[commit: ghc] master: Fix #9465. (030549a)

[git at git.haskell.org]

Repository : ssh://git@git.haskell.org/ghc

On branch  : master
Link       : http://ghc.haskell.org/trac/ghc/changeset/030549a1e263f352814e982fd9dba77755326a03/ghc

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commit 030549a1e263f352814e982fd9dba77755326a03
Author: Gabor Pali <pali.gabor at gmail.com>
Date:   Fri Aug 22 09:03:09 2014 +0200

    Fix #9465.
    
    It turned out the sed(1) expressions are not fully portable.  So revist my
    earlier attempt for getting GHC_LDFLAGS in the configure script and rewrite
    it in Perl instead.


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030549a1e263f352814e982fd9dba77755326a03
 aclocal.m4 | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/aclocal.m4 b/aclocal.m4
index 7fcf67e..bdc6c5d 100644
--- a/aclocal.m4
+++ b/aclocal.m4
@@ -1832,7 +1832,7 @@ AC_MSG_NOTICE(Building in-tree ghc-pwd)
     dnl If special linker flags are needed to build things, then allow
     dnl the user to pass them in via LDFLAGS.
     changequote(, )dnl
-    GHC_LDFLAGS=`echo $LDFLAGS | sed -r 's/(^| )([^ ])/\1-optl\2/g'`
+    GHC_LDFLAGS=`perl -e 'foreach (@ARGV) { print "-optl$_ " }' -- $LDFLAGS`
     changequote([, ])dnl
     if ! "$WithGhc" $GHC_LDFLAGS -v0 -no-user-$GHC_PACKAGE_DB_FLAG -hidir utils/ghc-pwd/dist-boot -odir utils/ghc-pwd/dist-boot -stubdir utils/ghc-pwd/dist-boot --make utils/ghc-pwd/Main.hs -o utils/ghc-pwd/dist-boot/ghc-pwd
     then