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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
15licenses(["notice"])
16
17exports_files(["LICENSE"])
18
19load(
20    ":BUILD.generated.bzl",
21    "crypto_headers",
22    "crypto_internal_headers",
23    "crypto_sources",
24    "crypto_sources_linux_x86_64",
25    "crypto_sources_mac_x86_64",
26    "fips_fragments",
27    "ssl_headers",
28    "ssl_internal_headers",
29    "ssl_c_sources",
30    "ssl_cc_sources",
31    "tool_sources",
32    "tool_headers",
33)
34
35config_setting(
36    name = "linux_x86_64",
37    values = {"cpu": "k8"},
38)
39
40config_setting(
41    name = "mac_x86_64",
42    values = {"cpu": "darwin"},
43)
44
45boringssl_copts = [
46    # Assembler option --noexecstack adds .note.GNU-stack to each object to
47    # ensure that binaries can be built with non-executable stack.
48    "-Wa,--noexecstack",
49
50    # This is needed on Linux systems (at least) to get rwlock in pthread.
51    "-D_XOPEN_SOURCE=700",
52
53    # This list of warnings should match those in the top-level CMakeLists.txt.
54    "-Wall",
55    "-Werror",
56    "-Wformat=2",
57    "-Wsign-compare",
58    "-Wmissing-field-initializers",
59    "-Wwrite-strings",
60    "-Wshadow",
61    "-fno-common",
62
63    # Modern build environments should be able to set this to use atomic
64    # operations for reference counting rather than locks. However, it's
65    # known not to work on some Android builds.
66    # "-DOPENSSL_C11_ATOMIC",
67] + select({
68    ":linux_x86_64": [],
69    ":mac_x86_64": [],
70    "//conditions:default": ["-DOPENSSL_NO_ASM"],
71})
72
73crypto_sources_asm = select({
74    ":linux_x86_64": crypto_sources_linux_x86_64,
75    ":mac_x86_64": crypto_sources_mac_x86_64,
76    "//conditions:default": [],
77})
78
79# For C targets only (not C++), compile with C11 support.
80boringssl_copts_c11 = boringssl_copts + [
81    "-std=c11",
82    "-Wmissing-prototypes",
83    "-Wold-style-definition",
84    "-Wstrict-prototypes",
85]
86
87# For C targets only (not C++), compile with C11 support.
88boringssl_copts_cxx = boringssl_copts + [
89    "-std=c++11",
90    "-Wmissing-declarations",
91]
92
93cc_library(
94    name = "crypto",
95    srcs = crypto_sources + crypto_internal_headers + crypto_sources_asm,
96    hdrs = crypto_headers + fips_fragments,
97    copts = boringssl_copts_c11,
98    includes = ["src/include"],
99    linkopts = select({
100        ":mac_x86_64": [],
101        "//conditions:default": ["-lpthread"],
102    }),
103    visibility = ["//visibility:public"],
104)
105
106cc_library(
107    name = "ssl",
108    srcs = ssl_c_sources + ssl_internal_headers,
109    hdrs = ssl_headers,
110    copts = boringssl_copts_c11,
111    includes = ["src/include"],
112    visibility = ["//visibility:public"],
113    deps = [":crypto", ":ssl_cc"],
114)
115
116cc_library(
117    name = "ssl_cc",
118    srcs = ssl_cc_sources + ssl_internal_headers,
119    hdrs = ssl_headers,
120    copts = boringssl_copts,
121    includes = ["src/include"],
122    deps = [":crypto"],
123)
124
125cc_binary(
126    name = "bssl",
127    srcs = tool_sources + tool_headers,
128    copts = boringssl_copts_cxx,
129    visibility = ["//visibility:public"],
130    deps = [":ssl"],
131)
132