gstreamer/m4/gst-fionread.m4
Tim-Philipp Müller 5776632762 m4: fix 'suspicious cache id' warnings
and update common to pull in a similar fix. Also check in configure
whether the compiler supports do while macros (GLib wants this
defined and it is needed to avoid warnings with some c++ compilers
apparently).
2009-05-22 01:31:47 +01:00

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AC_DEFUN([GST_CHECK_FIONREAD], [
AC_MSG_CHECKING(for FIONREAD in sys/ioctl.h)
AC_CACHE_VAL(_cv_gst_fionread_in_sys_ioctl, [
AC_TRY_COMPILE([
#include <sys/types.h>
#include <sys/ioctl.h>
], [
int x = FIONREAD;
if ( x )
return 0;
], _cv_gst_fionread_in_sys_ioctl="yes",_cv_gst_fionread_in_sys_ioctl="no")
])
AC_MSG_RESULT($_cv_gst_fionread_in_sys_ioctl)
if test "$_cv_gst_fionread_in_sys_ioctl" = "yes"; then
AC_DEFINE([HAVE_FIONREAD_IN_SYS_IOCTL], 1, [FIONREAD ioctl found in sys/ioclt.h])
else
AC_MSG_CHECKING(for FIONREAD in sys/filio.h)
AC_CACHE_VAL(_cv_gst_fionread_in_sys_filio, [
AC_TRY_COMPILE([
#include <sys/types.h>
#include <sys/filio.h>
], [
int x = FIONREAD;
if ( x )
return 0;
], _cv_gst_fionread_in_sys_filio="yes",_cv_gst_fionread_in_sys_filio="no")
])
AC_MSG_RESULT($_cv_gst_fionread_in_sys_filio)
if test "$_cv_gst_fionread_in_sys_filio" = "yes"; then
AC_DEFINE([HAVE_FIONREAD_IN_SYS_FILIO], 1, [FIONREAD ioctl found in sys/filio.h])
fi
fi
])