Index: head/devel/Makefile
===================================================================
--- head/devel/Makefile
+++ head/devel/Makefile
@@ -319,6 +319,7 @@
     SUBDIR += clojure-cider
     SUBDIR += cloudabi
     SUBDIR += cloudabi-toolchain
+    SUBDIR += clthreads
     SUBDIR += cltune
     SUBDIR += cmake
     SUBDIR += cmake-doc
Index: head/devel/clthreads/Makefile
===================================================================
--- head/devel/clthreads/Makefile
+++ head/devel/clthreads/Makefile
@@ -0,0 +1,24 @@
+# $FreeBSD$
+
+PORTNAME=	clthreads
+DISTVERSION=	2.4.0
+CATEGORIES=	devel
+MASTER_SITES=	http://kokkinizita.linuxaudio.org/linuxaudio/downloads/
+
+MAINTAINER=	yuri@FreeBSD.org
+COMMENT=	C++ wrapper library around the POSIX threads API
+
+LICENSE=	LGPL21
+LICENSE_FILE=	${WRKSRC}/COPYING
+
+USES=		tar:bz2
+USE_LDCONFIG=	yes
+
+PLIST_FILES=	include/clthreads.h \
+		lib/libclthreads.so \
+		lib/libclthreads.so.${DISTVERSION}
+
+post-install:
+	@${STRIP_CMD} ${STAGEDIR}${PREFIX}/lib/libclthreads.so.${DISTVERSION}
+
+.include <bsd.port.mk>
Index: head/devel/clthreads/distinfo
===================================================================
--- head/devel/clthreads/distinfo
+++ head/devel/clthreads/distinfo
@@ -0,0 +1,3 @@
+TIMESTAMP = 1511064281
+SHA256 (clthreads-2.4.0.tar.bz2) = a69fd566af24b85a10c5ecd957a85b7f5eb1c56995d2b999219b52f353ea1de9
+SIZE (clthreads-2.4.0.tar.bz2) = 14796
Index: head/devel/clthreads/files/patch-Makefile
===================================================================
--- head/devel/clthreads/files/patch-Makefile
+++ head/devel/clthreads/files/patch-Makefile
@@ -0,0 +1,51 @@
+--- Makefile.orig	2008-03-22 21:48:25 UTC
++++ Makefile
+@@ -17,18 +17,18 @@
+ 
+ # Modify as required.
+ #
+-PREFIX = /usr/local
+-SUFFIX := $(shell uname -m | sed -e 's/^unknown/$//' -e 's/^i.86/$//' -e 's/^x86_64/$/64/')
+-LIBDIR = lib$(SUFFIX)
++PREFIX ?= /usr/local
++#SUFFIX := $(shell uname -m | sed -e 's/^unknown/$//' -e 's/^i.86/$//' -e 's/^x86_64/$/64/')
++LIBDIR = lib
+ 
+ 
+ MAJVERS = 2
+ MINVERS = 4.0
+ VERSION = $(MAJVERS).$(MINVERS)
+-DISTDIR = clthreads-$(VERSION)
++DISTDIR ?= clthreads-$(VERSION)
+ 
+ 
+-CPPFLAGS += -Wall -I. -fpic -D_REENTRANT -D_POSIX_PTHREAD_SEMANTICS -O2 
++CXXFLAGS += -Wall -I. -fpic -D_REENTRANT -D_POSIX_PTHREAD_SEMANTICS
+ LDLFAGS += 
+ LDLIBS +=
+ 
+@@ -41,16 +41,16 @@ CLTHREADS_O = p_thread.o a_thread.o itc_
+ CLTHREADS_H = clthreads.h
+ 
+ 
+-$(CLTHREADS_MIN): $(CLTHREADS_O)
+-	g++ -shared $(LDFLAGS) -Wl,-soname,$(CLTHREADS_MAJ) -o $(CLTHREADS_MIN) $(CLTHREADS_O) $(CLTHREADS_DEP)
++all: $(CLTHREADS_O)
++	$(CXX) -shared $(LDFLAGS) -Wl,-soname,$(CLTHREADS_MAJ) -o $(CLTHREADS_MIN) $(CLTHREADS_O) $(CLTHREADS_DEP)
+ 
+ 
+-install:	$(CLTHREADS_MIN)
+-	/usr/bin/install -d $(PREFIX)/$(LIBDIR)
+-	/usr/bin/install -m 644 $(CLTHREADS_H) $(PREFIX)/include
+-	/usr/bin/install -m 755 $(CLTHREADS_MIN) $(PREFIX)/$(LIBDIR)
+-	/sbin/ldconfig -n $(PREFIX)/$(LIBDIR)
+-	ln -sf $(CLTHREADS_MIN) $(PREFIX)/$(LIBDIR)/$(CLTHREADS_SO)
++install:	all
++	#/usr/bin/install -d $(PREFIX)/$(LIBDIR)
++	/usr/bin/install -m 644 $(CLTHREADS_H) $(DESTDIR)$(PREFIX)/include
++	/usr/bin/install -m 755 $(CLTHREADS_MIN) $(DESTDIR)$(PREFIX)/$(LIBDIR)
++	#/sbin/ldconfig -n $(PREFIX)/$(LIBDIR)
++	ln -sf $(CLTHREADS_MIN) $(DESTDIR)$(PREFIX)/$(LIBDIR)/$(CLTHREADS_SO)
+ 
+ 
+ clean:
Index: head/devel/clthreads/pkg-descr
===================================================================
--- head/devel/clthreads/pkg-descr
+++ head/devel/clthreads/pkg-descr
@@ -0,0 +1,3 @@
+A C++ threading library by Fons Adriaensen <fons@kokkinizita.net>.
+
+WWW: http://kokkinizita.linuxaudio.org/linuxaudio