[gtk-osx] Skip m4 on Tiger and later

[John Ralls <jralls src gnome org>]

commit 4b8ab64ba58bf21dc9963c11440371457c825fe9
Author: Philip Chimento <philip chimento gmail com>
Date:   Fri Nov 7 20:25:01 2014 -0800

    Skip m4 on Tiger and later
    
    Make good on the comment in bootstrap.modules that says you can skip
    building m4 on new enough OSXs.

 jhbuildrc-gtk-osx |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)
---
diff --git a/jhbuildrc-gtk-osx b/jhbuildrc-gtk-osx
index d924f19..a3a5b77 100644
--- a/jhbuildrc-gtk-osx
+++ b/jhbuildrc-gtk-osx
@@ -346,6 +346,10 @@ def setup_sdk(target, sdk_version, architectures=[_default_arch]):
         # Tiger's CUPS version is too old
         skip.append('cups')
 
+    # Leopard and later have m4
+    if _osx_version >= 5.0:
+       skip.append('m4')
+
     # gettext-fw rebuilds gettext with an in-tree libiconv to get
     # around the Apple-provided one not defining _libiconv_init for
     # x86_64