Add support for MIPS64.

Change-Id: I78e27bf942b4a825543e76be25546b6458bad8b6

README

@@ -65,6 +65,7 @@ COMPILING THE APPLICATIONS/LIBRARIES:
     armv7-win32-vs12
     armv7s-darwin-gcc
     mips32-linux-gcc
+    mips64-linux-gcc
     ppc32-darwin8-gcc
     ppc32-darwin9-gcc
     ppc32-linux-gcc

build/make/rtcd.pl

@@ -365,13 +365,13 @@ if ($opts{arch} eq 'x86') {
   @REQUIRES = filter(keys %required ? keys %required : qw/mmx sse sse2/);
   &require(@REQUIRES);
   x86;
-} elsif ($opts{arch} eq 'mips32') {
-  @ALL_ARCHS = filter(qw/mips32/);
+} elsif ($opts{arch} eq 'mips32' || $opts{arch} eq 'mips64') {
+  @ALL_ARCHS = filter("$opts{arch}");
   open CONFIG_FILE, $opts{config} or
     die "Error opening config file '$opts{config}': $!\n";
   while (<CONFIG_FILE>) {
     if (/HAVE_DSPR2=yes/) {
-      @ALL_ARCHS = filter(qw/mips32 dspr2/);
+      @ALL_ARCHS = filter("$opts{arch}", qw/dspr2/);
       last;
     }
   }

configure

@@ -111,6 +111,7 @@ all_platforms="${all_platforms} armv7-win32-vs11"
 all_platforms="${all_platforms} armv7-win32-vs12"
 all_platforms="${all_platforms} armv7s-darwin-gcc"
 all_platforms="${all_platforms} mips32-linux-gcc"
+all_platforms="${all_platforms} mips64-linux-gcc"
 all_platforms="${all_platforms} ppc32-darwin8-gcc"
 all_platforms="${all_platforms} ppc32-darwin9-gcc"
 all_platforms="${all_platforms} ppc32-linux-gcc"
@@ -254,6 +255,8 @@ ARCH_EXT_LIST="
     mips32
     dspr2
 
+    mips64
+
     mmx
     sse
     sse2