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-rw-r--r--make/custom/mbx8xx.cfg2
1 files changed, 1 insertions, 1 deletions
diff --git a/make/custom/mbx8xx.cfg b/make/custom/mbx8xx.cfg
index da75021192..85170dc927 100644
--- a/make/custom/mbx8xx.cfg
+++ b/make/custom/mbx8xx.cfg
@@ -47,7 +47,7 @@ CPU_CFLAGS = -mcpu=$(8XX_CPU_TYPE) -Dmpc$(8XX_CPU_TYPE) -D$(RTEMS_MBX_MODEL)
# optimize flag: typically -O2
-CFLAGS_OPTIMIZE_V = -O4 -fno-keep-inline-functions
+CFLAGS_OPTIMIZE_V = -O2 -fno-keep-inline-functions
define make-exe
$(LINK.c) $(AM_CFLAGS) $(AM_LDFLAGS) $(MBX8xx_LDFLAGS) \