[iagno] Target correct GLib version.

[Arnaud Bonatti <arnaudb src gnome org>]

commit dea8694ebd65a33b22186fc3273795f0312a73f3
Author: Arnaud Bonatti <arnaud bonatti gmail com>
Date:   Mon Feb 16 17:24:11 2015 +0100

    Target correct GLib version.

 configure.ac    |    2 ++
 src/Makefile.am |    2 +-
 2 files changed, 3 insertions(+), 1 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index cdbd2e8..f4cdf21 100644
--- a/configure.ac
+++ b/configure.ac
@@ -29,6 +29,8 @@ PKG_CHECK_MODULES(IAGNO, [
   libcanberra-gtk3 >= $CANBERRA_GTK_REQUIRED
 ])
 
+AC_SUBST([GLIB_REQUIRED])
+
 AC_PATH_PROG([DESKTOP_FILE_VALIDATE], [desktop-file-validate], [/bin/true])
 AC_PATH_PROG([GTESTER], [gtester])
 if ! test -x "${GTESTER}" ; then
diff --git a/src/Makefile.am b/src/Makefile.am
index 30eda01..8fb45ba 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -30,7 +30,7 @@ iagno_VALAFLAGS = \
        --pkg libcanberra \
        --pkg libcanberra-gtk \
        --gresources=$(builddir)/iagno.gresource.xml \
-       --target-glib 2.40
+       --target-glib $(GLIB_REQUIRED)
 
 iagno_LDADD = $(IAGNO_LIBS)