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import("//llvm/triples.gni")
import("//llvm/utils/gn/build/mac_sdk.gni")
import("//llvm/utils/gn/build/toolchain/compiler.gni")
# Flags in this file are passed both to the compiler that's building
# compiler-rt at build time (via normal gn cflags/ldflags), as well as to the
# compiler building compiler-rt test programs at test time (via
# COMPILER_RT_TEST_COMPILER_CFLAGS).
target_flags = []
target_ldflags = []
if (current_os == "android") {
target_flags += [
"--target=$llvm_current_triple",
"--sysroot=$android_ndk_path/toolchains/llvm/prebuilt/linux-x86_64/sysroot",
"--gcc-toolchain=$android_ndk_path/toolchains/llvm/prebuilt/linux-x86_64",
"-fno-emulated-tls",
]
target_ldflags += [
"-static-libstdc++",
"--unwindlib=none",
]
if (current_cpu == "arm") {
target_flags += [ "-march=armv7-a" ]
}
} else if (current_os == "ios" || current_os == "mac") {
if (current_cpu == "arm64") {
target_flags += [
"-arch",
"arm64",
]
target_ldflags += [
"-arch",
"arm64",
]
} else if (current_cpu == "x64") {
target_flags += [
"-arch",
"x86_64",
]
target_ldflags += [
"-arch",
"x86_64",
]
}
if (current_os == "mac") {
target_flags += [
"-isysroot",
mac_sdk_path,
# TODO(lgrey): We should be getting this from `compiler_defaults`. Why
# aren't we?
"-mmacos-version-min=10.10",
]
}
} else if (current_os == "baremetal") {
target_flags += [ "--target=$llvm_current_triple" ]
}
if (current_cpu == "x86") {
target_flags += [ "-m32" ]
}
|
