Determining if files libudev.h exist failed with the following output:
Change Dir: /home/naourr/work/instance-1/output-1/build/linphone-4.3.1/CMakeFiles/CMakeTmp

Run Build Command(s):/usr/bin/gmake cmTC_490f8/fast && gmake[1]: Entering directory '/home/naourr/work/instance-1/output-1/build/linphone-4.3.1/CMakeFiles/CMakeTmp'
/usr/bin/gmake -f CMakeFiles/cmTC_490f8.dir/build.make CMakeFiles/cmTC_490f8.dir/build
gmake[2]: Entering directory '/home/naourr/work/instance-1/output-1/build/linphone-4.3.1/CMakeFiles/CMakeTmp'
Building C object CMakeFiles/cmTC_490f8.dir/HAVE_LIBUDEV_H.c.o
/home/naourr/work/instance-1/output-1/host/bin/powerpc-buildroot-linux-uclibc-gcc --sysroot=/home/naourr/work/instance-1/output-1/host/powerpc-buildroot-linux-uclibc/sysroot   -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -O2   -DNDEBUG   -o CMakeFiles/cmTC_490f8.dir/HAVE_LIBUDEV_H.c.o   -c /home/naourr/work/instance-1/output-1/build/linphone-4.3.1/CMakeFiles/CheckIncludeFiles/HAVE_LIBUDEV_H.c
/home/naourr/work/instance-1/output-1/build/linphone-4.3.1/CMakeFiles/CheckIncludeFiles/HAVE_LIBUDEV_H.c:2:10: fatal error: libudev.h: No such file or directory
 #include <libudev.h>
          ^~~~~~~~~~~
compilation terminated.
gmake[2]: *** [CMakeFiles/cmTC_490f8.dir/build.make:66: CMakeFiles/cmTC_490f8.dir/HAVE_LIBUDEV_H.c.o] Error 1
gmake[2]: Leaving directory '/home/naourr/work/instance-1/output-1/build/linphone-4.3.1/CMakeFiles/CMakeTmp'
gmake[1]: *** [Makefile:121: cmTC_490f8/fast] Error 2
gmake[1]: Leaving directory '/home/naourr/work/instance-1/output-1/build/linphone-4.3.1/CMakeFiles/CMakeTmp'


Source:
/* */
#include <libudev.h>


int main(void){return 0;}