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|
#!/bin/bash
# Copyright 2014 Google Inc. All rights reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
# This script bootstraps building a Bazel binary without Bazel.
# It should only be used to bootstrap Bazel itself. The resulting
# binary can be found at output/bazel
set -o errexit
cd "$(dirname "$0")"
mkdir -p output/classes
mkdir -p output/test_classes
mkdir -p output/src
mkdir -p output/objs
mkdir -p output/native
# May be passed in from outside.
CXXFLAGS="$CXXFLAGS"
LDFLAGS="$LDFLAGS"
ZIPOPTS="$ZIPOPTS"
# TODO: CC target architecture needs to match JAVA_HOME.
CC=${CC:-gcc}
CXX=${CXX:-g++}
CXXSTD="c++0x"
unset JAVA_TOOL_OPTIONS
unset _JAVA_OPTIONS
JAVA_VERSION=${JAVA_VERSION:-"1.8"}
PLATFORM="$(uname -s | tr 'A-Z' 'a-z')"
ARCHIVE_CFLAGS=${ARCHIVE_CFLAGS:-""}
LDFLAGS=${LDFLAGS:-""}
# Extension for executables (.exe on Windows).
EXE_EXT=""
PROTO_FILES=$(ls src/main/protobuf/*.proto)
LIBRARY_JARS=$(find third_party -name *.jar | tr "\n" " ")
DIRS=$(echo src/{main/java,tools/xcode-common/java/com/google/devtools/build/xcode/{common,util}} output/src)
SINGLEJAR_DIRS="src/java_tools/singlejar/java src/main/java/com/google/devtools/build/lib/shell"
SINGLEJAR_LIBRARIES="third_party/guava/guava-18.0.jar third_party/jsr305/jsr-305.jar"
BUILDJAR_DIRS="src/java_tools/buildjar/java/com/google/devtools/build/buildjar output/src/com/google/devtools/build/lib/view/proto"
BUILDJAR_LIBRARIES="third_party/error_prone/error_prone_core-2.0.2.jar third_party/guava/guava-18.0.jar third_party/protobuf/protobuf-2.5.0.jar third_party/jsr305/jsr-305.jar"
MSYS_DLLS=""
PATHSEP=":"
function fail() {
echo "$1" >&2
exit 1
}
function log() {
if [[ -z "${QUIETMODE}" ]]; then
echo -e "$1" >&2
fi
}
function write_fromhost_build() {
case "${PLATFORM}" in
linux)
cat << EOF > fromhost/BUILD
package(default_visibility = ["//visibility:public"])
cc_library(
name = "libarchive",
srcs = [],
hdrs = [],
)
EOF
;;
darwin)
if [[ -e $homebrew_header ]]; then
rm -f fromhost/*.[ah]
touch fromhost/empty.c
# For use with Homebrew.
archive_dir=$(dirname $(dirname $homebrew_header))
cp ${archive_dir}/lib/*.a ${archive_dir}/include/*.h fromhost/
cat << EOF > fromhost/BUILD
package(default_visibility = ["//visibility:public"])
cc_library(
name = "libarchive",
srcs = glob(["*.a"]) + ["empty.c"],
hdrs = glob(["*.h"]),
includes = ["."],
linkopts = ["-lxml2", "-liconv", "-lbz2", "-lz", ],
)
EOF
elif [[ -e $macports_header ]]; then
# For use with Macports.
archive_dir=$(dirname $(dirname $macports_header))
rm -f fromhost/*.[ah]
touch fromhost/empty.c
cp "${archive_dir}"/include/{archive.h,archive_entry.h} fromhost/
cp "${archive_dir}"/lib/{libarchive,liblzo2,liblzma,libcharset,libbz2,libxml2,libz,libiconv}.a \
fromhost/
cat << EOF > fromhost/BUILD
package(default_visibility = ["//visibility:public"])
cc_library(
name = "libarchive",
srcs = glob(["*.a"]) + ["empty.c"],
hdrs = glob(["*.h"]),
includes = ["."],
)
EOF
fi
esac
}
# Create symlinks so we can use tools and examples from the base_workspace.
base_workspace=$(pwd)/base_workspace
mkdir -p "$base_workspace"
rm -f "${base_workspace}/tools" && ln -s "$(pwd)/tools" "${base_workspace}/tools"
rm -f "${base_workspace}/third_party" && ln -s "$(pwd)/third_party" "${base_workspace}/third_party"
rm -f "${base_workspace}/examples" && ln -s "$(pwd)/examples" "${base_workspace}/examples"
case "${PLATFORM}" in
linux)
# Sorry, no static linking on linux for now.
LDFLAGS="$(pkg-config libarchive --libs) -lrt $LDFLAGS"
JNILIB="libunix.so"
MD5SUM="md5sum"
# JAVA_HOME must point to a Java 8 installation.
JAVA_HOME="${JAVA_HOME:-$(readlink -f $(which javac) | sed 's_/bin/javac__')}"
PROTOC=${PROTOC:-third_party/protobuf/protoc.linux-i686}
;;
darwin)
JNILIB="libunix.dylib"
MD5SUM="md5"
if [[ -z "$JAVA_HOME" ]]; then
JAVA_HOME="$(/usr/libexec/java_home -v 1.8+ 2> /dev/null)" \
|| fail "Could not find JAVA_HOME, please ensure a JDK (version 1.8+) is installed."
fi
PROTOC=${PROTOC:-third_party/protobuf/protoc.darwin}
homebrew_header=$(ls -1 $(brew --prefix libarchive 2>/dev/null)/include/archive.h 2>/dev/null | head -n1)
macports_header=$(port contents libarchive 2>/dev/null | grep /archive.h$ | xargs)
if [[ -e $homebrew_header ]]; then
# For use with Homebrew.
archive_dir=$(dirname $(dirname $homebrew_header))
ARCHIVE_CFLAGS="-I${archive_dir}/include"
LDFLAGS="-L${archive_dir}/lib -larchive $LDFLAGS"
elif [[ -e $macports_header ]]; then
# For use with Macports.
ARCHIVE_CFLAGS="-Ifromhost"
# Link libarchive statically
LDFLAGS="fromhost/libarchive.a fromhost/liblzo2.a \
fromhost/liblzma.a fromhost/libcharset.a \
fromhost/libbz2.a fromhost/libxml2.a \
fromhost/libz.a fromhost/libiconv.a \
$LDFLAGS"
else
log "WARNING: Could not find libarchive installation, proceeding bravely."
fi
;;
msys*|mingw*)
# Use a simplified platform string.
PLATFORM="mingw"
# Workaround for msys issue which causes omission of std::to_string.
CXXFLAGS="$CXXFLAGS -D_GLIBCXX_USE_C99 -D_GLIBCXX_USE_C99_DYNAMIC"
LDFLAGS="-larchive ${LDFLAGS}"
MD5SUM="md5sum"
EXE_EXT=".exe"
PATHSEP=";"
# Find the latest available version of the SDK.
JAVA_HOME="${JAVA_HOME:-$(ls -d /c/Program\ Files/Java/jdk* | sort | tail -n 1)}"
# We do not use the JNI library on Windows.
JNILIB=""
PROTOC=${PROTOC:-protoc}
# The newer version of GCC on msys is stricter and removes some important function
# declarations from the environment if using c++0x / c++11.
CXXSTD="gnu++11"
# Ensure that we are using the cygwin gcc, not the mingw64 gcc.
${CC} -v 2>&1 | grep "Target: .*mingw.*" > /dev/null &&
fail "mingw gcc detected. Please set CC to point to the msys/Cygwin gcc."
${CXX} -v 2>&1 | grep "Target: .*mingw.*" > /dev/null &&
fail "mingw g++ detected. Please set CXX to point to the msys/Cygwin g++."
MSYS_DLLS="msys-2.0.dll msys-gcc_s-seh-1.dll msys-stdc++-6.dll"
for dll in $MSYS_DLLS ; do
cp "/usr/bin/$dll" "output/$dll"
done
esac
[[ -x "${PROTOC-}" ]] \
|| fail "Protobuf compiler not found in ${PROTOC-}"
mkdir -p fromhost
if [ ! -f fromhost/BUILD ]; then
write_fromhost_build
fi
test -z "$JAVA_HOME" && fail "JDK not found, please set \$JAVA_HOME."
rm -f tools/jdk/jdk && ln -s "${JAVA_HOME}" tools/jdk/jdk
JAVAC="${JAVA_HOME}/bin/javac"
[[ -x "${JAVAC}" ]] \
|| fail "JAVA_HOME ($JAVA_HOME) is not a path to a working JDK."
JAVAC_VERSION=$("${JAVAC}" -version 2>&1)
[[ "$JAVAC_VERSION" =~ ^"javac 1"\.([89]|[1-9][0-9]).*$ ]] \
|| fail "JDK version is lower than 1.8, please set \$JAVA_HOME."
JAR="${JAVA_HOME}/bin/jar"
BLAZE_CC_FILES=(
src/main/cpp/blaze_startup_options.cc
src/main/cpp/blaze_startup_options_common.cc
src/main/cpp/blaze_util.cc
src/main/cpp/blaze_util_${PLATFORM}.cc
src/main/cpp/blaze.cc
src/main/cpp/option_processor.cc
src/main/cpp/util/errors.cc
src/main/cpp/util/file.cc
src/main/cpp/util/md5.cc
src/main/cpp/util/numbers.cc
src/main/cpp/util/port.cc
src/main/cpp/util/strings.cc
)
NATIVE_CC_FILES=(
src/main/cpp/util/md5.cc
src/main/native/localsocket.cc
src/main/native/process.cc
src/main/native/unix_jni.cc
src/main/native/unix_jni_${PLATFORM}.cc
)
IJAR_CC_FILES=(
third_party/ijar/ijar.cc
third_party/ijar/zip.cc
third_party/ijar/classfile.cc
)
# Compiles java classes.
function java_compilation() {
name=$1
directories=$2
library_jars=$3
output=$4
classpath=${library_jars// /$PATHSEP}:$5
sourcepath=${directories// /$PATHSEP}
tmp="$(mktemp -d ${TMPDIR:-/tmp}/bazel.XXXXXXXX)"
paramfile="${tmp}/param"
errfile="${tmp}/err"
mkdir -p "${output}/classes"
trap "cat \"$errfile\"; rm -f \"$paramfile\" \"$errfile\"; rmdir \"$tmp\"" EXIT
# Compile .java files (incl. generated ones) using javac
log "Compiling $name code..."
find ${directories} -name "*.java" > "$paramfile"
if [ ! -z "$BAZEL_DEBUG_JAVA_COMPILATION" ]; then
echo "directories=${directories}" >&2
echo "classpath=${classpath}" >&2
echo "sourcepath=${sourcepath}" >&2
echo "libraries=${library_jars}" >&2
echo "output=${output}/classes" >&2
echo "List of compiled files:" >&2
cat "$paramfile" >&2
fi
"${JAVAC}" -classpath "${classpath}" -sourcepath "${sourcepath}" \
-d "${output}/classes" -source "$JAVA_VERSION" -target "$JAVA_VERSION" \
"@${paramfile}" &> "$errfile" ||
exit $?
trap - EXIT
rm "$paramfile" "$errfile"
rmdir "$tmp"
log "Extracting helper classes for $name..."
for f in ${library_jars} ; do
unzip -qn ${f} -d "${output}/classes"
done
}
# Create the deploy JAR
function create_deploy_jar() {
name=$1
mainClass=$2
output=$3
shift 3
packages=""
for i in $output/classes/*; do
package=$(basename $i)
if [[ "$package" != "META-INF" ]]; then
packages="$packages -C $output/classes $package"
fi
done
log "Creating $name.jar..."
echo "Main-Class: $mainClass" > $output/MANIFEST.MF
"$JAR" cmf $output/MANIFEST.MF $output/$name.jar $packages "$@"
}
function cc_compile() {
local OBJDIR=$1
shift
mkdir -p "output/${OBJDIR}"
for FILE in "$@"; do
if [[ ! "${FILE}" =~ ^-.*$ ]]; then
local OBJ=$(basename "${FILE}").o
"${CXX}" \
-I. \
${ARCHIVE_CFLAGS} \
${CFLAGS} \
-std=$CXXSTD \
-c \
-DBLAZE_JAVA_CPU=\"k8\" \
-DBLAZE_OPENSOURCE=1 \
-o "output/${OBJDIR}/${OBJ}" \
"${FILE}"
fi
done
}
function cc_link() {
local OBJDIR=$1
local OUTPUT=$2
shift 2
local FILES=()
for FILE in "$@"; do
local OBJ=$(basename "${FILE}").o
FILES+=("output/${OBJDIR}/${OBJ}")
done
"${CXX}" -o ${OUTPUT} "${FILES[@]}" -lstdc++ ${LDFLAGS}
}
function cc_build() {
local NAME=$1
local OBJDIR=$2
local OUTPUT=$3
shift 3
log "Compiling ${NAME} .cc files..."
cc_compile "${OBJDIR}" "$@"
log "Linking ${NAME}..."
cc_link "${OBJDIR}" "${OUTPUT}" "$@"
}
if [ -z "${BAZEL_SKIP_JAVA_COMPILATION}" ]; then
log "Compiling Java stubs for protocol buffers..."
for f in $PROTO_FILES ; do
"${PROTOC}" -Isrc/main/protobuf/ --java_out=output/src "$f"
done
java_compilation "Bazel Java" "$DIRS" "$LIBRARY_JARS" "output"
# help files: all non java and BUILD files in src/main/java.
for i in $(find src/main/java -type f -a \! -name '*.java' -a \! -name 'BUILD' | sed 's|src/main/java/||'); do
mkdir -p $(dirname output/classes/$i)
cp src/main/java/$i output/classes/$i
done
# build-data.properties
git_version="non-git"
if [ -x "$(which git || true)" ] && [ -d .git ]; then
git_version=$(git log -1 --oneline | cut -d " " -f 1 2>/dev/null || \
echo "non-git")
fi
cat >output/classes/build-data.properties <<EOF
build.time=$(date)
build.label=bazel-compile.sh-${git_version}
EOF
create_deploy_jar "libblaze" "com.google.devtools.build.lib.bazel.BazelMain" \
output third_party/javascript
fi
if [ -z "${BAZEL_SKIP_SINGLEJAR_COMPILATION}" ]; then
# Compile singlejar, a jar suitable for deployment.
java_compilation "SingleJar tool" "$SINGLEJAR_DIRS" "$SINGLEJAR_LIBRARIES" \
"output/singlejar"
create_deploy_jar "SingleJar_deploy" \
"com.google.devtools.build.singlejar.SingleJar" "output/singlejar"
mkdir -p tools/jdk
cp -f output/singlejar/SingleJar_deploy.jar tools/jdk
fi
if [ -z "${BAZEL_SKIP_BUILDJAR_COMPILATION}" ]; then
# Compile buildjar, a wrapper around javac.
java_compilation "JavaBuilder tool" "$BUILDJAR_DIRS" "$BUILDJAR_LIBRARIES" \
"output/buildjar" $JAVA_HOME/lib/tools.jar
create_deploy_jar "JavaBuilder_deploy" \
"com.google.devtools.build.buildjar.BazelJavaBuilder" "output/buildjar"
mkdir -p tools/jdk
cp -f output/buildjar/JavaBuilder_deploy.jar tools/jdk
fi
cc_build "client" "objs" "output/client" ${BLAZE_CC_FILES[@]}
LDFLAGS="$LDFLAGS -lz" cc_build "ijar" "ijar" "tools/jdk/ijar" ${IJAR_CC_FILES[@]}
if [ ! -z "$JNILIB" ] ; then
log "Compiling JNI libraries..."
for FILE in "${NATIVE_CC_FILES[@]}"; do
OUT=$(basename "${FILE}").o
"${CXX}" \
-I . \
-I "${JAVA_HOME}/include/" \
-I "${JAVA_HOME}/include/${PLATFORM}" \
-std=$CXXSTD \
-fPIC \
-c \
-D_JNI_IMPLEMENTATION_ \
-DBLAZE_JAVA_CPU=\"k8\" \
-DBLAZE_OPENSOURCE=1 \
-o "output/native/${OUT}" \
"${FILE}"
done
log "Linking ${JNILIB}..."
"${CXX}" -o output/${JNILIB} $JNI_LD_ARGS -shared output/native/*.o -l stdc++
fi
log "Compiling build-runfiles..."
# Clang on Linux requires libstdc++
"${CXX}" -o output/build-runfiles -std=c++0x -l stdc++ src/main/tools/build-runfiles.cc
log "Compiling process-wrapper..."
"${CC}" -o output/process-wrapper -std=c99 src/main/tools/process-wrapper.c
if [[ $PLATFORM == "linux" ]]; then
log "Compiling sandbox..."
"${CC}" -o output/namespace-sandbox -std=c99 src/main/tools/namespace-sandbox.c
fi
cp src/main/tools/build_interface_so output/build_interface_so
cp src/main/tools/jdk.* output
touch output/client_info
chmod 755 output/client_info
log "Creating Bazel self-extracting archive..."
TO_ZIP="libblaze.jar ${JNILIB} build-runfiles${EXE_EXT} process-wrapper${EXE_EXT} client_info build_interface_so ${MSYS_DLLS} jdk.WORKSPACE jdk.BUILD"
if [[ $PLATFORM == "linux" ]]; then
TO_ZIP="$TO_ZIP namespace-sandbox${EXE_EXT}"
fi
(cd output/ ; cat client ${TO_ZIP} | ${MD5SUM} | awk '{ print $1; }' > install_base_key)
(cd output/ ; echo "${JAVA_VERSION}" > java.version)
(cd output/ ; find . -type f | xargs -P 10 touch -t 198001010000)
(cd output/ ; zip $ZIPOPTS -q package.zip ${TO_ZIP} install_base_key java.version)
cat output/client output/package.zip > output/bazel
zip -qA output/bazel \
|| echo "(Non-critical error, ignore.)"
chmod 755 output/bazel
if [[ $PLATFORM == "darwin" ]]; then
log "Creating objc helper tools..."
zip_common="src/tools/xcode-common/java/com/google/devtools/build/xcode/zip src/tools/xcode-common/java/com/google/devtools/build/xcode/util src/java_tools/singlejar/java/com/google/devtools/build/zip src/java_tools/singlejar/java/com/google/devtools/build/singlejar/ZipCombiner.java src/java_tools/singlejar/java/com/google/devtools/build/singlejar/ZipEntryFilter.java src/java_tools/singlejar/java/com/google/devtools/build/singlejar/CopyEntryFilter.java"
java_compilation "actoolzip" "src/tools/xcode-common/java/com/google/devtools/build/xcode/actoolzip src/tools/xcode-common/java/com/google/devtools/build/xcode/zippingoutput ${zip_common}" "third_party/guava/guava-18.0.jar third_party/jsr305/jsr-305.jar" "output/actoolzip"
create_deploy_jar "precomp_actoolzip_deploy" "com.google.devtools.build.xcode.actoolzip.ActoolZip" "output/actoolzip"
java_compilation "ibtoolzip" "src/tools/xcode-common/java/com/google/devtools/build/xcode/ibtoolzip src/tools/xcode-common/java/com/google/devtools/build/xcode/zippingoutput ${zip_common}" "third_party/guava/guava-18.0.jar third_party/jsr305/jsr-305.jar" "output/ibtoolzip"
create_deploy_jar "precomp_ibtoolzip_deploy" "com.google.devtools.build.xcode.ibtoolzip.IbtoolZip" "output/ibtoolzip"
java_compilation "momczip" "src/objc_tools/momczip/java/com/google/devtools/build/xcode/momczip src/tools/xcode-common/java/com/google/devtools/build/xcode/zippingoutput ${zip_common}" "third_party/guava/guava-18.0.jar third_party/jsr305/jsr-305.jar" "output/momczip"
create_deploy_jar "precomp_momczip_deploy" "com.google.devtools.build.xcode.momczip.MomcZip" "output/momczip"
java_compilation "bundlemerge" "src/objc_tools/bundlemerge/java/com/google/devtools/build/xcode/bundlemerge src/objc_tools/plmerge/java/com/google/devtools/build/xcode/plmerge src/tools/xcode-common/java/com/google/devtools/build/xcode/common output/src/com/google/devtools/build/xcode/bundlemerge/proto/BundleMergeProtos.java ${zip_common} third_party/java/dd_plist src/main/java/com/google/devtools/common/options" "third_party/guava/guava-18.0.jar third_party/jsr305/jsr-305.jar third_party/protobuf/protobuf-2.5.0.jar" "output/bundlemerge"
create_deploy_jar "precomp_bundlemerge_deploy" "com.google.devtools.build.xcode.bundlemerge.BundleMerge" "output/bundlemerge"
java_compilation "plmerge" "src/objc_tools/plmerge/java/com/google/devtools/build/xcode/plmerge src/tools/xcode-common/java/com/google/devtools/build/xcode/common third_party/java/dd_plist src/main/java/com/google/devtools/common/options ${zip_common}" "third_party/guava/guava-18.0.jar third_party/jsr305/jsr-305.jar" "output/plmerge"
create_deploy_jar "precomp_plmerge_deploy" "com.google.devtools.build.xcode.plmerge.PlMerge" "output/plmerge"
java_compilation "xcodegen" "src/objc_tools/xcodegen/java/com/google/devtools/build/xcode/xcodegen src/main/java/com/google/devtools/common/options output/src/com/google/devtools/build/xcode/xcodegen/proto/XcodeGenProtos.java third_party/java/buck-ios-support/java src/objc_tools/plmerge/java/com/google/devtools/build/xcode/plmerge src/tools/xcode-common/java/com/google/devtools/build/xcode/common src/tools/xcode-common/java/com/google/devtools/build/xcode/util third_party/java/dd_plist" "third_party/guava/guava-18.0.jar third_party/jsr305/jsr-305.jar third_party/protobuf/protobuf-2.5.0.jar" "output/xcodegen"
create_deploy_jar "precomp_xcodegen_deploy" "com.google.devtools.build.xcode.xcodegen.XcodeGen" "output/xcodegen"
cp -f output/actoolzip/precomp_actoolzip_deploy.jar output/ibtoolzip/precomp_ibtoolzip_deploy.jar output/momczip/precomp_momczip_deploy.jar output/bundlemerge/precomp_bundlemerge_deploy.jar output/plmerge/precomp_plmerge_deploy.jar output/xcodegen/precomp_xcodegen_deploy.jar tools/objc/
fi
# Create a bazelrc file with the base_workspace directory in the package path.
bazelrc='build --package_path %workspace%:'${base_workspace}
bazelrc="${bazelrc}"$'\nfetch --package_path %workspace%:'${base_workspace}
bazelrc="${bazelrc}"$'\nquery --package_path %workspace%:'${base_workspace}
if [ -z "${HOME-}" ]; then
warning="No \$HOME variable set, cannot write .bazelrc file."
warning="$warning Consider adding $base_workspace to your package path"
log $warning
elif [ ! -f $HOME/.bazelrc ]; then
log "Creating a .bazelrc pointing to $base_workspace"
echo "$bazelrc" > $HOME/.bazelrc
else
while read rcline; do
if ! grep -q "$rcline" $HOME/.bazelrc; then
warning="You already have a .bazelrc. Make sure it contains the "
warning="$warning following package paths:\n$bazelrc"
log "$warning"
break
fi
done <<< "$bazelrc"
fi
# Run "bazel fetch" to bring in the JDK (so users don't have to).
${PWD}/output/bazel fetch //...
log "Build successful! Binary is here: ${PWD}/output/bazel"
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