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      1 #!/bin/bash
      2 
      3 # Copyright (c) 2008 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 # This is a handy wrapper script that figures out how to call the strip
      8 # utility (strip_save_dsym in this case), if it even needs to be called at all,
      9 # and then does it.  This script should be called by a post-link phase in
     10 # targets that might generate Mach-O executables, dynamic libraries, or
     11 # loadable bundles.
     12 #
     13 # An example "Strip If Needed" build phase placed after "Link Binary With
     14 # Libraries" would do:
     15 # exec "${XCODEPROJ_DEPTH}/build/mac/strip_from_xcode"
     16 
     17 if [ "${CONFIGURATION}" != "Release" ] ; then
     18   # Only strip in release mode.
     19   exit 0
     20 fi
     21 
     22 declare -a FLAGS
     23 
     24 # MACH_O_TYPE is not set for a command-line tool, so check PRODUCT_TYPE too.
     25 # Weird.
     26 if [ "${MACH_O_TYPE}" = "mh_execute" ] || \
     27    [ "${PRODUCT_TYPE}" = "com.apple.product-type.tool" ] ; then
     28   # Strip everything (no special flags).  No-op.
     29   true
     30 elif [ "${MACH_O_TYPE}" = "mh_dylib" ] || \
     31      [ "${MACH_O_TYPE}" = "mh_bundle" ]; then
     32   # Strip debugging symbols and local symbols
     33   FLAGS[${#FLAGS[@]}]=-S
     34   FLAGS[${#FLAGS[@]}]=-x
     35 elif [ "${MACH_O_TYPE}" = "staticlib" ] ; then
     36   # Don't strip static libraries.
     37   exit 0
     38 else
     39   # Warn, but don't treat this as an error.
     40   echo $0: warning: unrecognized MACH_O_TYPE ${MACH_O_TYPE}
     41   exit 0
     42 fi
     43 
     44 if [ -n "${STRIPFLAGS}" ] ; then
     45   # Pick up the standard STRIPFLAGS Xcode setting, used for "Additional Strip
     46   # Flags".
     47   for stripflag in "${STRIPFLAGS}" ; do
     48     FLAGS[${#FLAGS[@]}]="${stripflag}"
     49   done
     50 fi
     51 
     52 if [ -n "${CHROMIUM_STRIP_SAVE_FILE}" ] ; then
     53   # An Xcode project can communicate a file listing symbols to saved in this
     54   # environment variable by setting it as a build setting.  This isn't a
     55   # standard Xcode setting.  It's used in preference to STRIPFLAGS to
     56   # eliminate quoting ambiguity concerns.
     57   FLAGS[${#FLAGS[@]}]=-s
     58   FLAGS[${#FLAGS[@]}]="${CHROMIUM_STRIP_SAVE_FILE}"
     59 fi
     60 
     61 exec "$(dirname ${0})/strip_save_dsym" "${FLAGS[@]}" \
     62      "${BUILT_PRODUCTS_DIR}/${EXECUTABLE_PATH}"
     63