dev-libs/immer: new package, add 0.8.1

Signed-off-by: Sebastian Parborg <darkdefende@gmail.com>
Signed-off-by: Sam James <sam@gentoo.org>

dev-libs/immer/Manifest

@@ -0,0 +1 @@
+DIST immer-0.8.1.tar.gz 654638 BLAKE2B 23c8fc8d8e341ae271ea2881f3cba8bd446844dc48a79d959623ec9c7e1254feba22ae916d9e8d962d8afd8801671ac3dfc8a136e4ce40d2a1a019449c34554f SHA512 3a9aafeb5daad1881d00fb999b78f86b1c8f0e8ef2d6befe9025d8eea10392557ce7186f14878b36cbce0f2f5d38c8ffb39c9115a9496803acfc0ef2289f5cbf

dev-libs/immer/files/immer-0.8.1-fix-dvector-test.patch

@@ -0,0 +1,16 @@
+Without this array include, compilation of the dvektor test will fail.
+This has been fixed upstream in:
+https://github.com/arximboldi/immer/commit/f381e4988c1562f0f64533146c9b9cb7c0823b3e
+
+diff --git a/immer/experimental/detail/dvektor_impl.hpp b/immer/experimental/detail/dvektor_impl.hpp
+index 4f69733..7a21f1f 100644
+--- a/immer/experimental/detail/dvektor_impl.hpp
++++ b/immer/experimental/detail/dvektor_impl.hpp
+@@ -16,6 +16,7 @@
+ #include <boost/iterator/iterator_facade.hpp>
+ #include <boost/smart_ptr/intrusive_ref_counter.hpp>
+ 
++#include <array>
+ #include <cassert>
+ #include <cstddef>
+ #include <limits>

dev-libs/immer/immer-0.8.1.ebuild

@@ -0,0 +1,45 @@
+# Copyright 1999-2024 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+inherit cmake
+
+DESCRIPTION="A library of persistent and immutable data structures written in C++"
+HOMEPAGE="https://sinusoid.es/immer/"
+SRC_URI="https://github.com/arximboldi/${PN}/archive/v${PV}.tar.gz -> ${P}.tar.gz"
+
+LICENSE="Boost-1.0"
+SLOT="0"
+KEYWORDS="~amd64"
+IUSE="test"
+RESTRICT="!test? ( test )"
+
+RDEPEND="
+	dev-libs/boost:=
+	dev-libs/boehm-gc
+	test? ( <dev-cpp/catch-3:0 )
+"
+DEPEND="${RDEPEND}"
+
+PATCHES=(
+	"${FILESDIR}"/${P}-fix-dvector-test.patch
+)
+
+src_configure() {
+	local mycmakeargs=(
+		-Dimmer_BUILD_DOCS=OFF # Recheck if documentation is in a better state when bumping
+		-Dimmer_BUILD_EXAMPLES=OFF
+		-Dimmer_BUILD_EXTRAS=OFF
+		-Dimmer_BUILD_TESTS=$(usex test)
+		-DDISABLE_WERROR=ON
+	)
+	cmake_src_configure
+}
+
+src_compile() {
+	cmake_src_compile
+	if use test; then
+		cmake_build tests
+	fi
+}

dev-libs/immer/metadata.xml

@@ -0,0 +1,15 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
+<pkgmetadata>
+	<maintainer type="person" proxied="yes">
+		<email>darkdefende@gmail.com</email>
+		<name>Sebastian Parborg</name>
+	</maintainer>
+	<maintainer type="project" proxied="proxy">
+		<email>proxy-maint@gentoo.org</email>
+		<name>Proxy Maintainers</name>
+	</maintainer>
+	<upstream>
+		<remote-id type="github">arximboldi/immer</remote-id>
+	</upstream>
+</pkgmetadata>