diff --git a/openmsx.spec b/openmsx.spec
index b98d9ad..0feb79a 100644
--- a/openmsx.spec
+++ b/openmsx.spec
@@ -1,60 +1,59 @@
+%define gitver %(echo %version | tr . _)
 Name:          openmsx
-Version:       0.11.0
+Version:       19.1
 Release:       1mamba
 Summary:       An emulator for the MSX home computer system
 Group:         Applications/Emulators
 Vendor:        openmamba
 Distribution:  openmamba
 Packager:      Silvan Calarco <silvan.calarco@mambasoft.it>
-URL:           http://openmsx.sourceforge.net/
-Source:        http://downloads.sourceforge.net/project/openmsx/openmsx/%{version}/openmsx-%{version}.tar.gz
+URL:           http://openmsx.org/
+Source:        https://github.com/openMSX/openMSX.git/RELEASE_%{gitver}/openMSX-%{version}.tar.bz2
 License:       GPL
 ## AUTOBUILDREQ-BEGIN
 BuildRequires: glibc-devel
-BuildRequires: libao-devel
+BuildRequires: libSDL2-devel
+BuildRequires: libalsa-devel
 BuildRequires: libgcc
-BuildRequires: libGL-devel
 BuildRequires: libglew-devel
+BuildRequires: libglvnd-devel
 BuildRequires: libogg-devel
 BuildRequires: libpng-devel
-BuildRequires: libSDL-devel
-BuildRequires: libSDL_ttf-devel
+BuildRequires: libsdl2_ttf-devel
 BuildRequires: libstdc++6-devel
 BuildRequires: libtcl-devel
 BuildRequires: libtheora-devel
 BuildRequires: libvorbis-devel
-BuildRequires: libxml2-devel
 BuildRequires: libz-devel
 ## AUTOBUILDREQ-END
-BuildRoot:     %{_tmppath}/%{name}-%{version}-root
 
 %description
 openMSX is an emulator for the MSX home computer system. Its goal is to emulate all aspects of the MSX with 100% accuracy: perfection in emulation.
 
-## remove the following two blocks if there's no devel files
-%package devel
-Group:         Development/Libraries
-Summary:       Development files for %{name}
-Requires:      %{name} = %{?epoch:%epoch:}%{version}-%{release}
-
-%description devel
-This package contains libraries and header files for developing applications that use %{name}.
-
-%debug_package
+#% debug_package
 
 %prep
-%setup -q
+%setup -q -n openMSX-%{version}
+sed -i 's@SYMLINK_FOR_BINARY:=true@SYMLINK_FOR_BINARY:=false@' build/custom.mk
+sed -i 's@INSTALL_BASE:=/opt/openMSX@INSTALL_BASE:=%{_datadir}/openmsx@' build/custom.mk
+echo 'INSTALL_DOC_DIR:=%{_docdir}/openmsx' >> build/custom.mk
+echo 'INSTALL_SHARE_DIR:=%{_datadir}/openmsx' >> build/custom.mk
+echo 'INSTALL_BINARY_DIR:=%{_bindir}' >> build/custom.mk
 
 %build
-%configure
+./configure
 %make
 
+# 19.1: meson build seems broken
+# %meson
+#% meson_build
+
 %install
 [ "%{buildroot}" != / ] && rm -rf "%{buildroot}"
 %makeinstall
 
-install -d -m0755 %{buildroot}%{_bindir}
-ln -sf /opt/openMSX/bin/openmsx %{buildroot}%{_bindir}/openmsx
+#install -d -m0755 %{buildroot}%{_bindir}
+#ln -sf /opt/openMSX/bin/openmsx %{buildroot}%{_bindir}/openmsx
 
 %clean
 [ "%{buildroot}" != / ] && rm -rf "%{buildroot}"
@@ -62,14 +61,15 @@ ln -sf /opt/openMSX/bin/openmsx %{buildroot}%{_bindir}/openmsx
 %files
 %defattr(-,root,root)
 %{_bindir}/openmsx
-/opt/openMSX/bin/openmsx
-%dir /opt/openMSX
-%dir /opt/openMSX/doc
-/opt/openMSX/doc/*
-%dir /opt/openMSX/share
-/opt/openMSX/share/*
+%dir %{_datadir}/openmsx
+%{_datadir}/openmsx/*
+%dir %{_docdir}/openmsx
+%{_docdir}/openmsx/*
 
 %changelog
+* Thu Aug 31 2023 Silvan Calarco <silvan.calarco@mambasoft.it> 19.1-1mamba
+- update to 19.1
+
 * Sat Dec 06 2014 Automatic Build System <autodist@mambasoft.it> 0.11.0-1mamba
 - automatic update by autodist