Home | History | Annotate | Download | only in mac
      1 #!/bin/bash
      2 
      3 # Copyright (c) 2013 The Chromium Authors. All rights reserved.
      4 # Use of this source code is governed by a BSD-style license that can be
      5 # found in the LICENSE file.
      6 
      7 # For app bundles built with ASan, copies the runtime lib
      8 # (libclang_rt.asan_osx_dynamic.dylib), on which their executables depend, from
      9 # the compiler installation path into the bundle and fixes the dylib's install
     10 # name in the binary to be relative to @executable_path.
     11 
     12 set -e
     13 
     14 BINARY="${BUILT_PRODUCTS_DIR}/${EXECUTABLE_PATH}"
     15 BINARY_DIR="$(dirname "${BINARY}")"
     16 ASAN_DYLIB_NAME=libclang_rt.asan_osx_dynamic.dylib
     17 ASAN_DYLIB=$(find \
     18     "${BUILT_PRODUCTS_DIR}/../../third_party/llvm-build/Release+Asserts/lib/clang/" \
     19     -type f -path "*${ASAN_DYLIB_NAME}")
     20 
     21 # Find the link to the ASan runtime encoded in the binary.
     22 BUILTIN_DYLIB_PATH=$(otool -L "${BINARY}" | \
     23     sed -Ene 's/^[[:blank:]]+(.*libclang_rt\.asan_osx_dynamic\.dylib).*$/\1/p')
     24 
     25 if [[ -z "${BUILTIN_DYLIB_PATH}" ]]; then
     26   echo "${BINARY} does not depend on the ASan runtime library!" >&2
     27   # TODO(glider): make this return 1 when we fully switch to the dynamic
     28   # runtime in ASan.
     29   exit 0
     30 fi
     31 
     32 DYLIB_BASENAME=$(basename "${ASAN_DYLIB}")
     33 if [[ "${DYLIB_BASENAME}" != "${ASAN_DYLIB_NAME}" ]]; then
     34   echo "basename(${ASAN_DYLIB}) != ${ASAN_DYLIB_NAME}" >&2
     35   exit 1
     36 fi
     37 
     38 # Check whether the directory containing the executable binary is named
     39 # "MacOS". In this case we're building a full-fledged OSX app and will put
     40 # the runtime into appname.app/Contents/Libraries/. Otherwise this is probably
     41 # an iOS gtest app, and the ASan runtime is put next to the executable.
     42 UPPER_DIR=$(dirname "${BINARY_DIR}")
     43 if [ "${UPPER_DIR}" == "MacOS" ]; then
     44   LIBRARIES_DIR="${UPPER_DIR}/Libraries"
     45   mkdir -p "${LIBRARIES_DIR}"
     46   NEW_LC_ID_DYLIB="@executable_path/../Libraries/${ASAN_DYLIB_NAME}"
     47 else
     48   LIBRARIES_DIR="${BINARY_DIR}"
     49   NEW_LC_ID_DYLIB="@executable_path/${ASAN_DYLIB_NAME}"
     50 fi
     51 
     52 cp "${ASAN_DYLIB}" "${LIBRARIES_DIR}"
     53 
     54 # Make LC_ID_DYLIB of the runtime copy point to its location.
     55 install_name_tool \
     56     -id "${NEW_LC_ID_DYLIB}" \
     57     "${LIBRARIES_DIR}/${ASAN_DYLIB_NAME}"
     58 
     59 # Fix the rpath to the runtime library recorded in the binary.
     60 install_name_tool \
     61     -change "${BUILTIN_DYLIB_PATH}" \
     62     "${NEW_LC_ID_DYLIB}" \
     63     "${BINARY}"
     64