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-rw-r--r--meta/conf/machine/include/tune-sh4.inc6
1 files changed, 6 insertions, 0 deletions
diff --git a/meta/conf/machine/include/tune-sh4.inc b/meta/conf/machine/include/tune-sh4.inc
index 866f7f89d..51b40691b 100644
--- a/meta/conf/machine/include/tune-sh4.inc
+++ b/meta/conf/machine/include/tune-sh4.inc
@@ -1 +1,7 @@
+# NOTE: If you want to optimize to sh4a, conf/machine/include/tune-sh4a.inc.
+# But it is not compatible for sh4.
+# The binary optimized by m4a doesn't operate on sh4. It works on sh4a only.
+
TARGET_CC_ARCH = "-ml -m4"
+FEED_ARCH = "sh4"
+BASE_PACKAGE_ARCH = "sh4"