* Makes static libs optional
* Removes auto-SSE2 detection

Index: gpac-2.2.0/Makefile
===================================================================
--- gpac-2.2.0.orig/Makefile
+++ gpac-2.2.0/Makefile
@@ -276,7 +276,9 @@ install-lib:
 	$(INSTALL) $(INSTFLAGS) -m 644 config.h "$(DESTDIR)$(prefix)/include/gpac/configuration.h" || true
 
 	$(INSTALL) -d "$(DESTDIR)$(prefix)/$(lib_dir)"
+ifeq ($(STATIC_LIBS), yes)
 	$(INSTALL) $(INSTFLAGS) -m 644 "./bin/gcc/libgpac_static.a" "$(DESTDIR)$(prefix)/$(lib_dir)" || true
+endif
 
 	$(INSTALL) -d $(DESTDIR)$(prefix)/$(lib_dir)/pkgconfig
 	$(INSTALL) $(INSTFLAGS) -m 644 gpac.pc "$(DESTDIR)$(prefix)/$(lib_dir)/pkgconfig"
Index: gpac-2.2.0/configure
===================================================================
--- gpac-2.2.0.orig/configure
+++ gpac-2.2.0/configure
@@ -74,6 +74,7 @@ enable_sanitizer="no"
 libgpac_cflags=""
 libgpac_extralibs=""
 static_build="no"
+static_libs="no"
 static_bin="no"
 static_modules="no"
 lm_lib=""
@@ -273,6 +274,7 @@ GPAC build options:
   --disable-opt            disable GCC optimizations
   --static-build           link statically against libgpac but still allow dependencies to shared libraries (enable --static-modules)
   --static-bin             enable static linking of MP4Box and gpac only (will enable --static-build), disable all libraries not linkable statically.
+  --enable-static-lib      GPAC static libraries build
   --sdl-cfg=SDL_PATH       specify path to sdl-config for local install [$sdl_path]
   --enable-sdl-static      use static SDL linking [default=no]
   --X11-path=X11_PATH      specify path for X11 includes and libraries [$X11_PATH]
@@ -552,6 +554,8 @@ for opt do
             echo "$opt deprecated, use --static-build instead"
             static_build="yes";
             ;;
+        --enable-static-libs) static_libs="yes";
+            ;;
         --enable-fixed-point) use_fixed_point="yes"
             ;;
         --strip) INSTFLAGS="-s $INSTFLAGS"
@@ -943,14 +947,6 @@ if docc -lz -Wno-pointer-sign ; then
 fi
 
 
-#GCC opt
-if test "$no_gcc_opt" = "no"; then
-    CFLAGS="-O3 $CFLAGS"
-else
-    CFLAGS="-O0 $CFLAGS"
-fi
-
-
 #GCC PIC
 if test "$cross_prefix" != "" ; then
     want_pic="no"
@@ -978,11 +974,6 @@ cat > $TMPC << EOF
 int main( void ) { return 0; }
 EOF
 
-if docc -msse2 $LDFLAGS ; then
-  CFLAGS="$CFLAGS -msse2"
-fi
-
-
 #check dlopen support
 has_dlopen="no"
 cat > $TMPC << EOF
@@ -1888,6 +1879,7 @@ else
 fi
 echo "debug version: $debuginfo"
 echo "GProf enabled: $gprof_build"
+echo "Static libs enabled: $static_libs"
 echo "Memory tracking enabled: $use_memory_tracking"
 echo "Sanitizer enabled: $enable_sanitizer"
 echo "Fixed-Point Version: $use_fixed_point"
@@ -2604,6 +2596,7 @@ echo "DEBUGBUILD=$debuginfo" >> config.m
 echo "GPROFBUILD=$gprof_build" >> config.mak
 echo "STATIC_BINARY=$static_bin" >> config.mak
 echo "STATIC_BUILD=$static_build" >> config.mak
+echo "STATIC_LIBS=$static_libs" >> config.mak
 
 echo "CONFIG_IPV6=$has_ipv6" >> config.mak
 if test "$has_ipv6" = "yes" ; then
Index: gpac-2.2.0/src/Makefile
===================================================================
--- gpac-2.2.0.orig/src/Makefile
+++ gpac-2.2.0/src/Makefile
@@ -369,8 +369,10 @@ endif
 
 else
 
+ifeq ($(STATIC_LIBS), yes)
 	$(AR) cr ../bin/gcc/libgpac_static.a $(OBJS)
 	$(RANLIB) ../bin/gcc/libgpac_static.a
+endif
 ifneq ($(STATIC_BUILD),yes)
 	$(CC) $(SHFLAGS) $(LD_SONAME) -o $@ $(OBJS) $(ALL_LIBS) $(LDFLAGS)
 	mv $@ $@.$(VERSION_SONAME)