gnu: flint: Update to 2.5.2.

* gnu/packages/algebra.scm (flint): Update to 2.5.2.
* gnu/packages/patches/flint-ldconfig.patch: New file.
* gnu-system.am (dist_patch_DATA): Register the patch.

gnu-system.am

@@ -444,6 +444,7 @@ dist_patch_DATA =						\
   gnu/packages/patches/findutils-localstatedir.patch		\
   gnu/packages/patches/flashrom-use-libftdi1.patch		\
   gnu/packages/patches/flex-bison-tests.patch			\
+  gnu/packages/patches/flint-ldconfig.patch			\
   gnu/packages/patches/fltk-shared-lib-defines.patch		\
   gnu/packages/patches/fuse-CVE-2015-3202.patch			\
   gnu/packages/patches/gawk-shell.patch				\

gnu/packages/algebra.scm

@@ -189,14 +189,15 @@ GP2C, the GP to C compiler, translates GP scripts to PARI programs.")
 (define-public flint
   (package
    (name "flint")
-   (version "2.4.5")
+   (version "2.5.2")
    (source (origin
             (method url-fetch)
             (uri (string-append
                   "http://flintlib.org/flint-"
                   version ".tar.gz"))
             (sha256 (base32
-                     "1qq11sxliy499a9g656dgk47ffb951q4gl6ddjbq838gy16kb2g4"))))
+                     "11syazv1a8rrnac3wj3hnyhhflpqcmq02q8pqk2m6g2k6h0gxwfb"))
+            (patches (map search-patch '("flint-ldconfig.patch")))))
    (build-system gnu-build-system)
    (propagated-inputs
     `(("gmp" ,gmp)
@@ -209,11 +210,6 @@ GP2C, the GP to C compiler, translates GP scripts to PARI programs.")
              (let ((out (assoc-ref outputs "out"))
                    (gmp (assoc-ref inputs "gmp"))
                    (mpfr (assoc-ref inputs "mpfr")))
-               ;; Drop test failing with gmp-6 due to changed invertibility
-               ;; of 0 in Z/1 Z, which according to the flint authors has no
-               ;; impact on flint.
-               ;; FIXME: Drop with later version.
-               (delete-file "fmpz/test/t-invmod.c")
                ;; do not pass "--enable-fast-install", which makes the
                ;; homebrew configure process fail
                (zero? (system*

gnu/packages/patches/flint-ldconfig.patch

@@ -0,0 +1,26 @@
+Patch by Andreas Enge <andreas@enge.fr>.
+Remedy the absence of ldconfig and explicitly create an additional symbolic
+link to the flint library, as discussed privately with upstream.
+
+diff -r -u flint-2.5.2.orig/configure flint-2.5.2/configure
+--- flint-2.5.2.orig/configure	2015-08-13 18:16:22.000000000 +0200
++++ flint-2.5.2/configure	2015-08-14 17:38:14.316284437 +0200
+@@ -714,6 +714,7 @@
+ echo "FLINT_SHARED=$SHARED" >> Makefile
+ echo "FLINT_LIB=$FLINT_LIB" >> Makefile
+ echo "FLINT_LIBNAME=$FLINT_LIBNAME" >> Makefile
++echo "FLINT_MAJOR=$FLINT_MAJOR" >> Makefile
+ echo "FLINT_SOLIB=$FLINT_SOLIB" >> Makefile
+ echo "EXEEXT=$EXEEXT" >> Makefile
+ echo "PREFIX=$PREFIX" >> Makefile
+diff -r -u flint-2.5.2.orig/Makefile.in flint-2.5.2/Makefile.in
+--- flint-2.5.2.orig/Makefile.in	2015-08-13 18:16:22.000000000 +0200
++++ flint-2.5.2/Makefile.in	2015-08-14 17:38:50.584774817 +0200
+@@ -118,6 +118,7 @@
+ 		$(LDCONFIG) -n "$(CURDIR)"; \
+ 	fi
+ 	ln -sf "$(FLINT_LIB)" "$(FLINT_LIBNAME)"; \
++	ln -sf "$(FLINT_LIB)" "$(FLINT_LIBNAME).$(FLINT_MAJOR)"; \
+ 
+ libflint.a: $(OBJS) $(LIB_SOURCES) $(EXT_SOURCES) $(HEADERS) $(EXT_HEADERS) | build build/interfaces
+ 	$(AT)$(foreach ext, $(EXTENSIONS), $(foreach dir, $(filter-out %templates, $(patsubst $(ext)/%.h, %, $(wildcard $(ext)/*.h))), mkdir -p build/$(dir); BUILD_DIR=$(CURDIR)/build/$(dir); export BUILD_DIR; MOD_DIR=$(dir); export MOD_DIR; $(MAKE) -f $(CURDIR)/Makefile.subdirs -C $(ext)/$(dir) static || exit $$?;))