llvm-for-llvmta/utils/gn/build/toolchain/compiler.gni

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declare_args() {
# Whether to use goma (https://chromium.googlesource.com/infra/goma/client/)
use_goma = false
# Set this to a clang build directory. If set, that clang is used as compiler.
# goma only works with compiler binaries it knows about, so useful both for
# using a goma-approved compiler and for compiling clang with a locally-built
# clang in a different build directory.
# On Windows, setting this also causes lld-link to be used as linker.
# Example value: getenv("HOME") + "/src/llvm-build/Release+Asserts"
clang_base_path = ""
# Set this to the path to Android NDK r21. If set, cross compilation targeting
# Android will be enabled.
android_ndk_path = ""
}
declare_args() {
# Set if the host compiler is clang. On by default on Mac or if
# clang_base_path is set.
is_clang = host_os == "mac" || clang_base_path != ""
# Set this to true to link with LLD instead of the default linker.
use_lld = clang_base_path != "" && host_os != "mac"
}