config/linux/BUILD.gn

# Copyright 2017 The Fuchsia 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/config/clang/clang.gni")
import("//build/config/sysroot.gni")

config("compiler") {
  cflags = []
  cflags_c = []
  cflags_cc = []
  ldflags = [
    "-static-libstdc++",

    # Generate build-id for all binaries so we can use the build-id directory
    # scheme when using strip the same way we do for Fuchsia.
    "-Wl,--build-id",

    # Use GNU style for linker's hash tables which is more efficient.
    "-Wl,--hash-style=gnu",

    # Set rpath to find dynamically linked libraries placed next to executables
    # in the host build directory.
    "-Wl,-rpath=\$ORIGIN/",
  ]
  configs = [
    ":sysroot",
    ":target",
  ]

  # TODO(TC-74) The implicitly linked static libc++.a depends on these.
  libs = [
    "dl",
    "pthread",
  ]
  lib_dirs = [ rebase_path("//buildtools/${host_platform}/clang/lib") ]
  asmflags = cflags + cflags_c
}

config("sysroot") {
  cflags = [ "--sysroot=$sysroot" ]
  ldflags = cflags
  asmflags = cflags
}

config("target") {
  cflags = [ "--target=$clang_target" ]
  asmflags = cflags
  ldflags = cflags
}