package/libnpth: new package

Needed for gnupg 2.1.x
https://git.gnupg.org/cgi-bin/gitweb.cgi?p=gnupg.git;a=commitdiff;h=001352077cdc7e402421c77328bea1a052005673

Signed-off-by: Bernd Kuhls <bernd.kuhls@t-online.de>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

DEVELOPERS

@@ -196,6 +196,7 @@ F:	package/libldns/
 F:	package/libmicrohttpd/
 F:	package/libminiupnpc/
 F:	package/libnatpmp/
+F:	package/libnpth/
 F:	package/libogg/
 F:	package/libopenh264/
 F:	package/libpciaccess/

package/Config.in

@@ -1365,6 +1365,7 @@ menu "Other"
 	source "package/libical/Config.in"
 	source "package/libite/Config.in"
 	source "package/liblinear/Config.in"
+	source "package/libnpth/Config.in"
 	source "package/libnspr/Config.in"
 	source "package/libpfm4/Config.in"
 	source "package/libplatform/Config.in"

package/libnpth/Config.in

@@ -0,0 +1,13 @@
+config BR2_PACKAGE_LIBNPTH
+	bool "libnpth"
+	depends on BR2_TOOLCHAIN_HAS_THREADS
+	depends on BR2_USE_MMU # fork()
+	help
+	  nPth is a library to provide the GNU Pth API and thus a
+	  non-preemptive threads implementation.
+
+	  https://www.gnupg.org/related_software/npth/index.html
+
+comment "libnpth needs a toolchain w/ threads support"
+	depends on !BR2_TOOLCHAIN_HAS_THREADS
+	depends on BR2_USE_MMU

package/libnpth/libnpth.hash

@@ -0,0 +1,2 @@
+# Locally calculated
+sha256 bca81940436aed0734eb8d0ff8b179e04cc8c087f5625204419f5f45d736a82a  npth-1.3.tar.bz2

package/libnpth/libnpth.mk

@@ -0,0 +1,14 @@
+################################################################################
+#
+# libnpth
+#
+################################################################################
+
+LIBNPTH_VERSION = 1.3
+LIBNPTH_SOURCE = npth-$(LIBNPTH_VERSION).tar.bz2
+LIBNPTH_SITE = ftp://ftp.gnupg.org/gcrypt/npth
+LIBNPTH_LICENSE = LGPLv3+ or GPLv2+
+LIBNPTH_LICENSE_FILES = COPYING COPYING.LESSER
+LIBNPTH_INSTALL_STAGING = YES
+
+$(eval $(autotools-package))