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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
commit | 36d22d82aa202bb199967e9512281e9a53db42c9 (patch) | |
tree | 105e8c98ddea1c1e4784a60a5a6410fa416be2de /third_party/libwebrtc/build/nocompile.gni | |
parent | Initial commit. (diff) | |
download | firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.zip |
Adding upstream version 115.7.0esr.upstream/115.7.0esr
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'third_party/libwebrtc/build/nocompile.gni')
-rw-r--r-- | third_party/libwebrtc/build/nocompile.gni | 137 |
1 files changed, 137 insertions, 0 deletions
diff --git a/third_party/libwebrtc/build/nocompile.gni b/third_party/libwebrtc/build/nocompile.gni new file mode 100644 index 0000000000..5b4aeb8f4a --- /dev/null +++ b/third_party/libwebrtc/build/nocompile.gni @@ -0,0 +1,137 @@ +# Copyright (c) 2011 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. + +# This file is meant to be included into an target to create a unittest that +# invokes a set of no-compile tests. A no-compile test is a test that asserts +# a particular construct will not compile. +# +# Also see: +# http://dev.chromium.org/developers/testing/no-compile-tests +# +# To use this, create a gyp target with the following form: +# +# import("//build/nocompile.gni") +# nocompile_test("my_module_nc_unittests") { +# sources = [ +# 'nc_testset_1.nc', +# 'nc_testset_2.nc', +# ] +# +# # optional extra include dirs: +# include_dirs = [ ... ] +# } +# +# The .nc files are C++ files that contain code we wish to assert will not +# compile. Each individual test case in the file should be put in its own +# #ifdef section. The expected output should be appended with a C++-style +# comment that has a python list of regular expressions. This will likely +# be greater than 80-characters. Giving a solid expected output test is +# important so that random compile failures do not cause the test to pass. +# +# Example .nc file: +# +# #if defined(TEST_NEEDS_SEMICOLON) // [r"expected ',' or ';' at end of input"] +# +# int a = 1 +# +# #elif defined(TEST_NEEDS_CAST) // [r"invalid conversion from 'void*' to 'char*'"] +# +# void* a = NULL; +# char* b = a; +# +# #endif +# +# If we needed disable TEST_NEEDS_SEMICOLON, then change the define to: +# +# DISABLE_TEST_NEEDS_SEMICOLON +# TEST_NEEDS_CAST +# +# The lines above are parsed by a regexp so avoid getting creative with the +# formatting or ifdef logic; it will likely just not work. +# +# Implementation notes: +# The .nc files are actually processed by a python script which executes the +# compiler and generates a .cc file that is empty on success, or will have a +# series of #error lines on failure, and a set of trivially passing gunit +# TEST() functions on success. This allows us to fail at the compile step when +# something goes wrong, and know during the unittest run that the test was at +# least processed when things go right. + +import("//build/config/clang/clang.gni") +import("//build/config/python.gni") +import("//build/toolchain/toolchain.gni") +import("//testing/test.gni") + +declare_args() { + # TODO(crbug.com/105388): make sure no-compile test is not flaky. + enable_nocompile_tests = (is_linux || is_chromeos || is_apple) && is_clang && + host_cpu == target_cpu +} + +if (enable_nocompile_tests) { + import("//build/config/c++/c++.gni") + import("//build/config/sysroot.gni") + template("nocompile_test") { + nocompile_target = target_name + "_run_nocompile" + + action_foreach(nocompile_target) { + testonly = true + script = "//tools/nocompile_driver.py" + sources = invoker.sources + deps = invoker.deps + if (defined(invoker.public_deps)) { + public_deps = invoker.public_deps + } + + result_path = "$target_gen_dir/{{source_name_part}}_nc.cc" + depfile = "${result_path}.d" + outputs = [ result_path ] + args = [ + rebase_path("$clang_base_path/bin/clang++", root_build_dir), + "4", # number of compilers to invoke in parallel. + "{{source}}", + rebase_path(result_path, root_build_dir), + "--", + "-nostdinc++", + "-isystem" + rebase_path("$libcxx_prefix/include", root_build_dir), + "-isystem" + rebase_path("$libcxxabi_prefix/include", root_build_dir), + "-std=c++14", + "-Wall", + "-Werror", + "-Wfatal-errors", + "-Wthread-safety", + "-I" + rebase_path("//", root_build_dir), + "-I" + rebase_path("//third_party/abseil-cpp/", root_build_dir), + "-I" + rebase_path("//buildtools/third_party/libc++/", root_build_dir), + "-I" + rebase_path(root_gen_dir, root_build_dir), + + # TODO(https://crbug.com/989932): Track build/config/compiler/BUILD.gn + "-Wno-implicit-int-float-conversion", + ] + + if (is_apple && host_os != "mac") { + args += [ "--target=x86_64-apple-macos" ] + } + + # Iterate over any extra include dirs and append them to the command line. + if (defined(invoker.include_dirs)) { + foreach(include_dir, invoker.include_dirs) { + args += [ "-I" + rebase_path(include_dir, root_build_dir) ] + } + } + + if (sysroot != "") { + args += [ + "--sysroot", + rebase_path(sysroot, root_build_dir), + ] + } + } + + test(target_name) { + deps = invoker.deps + [ ":$nocompile_target" ] + sources = get_target_outputs(":$nocompile_target") + } + } +} |