[gnome-commander] configure.ac: Make gnome-vfs mandatory

[Uwe Scholz <uwescholz src gnome org>]

commit a167a0f4a884334a7e6d12b87bbc0c309841e90c
Author: Uwe Scholz <u scholz83 gmx de>
Date:   Thu Jun 18 21:04:46 2020 +0200

    configure.ac: Make gnome-vfs mandatory

 configure.ac | 4 ++++
 1 file changed, 4 insertions(+)
---
diff --git a/configure.ac b/configure.ac
index 1228ef56..ba112a43 100644
--- a/configure.ac
+++ b/configure.ac
@@ -75,6 +75,10 @@ PKG_CHECK_MODULES([GTK], [gtk+-2.0 >= ${GTK_REQ}])
 dnl Check for gnome-vfs
 PKG_CHECK_MODULES([GNOMEVFS], [gnome-vfs-2.0 >= ${GNOMEVFS_REQ}], have_gnomevfs=yes, have_gnomevfs=no)
 
+if test "x$have_gnomevfs" != "xyes"; then
+AC_MSG_ERROR([[gnome-vfs >= ${GNOMEVFS_REQ}] not found])
+fi
+
 dnl Check for libUnique
 AC_ARG_WITH([unique], AS_HELP_STRING([--without-unique], [disable unique support]))
 AS_IF([test "x$with_unique" != "xno"],