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-rw-r--r--make/custom/pc486.cfg4
1 files changed, 3 insertions, 1 deletions
diff --git a/make/custom/pc486.cfg b/make/custom/pc486.cfg
index dca45047af..feb3b91de5 100644
--- a/make/custom/pc486.cfg
+++ b/make/custom/pc486.cfg
@@ -8,7 +8,9 @@ RTEMS_CPU_MODEL=i486dx
# gcc 2.95.x and 3.0
#CPU_CFLAGS = -m486
# gcc 3.1 and newer
-CPU_CFLAGS=-mcpu=i486
+# CPU_CFLAGS=-mcpu=i486
+# gcc 4.0 and newer
+CPU_CFLAGS=-mtune=i486
include $(RTEMS_ROOT)/make/custom/pc386.cfg