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# Copied from https://github.com/bazelbuild/bazel-central-registry/tree/main/modules/zlib/1.3.1.bcr.4/patches |
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# Adapted from https://github.com/protocolbuffers/protobuf/blob/master/third_party/zlib.BUILD |
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# Copyright 2008 Google Inc. All rights reserved. |
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# |
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# Redistribution and use in source and binary forms, with or without |
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# modification, are permitted provided that the following conditions are |
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# met: |
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# |
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# * Redistributions of source code must retain the above copyright |
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# notice, this list of conditions and the following disclaimer. |
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# * Redistributions in binary form must reproduce the above |
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# copyright notice, this list of conditions and the following disclaimer |
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# in the documentation and/or other materials provided with the |
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# distribution. |
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# * Neither the name of Google Inc. nor the names of its |
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# contributors may be used to endorse or promote products derived from |
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# this software without specific prior written permission. |
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# |
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
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# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
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# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
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# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
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# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
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# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
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# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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# |
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# Code generated by the Protocol Buffer compiler is owned by the owner |
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# of the input file used when generating it. This code is not |
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# standalone and requires a support library to be linked with it. This |
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# support library is itself covered by the above license. |
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load("@rules_cc//cc:defs.bzl", "cc_library") |
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load("@rules_license//rules:license.bzl", "license") |
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package( |
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default_applicable_licenses = [":license"], |
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) |
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license( |
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name = "license", |
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license_kinds = ["@rules_license//licenses/spdx:Zlib"], |
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license_text = "LICENSE", |
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) |
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exports_files([ |
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"LICENSE", |
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]) |
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_ZLIB_HEADERS = [ |
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"crc32.h", |
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"deflate.h", |
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"gzguts.h", |
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"inffast.h", |
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"inffixed.h", |
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"inflate.h", |
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"inftrees.h", |
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"trees.h", |
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"zconf.h", |
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"zlib.h", |
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"zutil.h", |
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] |
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_ZLIB_PREFIXED_HEADERS = ["zlib/include/" + hdr for hdr in _ZLIB_HEADERS] |
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# In order to limit the damage from the `includes` propagation |
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# via `:zlib`, copy the public headers to a subdirectory and |
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# expose those. |
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genrule( |
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name = "copy_public_headers", |
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srcs = _ZLIB_HEADERS, |
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outs = _ZLIB_PREFIXED_HEADERS, |
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cmd_bash = "cp $(SRCS) $(@D)/zlib/include/", |
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cmd_bat = " && ".join( |
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["@copy /Y \"$(location %s)\" \"$(@D)\\zlib\\include\\\" >NUL" % |
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s for s in _ZLIB_HEADERS], |
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), |
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) |
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config_setting( |
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name = "mingw_gcc_compiler", |
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flag_values = { |
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"@bazel_tools//tools/cpp:compiler": "mingw-gcc", |
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}, |
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visibility = [":__subpackages__"], |
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) |
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cc_library( |
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name = "z", |
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srcs = [ |
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"adler32.c", |
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"compress.c", |
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"crc32.c", |
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"deflate.c", |
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"gzclose.c", |
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"gzlib.c", |
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"gzread.c", |
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"gzwrite.c", |
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"infback.c", |
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"inffast.c", |
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"inflate.c", |
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"inftrees.c", |
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"trees.c", |
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"uncompr.c", |
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"zutil.c", |
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# Include the un-prefixed headers in srcs to work |
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# around the fact that zlib isn't consistent in its |
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# choice of <> or "" delimiter when including itself. |
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] + _ZLIB_HEADERS, |
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hdrs = _ZLIB_PREFIXED_HEADERS, |
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copts = select({ |
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":mingw_gcc_compiler": [ |
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"-fpermissive", |
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], |
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"@platforms//os:windows": [], |
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"//conditions:default": [ |
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"-Wno-deprecated-non-prototype", |
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"-Wno-unused-variable", |
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"-Wno-implicit-function-declaration", |
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], |
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}), |
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includes = ["zlib/include/"], |
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visibility = ["//visibility:public"], |
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) |
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alias( |
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name = "zlib", |
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actual = ":z", |
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visibility = ["//visibility:public"], |
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) |