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1b622944c4
556775408797d8e27154c3edaf139820b0979cce depends: build libevent with -D_GNU_SOURCE (fanquake)
Pull request description:
Currently, builds of libevent in depends, using CMake, fail on some systems, like Alpine, with the following:
```bash
/bitcoin/depends/work/build/aarch64-unknown-linux-musl/libevent/2.1.12-stable-1516ed47ea8/evmap.c: In function 'evmap_signal_add_':
/bitcoin/depends/work/build/aarch64-unknown-linux-musl/libevent/2.1.12-stable-1516ed47ea8/evmap.c:456:31: error: 'NSIG' undeclared (first use in this function)
456 | if (sig < 0 || sig >= NSIG)
```
From what I can tell the `GNU_SOURCE` "detection" in libevents CMake build system, never? really worked, primarily relies on looking for a deprecated define, and it's not clear what a nice fix is. For now, always build with `_GNU_SOURCE`, to match the autotools behaviour.
ACKs for top commit:
TheCharlatan:
ACK 556775408797d8e27154c3edaf139820b0979cce
Tree-SHA512: 4552b4a92867e8fa2af0ffa39b2be6c994bf739de7ce6a7c581590be486da81f7d93fca816854548c1e912347d33a35218c441b5058c3cbd3e82c74a9b7c78d9
43 lines
1.5 KiB
Makefile
43 lines
1.5 KiB
Makefile
package=libevent
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$(package)_version=2.1.12-stable
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$(package)_download_path=https://github.com/libevent/libevent/releases/download/release-$($(package)_version)/
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$(package)_file_name=$(package)-$($(package)_version).tar.gz
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$(package)_sha256_hash=92e6de1be9ec176428fd2367677e61ceffc2ee1cb119035037a27d346b0403bb
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$(package)_patches=cmake_fixups.patch
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$(package)_patches+=fix_mingw_link.patch
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$(package)_build_subdir=build
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# When building for Windows, we set _WIN32_WINNT to target the same Windows
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# version as we do in configure. Due to quirks in libevents build system, this
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# is also required to enable support for ipv6. See #19375.
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define $(package)_set_vars
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$(package)_config_opts=-DEVENT__DISABLE_BENCHMARK=ON -DEVENT__DISABLE_OPENSSL=ON
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$(package)_config_opts+=-DEVENT__DISABLE_SAMPLES=ON -DEVENT__DISABLE_REGRESS=ON
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$(package)_config_opts+=-DEVENT__DISABLE_TESTS=ON -DEVENT__LIBRARY_TYPE=STATIC
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$(package)_cppflags += -D_GNU_SOURCE
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$(package)_cppflags_mingw32=-D_WIN32_WINNT=0x0601
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endef
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define $(package)_preprocess_cmds
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patch -p1 < $($(package)_patch_dir)/cmake_fixups.patch && \
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patch -p1 < $($(package)_patch_dir)/fix_mingw_link.patch
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endef
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define $(package)_config_cmds
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$($(package)_cmake) -S .. -B .
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endef
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define $(package)_build_cmds
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$(MAKE)
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endef
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define $(package)_stage_cmds
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$(MAKE) DESTDIR=$($(package)_staging_dir) install
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endef
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define $(package)_postprocess_cmds
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rm bin/event_rpcgen.py && \
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rm include/ev*.h && \
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rm include/event2/*_compat.h
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endef
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