commit fcdc2be0a2da32a939e172564300d5a09259b75e Author: David Fifield david@bamsoftware.com Date: Wed Jul 5 22:55:39 2017 -0700

Build webrtc for mac. --- gitian/descriptors/mac/gitian-webrtc.yml | 139 ++++++++++++++ gitian/mkbundle-mac.sh | 41 ++++- gitian/patches/webrtc-mac.patch | 305 +++++++++++++++++++++++++++++++ 3 files changed, 475 insertions(+), 10 deletions(-)

diff --git a/gitian/descriptors/mac/gitian-webrtc.yml b/gitian/descriptors/mac/gitian-webrtc.yml new file mode 100644 index 0000000..c5f0509 --- /dev/null +++ b/gitian/descriptors/mac/gitian-webrtc.yml @@ -0,0 +1,139 @@ +--- +name: "webrtc-mac" +distro: "debian" +suites: +- "jessie" +architectures: +- "amd64" +packages: +- "unzip" +- "zip" +- "libglib2.0-dev" +- "libgtk2.0-dev" +- "pkg-config" +- "python-biplist" +reference_datetime: "2000-01-01 00:00:00" +remotes: +- "url": "https://chromium.googlesource.com/chromium/tools/depot_tools.git" + "dir": "depot_tools" +files: +- "versions" +- "clang-linux64-jessie-utils.zip" +- "cctools.tar.gz" +- "MacOSX10.7.sdk.tar.gz" +- "dzip.sh" +- "webrtc.tar.gz" +- "webrtc-mac.patch" +script: | + INSTDIR="$HOME/install" + source versions + export REFERENCE_DATETIME + export TZ=UTC + export LC_ALL=C + umask 0022 + # + mkdir -p $OUTDIR/ + + # Setting up depot_tools + # https://dev.chromium.org/developers/how-tos/install-depot-tools + export PATH="$PATH:$PWD/depot_tools" + # Disable automatic updating. + export DEPOT_TOOLS_UPDATE=0 + + # Extracting all the necessary tools + tar xaf cctools.tar.gz + unzip clang-linux64-jessie-utils.zip + tar xaf MacOSX10.7.sdk.tar.gz + export SDKROOT="$PWD/MacOSX10.7.sdk" + # src/build/toolchain/mac/filter_libtool.py wants libtool to be called exactly "libtool". + ln -sf x86_64-apple-darwin10-libtool $HOME/build/cctools/bin/libtool + # ld needs libLTO.so from llvm + export LD_LIBRARY_PATH="$HOME/build/clang/lib" + export PATH="$HOME/build/cctools/bin:$PATH" + export AR=x86_64-apple-darwin10-ar + # Certain cross-compiling flags are set in webrtc-mac.patch because the build + # system doesn't honor CFLAGS etc. environment variables. + + # Building webrtc + tar xaf webrtc.tar.gz + cd webrtc/src + patch -p1 < ../../webrtc-mac.patch + + # The linux descriptor builds its own copy of gn, using tools/gn/bootstrap/bootstrap.py. + # I tried that here, but for some reason the gn so built doesn't work. On "gn gen", + # it crashes with this error: + # [0624/022439.767916:FATAL:command_gen.cc(59)] Check failed: !rule.empty(). + # Instead, use the gn packaged with depot_tools. + GN="$HOME/build/depot_tools/gn" + + # Hardcode the output of some utility programs that otherwise require Xcode + # tools, like xcode-select, xcodebuild, sw_vers, and xcrun. This probably + # needs to be kept in sync with the SDK version. + cat <<EOF > build/mac/find_sdk.py + print("$SDKROOT") + print("10.7") + EOF + cat <<EOF > build/config/mac/sdk_info.py + print("machine_os_build="10.7"") + print("sdk_build="10.7"") + print("sdk_path="$SDKROOT"") + print("sdk_platform_path="$SDKROOT"") + print("sdk_version="10.7"") + print("xcode_build="7.3"") + print("xcode_version="0730"") + EOF + + export GN_ARGS="" + # For a list of all possible GN args, do "gn gen out/Release; gn args --list out/Release". + # https://chromium.googlesource.com/chromium/src/+/master/tools/gn/docs/cross_... + GN_ARGS+=" target_os="mac" target_cpu="x64" mac_deployment_target="10.7"" + # Not debug. + GN_ARGS+=" is_debug=false" + # There are warnings from unused returns. + GN_ARGS+=" treat_warnings_as_errors=false" + # Build static libraries. + GN_ARGS+=" is_component_build=false" + # Do not use bundled utilities. + GN_ARGS+=" is_clang=false use_sysroot=false" + GN_ARGS+=" clang_use_chrome_plugins=false" + GN_ARGS+=" clang_base_path="$HOME/build/clang"" + GN_ARGS+=" gold_path="$INSTDIR/binutils/bin"" + # Avoid some dependencies. + GN_ARGS+=" rtc_include_opus=false rtc_include_ilbc=false rtc_include_internal_audio_device=false" + # Tests are needed for field_trial, metrics_default, and pc_test_utils targets + # (which include code needed by go-webrtc). + GN_ARGS+=" rtc_include_tests=true" + # Make sure not to use bundled clang and binutils. + rm -rf third_party/llvm-build + rm -rf third_party/binutils + rm -rf out/Release + "$GN" gen out/Release --args="$GN_ARGS" + ninja -C out/Release webrtc field_trial metrics_default pc_test_utils + # The cctools ar doesn't have the 'D' deterministic option of GNU ar, but the + # ZERO_AR_DATE environment variable similarly sets timestamps within the + # archive to zero. + # https://opensource.apple.com/source/cctools/cctools-886/ar/archive.c.auto.ht... + # https://codereview.chromium.org/699083004/ + # .o files under out/Release/obj/ are the build outputs. Don't include .o + # files from elsewhere under out/ because they are build helpers and things + # like that, not necessarily of the target architecture, and anyway are not + # needed. + # https://bugs.torproject.org/22832 + ZERO_AR_DATE=1 "$AR" crs libwebrtc-magic.a $(find out/Release/obj -name '*.o' | sort) + # ZERO_AR_DATE additionally sets the mtime of the .a file itself to zero + # (1970-01-01), so change it to match everything else. + touch --date="$REFERENCE_DATETIME" libwebrtc-magic.a + cd ../.. + + # Grabbing the result + cd $INSTDIR + mkdir -p webrtc/include webrtc/lib + cp -f $HOME/build/webrtc/src/libwebrtc-magic.a webrtc/lib/libwebrtc-darwin-amd64-magic.a + INCLUDE_DIR="$PWD/webrtc/include" + (cd $HOME/build/webrtc/src && for h in $(find talk/ webrtc/ -type f -name '*.h'); do + mkdir -p "$INCLUDE_DIR/$(dirname $h)" + cp -f "$h" "$INCLUDE_DIR/$h" + done) + + ~/build/dzip.sh webrtc-mac64-gbuilt.zip webrtc + cp webrtc-mac64-gbuilt.zip $OUTDIR/ diff --git a/gitian/mkbundle-mac.sh b/gitian/mkbundle-mac.sh index 7f02f05..646aca6 100755 --- a/gitian/mkbundle-mac.sh +++ b/gitian/mkbundle-mac.sh @@ -140,7 +140,7 @@ if [ ! -f inputs/clang-$CLANG_VER-linux64-jessie-utils.zip -o \ ! -f inputs/libevent-${LIBEVENT_TAG_ORIG#release-}-mac64-utils.zip ]; then echo - echo "****** Starting Utilities Component of Mac Bundle (1/5 for Mac) ******" + echo "****** Starting Utilities Component of Mac Bundle (1/6 for Mac) ******" echo ./bin/gbuild -j $NUM_PROCS -m $VM_MEMORY --commit libevent=$LIBEVENT_TAG,faketime=$FAKETIME_TAG,cmake=$CMAKE_TAG,llvm=$LLVM_TAG,clang=$CLANG_TAG $DESCRIPTOR_DIR/mac/gitian-utils.yml if [ $? -ne 0 ]; @@ -158,7 +158,7 @@ then #cp -a result/utils-mac-res.yml inputs/ else echo - echo "****** SKIPPING already built Utilities Component of Mac Bundle (1/5 for + echo "****** SKIPPING already built Utilities Component of Mac Bundle (1/6 for Mac) ******" echo # We might have built the utilities in the past but maybe the links are @@ -173,7 +173,7 @@ fi if [ ! -f inputs/tor-mac64-gbuilt.zip ]; then echo - echo "****** Starting Tor Component of Mac Bundle (2/5 for Mac) ******" + echo "****** Starting Tor Component of Mac Bundle (2/6 for Mac) ******" echo

./bin/gbuild -j $NUM_PROCS -m $VM_MEMORY --commit tor=$TOR_TAG $DESCRIPTOR_DIR/mac/gitian-tor.yml @@ -187,14 +187,14 @@ then #cp -a result/tor-mac-res.yml inputs/ else echo - echo "****** SKIPPING already built Tor Component of Mac Bundle (2/5 for Mac) ******" + echo "****** SKIPPING already built Tor Component of Mac Bundle (2/6 for Mac) ******" echo fi

if [ ! -f inputs/tor-browser-mac64-gbuilt.zip ]; then echo - echo "****** Starting TorBrowser Component of Mac Bundle (3/5 for Mac) ******" + echo "****** Starting TorBrowser Component of Mac Bundle (3/6 for Mac) ******" echo

./bin/gbuild -j $NUM_PROCS -m $VM_MEMORY --commit tor-browser=$TORBROWSER_TAG,faketime=$FAKETIME_TAG $DESCRIPTOR_DIR/mac/gitian-firefox.yml @@ -209,14 +209,35 @@ then #cp -a result/torbrowser-mac-res.yml inputs/ else echo - echo "****** SKIPPING already built TorBrowser Component of Mac Bundle (3/5 for Mac) ******" + echo "****** SKIPPING already built TorBrowser Component of Mac Bundle (3/6 for Mac) ******" + echo +fi + +if [ ! -f inputs/webrtc-mac64-gbuilt.zip ]; +then + echo + echo "****** Starting WebRTC Component of Mac Bundle (4/6 for Mac) ******" + echo + + ./bin/gbuild -j $NUM_PROCS -m $VM_MEMORY --commit depot_tools=$DEPOT_TOOLS_TAG $DESCRIPTOR_DIR/mac/gitian-webrtc.yml + if [ $? -ne 0 ]; + then + #mv var/build.log ./webrtc-fail-mac.log.`date +%Y%m%d%H%M%S` + exit 1 + fi + + cp -a build/out/webrtc-mac*-gbuilt.zip inputs/ + #cp -a result/webrtc-mac-res.yml inputs/ +else + echo + echo "****** SKIPPING already built WebRTC Component of Mac Bundle (4/6 for Mac) ******" echo fi

if [ ! -f inputs/pluggable-transports-mac64-gbuilt.zip ]; then echo - echo "****** Starting Pluggable Transports Component of Mac Bundle (4/5 for Mac) ******" + echo "****** Starting Pluggable Transports Component of Mac Bundle (5/6 for Mac) ******" echo

./bin/gbuild -j $NUM_PROCS -m $VM_MEMORY --commit goptlib=$GOPTLIB_TAG,meek=$MEEK_TAG,ed25519=$GOED25519_TAG,siphash=$GOSIPHASH_TAG,goxcrypto=$GO_X_CRYPTO_TAG,goxnet=$GO_X_NET_TAG,obfs4=$OBFS4_TAG $DESCRIPTOR_DIR/mac/gitian-pluggable-transports.yml @@ -230,7 +251,7 @@ then #cp -a result/pluggable-transports-mac-res.yml inputs/ else echo - echo "****** SKIPPING already built Pluggable Transports Component of Mac Bundle (4/5 for Mac) ******" + echo "****** SKIPPING already built Pluggable Transports Component of Mac Bundle (5/6 for Mac) ******" echo fi

@@ -238,7 +259,7 @@ fi if [ ! -f inputs/bundle-mac.gbuilt ]; then echo - echo "****** Starting Bundling+Localization Component of Mac Bundle (5/5 for Mac) ******" + echo "****** Starting Bundling+Localization Component of Mac Bundle (6/6 for Mac) ******" echo

cd $WRAPPER_DIR && ./record-inputs.sh $VERSIONS_FILE && cd $GITIAN_DIR @@ -255,7 +276,7 @@ then touch inputs/bundle-mac.gbuilt else echo - echo "****** SKIPPING already built Bundling+Localization Component of Mac Bundle (5/5 for Mac) ******" + echo "****** SKIPPING already built Bundling+Localization Component of Mac Bundle (6/6 for Mac) ******" echo fi

diff --git a/gitian/patches/webrtc-mac.patch b/gitian/patches/webrtc-mac.patch new file mode 100644 index 0000000..f1e6109 --- /dev/null +++ b/gitian/patches/webrtc-mac.patch @@ -0,0 +1,305 @@ +From bd27c327f72ea231353983aa35a0c3e6ae8055d5 Mon Sep 17 00:00:00 2001 +From: David Fifield david@bamsoftware.com +Date: Mon, 26 Jun 2017 11:26:55 -0700 +Subject: [PATCH 1/8] Disable assertions that prevent cross-compiling for mac. + +--- + config/BUILDCONFIG.gn | 4 ++-- + toolchain/mac/BUILD.gn | 2 +- + 2 files changed, 3 insertions(+), 3 deletions(-) + +diff --git a/build/config/BUILDCONFIG.gn b/build/config/BUILDCONFIG.gn +index d055e705..78a2023a 100644 +--- a/build/config/BUILDCONFIG.gn ++++ b/build/config/BUILDCONFIG.gn +@@ -232,8 +232,8 @@ if (target_os == "android") { + } else if (target_os == "ios") { + _default_toolchain = "//build/toolchain/mac:ios_clang_$target_cpu" + } else if (target_os == "mac") { +- assert(host_os == "mac", "Mac cross-compiles are unsupported.") +- _default_toolchain = host_toolchain ++ # assert(host_os == "mac", "Mac cross-compiles are unsupported.") ++ _default_toolchain = "//build/toolchain/mac:clang_$host_cpu" + } else if (target_os == "win") { + # On Windows we use the same toolchain for host and target by default. + assert(target_os == host_os, "Win cross-compiles only work on win hosts.") +diff --git a/build/toolchain/mac/BUILD.gn b/build/toolchain/mac/BUILD.gn +index b417e76a..5f48927d 100644 +--- a/build/toolchain/mac/BUILD.gn ++++ b/build/toolchain/mac/BUILD.gn +@@ -14,7 +14,7 @@ if (is_ios) { + import("//build/config/mac/mac_sdk.gni") + import("//build/config/mac/symbols.gni") + +-assert(host_os == "mac") ++# assert(host_os == "mac") + + import("//build/toolchain/cc_wrapper.gni") + import("//build/toolchain/clang_static_analyzer.gni") +-- +2.11.0 + +From a58bb43ea406939fcc978aa808714d04802074ac Mon Sep 17 00:00:00 2001 +From: David Fifield david@bamsoftware.com +Date: Mon, 26 Jun 2017 11:29:14 -0700 +Subject: [PATCH 2/8] Hardcode cross-compiling flags in config/mac/BUILD.gn. + +The build system doesn't provide a general way to set flags externally. +"No way to provide extra CFLAGS/CXXFLAGS/LDFLAGS" +https://bugs.chromium.org/p/chromium/issues/detail?id=595653 +--- + config/mac/BUILD.gn | 5 +++++ + 1 file changed, 5 insertions(+) + +diff --git a/build/config/mac/BUILD.gn b/build/config/mac/BUILD.gn +index 84180e6a..2054b46f 100644 +--- a/build/config/mac/BUILD.gn ++++ b/build/config/mac/BUILD.gn +@@ -83,6 +83,11 @@ config("runtime_library") { + "-isysroot", + sysroot, + "-mmacosx-version-min=$mac_deployment_target", ++ "-target", ++ "x86_64-apple-darwin10", ++ "-mlinker-version=136", ++ "-B", ++ "/home/debian/build/cctools/bin", + ] + + asmflags = common_flags +-- +2.11.0 + +From 4c57d854280a0f0a4f55cba0457ae44f6369ca08 Mon Sep 17 00:00:00 2001 +From: David Fifield david@bamsoftware.com +Date: Mon, 26 Jun 2017 11:30:28 -0700 +Subject: [PATCH 3/8] Port build/config/mac/plist_util.py to biplist. + +So as not to require the plutil command. plutil was only being used to +convert between XML and binary plist formats, because versions of the +plistlib module before Python 3.4 only support the XML format. The +biplist library handles both formats natively. + +FAILED: gen/webrtc/examples/AppRTCMobile_info_plist_merged.plist +python ../../build/config/mac/plist_util.py merge -f=xml1 -o=gen/webrtc/examples/AppRTCMobile_info_plist_merged.plist ../../build/config/mac/BuildInfo.plist ../../webrtc/examples/objc/AppRTCMobile/mac/Info.plist +Traceback (most recent call last): + File "../../build/config/mac/plist_util.py", line 254, in <module> + sys.exit(Main()) + File "../../build/config/mac/plist_util.py", line 250, in Main + args.func(args) + File "../../build/config/mac/plist_util.py", line 207, in _Execute + data = MergePList(data, LoadPList(filename)) + File "../../build/config/mac/plist_util.py", line 121, in LoadPList + subprocess.check_call(['plutil', '-convert', 'xml1', '-o', name, path]) + File "/usr/lib/python2.7/subprocess.py", line 535, in check_call + retcode = call(*popenargs, **kwargs) + File "/usr/lib/python2.7/subprocess.py", line 522, in call + return Popen(*popenargs, **kwargs).wait() + File "/usr/lib/python2.7/subprocess.py", line 710, in __init__ + errread, errwrite) + File "/usr/lib/python2.7/subprocess.py", line 1335, in _execute_child + raise child_exception +OSError: [Errno 2] No such file or directory +--- + config/mac/plist_util.py | 4 +++- + 1 file changed, 3 insertions(+), 1 deletion(-) + +diff --git a/build/config/mac/plist_util.py b/build/config/mac/plist_util.py +index 0928fa13..898edc1a 100644 +--- a/build/config/mac/plist_util.py ++++ b/build/config/mac/plist_util.py +@@ -3,7 +3,7 @@ + # found in the LICENSE file. + + import argparse +-import plistlib ++import biplist + import os + import re + import subprocess +@@ -116,6 +116,7 @@ def Interpolate(plist, substitutions): + + def LoadPList(path): + """Loads Plist at |path| and returns it as a dictionary.""" ++ return biplist.readPlist(path) + fd, name = tempfile.mkstemp() + try: + subprocess.check_call(['plutil', '-convert', 'xml1', '-o', name, path]) +@@ -127,6 +128,7 @@ def LoadPList(path): + + def SavePList(path, format, data): + """Saves |data| as a Plist to |path| in the specified |format|.""" ++ return biplist.writePlist(data, path, {"xml1": False, "binary1": True}[format]) # doesn't handle "json" format + fd, name = tempfile.mkstemp() + try: + with os.fdopen(fd, 'w') as f: +-- +2.11.0 + +From d9577991412310d3313d9dcd86453ce24f845c2e Mon Sep 17 00:00:00 2001 +From: David Fifield david@bamsoftware.com +Date: Mon, 26 Jun 2017 11:37:34 -0700 +Subject: [PATCH 4/8] Hack workaround to disable dispatch_queue_get_label. + +dispatch_queue_get_label and DISPATCH_CURRENT_QUEUE_LABEL require SDK +10.9+. I don't know if removing this code even makes sense, but it at +least won't crash immediately because of a null pointer. + +https://developer.apple.com/documentation/dispatch/dispatch_current_queue_la... +https://developer.apple.com/library/content/releasenotes/General/APIDiffsMac... + +FAILED: obj/webrtc/base/rtc_task_queue/sequenced_task_checker_impl.o ../../../../clang/bin/clang++ -MMD -MF obj/webrtc/base/rtc_task_queue/sequenced_task_checker_impl.o.d -DV8_DEPRECATION_WARNINGS -DNO_TCMALLOC -DUSE_EXTERNAL_POPUP_MENU=1 -DFULL_SAFE_BROWSING -DSAFE_BROWSING_CSD -DSAFE_BROWSING_DB_LOCAL -DCHROMIUM_BUILD -DENABLE_MEDIA_ROUTER=1 -DFIELDTRIAL_TESTING_ENABLED -DCR_XCODE_VERSION=0730 -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D_FORTIFY_SOURCE=2 -D__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORE=0 -DNDEBUG -DNVALGRIND -DDYNAMIC_ANNOTATIONS_ENABLED=0 -DEXPAT_RELATIVE_PATH -DHAVE_SCTP -DWEBRTC_POSIX -DWEBRTC_MAC -I../.. -Igen -fno-strict-aliasing -fstack-protector -Wno-builtin-macro-redefined -D__DATE__= -D__TIME__= -D__TIMESTAMP__= -arch x86_64 -Wall -Wpartial-availability -Wno-unused-local-typedefs -Wno-maybe-uninitialized -Wno-missing-field-initializers -Wno-unused-parameter -O2 -gdwarf-2 -isysroot /home/debian/build/MacOSX10.7.sdk -mmacosx-version-min=10.9 -targ et x86_64-apple-darwin10 -mlinker-version=136 -B /home/debian/build/cctools/bin -fvisibility=hidden -Wextra -Wno-unused-parameter -Wno-missing-field-initializers -Wno-strict-overflow -fvisibility-inlines-hidden -std=c++11 -stdlib=libc++ -Wno-narrowing -fno-rtti -fno-exceptions -Wnon-virtual-dtor -Woverloaded-virtual -c ../../webrtc/base/sequenced_task_checker_impl.cc -o obj/webrtc/base/rtc_task_queue/sequenced_task_checker_impl.o +warning: unknown warning option '-Wno-maybe-uninitialized'; did you mean '-Wno-uninitialized'? [-Wunknown-warning-option] +../../webrtc/base/sequenced_task_checker_impl.cc:34:46: error: use of undeclared identifier 'DISPATCH_CURRENT_QUEUE_LABEL' + current_queue = dispatch_queue_get_label(DISPATCH_CURRENT_QUEUE_LABEL); + ^ +--- + webrtc/base/sequenced_task_checker_impl.cc | 5 +++-- + 1 file changed, 3 insertions(+), 2 deletions(-) + +diff --git a/webrtc/base/sequenced_task_checker_impl.cc b/webrtc/base/sequenced_task_checker_impl.cc +index f03e0b679..352b2162d 100644 +--- a/webrtc/base/sequenced_task_checker_impl.cc ++++ b/webrtc/base/sequenced_task_checker_impl.cc +@@ -30,8 +30,9 @@ bool SequencedTaskCheckerImpl::CalledSequentially() const { + #if defined(WEBRTC_MAC) + // If we're not running on a TaskQueue, use the system dispatch queue + // label as an identifier. +- if (current_queue == nullptr) +- current_queue = dispatch_queue_get_label(DISPATCH_CURRENT_QUEUE_LABEL); ++ // Disable this because dispatch_queue_get_label requires SDK 10.9+. ++ // if (current_queue == nullptr) ++ // current_queue = dispatch_queue_get_label(DISPATCH_CURRENT_QUEUE_LABEL); + #endif + CritScope scoped_lock(&lock_); + if (!attached_) { // true if previously detached. +-- +2.11.0 + + +From 62a6fa6376194ce673c220eef19fefeebe58fee1 Mon Sep 17 00:00:00 2001 +From: David Fifield david@bamsoftware.com +Date: Mon, 26 Jun 2017 11:41:16 -0700 +Subject: [PATCH 5/8] Include <sys/socket.h> in macifaddrs_converter.cc. + +Without this, when built against MacOSX10.7.sdk, there are errors: + +In file included from ../../webrtc/base/macifaddrs_converter.cc:13: +/home/debian/build/MacOSX10.7.sdk/usr/include/net/if.h:300:19: error: field has incomplete type 'struct sockaddr' + struct sockaddr ifru_addr; + +Related references: +https://trac.macports.org/ticket/49012 +https://trac.macports.org/browser/trunk/dports/gnome/gstreamer1/files/patch-... +--- + webrtc/base/macifaddrs_converter.cc | 1 + + 1 file changed, 1 insertion(+) + +diff --git a/webrtc/base/macifaddrs_converter.cc b/webrtc/base/macifaddrs_converter.cc +index 2ad070e8e..1995f1940 100644 +--- a/webrtc/base/macifaddrs_converter.cc ++++ b/webrtc/base/macifaddrs_converter.cc +@@ -10,6 +10,7 @@ + + #include <memory> + ++#include <sys/socket.h> + #include <net/if.h> + #include <sys/ioctl.h> + #include <unistd.h> +-- +2.11.0 + + +From e6a421534723408fb1292ce25051a1970f750a4a Mon Sep 17 00:00:00 2001 +From: David Fifield david@bamsoftware.com +Date: Mon, 26 Jun 2017 11:42:34 -0700 +Subject: [PATCH 6/8] Provide definitions of NS_ENUM and NS_OPTIONS. + +--- + webrtc/sdk/objc/Framework/Headers/WebRTC/RTCMacros.h | 13 +++++++++++++ + 1 file changed, 13 insertions(+) + +diff --git a/webrtc/sdk/objc/Framework/Headers/WebRTC/RTCMacros.h b/webrtc/sdk/objc/Framework/Headers/WebRTC/RTCMacros.h +index f9f15c37d..277676d85 100644 +--- a/webrtc/sdk/objc/Framework/Headers/WebRTC/RTCMacros.h ++++ b/webrtc/sdk/objc/Framework/Headers/WebRTC/RTCMacros.h +@@ -25,4 +25,17 @@ + #define RTC_FWD_DECL_OBJC_CLASS(classname) typedef struct objc_object classname + #endif + ++// http://iamthewalr.us/blog/2012/11/ns_enum-and-ns_options/ ++#if (__cplusplus && __cplusplus >= 201103L && (__has_extension(cxx_strong_enums) || __has_feature(objc_fixed_enum))) || (!__cplusplus && __has_feature(objc_fixed_enum)) ++#define NS_ENUM(_type, _name) enum _name : _type _name; enum _name : _type ++#if (__cplusplus) ++#define NS_OPTIONS(_type, _name) _type _name; enum : _type ++#else ++#define NS_OPTIONS(_type, _name) enum _name : _type _name; enum _name : _type ++#endif ++#else ++#define NS_ENUM(_type, _name) _type _name; enum ++#define NS_OPTIONS(_type, _name) _type _name; enum ++#endif ++ + #endif // WEBRTC_BASE_OBJC_RTC_MACROS_H_ +-- +2.11.0 + + +From baf5ddbd1e1281cd7c4cdda709e2ea7e07903727 Mon Sep 17 00:00:00 2001 +From: David Fifield david@bamsoftware.com +Date: Mon, 26 Jun 2017 11:43:05 -0700 +Subject: [PATCH 7/8] Replace firstObject with objectAtIndex:0. + +firstObject doesn't exist in our version of the SDK. + +The two method calls are not exactly the same; on an empty array, +firstObject returns nil while objectAtIndex:0 raises an exception. Let's +hope that doesn't matter. +--- + webrtc/modules/video_capture/objc/rtc_video_capture_objc.mm | 2 +- + 1 file changed, 1 insertion(+), 1 deletion(-) + +diff --git a/webrtc/modules/video_capture/objc/rtc_video_capture_objc.mm b/webrtc/modules/video_capture/objc/rtc_video_capture_objc.mm +index 182056228..93bea08f9 100644 +--- a/webrtc/modules/video_capture/objc/rtc_video_capture_objc.mm ++++ b/webrtc/modules/video_capture/objc/rtc_video_capture_objc.mm +@@ -176,7 +176,7 @@ using namespace webrtc::videocapturemodule; + } + + - (AVCaptureVideoDataOutput*)currentOutput { +- return [[_captureSession outputs] firstObject]; ++ return [[_captureSession outputs] objectAtIndex:0]; + } + + - (void)startCaptureInBackgroundWithOutput: +-- +2.11.0 + + +From 0b5f86af5bc4b7697ee60adf7e1e057a023438e0 Mon Sep 17 00:00:00 2001 +From: David Fifield david@bamsoftware.com +Date: Mon, 26 Jun 2017 11:43:51 -0700 +Subject: [PATCH 8/8] Disable the desktop_capture module. + +It's causing an error related to CoreGraphics.h and hopefully we don't +need it. +--- + webrtc/modules/BUILD.gn | 1 - + 1 file changed, 1 deletion(-) + +diff --git a/webrtc/modules/BUILD.gn b/webrtc/modules/BUILD.gn +index e750a8109..590f34275 100644 +--- a/webrtc/modules/BUILD.gn ++++ b/webrtc/modules/BUILD.gn +@@ -18,7 +18,6 @@ group("modules") { + "audio_processing", + "bitrate_controller", + "congestion_controller", +- "desktop_capture", + "media_file", + "pacing", + "remote_bitrate_estimator", +-- +2.11.0 +