projects / thirdparty / bash.git / blame
| Commit | Line | Data |
|---|---|---|
| ac50fbac CR |
1 | # Configure checks for struct timespec |
| 2 | ||
| 3 | # Copyright (C) 2000-2001, 2003-2007, 2009-2011, 2012 Free Software Foundation, Inc. | |
| 4 | ||
| 5 | # This file is free software; the Free Software Foundation | |
| 6 | # gives unlimited permission to copy and/or distribute it, | |
| 7 | # with or without modifications, as long as this notice is preserved. | |
| 8 | ||
| 9 | # Original written by Paul Eggert and Jim Meyering. | |
| 10 | # Modified by Chet Ramey for bash | |
| 11 | ||
| 12 | dnl Define HAVE_STRUCT_TIMESPEC if `struct timespec' is declared | |
| 13 | dnl in time.h, sys/time.h, or pthread.h. | |
| 14 | ||
| 15 | AC_DEFUN([BASH_CHECK_TYPE_STRUCT_TIMESPEC], | |
| 16 | [ | |
| 17 | AC_CHECK_HEADERS_ONCE([sys/time.h]) | |
| 18 | AC_CACHE_CHECK([for struct timespec in <time.h>], | |
| 19 | [bash_cv_sys_struct_timespec_in_time_h], | |
| 20 | [AC_COMPILE_IFELSE( | |
| 21 | [AC_LANG_PROGRAM( | |
| 22 | [[#include <time.h> | |
| 23 | ]], | |
| 24 | [[static struct timespec x; x.tv_sec = x.tv_nsec;]])], | |
| 25 | [bash_cv_sys_struct_timespec_in_time_h=yes], | |
| 26 | [bash_cv_sys_struct_timespec_in_time_h=no])]) | |
| 27 | ||
| 28 | HAVE_STRUCT_TIMESPEC=0 | |
| 29 | TIME_H_DEFINES_STRUCT_TIMESPEC=0 | |
| 30 | SYS_TIME_H_DEFINES_STRUCT_TIMESPEC=0 | |
| 31 | PTHREAD_H_DEFINES_STRUCT_TIMESPEC=0 | |
| 32 | if test $bash_cv_sys_struct_timespec_in_time_h = yes; then | |
| 33 | AC_DEFINE([HAVE_STRUCT_TIMESPEC]) | |
| 34 | AC_DEFINE([TIME_H_DEFINES_STRUCT_TIMESPEC]) | |
| 35 | TIME_H_DEFINES_STRUCT_TIMESPEC=1 | |
| 36 | else | |
| 37 | AC_CACHE_CHECK([for struct timespec in <sys/time.h>], | |
| 38 | [bash_cv_sys_struct_timespec_in_sys_time_h], | |
| 39 | [AC_COMPILE_IFELSE( | |
| 40 | [AC_LANG_PROGRAM( | |
| 41 | [[#include <sys/time.h> | |
| 42 | ]], | |
| 43 | [[static struct timespec x; x.tv_sec = x.tv_nsec;]])], | |
| 44 | [bash_cv_sys_struct_timespec_in_sys_time_h=yes], | |
| 45 | [bash_cv_sys_struct_timespec_in_sys_time_h=no])]) | |
| 46 | if test $bash_cv_sys_struct_timespec_in_sys_time_h = yes; then | |
| 47 | SYS_TIME_H_DEFINES_STRUCT_TIMESPEC=1 | |
| 48 | AC_DEFINE([HAVE_STRUCT_TIMESPEC]) | |
| 49 | AC_DEFINE([SYS_TIME_H_DEFINES_STRUCT_TIMESPEC]) | |
| 50 | else | |
| 51 | AC_CACHE_CHECK([for struct timespec in <pthread.h>], | |
| 52 | [bash_cv_sys_struct_timespec_in_pthread_h], | |
| 53 | [AC_COMPILE_IFELSE( | |
| 54 | [AC_LANG_PROGRAM( | |
| 55 | [[#include <pthread.h> | |
| 56 | ]], | |
| 57 | [[static struct timespec x; x.tv_sec = x.tv_nsec;]])], | |
| 58 | [bash_cv_sys_struct_timespec_in_pthread_h=yes], | |
| 59 | [bash_cv_sys_struct_timespec_in_pthread_h=no])]) | |
| 60 | if test $bash_cv_sys_struct_timespec_in_pthread_h = yes; then | |
| 61 | PTHREAD_H_DEFINES_STRUCT_TIMESPEC=1 | |
| 62 | AC_DEFINE([HAVE_STRUCT_TIMESPEC]) | |
| 63 | AC_DEFINE([PTHREAD_H_DEFINES_STRUCT_TIMESPEC]) | |
| 64 | fi | |
| 65 | fi | |
| 66 | fi | |
| 67 | AC_SUBST([TIME_H_DEFINES_STRUCT_TIMESPEC]) | |
| 68 | AC_SUBST([SYS_TIME_H_DEFINES_STRUCT_TIMESPEC]) | |
| 69 | AC_SUBST([PTHREAD_H_DEFINES_STRUCT_TIMESPEC]) | |
| 70 | ||
| 71 | ]) |