[gimp/gimp-2-8] build/osx: describe installation of 10.6 SDK

[Kristian Rietveld <kristian src gnome org>]

commit 3a91e2f8dd0be5659ad6f46e7f21275a6dc36f96
Author: Kristian Rietveld <kris loopnest org>
Date:   Sun Dec 13 15:32:11 2015 +0100

    build/osx: describe installation of 10.6 SDK

 build/osx/README |    9 ++++++++-
 1 files changed, 8 insertions(+), 1 deletions(-)
---
diff --git a/build/osx/README b/build/osx/README
index bb90623..c501b94 100644
--- a/build/osx/README
+++ b/build/osx/README
@@ -25,7 +25,14 @@ $ if [ -f $HOME/.profile ]; \
    you are able to build for. If you have XCode 4.3 installed (OS X 10.7 and
    greater), then check /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs 
instead.
    Apple requires you to get an Apple Developer Id to get XCode for older
-   platforms if needed.  
+   platforms if needed.
+
+   For GIMP 2.8.x we build against the Mac OS X 10.6 SDK. If this is not
+   installed, you need to obtain XCode 4.3 (Apple Developer ID reqired).
+   The following steps install the 10.6 SDK from the XCode 4.3 image:
+   a) Mount the DMG.
+   b) $ cd /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs
+   c) $ sudo rsync -a 
/Volumes/Xcode/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.6.sdk .
 
 4. Most OS X installations come with preinstalled Git. If you do not have Git
    installed, then download a prebuilt binary from http://git-scm.com/download.