From 6b23e62410856eaefe3dfe78e1cf54a607af3a6f Mon Sep 17 00:00:00 2001 From: Bruno Haible Date: Tue, 24 Jan 2006 22:00:13 +0000 Subject: [PATCH] Fix a bug occurring with HP-UX aCC compiler. --- lib/ChangeLog | 5 +++++ lib/stdbool_.h | 11 ++++++++--- 2 files changed, 13 insertions(+), 3 deletions(-) diff --git a/lib/ChangeLog b/lib/ChangeLog index c3f544ab14..66f8fa7512 100644 --- a/lib/ChangeLog +++ b/lib/ChangeLog @@ -1,5 +1,10 @@ 2006-01-24 Bruno Haible + * stdbool_.h (_Bool) [__cplusplus]: Don't define if the compiler already + has it. + Report and patch by Albert Chin-A-Young on + 2005-11-26. + * stdbool_.h (_Bool) [HP-UX cc, AIX cc,xlc] : Define as 'signed char' to avoid problems with the built-in _Bool type. Reported by Paul Eggert on 2005-11-26. diff --git a/lib/stdbool_.h b/lib/stdbool_.h index 586b5c7173..db16581a2f 100644 --- a/lib/stdbool_.h +++ b/lib/stdbool_.h @@ -70,7 +70,14 @@ (see ISO C 99 6.7.2.2.(4)); however, '_Bool' must promote to 'int' (see ISO C 99 6.3.1.1.(2)). So we add a negative value to the enum; this ensures that '_Bool' promotes to 'int'. */ -#if !(defined __cplusplus || defined __BEOS__) +#if defined __cplusplus || defined __BEOS__ + /* A compiler known to have 'bool'. */ + /* If the compiler already has both 'bool' and '_Bool', we can assume they + are the same types. */ +# if !@HAVE__BOOL@ +typedef bool _Bool; +# endif +#else # if @HAVE__BOOL@ # if defined __HP_cc || defined __xlc__ /* Some HP-UX cc and AIX IBM C compiler versions have compiler bugs when @@ -91,8 +98,6 @@ enum { false = 0, true = 1 }; typedef enum { _Bool_must_promote_to_int = -1, false = 0, true = 1 } _Bool; # endif # endif -#else -typedef bool _Bool; #endif #define bool _Bool -- 2.30.2