libsemigroups 3.4.0

libsemigroups.changes

@@ -1,3 +1,25 @@
+-------------------------------------------------------------------
+Sat Jan 17 14:55:06 UTC 2026 - Jan Engelhardt <jengelh@inai.de>
+
+- Update to release 3.4.0
+  * Deprecate `report_every`
+  * Implement `to<WordGraph>`
+  * Fix behavior of `recursive_path_compare` for empty strings
+
+-------------------------------------------------------------------
+Thu Oct  2 09:11:32 UTC 2025 - Jan Engelhardt <jengelh@inai.de>
+
+- Update to release 3.2.0
+  * Balance presentation
+  * `is_obviously_infinite(Kambites)` respects generating pairs
+  * Check `is_obviously_infinite` before running in
+    `Congruence::number_of_classes`
+  * Bipartition benchmarks
+  * Add an option to compile with external backward
+  * Improve reporting for Todd-Coxeter
+  * todd-coxeter: fix bug in `reduce`
+  * word-graph: improve standardization performance
+
 -------------------------------------------------------------------
 Wed Aug 13 00:32:27 UTC 2025 - Jan Engelhardt <jengelh@inai.de>
 

libsemigroups.spec

@@ -1,7 +1,7 @@
 #
 # spec file for package libsemigroups
 #
-# Copyright (c) 2025 SUSE LLC
+# Copyright (c) 2026 SUSE LLC and contributors
 #
 # All modifications and additions to the file contributed by third parties
 # remain the property of their copyright owners, unless otherwise agreed
@@ -18,7 +18,7 @@
 
 Name:           libsemigroups
 %define lname	libsemigroups3
-Version:        3.1.3
+Version:        3.4.0
 Release:        0
 Summary:        Library with algorithms for computing finite and finitely presented semigroups
 License:        GPL-3.0-or-later
@@ -27,6 +27,7 @@ URL:            https://github.com/libsemigroups/libsemigroups
 #Source:         https://github.com/libsemigroups/libsemigroups/releases/download/v%version/%name-%version.tar.gz
 Source:         https://github.com/libsemigroups/libsemigroups/archive/refs/tags/v%version.tar.gz
 BuildRequires:  automake
+BuildRequires:  backward-cpp-devel
 BuildRequires:  gcc-c++
 BuildRequires:  libtool
 BuildRequires:  pkgconfig(eigen3)
@@ -64,13 +65,15 @@ This subpackage provides the development headers for it.
 
 %prep
 %autosetup -p1
+rm -Rf third_party/backward-cpp
 
 %build
 autoreconf -fi
 # hpcombi requires AVX-256, which is not guaranteed to exist everywhere
 %configure --disable-static --disable-hpcombi \
 	--enable-eigen --with-external-eigen \
-	--enable-fmt --with-external-fmt
+	--enable-fmt --with-external-fmt \
+	--with-external-backward
 %make_build
 
 %install