File: TestForStandardHeaderwait.cmake

package info (click to toggle)
plplot 5.15.0%2Bdfsg-19
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 31,312 kB
  • sloc: ansic: 79,707; xml: 28,583; cpp: 20,033; ada: 19,456; tcl: 12,081; f90: 11,431; ml: 7,276; java: 6,863; python: 6,792; sh: 3,274; perl: 828; lisp: 75; makefile: 50; sed: 34; fortran: 5
file content (47 lines) | stat: -rw-r--r-- 1,351 bytes parent folder | download | duplicates (20)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
# cmake/modules/CheckHEADER_SYS_WAIT.cmake
#
# Copyright (C) 2006  Alan W. Irwin
#
# This file is part of PLplot.
#
# PLplot is free software; you can redistribute it and/or modify
# it under the terms of the GNU Library General Public License as published
# by the Free Software Foundation; version 2 of the License.
#
# PLplot is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU Library General Public License for more details.
#
# You should have received a copy of the GNU Library General Public License
# along with the file PLplot; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301  USA

#
# - Check for sys/wait.h that is POSIX.1 compatible following autotools
#   AC_HEADER_SYS_WAIT

include(CheckCSourceCompiles)

set(_CHECK_HEADER_SYS_WAIT_SOURCE_CODE "
#include <sys/types.h>
#include <sys/wait.h>
#ifndef WEXITSTATUS
# define WEXITSTATUS(stat_val) ((unsigned)(stat_val) >> 8)
#endif
#ifndef WIFEXITED
# define WIFEXITED(stat_val) (((stat_val) & 255) == 0)
#endif
int
main ()
{
  int s;
  wait (&s);
  s = WIFEXITED (s) ? WEXITSTATUS (s) : 1;
  ;
  return 0;
}
")
check_c_source_compiles(
"${_CHECK_HEADER_SYS_WAIT_SOURCE_CODE}"
HAVE_SYS_WAIT_H)