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 $$?;))
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<div class='path'>path: <a href='/guix/log/?id=573d478f729d732b65b2dabc295a31e08f9ad32b'>root</a>/<a href='/guix/log/nix?id=573d478f729d732b65b2dabc295a31e08f9ad32b'>nix</a>/<a href='/guix/log/nix/libutil?id=573d478f729d732b65b2dabc295a31e08f9ad32b'>libutil</a>/<a href='/guix/log/nix/libutil/util.cc?id=573d478f729d732b65b2dabc295a31e08f9ad32b'>util.cc</a></div><div class='content'><table class='list nowrap'><tr class='nohover'><th class='left'>Age</th><th class='left'>Commit message (<a href='/guix/log/nix/libutil/util.cc?id=573d478f729d732b65b2dabc295a31e08f9ad32b&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2024-05-13 16:31:34 +0200'>2024-05-13</span></td><td><a href='/guix/commit/nix/libutil/util.cc?id=7757fdd491862fa5c33f1f894503346b89898a01'>daemon: Loop over ‘copy_file_range’ upon short writes.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2024-03-12 14:07:28 +0100'>2024-03-12</span></td><td><a href='/guix/commit/nix/libutil/util.cc?id=ff1251de0bc327ec478fc66a562430fbf35aef42'>daemon: Address shortcoming in previous security fix for CVE-2024-27297.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2024-03-11 22:12:34 +0100'>2024-03-11</span></td><td><a href='/guix/commit/nix/libutil/util.cc?id=8f4ffb3fae133bb21d7991e97c2f19a7108b1143'>daemon: Protect against FD escape when building fixed-output derivations (CVE...</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2022-12-18 01:16:47 +0100'>2022-12-18</span></td><td><a href='/guix/commit/nix/libutil/util.cc?id=2d4d26769d6a3be1b21302b0bb2bd099fd55ccf8'>daemon: Make "opening file" error messages distinguishable.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2021-11-19 23:04:19 +0100'>2021-11-19</span></td><td><a href='/guix/commit/nix/libutil/util.cc?id=24224530d1f4a70808d003ba8dce849b77625b79'>daemon: Micro-optimize 'deletePath'.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>