[hcoop/debian/openafs.git] / src / cf / have-struct-field.m4

dnl Borrowed from Heimdal, but renamed as I don't think we
dnl should be shipping AC_ macros.

AC_DEFUN([OPENAFS_HAVE_STRUCT_FIELD], [
define(cache_val, translit(ac_cv_type_$1_$2, [A-Z ], [a-z_]))
AC_CACHE_CHECK([for $2 in $1], cache_val,[
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[$3]],
        [[$1 x; memset(&x, 0, sizeof(x)); x.$2]])],
        [cache_val=yes],
        [cache_val=no])
])
if test "$cache_val" = yes; then
        define(foo, translit(HAVE_$1_$2, [a-z ], [A-Z_]))
        AC_DEFINE(foo, 1, [Define if $1 has field $2.])
        undefine([foo])
fi
undefine([cache_val])
])
Commit	Line	Data
805e021f CE	1	dnl Borrowed from Heimdal, but renamed as I don't think we
	2	dnl should be shipping AC_ macros.
	3
	4	AC_DEFUN([OPENAFS_HAVE_STRUCT_FIELD], [
	5	define(cache_val, translit(ac_cv_type_$1_$2, [A-Z ], [a-z_]))
	6	AC_CACHE_CHECK([for $2 in $1], cache_val,[
	7	AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[$3]],
	8	[[$1 x; memset(&x, 0, sizeof(x)); x.$2]])],
	9	[cache_val=yes],
	10	[cache_val=no])
	11	])
	12	if test "$cache_val" = yes; then
	13	define(foo, translit(HAVE_$1_$2, [a-z ], [A-Z_]))
	14	AC_DEFINE(foo, 1, [Define if $1 has field $2.])
	15	undefine([foo])
	16	fi
	17	undefine([cache_val])
	18	])
	19