bt Desktop # gcc test.c `pkg-config --cflags glib-2.0` `pkg-config --libs glib-20` Package glib-20 was not found in the pkg-config search path. Perhaps you should add the directory containing `glib-20.pc' to the PKG_CONFIG_PATH environment variable No package 'glib-20' found test.c: In function `main': test.c:5: error: syntax error before "int" test.c:6:14: warning: no newline at end of file test.c:6: error: syntax error at end of input