See for details:

http://lists.altlinux.org/pipermail/devel/2009-March/167877.html

diff --git a/giblib/configure.ac b/giblib/configure.ac

index 6807d86..f3a5f20 100644

--- a/giblib/configure.ac

+++ b/giblib/configure.ac

@@ -23,8 +23,8 @@ AC_PATH_GENERIC(imlib2, 1.0.0, [

   AC_MSG_ERROR(Cannot find imlib2: Is imlib2-config in the path?) )

 dnl the above doesn't work for some reason :/

-IMLIB_LIBS=`imlib2-config --libs`

-IMLIB_CFLAGS=`imlib2-config --cflags`

+IMLIB_LIBS=`pkg-config imlib2 --libs`

+IMLIB_CFLAGS=`pkg-config imlib2 --cflags`

 AC_SUBST(IMLIB_LIBS)

 AC_SUBST(IMLIB_CFLAGS)