diff --git a/.gitignore b/.gitignore
index a86439d..a05bce2 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1,2 @@
 zvbi-0.2.33.tar.bz2
+/zvbi-0.2.42.tar.gz
diff --git a/sources b/sources
index c88e027..5d9c577 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-95e53eb208c65ba6667fd4341455fa27  zvbi-0.2.35.tar.bz2
+SHA512 (zvbi-0.2.42.tar.gz) = 65ebbab09d0180f62c2016fe3462786a6f89d0ee414f9983d1a89582bff0c17e58fcb8f45690add0314bd3b7d2de86f82e97fd49c93842e0a4f294b2b5508687
diff --git a/zvbi-0.2.42-fix_sincos_declaration.patch b/zvbi-0.2.42-fix_sincos_declaration.patch
new file mode 100644
index 0000000..be243e2
--- /dev/null
+++ b/zvbi-0.2.42-fix_sincos_declaration.patch
@@ -0,0 +1,51 @@
+From 429cf9337588d6e028bd1dc4633953b4eff09597 Mon Sep 17 00:00:00 2001
+From: Ileana Dumitrescu <ileanadumitrescu95@gmail.com>
+Date: Wed, 13 Mar 2024 17:42:18 +0200
+Subject: [PATCH] configure.ac: Move sincos function check to AC_CHECK_FUNCS
+
+---
+ configure.ac | 24 +-----------------------
+ 1 file changed, 1 insertion(+), 23 deletions(-)
+
+diff --git a/configure.ac b/configure.ac
+index ba6f385..476fd69 100644
+--- a/configure.ac
++++ b/configure.ac
+@@ -89,7 +89,7 @@ AC_CHECK_FUNCS([alarm dup2 gethostbyaddr gethostbyname getopt_long gettimeofday
+ 		inet_ntoa localtime_r memmove memset mkdir modf munmap
+ 		nl_langinfo putenv select setenv setlocale socket strcasecmp
+ 		strchr strdup strerror strncasecmp strndup strrchr strstr
+-		strtol strtoul tzset strptime getaddrinfo])
++		strtol strtoul tzset strptime getaddrinfo sincos])
+ 
+ AM_CONDITIONAL(HAVE_STRPTIME, [test "x$HAVE_STRPTIME" = xyes])
+ 
+@@ -112,28 +112,6 @@ dnl autoconf 2.71 required additional quotations and usages of "AC_LANG_SOURCE".
+ dnl "Noteworthy changes in autoconf version 2.66 through 2.68"
+ dnl <https://autotools.info/forwardporting/autoconf.html>
+ 
+-dnl sincos() is a GNU extension (a macro, not a function).
+-dnl If not present we use a replacement.
+-AC_MSG_CHECKING([for sincos])
+-AC_LINK_IFELSE([AC_LANG_SOURCE([
+-#include <stdio.h>
+-#include <math.h>
+-int main (void) {
+-double s, c;
+-/* Make sure the compiler does not optimize sincos() away
+-   so the linker can confirm its availability. */
+-scanf ("%f", &s);
+-sincos (s, &s, &c);
+-printf ("%f %f", s, c);
+-return 0;
+-}
+-])],[
+-  AC_MSG_RESULT([yes])
+-  AC_DEFINE(HAVE_SINCOS, 1, [Define if the sincos() function is available])
+-],[
+-  AC_MSG_RESULT([no])
+-])
+-
+ dnl log2() is a GNU extension (a macro, not a function).
+ dnl If not present we use a replacement.
+ AC_MSG_CHECKING([for log2])
diff --git a/zvbi.spec b/zvbi.spec
index 813dfb1..ccc226d 100644
--- a/zvbi.spec
+++ b/zvbi.spec
@@ -2,25 +2,31 @@
 %define             catalogue %{_sysconfdir}/X11/fontpath.d
 
 Name:               zvbi
-Version:            0.2.35
-Release:            23%{?dist}
+Version:            0.2.42
+Release:            1%{?dist}
 Summary:            Raw VBI, Teletext and Closed Caption decoding library
 License:            GPL-2.0-or-later AND LGPL-2.0-or-later AND LGPL-2.1-or-later AND BSD-2-Clause AND MIT
-URL:                http://zapping.sourceforge.net/ZVBI/index.html
-Source0:            http://downloads.sourceforge.net/zapping/%{name}-%{version}.tar.bz2
+URL:                https://github.com/zapping-vbi/zvbi
+Source0:            https://github.com/zapping-vbi/zvbi/archive/v%{version}/%{name}-%{version}.tar.gz
 Patch0:             %{name}-0.2.24-tvfonts.patch
 Patch1:             %{name}-0.2.25-openfix.patch
+# slightly adapted from https://github.com/zapping-vbi/zvbi/commit/ae74ae513714f81b9b8abdb12e1b235d16fad74e.patch
+Patch2:             zvbi-0.2.42-fix_sincos_declaration.patch
 
-BuildRequires:      make
-BuildRequires:      gcc-c++
+BuildRequires:      autoconf
+BuildRequires:      automake
+BuildRequires:      bdftopcf
 BuildRequires:      doxygen
 BuildRequires:      fontconfig
-BuildRequires:      gettext >= 0.16.1
-BuildRequires:      libpng-devel
+BuildRequires:      gcc-c++
+BuildRequires:      gettext-devel
 BuildRequires:      libICE-devel
-BuildRequires:      bdftopcf
+BuildRequires:      libpng-devel
+BuildRequires:      libtool
+BuildRequires:      make
 BuildRequires:      mkfontdir
 BuildRequires:      systemd-units
+BuildRequires:      tzdata
 
 
 %description
@@ -43,7 +49,7 @@ Development files for zvbi
 
 %package fonts
 Summary:            Fonts from zvbi converted to X11
-BuildArch:	    noarch
+BuildArch:          noarch
 Obsoletes:          xawtv-tv-fonts < 3.95
 Provides:           xawtv-tv-fonts >= 3.95
 
@@ -55,9 +61,7 @@ Fonts from zvbi converted for use with X11
 %setup -q
 %patch -P 0 -p1
 %patch -P 1 -p1
-
-# Fix character encodings
-iconv -f iso8859-1 README -t utf8 > README.conv && /bin/mv -f README.conv README
+%patch -P 2 -p1
 
 # systemd service file
 cat >zvbid.service <<EOF
@@ -76,6 +80,7 @@ EOF
 
 
 %build
+./autogen.sh
 # Note: We don't do --enable-static=no because static libs are needed to build
 # x11font during compile time to convert zvbi fonts into x11 fonts. x11font
 # is thrown away and not installed as it's not useful for anything else
@@ -84,7 +89,7 @@ EOF
 sed -i 's|^hardcode_libdir_flag_spec=.*|hardcode_libdir_flag_spec=""|g' libtool
 sed -i 's|^runpath_var=LD_RUN_PATH|runpath_var=DIE_RPATH_DIE|g' libtool
 
-make %{?_smp_mflags}
+%make_build
 
 # Generate fonts, fonts.alias and fonts.dir
 pushd contrib
@@ -102,7 +107,7 @@ popd
 
 %install
 mkdir -p %{buildroot}%{fontdir}
-make install DESTDIR=%{buildroot}
+%make_install
 
 %find_lang %{name}
 
@@ -117,6 +122,13 @@ touch %{buildroot}%{fontdir}/fonts.cache-1
 mkdir -p %{buildroot}%{catalogue}
 ln -sf %{fontdir} %{buildroot}%{catalogue}/%{name}
 
+find %{buildroot}%{_libdir} -name '*.a' -delete
+
+
+%check
+cd test
+make check
+
 
 %post
 %systemd_post zvbid.service
@@ -131,14 +143,14 @@ ln -sf %{fontdir} %{buildroot}%{catalogue}/%{name}
 
 
 %files -f %{name}.lang
+%license COPYING.md
+%doc AUTHORS BUGS ChangeLog NEWS README.md TODO
 %{_bindir}/%{name}*
 %{_sbindir}/zvbid
 %{_unitdir}/zvbid.service
-%{_libdir}/*.so.*
-%{_mandir}/man1/*
-%exclude %{_libdir}/*.a
-%exclude %{_libdir}/*.la
-%doc AUTHORS BUGS ChangeLog COPYING COPYING.LIB NEWS README TODO
+%{_libdir}/libzvbi.so.0*
+%{_libdir}/libzvbi-chains.so.0*
+%{_mandir}/man1/zvbi*1*
 
 
 %files devel
@@ -157,6 +169,9 @@ ln -sf %{fontdir} %{buildroot}%{catalogue}/%{name}
 
 
 %changelog
+* Fri Sep 13 2024 Xavier Bachelot <xavier@bachelot.org> - 0.2.42-1
+- Update to 0.2.42
+
 * Sat Jul 20 2024 Fedora Release Engineering <releng@fedoraproject.org> - 0.2.35-23
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_41_Mass_Rebuild