diff --git a/libs/pthsem/Makefile b/libs/pthsem/Makefile
new file mode 100644
index 000000000..a36bc0296
--- /dev/null
+++ b/libs/pthsem/Makefile
@@ -0,0 +1,68 @@
+#
+# Copyright (C) 2008-2014 OpenWrt.org
+#
+# This is free software, licensed under the GNU General Public License v2.
+# See /LICENSE for more information.
+#
+
+include $(TOPDIR)/rules.mk
+
+PKG_NAME:=pthsem
+PKG_VERSION:=2.0.8
+PKG_RELEASE:=2
+
+PKG_MAINTAINER:=Othmar Truniger <github@truniger.ch>
+PKG_LICENSE:=LGPL-2.1+
+PKG_LICENSE_FILES:=COPYING
+
+PKG_SOURCE:=$(PKG_NAME)_$(PKG_VERSION).tar.gz
+PKG_SOURCE_URL:=http://www.auto.tuwien.ac.at/~mkoegler/pth/
+PKG_MD5SUM:=9144b26dcc27e67498d63dd5456f934c
+
+PKG_BUILD_DIR:=$(BUILD_DIR)/$(PKG_NAME)-$(PKG_VERSION)
+PKG_FIXUP:=autoreconf
+PKG_BUILD_PARALLEL:=1
+PKG_INSTALL:=1
+
+include $(INCLUDE_DIR)/package.mk
+
+define Package/pthsem
+  SECTION:=libs
+  CATEGORY:=Libraries
+  TITLE:=GNU pth extended with semaphore support
+  URL:=http://www.auto.tuwien.ac.at/~mkoegler/index.php/pth
+endef
+
+define Package/pthsem/description
+  GNU pth is a user mode multi threading library.
+  pthsem is an extend version, with support for semaphores added. It can be installed parallel to a normal pth.
+endef
+
+MAKE_FLAGS += \
+        OPTIM="$(TARGET_CFLAGS)" \
+        CFLAGS="$(TARGET_CFLAGS)" \
+        DESTDIR="$(PKG_INSTALL_DIR)"
+
+define Build/InstallDev
+        $(INSTALL_DIR) $(2)/bin
+        $(INSTALL_BIN) \
+                $(PKG_INSTALL_DIR)/usr/bin/pthsem-config \
+                $(2)/bin/
+        $(SED) \
+                's,^\(prefix\|exec_prefix\)=.*,\1=$(STAGING_DIR)/usr,g' \
+                $(2)/bin/pthsem-config
+
+        $(INSTALL_DIR) $(1)/usr/include
+        $(CP)   $(PKG_INSTALL_DIR)/usr/include/*.h \
+                $(1)/usr/include/
+        $(INSTALL_DIR) $(1)/usr/lib
+        $(CP)   $(PKG_INSTALL_DIR)/usr/lib/libpthsem.{a,la,so*} \
+                $(1)/usr/lib/
+endef
+
+define Package/pthsem/install
+        $(INSTALL_DIR) $(1)/usr/lib
+        $(CP) $(PKG_INSTALL_DIR)/usr/lib/libpthsem.so.* $(1)/usr/lib/
+endef
+
+$(eval $(call BuildPackage,pthsem))
diff --git a/libs/pthsem/patches/001-linux3x-fix.patch b/libs/pthsem/patches/001-linux3x-fix.patch
new file mode 100644
index 000000000..3b968f727
--- /dev/null
+++ b/libs/pthsem/patches/001-linux3x-fix.patch
@@ -0,0 +1,12 @@
+--- pthsem-2.0.8/acinclude.m4
++++ pthsem-2.0.8/acinclude.m4
+@@ -892,6 +892,8 @@
+         case "x`uname -r`" in
+ changequote(, )dnl
+             x2.[23456789]* ) ;;
++changequote(, )dnl
++            x3.* ) ;;
+ changequote([, ])
+             * ) braindead=yes ;;
+         esac
+