--- a/autogen.sh
+++ b/autogen.sh
@@ -44,11 +44,10 @@
 Replace_Parameter BINARY
 echo ""
 
-# for GTK3+
-pkg-config --cflags gtk+-2.0 > /dev/null 2>&1
+false
 if [ $? != 0 ]; then
   sed -i 's/^AM_PATH_GTK_2_0.*/PKG_CHECK_MODULES([GTK], [gtk+-3.0])/g' configure.ac
-  pkg-config --cflags vte-2.91 > /dev/null 2>&1
+true
   if [ $? = 0 ]; then
     sed -i 's/^PKG_CHECK_MODULES(vte, \[vte >= .*/PKG_CHECK_MODULES(vte, [vte-2.91 >= 0.38.0],, AC_MSG_ERROR([You need libvte-2.91 >= 0.38.0 to build $_PACKAGE]))/g' configure.ac
     sed -i 's/^lilyterm_LDADD\(.*\)$/lilyterm_LDADD\1 -lX11/g' src/Makefile.am
@@ -56,12 +55,3 @@
     sed -i 's/^PKG_CHECK_MODULES(vte, \[vte >= .*/PKG_CHECK_MODULES(vte, [vte-2.90 >= 0.30.0],, AC_MSG_ERROR([You need libvte-2.90 >= 0.30.0 to build $_PACKAGE]))/g' configure.ac
   fi
 fi
-
-set -x
-
-aclocal
-autoheader
-intltoolize --automake --copy --force
-automake --add-missing --copy
-autoconf
-