/build/libiio-0.18/CMakeFiles/CMakeTmp'
Building C object CMakeFiles/cmTC_ef6bb.dir/CheckSymbolExists.c.o
/home/buildroot/autobuild/instance-2/output-1/host/bin/arm-linux-gcc --sysroot=/home/buildroot/autobuild/instance-2/output-1/host/arm-buildroot-uclinux-uclibcgnueabi/sysroot -D_GNU_SOURCE=1  -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -O2 -Wl,-elf2flt -static -fvisibility=hidden -Wall -Wextra -Wno-unused-parameter -Wno-sign-compare -Wpedantic   -DNDEBUG   -o CMakeFiles/cmTC_ef6bb.dir/CheckSymbolExists.c.o   -c /home/buildroot/autobuild/instance-2/output-1/build/libiio-0.18/CMakeFiles/CMakeTmp/CheckSymbolExists.c
/home/buildroot/autobuild/instance-2/output-1/build/libiio-0.18/CMakeFiles/CMakeTmp/CheckSymbolExists.c: In function 'main':
/home/buildroot/autobuild/instance-2/output-1/build/libiio-0.18/CMakeFiles/CMakeTmp/CheckSymbolExists.c:8:19: error: 'pthread_setname_np' undeclared (first use in this function); did you mean 'pthread_setcanceltype'?
   return ((int*)(&pthread_setname_np))[argc];
                   ^~~~~~~~~~~~~~~~~~
                   pthread_setcanceltype
/home/buildroot/autobuild/instance-2/output-1/build/libiio-0.18/CMakeFiles/CMakeTmp/CheckSymbolExists.c:8:19: note: each undeclared identifier is reported only once for each function it appears in
/home/buildroot/autobuild/instance-2/output-1/build/libiio-0.18/CMakeFiles/CMakeTmp/CheckSymbolExists.c:4:14: warning: parameter 'argc' set but not used [-Wunused-but-set-parameter]
 int main(int argc, char** argv)
          ~~~~^~~~
CMakeFiles/cmTC_ef6bb.dir/build.make:65: recipe for target 'CMakeFiles/cmTC_ef6bb.dir/CheckSymbolExists.c.o' failed
make[2]: *** [CMakeFiles/cmTC_ef6bb.dir/CheckSymbolExists.c.o] Error 1
make[2]: Leaving directory '/home/buildroot/autobuild/instance-2/output-1/build/libiio-0.18/CMakeFiles/CMakeTmp'
Makefile:121: recipe for target 'cmTC_ef6bb/fast' failed
make[1]: *** [cmTC_ef6bb/fast] Error 2
make[1]: Leaving directory '/home/buildroot/autobuild/instance-2/output-1/build/libiio-0.18/CMakeFiles/CMakeTmp'


File /home/buildroot/autobuild/instance-2/output-1/build/libiio-0.18/CMakeFiles/CMakeTmp/CheckSymbolExists.c:
/* */
#include <pthread.h>

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