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Merge bitcoin/bitcoin#32760: depends: capnp 1.2.0
c7eaac326adepends: capnp 1.2.0 (fanquake) Pull request description: See https://github.com/capnproto/capnproto/compare/release-1.1.0...release-1.2.0. We can drop all the patches we are currently applying. ACKs for top commit: Sjors: ACKc7eaac326atheStack: ACKc7eaac326aryanofsky: Code review ACKc7eaac326a. Just checked hashes, compared tarball to git and diffed 1.1.0 and 1.2.0 tarballs which showed only minor and expected changes. Tree-SHA512: 75085ec96952e9693c67531c3d04cd0d7df580dd1df35ce50dff618b29f651674c17a84e9089c6b7ed230e2b4fd0a7f24e2220e983ec00235db9a9d1ee2d7116
This commit is contained in:
Ryan Ofsky
@@ -4,8 +4,6 @@ $(package)_download_path=$(native_$(package)_download_path)
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$(package)_download_file=$(native_$(package)_download_file)
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$(package)_file_name=$(native_$(package)_file_name)
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$(package)_sha256_hash=$(native_$(package)_sha256_hash)
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$(package)_patches=abi_placement_new.patch
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$(package)_patches += fix_openbsd_build.patch
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define $(package)_set_vars
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$(package)_config_opts := -DBUILD_TESTING=OFF
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@@ -14,11 +12,6 @@ define $(package)_set_vars
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$(package)_cxxflags += -fdebug-prefix-map=$($(package)_extract_dir)=/usr -fmacro-prefix-map=$($(package)_extract_dir)=/usr
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endef
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define $(package)_preprocess_cmds
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patch -p2 < $($(package)_patch_dir)/abi_placement_new.patch && \
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patch -p2 < $($(package)_patch_dir)/fix_openbsd_build.patch
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endef
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define $(package)_config_cmds
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$($(package)_cmake) .
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endef
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@@ -1,10 +1,9 @@
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package=native_capnp
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$(package)_version=1.1.0
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$(package)_version=1.2.0
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$(package)_download_path=https://capnproto.org/
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$(package)_download_file=capnproto-c++-$($(package)_version).tar.gz
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$(package)_file_name=capnproto-cxx-$($(package)_version).tar.gz
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$(package)_sha256_hash=07167580e563f5e821e3b2af1c238c16ec7181612650c5901330fa9a0da50939
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$(package)_patches=fix_openbsd_build.patch
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$(package)_sha256_hash=ed00e44ecbbda5186bc78a41ba64a8dc4a861b5f8d4e822959b0144ae6fd42ef
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define $(package)_set_vars
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$(package)_config_opts := -DBUILD_TESTING=OFF
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@@ -12,10 +11,6 @@ define $(package)_set_vars
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$(package)_config_opts += -DWITH_ZLIB=OFF
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endef
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define $(package)_preprocess_cmds
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patch -p2 < $($(package)_patch_dir)/fix_openbsd_build.patch
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endef
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define $(package)_config_cmds
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$($(package)_cmake) .
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endef
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@@ -1,71 +0,0 @@
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From 74560f26f75dda4257dce541ca362a1e763b2971 Mon Sep 17 00:00:00 2001
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From: Ryan Ofsky <ryan@ofsky.org>
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Date: Thu, 6 Feb 2025 08:39:05 -0500
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Subject: [PATCH 1/1] Avoid gcc/clang ABI incompatibility caused by
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PlacementNew
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GCC and clang do not use same calling convention for passing empty struct
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parameters. There is more information about this in
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https://itanium-cxx-abi.github.io/cxx-abi/cxx-abi-dev/archives/2015-December/002869.html
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Unfortunately this can create an issue in capnproto if it is built without
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optimizations in GCC, and the resulting static libraries are used in a clang
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program, or vice versa.
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Depending on what order libraries are specified on the linker command line, and
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whether code compiled with the other compiler is calling any header functions
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that cause weak a `operator new(unsigned int, kj::_::PlacementNew, void*)`
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symbol to be defined in its own objects, this can cause the linker to link a
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GCC-generated `kj::ctor` with a clang-generated `operator new`, and the
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resulting program to crash due to the compilers using different calling
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conventions for `operator new`.
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This problem is difficult to avoid in general, but pretty easy to avoid here by
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changing `operator new` parameter order so the empty struct parameter is last.
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This change should be beneficial for capnproto users that may be compiling it
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without optimizations, and not necessarily using a single compiler to build all
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their dependencies.
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The problem does not occur if any optimizations are enabled because `operator
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new` calls are inlined in that case.
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---
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c++/src/kj/common.h | 11 +++++++----
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1 file changed, 7 insertions(+), 4 deletions(-)
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diff --git a/c++/src/kj/common.h b/c++/src/kj/common.h
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index b8edde3c..28ab11d6 100644
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--- a/c++/src/kj/common.h
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+++ b/c++/src/kj/common.h
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@@ -1034,24 +1034,27 @@ private:
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// We want placement new, but we don't want to #include <new>. operator new cannot be defined in
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// a namespace, and defining it globally conflicts with the definition in <new>. So we have to
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-// define a dummy type and an operator new that uses it.
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+// define a dummy type and an operator new that uses it. The dummy type is intentionally passed
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+// as the last parameter so clang and GCC ABI calling conventions for empty struct struct parameters
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+// are compatible, and there are not segfaults trying to call clang operator new/delete from GCC or
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+// vice versa.
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namespace _ { // private
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struct PlacementNew {};
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} // namespace _ (private)
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} // namespace kj
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-inline void* operator new(size_t, kj::_::PlacementNew, void* __p) noexcept {
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+inline void* operator new(size_t, void* __p, kj::_::PlacementNew) noexcept {
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return __p;
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}
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-inline void operator delete(void*, kj::_::PlacementNew, void* __p) noexcept {}
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+inline void operator delete(void*, void* __p, kj::_::PlacementNew) noexcept {}
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namespace kj {
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template <typename T, typename... Params>
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inline void ctor(T& location, Params&&... params) {
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- new (_::PlacementNew(), &location) T(kj::fwd<Params>(params)...);
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+ new (&location, _::PlacementNew()) T(kj::fwd<Params>(params)...);
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}
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template <typename T>
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@@ -1,71 +0,0 @@
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From 0cd1792332dce6a3afae6e2bc2939da69fea65fa Mon Sep 17 00:00:00 2001
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From: Sebastian Falbesoner <sebastian.falbesoner@gmail.com>
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Date: Sat, 31 May 2025 00:49:44 +0200
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Subject: [PATCH 1/2] In cidr.c++, include <netinet/in.h> on all non-Windows
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systems
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The motivation for this commit is to fix the build for OpenBSD,
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but it may also solves the same potential problem for other systems
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without causing any harm.
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Suggested already twice, see
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https://github.com/capnproto/capnproto/pull/1846#discussion_r1399499535
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https://github.com/capnproto/capnproto/pull/1907#discussion_r1452602424
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---
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c++/src/kj/cidr.c++ | 3 ---
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1 file changed, 3 deletions(-)
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diff --git a/c++/src/kj/cidr.c++ b/c++/src/kj/cidr.c++
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index 6a1fa32e..9432b8f4 100644
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--- a/c++/src/kj/cidr.c++
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+++ b/c++/src/kj/cidr.c++
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@@ -39,9 +39,6 @@
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#else
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#include <sys/socket.h>
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#include <arpa/inet.h>
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-#endif
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-
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-#if __FreeBSD__
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#include <netinet/in.h>
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#endif
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--
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2.49.0
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From 2e76d17db3fc484061487c0779b16495939d30c3 Mon Sep 17 00:00:00 2001
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From: Sebastian Falbesoner <sebastian.falbesoner@gmail.com>
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Date: Sat, 31 May 2025 01:06:42 +0200
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Subject: [PATCH 2/2] Don't set KJ_USE_KQUEUE on OpenBSD
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OpenBSD doesn't support user event filters yet, hence
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the build fails as it misses the symbol EVFILT_USER in
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the kqueue implementation in async-unix.c++. Fix that
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by not setting KJ_USE_KQUEUE on OpenBSD, so the poll()-
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based implementation is used instead.
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Suggested in
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https://github.com/capnproto/capnproto/pull/1907/commits/829d3f03735f8f6762a50fc346db56bf02140f02#r1452600300
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---
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c++/src/kj/async-unix.h | 5 +++--
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1 file changed, 3 insertions(+), 2 deletions(-)
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diff --git a/c++/src/kj/async-unix.h b/c++/src/kj/async-unix.h
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index 665305ea..e66ad8e4 100644
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--- a/c++/src/kj/async-unix.h
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+++ b/c++/src/kj/async-unix.h
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@@ -37,8 +37,9 @@ KJ_BEGIN_HEADER
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#if __linux__
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// Default to epoll on Linux.
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#define KJ_USE_EPOLL 1
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-#elif __APPLE__ || __FreeBSD__ || __OpenBSD__ || __NetBSD__ || __DragonFly__
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-// MacOS and BSDs prefer kqueue() for event notification.
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+#elif __APPLE__ || __FreeBSD__ || __NetBSD__ || __DragonFly__
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+// MacOS and most BSDs prefer kqueue() for event notification.
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+// (Note that OpenBSD's kqueue(2) doesn't support user event filters yet)
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#define KJ_USE_KQUEUE 1
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#endif
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#endif
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--
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2.49.0
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@@ -1,71 +0,0 @@
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From 0cd1792332dce6a3afae6e2bc2939da69fea65fa Mon Sep 17 00:00:00 2001
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From: Sebastian Falbesoner <sebastian.falbesoner@gmail.com>
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Date: Sat, 31 May 2025 00:49:44 +0200
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Subject: [PATCH 1/2] In cidr.c++, include <netinet/in.h> on all non-Windows
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systems
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The motivation for this commit is to fix the build for OpenBSD,
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but it may also solves the same potential problem for other systems
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without causing any harm.
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Suggested already twice, see
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https://github.com/capnproto/capnproto/pull/1846#discussion_r1399499535
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https://github.com/capnproto/capnproto/pull/1907#discussion_r1452602424
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---
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c++/src/kj/cidr.c++ | 3 ---
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1 file changed, 3 deletions(-)
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diff --git a/c++/src/kj/cidr.c++ b/c++/src/kj/cidr.c++
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index 6a1fa32e..9432b8f4 100644
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--- a/c++/src/kj/cidr.c++
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+++ b/c++/src/kj/cidr.c++
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@@ -39,9 +39,6 @@
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#else
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#include <sys/socket.h>
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#include <arpa/inet.h>
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-#endif
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-
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-#if __FreeBSD__
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#include <netinet/in.h>
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#endif
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--
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2.49.0
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From 2e76d17db3fc484061487c0779b16495939d30c3 Mon Sep 17 00:00:00 2001
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From: Sebastian Falbesoner <sebastian.falbesoner@gmail.com>
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Date: Sat, 31 May 2025 01:06:42 +0200
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Subject: [PATCH 2/2] Don't set KJ_USE_KQUEUE on OpenBSD
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OpenBSD doesn't support user event filters yet, hence
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the build fails as it misses the symbol EVFILT_USER in
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the kqueue implementation in async-unix.c++. Fix that
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by not setting KJ_USE_KQUEUE on OpenBSD, so the poll()-
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based implementation is used instead.
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Suggested in
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https://github.com/capnproto/capnproto/pull/1907/commits/829d3f03735f8f6762a50fc346db56bf02140f02#r1452600300
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---
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c++/src/kj/async-unix.h | 5 +++--
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1 file changed, 3 insertions(+), 2 deletions(-)
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diff --git a/c++/src/kj/async-unix.h b/c++/src/kj/async-unix.h
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index 665305ea..e66ad8e4 100644
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--- a/c++/src/kj/async-unix.h
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+++ b/c++/src/kj/async-unix.h
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@@ -37,8 +37,9 @@ KJ_BEGIN_HEADER
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#if __linux__
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// Default to epoll on Linux.
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#define KJ_USE_EPOLL 1
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-#elif __APPLE__ || __FreeBSD__ || __OpenBSD__ || __NetBSD__ || __DragonFly__
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-// MacOS and BSDs prefer kqueue() for event notification.
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+#elif __APPLE__ || __FreeBSD__ || __NetBSD__ || __DragonFly__
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+// MacOS and most BSDs prefer kqueue() for event notification.
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+// (Note that OpenBSD's kqueue(2) doesn't support user event filters yet)
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#define KJ_USE_KQUEUE 1
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#endif
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#endif
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--
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2.49.0
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