diff options
Diffstat (limited to 'crypto/heimdal/cf/check-var.m4')
| -rw-r--r-- | crypto/heimdal/cf/check-var.m4 | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/crypto/heimdal/cf/check-var.m4 b/crypto/heimdal/cf/check-var.m4 index e409067..1960f72 100644 --- a/crypto/heimdal/cf/check-var.m4 +++ b/crypto/heimdal/cf/check-var.m4 @@ -1,13 +1,20 @@ -dnl $Id: check-var.m4,v 1.6 2001/08/21 12:00:16 joda Exp $ +dnl $Id: check-var.m4,v 1.7 2003/02/17 00:44:57 lha Exp $ 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_TRY_LINK([$2 + void * foo() { return &$1; }], + [foo()], + ac_cv_var_$1=yes, ac_cv_var_$1=no)]) +if test "$ac_cv_var_$1" != yes ; then AC_TRY_LINK([extern int $1; int foo() { 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) @@ -19,4 +26,4 @@ fi ]) AC_WARNING_ENABLE([obsolete]) -AU_DEFUN([AC_CHECK_VAR], [rk_CHECK_VAR([$2], [$1])], [foo])
\ No newline at end of file +AU_DEFUN([AC_CHECK_VAR], [rk_CHECK_VAR([$2], [$1])], [foo]) |
