gnome-config: not found Package gtk+-2.0 was not found in the pkg-config search path. Perhaps you should add the directory containig `gtk+-2.0.pc' to the PKG_CONFIG_PATH environment variable No package 'gtk+-2.0' found gnome-config: not found Package gtk+-2.0 was not found in the pkg-config search path. Perhaps you should add the directory containing `gtk+-2.0.pc' to the PKG_CONFIG_PATH environment variable No package 'gtk+-2.0' found prog.c:1:21: gtk/gtk.h: Nosuch file or directory prog.c: In function `main': prog.c ・・・ 以下省略