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-rw-r--r--make/custom/pc386dx.cfg3
1 files changed, 3 insertions, 0 deletions
diff --git a/make/custom/pc386dx.cfg b/make/custom/pc386dx.cfg
index c74732afb4..2268eaecb2 100644
--- a/make/custom/pc386dx.cfg
+++ b/make/custom/pc386dx.cfg
@@ -5,6 +5,9 @@
#
RTEMS_CPU_MODEL=i386dx
+
+# This contains the compiler options necessary to select the CPU model
+# and (hopefully) optimize for it.
CPU_CFLAGS = -msoft-float -mno-fp-ret-in-387
include $(RTEMS_ROOT)/make/custom/pc386.cfg