--- /dev/null
+--- libtta-c-2.3/configure.ac.orig 2015-02-20 07:37:12.000000000 +0100
++++ libtta-c-2.3/configure.ac 2023-03-11 20:49:09.644458939 +0100
+@@ -6,10 +6,10 @@
+ AM_INIT_AUTOMAKE
+
+ # Initialize ranlib
+-AC_PROG_RANLIB
++AC_PROG_LIBTOOL
+
+ # Common compiler flags
+-CFLAGS="-Wall -O2 -funroll-loops -fomit-frame-pointer"
++CFLAGS="$CFLAGS -Wall"
+
+ # Determine CPU
+ AM_CONDITIONAL(CPU_X86, false)
+--- libtta-c-2.3/Makefile.am.orig 2015-02-20 07:16:38.000000000 +0100
++++ libtta-c-2.3/Makefile.am 2023-03-11 20:49:41.444286664 +0100
+@@ -1,13 +1,13 @@
+ AUTOMAKE_OPTIONS = no-dependencies foreign
+
+-lib_LIBRARIES = libtta.a
++lib_LTLIBRARIES = libtta.la
+
+-libtta_a_SOURCES = libtta.c libtta.h filter.h
++libtta_la_SOURCES = libtta.c libtta.h filter.h
+
+ if ENABLE_ASM
+ if CPU_ARM
+-EXTRA_libtta_a_SOURCES = filter_arm.S
+-libtta_a_LIBADD = filter_arm.o
++EXTRA_libtta_la_SOURCES = filter_arm.S
++libtta_la_LIBADD = filter_arm.o
+ endif
+ endif
+
+--- libtta-c-2.3/console/Makefile.am.orig 2015-02-20 07:21:27.000000000 +0100
++++ libtta-c-2.3/console/Makefile.am 2023-03-11 20:56:45.841987504 +0100
+@@ -4,6 +4,6 @@
+
+ tta_SOURCES = tta.c tta.h
+
+-tta_LDADD = $(top_builddir)/libtta.a
++tta_LDADD = $(top_builddir)/libtta.la
+
+ EXTRA_DIST = Makefile.mipsel console.sln console.vcxproj*
--- /dev/null
+#
+# Conditional build:
+%bcond_without static_libs # static library
+#
+Summary: The lossless True Audio codec ANSI-C library
+Summary(pl.UTF-8): Biblioteka C kodeka The lossless True Audio
+Name: libtta-c
+Version: 2.3
+Release: 1
+License: LGPL v3
+Group: Libraries
+Source0: https://downloads.sourceforge.net/tta/%{name}-%{version}.tar.gz
+# Source0-md5: fd0ff4806b2badfe933adf87efbfc3ae
+Patch0: %{name}-shared.patch
+URL: https://sourceforge.net/projects/tta/
+BuildRequires: autoconf >= 2.50
+BuildRequires: automake
+BuildRequires: libtool
+BuildRoot: %{tmpdir}/%{name}-%{version}-root-%(id -u -n)
+
+%description
+This package contains a full-futured codec library for realtime
+encoding and decoding of True Audio (TTA) files.
+
+%description -l pl.UTF-8
+Ten pakiet zawiera w pełni funkcjonalną bibliotekę kodeka do
+kodowania i dekodowania plików True Audio (TTA) w czasie rzeczywistym.
+
+%package devel
+Summary: Header files for TTA C library
+Summary(pl.UTF-8): Pliki nagłówkowe biblioteki C TTA
+Group: Development/Libraries
+Requires: %{name} = %{version}-%{release}
+
+%description devel
+Header files for TTA C library.
+
+%description devel -l pl.UTF-8
+Pliki nagłówkowe biblioteki C TTA.
+
+%package static
+Summary: Static TTA C library
+Summary(pl.UTF-8): Statyczna biblioteka C TTA
+Group: Development/Libraries
+Requires: %{name}-devel = %{version}-%{release}
+
+%description static
+Static TTA C library.
+
+%description static -l pl.UTF-8
+Statyczna biblioteka C TTA.
+
+%prep
+%setup -q
+%patch0 -p1
+
+%build
+%{__libtoolize}
+%{__aclocal}
+%{__autoconf}
+%{__autoheader}
+%{__automake}
+%configure \
+ %{!?with_static_libs:--disable-static}
+%{__make}
+
+%install
+rm -rf $RPM_BUILD_ROOT
+
+%{__make} install \
+ DESTDIR=$RPM_BUILD_ROOT
+
+install -Dp libtta.h $RPM_BUILD_ROOT%{_includedir}/libtta.h
+
+# no external dependencies
+%{__rm} $RPM_BUILD_ROOT%{_libdir}/libtta.la
+
+%clean
+rm -rf $RPM_BUILD_ROOT
+
+%post -p /sbin/ldconfig
+%postun -p /sbin/ldconfig
+
+%files
+%defattr(644,root,root,755)
+%doc README
+%attr(755,root,root) %{_bindir}/tta
+%attr(755,root,root) %{_libdir}/libtta.so.*.*.*
+%attr(755,root,root) %ghost %{_libdir}/libtta.so.0
+
+%files devel
+%defattr(644,root,root,755)
+%attr(755,root,root) %{_libdir}/libtta.so
+%{_includedir}/libtta.h
+
+%if %{with static_libs}
+%files static
+%defattr(644,root,root,755)
+%{_libdir}/libtta.a
+%endif