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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 17:32:43 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 17:32:43 +0000 |
commit | 6bf0a5cb5034a7e684dcc3500e841785237ce2dd (patch) | |
tree | a68f146d7fa01f0134297619fbe7e33db084e0aa /third_party/libwebrtc/build/config/chromecast/BUILD.gn | |
parent | Initial commit. (diff) | |
download | thunderbird-6bf0a5cb5034a7e684dcc3500e841785237ce2dd.tar.xz thunderbird-6bf0a5cb5034a7e684dcc3500e841785237ce2dd.zip |
Adding upstream version 1:115.7.0.upstream/1%115.7.0upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'third_party/libwebrtc/build/config/chromecast/BUILD.gn')
-rw-r--r-- | third_party/libwebrtc/build/config/chromecast/BUILD.gn | 95 |
1 files changed, 95 insertions, 0 deletions
diff --git a/third_party/libwebrtc/build/config/chromecast/BUILD.gn b/third_party/libwebrtc/build/config/chromecast/BUILD.gn new file mode 100644 index 0000000000..d52d19cad8 --- /dev/null +++ b/third_party/libwebrtc/build/config/chromecast/BUILD.gn @@ -0,0 +1,95 @@ +# Copyright 2015 The Chromium Authors. All rights reserved. +# Use of this source code is governed by a BSD-style license that can be +# found in the LICENSE file. + +import("//build/config/chromecast_build.gni") + +assert(is_chromecast) + +config("static_config") { + if (!is_clang) { + ldflags = [ + # Don't allow visible symbols from libraries that contain + # assembly code with symbols that aren't hidden properly. + # http://b/26390825 + "-Wl,--exclude-libs=libffmpeg.a", + ] + + if (!is_android) { + ldflags += [ + # We want to statically link libstdc++/libgcc on Linux. + # (On Android, libstdc++ and libgcc aren't used.) + "-static-libstdc++", + "-static-libgcc", + ] + } + } +} + +config("ldconfig") { + visibility = [ ":*" ] + configs = [] + + # Chromecast executables depend on several shared libraries in + # /oem_cast_shlib, $ORIGIN, and $ORIGIN/lib. Add these rpaths to each binary. + # This is explicitly disabled in Chrome for security reasons (see comments in + # //build/config/gcc/BUILD.gn), but necessary on Chromecast so that OEM's may + # override the default libraries shipped in the Cast receiver package. + if (target_rpath == "") { + ldflags = [ + "-Wl,-rpath=/oem_cast_shlib", + "-Wl,-rpath=\$ORIGIN/lib", + "-Wl,-rpath=\$ORIGIN", + ] + } else { + ldflags = [ "-Wl,-rpath=${target_rpath}" ] + } + + if (chromecast_branding != "public") { + # Some internal x64 builds need additional rpath and dynamic-linker config. + configs += [ "//chromecast/internal/build/config/ldconfig" ] + } + + # Binaries which don't live in the same directory as Chrome component + # libraries may still depend on them. Explicitly add the component library + # directory to the rpath for the component build. + if (is_component_build) { + ldflags += [ "-Wl,-rpath=/system/chrome" ] + } +} + +config("executable_config") { + configs = [ ":ldconfig" ] + + if (!is_clang && target_cpu == "arm") { + ldflags = [ + # Export stdlibc++ and libgcc symbols to force shlibs to refer to these + # symbols from the executable. + "-Wl,--export-dynamic", + + "-lm", # stdlibc++ requires math.h + + # In case we redefined stdlibc++ symbols (e.g. tc_malloc) + "-Wl,--allow-multiple-definition", + + "-Wl,--whole-archive", + "-l:libstdc++.a", + "-l:libgcc.a", + "-Wl,--no-whole-archive", + ] + + # Despite including libstdc++/libgcc archives, we still need to specify + # static linking for them in order to prevent the executable from having a + # dynamic dependency on them. + configs += [ ":static_config" ] + } +} + +# Shared libaries should not have RPATH or RUNPATH set. This allows the +# shared libs to inherit RPATH from the parent executable that is loading +# the shared library. (See internal b/37514052 for more details.) +config("shared_library_config") { + if (target_cpu == "arm") { + configs = [ ":static_config" ] + } +} |