commit e7f9f6f11e45d1ba15fbbb183ef1ae8b0c3b20c5 Author: Georg Koppen <gk@torproject.org> Date: Fri May 25 06:53:05 2018 +0000 Bug 25975: Get a Rust cross-compiler for macOS --- projects/rust/build | 39 +++++++++++++++++++++++++++++++++++++-- projects/rust/config | 12 +++++++++--- 2 files changed, 46 insertions(+), 5 deletions(-) diff --git a/projects/rust/build b/projects/rust/build index e20df55..4c81ad8 100644 --- a/projects/rust/build +++ b/projects/rust/build @@ -10,10 +10,45 @@ cd /var/tmp/dist/rust-[% c('var/prev_version') %]-[% c('arch') %]-unknown-linux- ./install.sh --prefix=$distdir-rust-old export PATH="$distdir-rust-old/bin:$PATH" -[% IF c("var/linux") %] - [% pc('gcc', 'var/setup', { compiler_tarfile => c('input_files_by_name/gcc') }) %] +[% IF ! c("var/windows") %] + [% pc(c('var/compiler'), 'var/setup', { compiler_tarfile => c('input_files_by_name/' _ c('var/compiler')) }) %] [% END -%] +[% IF c("var/osx") %] + # We need to clear `CC` and `LDFLAGS` as they are used for the host platform + # (i.e. Linux). + unset CC + unset LDFLAGS + # Target 10.6 as our toolchain does. Without this explicit declaration Bad + # Things will happen, as a lot of dependent code then assumes that the + # official macOS target, x86_64-apple-darwin, essentially means 10.4. + export MACOSX_DEPLOYMENT_TARGET=10.6 + # The Rust target for macOS is x86_64-apple-darwin, yet our toolchain is built + # for x86_64-apple-darwin10. We can't mix those targets as clang gets confused + # that way. Changing the Rust target to x86_64-apple-darwin10 would require a + # fair amount of patching, thus we create symlinks to prvoide Rust with the + # necessary tools while using our toolchain underneath, targeting 10.6. + cd $cctoolsdir + for f in `ls x86_64-apple-darwin10-*`; do + ln -s $f ${f//x86_64-apple-darwin10/x86_64-apple-darwin} + done + cd .. + ln -s x86_64-apple-darwin10 x86_64-apple-darwin + mkdir -p $distdir/helper + + # We need to adapt our CFLAGS and make sure our flags are passed down to all + # dependencies. Using `CFLAGS_x86_apple-darwin` did not do the trick, so resort + # to a wrapper script. + cat > $distdir/helper/x86_64-apple-darwin-clang << 'EOF' +#!/bin/sh +BASEDIR=/var/tmp/dist/macosx-toolchain +$BASEDIR/cctools/bin/x86_64-apple-darwin-clang -target x86_64-apple-darwin -mlinker-version=136 -B $BASEDIR/cctools/bin -isysroot $BASEDIR/SDK/ -Wl,-syslibroot,$BASEDIR/SDK/ -Wl,-dead_strip -Wl,-pie "$@" +EOF + + chmod +x $distdir/helper/x86_64-apple-darwin-clang + export PATH=$distdir/helper:$PATH +[% END %] + cd $rootdir mkdir /var/tmp/build tar -C /var/tmp/build -xf [% c('input_files_by_name/rust') %] diff --git a/projects/rust/config b/projects/rust/config index 49fc3ab..ae2290b 100644 --- a/projects/rust/config +++ b/projects/rust/config @@ -41,13 +41,19 @@ targets: # Rust pieces compiled. configure_opt: --enable-local-rust --enable-vendor --enable-extended --release-channel=stable --sysconfdir=etc --target=[% c("arch") %]-unknown-linux-gnu --set=target.[% c("arch") %]-unknown-linux-gnu.cc=gcc + osx-x86_64: + var: + arch_deps: + - libssl-dev + - pkg-config + configure_opt: --enable-local-rust --enable-vendor --enable-extended --release-channel=stable --sysconfdir=etc --target=x86_64-apple-darwin --set=target.x86_64-apple-darwin.cc=x86_64-apple-darwin-clang + input_files: - project: container-image - project: cmake name: cmake - - project: gcc - name: gcc - enable: '[% c("var/linux") %]' + - project: '[% c("var/compiler") %]' + name: '[% c("var/compiler") %]' - URL: 'https://static.rust-lang.org/dist/rustc-[% c("version") %]-src.tar.gz' name: rust sig_ext: asc