move arch processing after command line loop

Originally committed as revision 8008 to svn://svn.ffmpeg.org/ffmpeg/trunk

configure

@@ -677,61 +677,6 @@ dcbzl="no"
 mmi="default"
 bigendian="no"
 
-case "$arch" in
-  i386|i486|i586|i686|i86pc|BePC)
-    arch="x86_32"
-  ;;
-  x86_64|amd64)
-    arch="x86_32"
-    canon_arch="`$cc -dumpmachine | sed -e 's,\([^-]*\)-.*,\1,'`"
-    if [ x"$canon_arch" = x"x86_64" -o x"$canon_arch" = x"amd64" ]; then
-      if [ -z "`echo $CFLAGS | grep -- -m32`"  ]; then
-        arch="x86_64"
-      fi
-    fi
-  ;;
-  # armv4l is a subset of armv[567]*l
-  arm|armv[4567]*l)
-    arch="armv4l"
-  ;;
-  alpha)
-    arch="alpha"
-  ;;
-  "Power Macintosh"|ppc|ppc64|powerpc)
-    arch="powerpc"
-  ;;
-  mips|mipsel|IP*)
-    arch="mips"
-  ;;
-  sun4u|sparc64)
-    arch="sparc64"
-  ;;
-  sparc)
-    arch="sparc"
-  ;;
-  sh4)
-    arch="sh4"
-  ;;
-  parisc|parisc64)
-    arch="parisc"
-  ;;
-  s390|s390x)
-    arch="s390"
-  ;;
-  m68k)
-    arch="m68k"
-  ;;
-  ia64)
-    arch="ia64"
-  ;;
-  bfin)
-    arch="bfin"
-  ;;
-  *)
-    arch="unknown"
-  ;;
-esac
-
 # OS
 targetos=`uname -s`
 beos_netserver="no"
@@ -936,6 +881,61 @@ for opt do
   esac
 done
 
+case "$arch" in
+  i386|i486|i586|i686|i86pc|BePC)
+    arch="x86_32"
+  ;;
+  x86_64|amd64)
+    arch="x86_32"
+    canon_arch="`$cc -dumpmachine | sed -e 's,\([^-]*\)-.*,\1,'`"
+    if [ x"$canon_arch" = x"x86_64" -o x"$canon_arch" = x"amd64" ]; then
+      if [ -z "`echo $CFLAGS | grep -- -m32`"  ]; then
+        arch="x86_64"
+      fi
+    fi
+  ;;
+  # armv4l is a subset of armv[567]*l
+  arm|armv[4567]*l)
+    arch="armv4l"
+  ;;
+  alpha)
+    arch="alpha"
+  ;;
+  "Power Macintosh"|ppc|ppc64|powerpc)
+    arch="powerpc"
+  ;;
+  mips|mipsel|IP*)
+    arch="mips"
+  ;;
+  sun4u|sparc64)
+    arch="sparc64"
+  ;;
+  sparc)
+    arch="sparc"
+  ;;
+  sh4)
+    arch="sh4"
+  ;;
+  parisc|parisc64)
+    arch="parisc"
+  ;;
+  s390|s390x)
+    arch="s390"
+  ;;
+  m68k)
+    arch="m68k"
+  ;;
+  ia64)
+    arch="ia64"
+  ;;
+  bfin)
+    arch="bfin"
+  ;;
+  *)
+    arch="unknown"
+  ;;
+esac
+
 # OS specific
 osextralibs="-lm"
 case $targetos in