diff --git a/gt-0.4-glibc-2.36.patch b/gt-0.4-glibc-2.36.patch
new file mode 100644
index 0000000..9e547d6
--- /dev/null
+++ b/gt-0.4-glibc-2.36.patch
@@ -0,0 +1,10 @@
+--- gt-0.4/src/playmidi.c.orig	2022-08-20 14:21:43.842992492 +0200
++++ gt-0.4/src/playmidi.c	2022-08-20 14:21:36.543082327 +0200
+@@ -3140,7 +3140,6 @@
+ static unsigned xxmp_epoch = 0;
+ static unsigned time_expired = 0;
+ static unsigned last_time_expired = 0;
+-extern int gettimeofday (struct timeval *, struct timezone *);
+ static struct timeval tv;
+ static struct timezone tz;
+ static void
diff --git a/gt.spec b/gt.spec
index f09a1df..86f667e 100644
--- a/gt.spec
+++ b/gt.spec
@@ -1,12 +1,12 @@
 Name:          gt
 Version:       0.4
-Release:       1mamba
+Release:       2mamba
 Summary:       Modified Timidity which supportes enhanced gus format patches
 Group:         Applications/Multimedia
 Vendor:        openmamba
 Distribution:  openmamba
-Packager:      gil <puntogil@libero.it>
-URL:           http://alsa.opensrc.org/index.php/GusSoundfont
+Packager:      Silvan Calarco <silvan.calarco@mambasoft.it>
+URL:           https://alsa.opensrc.org/index.php/GusSoundfont
 Source:        ftp://ling.lll.hawaii.edu/pub/greg/gt-%{version}.tar.gz
 License:       GPL
 Patch0:        gt-0.4-noac3.patch
@@ -16,13 +16,13 @@ Patch3:        gt-0.4-config-default-velocity-layer.patch
 Patch4:        gt-0.4-ppc-compile-fix.patch
 Patch5:        gt-0.4-unsf-bigendian-fix.patch
 Patch6:        gt-0.4-unsf-tremolo.patch
+Patch7:        gt-0.4-glibc-2.36.patch
 ## AUTOBUILDREQ-BEGIN
 BuildRequires: glibc-devel
 BuildRequires: libalsa-devel
 BuildRequires: libncurses-devel
 BuildRequires: libvorbis-devel
 ## AUTOBUILDREQ-END
-BuildRoot:     %{_tmppath}/%{name}-%{version}-root
 
 %description
 Modified timidity midi player which supportes enhanced gus format patches and
@@ -37,7 +37,6 @@ Utilities for converting from / to various soundfont formats and a midi file
 disassembler.
 
 %prep
-
 %setup -q
 %patch0 -p1
 %patch1 -p1
@@ -46,6 +45,7 @@ disassembler.
 #%patch4 -p1
 %patch5 -p1
 %patch6 -p1
+%patch7 -p1
 cp -p src/README README.timidity
 
 # NON FREE
@@ -73,8 +73,8 @@ touch -r utils/midifile.c %{buildroot}%{_mandir}/man1/midi-disasm.1
 %files
 %defattr(-,root,root)
 %{_bindir}/gt
-%{_mandir}/man1/gt.1.gz
-%doc AUTHORS COPYING ChangeLog FEATURES NEWS README* 
+%{_mandir}/man1/gt.1*
+%doc AUTHORS COPYING
 
 %files -n soundfont-utils
 %defattr(-,root,root)
@@ -85,13 +85,16 @@ touch -r utils/midifile.c %{buildroot}%{_mandir}/man1/midi-disasm.1
 %{_bindir}/sfz2pat
 %{_bindir}/unsf
 %{_bindir}/wav2pat
-%{_mandir}/man1/midi-disasm.1.gz
-%{_mandir}/man1/patcat.1.gz
-%{_mandir}/man1/sf2cfg.1.gz
-%{_mandir}/man1/sfz2pat.1.gz
-%{_mandir}/man1/unsf.1.gz
-%doc utils/README* utils/GUSSF2-SPEC
+%{_mandir}/man1/midi-disasm.1*
+%{_mandir}/man1/patcat.1*
+%{_mandir}/man1/sf2cfg.1*
+%{_mandir}/man1/sfz2pat.1*
+%{_mandir}/man1/unsf.1*
+%doc AUTHORS COPYING
 
 %changelog
+* Sat Aug 20 2022 Silvan Calarco <silvan.calarco@mambasoft.it> 0.4-2mamba
+- rebuilt for x86_64
+
 * Thu Jul 08 2010 gil <puntogil@libero.it> 0.4-1mamba
 - package created by autospec