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| author | Ulrich Drepper <drepper@redhat.com> | 1999-07-18 00:19:18 +0000 |
|---|---|---|
| committer | Ulrich Drepper <drepper@redhat.com> | 1999-07-18 00:19:18 +0000 |
| commit | 428383e84f04663dde479fe5deb4310227e3e7e6 (patch) | |
| tree | a9b89c301ff470bf136a282f3c03df74dd8b8526 /posix/getopt.h | |
| parent | d957279cfb6845616ef6e5be23d4a79b2f94d578 (diff) | |
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Update.
1999-07-17 Zack Weinberg <zack@rabi.columbia.edu>
* include/libc-symbol.h: Clean up definitions of weak_alias,
strong_alias, symbol_version, etc. etc.
* posix/getopt.h: Use ctype.h to get features.h included, and don't
include it at all if __GNU_LIBRARY__ is already defined.
Diffstat (limited to 'posix/getopt.h')
| -rw-r--r-- | posix/getopt.h | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/posix/getopt.h b/posix/getopt.h index aec5d92a3d..12b7ad568e 100644 --- a/posix/getopt.h +++ b/posix/getopt.h @@ -23,10 +23,16 @@ # define _GETOPT_H 1 #endif -/* We include this here since on system susing GNU libc we need some - macros defined. <stdio.h> is probably the most portable header - file and it does what we need. */ -#include <stdio.h> +/* If __GNU_LIBRARY__ is not already defined, either we are being used + standalone, or this is the first header included in the source file. + If we are being used with glibc, we need to include <features.h>, but + that does not exist if we are standalone. So: if __GNU_LIBRARY__ is + not defined, include <ctype.h>, which will pull in <features.h> for us + if it's from glibc. (Why ctype.h? It's guaranteed to exist and it + doesn't flood the namespace with stuff the way some other headers do.) */ +#if !defined __GNU_LIBRARY__ +# include <ctype.h> +#endif #ifdef __cplusplus extern "C" { |