u-boot: compile with -O2 on PowerPC

gcc on PowerPC is currently compiled with -Os optimization disabled so
we have to use -O2 on PowerPC instead.

Signed-off-by: Ilya Yanok <yanok@emcraft.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 6 insertions, 1 deletions

diff --git a/meta/recipes-bsp/uboot/u-boot.inc b/meta/recipes-bsp/uboot/u-boot.inc
index 503d2c335b..3a53fbad4d 100644
--- a/meta/recipes-bsp/uboot/u-boot.inc
+++ b/meta/recipes-bsp/uboot/u-boot.inc
@@ -23,7 +23,12 @@ do_compile () {
         unset CFLAGS
         unset CPPFLAGS
         oe_runmake ${UBOOT_MACHINE}
-        oe_runmake all
+        # -Os is disabled on PowerPC
+        if [ ${TARGET_ARCH} == "powerpc" ] ; then
+                oe_runmake OPTFLAGS=-O2 all
+        else
+                oe_runmake all
+        fi
 }
 
 do_deploy () {