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Re: PATCH RFA: Add -static-libstdc++ option to g++


On Sat, Jun 20, 2009 at 2:05 AM, Ian Lance Taylor<iant@google.com> wrote:
> It is sometimes useful to link statically against libstdc++ without
> doing a full static link. ?In particular, when building gcc with C++,
> I think this is what we want to do. ?We do not want to worry about
> ensuring that gcc is able to find the right version of libstdc++ when
> gcc itself is run.
>
> This patch adds a -static-libstdc++ option to the g++ driver. ?This is
> conceptually similar to the static-libgfortran option supported by the
> gfortran driver.
>
> I suppose this patch requires approval from the C++ frontend
> maintainers. ?And/or, perhaps, the libstdc++ maintainers or the build
> system maintainers. ?I'm not sure where this falls.
>
> David, I adjusted your LIBSTDCXX_STATIC patch slightly: it now only
> adds LIBSTDCXX_STATIC if it adds LIBSTDCXX. ?That seemed to me to be
> the desired behaviour. ?Please let me know if this breaks anything.
>
> Bootstrapped and ran C++ testsuite on x86_64-unknown-linux-gnu. ?OK
> for mainline.
>
> Ian
>
>
> gcc/ChangeLog:
>
> 2009-06-19 ?Ian Lance Taylor ?<iant@google.com>
>
> ? ? ? ?* doc/invoke.texi (Option Summary): Mention -static-libstdc++.
> ? ? ? ?(Link Options): Document -static-libstdc++.
>
> gcc/cp/ChangeLog:
>
> 2009-06-19 ?Ian Lance Taylor ?<iant@google.com>
>
> ? ? ? ?* g++spec.c (SKIPOPT): define.
> ? ? ? ?(lang_specific_driver): Handle -static-libstdc++. ?Only add
> ? ? ? ?LIBSTDCXX_STATIC if we add LIBSTDCXX.
>
>
>


This patch looks like it was committed here:

http://gcc.gnu.org/ml/gcc-cvs/2009-06/msg00935.html

That was revision 148951.

That revision breaks the linux64 to win64 cross compiler for g++.  Any
attempt to use g++ results in output like this:

*** glibc detected *** malloc(): memory corruption (fast):
0x00000000005412c0 ***
*** glibc detected *** malloc(): memory corruption (fast):
0x00000000005412a0 ***
*** glibc detected *** corrupted double-linked list: 0x00000000005412b0 ***
*** glibc detected *** malloc(): memory corruption (fast):
0x00000000005412c0 ***
*** glibc detected *** malloc(): memory corruption (fast):
0x00000000005412a0 ***
*** glibc detected *** corrupted double-linked list: 0x00000000005412c0 ***
*** glibc detected *** malloc(): memory corruption (fast):
0x00000000005412b0 ***
*** glibc detected *** malloc(): memory corruption (fast):
0x00000000005412b0 ***
*** glibc detected *** corrupted double-linked list: 0x00000000005412c0 ***
libtool.m4: error: problem compiling CXX test program
*** glibc detected *** malloc(): memory corruption (fast):
0x00000000005412b0 ***


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