Determining if files libudev.h exist failed with the following output: Change Dir: /nvmedata/autobuild/instance-29/output-1/build/belr-4.4.8/CMakeFiles/CMakeTmp Run Build Command(s):/usr/bin/make cmTC_bed6e/fast && make[1]: Entering directory '/nvmedata/autobuild/instance-29/output-1/build/belr-4.4.8/CMakeFiles/CMakeTmp' /usr/bin/make -f CMakeFiles/cmTC_bed6e.dir/build.make CMakeFiles/cmTC_bed6e.dir/build make[2]: Entering directory '/nvmedata/autobuild/instance-29/output-1/build/belr-4.4.8/CMakeFiles/CMakeTmp' Building C object CMakeFiles/cmTC_bed6e.dir/HAVE_LIBUDEV_H.c.o /nvmedata/autobuild/instance-29/output-1/host/bin/i686-linux-gcc --sysroot=/nvmedata/autobuild/instance-29/output-1/host/i686-buildroot-linux-gnu/sysroot -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -Og -g0 -DNDEBUG -o CMakeFiles/cmTC_bed6e.dir/HAVE_LIBUDEV_H.c.o -c /nvmedata/autobuild/instance-29/output-1/build/belr-4.4.8/CMakeFiles/CheckIncludeFiles/HAVE_LIBUDEV_H.c /nvmedata/autobuild/instance-29/output-1/build/belr-4.4.8/CMakeFiles/CheckIncludeFiles/HAVE_LIBUDEV_H.c:2:10: fatal error: libudev.h: No such file or directory 2 | #include | ^~~~~~~~~~~ compilation terminated. make[2]: *** [CMakeFiles/cmTC_bed6e.dir/build.make:85: CMakeFiles/cmTC_bed6e.dir/HAVE_LIBUDEV_H.c.o] Error 1 make[2]: Leaving directory '/nvmedata/autobuild/instance-29/output-1/build/belr-4.4.8/CMakeFiles/CMakeTmp' make[1]: *** [Makefile:140: cmTC_bed6e/fast] Error 2 make[1]: Leaving directory '/nvmedata/autobuild/instance-29/output-1/build/belr-4.4.8/CMakeFiles/CMakeTmp' Source: /* */ #include int main(void){return 0;}