diff --git a/.gitignore b/.gitignore
index 7dc8d58..12892ff 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1,2 @@
 /apron-*.tar.xz
+/apron-*.tar.gz
diff --git a/apron-mpfr4.patch b/apron-mpfr4.patch
index bb69434..e04eb18 100644
--- a/apron-mpfr4.patch
+++ b/apron-mpfr4.patch
@@ -1,5 +1,5 @@
---- japron/gmp/gmp_Mpfr.c.orig	2013-07-05 16:16:16.000000000 -0600
-+++ japron/gmp/gmp_Mpfr.c	2019-07-17 16:02:33.642733801 -0600
+--- japron/gmp/gmp_Mpfr.c.orig	2019-11-10 07:33:31.000000000 -0700
++++ japron/gmp/gmp_Mpfr.c	2020-01-17 09:08:16.852531901 -0700
 @@ -824,10 +824,23 @@ JNIEXPORT jint JNICALL Java_gmp_Mpfr_cbr
  JNIEXPORT jint JNICALL Java_gmp_Mpfr_root
    (JNIEnv *env, jobject o1, jobject o2, jint i, jint p)
@@ -24,73 +24,3 @@
  }
  
  /*
---- num/numflt_mpfr.h.orig	2015-12-11 02:59:58.000000000 -0700
-+++ num/numflt_mpfr.h	2019-07-17 16:04:45.307464218 -0600
-@@ -123,8 +123,18 @@ static inline void numflt_root(numflt_t
- {
-   assert(n > 0);
-   assert((n & 1) || (mpfr_sgn(b) >= 0));
-+#if MPFR_VERSION_MAJOR >= 4
-+  if (mpfr_zero_p(b)) {
-+    mpfr_set_zero(up, mpfr_sgn(b));
-+    mpfr_set_zero(down, mpfr_sgn(b));
-+  } else {
-+    mpfr_rootn_ui(up, b, n, GMP_RNDU);
-+    mpfr_rootn_ui(down, b, n, GMP_RNDD);
-+  }
-+#else
-   mpfr_root(up, b, n, GMP_RNDU);
-   mpfr_root(down, b, n, GMP_RNDD);
-+#endif
- }
- static inline void numflt_mul_2exp(numflt_t a, numflt_t b, int c)
- { mpfr_mul_2si(a,b,c,GMP_RNDU); }
---- num/numflt_native.h.orig	2015-05-18 08:17:02.000000000 -0600
-+++ num/numflt_native.h	2019-07-17 16:04:02.792197087 -0600
-@@ -188,18 +188,46 @@ static inline void numflt_root(numflt_t
- #if defined(NUMFLT_DOUBLE)
-   mpfr_init_set_d(arg, *b, GMP_RNDU);
-   mpfr_init(res);
-+#if MPFR_VERSION_MAJOR >= 4
-+  if (mpfr_zero_p(arg))
-+    mpfr_set_zero(res, mpfr_sgn(arg));
-+  else
-+    mpfr_rootn_ui(res, arg, n, GMP_RNDU);
-+#else
-   mpfr_root(res, arg, n, GMP_RNDU);
-+#endif
-   *up = mpfr_get_d(res, GMP_RNDU);
-   mpfr_set_d(arg, *b, GMP_RNDD);
-+#if MPFR_VERSION_MAJOR >= 4
-+  if (mpfr_zero_p(arg))
-+    mpfr_set_zero(res, mpfr_sgn(arg));
-+  else
-+    mpfr_rootn_ui(res, arg, n, GMP_RNDD);
-+#else
-   mpfr_root(res, arg, n, GMP_RNDD);
-+#endif
-   *down = mpfr_get_d(res, GMP_RNDD);
- #else
-   mpfr_init_set_ld(arg, *b, GMP_RNDU);
-   mpfr_init(res);
-+#if MPFR_VERSION_MAJOR >= 4
-+  if (mpfr_zero_p(arg))
-+    mpfr_set_zero(res, mpfr_sgn(arg));
-+  else
-+    mpfr_rootn_ui(res, arg, n, GMP_RNDU);
-+#else
-   mpfr_root(res, arg, n, GMP_RNDU);
-+#endif
-   *up = mpfr_get_ld(res, GMP_RNDU);
-   mpfr_set_ld(arg, *b, GMP_RNDD);
-+#if MPFR_VERSION_MAJOR >= 4
-+  if (mpfr_zero_p(arg))
-+    mpfr_set_zero(res, mpfr_sgn(arg));
-+  else
-+    mpfr_rootn_ui(res, arg, n, GMP_RNDD);
-+#else
-   mpfr_root(res, arg, n, GMP_RNDD);
-+#endif
-   *down = mpfr_get_ld(res, GMP_RNDD);
- #endif
-   mpfr_clear(arg);
diff --git a/apron-texinfo.patch b/apron-texinfo.patch
index c6366c2..e05b7e6 100644
--- a/apron-texinfo.patch
+++ b/apron-texinfo.patch
@@ -1,16 +1,6 @@
---- apron/apron.texi.orig	2015-09-21 13:23:19.000000000 -0600
-+++ apron/apron.texi	2016-01-27 20:16:48.938507952 -0700
-@@ -16,7 +16,9 @@
- 
- @c Please read the COPYING file packaged in the distribution
- 
-+@ifnottex
- @setcontentsaftertitlepage
-+@end ifnottex
- 
- @tex
- \global\parskip=0.5ex
-@@ -69,6 +71,7 @@ numerical variables.
+--- apron/apron.texi.orig	2019-11-10 07:33:31.000000000 -0700
++++ apron/apron.texi	2020-01-17 09:04:07.152719196 -0700
+@@ -67,6 +67,7 @@ numerical variables.
  @contents
  @end ifnothtml
  
@@ -18,7 +8,7 @@
  @menu
  * Copying::
  * Introduction to APRON::
-@@ -82,6 +85,7 @@ numerical variables.
+@@ -80,6 +81,7 @@ numerical variables.
  * Examples::
  * Appendices::
  @end menu
@@ -26,7 +16,7 @@
  
  @c *******************************************************************
  @node Copying, Introduction to APRON, Top, Top
-@@ -2472,7 +2476,8 @@ Polynomial fraction with possibly interv
+@@ -2470,7 +2472,8 @@ Polynomial fraction with possibly interv
  @end deftypefun
  
  @deftypefun bool ap_texpr1_is_scalar (ap_texpr1_t* @var{e})
@@ -36,9 +26,9 @@
  
  @c -------------------------------------------------------------------
  @node Operations on tree expressions of level 1,  , Tests on tree expressions of level 1, Tree expressions of level 1
---- apron/Makefile.orig	2016-01-25 10:41:11.000000000 -0700
-+++ apron/Makefile	2016-01-27 20:11:18.016455265 -0700
-@@ -103,15 +103,15 @@ newpolka.texi: ../newpolka/newpolka.texi
+--- apron/Makefile.orig	2019-11-10 07:33:31.000000000 -0700
++++ apron/Makefile	2020-01-17 09:04:07.152719196 -0700
+@@ -106,15 +106,15 @@ newpolka.texi: ../newpolka/newpolka.texi
  box.texi: ../box/box.texi
  	ln -sf $< $@
  
@@ -57,10 +47,10 @@
  	cp -f ../octagons/oct_doc.html html
  
  #---------------------------------------
---- configure.orig	2016-01-25 10:42:37.000000000 -0700
-+++ configure	2016-01-27 20:11:41.782530893 -0700
-@@ -599,8 +599,7 @@ OCAMLFIND = $ocamlfind
- LATEX = latex
+--- configure.orig	2019-11-10 07:33:31.000000000 -0700
++++ configure	2020-01-17 09:04:07.152719196 -0700
+@@ -621,8 +621,7 @@ LATEX = latex
+ PDFLATEX = pdflatex
  DVIPDF = dvipdf
  MAKEINDEX = makeindex
 -TEXI2DVI = texi2dvi
@@ -69,10 +59,10 @@
  
  # OSX only:
  ABSOLUTE_DYLIB_INSTALL_NAMES = $absolute_dylib_install_names
---- Makefile.config.model.orig	2015-08-20 07:27:35.000000000 -0600
-+++ Makefile.config.model	2016-01-27 20:11:30.047481096 -0700
-@@ -177,7 +177,6 @@ CAMLIDL = camlidl
- LATEX=latex
+--- Makefile.config.model.orig	2019-11-10 07:33:31.000000000 -0700
++++ Makefile.config.model	2020-01-17 09:04:07.153719179 -0700
+@@ -178,7 +178,6 @@ LATEX=latex
+ PDFLATEX=pdflatex
  DVIPDF=dvipdf
  MAKEINDEX=makeindex
 -TEXI2DVI=texi2dvi
@@ -80,23 +70,3 @@
 +TEXI2ANY=texi2any
  
  OCAMLPACK = $(shell dirname $(realpath $(lastword $(MAKEFILE_LIST))))/ocamlpack
---- mlapronidl/Makefile.orig	2016-01-25 10:41:11.000000000 -0700
-+++ mlapronidl/Makefile	2016-01-27 21:47:15.529162480 -0700
-@@ -156,7 +156,7 @@ apron_ocamldoc.mli: introduction.odoc $(
- mlapronidl.pdf: mlapronidl.dvi
- 	$(DVIPDF) mlapronidl.dvi
- 
--mlapronidl.dvi: mlapronidl.tex introduction.mli $(MLMODULES:%=%.mli) ../box/box.mli ../octagons/oct.mli ../newpolka/polka.mli ../ppl/ppl.mli  ../products/polkaGrid.mli $(MLGMPIDL_LIB)/mpz.mli $(MLGMPIDL_LIB)/mpq.mli $(MLGMPIDL_LIB)/gmp_random.mli $(MLGMPIDL_LIB)/mpf.mli $(MLGMPIDL_LIB)/mpfr.mli $(MLGMPIDL_LIB)/mpzf.mli $(MLGMPIDL_LIB)/mpqf.mli $(MLGMPIDL_LIB)/mpfrf.mli
-+mlapronidl.dvi: mlapronidl.tex introduction.mli $(MLMODULES:%=%.mli) ../box/box.mli ../octagons/oct.mli ../newpolka/polka.mli ../ppl/ppl.mli  ../products/polkaGrid.mli
- 	$(OCAMLDOC) $(OCAMLINC) -I ../newpolka -I ../ppl \
- 	-latextitle 1,chapter -latextitle 2,section -latextitle 3,subsection -latextitle 4,subsubsection -latextitle 5,paragraph -latextitle 6,subparagraph -noheader -notrailer -latex -sepfiles introduction.mli $(MLMODULES:%=%.mli) ../box/box.mli ../octagons/oct.mli ../newpolka/polka.mli ../ppl/ppl.mli ../products/polkaGrid.mli $(MLGMPIDL_LIB)/mpz.mli $(MLGMPIDL_LIB)/mpq.mli $(MLGMPIDL_LIB)/gmp_random.mli $(MLGMPIDL_LIB)/mpf.mli $(MLGMPIDL_LIB)/mpfr.mli $(MLGMPIDL_LIB)/mpzf.mli $(MLGMPIDL_LIB)/mpqf.mli $(MLGMPIDL_LIB)/mpfrf.mli
- 	$(LATEX) mlapronidl
-@@ -164,7 +164,7 @@ mlapronidl.dvi: mlapronidl.tex introduct
- 	$(LATEX) mlapronidl
- 	$(LATEX) mlapronidl
- 
--html: mlapronidl.odoc introduction.mli $(IDLMODULES:%=%.mli) parser.mli $(MLMODULES:%=%.mli) ../box/box.mli ../octagons/oct.mli ../newpolka/polka.mli ../ppl/ppl.mli ../products/polkaGrid.mli $(MLGMPIDL_LIB)/mpz.mli $(MLGMPIDL_LIB)/mpq.mli $(MLGMPIDL_LIB)/gmp_random.mli $(MLGMPIDL_LIB)/mpf.mli $(MLGMPIDL_LIB)/mpfr.mli $(MLGMPIDL_LIB)/mpzf.mli $(MLGMPIDL_LIB)/mpqf.mli $(MLGMPIDL_LIB)/mpfrf.mli
-+html: mlapronidl.odoc introduction.mli $(IDLMODULES:%=%.mli) parser.mli $(MLMODULES:%=%.mli) ../box/box.mli ../octagons/oct.mli ../newpolka/polka.mli ../ppl/ppl.mli ../products/polkaGrid.mli
- 	mkdir -p html
- 	$(OCAMLDOC) $(OCAMLINC)  -I ../newpolka -I ../ppl \
- -html -d html -colorize-code -intro mlapronidl.odoc introduction.mli $(IDLMODULES:%=%.mli) parser.mli ../box/box.mli ../octagons/oct.mli ../newpolka/polka.mli ../ppl/ppl.mli ../products/polkaGrid.mli $(MLGMPIDL_LIB)/mpz.mli $(MLGMPIDL_LIB)/mpq.mli $(MLGMPIDL_LIB)/gmp_random.mli $(MLGMPIDL_LIB)/mpf.mli $(MLGMPIDL_LIB)/mpfr.mli $(MLGMPIDL_LIB)/mpzf.mli $(MLGMPIDL_LIB)/mpqf.mli $(MLGMPIDL_LIB)/mpfrf.mli
diff --git a/apron.rpmlintrc b/apron.rpmlintrc
new file mode 100644
index 0000000..a94a1c2
--- /dev/null
+++ b/apron.rpmlintrc
@@ -0,0 +1,11 @@
+# THIS FILE IS FOR WHITELISTING RPMLINT ERRORS AND WARNINGS IN TASKOTRON
+# https://fedoraproject.org/wiki/Taskotron/Tasks/dist.rpmlint#Whitelisting_errors
+
+# The dictionary is missing some technical terms
+addFilter(r'W: spelling-error .* invariants')
+
+# We use whatever version of jquery doxygen gives us
+addFilter(r'W: unversioned-explicit-provides bundled\(jquery\)')
+
+# The configure script is not an autotools-generated script
+addFilter(r'apron\.spec:[^:]*: W: configure-without-libdir-spec')
diff --git a/apron.spec b/apron.spec
index 9c7e374..957070f 100644
--- a/apron.spec
+++ b/apron.spec
@@ -1,23 +1,14 @@
-%global opt     %(test -x %{_bindir}/ocamlopt && echo 1 || echo 0)
-%global svndate 20180624
-%global svnrev  1104
-
 Name:           apron
-Version:        0.9.11
-Release:        33.%{svnrev}.svn%{svndate}%{?dist}
+Version:        0.9.12
+Release:        1%{?dist}
 Summary:        Numerical abstract domain library
 
 # The entire package is LGPLv2+ except newpolka/mf_qsort.c and ppl/*, all of
 # which are GPLv2+.  This means that libpolkaMPQ.so.*, libpolkaRll.so.*, and
 # libap_ppl.so.* are GPLv2+, and the other libraries are all LGPLv2+.
 License:        LGPLv2+ and GPLv2+
-URL:            http://apron.cri.ensmp.fr/library/
-# Upstream has given up on making releases, so we pull from subversion now.
-# Create the source tarball as follows:
-# svn export -r %%{svnrev} svn://scm.gforge.inria.fr/svnroot/apron/apron/trunk \
-#     apron-%%{version}
-# tar cJf apron-%%{version}.tar apron-%%{version}
-Source0:        %{name}-%{version}.tar.xz
+URL:            https://antoinemine.github.io/Apron/doc/
+Source0:        https://github.com/antoinemine/%{name}/archive/v%{version}/%{name}-%{version}.tar.gz
 # This patch has not been sent upstream as it is GCC-specific.  Certain
 # symbols are defined in both libpolkaMPQ and libpolkaRll, with different
 # implementations.  This patch makes references to those symbols in
@@ -32,6 +23,7 @@ Patch2:         %{name}-mpfr4.patch
 BuildRequires:  doxygen-latex
 BuildRequires:  gcc-c++
 BuildRequires:  ghostscript-tools-dvipdf
+BuildRequires:  java-devel
 BuildRequires:  javapackages-local
 BuildRequires:  mpfr-devel
 BuildRequires:  ppl-devel
@@ -104,7 +96,7 @@ Java interface to the APRON library.
 %autosetup -p0
 
 # Fix library path for 64-bit installs
-if [ "%{_libdir}" = "%{_prefix}/lib64" ]; then
+if [ "%{_lib}" = "lib64" ]; then
   sed -i 's,\${apron_prefix}/lib,&64,' configure
   sed -i 's,/lib,&64,' vars.mk
 fi
@@ -121,28 +113,36 @@ iconv -f iso8859-1 -t utf-8 Changes > Changes.utf8
 touch -r Changes Changes.utf8
 mv -f Changes.utf8 Changes
 
-# Preserve timestamps
+# Preserve timestamps when copying
 sed -i 's/^\([[:blank:]]*cp[[:blank:]]\)/\1-p /' Makefile */Makefile
 
+# Do not change -O2 to -O3
+sed -i 's/-O3/-O2/' configure Makefile.config.model
+
+# Link the OCaml objects with our LDFLAGS
+sed -e "s|\$(OCAMLMKLIB) -L.*|& -g -ldopt '$RPM_LD_FLAGS'|" \
+    -e "/CMXS/s|-linkall|-cclib '$RPM_LD_FLAGS' &|" \
+    -i vars.mk
+
 %build
 # This is NOT an autoconf-generated script.  Do not use %%configure
-CPPFLAGS="-D_GNU_SOURCE" \
-CFLAGS="%{optflags} -fsigned-char" \
-CXXFLAGS="%{optflags} -fsigned-char" \
-LDFLAGS="-Wl,--as-needed $RPM_LD_FLAGS" \
-java_home="%{_jvmdir}/java" \
+export CPPFLAGS="-D_GNU_SOURCE"
+export CFLAGS="%{optflags} -fsigned-char"
+export CXXFLAGS="%{optflags} -fsigned-char"
+export LDFLAGS="$RPM_LD_FLAGS"
+export JAVA_HOME="%{_jvmdir}/java"
+export JAVA_TOOL_OPTIONS="-Dfile.encoding=UTF8"
 ./configure -prefix %{_prefix} -java-prefix %{_jvmdir}/java
 
 # Put back a flag that the configure script strips out
 sed -i 's/-Wp,-D_FORTIFY_SOURCE=2/-Werror=format-security &/' Makefile.config
 
-# Building with JNI requires two include paths; configure only gives us one
-sed -i 's,^JNIINC.*,& -I%{_jvmdir}/java/include/linux,' Makefile.config
-
-# FIXME: Cannot use %%{?_smp_mflags} due to missing Makefile dependencies
-make
+%make_build
 make doc
 
+# for some reason this is no longer built in `make doc`
+make -C mlapronidl mlapronidl.pdf
+
 %install
 # Install the ocaml bits into the buildroot
 sed -i 's, install ,&-destdir %{buildroot}%{_libdir}/ocaml -ldconf ignore ,' \
@@ -193,16 +193,15 @@ make -C test APRON_INCLUDE=%{buildroot}%{_includedir}/%{name} \
   CAMLIDL_PREFIX=%{buildroot}%{_libdir}
 test/ctest1
 
-%ldconfig_scriptlets
-
 %files
-%doc AUTHORS Changes README apron/apron.pdf
+%doc AUTHORS Changes README.md apron/apron.pdf
 %license COPYING
-%{_libdir}/*.so.*
+%{_libdir}/lib*.so.0
+%{_libdir}/lib*.so.0.*
 
 %files devel
 %doc doc/apron doc/apronxx
-%{_libdir}/*.so
+%{_libdir}/lib*.so
 %{_includedir}/%{name}/
 
 %files -n ocaml-%{name}
@@ -216,7 +215,7 @@ test/ctest1
 
 %files -n ocaml-%{name}-devel
 %doc mlapronidl/html/*
-%if %opt
+%ifarch %{ocaml_native_compiler}
 %{_libdir}/ocaml/%{name}/*.a
 %{_libdir}/ocaml/%{name}/*.cmxa
 %{_libdir}/ocaml/%{name}/*.cmx
@@ -232,6 +231,9 @@ test/ctest1
 %{_jnidir}/*.so
 
 %changelog
+* Wed Jan 22 2020 Dan Čermák <dan.cermak@cgc-instruments.com> - 0.9.12-1
+- New upstream release 0.9.12
+
 * Sun Jan 19 2020 Richard W.M. Jones <rjones@redhat.com> - 0.9.11-33.1104.svn20180624
 - OCaml 4.10.0+beta1 rebuild.
 
diff --git a/sources b/sources
index 9bf835b..1fb9d94 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (apron-0.9.11.tar.xz) = f6b5332935b9ef4621328d69223bd41d08c5c440e2b228e6fbcf8cffd4b1c488ab9bee9f5cfc9b5b202a9a6340257e1f3b52e29f22e06c90f40081f1b27726c5
+SHA512 (apron-0.9.12.tar.gz) = c5c8c05f7bf04ecd2fb71c023a7a2537a366fcc68286f8319481b8274aa9c4bbd1883113ce10e5073232357cf0bbeb433e51339d504d14d656eccede98459742