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