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7508e9ec41
Fix root cause that caused missing symbols when linking brotli
statically with e.g. binutils `ld` (and any other "picky" linker,
or "traditional" linker as CMake now calls them).
Also drop existing workaround that added brotli libs twice to the lib
list.
```
x86_64-w64-mingw32-ld: .../curl/brotli/_bld/usr/lib/libbrotlidec.a(decode.c.obj):decode.c:(.text$ProcessCommands[ProcessCommands]+0xbb5): undefined reference to `BrotliTransformDictionaryWord'
x86_64-w64-mingw32-ld: .../curl/brotli/_bld/usr/lib/libbrotlidec.a(decode.c.obj):decode.c:(.text$SafeProcessCommands[SafeProcessCommands]+0xe8a): undefined reference to `BrotliTransformDictionaryWord'
x86_64-w64-mingw32-ld: .../curl/brotli/_bld/usr/lib/libbrotlidec.a(decode.c.obj):decode.c:(.rdata$.refptr._kBrotliContextLookupTable[.refptr._kBrotliContextLookupTable]+0x0): undefined reference to `_kBrotliContextLookupTable'
x86_64-w64-mingw32-ld: .../curl/brotli/_bld/usr/lib/libbrotlidec.a(decode.c.obj):decode.c:(.rdata$.refptr._kBrotliPrefixCodeRanges[.refptr._kBrotliPrefixCodeRanges]+0x0): undefined reference to `_kBrotliPrefixCodeRanges'
x86_64-w64-mingw32-ld: .../curl/brotli/_bld/usr/lib/libbrotlidec.a(state.c.obj):state.c:(.text$BrotliDecoderStateInit[BrotliDecoderStateInit]+0x21): undefined reference to `BrotliDefaultAllocFunc'
x86_64-w64-mingw32-ld: .../curl/brotli/_bld/usr/lib/libbrotlidec.a(state.c.obj):state.c:(.text$BrotliDecoderStateInit[BrotliDecoderStateInit]+0x2f): undefined reference to `BrotliDefaultFreeFunc'
x86_64-w64-mingw32-ld: .../curl/brotli/_bld/usr/lib/libbrotlidec.a(state.c.obj):state.c:(.text$BrotliDecoderStateInit[BrotliDecoderStateInit]+0x10e): undefined reference to `BrotliSharedDictionaryCreateInstance'
x86_64-w64-mingw32-ld: .../curl/brotli/_bld/usr/lib/libbrotlidec.a(state.c.obj):state.c:(.text$BrotliDecoderStateCleanup[BrotliDecoderStateCleanup]+0xf4): undefined reference to `BrotliSharedDictionaryDestroyInstance'
collect2: error: ld returned 1 exit status
```
Breakage reproducible with curl-for-win config "`win-gcc`" and deleting
the `LDFLAGS+=' -Wl,--start-group'` line from its `curl.sh` script.
(Above line still required for some non-brotli cases, e.g. libssh2 and
zlib.)
Assisted-by: Kai Pastor
Ref: https://github.com/curl/curl/pull/10857#discussion_r1611714989
Follow-up to 1e3319a167 #10857
Closes #13761
44 lines
1.5 KiB
CMake
44 lines
1.5 KiB
CMake
#***************************************************************************
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# _ _ ____ _
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# Project ___| | | | _ \| |
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# / __| | | | |_) | |
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# | (__| |_| | _ <| |___
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# \___|\___/|_| \_\_____|
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#
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# Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al.
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#
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# This software is licensed as described in the file COPYING, which
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# you should have received as part of this distribution. The terms
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# are also available at https://curl.se/docs/copyright.html.
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#
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# You may opt to use, copy, modify, merge, publish, distribute and/or sell
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# copies of the Software, and permit persons to whom the Software is
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# furnished to do so, under the terms of the COPYING file.
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#
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# This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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# KIND, either express or implied.
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#
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# SPDX-License-Identifier: curl
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#
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###########################################################################
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include(FindPackageHandleStandardArgs)
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find_path(BROTLI_INCLUDE_DIR "brotli/decode.h")
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find_library(BROTLICOMMON_LIBRARY NAMES brotlicommon)
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find_library(BROTLIDEC_LIBRARY NAMES brotlidec)
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find_package_handle_standard_args(Brotli
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FOUND_VAR
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BROTLI_FOUND
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REQUIRED_VARS
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BROTLIDEC_LIBRARY
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BROTLICOMMON_LIBRARY
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BROTLI_INCLUDE_DIR
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FAIL_MESSAGE
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"Could NOT find Brotli"
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)
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set(BROTLI_INCLUDE_DIRS ${BROTLI_INCLUDE_DIR})
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set(BROTLI_LIBRARIES ${BROTLIDEC_LIBRARY} ${BROTLICOMMON_LIBRARY})
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