configure.ac: fix para_slider configuration

It depends on GLIB, so add a check for GLIB that was removed
long ago as ortp dropped glib.

diff --git a/configure.ac b/configure.ac
index 408851ed27a66032df20a6a5cf74a9096a79adec..d33205bc2996f850ed540a69369c3eb01721eca6 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -414,19 +414,21 @@ fi
 CPPFLAGS="$OLD_CPPFLAGS"
 LDFLAGS="$OLD_LDFLAGS"
 ########################################################################### zmw
-slide="para_slider"
-msg="can not build para_slider"
-CPPFLAGS="$GTK_CFLAGS"
+build_slider="yes"
+OLD_CPPFLAGS="$CPPFLAGS"
+OLD_LD_FLAGS="$LDFLAGS"
+PKG_CHECK_MODULES(GLIB, [glib-2.0 >= 2.0.4], [], [build_slider="no"])
+CPPFLAGS="$GTK_CFLAGS $GLIB_CFLAGS"
 LDFLAGS="$LDFLAGS $GTK_LIBS"
-AC_CHECK_HEADERS([zmw/zmw.h], [], [
-       AC_MSG_WARN([zero memory widget header files not found, $msg])
-       slide=""
-])
-AC_CHECK_LIB([zmw], [zmw_init], [], [
-       AC_MSG_WARN([zero memory widget library not found, $msg])
-       slide=""
-])
-extras="$extras $slide"
+AC_CHECK_HEADERS([zmw/zmw.h], [], [build_slider="no"])
+AC_CHECK_LIB([zmw], [zmw_init], [], [build_slider="no"])
+if test "$build_slider" = "no"; then
+       AC_MSG_WARN([will not build para_slider])
+else
+       extras="$extras para_slider"
+fi
+CPPFLAGS="$OLD_CPPFLAGS"
+LDFLAGS="$OLD_LDFLAGS"