diff options
Diffstat (limited to 'Build/source/libs/gd/libgd-src/cmake/modules/TestForStandardHeaderwait.cmake')
-rw-r--r-- | Build/source/libs/gd/libgd-src/cmake/modules/TestForStandardHeaderwait.cmake | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/Build/source/libs/gd/libgd-src/cmake/modules/TestForStandardHeaderwait.cmake b/Build/source/libs/gd/libgd-src/cmake/modules/TestForStandardHeaderwait.cmake new file mode 100644 index 00000000000..d3df427f9c8 --- /dev/null +++ b/Build/source/libs/gd/libgd-src/cmake/modules/TestForStandardHeaderwait.cmake @@ -0,0 +1,47 @@ +# 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) |