[PATCH 2 of 2] config/target.in+scripts/glibc-eglibc.sh-common: Allow building multilib gcc without full c library

[David Holsgrove <david dot holsgrove at xilinx dot com>]

# HG changeset patch
# User David Holsgrove <david.holsgrove@xilinx.com>
# Date 1348016531 -36000
# Node ID 24e33e3717f8a740f7c65a0d05a1bed51535c690
# Parent  95abeed3a485c4d5b02e4860fc554d6841e1cc41
config/target.in+scripts/glibc-eglibc.sh-common: Allow building multilib gcc without full c library

Add option to enable building a multilib aware gcc, without building out all the multilib combos
for the c library

diff -r 95abeed3a485 -r 24e33e3717f8 config/target.in
--- a/config/target.in	Wed Sep 19 11:03:59 2012 +1000
+++ b/config/target.in	Wed Sep 19 11:02:11 2012 +1000
@@ -60,6 +60,20 @@
       in gcc, so it is not possible to say what variants to support, only
       whether hard-coded variants should be supported or not.
 
+if MULTILIB
+
+config MULTILIB_GCC_ONLY
+    bool
+    prompt "Disable building multilib combos of c-library"
+    depends on EXPERIMENTAL
+    depends on MULTILIB
+    default n
+    help
+      If you say 'y' here, then gcc will be built with multi-lib support,
+      but the eglibc/glibc multilib combos won't
+
+endif # MULTILIB
+
 #--------------------------------------
 config ARCH_SUPPORTS_BOTH_MMU
     bool
diff -r 95abeed3a485 -r 24e33e3717f8 scripts/build/libc/glibc-eglibc.sh-common
--- a/scripts/build/libc/glibc-eglibc.sh-common	Wed Sep 19 11:03:59 2012 +1000
+++ b/scripts/build/libc/glibc-eglibc.sh-common	Wed Sep 19 11:02:11 2012 +1000
@@ -103,7 +103,13 @@
 
     # If gcc is not configured for multilib, it still prints
     # a single line for the default settings
-    multilibs=( $("${CT_TARGET}-gcc" -print-multi-lib 2>/dev/null) )
+    if [ "${CT_MULTILIB_GCC_ONLY}" = "y" ]; then
+        CT_DoLog EXTRA "Building of multilib C library Disabled"
+        multilibs=".;"
+    else
+        multilibs=( $("${CT_TARGET}-gcc" -print-multi-lib 2>/dev/null) )
+    fi
+
     for multilib in "${multilibs[@]}"; do
         multi_dir="${multilib%%;*}"
         if [ "${multi_dir}" != "." ]; then

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