build-gcc-sixgill-plugin-linux.sh

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#!/bin/bash

set -e

set -x

# This script is for building the sixgill GCC plugin for Linux. It relies on

# the gcc checkout because it needs to recompile gmp and the gcc build script

# determines the version of gmp to download.

root_dir=$MOZ_FETCHES_DIR

build_dir=$GECKO_PATH/build

data_dir=$GECKO_PATH/build/unix/build-gcc

sixgill_rev=a84b31ab04ee

sixgill_repo=https://hg.mozilla.org/users/sfink_mozilla.com/sixgill

. $data_dir/build-gcc.sh

mkdir $root_dir/gcc-source || true

pushd $root_dir/gcc-source

ln -sf ../gmp-source gmp

ln -sf ../isl-source isl

ln -sf ../mpc-source mpc

ln -sf ../mpfr-source mpfr

popd

export TMPDIR=${TMPDIR:-/tmp/}

export gcc_bindir=$MOZ_FETCHES_DIR/gcc/bin

export gmp_prefix=/tools/gmp

export gmp_dir=$root_dir$gmp_prefix

prepare_sixgill() {(

    cd $root_dir

    hg clone -r $sixgill_rev $sixgill_repo || ( cd sixgill && hg update -r $sixgill_rev )

)}

build_gmp() {

    if ! [ -x $gcc_bindir/gcc ]; then

        echo "GCC not found in $gcc_bindir/gcc" >&2

        exit 1

fi

    # The sixgill plugin uses some gmp symbols, including some not exported by

    # cc1/cc1plus. So link the plugin statically to libgmp. Except that the

    # default static build does not have -fPIC, and will result in a relocation

    # error, so build our own. This requires the gcc and related source to be

    # in $root_dir/gcc-source.

    mkdir $root_dir/gmp-objdir || true

        cd $root_dir/gmp-objdir

        $root_dir/gcc-source/gmp/configure --disable-shared --with-pic --prefix=$gmp_prefix

        make -j8

        make install DESTDIR=$root_dir

build_sixgill() {(

    cd $root_dir/sixgill

    export CC=$gcc_bindir/gcc

    export CXX=$gcc_bindir/g++

    export PATH="$gcc_bindir:$PATH"

    export LD_LIBRARY_PATH="${gcc_bindir%/bin}/lib64"

    export TARGET_CC=$CC

    export CPPFLAGS=-I$gmp_dir/include

    export EXTRA_LDFLAGS=-L$gmp_dir/lib

    export HOST_CFLAGS=$CPPFLAGS

    ./release.sh --build-and-package --with-gmp=$gmp_dir

    tarball=$(ls -td *-sixgill | head -1)/sixgill.tar.xz

    cp $tarball $root_dir/sixgill.tar.xz

)}

prepare_sixgill

build_gmp

build_sixgill

# Put a tarball in the artifacts dir

mkdir -p $UPLOAD_DIR

cp $MOZ_FETCHES_DIR/sixgill.tar.* $UPLOAD_DIR