dev-libs/libfastjson: Add libfastjson to the tree.

libfastjson will be a requirement for the upcoming app-admin/rsyslog-8.17.0 ebuild.

Package-Manager: portage-2.2.28
Closes: https://github.com/gentoo/gentoo/pull/1050

dev-libs/libfastjson/Manifest

@@ -0,0 +1 @@
+DIST libfastjson-0.99.2.tar.gz 366602 SHA256 6ff053d455243a81014f37b4d81c746d9b8d40256a56326c3a7921c8bf458dfd SHA512 4b57697cbb901bc12a26d98c3d6df998aba373d4f38339189c9bd3e5a32777fa4796039fe82581337e576fa93c6deb87759eba04326134f587064c82e1b3daaf WHIRLPOOL 56010125b4ba905aba3fa7ad69faf38237426c1ef5cbaad90458fe31e96b86719d2766d2099928dc22aa7d98a64d079a3bd9de31702b28547d1f1d416170d487

dev-libs/libfastjson/files/libfastjson-0.99.2-fix-for-implicit-declaration-of-vasprintf.patch

@@ -0,0 +1,27 @@
+From d895b1327814fad6846fec9370fade177a587aa3 Mon Sep 17 00:00:00 2001
+From: Thomas D.
+Date: Tue, 8 Mar 2016 16:05:08 +0100
+Subject: [PATCH] printbuf.c: Fix for implicit declaration of function
+ 'vasprintf'
+
+Using the same q'n'd fix from eabae907c9d991143e17da278a239819f2e8ae1c for
+printbuf.c as well.
+---
+ printbuf.c | 1 +
+ 1 file changed, 1 insertion(+)
+
+diff --git a/printbuf.c b/printbuf.c
+index 18237f6..d529d23 100644
+--- a/printbuf.c
++++ b/printbuf.c
+@@ -15,6 +15,7 @@
+ 
+ #include "config.h"
+ 
++#define _GNU_SOURCE
+ #include <stdio.h>
+ #include <stdlib.h>
+ #include <string.h>
+-- 
+2.7.2
+

dev-libs/libfastjson/libfastjson-0.99.2.ebuild

@@ -0,0 +1,48 @@
+# Copyright 1999-2016 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+# $Id$
+
+EAPI=6
+
+inherit autotools
+
+DESCRIPTION="Fork of the json-c library, which is optimized for liblognorm processing"
+HOMEPAGE="http://www.rsyslog.com/tag/libfastjson/"
+SRC_URI="http://download.rsyslog.com/${PN}/${P}.tar.gz"
+
+LICENSE="MIT"
+
+# subslot = soname version
+SLOT="0/3.0.0"
+
+KEYWORDS="~amd64 ~x86"
+IUSE="static-libs"
+
+DEPEND=""
+RDEPEND=""
+
+src_prepare() {
+	local PATCHES=(
+		"${FILESDIR}"/${PN}-0.99.2-fix-for-implicit-declaration-of-vasprintf.patch
+	)
+
+	default
+
+	eautoreconf
+}
+
+src_configure() {
+	local myeconfargs=(
+		$(use_enable static-libs static)
+		--disable-rdrand
+	)
+
+	econf "${myeconfargs[@]}"
+}
+
+src_install() {
+	local DOCS=( AUTHORS ChangeLog )
+	default
+
+	find "${ED}"usr/lib* -name '*.la' -delete || die
+}

dev-libs/libfastjson/metadata.xml

@@ -0,0 +1,16 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<pkgmetadata>
+	<maintainer type="person">
+		<email>whissi@whissi.de</email>
+		<name>Thomas D. (Whissi)</name>
+	</maintainer>
+	<maintainer type="project">
+		<email>proxy-maint@gentoo.org</email>
+		<name>Proxy Maintainers</name>
+	</maintainer>
+	<upstream>
+		<bugs-to>https://github.com/rsyslog/libfastjson/issues</bugs-to>
+		<remote-id type="github">rsyslog/libfastjson</remote-id>
+	</upstream>
+</pkgmetadata>