nettle: Update to version 3.1

This build enables FAT binaries for ARM and adds a compat package
for programs that are linked against older versions of nettle.

Fixes #10794

compat-nettle/compat-nettle.nm

@@ -0,0 +1,64 @@
+###############################################################################
+# IPFire.org    - An Open Source Firewall Solution                            #
+# Copyright (C) - IPFire Development Team <info@ipfire.org>                   #
+###############################################################################
+
+name       = compat-nettle
+version    = 2.7.1
+release    = 1
+thisapp    = nettle-%{version}
+
+groups     = System/Libraries
+url        = http://www.lysator.liu.se/~nisse/nettle/
+license    = LGPL
+summary    = A low-level cryptographic library.
+
+description
+	Nettle is a cryptographic library that is designed to fit easily in
+	more or less any context: In crypto toolkits for object-oriented
+	languages (C++, Python, Pike, ...), in applications like LSH or GNUPG,
+	or even in kernel space.
+end
+
+source_dl  = http://www.lysator.liu.se/~nisse/archive/
+
+build
+	requires
+		gmp-devel
+		m4
+	end
+
+	configure_options += \
+		--enable-shared
+
+	test
+		make check
+	end
+
+	install
+		# Install just the library and no headers.
+		mkdir -pv %{BUILDROOT}%{libdir}
+
+		install -m 755 libhogweed.so %{BUILDROOT}%{libdir}/libhogweed.so.2.5
+		ln -svf libhogweed.so.2.5 %{BUILDROOT}%{libdir}/libhogweed.so.2
+
+		install -m 755 libnettle.so %{BUILDROOT}%{libdir}/libnettle.so.4.7
+		ln -svf libnettle.so.4.7 %{BUILDROOT}%{libdir}/libnettle.so.4
+	end
+end
+
+packages
+	package %{name}
+		provides
+			nettle = %{thisver}
+		end
+
+		obsoletes
+			nettle <= %{thisver}
+		end
+	end
+
+	package %{name}-debuginfo
+		template DEBUGINFO
+	end
+end

nettle/nettle.nm

@@ -4,7 +4,7 @@
 ###############################################################################
 
 name       = nettle
-version    = 2.7.1
+version    = 3.1
 release    = 1
 
 groups     = System/Libraries
@@ -30,6 +30,22 @@ build
 	configure_options += \
 		--enable-shared
 
+	enable_fat = 0
+
+	# Does not work. Binaries are immediately crashing
+	#if "%{DISTRO_ARCH}" == "x86_64"
+	#	enable_fat = 1
+	#end
+
+	if "%{DISTRO_PLATFORM}" == "arm"
+		enable_fat = 1
+	end
+
+	if "%{enable_fat}" == "1"
+		configure_options += \
+			--enable-fat
+	end
+
 	test
 		make check
 	end