header-checker: Move clang-tools build script

This commit moves clang-tools build script from `prebuilts/clang-tools`
to `development` so that it will be easier to read the git history of
the file.

Test: OUT_DIR=$(pwd) ./prebuilts/clang-tools/build-prebuilts.sh
Change-Id: I6be5aded52ae141eb139f050b4bf08a48893cf6e

1 files changed, 130 insertions, 0 deletions

diff --git a/vndk/tools/header-checker/android/build-prebuilts.sh b/vndk/tools/header-checker/android/build-prebuilts.sh
new file mode 100755
index 000000000..299ce905d
--- /dev/null
+++ b/vndk/tools/header-checker/android/build-prebuilts.sh
@@ -0,0 +1,130 @@
+#!/bin/bash -ex
+
+# Copyright 2019 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.
+
+export LLVM_BUILD_HOST_TOOLS=true
+export LLVM_PREBUILTS_VERSION=clang-r365631
+export LLVM_RELEASE_VERSION=9.0.6
+
+# FIXME: Workaround to build bionic versioner in the aosp/clang-tools branch.
+export FORCE_BUILD_LLVM_COMPONENTS=true
+
+if [ -z "${OUT_DIR}" ]; then
+    echo "error: Must set OUT_DIR"
+    exit 1
+fi
+
+TOP=$(pwd)
+
+UNAME="$(uname)"
+case "${UNAME}" in
+Linux)
+    OS='linux'
+    ;;
+Darwin)
+    OS='darwin'
+    ;;
+*)
+    echo "error: Unknown uname: ${UNAME}"
+    exit 1
+    ;;
+esac
+
+# Setup Soong configuration
+SOONG_OUT="${OUT_DIR}/soong"
+SOONG_HOST_OUT="${OUT_DIR}/soong/host/${OS}-x86"
+rm -rf "${SOONG_OUT}"
+mkdir -p "${SOONG_OUT}"
+cat > "${SOONG_OUT}/soong.variables" << __EOF__
+{
+    "Allow_missing_dependencies": true,
+    "HostArch":"x86_64"
+}
+__EOF__
+
+# Targets to be built
+SOONG_BINARIES=(
+    "cxx_extractor"
+    "header-abi-linker"
+    "header-abi-dumper"
+    "header-abi-diff"
+    "merge-abi-diff"
+    "versioner"
+)
+
+binaries=()
+for name in "${SOONG_BINARIES[@]}"; do
+    binaries+=("${SOONG_HOST_OUT}/bin/${name}")
+done
+
+libs=()
+if [ "${OS}" = "darwin" ]; then
+    libs+=("${SOONG_HOST_OUT}/lib64/libc++abi_host.dylib")
+fi
+
+# Build binaries and shared libs
+build/soong/soong_ui.bash --make-mode --skip-make "${binaries[@]}" "${libs[@]}"
+
+# Copy binaries and shared libs
+SOONG_DIST="${SOONG_OUT}/dist"
+mkdir -p "${SOONG_DIST}/bin"
+cp "${binaries[@]}" "${SOONG_DIST}/bin"
+cp -R "${SOONG_HOST_OUT}/lib"* "${SOONG_DIST}"
+
+# Copy clang header and share files
+CLANG_DIR="prebuilts/clang/host/${OS}-x86/${LLVM_PREBUILTS_VERSION}"
+CLANG_LIB_DIR="${CLANG_DIR}/lib64/clang/${LLVM_RELEASE_VERSION}"
+CLANG_LIB_DIR_OUT="${SOONG_DIST}/lib64/clang/${LLVM_RELEASE_VERSION}"
+mkdir -p "${CLANG_LIB_DIR_OUT}"
+cp -R "${CLANG_LIB_DIR}/share" "${CLANG_LIB_DIR_OUT}/share"
+cp -R "${CLANG_LIB_DIR}/include" "${CLANG_LIB_DIR_OUT}/include"
+ln -s "lib64/clang/${LLVM_RELEASE_VERSION}/include" "${SOONG_DIST}/clang-headers"
+
+# Normalize library file names.  All library file names must match their soname.
+function extract_soname () {
+    local file="$1"
+
+    case "${OS}" in
+    linux)
+        readelf -d "${file}" | \
+            grep '(SONAME)\s*Library soname: \[.*\]$' -o | \
+            sed 's/(SONAME)\s*Library soname: \[\(.*\)\]$/\1/g'
+        ;;
+    darwin)
+        local install_path="$(otool -D "${file}" | sed -n 2p)"
+        if [ -n "${install_path}" ]; then
+            basename "${install_path}"
+        fi
+        ;;
+    esac
+}
+
+for file in "${SOONG_OUT}/dist/lib"*"/"*; do
+    soname="$(extract_soname "${file}")"
+    if [ -n "${soname}" -a "$(basename "${file}")" != "${soname}" ]; then
+        mv "${file}" "$(dirname "${file}")/${soname}"
+    fi
+done
+
+# Package binaries and shared libs
+(
+    cd "${SOONG_OUT}/dist"
+    zip -qryX build-prebuilts.zip *
+)
+
+if [ -n "${DIST_DIR}" ]; then
+    mkdir -p "${DIST_DIR}" || true
+    cp "${SOONG_OUT}/dist/build-prebuilts.zip" "${DIST_DIR}/"
+fi