Package lash-1.0 was not found in the pkg-config search path. Perhaps you should add the directory containing `lash-1.0.pc' to the PKG_CONFIG_PATH environment variable No package 'lash-1.0' found Package lash-1.0 was not found in the pkg-config search path. Perhaps you should add the directory containing `lash-1.0.pc' to the PKG_CONFIG_PATH environment variable No package 'lash-1.0' found rm -f gmidimonitor rm -rf *.o cc -Wall -Werror -DDATA_DIR='"/usr/share/gmidimonitor"' -c -o about.o about.c about.c:15:21: error: gtk/gtk.h: No such file or directory In file included from about.c:17: path.h:19: error: expected ‘=’, ‘,’, ‘;’, ‘asm’ or ‘__attribute__’ before ‘*’ token about.c:19: error: expected ‘=’, ‘,’, ‘;’, ‘asm’ or ‘__attribute__’ before ‘*’ token about.c:25: error: expected ‘=’, ‘,’, ‘;’, ‘asm’ or ‘__attribute__’ before ‘*’ token about.c:369: error: expected ‘)’ before ‘*’ token make: *** [about.o] Error 1