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-rw-r--r--Makefile.kernel2621
1 files changed, 21 insertions, 0 deletions
diff --git a/Makefile.kernel26 b/Makefile.kernel26
index 6af9a69..2833504 100644
--- a/Makefile.kernel26
+++ b/Makefile.kernel26
@@ -25,3 +25,24 @@ endif
EXTRA_CFLAGS += -DECHO_CAN_HPEC -I$(src)/hpec
endif
+
+
+# set CONFIG_ZAPTEL_MMX for a number of CPU types.
+# Right now this part is not enabled, unless you build with
+# ZAPTEL_MMX_AUTO=something .
+ZAPMMX_WHITELIST_i386 = M586MMX M686 MPENTIUMII MPENTIUMIII MPENTIUMM \
+ MPENTIUM4 MVIAC3_2
+
+ZAPMMX_WHITELIST_x86_64 =
+
+# A list of configuration variables to test: CONFIG_M686 , etc.
+ZAPMMX_CONFIG_VARS := $(ZAPMMX_WHITELIST_$(ARCH):%=CONFIG_%)
+
+# expand them:
+ZAPMMX_CONFIG_VALS := $(strip $(foreach var,$(ZAPMMX_CONFIG_VARS),$(var)) )
+ifneq (,$(ZAPTEL_MMX_AUTO))
+ ifneq (,$(ZAPMMX_CONFIG_VALS))
+ # TODO: make that
+ CFLAGS_zaptel-base.o += -DCONFIG_ZAPTEL_MMX
+ endif
+endif