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iOS library build script

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Script for building iOS fat libraries with armv7/arm64/x86_64.

BUG=4119
R=jiayl@webrtc.org

Review URL: https://webrtc-codereview.appspot.com/51429004

Cr-Commit-Position: refs/heads/master@{#8834}
git-svn-id: http://webrtc.googlecode.com/svn/trunk@8834 4adac7df-926f-26a2-2b94-8c16560cd09d
This commit is contained in:
tkchin@webrtc.org 2015-03-23 19:07:37 +00:00
parent 9509fbfc30
commit 64eb2ff0b9
3 changed files with 259 additions and 0 deletions
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89
talk/build/build_ios_libs.sh Executable file
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#!/bin/bash
#
# libjingle
# Copyright 2015 Google Inc.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
#
# 1. Redistributions of source code must retain the above copyright notice,
# this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright notice,
# this list of conditions and the following disclaimer in the documentation
# and/or other materials provided with the distribution.
# 3. The name of the author may not be used to endorse or promote products
# derived from this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
# WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
# MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
# EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
# OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
# OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
# ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
# Generates static FAT libraries for ios in out_ios_libs.
# Check for Darwin.
if [[ ! $(uname) = "Darwin" ]]; then
echo "OS/X required." >&2
fi
# Check for libtool.
if [[ -z $(which libtool) ]]; then
echo "Missing libtool binary." >&2
fi
# Check for GYP generator.
SCRIPT_DIR=$(dirname $0)
WEBRTC_BASE_DIR=${SCRIPT_DIR}/../..
GYP_WEBRTC_SCRIPT=${WEBRTC_BASE_DIR}/webrtc/build/gyp_webrtc
if [[ ! -x ${GYP_WEBRTC_SCRIPT} ]]; then
echo "Failed to find gyp generator." >&2
exit 1
fi
# Check for merge script.
MERGE_SCRIPT=${SCRIPT_DIR}/merge_ios_libs
if [[ ! -x ${MERGE_SCRIPT} ]]; then
echo "Failed to find library merging script." >&2
exit 1
fi
pushd ${WEBRTC_BASE_DIR}
LIBRARY_BASE_DIR="out_ios_libs"
function build_webrtc {
OUTPUT_DIR=$1
FLAVOR=$2
TARGET_ARCH=$3
TARGET_SUBARCH=$4
if [[ ${TARGET_ARCH} = 'armv7' || ${TARGET_ARCH} = 'arm64' ]]; then
FLAVOR="${FLAVOR}-iphoneos"
else
FLAVOR="${FLAVOR}-iphonesimulator"
fi
export GYP_DEFINES="OS=ios"
export GYP_DEFINES="${GYP_DEFINES} target_arch=${TARGET_ARCH}"
if [[ -n ${TARGET_SUBARCH} ]]; then
export GYP_DEFINES="${GYP_DEFINES} target_subarch=${TARGET_SUBARCH}"
fi
export GYP_GENERATORS="ninja"
export GYP_GENERATOR_FLAGS="output_dir=${OUTPUT_DIR}"
webrtc/build/gyp_webrtc talk/build/merge_ios_libs.gyp
ninja -C ${OUTPUT_DIR}/${FLAVOR} libjingle_peerconnection_objc_no_op
mkdir -p ${LIBRARY_BASE_DIR}/${TARGET_ARCH}
mv ${OUTPUT_DIR}/${FLAVOR}/*.a ${LIBRARY_BASE_DIR}/${TARGET_ARCH}
}
# Build all the common architectures.
build_webrtc "out_ios_armv7" "Release" "armv7"
build_webrtc "out_ios_arm64" "Release" "arm64" "arm64"
build_webrtc "out_ios_x86_64" "Release" "x64" "arm64"
popd
# Merge the libraries together.
${MERGE_SCRIPT} ${WEBRTC_BASE_DIR}/${LIBRARY_BASE_DIR}

126
talk/build/merge_ios_libs Executable file
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#!/usr/bin/python
#
# libjingle
# Copyright 2015 Google Inc.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
#
# 1. Redistributions of source code must retain the above copyright notice,
# this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright notice,
# this list of conditions and the following disclaimer in the documentation
# and/or other materials provided with the distribution.
# 3. The name of the author may not be used to endorse or promote products
# derived from this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
# WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
# MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
# EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
# OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
# OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
# ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
"""Script for merging generated iOS libraries."""
import optparse
import os
import re
import subprocess
import sys
def MergeLibs(lib_base_dir):
"""Merges generated iOS libraries for different archs.
Uses libtool to generate FAT archive files for each generated library.
Args:
lib_base_dir: directory whose subdirectories are named by architecture and
contain the built libraries for that architecture
Returns:
Exit code of libtool.
"""
output_dir_name = 'fat'
archs = [arch for arch in os.listdir(lib_base_dir)
if arch[:1] != '.' and arch != output_dir_name]
# For each arch, find (library name, libary path) for arch. We will merge
# all libraries with the same name.
libs = {}
for dirpath, _, filenames in os.walk(lib_base_dir):
if dirpath.endswith(output_dir_name):
continue
for filename in filenames:
if not filename.endswith('.a'):
continue
entry = libs.get(filename, [])
entry.append(os.path.join(dirpath, filename))
libs[filename] = entry
# Some sublibaries are only present in certain architectures. We merge
# them into their parent library so that the library list is consistent
# across architectures.
libs_copy = dict(libs)
for library, paths in libs.items():
if len(paths) < len(archs):
# Hacky: we find parent libraries by stripping off each name component.
components = library.strip('.a').split('_')[:-1]
found = False
while components:
parent_library = '_'.join(components) + '.a'
if (parent_library in libs_copy
and len(libs_copy[parent_library]) >= len(archs)):
libs[parent_library].extend(paths)
del libs[library]
found = True
break
components = components[:-1]
assert found
# Create output directory.
output_dir_path = os.path.join(lib_base_dir, output_dir_name)
if not os.path.exists(output_dir_path):
os.mkdir(output_dir_path)
# Use this so libtool merged binaries are always the same.
env = os.environ.copy()
env['ZERO_AR_DATE'] = '1'
# Ignore certain errors.
libtool_re = re.compile(r'^.*libtool:.*file: .* has no symbols$')
# Merge libraries using libtool.
for library, paths in libs.items():
cmd_list = ['libtool', '-static', '-v', '-o',
os.path.join(output_dir_path, library)] + paths
libtoolout = subprocess.Popen(cmd_list, stderr=subprocess.PIPE, env=env)
_, err = libtoolout.communicate()
for line in err.splitlines():
if not libtool_re.match(line):
print >>sys.stderr, line
# Unconditionally touch the output .a file on the command line if present
# and the command succeeded. A bit hacky.
if not libtoolout.returncode:
for i in range(len(cmd_list) - 1):
if cmd_list[i] == '-o' and cmd_list[i+1].endswith('.a'):
os.utime(cmd_list[i+1], None)
break
else:
return libtoolout.returncode
return libtoolout.returncode
def Main():
parser = optparse.OptionParser()
_, args = parser.parse_args()
if len(args) != 1:
parser.error('Error: Exactly 1 argument required.')
lib_base_dir = args[0]
MergeLibs(lib_base_dir)
if __name__ == '__main__':
sys.exit(Main())

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talk/build/merge_ios_libs.gyp Normal file
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#
# libjingle
# Copyright 2015 Google Inc.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
#
# 1. Redistributions of source code must retain the above copyright notice,
# this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright notice,
# this list of conditions and the following disclaimer in the documentation
# and/or other materials provided with the distribution.
# 3. The name of the author may not be used to endorse or promote products
# derived from this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
# WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
# MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
# EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
# OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
# OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
# ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
{
'includes': ['common.gypi',],
'conditions': [
['OS=="ios" or (OS=="mac" and mac_sdk>="10.8")', {
'targets': [
{
'target_name': 'libjingle_peerconnection_objc_no_op',
'includes': [ 'objc_app.gypi' ],
'type': 'executable',
'dependencies': [
'../libjingle.gyp:libjingle_peerconnection_objc',
],
'sources': ['<(DEPTH)/webrtc/build/no_op.cc',],
},
],
}]
],
}