Turned CPU detection into a function

libretro-config.sh

@@ -2,8 +2,10 @@
 # vi: ts=3 sw=3 et
 
 # Architecture Assignment
-[ -z "${ARCH}" ] && ARCH="`uname -m`"
-case "${ARCH}" in
+config_cpu() {
+   [ -n "${2}" ] && ARCH=${1}
+   [ -z "${ARCH}" ] && ARCH="`uname -m`"
+   case "${ARCH}" in
       x86_64)
          X86=true
          X86_64=true
@@ -21,11 +23,14 @@ case "${ARCH}" in
             armv7l)   ARMV7=true ;;
          esac
          ;;
-esac
-if [ -n "${PROCESSOR_ARCHITEW6432}" -a "${PROCESSOR_ARCHITEW6432}" = "AMD64" ]; then
+   esac
+   if [ -n "${PROCESSOR_ARCHITEW6432}" -a "${PROCESSOR_ARCHITEW6432}" = "AMD64" ]; then
       ARCH=x86_64
       X86=true && X86_64=true
-fi
+   fi
+}
+
+config_cpu
 
 if [ -z "$JOBS" ]; then
    if command -v nproc >/dev/null; then