diff options
Diffstat (limited to 'libc/ci/docker/i686-unknown-linux-musl/Dockerfile')
| -rw-r--r-- | libc/ci/docker/i686-unknown-linux-musl/Dockerfile | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/libc/ci/docker/i686-unknown-linux-musl/Dockerfile b/libc/ci/docker/i686-unknown-linux-musl/Dockerfile new file mode 100644 index 0000000..bdc2272 --- /dev/null +++ b/libc/ci/docker/i686-unknown-linux-musl/Dockerfile @@ -0,0 +1,23 @@ +FROM ubuntu:16.10 + +RUN dpkg --add-architecture i386 +RUN apt-get update +RUN apt-get install -y --no-install-recommends \ + gcc-multilib make libc6-dev git curl ca-certificates libc6:i386 +# Below we're cross-compiling musl for i686 using the system compiler on an +# x86_64 system. This is an awkward thing to be doing and so we have to jump +# through a couple hoops to get musl to be happy. In particular: +# +# * We specifically pass -m32 in CFLAGS and override CC when running ./configure, +# since otherwise the script will fail to find a compiler. +# * We manually unset CROSS_COMPILE when running make; otherwise the makefile +# will call the non-existent binary 'i686-ar'. +RUN curl https://www.musl-libc.org/releases/musl-1.1.15.tar.gz | \ + tar xzf - && \ + cd musl-1.1.15 && \ + CC=gcc CFLAGS=-m32 ./configure --prefix=/musl-i686 --disable-shared --target=i686 && \ + make CROSS_COMPILE= install -j4 && \ + cd .. && \ + rm -rf musl-1.1.15 +ENV PATH=$PATH:/musl-i686/bin:/rust/bin \ + CC_i686_unknown_linux_musl=musl-gcc |