Warning: skipping dependency checks.
Warning: variable CFLAGS was not passed in build_variables
gcclua-config.h:1:10: fatal error: 'gcc-plugin.h' file not found
#include "gcc-plugin.h"
         ^
1 error generated.
/bin/sh: pkg-config: command not found
/bin/sh: pkg-config: command not found
/bin/sh: pkg-config: command not found
/bin/sh: pkg-config: command not found
gcclua.c:7:10: fatal error: 'gcc-plugin.h' file not found
#include "gcc-plugin.h"
         ^
1 error generated.
make[2]: *** [gcclua.o] Error 1
make[1]: *** [gcc] Error 2
make: *** [gcc-lua] Error 2

Error: Build error: Failed building.