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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
rtc_base/synchronization/BUILD.gn
View File

@ -12,7 +12,7 @@ if (is_android) {
import("//build/config/android/rules.gni")
}
rtc_source_set("rw_lock_wrapper") {
rtc_library("rw_lock_wrapper") {
public = [
"rw_lock_wrapper.h",
]
@ -36,7 +36,7 @@ rtc_source_set("rw_lock_wrapper") {
}
}
rtc_source_set("sequence_checker") {
rtc_library("sequence_checker") {
sources = [
"sequence_checker.cc",
"sequence_checker.h",
@ -51,7 +51,7 @@ rtc_source_set("sequence_checker") {
]
}
rtc_source_set("yield_policy") {
rtc_library("yield_policy") {
sources = [
"yield_policy.cc",
"yield_policy.h",
@ -64,7 +64,7 @@ rtc_source_set("yield_policy") {
}
if (rtc_include_tests) {
rtc_source_set("synchronization_unittests") {
rtc_library("synchronization_unittests") {
testonly = true
sources = [
"yield_policy_unittest.cc",
@ -76,7 +76,7 @@ if (rtc_include_tests) {
]
}
rtc_source_set("sequence_checker_unittests") {
rtc_library("sequence_checker_unittests") {
testonly = true
sources = [