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2007-09-20 Paul Jarc <prj-bugzilla-gcc@multivac.cwru.edu>

	PR bootstrap/31906
	* libtool-ldflags: Don't prefix arguments with -Xcompiler if
        they're already prefixed.



git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@128617 138bc75d-0d04-0410-961f-82ee72b054a4
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1 parent e64c07b commit 9658ef825c1c123b5fb8df0046be91ba31942731 paolo committed Sep 20, 2007
Showing with 16 additions and 1 deletion.
  1. +6 −0 ChangeLog
  2. +10 −1 libtool-ldflags
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6 ChangeLog
@@ -1,3 +1,9 @@
+2007-09-20 Paul Jarc <prj-bugzilla-gcc@multivac.cwru.edu>
+
+ PR bootstrap/31906
+ * libtool-ldflags: Don't prefix arguments with -Xcompiler if
+ they're already prefixed.
+
2007-09-19 Benjamin Kosnik <bkoz@redhat.com>
* configure.ac (TOPLEVEL_CONFIGURE_ARGUMENTS): Move libgomp before
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11 libtool-ldflags
@@ -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 @@ do
# 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

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