diff -Naur gpe-calculator-0.2.orig/Makefile gpe-calculator-0.2/Makefile
--- gpe-calculator-0.2.orig/Makefile	2008-03-05 10:45:29.000000000 -0500
+++ gpe-calculator-0.2/Makefile	2008-03-05 10:46:33.000000000 -0500
@@ -8,6 +8,8 @@
 
 GTKCFLAGS = `pkg-config --cflags gtk+-2.0` -DGTK_ENABLE_BROKEN
 GTKLDFLAGS += `pkg-config --libs gtk+-2.0`
+GLIBCFLAGS = `pkg-config --cflags glib-2.0`
+GLIBLDFLAGS = `pkg-config --libs glib-2.0`
 
 CPPFLAGS = -D_GNU_SOURCE
 ifeq ($(DEBUG),yes)
@@ -16,8 +18,8 @@
 else
 CFLAGS += -Os -fomit-frame-pointer
 endif
-CFLAGS += -Wall $(GTKCFLAGS)
-LDFLAGS += $(GTKLDFLAGS)
+CFLAGS += -Wall $(GTKCFLAGS) $(GLIBCFLAGS)
+LDFLAGS += $(GTKLDFLAGS) $(GLIBLDFLAGS)
 CPPFLAGS += -DPACKAGE=\"$(PACKAGE)\" -DPREFIX=\"$(PREFIX)\" -DPACKAGE_LOCALE_DIR=\"$(PREFIX)/share/locale\" -DPACKAGE_DATA_DIR=\"$(PREFIX)/share\"
 CFLAGS += -MD