[OpenBIOS] [PATCH v2 2/4] switch-arch: compute base arch and allow native compiler for 32bit and 64bit.

[Laurent Vivier]

Signed-off-by: Laurent Vivier 
---
 config/scripts/switch-arch | 19 ++++++++++++++++---
 1 file changed, 16 insertions(+), 3 deletions(-)

diff --git a/config/scripts/switch-arch b/config/scripts/switch-arch
index 5adaa59..2e9d601 100755
--- a/config/scripts/switch-arch
+++ b/config/scripts/switch-arch
@@ -45,6 +45,19 @@ longbits()
     fi
 }

+basearch()
+{
+    arch=$1
+    case $arch in
+    powerpc|ppc64|powerpc64)
+        echo ppc
+        ;;
+    *)
+        echo $arch
+        ;;
+    esac
+}
+
 crosscflags()
 {
     host=$1
@@ -95,6 +108,7 @@ archname()

select_prefix()
 {
+    BASEARCH=$(basearch $ARCH)
     for target_arch ; do
         TARGETS="${target_arch}-unknown-linux-gnu- ${target_arch}-linux-gnu- ${target_arch}-linux- ${target_arch}-elf- ${target_arch}-eabi-"

@@ -109,7 +123,8 @@ select_prefix()
                 return
             fi
         done
-        if [ "$ARCH" = "$HOSTARCH" ]; then
+        if [ "$BASEARCH" = "$(basearch $HOSTARCH)" ]; then
+            TARGET=""
             return
         fi
     done
@@ -240,7 +255,6 @@ for ARCH in $arch_list; do
         esac
     done

-    BASEARCH=$ARCH
     case $ARCH in
         amd64)
         select_prefix x86_64
@@ -263,7 +277,6 @@ for ARCH in $arch_list; do
         select_prefix powerpc64
         CFLAGS="-Wa,-a64 -m64 -msoft-float -fno-builtin"
         AS_FLAGS="-Wa,-a64"
-        BASEARCH=ppc
         ;;

sparc32)