Mercurial > hg > octave-kai > gnulib-hg
changeset 9051:c2e517158d13
* lib/sys_time_.h: Use a recursion-safe inclusion guard rather than
a split double-inclusion guard. Needed for cygwin, where <sys/time.h>
includes <cygwin/sys_time.h> which includes <sys/select.h> which
include <sys/time.h>.
Reported by Eric Blake.
| author | Paul Eggert <eggert@cs.ucla.edu> |
|---|---|
| date | Fri, 06 Jul 2007 16:42:06 +0000 |
| parents | 9a948e3ed584 |
| children | a06ebd212009 |
| files | ChangeLog lib/sys_time_.h |
| diffstat | 2 files changed, 27 insertions(+), 15 deletions(-) [+] |
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--- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,11 @@ +2007-07-06 Bruno Haible <bruno@clisp.org> + + * lib/sys_time_.h: Use a recursion-safe inclusion guard rather than + a split double-inclusion guard. Needed for cygwin, where <sys/time.h> + includes <cygwin/sys_time.h> which includes <sys/select.h> which + include <sys/time.h>. + Reported by Eric Blake. + 2007-07-06 Eric Blake <ebb9@byu.net> Fix testing canonicalize on cygwin.
--- a/lib/sys_time_.h +++ b/lib/sys_time_.h @@ -18,31 +18,35 @@ /* Written by Paul Eggert. */ -#ifndef _GL_SYS_TIME_H +#if defined _GL_SYS_TIME_H -/* The include_next requires a split double-inclusion guard. */ -#if @HAVE_SYS_TIME_H@ -# @INCLUDE_NEXT@ @NEXT_SYS_TIME_H@ +/* Simply delegate to the system's header, without adding anything. */ +# if @HAVE_SYS_TIME_H@ +# @INCLUDE_NEXT@ @NEXT_SYS_TIME_H@ +# endif + #else -# include <time.h> -#endif + +# define _GL_SYS_TIME_H -#ifndef _GL_SYS_TIME_H -#define _GL_SYS_TIME_H +# if @HAVE_SYS_TIME_H@ +# @INCLUDE_NEXT@ @NEXT_SYS_TIME_H@ +# else +# include <time.h> +# endif -#if ! @HAVE_STRUCT_TIMEVAL@ +# if ! @HAVE_STRUCT_TIMEVAL@ struct timeval { time_t tv_sec; long int tv_usec; }; -#endif +# endif -#if @REPLACE_GETTIMEOFDAY@ -# undef gettimeofday -# define gettimeofday rpl_gettimeofday +# if @REPLACE_GETTIMEOFDAY@ +# undef gettimeofday +# define gettimeofday rpl_gettimeofday int gettimeofday (struct timeval *restrict, void *restrict); -#endif +# endif #endif /* _GL_SYS_TIME_H */ -#endif /* _GL_SYS_TIME_H */