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1import("//llvm/lib/Target/targets.gni")2import("//llvm/utils/gn/build/mac_sdk.gni")3import("//llvm/utils/gn/build/toolchain/compiler.gni")4 5# In the GN build, compiler-rt is always built by just-built clang and lld.6# FIXME: For macOS and iOS builds, depend on lib in all needed target arch7# toolchains and then lipo them together for the final output.8supported_toolchains = []9if (current_os == "win" || win_sysroot != "") {10 supported_toolchains += [ "//llvm/utils/gn/build/toolchain:stage2_win_x64" ]11 supported_toolchains += [ "//llvm/utils/gn/build/toolchain:stage2_win_x86" ]12}13if (current_os != "win") {14 supported_toolchains += [ "//llvm/utils/gn/build/toolchain:stage2_unix" ]15}16supported_toolchains += supported_android_toolchains17if (llvm_build_AArch64) {18 supported_toolchains +=19 [ "//llvm/utils/gn/build/toolchain:stage2_baremetal_aarch64" ]20}21group("compiler-rt") {22 deps = [ "//compiler-rt/include($host_toolchain)" ]23 foreach(toolchain, supported_toolchains) {24 deps += [ "//compiler-rt/lib($toolchain)" ]25 }26 27 # FIXME: Do this only if a gn arg compiler_rt_enable_ios is set?28 # That would match the cmake build.29 if (host_os == "mac" && have_ios_sdks) {30 if (llvm_build_AArch64) {31 deps += [ "//compiler-rt/lib/builtins(//llvm/utils/gn/build/toolchain:stage2_ios_aarch64)" ]32 }33 if (llvm_build_X86) {34 deps += [ "//compiler-rt/lib/builtins(//llvm/utils/gn/build/toolchain:stage2_iossim_x64)" ]35 }36 }37}38