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-rw-r--r--make/custom/erc32.cfg2
1 files changed, 1 insertions, 1 deletions
diff --git a/make/custom/erc32.cfg b/make/custom/erc32.cfg
index 22719cad1f..3c198e9caa 100644
--- a/make/custom/erc32.cfg
+++ b/make/custom/erc32.cfg
@@ -18,4 +18,4 @@ RTEMS_BSP_FAMILY=erc32
CPU_CFLAGS = -mcpu=cypress
# optimize flag: typically -O2
-CFLAGS_OPTIMIZE_V = -O2 -g
+CFLAGS_OPTIMIZE_V = -Os -g