Switch to CMake to build SDL2 and always build JACK support

Upstream increasingly prefers CMake for building SDL, so switch to
that.

Additionally, let's always build JACK support since PipeWire in
RHEL 9 provides libjack.

SDL2.spec

@@ -1,12 +1,6 @@
-%if 0%{?rhel} >= 8
-%bcond_with jack
-%else
-%bcond_without jack
-%endif
-
 Name:           SDL2
 Version:        2.0.14
-Release:        3%{?dist}
+Release:        4%{?dist}
 Summary:        Cross-platform multimedia library
 
 License:        zlib and MIT
@@ -18,8 +12,10 @@ Patch0:         multilib.patch
 # ptrdiff_t is not the same as khronos defines on 32bit arches
 Patch1:         SDL2-2.0.9-khrplatform.patch
 
+BuildRequires:  cmake
 BuildRequires:  make
 BuildRequires:  gcc
+BuildRequires:  gcc-c++
 BuildRequires:  alsa-lib-devel
 BuildRequires:  mesa-libGL-devel
 BuildRequires:  mesa-libGLU-devel
@@ -38,9 +34,7 @@ BuildRequires:  systemd-devel
 # PulseAudio
 BuildRequires:  pkgconfig(libpulse-simple)
 # Jack
-%if %{with jack}
 BuildRequires:  pkgconfig(jack)
-%endif
 # D-Bus
 BuildRequires:  pkgconfig(dbus-1)
 # IBus
@@ -83,49 +77,40 @@ Static libraries for SDL2.
 
 %prep
 %autosetup -p1
-# Compilation without ESD
-sed -i -e 's/.*AM_PATH_ESD.*//' configure.ac
 sed -i -e 's/\r//g' TODO.txt README.txt WhatsNew.txt BUGS.txt COPYING.txt CREDITS.txt README-SDL.txt
 
 %build
-%configure \
-    --enable-sdl-dlopen \
-    --enable-video-kmsdrm \
-    --disable-arts \
-    --disable-esd \
-    --disable-nas \
-    --enable-pulseaudio-shared \
-%if %{with jack}
-    --enable-jack-shared \
-%else
-    --disable-jack \
-%endif
-    --enable-alsa \
-    --enable-video-wayland \
-    --enable-video-vulkan \
-    --enable-sse2=no \
-    --enable-sse3=no \
-    --disable-rpath \
+# Deal with new CMake policy around whitespace in LDFLAGS...
+export LDFLAGS="%{shrink:%{build_ldflags}}"
+
+%cmake \
+    -DSDL_DLOPEN=ON \
+    -DVIDEO_KMSDRM=ON \
+    -DARTS=OFF \
+    -DESD=OFF \
+    -DNAS=OFF \
+    -DPULSEAUDIO_SHARED=ON \
+    -DJACK_SHARED=ON \
+    -DALSA=ON \
+    -DVIDEO_WAYLAND=ON \
+    -DVIDEO_VULKAN=ON \
+    -DSSE3=OFF \
+    -DRPATH=OFF \
+    -DSDL_STATIC=ON \
 %ifarch ppc64le
-    --disable-altivec \
+    -DALTIVEC=OFF \
 %endif
 
-%make_build
+%cmake_build
 
 %install
-%make_install
+%cmake_install
 
 # Rename SDL_config.h to SDL_config-<arch>.h to avoid file conflicts on
 # multilib systems and install SDL_config.h wrapper
 mv %{buildroot}%{_includedir}/SDL2/SDL_config.h %{buildroot}%{_includedir}/SDL2/SDL_config-%{_arch}.h
 install -p -m 644 %{SOURCE1} %{buildroot}%{_includedir}/SDL2/SDL_config.h
 
-# remove libtool .la file
-rm -vf %{buildroot}%{_libdir}/*.la
-# remove static .a file
-# rm -f %{buildroot}%{_libdir}/*.a
-
-%ldconfig_scriptlets
 
 %files
 %license COPYING.txt
@@ -146,6 +131,10 @@ rm -vf %{buildroot}%{_libdir}/*.la
 %{_libdir}/lib*.a
 
 %changelog
+* Mon May 17 2021 Neal Gompa <ngompa13@gmail.com> - 2.0.14-4
+- Switch to CMake to build SDL2
+- Build JACK support unconditionally since PipeWire-JACK exists in RHEL 9
+
 * Mon Feb 22 2021 Hans de Goede <hdegoede@redhat.com> - 2.0.14-3
 - SDL2 no longer uses audiofile, drop the audiofile-devel BuildRequires