Fix conditional MPEG2 support and remove builddate from code

OBS-URL: https://build.opensuse.org/package/show/games/scummvm?expand=0&rev=15

scummvm-nobuildtime.patch

@@ -0,0 +1,17 @@
+Index: base/version.cpp
+===================================================================
+--- base/version.cpp.orig
++++ base/version.cpp
+@@ -57,9 +57,9 @@
+  * to properly work in exports (i.e. release tar balls etc.).
+  */
+ const char *gScummVMVersion = SCUMMVM_VERSION;
+-const char *gScummVMBuildDate = __DATE__ " " __TIME__;
+-const char *gScummVMVersionDate = SCUMMVM_VERSION " (" __DATE__ " " __TIME__ ")";
+-const char *gScummVMFullVersion = "ScummVM " SCUMMVM_VERSION " (" __DATE__ " " __TIME__ ")";
++const char *gScummVMBuildDate = "";
++const char *gScummVMVersionDate = SCUMMVM_VERSION;
++const char *gScummVMFullVersion = "ScummVM " SCUMMVM_VERSION;
+ const char *gScummVMFeatures = ""
+ #ifdef USE_TREMOR
+ #ifdef USE_TREMOLO

scummvm.spec

@@ -27,6 +27,7 @@ License:        GPLv2+, LGPLv2.1 or later
 Url:            http://www.scummvm.org
 Source:         http://downloads.sf.net/%{name}/%{name}-%{version}.tar.bz2
 Patch0:         %{name}-nostrip.patch
+Patch1:         %{name}-nobuildtime.patch
 BuildRoot:      %{_tmppath}/%{name}-%{version}-build
 BuildRequires:  SDL-devel >= 1.2.2 flac-devel libvorbis-devel zlib-devel
 BuildRequires:  fluidsynth-devel gcc-c++ update-desktop-files
@@ -71,6 +72,7 @@ These engines are in a worse state, but allow to play extra games.
 %prep
 %setup -q
 %patch0
+%patch1
 
 %build
 %ifarch %ix86
@@ -84,6 +86,7 @@ CXXFLAGS="$RPM_OPT_FLAGS" ; export CXXFLAGS ; \
             --datadir=%{_datadir} \
             --mandir=%{_mandir} \
             --libdir=%{_libdir} \
+            %{?with_mpeg2:--enable-mpeg2} \
             --enable-verbose-build \
             --enable-plugins \
             --enable-m4=dynamic \