4 files changed, 132 insertions, 0 deletions
diff --git a/dev-lua/lanes/Manifest b/dev-lua/lanes/Manifest
index 69a736731c5a..8acfc401c345 100644
--- a/dev-lua/lanes/Manifest
+++ b/dev-lua/lanes/Manifest
@@ -1 +1,2 @@
 DIST lanes-3.17.2.tar.gz 448975 BLAKE2B 8efc10175fbbaf91f47da02fbce7b115b99cd82b9fda11825d39e6bb5e32b76ff3d31c7e384a13476b5b5605e9c2adfcab3111f4a97fd67748d42a7af2ad0977 SHA512 1d5a7594eb321cfaf2d46668ad2a84e74240e261bc9e7e279b51afa2d8f61024f73fa6ba31a9c05d686bde863f817bb8622b0878b0b2a5e18e87e8348e7eec62
+DIST lanes-4.0.0.tar.gz 536121 BLAKE2B 38b6694923eeb6277dd2e7225d62be8e54999b44d18b55b70f9c58996dc29b38c550b1d1c1149640bcdb386e576cf236e3ebba56f568500a8d64739a3fe8810e SHA512 9e7e3aa83214ac554950055b0f518135029f6cdbdc5e6a909364b8d7dcbfa38fd7d76f462e4b6430f917ac5884eb21548466174f433229b2c1566bb6faba4039
diff --git a/dev-lua/lanes/files/lanes-4.0.0-glibc-2.43.patch b/dev-lua/lanes/files/lanes-4.0.0-glibc-2.43.patch
new file mode 100644
index 000000000000..9f613589a5e9
--- /dev/null
+++ b/dev-lua/lanes/files/lanes-4.0.0-glibc-2.43.patch
@@ -0,0 +1,10 @@
+--- a/src/universe.hpp
++++ b/src/universe.hpp
+@@ -7,6 +7,7 @@
+ #include "threading.hpp"
+ #include "tracker.hpp"
+ #include "uniquekey.hpp"
++#include <unistd.h>
+ 
+ // #################################################################################################
+ 
diff --git a/dev-lua/lanes/files/lanes-4.0.0-makefile.patch b/dev-lua/lanes/files/lanes-4.0.0-makefile.patch
new file mode 100644
index 000000000000..b8ac12411824
--- /dev/null
+++ b/dev-lua/lanes/files/lanes-4.0.0-makefile.patch
@@ -0,0 +1,21 @@
+--- a/Makefile
++++ b/Makefile
+@@ -277,7 +277,6 @@
+ 	mkdir -p $(LUA_LIBDIR) $(LUA_SHAREDIR)
+ 	install -m 644 $(_LANES_TARGET) $(LUA_LIBDIR)
+ 	cp -p src/lanes.lua $(LUA_SHAREDIR)
+-	install -m 644 $(_DUE_TARGET) $(LUA_LIBDIR)
+ 
+ uninstall:
+ 	rm $(LUA_LIBDIR)/lanes_core.$(_SO)
+--- a/src/Lanes.makefile
++++ b/src/Lanes.makefile
+@@ -29,7 +29,7 @@
+ # Note: Don't put $(LUA_LIBS) ahead of $^; MSYS will not like that (I think)
+ #
+ $(_TARGET): $(_OBJ)
+-	$(CC) $(LIBFLAG) $^ $(LIBS) $(LUA_LIBS) -o $@
++	$(CC) $(LDFLAGS) $(LIBFLAG) $^ $(LIBS) $(LUA_LIBS) -o $@
+ 
+ clean:
+ 	-rm -rf $(_TARGET) *.o *.map *.gch
diff --git a/dev-lua/lanes/lanes-4.0.0.ebuild b/dev-lua/lanes/lanes-4.0.0.ebuild
new file mode 100644
index 000000000000..7a9d2c462565
--- /dev/null
+++ b/dev-lua/lanes/lanes-4.0.0.ebuild
@@ -0,0 +1,100 @@
+# Copyright 1999-2026 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+LUA_COMPAT=( lua5-{1,3,4} luajit )
+
+inherit lua toolchain-funcs
+
+DESCRIPTION="Lightweight, native, lazy evaluating multithreading library"
+HOMEPAGE="https://github.com/LuaLanes/lanes"
+SRC_URI="https://github.com/LuaLanes/lanes/archive/v${PV}.tar.gz -> ${P}.tar.gz"
+
+LICENSE="MIT"
+SLOT="0"
+KEYWORDS="~amd64 ~arm ~arm64 ~hppa ~ppc ~ppc64 ~sparc ~x86"
+IUSE="test"
+REQUIRED_USE="${LUA_REQUIRED_USE}"
+
+# Tests are currently somehow problematic.
+# https://github.com/LuaLanes/lanes/issues/197
+# https://github.com/LuaLanes/lanes/issues/198
+RESTRICT="test"
+
+RDEPEND="${LUA_DEPS}"
+DEPEND="${RDEPEND}"
+BDEPEND="
+	virtual/pkgconfig
+	test? ( ${RDEPEND} )
+"
+
+HTML_DOCS=( "docs/." )
+
+PATCHES=(
+	"${FILESDIR}/${PN}-4.0.0-glibc-2.43.patch"
+	"${FILESDIR}/${PN}-4.0.0-makefile.patch"
+)
+
+src_prepare() {
+	default
+
+	# Replace which with 'command -v'
+	sed -e 's/which/command -v/g' -i Makefile || die
+	sed -e 's/which/command -v/g' -i Shared.makefile || die
+
+	lua_copy_sources
+}
+
+lua_src_compile() {
+	pushd "${BUILD_DIR}" || die
+
+	local myemakeargs=(
+		"CC=$(tc-getCC)"
+		"LUA=${ELUA}"
+		"LUA_FLAGS=$(lua_get_CFLAGS)"
+		"LUA_LIBS="
+		"OPT_FLAGS=${CFLAGS}"
+	)
+
+	tc-export PKG_CONFIG
+
+	emake "${myemakeargs[@]}"
+
+	popd
+}
+
+src_compile() {
+	lua_foreach_impl lua_src_compile
+}
+
+lua_src_test() {
+	pushd "${BUILD_DIR}" || die
+
+	emake LUA="${ELUA}" test
+
+	popd
+}
+
+src_test() {
+	lua_foreach_impl lua_src_test
+}
+
+lua_src_install() {
+	pushd "${BUILD_DIR}" || die
+
+	local myemakeargs=(
+		"LUA_LIBDIR=${ED}/$(lua_get_cmod_dir)"
+		"LUA_SHAREDIR=${ED}/$(lua_get_lmod_dir)"
+	)
+
+	emake "${myemakeargs[@]}" install
+
+	popd
+}
+
+src_install() {
+	lua_foreach_impl lua_src_install
+
+	einstalldocs
+}