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#!/bin/bash
printf "\n\n--------------------------------------- BUILD -----------------------------------------------\n";
set -e
# Setup Script Variables
srcdir=$1;
OUTPUT_TARBALL=$2;
CI_PROJECT_DIR=${CI_PROJECT_DIR:-$(realpath $(dirname $0)/../../)}
_SOURCE_CODE_BINARY_TARBALL_LOCATION="./obj*/dist/librewolf*.tar.bz2";
_MOZBUILD=$srcdir/../mozbuild
# we do change / unset some of them later, but setting them as set by Arch
# might make it easier to maintain changes in build scripts on both sides
if [[ $CARCH == 'aarch64' ]]; then
export CPPFLAGS="-D_FORTIFY_SOURCE=2"
export CFLAGS="-march=armv8-a -O2 -pipe -fstack-protector-strong -fno-plt"
export CXXFLAGS="-march=armv8-a -O2 -pipe -fstack-protector-strong -fno-plt"
export LDFLAGS="-Wl,-O1,--sort-common,--as-needed,-z,relro,-z,now"
else
export CPPFLAGS="-D_FORTIFY_SOURCE=2"
export CFLAGS="-march=x86-64 -mtune=generic -O2 -pipe -fno-plt"
export CXXFLAGS="-march=x86-64 -mtune=generic -O2 -pipe -fno-plt"
export LDFLAGS="-Wl,-O1,--sort-common,--as-needed,-z,relro,-z,now"
fi
export MOZ_NOSPAM=1
export MOZBUILD_STATE_PATH="${_MOZBUILD}"
if [[ $CARCH == 'aarch64' ]]; then
LDFLAGS+=" -Wl,--no-keep-memory -Wl,--reduce-memory-overheads"
fi
# LTO needs more open files
ulimit -n 4096
# -fno-plt with cross-LTO causes obscure LLVM errors
# LLVM ERROR: Function Import: link error
CFLAGS="${CFLAGS/-fno-plt/}"
CXXFLAGS="${CXXFLAGS/-fno-plt/}"
# Prevents build from breaking in CI/CD environments
export SHELL=/bin/bash;
# Changes current folder to the source code folder
cd $srcdir;
# Runs bootstrapper to install dependencies
printf "\nRunning bootstrapper to install build dependencies (using ./mach script within source code)\n";
./mach bootstrap --application-choice=browser --no-interactive;
# add cargo binary to path
source /root/.cargo/env
rm -f mozconfig
# Do 3-tier PGO
echo "Building instrumented browser..."
if [[ $CARCH == 'aarch64' ]]; then
cat >.mozconfig ${CI_PROJECT_DIR}/mozconfig - <<END
ac_add_options --enable-profile-generate
END
else
cat >.mozconfig ${CI_PROJECT_DIR}/mozconfig - <<END
ac_add_options --enable-profile-generate=cross
END
fi
# Executes the actual build
printf "\nBuilding LibreWolf\n";
./mach build;
echo "Profiling instrumented browser..."
./mach package
LLVM_PROFDATA=llvm-profdata \
JARLOG_FILE="$PWD/jarlog" \
xvfb-run -s "-screen 0 1920x1080x24 -nolisten local" \
./mach python build/pgo/profileserver.py
if [[ ! -s merged.profdata ]]; then
echo "No profile data produced."
exit 1
fi
if [[ ! -s jarlog ]]; then
echo "No jar log produced."
exit 1
fi
echo "Removing instrumented browser..."
./mach clobber
echo "Building optimized browser..."
if [[ $CARCH == 'aarch64' ]]; then
cat >.mozconfig ${CI_PROJECT_DIR}/mozconfig - <<END
ac_add_options --enable-lto
ac_add_options --enable-profile-use
ac_add_options --with-pgo-profile-path=${PWD@Q}/merged.profdata
ac_add_options --with-pgo-jarlog=${PWD@Q}/jarlog
# seems to break on arm
# ac_add_options --enable-linker=gold
END
else
cat >.mozconfig ${CI_PROJECT_DIR}/mozconfig - <<END
ac_add_options --enable-lto=cross
ac_add_options --enable-profile-use=cross
ac_add_options --with-pgo-profile-path=${PWD@Q}/merged.profdata
ac_add_options --with-pgo-jarlog=${PWD@Q}/jarlog
ac_add_options --enable-linker=gold
END
fi
./mach build
echo "Building symbol archive..."
./mach buildsymbols
# End "build()" equivalent.
# Packages the build into a binary tarball
printf "\nPackaging LibreWolf\n";
./mach package;
# Moves the packaged tarball to the specified location
printf "\nMoving Binary Tarball to output location\n";
mv $_SOURCE_CODE_BINARY_TARBALL_LOCATION $OUTPUT_TARBALL;
# Deletes the source code
printf "\nDeleting source code\n";
rm -rf $srcdir;
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