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[patch] PR31906
- From: prj at po dot cwru dot edu (Paul Jarc)
- To: gcc-patches at gcc dot gnu dot org
- Date: Mon, 09 Jul 2007 23:07:25 -0400
- Subject: [patch] PR31906
This patch fixes PR 31906, a build problem introduced in 4.2.
Possibly all options that take a separate argument should be handled
this way, although some of them are unlikely to take an argument
starting with "--" or "-f".
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* libtool-ldflags: Don't prefix arguments with -Xcompiler if
they're already prefixed.
--- /package/host/code.dogmap.org/foreign/gcc-4.2.0/compile/src/gcc-4.2.0/libtool-ldflags 2006-01-02 19:30:04.000000000 -0500
+++ libtool-ldflags 2007-07-05 22:47:29.000000000 -0400
@@ -31,6 +31,7 @@
# The output of the script. This string is built up as we process the
# arguments.
result=
+prev_arg=
for arg
do
@@ -43,13 +44,21 @@
# options. So, we prefix these options with -Xcompiler to
# make clear to libtool that they are in fact compiler
# options.
- result="$result -Xcompiler"
+ case $prev_arg in
+ -Xpreprocessor|-Xcompiler|-Xlinker)
+ # This option is already prefixed; don't prefix it again.
+ ;;
+ *)
+ result="$result -Xcompiler"
+ ;;
+ esac
;;
*)
# We do not want to add -Xcompiler to other options because
# that would prevent libtool itself from recognizing them.
;;
esac
+ prev_arg=$arg
# If $(LDFLAGS) is (say):
# a "b'c d" e