[Buildroot] [git commit] package/libunwind: disable for x86 with uClibc toolchain
Peter Korsgaard
peter at korsgaard.com
Mon Apr 24 19:31:25 UTC 2017
>>>>> "Thomas" == Thomas Petazzoni <thomas.petazzoni at free-electrons.com> writes:
> commit: https://git.buildroot.net/buildroot/commit/?id=c5b56b0a20b2be24878d8bae66fbe665e8fea698
> branch: https://git.buildroot.net/buildroot/commit/?id=refs/heads/master
> libunwind use sigreturn() while building for x86 [1] but this function
> is not available with uClibc-ng.
> This throw a warning during libunwind build:
> In file included from x86/Los-linux.c:4:0:
> x86/Gos-linux.c: In function _ULx86_local_resume:
> x86/Gos-linux.c:298:7: warning: implicit declaration of function sigreturn [-Wimplicit-function-declaration]
> sigreturn (sc);
> ^
> But any program trying to link against libunwind-generic.so fail to build:
> [...]usr/lib/libunwind-generic.so: undefined reference to `sigreturn'
> collect2: error: ld returned 1 exit status
> Disable libunwind for x86 target when uClibc-ng is used.
> Fixes:
> http://autobuild.buildroot.net/results/54a/54afac8148cff5f3c17e83f80917fd9006948fe0//build-end.log
> [1] http://git.savannah.gnu.org/gitweb/?p=libunwind.git;a=blob;f=src/x86/Gos-linux.c;h=17aebc2974af50eb0bf8292689b2ed22a4c97866;hb=HEAD#l299
> Signed-off-by: Romain Naour <romain.naour at gmail.com>
> Tested-by: "Yann E. MORIN" <yann.morin.1998 at free.fr>
> Acked-by: "Yann E. MORIN" <yann.morin.1998 at free.fr>
> Signed-off-by: Thomas Petazzoni <thomas.petazzoni at free-electrons.com>
Committed to 2017.02.x, thanks.
--
Bye, Peter Korsgaard
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