sane-toolchain-uclibc.inc: Use -O2 for powerpc targets

* -Os compiled root file system segfaults everywhere
  we dont know why yet so we use -O2 meanwhile we figure
  the reason for -Os failure

Signed-off-by: Khem Raj <raj.khem@gmail.com>

diff --git a/conf/distro/include/sane-toolchain-uclibc.inc b/conf/distro/include/sane-toolchain-uclibc.inc
index bfe0bc8..059f834 100644 (file)
--- a/conf/distro/include/sane-toolchain-uclibc.inc
+++ b/conf/distro/include/sane-toolchain-uclibc.inc
@@ -24,6 +24,9 @@ PREFERRED_VERSION_uclibc-cross-intermediate ?= "${PREFERRED_UCLIBC_VERSION}"
 #mess with compiler flags to use -Os instead of -O2
 #Please see http://free-electrons.com/doc/embedded_linux_optimizations/img47.html for some more info
 FULL_OPTIMIZATION = "-fexpensive-optimizations -fomit-frame-pointer -frename-registers -Os"
+# -Os compiled root file system does not boot for powerpc, root cause it still at large
+# we use -O2 meanwhile
+FULL_OPTIMIZATION_powerpc = "-O2"
 
 #Gcc will die with 'internal consistency error when using the above optimizations
 #with gcc-4.2.1-atmel.1.0.3 (and probably most other avr32 gcc ports).