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Use source_sets in component builds and static_library in release builds.

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Static libraries don't guarantee that an exported symbol gets linked
into a shared library (and in order to support Chromium's component
build mode, WebRTC needs to be linked as a shared library).

Source sets always pass all the object files to the linker.

On the flip side, source_sets link more object files in release builds
and to avoid this, this CL introduces a the GN template "rtc_library" that
expands to static_library during release builds and to source_set during
component builds.

See: https://gn.googlesource.com/gn/+/master/docs/reference.md#func_source_set

Bug: webrtc:9419
Change-Id: I4667e820c2b3fcec417becbd2034acc13e4f04fe
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/157168
Commit-Queue: Mirko Bonadei <mbonadei@webrtc.org>
Reviewed-by: Karl Wiberg <kwiberg@webrtc.org>
Reviewed-by: Nico Weber <thakis@chromium.org>
Cr-Commit-Position: refs/heads/master@{#29525}
This commit is contained in:
Mirko Bonadei
2019-10-17 21:32:04 +02:00
committed by Commit Bot
parent e8b962bd3c
commit 86d053c2db
100 changed files with 756 additions and 654 deletions
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10
api/video_codecs/BUILD.gn
View File

@ -12,7 +12,7 @@ if (is_android) {
import("//build/config/android/rules.gni")
}
rtc_source_set("video_codecs_api") {
rtc_library("video_codecs_api") {
visibility = [ "*" ]
sources = [
"sdp_video_format.cc",
@ -66,7 +66,7 @@ rtc_source_set("bitstream_parser_api") {
]
}
rtc_static_library("builtin_video_decoder_factory") {
rtc_library("builtin_video_decoder_factory") {
visibility = [ "*" ]
allow_poison = [
"audio_codecs", # TODO(bugs.webrtc.org/8396): Remove.
@ -85,7 +85,7 @@ rtc_static_library("builtin_video_decoder_factory") {
]
}
rtc_static_library("builtin_video_encoder_factory") {
rtc_library("builtin_video_encoder_factory") {
visibility = [ "*" ]
allow_poison = [
"audio_codecs", # TODO(bugs.webrtc.org/8396): Remove.
@ -108,7 +108,7 @@ rtc_static_library("builtin_video_encoder_factory") {
]
}
rtc_static_library("vp8_temporal_layers_factory") {
rtc_library("vp8_temporal_layers_factory") {
visibility = [ "*" ]
allow_poison = [ "software_video_codecs" ]
sources = [
@ -125,7 +125,7 @@ rtc_static_library("vp8_temporal_layers_factory") {
]
}
rtc_static_library("rtc_software_fallback_wrappers") {
rtc_library("rtc_software_fallback_wrappers") {
visibility = [ "*" ]
sources = [

2
api/video_codecs/test/BUILD.gn
View File

@ -9,7 +9,7 @@
import("../../../webrtc.gni")
if (rtc_include_tests) {
rtc_source_set("video_codecs_api_unittests") {
rtc_library("video_codecs_api_unittests") {
testonly = true
sources = [
"builtin_video_encoder_factory_unittest.cc",