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-rw-r--r--libc/sysdeps/linux/sh/bits/mathdef.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/libc/sysdeps/linux/sh/bits/mathdef.h b/libc/sysdeps/linux/sh/bits/mathdef.h
index c419fcd4a..2b8caf194 100644
--- a/libc/sysdeps/linux/sh/bits/mathdef.h
+++ b/libc/sysdeps/linux/sh/bits/mathdef.h
@@ -61,3 +61,9 @@ typedef double double_t;
# define FP_ILOGBNAN 0x7fffffff
#endif /* ISO C99 */
+
+#ifndef __NO_LONG_DOUBLE_MATH
+/* Signal that we do not really have a `long double'. The disables the
+ declaration of all the `long double' function variants. */
+# define __NO_LONG_DOUBLE_MATH 1
+#endif