[pygobject] Avoid duplicating required versions

[Tomeu Vizoso <tomeuv src gnome org>]

commit f140a8ebf59347162b67b550bd6f62d2eafad29a
Author: Johan Dahlin <johan gnome org>
Date:   Wed Jun 23 12:31:51 2010 -0300

    Avoid duplicating required versions
    
    Avoid duplicating the version of all required packages.
    Also remove cyclic dependency of pygobject
    
    https://bugzilla.gnome.org/show_bug.cgi?id=622503

 configure.ac |    9 +++++----
 1 files changed, 5 insertions(+), 4 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index b55a6b5..e9c5440 100644
--- a/configure.ac
+++ b/configure.ac
@@ -8,6 +8,8 @@ m4_define(pygobject_micro_version, 4)
 m4_define(pygobject_version, pygobject_major_version.pygobject_minor_version.pygobject_micro_version)
 
 dnl versions of packages we require ...
+m4_define(introspection_required_version, 0.6.14)
+m4_define(pycairo_required_version, 1.0.2)
 m4_define(glib_required_version, 2.22.4)
 m4_define(gio_required_version, 2.22.4)
 m4_define(giounix_required_version, 2.22.4)
@@ -209,10 +211,9 @@ AC_ARG_ENABLE(introspection,
 if test "$enable_introspection" != no; then
     AC_DEFINE(ENABLE_INTROSPECTION,1,Use introspection information)
     PKG_CHECK_MODULES(GI,
-        glib-2.0 >= 2.22.4
-        gobject-introspection-1.0 >= 0.6.14
-        pygobject-2.0 >= 2.21.1
-        pycairo >= 1.0.2
+        glib-2.0 >= glib_required_version
+        gobject-introspection-1.0 >= introspection_required_version
+        pycairo >= pycairo_required_version
     )
 fi
 AM_CONDITIONAL(ENABLE_INTROSPECTION, test "$enable_introspection" = "yes")