# Copyright 2021 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/cpp/library_headers.gni")

shared_library("libpcap") {
  output_name = "pcap"

  sources = [
    "src/bpf_dump.c",
    "src/bpf_filter.c",
    "src/bpf_image.c",
    "src/etherent.c",
    "src/fad-getad.c",
    "src/fmtutils.c",
    "src/gencode.c",
    "src/grammar.c",
    "src/nametoaddr.c",
    "src/optimize.c",
    "src/pcap-common.c",
    "src/pcap-usb-linux-common.c",
    "src/pcap-util.c",
    "src/pcap.c",
    "src/savefile.c",
    "src/scanner.c",
    "src/sf-pcap.c",
    "src/sf-pcapng.c",

    # To build for the null-platform, use `src/pcap-null.c` instead of
    # `pcap-fuchsia.{c,cc}`.
    "pcap-fuchsia.c",
    "pcap-fuchsia.cc",
  ]

  defines = [
    "HAVE_CONFIG_H",
    "BUILDING_PCAP",
    "pcap_EXPORTS",
  ]

  # For config.h.
  include_dirs = [ "." ]

  configs += [ ":suppress_warnings" ]

  public_deps = [ ":headers" ]

  deps = [ "//sdk/lib/fit" ]
}

library_headers("headers") {
  headers = [
    "pcap/bpf.h",
    "pcap/can_socketcan.h",
    "pcap/compiler-tests.h",
    "pcap/dlt.h",
    "pcap/funcattrs.h",
    "pcap/ipnet.h",
    "pcap/namedb.h",
    "pcap/nflog.h",
    "pcap/pcap.h",
    "pcap/pcap-inttypes.h",
    "pcap/sll.h",
    "pcap/socket.h",
    "pcap/usb.h",
  ]

  include_dir = "./src"
}

config("suppress_warnings") {
  visibility = [ ":*" ]
  cflags = [
    "-Wno-implicit-fallthrough",
    "-Wno-int-conversion",
    "-Wno-unused-but-set-variable",
  ]
}