added and modified libm to support SuperH architecture
diff --git a/libm/Android.mk b/libm/Android.mk
index 8f0c3b1..fa73aff 100644
--- a/libm/Android.mk
+++ b/libm/Android.mk
@@ -170,7 +170,17 @@
 
     libm_common_includes = $(LOCAL_PATH)/i386 $(LOCAL_PATH)/i387
   else
-    $(error "Unknown architecture")
+    ifeq ($(TARGET_OS)-$(TARGET_ARCH),linux-sh)
+      libm_common_src_files += \
+		sh/fenv.c \
+		src/s_scalbln.c \
+		src/s_scalbn.c \
+		src/s_scalbnf.c
+
+      libm_common_includes = $(LOCAL_PATH)/sh
+    else
+      $(error "Unknown architecture")
+    endif
   endif
 endif