[libcxx-commits] [libcxx] b68bf11 - [libc++] Merge the Apple install-libcxx and libcxxabi scripts

Louis Dionne via libcxx-commits libcxx-commits at lists.llvm.org
Thu Jun 4 08:20:30 PDT 2020


Author: Louis Dionne
Date: 2020-06-04T11:20:03-04:00
New Revision: b68bf11efc46b0a81b22089d6bd78ee9d30a1d22

URL: https://github.com/llvm/llvm-project/commit/b68bf11efc46b0a81b22089d6bd78ee9d30a1d22
DIFF: https://github.com/llvm/llvm-project/commit/b68bf11efc46b0a81b22089d6bd78ee9d30a1d22.diff

LOG: [libc++] Merge the Apple install-libcxx and libcxxabi scripts

Also, refactor the now-merged script to remove code duplication in the
creation of universal dylibs.

Added: 
    

Modified: 
    libcxx/utils/ci/apple-install-libcxx.sh
    libcxx/utils/ci/macos-trunk.sh

Removed: 
    libcxx/utils/ci/apple-install-libcxxabi.sh


################################################################################
diff  --git a/libcxx/utils/ci/apple-install-libcxx.sh b/libcxx/utils/ci/apple-install-libcxx.sh
index 8af854a8aa06..3175dd01cc48 100755
--- a/libcxx/utils/ci/apple-install-libcxx.sh
+++ b/libcxx/utils/ci/apple-install-libcxx.sh
@@ -97,10 +97,6 @@ for arg in llvm_root build_dir symbols_dir install_dir sdk architectures version
     fi
 done
 
-install_name_dir="/usr/lib"
-dylib_name="libc++.1.dylib"
-make_symlink="yes"
-
 function step() {
     separator="$(printf "%0.s-" $(seq 1 ${#1}))"
     echo
@@ -109,8 +105,13 @@ function step() {
     echo "${separator}"
 }
 
+install_name_dir="/usr/lib"
+dylib_name="libc++.1.dylib"
+make_symlink="yes"
+headers_prefix="${install_dir}"
+
 for arch in ${architectures}; do
-    step "Building libc++.dylib for architecture ${arch}"
+    step "Building libc++.dylib and libc++abi.dylib for architecture ${arch}"
     mkdir -p "${build_dir}/${arch}"
     (cd "${build_dir}/${arch}" &&
         xcrun --sdk "${sdk}" cmake "${llvm_root}/llvm" \
@@ -121,35 +122,57 @@ for arch in ${architectures}; do
             -DCMAKE_INSTALL_PREFIX="${build_dir}/${arch}-install" \
             -DCMAKE_INSTALL_NAME_DIR="${install_name_dir}" \
             -DCMAKE_OSX_ARCHITECTURES="${arch}" \
+            -DLIBCXXABI_LIBRARY_VERSION="${version}" \
             -DLIBCXX_INCLUDE_BENCHMARKS=OFF \
             -DLIBCXX_INCLUDE_TESTS=OFF
     )
 
-    xcrun --sdk "${sdk}" cmake --build "${build_dir}/${arch}" --target install-cxx -- -v
+    xcrun --sdk "${sdk}" cmake --build "${build_dir}/${arch}" --target install-cxx install-cxxabi -- -v
 done
 
-step "Creating a universal dylib from the dylibs for all architectures"
-input_dylibs=$(for arch in ${architectures}; do
-    echo "${build_dir}/${arch}-install/lib/${dylib_name}"
-done)
-xcrun --sdk "${sdk}" lipo -create ${input_dylibs} -output "${build_dir}/${dylib_name}"
+function universal_dylib() {
+    dylib=${1}
+
+    inputs=$(for arch in ${architectures}; do echo "${build_dir}/${arch}-install/lib/${dylib}"; done)
+
+    step "Creating a universal dylib ${dylib} from the dylibs for all architectures"
+    xcrun --sdk "${sdk}" lipo -create ${inputs} -output "${build_dir}/${dylib}"
+
+    step "Installing the (stripped) universal dylib to ${install_dir}/usr/lib"
+    mkdir -p "${install_dir}/usr/lib"
+    cp "${build_dir}/${dylib}" "${install_dir}/usr/lib/${dylib}"
+    xcrun --sdk "${sdk}" strip -S "${install_dir}/usr/lib/${dylib}"
+
+    step "Installing the unstripped dylib and the dSYM bundle to ${symbols_dir}"
+    xcrun --sdk "${sdk}" dsymutil "${build_dir}/${dylib}" -o "${symbols_dir}/${dylib}.dSYM"
+    cp "${build_dir}/${dylib}" "${symbols_dir}/${dylib}"
+}
+
+universal_dylib ${dylib_name}
+universal_dylib libc++abi.dylib
 
-step "Installing the (stripped) universal dylib to ${install_dir}/usr/lib"
-mkdir -p "${install_dir}/usr/lib"
-cp "${build_dir}/${dylib_name}" "${install_dir}/usr/lib/${dylib_name}"
-xcrun --sdk "${sdk}" strip -S "${install_dir}/usr/lib/${dylib_name}"
 if [[ "${make_symlink}" == "yes" ]]; then
     (cd "${install_dir}/usr/lib" && ln -s "${dylib_name}" libc++.dylib)
 fi
 
-step "Installing the unstripped dylib and the dSYM bundle to ${symbols_dir}"
-xcrun --sdk "${sdk}" dsymutil "${build_dir}/${dylib_name}" -o "${symbols_dir}/${dylib_name}.dSYM"
-cp "${build_dir}/${dylib_name}" "${symbols_dir}/${dylib_name}"
-
-#
 # Install the headers by copying the headers from one of the built architectures
 # into the install directory. Headers from all architectures should be the same.
-#
+step "Installing the libc++ and libc++abi headers to ${headers_prefix}/usr/include"
 any_arch=$(echo ${architectures} | cut -d ' ' -f 1)
-mkdir -p "${install_dir}/usr/include"
-ditto "${build_dir}/${any_arch}-install/include" "${install_dir}/usr/include"
+mkdir -p "${headers_prefix}/usr/include"
+ditto "${build_dir}/${any_arch}-install/include" "${headers_prefix}/usr/include"
+ditto "${llvm_root}/libcxxabi/include" "${headers_prefix}/usr/include" # TODO: libcxxabi should install its headers in CMake
+if [[ $EUID -eq 0 ]]; then # Only chown if we're running as root
+    chown -R root:wheel "${headers_prefix}/usr/include"
+fi
+
+step "Installing the libc++ and libc++abi licenses"
+mkdir -p "${headers_prefix}/usr/local/OpenSourceLicenses"
+cp "${llvm_root}/libcxx/LICENSE.TXT" "${headers_prefix}/usr/local/OpenSourceLicenses/libcxx.txt"
+cp "${llvm_root}/libcxxabi/LICENSE.TXT" "${headers_prefix}/usr/local/OpenSourceLicenses/libcxxabi.txt"
+
+# Also install a static archive for libc++abi
+libcxxabi_archives=$(for arch in ${architectures}; do echo "${build_dir}/${arch}-install/lib/libc++abi.a"; done)
+step "Creating a universal libc++abi static archive from the static archives for each architecture"
+mkdir -p "${install_dir}/usr/local/lib/libcxx"
+xcrun --sdk "${sdk}" libtool -static ${libcxxabi_archives} -o "${install_dir}/usr/local/lib/libcxx/libc++abi-static.a"

diff  --git a/libcxx/utils/ci/apple-install-libcxxabi.sh b/libcxx/utils/ci/apple-install-libcxxabi.sh
deleted file mode 100755
index ac3255d0deea..000000000000
--- a/libcxx/utils/ci/apple-install-libcxxabi.sh
+++ /dev/null
@@ -1,168 +0,0 @@
-#!/usr/bin/env bash
-#===----------------------------------------------------------------------===##
-#
-# Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
-# See https://llvm.org/LICENSE.txt for license information.
-# SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
-#
-#===----------------------------------------------------------------------===##
-
-set -e
-
-PROGNAME="$(basename "${0}")"
-
-function error() { printf "error: %s\n" "$*"; exit 1; }
-
-function usage() {
-cat <<EOF
-Usage:
-${PROGNAME} [options]
-
-[-h|--help]                  Display this help and exit.
-
---llvm-root <DIR>            Full path to the root of the LLVM monorepo. Only the libcxx
-                             and libcxxabi directories are required.
-
---build-dir <DIR>            Full path to the directory to use for building. This will
-                             contain intermediate build products.
-
---install-dir <DIR>          Full path to the directory to install the library to.
-
---symbols-dir <DIR>          Full path to the directory to install the .dSYM bundle to.
-
---sdk <SDK>                  SDK used for building the library. This represents
-                             the target platform that the library will run on.
-                             You can get a list of SDKs with \`xcodebuild -showsdks\`.
-
---architectures "<arch>..."  A whitespace separated list of architectures to build for.
-                             The library will be built for each architecture independently,
-                             and a universal binary containing all architectures will be
-                             created from that.
-
---version X[.Y[.Z]]          The version of the library to encode in the dylib.
-
---cache <PATH>               The CMake cache to use to control how the library gets built.
-EOF
-}
-
-while [[ $# -gt 0 ]]; do
-    case ${1} in
-        -h|--help)
-            usage
-            exit 0
-            ;;
-        --llvm-root)
-            llvm_root="${2}"
-            shift; shift
-            ;;
-        --build-dir)
-            build_dir="${2}"
-            shift; shift
-            ;;
-        --symbols-dir)
-            symbols_dir="${2}"
-            shift; shift
-            ;;
-        --install-dir)
-            install_dir="${2}"
-            shift; shift
-            ;;
-        --sdk)
-            sdk="${2}"
-            shift; shift
-            ;;
-        --architectures)
-            architectures="${2}"
-            shift; shift
-            ;;
-        --version)
-            version="${2}"
-            shift; shift
-            ;;
-        --cache)
-            cache="${2}"
-            shift; shift
-            ;;
-        *)
-            error "Unknown argument '${1}'"
-            ;;
-    esac
-done
-
-for arg in llvm_root build_dir symbols_dir install_dir sdk architectures version cache; do
-    if [ -z ${!arg+x} ]; then
-        error "Missing required argument '--${arg//_/-}'"
-    elif [ "${!arg}" == "" ]; then
-        error "Argument to --${arg//_/-} must not be empty"
-    fi
-done
-
-function step() {
-    separator="$(printf "%0.s-" $(seq 1 ${#1}))"
-    echo
-    echo "${separator}"
-    echo "${1}"
-    echo "${separator}"
-}
-
-install_name_dir="/usr/lib"
-headers_prefix="${install_dir}"
-
-for arch in ${architectures}; do
-    step "Building libc++abi.dylib for architecture ${arch}"
-    mkdir -p "${build_dir}/${arch}"
-    (cd "${build_dir}/${arch}" &&
-        xcrun --sdk "${sdk}" cmake "${llvm_root}/llvm" \
-            -GNinja \
-            -DCMAKE_MAKE_PROGRAM="$(xcrun --sdk "${sdk}" --find ninja)" \
-            -DLLVM_ENABLE_PROJECTS="libcxx;libcxxabi" \
-            -C "${cache}" \
-            -DCMAKE_INSTALL_PREFIX="${build_dir}/${arch}-install" \
-            -DCMAKE_INSTALL_NAME_DIR="${install_name_dir}" \
-            -DCMAKE_OSX_ARCHITECTURES="${arch}" \
-            -DLIBCXXABI_LIBRARY_VERSION="${version}" \
-            -DLIBCXXABI_LIBCXX_PATH="${llvm_root}/libcxx"
-    )
-
-    xcrun --sdk "${sdk}" cmake --build "${build_dir}/${arch}" --target install-cxxabi -- -v
-done
-
-all_dylibs=$(for arch in ${architectures}; do
-    echo "${build_dir}/${arch}-install/lib/libc++abi.dylib"
-done)
-
-all_archives=$(for arch in ${architectures}; do
-    echo "${build_dir}/${arch}-install/lib/libc++abi.a"
-done)
-
-step "Creating a universal dylib from the dylibs for each architecture at ${install_dir}/usr/lib"
-xcrun --sdk "${sdk}" lipo -create ${all_dylibs} -output "${build_dir}/libc++abi.dylib"
-
-step "Installing the (stripped) universal dylib to ${install_dir}/usr/lib"
-mkdir -p "${install_dir}/usr/lib"
-cp "${build_dir}/libc++abi.dylib" "${install_dir}/usr/lib/libc++abi.dylib"
-xcrun --sdk "${sdk}" strip -S "${install_dir}/usr/lib/libc++abi.dylib"
-
-step "Installing the unstripped dylib and the dSYM bundle to ${symbols_dir}"
-xcrun --sdk "${sdk}" dsymutil "${build_dir}/libc++abi.dylib" -o "${symbols_dir}/libc++abi.dylib.dSYM"
-cp "${build_dir}/libc++abi.dylib" "${symbols_dir}/libc++abi.dylib"
-
-step "Creating a universal static archive from the static archives for each architecture"
-mkdir -p "${install_dir}/usr/local/lib/libcxx"
-xcrun --sdk "${sdk}" libtool -static ${all_archives} -o "${install_dir}/usr/local/lib/libcxx/libc++abi-static.a"
-
-#
-# Install the headers by copying the headers from the source directory into
-# the install directory.
-# TODO: In the future, we should install the headers through CMake.
-#
-step "Installing the libc++abi headers to ${headers_prefix}/usr/include"
-mkdir -p "${headers_prefix}/usr/include"
-ditto "${llvm_root}/libcxxabi/include" "${headers_prefix}/usr/include"
-if [[ $EUID -eq 0 ]]; then # Only chown if we're running as root
-    chown -R root:wheel "${headers_prefix}/usr/include"
-fi
-
-step "Installing the libc++abi license"
-mkdir -p "${headers_prefix}/usr/local/OpenSourceLicenses"
-cp "${llvm_root}/libcxxabi/LICENSE.TXT" "${headers_prefix}/usr/local/OpenSourceLicenses/libcxxabi.txt"

diff  --git a/libcxx/utils/ci/macos-trunk.sh b/libcxx/utils/ci/macos-trunk.sh
index 843d23c1d00c..dc977db9a844 100755
--- a/libcxx/utils/ci/macos-trunk.sh
+++ b/libcxx/utils/ci/macos-trunk.sh
@@ -128,19 +128,9 @@ echo "@@@@@@"
 echo "@@@ Building libc++ and libc++abi using the Apple script (to make sure they work) @@@"
 "${MONOREPO_ROOT}/libcxx/utils/ci/apple-install-libcxx.sh"      \
     --llvm-root "${MONOREPO_ROOT}"                              \
-    --build-dir "${LLVM_BUILD_DIR}/apple-build-cxx"             \
-    --install-dir "${LLVM_BUILD_DIR}/apple-install-cxx"         \
-    --symbols-dir "${LLVM_BUILD_DIR}/apple-symbols-cxx"         \
-    --sdk macosx                                                \
-    --architectures "x86_64"                                    \
-    --version 999.99.99                                         \
-    --cache "${MONOREPO_ROOT}/libcxx/cmake/caches/Apple.cmake"
-
-"${MONOREPO_ROOT}/libcxx/utils/ci/apple-install-libcxxabi.sh"   \
-    --llvm-root "${MONOREPO_ROOT}"                              \
-    --build-dir "${LLVM_BUILD_DIR}/apple-build-cxxabi"          \
-    --install-dir "${LLVM_BUILD_DIR}/apple-install-cxxabi"      \
-    --symbols-dir "${LLVM_BUILD_DIR}/apple-symbols-cxxabi"      \
+    --build-dir "${LLVM_BUILD_DIR}/apple-build"                 \
+    --install-dir "${LLVM_BUILD_DIR}/apple-install"             \
+    --symbols-dir "${LLVM_BUILD_DIR}/apple-symbols"             \
     --sdk macosx                                                \
     --architectures "x86_64"                                    \
     --version 999.99.99                                         \


        


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