From e437678f77f37d05acedb158cacc2739fd7f4d93 Mon Sep 17 00:00:00 2001
From: wilson <wilson@138bc75d-0d04-0410-961f-82ee72b054a4>
Date: Tue, 28 Sep 1993 22:40:30 +0000
Subject: [PATCH] (HUGE_VAL): Add #undef before HUGE_VAL define, instead of
 surrounding it with #ifndef/#endif.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@5508 138bc75d-0d04-0410-961f-82ee72b054a4
---
 gcc/ginclude/math-3300.h  | 3 +--
 gcc/ginclude/math-68881.h | 6 ++++--
 2 files changed, 5 insertions(+), 4 deletions(-)

diff --git a/gcc/ginclude/math-3300.h b/gcc/ginclude/math-3300.h
index 0edd8d67915..4e701257995 100644
--- a/gcc/ginclude/math-3300.h
+++ b/gcc/ginclude/math-3300.h
@@ -21,7 +21,7 @@
 
 #include <errno.h>
 
-#ifndef HUGE_VAL
+#undef HUGE_VAL
 #define HUGE_VAL							\
 ({									\
   double huge_val;							\
@@ -31,7 +31,6 @@
 	 : /* no inputs */);						\
   huge_val;								\
 })
-#endif
 
 __inline static const double sin (double x)
 {
diff --git a/gcc/ginclude/math-68881.h b/gcc/ginclude/math-68881.h
index ff06490992e..2c183f755e1 100644
--- a/gcc/ginclude/math-68881.h
+++ b/gcc/ginclude/math-68881.h
@@ -33,12 +33,15 @@
    December 1989, add parens around `&' in pow.
    November 1990, added alternate definition of HUGE_VAL for Sun.  */
 
+/* Changed by Jim Wilson:
+   September 1993, Use #undef before HUGE_VAL instead of #ifdef/#endif.  */
+
 #ifndef __math_68881
 #define __math_68881
 
 #include <errno.h>
 
-#ifndef HUGE_VAL
+#undef HUGE_VAL
 #ifdef __sun__
 /* The Sun assembler fails to handle the hex constant in the usual defn.  */
 #define HUGE_VAL							\
@@ -57,7 +60,6 @@
   huge_val;								\
 })
 #endif
-#endif
 
 __inline static const double
 sin (double x)
-- 
2.11.0