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-rw-r--r--make/custom/pc686.cfg8
1 files changed, 3 insertions, 5 deletions
diff --git a/make/custom/pc686.cfg b/make/custom/pc686.cfg
index 4c66e28b8e..7c0d85d22a 100644
--- a/make/custom/pc686.cfg
+++ b/make/custom/pc686.cfg
@@ -5,11 +5,9 @@
#
RTEMS_CPU_MODEL=pentiumpro
-# gcc 2.95.x and 3.0
-#CPU_CFLAGS = -mpentiumpro
-# gcc 3.1 and newer
-# CPU_CFLAGS = -mcpu=pentiumpro
-# gcc 4.0 and newer
+
+# This contains the compiler options necessary to select the CPU model
+# and (hopefully) optimize for it.
CPU_CFLAGS = -mtune=pentiumpro
include $(RTEMS_ROOT)/make/custom/pc386.cfg