* Makes static libs optional
* Removes auto-SSE2 detection
----
Index: gpac-2.0.0/Makefile
===================================================================
--- gpac-2.0.0.orig/Makefile
+++ gpac-2.0.0/Makefile
@@ -298,8 +298,9 @@ ifeq ($(GPAC_ENST),yes)
 endif
 
 	$(INSTALL) -d "$(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-2.0.0/configure
===================================================================
--- gpac-2.0.0.orig/configure
+++ gpac-2.0.0/configure
@@ -106,6 +106,7 @@ has_dvb4linux="no"
 has_openjpeg="no"
 gprof_build="no"
 static_build="no"
+static_libs="no"
 want_pic="no"
 want_gcov="no"
 has_joystick="no"
@@ -271,6 +272,7 @@ GPAC configuration options:
   --static-modules         use static modules in libgpac rather than dynamic library modules
   --static-build           link statically against libgpac but still allow dependencies to shared libraries (enable --static-modules)
   --enable-static-bin      old name for --static-build, deprecated
+  --enable-static-lib      GPAC static libraries build
   --static-bin             enable static linking of MP4Box and gpac only (enable --static-build), disable MP4Client and all libraries not linkable statically.
   --static-mp4box          old name for --static-bin, deprecated
   --enable-depth           enables depth handling in the compositor
@@ -741,14 +743,6 @@ 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"
@@ -776,10 +770,6 @@ cat > $TMPC << EOF
 int main( void ) { return 0; }
 EOF
 
-if docc -msse2 $LDFLAGS ; then
-  CFLAGS="$CFLAGS -msse2"
-fi
-
 
 #look for zlib
 cat > $TMPC << EOF
@@ -1790,6 +1780,8 @@ for opt do
             echo "$opt deprecated, use --static-build instead"
             static_build="yes";
             ;;
+        --enable-static-libs) static_libs="yes";
+            ;;
         --disable-ipv6) has_ipv6="no"
             ;;
         --disable-platinum) has_platinum="no"
@@ -2521,6 +2513,7 @@ 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: $use_fixed_point"
@@ -3252,6 +3245,7 @@ echo "DEBUGBUILD=$debuginfo" >> config.m
 echo "GPROFBUILD=$gprof_build" >> config.mak
 echo "STATIC_BINARY=$static_bin" >> config.mak
 echo "STATICBUILD=$static_build" >> config.mak
+echo "STATICLIBS=$static_libs" >> config.mak
 
 echo "CONFIG_IPV6=$has_ipv6" >> config.mak
 if test "$has_ipv6" = "yes" ; then
Index: gpac-2.0.0/src/Makefile
===================================================================
--- gpac-2.0.0.orig/src/Makefile
+++ gpac-2.0.0/src/Makefile
@@ -387,7 +387,6 @@ jsmods: $(LIBGPAC_JSMODS)
 #	@echo "LIBS $(EXTRALIBS)"
 
 ifeq ($(CONFIG_DARWIN),yes)
-
 	$(LIBTOOL) -s -o ../bin/gcc/libgpac_static.a $(OBJS)
 	$(RANLIB) ../bin/gcc/libgpac_static.a
 ifneq ($(STATICBUILD),yes)
@@ -395,9 +394,10 @@ ifneq ($(STATICBUILD),yes)
 endif
 
 else
-
+ifeq ($(STATICLIBS), yes)
 	$(AR) cr ../bin/gcc/libgpac_static.a $(OBJS)
 	$(RANLIB) ../bin/gcc/libgpac_static.a
+endif
 ifneq ($(STATICBUILD),yes)
 	$(CC) $(SHFLAGS) $(LD_SONAME) -o $@ $(OBJS) $(EXTRALIBS)	 $(LDFLAGS)
 	mv $@ $@.$(VERSION_SONAME)