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Re: [Bug-gnulib] stdbool_.h bug breaks coreutils CVS sort on Alpha GCC 2
From: |
Paul Eggert |
Subject: |
Re: [Bug-gnulib] stdbool_.h bug breaks coreutils CVS sort on Alpha GCC 2.95.4 |
Date: |
03 Aug 2003 00:30:04 -0700 |
User-agent: |
Gnus/5.09 (Gnus v5.9.0) Emacs/21.3 |
Coreutils adopted that patch and I've heard no other comment so I
installed it into gnulib.
One other problem with stdbool_.h was noted by Nelson H. F. Beebe
to bug-coreutils yesterday:
Sun Solaris 2.8 (SPARC), Sun Solaris 2.9 (SPARC and Intel x86)
c89 -DHAVE_CONFIG_H -I. -I. -I.. -I.. -I. -I../lib -I../lib
-I/usr/local/include -xO5 -dalign -xlibmil -xcg92 -xsafe=mem -c `test -f
'date.c' || echo './'`date.c
"../lib/stdbool.h", line 39: warning: _Bool is a keyword in ISO C99
This is not a fatal problem, but it causes lots of unnecessary warnings
for people using Sun's C compilers, and it'd be nice to avoid them.
How about the following patch to fix this?
2003-08-03 Paul Eggert <address@hidden>
* stdbool_.h (_Bool): Use a #define, not a typedef.
--- old/stdbool_.h Sun Aug 3 00:09:12 2003
+++ new/stdbool_.h Sun Aug 3 00:17:40 2003
@@ -32,11 +32,13 @@
/* For the sake of symbolic names in gdb, define true and false as
enum constants. However, do not define _Bool as the enum type,
since the enum type might be compatible with unsigned int, whereas
- _Bool must promote to int. */
+ _Bool must promote to int. Also, make _Bool a macro rather than a
+ typedef, to suppress warnings by the Sun Forte Developer 7 C
+ compiler that _Bool is a keyword in ISO C99. */
#ifndef __cplusplus
# if address@hidden@
enum { false = 0, true = 1 };
-typedef signed char _Bool;
+# define _Bool signed char
# endif
#else
typedef bool _Bool;
- Re: [Bug-gnulib] stdbool_.h bug breaks coreutils CVS sort on Alpha GCC 2.95.4,
Paul Eggert <=
- Re: [Bug-gnulib] stdbool_.h bug breaks coreutils CVS sort on Alpha GCC 2.95.4, Bruno Haible, 2003/08/05
- Re: [Bug-gnulib] stdbool_.h bug breaks coreutils CVS sort on Alpha GCC 2.95.4, Paul Eggert, 2003/08/05
- Re: [Bug-gnulib] stdbool_.h bug breaks coreutils CVS sort on Alpha GCC 2.95.4, Bruno Haible, 2003/08/07
- Re: [Bug-gnulib] stdbool_.h bug breaks coreutils CVS sort on Alpha GCC 2.95.4, Paul Eggert, 2003/08/07
- Re: [Bug-gnulib] stdbool_.h bug breaks coreutils CVS sort on Alpha GCC 2.95.4, Bruno Haible, 2003/08/08
- Re: [Bug-gnulib] stdbool_.h bug breaks coreutils CVS sort on Alpha GCC 2.95.4, Paul Eggert, 2003/08/08
- Re: [Bug-gnulib] stdbool_.h bug breaks coreutils CVS sort on Alpha GCC 2.95.4, Bruno Haible, 2003/08/11