diff options
Diffstat (limited to 'src/ci/docker/scripts/freebsd-toolchain.sh')
-rwxr-xr-x | src/ci/docker/scripts/freebsd-toolchain.sh | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/src/ci/docker/scripts/freebsd-toolchain.sh b/src/ci/docker/scripts/freebsd-toolchain.sh new file mode 100755 index 000000000..4a4cac1b7 --- /dev/null +++ b/src/ci/docker/scripts/freebsd-toolchain.sh @@ -0,0 +1,83 @@ +#!/bin/bash +# ignore-tidy-linelength + +set -eux + +arch=$1 +binutils_version=2.25.1 +freebsd_version=12.3 +triple=$arch-unknown-freebsd12 +sysroot=/usr/local/$triple + +hide_output() { + set +x + local on_err=" +echo ERROR: An error was encountered with the build. +cat /tmp/build.log +exit 1 +" + trap "$on_err" ERR + bash -c "while true; do sleep 30; echo \$(date) - building ...; done" & + local ping_loop_pid=$! + "$@" &> /tmp/build.log + trap - ERR + kill $ping_loop_pid + set -x +} + +# First up, build binutils +mkdir binutils +cd binutils +curl https://ftp.gnu.org/gnu/binutils/binutils-${binutils_version}.tar.bz2 | tar xjf - +mkdir binutils-build +cd binutils-build +hide_output ../binutils-${binutils_version}/configure \ + --target="$triple" --with-sysroot="$sysroot" +hide_output make -j"$(getconf _NPROCESSORS_ONLN)" +hide_output make install +cd ../.. +rm -rf binutils + +# Next, download the FreeBSD libraries and header files +mkdir -p "$sysroot" +case $arch in + (x86_64) freebsd_arch=amd64 ;; + (i686) freebsd_arch=i386 ;; +esac + +files_to_extract=( +"./usr/include" +"./usr/lib/*crt*.o" +) +# Try to unpack only the libraries the build needs, to save space. +for lib in c cxxrt gcc_s m thr util; do + files_to_extract=("${files_to_extract[@]}" "./lib/lib${lib}.*" "./usr/lib/lib${lib}.*") +done +for lib in c++ c_nonshared compiler_rt execinfo gcc pthread rt ssp_nonshared procstat devstat kvm; do + files_to_extract=("${files_to_extract[@]}" "./usr/lib/lib${lib}.*") +done + +# Originally downloaded from: +# URL=https://download.freebsd.org/ftp/releases/${freebsd_arch}/${freebsd_version}-RELEASE/base.txz +URL=https://ci-mirrors.rust-lang.org/rustc/2022-05-06-freebsd-${freebsd_version}-${freebsd_arch}-base.txz +curl "$URL" | tar xJf - -C "$sysroot" --wildcards "${files_to_extract[@]}" + +# Clang can do cross-builds out of the box, if we give it the right +# flags. (The local binutils seem to work, but they set the ELF +# header "OS/ABI" (EI_OSABI) field to SysV rather than FreeBSD, so +# there might be other problems.) +# +# The --target option is last because the cross-build of LLVM uses +# --target without an OS version ("-freebsd" vs. "-freebsd12"). This +# makes Clang default to libstdc++ (which no longer exists), and also +# controls other features, like GNU-style symbol table hashing and +# anything predicated on the version number in the __FreeBSD__ +# preprocessor macro. +for tool in clang clang++; do + tool_path=/usr/local/bin/${triple}-${tool} + cat > "$tool_path" <<EOF +#!/bin/sh +exec $tool --sysroot=$sysroot --prefix=${sysroot}/bin "\$@" --target=$triple +EOF + chmod +x "$tool_path" +done |