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# 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/toolchain/toolchain.gni")
# Bring all the windows toolchain definitions in.
# Officially msc_ver etc. live here, but they're actually defined
# in win/settings.gni.
if (is_win) {
import("//build/toolchain/win/settings.gni")
}
# Defines compiler versions for compilers used by multiple toolchains.
# TODO(tim): Disable gcc_version on Windows?
declare_args() {
# Version of the GCC compiler.
# Auto-detection is toolchain-specific and happens only if GCC is the active
# compiler.
# Format: MAJOR * 10000 + MINOR * 100 + PATCHLEVEL
gcc_version = 0
# Version of the Clang compiler.
# Auto-detection is toolchain-specific and happens only if Clang is the
# active compiler.
# Format: MAJOR * 10000 + MINOR * 100 + PATCHLEVEL
clang_version = 0
}
# If the user didn't specify the compiler version, attempt to autodetect it.
if (gcc_version == 0 && !is_clang && !is_win) {
if (is_android) {
# sync with //build/toolchain/android/BUILD.gn
import("//build/toolchain/android/settings.gni")
_exe = "${android_tool_prefix}gcc"
} else if (is_posix) {
import("//build/toolchain/posix/settings.gni")
_exe = gcc_cc
} else {
assert(false, "GCC isn't supported on this platform")
}
gcc_version = exec_script("posix/toolchain.py",
[
"get_gcc_version",
_exe,
],
"trim value")
}
if (clang_version == 0 && is_clang && !is_win) {
if (is_android) {
# sync with //build/toolchain/android/BUILD.gn
import("//build/toolchain/clang.gni")
_exe = "$clang_base_path/bin/clang"
} else if (is_posix) {
import("//build/toolchain/posix/settings.gni")
_exe = clang_cc
} else {
assert(false, "GCC isn't supported on this platform")
}
clang_version = exec_script("posix/toolchain.py",
[
"get_clang_version",
_exe,
],
"trim value")
} else if (clang_version == 0 && is_clang) {
clang_version = win_clang_version
}
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