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-rw-r--r--sysdeps/i386/fpu/bits/mathdef.h4
1 files changed, 2 insertions, 2 deletions
diff --git a/sysdeps/i386/fpu/bits/mathdef.h b/sysdeps/i386/fpu/bits/mathdef.h
index 7dec1ab222..61d4ef3610 100644
--- a/sysdeps/i386/fpu/bits/mathdef.h
+++ b/sysdeps/i386/fpu/bits/mathdef.h
@@ -16,11 +16,11 @@
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
-#ifndef _MATH_H
+#if !defined _MATH_H && !defined _COMPLEX_H
# error "Never use <bits/mathdef.h> directly; include <math.h> instead"
#endif
-#ifdef __USE_ISOC9X
+#if defined __USE_ISOC9X && defined _MATH_H
/* The ix87 FPUs evaluate all values in the 80 bit floating-point format
which is also available for the user as `long double'. Therefore we
define: */