gnu: Remove 4store.

* gnu/packages/databases.scm (4store): Delete variable.
* gnu/packages/patches/4store-fix-buildsystem.patch: Delete file.
* gnu/packages/patches/4store-unset-preprocessor-directive.patch: Likewise.
* gnu/local.mk (dist_patch_DATA): De-register them.

gnu/local.mk

@@ -825,8 +825,6 @@ MODULES_NOT_COMPILED +=				\
 
 patchdir = $(guilemoduledir)/%D%/packages/patches
 dist_patch_DATA =						\
-  %D%/packages/patches/4store-fix-buildsystem.patch		\
-  %D%/packages/patches/4store-unset-preprocessor-directive.patch	\
   %D%/packages/patches/a2ps-CVE-2001-1593.patch	\
   %D%/packages/patches/a2ps-CVE-2014-0466.patch	\
   %D%/packages/patches/a2ps-CVE-2015-8107.patch	\

gnu/packages/databases.scm

@@ -177,47 +177,6 @@ (define-module (gnu packages databases)
   #:use-module (srfi srfi-26)
   #:use-module (ice-9 match))
 
-(define-public 4store
-  (package
-    (name "4store")
-    (version "1.1.6")
-    (source (origin
-      (method git-fetch)
-      (uri (git-reference
-             (url "https://github.com/4store/4store")
-             (commit (string-append "v" version))))
-      (file-name (git-file-name name version))
-      (sha256
-       (base32 "1kzdfmwpzy64cgqlkcz5v4klwx99w0jk7afckyf7yqbqb4rydmpk"))
-      (patches (search-patches "4store-unset-preprocessor-directive.patch"
-                               "4store-fix-buildsystem.patch"))))
-    (build-system gnu-build-system)
-    (native-inputs
-     (list perl
-           python-2
-           autoconf
-           automake
-           gettext-minimal
-           libtool
-           `(,pcre "bin") ;for 'pcre-config'
-           pkg-config))
-    (inputs
-     (list glib
-           rasqal
-           libxml2
-           raptor2
-           readline
-           avahi
-           cyrus-sasl
-           openssl
-           `(,util-linux "lib")))
-    ;; http://www.4store.org has been down for a while now.
-    (home-page "https://github.com/4store/4store")
-    (synopsis "Clustered RDF storage and query engine")
-    (description "4store is a RDF/SPARQL store written in C, supporting
-either single machines or networked clusters.")
-    (license license:gpl3+)))
-
 (define-public ephemeralpg
   (package
     (name "ephemeralpg")

gnu/packages/patches/4store-fix-buildsystem.patch

@@ -1,56 +0,0 @@
-This patch sets a fixed version to avoid needing Git and the .git/ folder.
-It also removes the creation of "/var/lib/4store", which is not available
-during the install phase in GNU Guix.
-
-Patch by Roel Janssen <roel@gnu.org>
-*** a/configure.ac	Wed Feb  4 19:05:24 2015
---- b/configure.ac	Wed Mar 23 11:20:38 2016
-***************
-*** 2,13 ****
-  # Process this file with autoconf to produce a configure script.
-
-  AC_PREREQ([2.50])
-! AC_INIT([4store], m4_esyscmd([./version.sh .version]), [http://4store.org/support/], [4store])
-  AC_CONFIG_SRCDIR([src/backend/backend-intl.h])
-! AM_INIT_AUTOMAKE([1.7 std-options -Wall])
-  AC_CONFIG_HEADERS(4store-config.h)
-
-  # Checks for programs.
-  AC_PROG_LIBTOOL
-  AC_PROG_AWK
-  AC_PROG_CC
---- 2,14 ----
-  # Process this file with autoconf to produce a configure script.
-
-  AC_PREREQ([2.50])
-! AC_INIT([4store], [1.1.6], [http://4store.org/support/], [4store])
-  AC_CONFIG_SRCDIR([src/backend/backend-intl.h])
-! AM_INIT_AUTOMAKE([1.7 std-options foreign -Wall])
-  AC_CONFIG_HEADERS(4store-config.h)
-
-  # Checks for programs.
-+ AM_PROG_AR
-  AC_PROG_LIBTOOL
-  AC_PROG_AWK
-  AC_PROG_CC
-
-*** a/src/utilities/Makefile.am	Wed Feb  4 19:05:24 2015
---- b/src/utilities/Makefile.am	Wed Mar 23 14:05:56 2016
-***************
-*** 13,20 ****
-  noinst_PROGRAMS = lex-file-verify 4s-rid
-
-  install-data-local: 
-! 	mkdir -p $(DESTDIR)@FS_STORE_ROOT@
-! 	chmod 1777 $(DESTDIR)@FS_STORE_ROOT@
-
-  4s_backend_destroy_SOURCES = backend-destroy.c
-  4s_backend_destroy_LDADD = ../common/lib4sintl.a
---- 13,19 ----
-  noinst_PROGRAMS = lex-file-verify 4s-rid
-
-  install-data-local: 
-! 	echo "Please create the following directory: " $(DESTDIR)@FS_STORE_ROOT@
-
-  4s_backend_destroy_SOURCES = backend-destroy.c
-  4s_backend_destroy_LDADD = ../common/lib4sintl.a

gnu/packages/patches/4store-unset-preprocessor-directive.patch

@@ -1,16 +0,0 @@
-This patch removes the _XOPEN_SOURCE preprocessor directive as it does not seem to be needed.
-Setting it removes the definition of strdup, which is used in filter-datatypes.c.
-
-Patch by Roel Janssen <roel@gnu.org>
-*** a/src/frontend/filter-datatypes.c	1970-01-01 01:00:00.000000000 +0100
---- b/src/frontend/filter-datatypes.c	2018-04-03 17:39:23.177905592 +0200
-***************
-*** 18,24 ****
-   *  Copyright (C) 2006 Steve Harris for Garlik
-   */
-  
-- #define _XOPEN_SOURCE
-  #include <stdlib.h>
-  #include <string.h>
-  #include <math.h>
---- 18,23 ----