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travis: Compile a more compatible libc.a for musl 

The mitigations for #34978 involve passing `-Wa,-mrelax-relocations=no` to all C
code we compile, and we just forgot to pass it when compiling musl itself.

Closes #39979
This commit is contained in:
Alex Crichton 2017-02-21 14:18:50 -08:00
parent 3954c70537
commit 305aca86f9
1 changed files with 4 additions and 1 deletions
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5
src/ci/docker/linux-tested-targets/build-musl.sh
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@ -11,7 +11,10 @@
set -ex
export CFLAGS="-fPIC"
# We need to mitigate rust-lang/rust#34978 when compiling musl itself as well
export CFLAGS="-fPIC -Wa,-mrelax-relocations=no"
export CXXFLAGS="-Wa,-mrelax-relocations=no"
MUSL=musl-1.1.14
curl https://www.musl-libc.org/releases/$MUSL.tar.gz | tar xzf -
cd $MUSL