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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
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| .. | ||
| backtrace.mk | ||
| bdb.mk | ||
| boost.mk | ||
| capnp.mk | ||
| expat.mk | ||
| fontconfig.mk | ||
| freetype.mk | ||
| gmp.mk | ||
| libevent.mk | ||
| libmultiprocess.mk | ||
| libnatpmp.mk | ||
| libXau.mk | ||
| libxcb_util_image.mk | ||
| libxcb_util_keysyms.mk | ||
| libxcb_util_render.mk | ||
| libxcb_util_wm.mk | ||
| libxcb_util.mk | ||
| libxcb.mk | ||
| libxkbcommon.mk | ||
| miniupnpc.mk | ||
| native_capnp.mk | ||
| native_cctools.mk | ||
| native_clang.mk | ||
| native_ds_store.mk | ||
| native_libdmg-hfsplus.mk | ||
| native_libmultiprocess.mk | ||
| native_libtapi.mk | ||
| native_mac_alias.mk | ||
| packages.mk | ||
| qrencode.mk | ||
| qt.mk | ||
| sqlite.mk | ||
| systemtap.mk | ||
| xcb_proto.mk | ||
| xproto.mk | ||
| zeromq.mk | ||