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Re: Patch to update libtool in GCC and binutils trees

Following up to my own mail about problems using the new libtool in the
libstdc++-v3 directory, it looks like when the libstdc++-v3 configure
script runs:

	if ${CONFIG_SHELL-/bin/sh} ./libtool --tag CXX --features |
	   grep "enable shared" > /dev/null;

the libtool executable has not yet been put in the libstdc++ object
directory.  It does get put there later but at the time these commands
run, it has not yet been done.  I am note sure who or how libtool winds
up in the build directory but it is obviously getting done later then
before and this is causing LIBSUPCXX_PICFLAGS to get set to NULL rather
than -prefer-pic.

I tried to replace "${CONFIG_SHELL-/bin/sh} ./libtool" with $LIBTOOL
which looks like it is getting set earlier in the configure script and
which should use the libtool from the top-level but that didn't work
either (LIBTOOL did not seem to be set).  Does anyone have a better way
to handle this test in the libstdc++-v3 configure file?  I don't see any
other libraries running libtool as part of the configure.  Can I just
check the enable_shared variable instead?

Steve Ellcey

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