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From: "kai.extern at gmail dot com" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug bootstrap/37079] cannot find -lgcc_s
Date: Fri, 23 Dec 2011 16:32:00 -0000
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37079

Kai Henningsen <kai.extern at gmail dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |kai.extern at gmail dot com

--- Comment #9 from Kai Henningsen <kai.extern at gmail dot com> 2011-12-23 16:12:17 UTC ---
I am seeing something very like this on x86_64-linux-gnu (native), gcc 4.6.2.
The compiler (with --disable-bootstrap) builds and installs into the prefix,
but then ld is unable to find libgcc_s, because the directory it is installed
in is not in the search path. It is installed into
$(prefix)/lib/gcc/$(target)/lib64.

Complete configure options (including some only relevant for different
packages; from config.log):

$(src)/gcc/configure --build=x86_64-linux-gnu --host=x86_64-linux-gnu
--prefix=$(prefix) --disable-bootstrap --disable-libgomp --disable-libmudflap
--disable-libquadmath --disable-libssp --disable-multilib --disable-nls
--enable-cxx --enable-decimal-float=no --enable-maintainer-mode
--enable-optimization --enable-pch --enable-rpath
--enable-version-specific-runtime-libs --with-bits=gmp --with-gnu-as
--with-gnu-ld --with-ppl --enable-languages=c,c++ --with-gmp=$(prefix)
--with-mpfr=$(prefix) --with-mpc=$(prefix) --with-ppl=$(prefix)
--with-cloog=$(prefix) --target=x86_64-linux-gnu

Other coments: Ubuntu, I'm symlinking all system libs into
$(prefix)/$(target)/lib before I start.

The actual path searched is:

$(prefix)/lib/gcc/x86_64-linux-gnu/4.6.2/
$(prefix)/lib/gcc/x86_64-linux-gnu/4.6.2/../../../../lib64/
/lib/../lib64/
/usr/lib/../lib64/
$(prefix)/lib/gcc/x86_64-linux-gnu/4.6.2/../../../../x86_64-linux-gnu/lib/
$(prefix)/lib/gcc/x86_64-linux-gnu/4.6.2/../../../
$(prefix)/x86_64-linux-gnu/lib64/
$(prefix)/lib64/
/usr/local/lib64/
/lib64/
/usr/lib64/
$(prefix)/x86_64-linux-gnu/lib/
$(prefix)/lib/
/usr/local/lib/
/lib/
/usr/lib/