[gtk+] Do not use AC_CANONICAL_TARGET

[Jan-Joost Spanjers <jspanjers src gnome org>]

commit f59c48271fa6f177deb15dcc6d5b49d6ed230339
Author: Hib Eris <hib hiberis nl>
Date:   Mon Apr 1 12:35:18 2013 +0200

    Do not use AC_CANONICAL_TARGET
    
    Reverts commit 717c28e12daff5ae9fcb01b45cd1daf13609cddb and
    fixes AX_PROG_CC_FOR_BUILD (see also
    http://savannah.gnu.org/patch/index.php?7989).
    
    https://bugzilla.gnome.org/show_bug.cgi?id=692638

 configure.ac               |    1 -
 m4/ax_prog_cc_for_build.m4 |    2 +-
 2 files changed, 1 insertions(+), 2 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 19d1b56..997fbb2 100644
--- a/configure.ac
+++ b/configure.ac
@@ -30,7 +30,6 @@ AC_CONFIG_MACRO_DIR([m4])
 AC_CONFIG_AUX_DIR([build-aux])
 
 AC_CANONICAL_HOST
-AC_CANONICAL_TARGET
 
 # Define a string for the earliest version that this release has
 # backwards binary compatibility with for all interfaces a module
diff --git a/m4/ax_prog_cc_for_build.m4 b/m4/ax_prog_cc_for_build.m4
index c2adede..21256bf 100644
--- a/m4/ax_prog_cc_for_build.m4
+++ b/m4/ax_prog_cc_for_build.m4
@@ -39,7 +39,7 @@ AC_DEFUN([AX_PROG_CC_FOR_BUILD], [dnl
 AC_REQUIRE([AC_PROG_CC])dnl
 AC_REQUIRE([AC_PROG_CPP])dnl
 AC_REQUIRE([AC_EXEEXT])dnl
-AC_REQUIRE([AC_CANONICAL_SYSTEM])dnl
+AC_REQUIRE([AC_CANONICAL_HOST])dnl
 
 dnl Use the standard macros, but make them use other variable names
 dnl