diff options
Diffstat (limited to 'm4/ioctl_request.m4')
| -rw-r--r-- | m4/ioctl_request.m4 | 26 |
1 files changed, 11 insertions, 15 deletions
diff --git a/m4/ioctl_request.m4 b/m4/ioctl_request.m4 index c6d12258e..b90559592 100644 --- a/m4/ioctl_request.m4 +++ b/m4/ioctl_request.m4 @@ -34,19 +34,15 @@ dnl well. dnl Usage AC_IOCTL_REQUEST AC_DEFUN([AC_IOCTL_REQUEST], [ - AC_CACHE_CHECK([type of request parameter for ioctl()], - ac_cv_ioctl_request, - [for ac_ioctl_request_type in "unsigned long" "int" - do - AC_LINK_IFELSE([AC_LANG_PROGRAM([[ - #include <sys/ioctl.h> - int ioctl(int fd, $ac_ioctl_request_type request, ...); - ]], [[]])],[ac_cv_ioctl_request=$ac_ioctl_request_type],[]) - done]) - - if test "x$ac_cv_ioctl_request" = "x"; then - AC_MSG_ERROR([Unable to determine the type for ioctl() request parameter]) - fi - - AC_DEFINE_UNQUOTED([IOCTL_REQUEST_TYPE], $ac_cv_ioctl_request, [Type of the request parameter for ioctl()]) + AC_CACHE_CHECK([type of request parameter for ioctl()], [ac_cv_ioctl_request], [ + for ac_ioctl_request_type in "unsigned long" "int"; do + AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <sys/ioctl.h> + int ioctl(int fd, $ac_ioctl_request_type request, ...);]], [[]])], + [ac_cv_ioctl_request=$ac_ioctl_request_type], []) + done + if test "x$ac_cv_ioctl_request" = "x"; then + AC_MSG_ERROR([Unable to determine the type for ioctl() request parameter]) + fi + ]) + AC_DEFINE_UNQUOTED([IOCTL_REQUEST_TYPE], [$ac_cv_ioctl_request], [Type of the request parameter for ioctl()]) ]) |