[PATCH 5 of 9] scripts/crosstool-NG.sh.in: On MacOS/BSD use the output of CT_DoConfigGuess for CT_BUILD

[Titus von Boxberg <titus at v9g dot de>]

# HG changeset patch
# User Titus von Boxberg <titus@v9g.de>
# Date 1274091369 -7200
# Node ID 8a7da2f309b5cb00bcdf78c53100891d4ec2aafb
# Parent  f01bd736911a5e500495695893cf48f19be8f840
scripts/crosstool-NG.sh.in: On MacOS/BSD use the output of CT_DoConfigGuess for CT_BUILD.

On 64bit MacOS `gcc -dumpmachine` gives i686 for the host machine.
This conflicts with the expectations of some following configure scripts
that a 64bit x86 is given as x86_64; i686 is understood as a 32 bit machine.
config.guess sets the host machine in CT_BUILD correctly.

diff -r f01bd736911a -r 8a7da2f309b5 scripts/crosstool-NG.sh.in
--- a/scripts/crosstool-NG.sh.in	Mon May 17 11:29:26 2010 +0200
+++ b/scripts/crosstool-NG.sh.in	Mon May 17 12:16:09 2010 +0200
@@ -334,7 +334,16 @@
 
     # Determine build system if not set by the user
     case "${CT_BUILD}" in
-        "") CT_BUILD=$("${CT_BUILD_PREFIX}gcc${CT_BUILD_SUFFIX}" -dumpmachine);;
+        "") 
+            case "$CT_SYS_OS" in
+                Darwin|*BSD)
+                    CT_BUILD=$(CT_DoConfigGuess)
+	            ;;
+                *)
+                    CT_BUILD=$("${CT_BUILD_PREFIX}gcc${CT_BUILD_SUFFIX}" -dumpmachine)
+		    ;;
+	    esac
+            ;;
     esac
 
     # Prepare mangling patterns to later modify BUILD and HOST (see below)

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