iOS library build script
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
diff --git a/talk/build/build_ios_libs.sh b/talk/build/build_ios_libs.sh
new file mode 100755
index 0000000..d2d7c67
--- /dev/null
+++ b/talk/build/build_ios_libs.sh
@@ -0,0 +1,89 @@
+#!/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}
diff --git a/talk/build/merge_ios_libs b/talk/build/merge_ios_libs
new file mode 100755
index 0000000..98fd306
--- /dev/null
+++ b/talk/build/merge_ios_libs
@@ -0,0 +1,126 @@
+#!/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())
diff --git a/talk/build/merge_ios_libs.gyp b/talk/build/merge_ios_libs.gyp
new file mode 100644
index 0000000..b9639ad
--- /dev/null
+++ b/talk/build/merge_ios_libs.gyp
@@ -0,0 +1,44 @@
+#
+# 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',],
+ },
+ ],
+ }]
+ ],
+}
