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Merge from gnulib.

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Paul Eggert 2013-03-23 17:49:50 -07:00
parent 789b5e9a7f
commit f8ce376ec8
3 changed files with 24 additions and 6 deletions
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5
ChangeLog
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@ -1,3 +1,8 @@
2013-03-24 Paul Eggert <eggert@cs.ucla.edu>
Merge from gnulib, incorporating:
2013-03-21 sys_select, sys_time: port 2013-01-30 fix to Cygwin
2013-03-18 Paul Eggert <eggert@cs.ucla.edu>
Fix bug when building Emacs with a GNU Make submake (Bug#13962).

16
lib/sys_select.in.h
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@ -21,23 +21,27 @@
/* On OSF/1 and Solaris 2.6, <sys/types.h> and <sys/time.h>
both include <sys/select.h>.
On Cygwin, <sys/time.h> includes <sys/select.h>.
Simply delegate to the system's header in this case. */
#if (@HAVE_SYS_SELECT_H@ \
&& ((defined __osf__ && defined _SYS_TYPES_H_ && defined _OSF_SOURCE) \
&& ((defined __osf__ && defined _SYS_TYPES_H_ \
&& !defined _GL_SYS_SELECT_H_REDIRECT_FROM_SYS_TIME_H \
&& defined _OSF_SOURCE) \
|| (defined __sun && defined _SYS_TYPES_H \
&& (! (defined _XOPEN_SOURCE || defined _POSIX_C_SOURCE) \
|| defined __EXTENSIONS__))) \
&& !defined _GL_SYS_SELECT_H_REDIRECT_FROM_SYS_TYPES_H)
|| defined __EXTENSIONS__))))
# define _GL_SYS_SELECT_H_REDIRECT_FROM_SYS_TYPES_H
# @INCLUDE_NEXT@ @NEXT_SYS_SELECT_H@
#elif (@HAVE_SYS_SELECT_H@ \
&& ((defined __osf__ && defined _SYS_TIME_H_ && defined _OSF_SOURCE) \
&& (defined _CYGWIN_SYS_TIME_H \
|| (defined __osf__ && defined _SYS_TIME_H_ \
&& !defined _GL_SYS_SELECT_H_REDIRECT_FROM_SYS_TIME_H \
&& defined _OSF_SOURCE) \
|| (defined __sun && defined _SYS_TIME_H \
&& (! (defined _XOPEN_SOURCE || defined _POSIX_C_SOURCE) \
|| defined __EXTENSIONS__))) \
&& !defined _GL_SYS_SELECT_H_REDIRECT_FROM_SYS_TIME_H)
|| defined __EXTENSIONS__))))
# define _GL_SYS_SELECT_H_REDIRECT_FROM_SYS_TIME_H
# @INCLUDE_NEXT@ @NEXT_SYS_SELECT_H@

9
lib/sys_time.in.h
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@ -24,6 +24,14 @@
#endif
@PRAGMA_COLUMNS@
/* On Cygwin, <sys/time.h> includes itself recursively via <sys/select.h>.
Simply delegate to the system's header in this case; it is a no-op.
Without this extra ifdef, the C++ gettimeofday declaration below
would be a forward declaration in gnulib's nested <sys/time.h>. */
#ifdef _CYGWIN_SYS_TIME_H
# @INCLUDE_NEXT@ @NEXT_SYS_TIME_H@
#else
/* The include_next requires a split double-inclusion guard. */
#if @HAVE_SYS_TIME_H@
# @INCLUDE_NEXT@ @NEXT_SYS_TIME_H@
@ -200,4 +208,5 @@ _GL_WARN_ON_USE (gettimeofday, "gettimeofday is unportable - "
#endif
#endif /* _@GUARD_PREFIX@_SYS_TIME_H */
#endif /* _CYGWIN_SYS_TIME_H */
#endif /* _@GUARD_PREFIX@_SYS_TIME_H */