commit:     a47fe1a0456d92e34a2773b4f4393fa95254d860
Author:     Sam James <sam <AT> gentoo <DOT> org>
AuthorDate: Thu Feb  2 06:51:03 2023 +0000
Commit:     Sam James <sam <AT> gentoo <DOT> org>
CommitDate: Thu Feb  2 06:51:03 2023 +0000
URL:        https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=a47fe1a0

net-libs/zeromq: fix build w/ gcc 13

Signed-off-by: Sam James <sam <AT> gentoo.org>

 net-libs/zeromq/files/zeromq-4.3.4-gcc-13.patch | 55 +++++++++++++++++++
 net-libs/zeromq/zeromq-4.3.4-r2.ebuild          | 71 +++++++++++++++++++++++++
 2 files changed, 126 insertions(+)

diff --git a/net-libs/zeromq/files/zeromq-4.3.4-gcc-13.patch 
b/net-libs/zeromq/files/zeromq-4.3.4-gcc-13.patch
new file mode 100644
index 000000000000..79deeacc2bd8
--- /dev/null
+++ b/net-libs/zeromq/files/zeromq-4.3.4-gcc-13.patch
@@ -0,0 +1,55 @@
+https://github.com/zeromq/libzmq/commit/438d5d88392baffa6c2c5e0737d9de19d6686f0d
+
+From 438d5d88392baffa6c2c5e0737d9de19d6686f0d Mon Sep 17 00:00:00 2001
+From: Sergei Trofimovich <[email protected]>
+Date: Tue, 20 Dec 2022 21:45:16 +0000
+Subject: [PATCH] src/secure_allocator.hpp: define missing 'rebind' type
+
+`gcc-13` added an assert to standard headers to make sure custom
+allocators have intended implementation of rebind type instead
+of inherited rebind. gcc change:
+    https://gcc.gnu.org/git/?p=gcc.git;a=commitdiff;h=64c986b49558a7
+
+Without the fix build fails on this week's `gcc-13` as:
+
+    [ 92%] Building CXX object 
tests/CMakeFiles/test_security_curve.dir/test_security_curve.cpp.o
+    In file included from 
/<<NIX>>/gcc-13.0.0/include/c++/13.0.0/ext/alloc_traits.h:34,
+                     from 
/<<NIX>>/gcc-13.0.0/include/c++/13.0.0/bits/stl_uninitialized.h:64,
+                     from /<<NIX>>/gcc-13.0.0/include/c++/13.0.0/memory:69,
+                     from tests/../src/secure_allocator.hpp:42,
+                     from tests/../src/curve_client_tools.hpp:49,
+                     from tests/test_security_curve.cpp:53:
+    /<<NIX>>/gcc-13.0.0/include/c++/13.0.0/bits/alloc_traits.h: In 
instantiation of 'struct 
std::__allocator_traits_base::__rebind<zmq::secure_allocator_t<unsigned char>, 
unsigned char, void>':
+    /<<NIX>>/gcc-13.0.0/include/c++/13.0.0/bits/alloc_traits.h:94:11:   
required by substitution of 'template<class _Alloc, class _Up> using 
std::__alloc_rebind = typename std::__allocator_traits_base::__rebind<_Alloc, 
_Up>::type [with _Alloc = zmq::secure_allocator_t<unsigned char>; _Up = 
unsigned char]'
+    /<<NIX>>/gcc-13.0.0/include/c++/13.0.0/bits/alloc_traits.h:228:8:   
required by substitution of 'template<class _Alloc> template<class _Tp> using 
std::allocator_traits< <template-parameter-1-1> >::rebind_alloc = 
std::__alloc_rebind<_Alloc, _Tp> [with _Tp = unsigned char; _Alloc = 
zmq::secure_allocator_t<unsigned char>]'
+    /<<NIX>>/gcc-13.0.0/include/c++/13.0.0/ext/alloc_traits.h:126:65:   
required from 'struct 
__gnu_cxx::__alloc_traits<zmq::secure_allocator_t<unsigned char>, unsigned 
char>::rebind<unsigned char>'
+    /<<NIX>>/gcc-13.0.0/include/c++/13.0.0/bits/stl_vector.h:88:21:   required 
from 'struct std::_Vector_base<unsigned char, zmq::secure_allocator_t<unsigned 
char> >'
+    /<<NIX>>/gcc-13.0.0/include/c++/13.0.0/bits/stl_vector.h:423:11:   
required from 'class std::vector<unsigned char, 
zmq::secure_allocator_t<unsigned char> >'
+    tests/../src/curve_client_tools.hpp:64:76:   required from here
+    /<<NIX>>/gcc-13.0.0/include/c++/13.0.0/bits/alloc_traits.h:70:31: error: 
static assertion failed: allocator_traits<A>::rebind_alloc<A::value_type> must 
be A
+       70 |                         _Tp>::value,
+          |                               ^~~~~
+
+The change adds trivial `rebind` definition with expected return type
+and satisfies conversion requirements.
+--- a/src/secure_allocator.hpp
++++ b/src/secure_allocator.hpp
+@@ -99,6 +99,17 @@ bool operator!= (const secure_allocator_t<T> &, const 
secure_allocator_t<U> &)
+ #else
+ template <typename T> struct secure_allocator_t : std::allocator<T>
+ {
++    secure_allocator_t () ZMQ_DEFAULT;
++
++    template <class U>
++    secure_allocator_t (const secure_allocator_t<U> &) ZMQ_NOEXCEPT
++    {
++    }
++
++    template <class U> struct rebind
++    {
++        typedef secure_allocator_t<U> other;
++    };
+ };
+ #endif
+ }
+

diff --git a/net-libs/zeromq/zeromq-4.3.4-r2.ebuild 
b/net-libs/zeromq/zeromq-4.3.4-r2.ebuild
new file mode 100644
index 000000000000..06892942f602
--- /dev/null
+++ b/net-libs/zeromq/zeromq-4.3.4-r2.ebuild
@@ -0,0 +1,71 @@
+# Copyright 1999-2023 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI="7"
+
+inherit autotools
+
+DESCRIPTION="A brokerless kernel"
+HOMEPAGE="https://zeromq.org/";
+SRC_URI="https://github.com/zeromq/libzmq/releases/download/v${PV}/${P}.tar.gz";
+
+LICENSE="LGPL-3"
+SLOT="0/5"
+KEYWORDS="~amd64 ~arm ~arm64 ~hppa ~ia64 ~loong ~m68k ~mips ~ppc ~ppc64 ~riscv 
~s390 ~sparc ~x86 ~amd64-linux ~x86-linux ~x64-macos"
+IUSE="doc drafts +libbsd pgm +sodium static-libs test unwind"
+RESTRICT="!test? ( test )"
+
+RDEPEND="
+       !elibc_Darwin? ( unwind? ( sys-libs/libunwind ) )
+       libbsd? ( dev-libs/libbsd:= )
+       sodium? ( dev-libs/libsodium:= )
+"
+DEPEND="
+       ${RDEPEND}
+       !elibc_Darwin? ( sys-apps/util-linux )
+"
+BDEPEND="
+       doc? (
+               app-text/asciidoc
+               app-text/xmlto
+       )
+       pgm? ( virtual/pkgconfig )
+"
+
+PATCHES=(
+       "${FILESDIR}"/${P}-gcc-13.patch
+)
+
+src_prepare() {
+       sed \
+               -e '/libzmq_werror=/s:yes:no:g' \
+               -i configure.ac || die
+       default
+       eautoreconf
+}
+
+src_configure() {
+       local myeconfargs=(
+               --enable-shared
+               --without-pgm
+               $(use_enable drafts)
+               $(use_enable libbsd)
+               $(use_enable static-libs static)
+               $(use_enable unwind libunwind)
+               $(use_with sodium libsodium)
+               $(use_with doc docs)
+       )
+       econf "${myeconfargs[@]}"
+}
+
+src_test() {
+       # Restricting to one job because multiple tests are using the same port.
+       # Upstream knows the problem and says it doesn't support parallel test
+       # execution, see ${S}/INSTALL.
+       emake -j1 check
+}
+
+src_install() {
+       default
+       find "${ED}"/usr/lib* -name '*.la' -delete || die
+}

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