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[PATCH] Add sanity check for static C++ libraries

# HG changeset patch
# User Anthony Foiani <anthony.foiani@gmail.com>
# Date 1295669763 25200
# Node ID 8410ffdd70a635386c2278c20400b0669e715324
# Parent  1e73ceb6ecb81b9dc4171ad65c57e5c5be4ecb76
Add sanity check for static C++ libraries.

As suggested by Bryan Hundven in:

  http://sourceware.org/ml/crossgcc/2011-01/msg00100.html

We check to make sure that the host gcc can find libstdc++.

Signed-off-by: Anthony Foiani <anthony.foiani@gmail.com>

diff -r 1e73ceb6ecb8 -r 8410ffdd70a6 scripts/crosstool-NG.sh.in
--- a/scripts/crosstool-NG.sh.in	Fri Jan 14 18:36:07 2011 +0100
+++ b/scripts/crosstool-NG.sh.in	Fri Jan 21 21:16:03 2011 -0700
@@ -57,6 +57,10 @@
         esac
 done
 
+# Verify that the static libraries are installed on the host.
+ct_static_libstdcpp=`gcc -print-file-name=libstdc++.a`
+CT_TestAndAbort "Static C++ libraries must be installed." ! -e "${ct_static_libstdcpp}"
+
 # Where will we work?
 CT_WORK_DIR="${CT_WORK_DIR:-${CT_TOP_DIR}/targets}"
 CT_DoExecLog ALL mkdir -p "${CT_WORK_DIR}"

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