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#######################
# type alignment test #
#######################
AC_DEFUN([DBIND_CHECK_ALIGNOF],
[changequote(<<, >>)dnl
dnl The name to #define.
define(<<AC_TYPE_NAME>>,
translit(dbind_alignof_$1, [a-z *], [A-Z_P]))dnl
dnl The cache variable name.
define(<<AC_CV_NAME>>,
translit(ac_cv_alignof_$1, [ *], [_p]))dnl
changequote([, ])dnl
AC_MSG_CHECKING(alignment of $1)
AC_CACHE_VAL(AC_CV_NAME,
[AC_TRY_RUN(
[ #include <stdio.h>
#include <stdlib.h>
#define DBUS_API_SUBJECT_TO_CHANGE
#include <dbus/dbus.h>
typedef struct {char s1;} dbind_struct;
typedef void *dbind_pointer;
struct test {char s1; $1 s2;};
main()
{
FILE *f=fopen("conftestval", "w");
if (!f) exit(1);
fprintf(f, "%d\n", &(((struct test*)0)->s2));
exit(0);
} ],
AC_CV_NAME=`cat conftestval`,
AC_CV_NAME=0, AC_CV_NAME=0)
])dnl
AC_MSG_RESULT($AC_CV_NAME)
if test "$AC_CV_NAME" = "0" ; then
AC_MSG_ERROR([Failed to find alignment. Check config.log for details.])
fi
AC_TYPE_NAME=$AC_CV_NAME
AC_SUBST(AC_TYPE_NAME)
undefine([AC_TYPE_NAME])dnl
undefine([AC_CV_NAME])dnl
])
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