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-rw-r--r--make/custom/gen405.cfg2
1 files changed, 1 insertions, 1 deletions
diff --git a/make/custom/gen405.cfg b/make/custom/gen405.cfg
index 86020a49ca..1bc9628010 100644
--- a/make/custom/gen405.cfg
+++ b/make/custom/gen405.cfg
@@ -22,7 +22,7 @@ RTEMS_BSP_FAMILY=gen405
# This contains the compiler options necessary to select the CPU model
# and (hopefully) optimize for it.
#
-CPU_CFLAGS = -mcpu=403
+CPU_CFLAGS = -mcpu=403 -D_OLD_EXCEPTIONS -Dppc405
# optimize flag: typically -0, could use -O4 or -fast
# -O4 is ok for RTEMS