d01b7f137f
git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@15422 ec53bebd-3082-4978-b11e-865c3cabbd6b
28 lines
783 B
Plaintext
28 lines
783 B
Plaintext
dnl $Id$
|
|
dnl
|
|
dnl rk_CHECK_VAR(variable, includes)
|
|
AC_DEFUN([rk_CHECK_VAR], [
|
|
AC_MSG_CHECKING(for $1)
|
|
AC_CACHE_VAL(ac_cv_var_$1, [
|
|
m4_ifval([$2],[
|
|
AC_LINK_IFELSE([AC_LANG_PROGRAM([[$2
|
|
void * foo(void) { return &$1; }]],[[foo()]])],
|
|
[ac_cv_var_$1=yes],[ac_cv_var_$1=no])])
|
|
if test "$ac_cv_var_$1" != yes ; then
|
|
AC_LINK_IFELSE([AC_LANG_PROGRAM([[extern int $1;
|
|
int foo(void) { return $1; }]],[[foo()]])],
|
|
[ac_cv_var_$1=yes],[ac_cv_var_$1=no])
|
|
fi
|
|
])
|
|
ac_foo=`eval echo \\$ac_cv_var_$1`
|
|
AC_MSG_RESULT($ac_foo)
|
|
if test "$ac_foo" = yes; then
|
|
AC_DEFINE_UNQUOTED(AS_TR_CPP(HAVE_[]$1), 1,
|
|
[Define if you have the `]$1[' variable.])
|
|
m4_ifval([$2], AC_CHECK_DECLS([$1],[],[],[$2]))
|
|
fi
|
|
])
|
|
|
|
AC_WARNING_ENABLE([obsolete])
|
|
AU_DEFUN([AC_CHECK_VAR], [rk_CHECK_VAR([$2], [$1])], [foo])
|