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-rw-r--r--sysdeps/unix/sysv/linux/sparc/bits/wordsize.h20
1 files changed, 20 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/sparc/bits/wordsize.h b/sysdeps/unix/sysv/linux/sparc/bits/wordsize.h
new file mode 100644
index 0000000000..2d958d29e5
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/sparc/bits/wordsize.h
@@ -0,0 +1,20 @@
+/* Determine the wordsize from the preprocessor defines.  */
+
+#if defined __arch64__ || defined __sparcv9
+# define __WORDSIZE	64
+#else
+# define __WORDSIZE	32
+#endif
+
+#if !defined __NO_LONG_DOUBLE_MATH && !defined __LONG_DOUBLE_MATH_OPTIONAL
+
+# if __WORDSIZE == 32
+/* Signal that in 32bit ABI we didn't used to have a `long double'.
+   The changes all the `long double' function variants to be redirects
+   to the double functions.  */
+#  define __LONG_DOUBLE_MATH_OPTIONAL   1
+#  ifndef __LONG_DOUBLE_128__
+#   define __NO_LONG_DOUBLE_MATH        1
+#  endif
+# endif
+#endif