Determining if files libudev.h exist failed with the following output:
Change Dir: /home/giuliobenetti/autobuild/run/instance-0/output-1/build/linphone-4.3.1/CMakeFiles/CMakeTmp

Run Build Command(s):/usr/bin/make cmTC_c1509/fast && make[1]: Entering directory '/home/giuliobenetti/autobuild/run/instance-0/output-1/build/linphone-4.3.1/CMakeFiles/CMakeTmp'
/usr/bin/make -f CMakeFiles/cmTC_c1509.dir/build.make CMakeFiles/cmTC_c1509.dir/build
make[2]: Entering directory '/home/giuliobenetti/autobuild/run/instance-0/output-1/build/linphone-4.3.1/CMakeFiles/CMakeTmp'
Building C object CMakeFiles/cmTC_c1509.dir/HAVE_LIBUDEV_H.c.o
/home/giuliobenetti/autobuild/run/instance-0/output-1/host/bin/powerpc-buildroot-linux-uclibc-gcc --sysroot=/home/giuliobenetti/autobuild/run/instance-0/output-1/host/powerpc-buildroot-linux-uclibc/sysroot   -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -Os   -DNDEBUG   -o CMakeFiles/cmTC_c1509.dir/HAVE_LIBUDEV_H.c.o   -c /home/giuliobenetti/autobuild/run/instance-0/output-1/build/linphone-4.3.1/CMakeFiles/CheckIncludeFiles/HAVE_LIBUDEV_H.c
/home/giuliobenetti/autobuild/run/instance-0/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.
CMakeFiles/cmTC_c1509.dir/build.make:65: recipe for target 'CMakeFiles/cmTC_c1509.dir/HAVE_LIBUDEV_H.c.o' failed
make[2]: *** [CMakeFiles/cmTC_c1509.dir/HAVE_LIBUDEV_H.c.o] Error 1
make[2]: Leaving directory '/home/giuliobenetti/autobuild/run/instance-0/output-1/build/linphone-4.3.1/CMakeFiles/CMakeTmp'
Makefile:121: recipe for target 'cmTC_c1509/fast' failed
make[1]: *** [cmTC_c1509/fast] Error 2
make[1]: Leaving directory '/home/giuliobenetti/autobuild/run/instance-0/output-1/build/linphone-4.3.1/CMakeFiles/CMakeTmp'


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


int main(void){return 0;}