commit 2fe7170ac1f07b051fa69183b7dc852a62d4f9be Author: Georg Koppen gk@torproject.org Date: Thu Mar 16 18:05:06 2017 +0000

Bug 21753: Replace our old GCC toolchain in PT descriptor

The GCC toolchain is pretty old and it is risky relying on it. We replace it with our clang/cctools-based one which is already used almost everywhere when cross-compiling for macOS. --- .../mac/gitian-pluggable-transports.yml | 27 +++++++++++++--------- 1 file changed, 16 insertions(+), 11 deletions(-)

diff --git a/gitian/descriptors/mac/gitian-pluggable-transports.yml b/gitian/descriptors/mac/gitian-pluggable-transports.yml index 5f47b47..c6846cc 100644 --- a/gitian/descriptors/mac/gitian-pluggable-transports.yml +++ b/gitian/descriptors/mac/gitian-pluggable-transports.yml @@ -4,7 +4,7 @@ distro: "debian" suites: - "wheezy" architectures: -- "i386" +- "amd64" packages: - "unzip" - "zip" @@ -28,8 +28,9 @@ files: - "versions" - "go14.tar.gz" - "go.tar.gz" +- "clang-linux64-wheezy-utils.zip" +- "cctools.tar.gz" - "MacOSX10.7.sdk.tar.gz" -- "multiarch-darwin11-cctools127.2-gcc42-5666.3-llvmgcc42-2336.1-Linux-120724.tar.xz" - "dzip.sh" script: | INSTDIR="$HOME/install" @@ -44,7 +45,6 @@ script: | DOCSDIR="$TBDIR/TorBrowser/Docs" TORBINDIR="$TBDIR/TorBrowser/Tor" fi - export LIBRARY_PATH="$INSTDIR/lib" export REFERENCE_DATETIME export TZ=UTC export LC_ALL=C @@ -53,14 +53,19 @@ script: | mkdir -p $PTDIR/ mkdir -p $OUTDIR/ # - tar xaf multiarch-darwin*tar.xz + tar xaf cctools.tar.gz + unzip clang-linux64-wheezy-utils.zip # The 10.7 SDK is needed for Go: https://bugs.torproject.org/20023#comment:6 tar xaf MacOSX10.7.sdk.tar.gz - export PATH="$PATH:$HOME/build/apple-osx/bin/" - # - export AR=$HOME/build/apple-osx/bin/i686-apple-darwin11-ar - export CC=$HOME/build/apple-osx/bin/i686-apple-darwin11-gcc - export CXX=$HOME/build/apple-osx/bin/i686-apple-darwin11-g++ + # Preparing clang for cross-compilation, setting the proper flags and + # variables + # ld needs libLTO.so from llvm + export LD_LIBRARY_PATH="$HOME/build/clang/lib" + export PATH="$HOME/build/cctools/bin:$PATH" + CROSS_CCTOOLS_PATH="$HOME/build/cctools" + CROSS_SYSROOT="$HOME/build/MacOSX10.7.sdk" + FLAGS="-target x86_64-apple-darwin10 -mlinker-version=136 -B $CROSS_CCTOOLS_PATH/bin -isysroot $CROSS_SYSROOT" + export CC="$HOME/build/clang/bin/clang $FLAGS"

# Building go 1.4.x # This is needed to bootstrap the go that we actually use @@ -80,12 +85,12 @@ script: | # https://github.com/golang/go/issues/15457 CC_FOR_TARGET="$(pwd)/cc-for-target" echo "#!/bin/sh" > "$CC_FOR_TARGET" - echo "exec $CC $CFLAGS $LDFLAGS -isysroot $HOME/build/MacOSX10.7.sdk -std=gnu99 "$@"" >> "$CC_FOR_TARGET" + echo "exec $CC $CFLAGS $LDFLAGS "$@"" >> "$CC_FOR_TARGET" chmod +x "$CC_FOR_TARGET" # http://golang.org/doc/install/source#environment export GOPATH="$HOME/go" export GOOS=darwin - export GOARCH=386 + export GOARCH=amd64 tar xvf go.tar.gz cd go/src # Remove a preprocessor directive that causes problems when building with the 10.7 SDK.