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      1 # Copyright (c) 2016, Google Inc.
      2 #
      3 # Permission to use, copy, modify, and/or distribute this software for any
      4 # purpose with or without fee is hereby granted, provided that the above
      5 # copyright notice and this permission notice appear in all copies.
      6 #
      7 # THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
      8 # WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
      9 # MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
     10 # SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
     11 # WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
     12 # OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
     13 # CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */
     14 
     15 licenses(["notice"])
     16 
     17 exports_files(["LICENSE"])
     18 
     19 load(
     20     ":BUILD.generated.bzl",
     21     "crypto_headers",
     22     "crypto_internal_headers",
     23     "crypto_sources",
     24     "crypto_sources_linux_x86_64",
     25     "crypto_sources_linux_ppc64le",
     26     "crypto_sources_mac_x86_64",
     27     "fips_fragments",
     28     "ssl_headers",
     29     "ssl_internal_headers",
     30     "ssl_sources",
     31     "tool_sources",
     32     "tool_headers",
     33 )
     34 
     35 config_setting(
     36     name = "linux_x86_64",
     37     values = {"cpu": "k8"},
     38 )
     39 
     40 config_setting(
     41     name = "linux_ppc64le",
     42     values = {"cpu": "ppc"},
     43 )
     44 
     45 config_setting(
     46     name = "mac_x86_64",
     47     values = {"cpu": "darwin"},
     48 )
     49 
     50 config_setting(
     51     name = "windows_x86_64",
     52     values = {"cpu": "x64_windows"},
     53 )
     54 
     55 config_setting(
     56     name = "android",
     57     values = {"crosstool_top": "//external:android/crosstool"}
     58 )
     59 
     60 posix_copts = [
     61     # Assembler option --noexecstack adds .note.GNU-stack to each object to
     62     # ensure that binaries can be built with non-executable stack.
     63     "-Wa,--noexecstack",
     64 
     65     # This is needed on Linux systems (at least) to get rwlock in pthread.
     66     "-D_XOPEN_SOURCE=700",
     67 
     68     # This list of warnings should match those in the top-level CMakeLists.txt.
     69     "-Wall",
     70     "-Werror",
     71     "-Wformat=2",
     72     "-Wsign-compare",
     73     "-Wmissing-field-initializers",
     74     "-Wwrite-strings",
     75     "-Wshadow",
     76     "-fno-common",
     77 
     78     # Modern build environments should be able to set this to use atomic
     79     # operations for reference counting rather than locks. However, it's
     80     # known not to work on some Android builds.
     81     # "-DOPENSSL_C11_ATOMIC",
     82 ]
     83 
     84 boringssl_copts = select({
     85     ":linux_x86_64": posix_copts,
     86     ":linux_ppc64le": posix_copts,
     87     ":mac_x86_64": posix_copts,
     88     ":windows_x86_64": [
     89         "-DWIN32_LEAN_AND_MEAN",
     90         "-DOPENSSL_NO_ASM",
     91     ],
     92     "//conditions:default": ["-DOPENSSL_NO_ASM"],
     93 })
     94 
     95 crypto_sources_asm = select({
     96     ":linux_x86_64": crypto_sources_linux_x86_64,
     97     ":linux_ppc64le": crypto_sources_linux_ppc64le,
     98     ":mac_x86_64": crypto_sources_mac_x86_64,
     99     "//conditions:default": [],
    100 })
    101 
    102 # For C targets only (not C++), compile with C11 support.
    103 posix_copts_c11 = [
    104     "-std=c11",
    105     "-Wmissing-prototypes",
    106     "-Wold-style-definition",
    107     "-Wstrict-prototypes",
    108 ]
    109 
    110 boringssl_copts_c11 = boringssl_copts + select({
    111     ":linux_x86_64": posix_copts_c11,
    112     ":linux_ppc64le": posix_copts_c11,
    113     ":mac_x86_64": posix_copts_c11,
    114     "//conditions:default": [],
    115 })
    116 
    117 # For C++ targets only (not C), compile with C++11 support.
    118 posix_copts_cxx = [
    119     "-std=c++11",
    120     "-Wmissing-declarations",
    121 ]
    122 
    123 boringssl_copts_cxx = boringssl_copts + select({
    124     ":linux_x86_64": posix_copts_cxx,
    125     ":linux_ppc64le": posix_copts_cxx,
    126     ":mac_x86_64": posix_copts_cxx,
    127     "//conditions:default": [],
    128 })
    129 
    130 cc_library(
    131     name = "crypto",
    132     srcs = crypto_sources + crypto_internal_headers + crypto_sources_asm,
    133     hdrs = crypto_headers + fips_fragments,
    134     copts = boringssl_copts_c11,
    135     includes = ["src/include"],
    136     linkopts = select({
    137         ":mac_x86_64": [],
    138         # Android supports pthreads, but does not provide a libpthread
    139         # to link against.
    140         ":android": [],
    141         ":windows_x86_64": ["-defaultlib:advapi32.lib"],
    142         "//conditions:default": ["-lpthread"],
    143     }),
    144     visibility = ["//visibility:public"],
    145 )
    146 
    147 cc_library(
    148     name = "ssl",
    149     srcs = ssl_sources + ssl_internal_headers,
    150     hdrs = ssl_headers,
    151     copts = boringssl_copts_cxx,
    152     includes = ["src/include"],
    153     visibility = ["//visibility:public"],
    154     deps = [
    155         ":crypto",
    156     ],
    157 )
    158 
    159 cc_binary(
    160     name = "bssl",
    161     srcs = tool_sources + tool_headers,
    162     copts = boringssl_copts_cxx,
    163     visibility = ["//visibility:public"],
    164     deps = [":ssl"],
    165 )
    166