--- /dev/null
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<pkgmetadata>
+ <maintainer type="person">
+ <email>haubi@gentoo.org</email>
+ <name>Michael Haubenwallner</name>
+ </maintainer>
+ <longdescription lang="en">
+ Also known as "pthreads-win32", POSIX Threads for Windows implements a large
+ subset of the threads related API from the Single Unix Specification Version 3.
+ </longdescription>
+</pkgmetadata>
--- /dev/null
+# Copyright 2019-2020 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=7
+
+DESCRIPTION="POSIX Threads for Windows"
+HOMEPAGE="http://pthreads4w.sourceforge.net/"
+SRC_URI="mirror://sourceforge/${PN}/${PN}-code-v${PV}.zip"
+
+LICENSE="LGPL-2"
+SLOT="0"
+KEYWORDS="~x86-winnt"
+IUSE=""
+
+DEPEND=""
+RDEPEND="${DEPEND}"
+BDEPEND="sys-devel/parity"
+
+S=${WORKDIR}/${PN}-code-07053a521b0a9deb6db2a649cde1f828f2eb1f4f
+
+src_compile() {
+ # from pthreads.h:
+ # Note: Unless the build explicitly defines one of the following, then
+ # we default to standard C style cleanup. This style uses setjmp/longjmp
+ # in the cancellation and thread exit implementations and therefore won't
+ # do stack unwinding if linked to applications that have it (e.g.
+ # C++ apps). This is currently consistent with most/all commercial Unix
+ # POSIX threads implementations.
+ local variant="VC" # C style cleanup
+
+ case ${CHOST} in
+ *-libcmtd*) variant+="-static-debug" ;;
+ *-libcmt*) variant+="-static" ;;
+ *-msvcd*) variant+="-debug" ;;
+ *-msvc*) ;;
+ esac
+
+ case ${CHOST} in
+ x86_64-*) variant+=" TARGET_CPU=x64" ;;
+ i?86-*) variant+=" TARGET_CPU=x86" ;;
+ esac
+
+ ${CHOST}-nmake -f Makefile ${variant} || die
+}
+
+src_install() {
+ local V=$(ver_cut 1)
+ case ${CHOST} in
+ *-libcmtd*|*-msvcd*) V+="d" ;; # debug CRT
+ esac
+ case ${CHOST} in
+ *-libcmt*) # static CRT
+ dolib.so libpthreadVC${V}.lib
+ newlib.so libpthreadVC${V}.lib libpthread.lib # for -lpthread
+ ;;
+ *-msvc*) # dynamic CRT
+ dobin pthreadVC${V}.dll
+ dolib.so pthreadVC${V}.lib
+ newlib.so pthreadVC${V}.lib pthread.lib # for -lpthread
+ ;;
+ esac
+ insinto /usr/include
+ doins {pthread,sched,semaphore,_ptw32}.h
+ einstalldocs
+}
+
+src_test() {
+ ${CHOST}-nmake -DEXHAUSTIVE all-tests || die
+}