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#!/bin/bash
# Copyright 2015 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.
# Script for building bazel from scratch without bazel
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}} ${OUTPUT_DIR}/src)
BLAZE_CC_FILES=(
src/main/cpp/blaze_startup_options.cc
src/main/cpp/blaze_startup_options_common.cc
src/main/cpp/blaze_util.cc
src/main/cpp/blaze_util_${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
third_party/ijar/zip.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
)
mkdir -p ${OUTPUT_DIR}/classes
mkdir -p ${OUTPUT_DIR}/test_classes
mkdir -p ${OUTPUT_DIR}/src
mkdir -p ${OUTPUT_DIR}/objs
mkdir -p ${OUTPUT_DIR}/native
# May be passed in from outside.
CXXFLAGS="$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
LDFLAGS=${LDFLAGS:-""}
# Extension for executables (.exe on Windows).
EXE_EXT=""
MSYS_DLLS=""
PATHSEP=":"
case "${PLATFORM}" in
linux)
LDFLAGS="-lz -lrt $LDFLAGS"
JNILIB="libunix.so"
MD5SUM="md5sum"
# JAVA_HOME must point to a Java installation.
JAVA_HOME="${JAVA_HOME:-$(readlink -f $(which javac) | sed 's_/bin/javac__')}"
PROTOC=${PROTOC:-third_party/protobuf/protoc-linux-x86_32.exe}
;;
darwin)
JNILIB="libunix.dylib"
MD5SUM="md5"
LDFLAGS="-lz $LDFLAGS"
if [[ -z "$JAVA_HOME" ]]; then
JAVA_HOME="$(/usr/libexec/java_home -v ${JAVA_VERSION}+ 2> /dev/null)" \
|| fail "Could not find JAVA_HOME, please ensure a JDK (version ${JAVA_VERSION}+) is installed."
fi
PROTOC=${PROTOC:-third_party/protobuf/protoc-osx-x86_32.exe}
;;
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="-lz $LDFLAGS"
MD5SUM="md5sum"
EXE_EXT=".exe"
PATHSEP=";"
# Find the latest available version of the SDK.
JAVA_HOME="${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" "${OUTPUT_DIR}/$dll"
done
esac
[[ -x "${PROTOC-}" ]] \
|| fail "Protobuf compiler not found in ${PROTOC-}"
test -z "$JAVA_HOME" && fail "JDK not found, please set \$JAVA_HOME."
JAVAC="${JAVA_HOME}/bin/javac"
[[ -x "${JAVAC}" ]] \
|| fail "JAVA_HOME ($JAVA_HOME) is not a path to a working JDK."
# Check that javac -version returns a upper version than $JAVA_VERSION.
JAVAC_VERSION=$("${JAVAC}" -version 2>&1)
if [[ "$JAVAC_VERSION" =~ ^"javac "(1\.([789]|[1-9][0-9])).*$ ]]; then
JAVAC_VERSION=${BASH_REMATCH[1]}
[ ${JAVA_VERSION#*.} -le ${JAVAC_VERSION#*.} ] || \
fail "JDK version (${JAVAC_VERSION}) is lower than ${JAVA_VERSION}, please set \$JAVA_HOME."
else
fail "Cannot determine JDK version, please set \$JAVA_HOME."
fi
JAR="${JAVA_HOME}/bin/jar"
# Compiles java classes.
function java_compilation() {
local name=$1
local directories=$2
local library_jars=$3
local output=$4
local classpath=${library_jars// /$PATHSEP}:$5
local sourcepath=${directories// /$PATHSEP}
tempdir
local tmp="${NEW_TMPDIR}"
local paramfile="${tmp}/param"
touch $paramfile
mkdir -p "${output}/classes"
# 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 "$paramfile" >&2
fi
run_silent "${JAVAC}" -classpath "${classpath}" -sourcepath "${sourcepath}" \
-d "${output}/classes" -source "$JAVA_VERSION" -target "$JAVA_VERSION" \
"@${paramfile}"
log "Extracting helper classes for $name..."
for f in ${library_jars} ; do
run_silent unzip -qn ${f} -d "${output}/classes"
done
}
# Create the deploy JAR
function create_deploy_jar() {
local name=$1
local mainClass=$2
local output=$3
shift 3
local packages=""
for i in $output/classes/*; do
local package=$(basename $i)
if [[ "$package" != "META-INF" ]]; then
packages="$packages -C $output/classes $package"
fi
done
log "Creating $name.jar..."
echo "Main-Class: $mainClass" > $output/MANIFEST.MF
run_silent "$JAR" cmf $output/MANIFEST.MF $output/$name.jar $packages "$@"
}
function cc_compile() {
local OBJDIR=$1
shift
mkdir -p "${OUTPUT_DIR}/${OBJDIR}"
for FILE in "$@"; do
if [[ ! "${FILE}" =~ ^-.*$ ]]; then
local OBJ=$(basename "${FILE}").o
run_silent "${CXX}" \
-I. \
${CFLAGS} \
-std=$CXXSTD \
-c \
-DBLAZE_JAVA_CPU=\"k8\" \
-DBLAZE_OPENSOURCE=1 \
-o "${OUTPUT_DIR}/${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+=("${OUTPUT_DIR}/${OBJDIR}/${OBJ}")
done
run_silent "${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 $PROTO_FILES ; do
run_silent "${PROTOC}" -Isrc/main/protobuf/ --java_out=${OUTPUT_DIR}/src "$f"
done
java_compilation "Bazel Java" "$DIRS" "$LIBRARY_JARS" "${OUTPUT_DIR}"
# 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 ${OUTPUT_DIR}/classes/$i)
cp src/main/java/$i ${OUTPUT_DIR}/classes/$i
done
create_deploy_jar "libblaze" "com.google.devtools.build.lib.bazel.BazelMain" \
${OUTPUT_DIR} third_party/javascript
fi
cc_build "client" "objs" "${OUTPUT_DIR}/client" ${BLAZE_CC_FILES[@]}
if [ ! -z "$JNILIB" ] ; then
log "Compiling JNI libraries..."
for FILE in "${NATIVE_CC_FILES[@]}"; do
OUT=$(basename "${FILE}").o
run_silent "${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 "${OUTPUT_DIR}/native/${OUT}" \
"${FILE}"
done
log "Linking ${JNILIB}..."
run_silent "${CXX}" -o ${OUTPUT_DIR}/${JNILIB} $JNI_LD_ARGS -shared ${OUTPUT_DIR}/native/*.o -l stdc++
fi
log "Compiling build-runfiles..."
# Clang on Linux requires libstdc++
run_silent "${CXX}" -o ${OUTPUT_DIR}/build-runfiles -std=c++0x -l stdc++ src/main/tools/build-runfiles.cc
log "Compiling process-wrapper..."
run_silent "${CC}" -o ${OUTPUT_DIR}/process-wrapper -std=c99 src/main/tools/process-wrapper.c
cp src/main/tools/build_interface_so ${OUTPUT_DIR}/build_interface_so
cp src/main/tools/jdk.* ${OUTPUT_DIR}
log "Creating Bazel self-extracting archive..."
TO_ZIP="libblaze.jar ${JNILIB} build-runfiles${EXE_EXT} process-wrapper${EXE_EXT} build_interface_so ${MSYS_DLLS} jdk.WORKSPACE jdk.BUILD"
(cd ${OUTPUT_DIR}/ ; cat client ${TO_ZIP} | ${MD5SUM} | awk '{ print $1; }' > install_base_key)
(cd ${OUTPUT_DIR}/ ; echo "${JAVA_VERSION}" > java.version)
(cd ${OUTPUT_DIR}/ ; find . -type f | xargs -P 10 touch -t 198001010000)
(cd ${OUTPUT_DIR}/ ; zip $ZIPOPTS -q package.zip ${TO_ZIP} install_base_key java.version)
cat ${OUTPUT_DIR}/client ${OUTPUT_DIR}/package.zip > ${OUTPUT_DIR}/bazel
zip -qA ${OUTPUT_DIR}/bazel \
|| echo "(Non-critical error, ignore.)"
chmod 755 ${OUTPUT_DIR}/bazel
|