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declare_args() {
# If set, this is prepended to compile action command lines (e.g. `"ccache"`).
compiler_wrapper = ""
# Set this to a clang build directory. If set, that clang is used as compiler.
# 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 = ""
# Set this to the path of the Win SDK. Only used for cross compilation. If set, cross compilation targeting Windows will be enabled.
win_sysroot = ""
}
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 != ""
}
assert(
!(host_os == "win" && win_sysroot != ""),
"win_sysroot should only be used for cross compilation, use sysroot on Windows")
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