added check for gtk to build process

diff --git a/configure.ac b/configure.ac
index 87f71b2..8bbf2bd 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -88,6 +88,10 @@ AC_SUBST(NROFFFLAGS)
 AC_PATH_PROGS(AWKPATH, awk mawk gawk nawk)
 AC_PATH_PROGS(PERLPATH, perl)
 
+PKG_CHECK_MODULES([GTK], [gtk+-2.0 >= 2.16.0 gmodule-export-2.0 ])
+AC_SUBST(GTK_CFLAGS)
+AC_SUBST(GTK_LIBS)
+
 AC_HEADER_STDC
 AC_HEADER_TIME
 AC_HEADER_SYS_WAIT