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-rw-r--r--ares/acinclude.m420
1 files changed, 9 insertions, 11 deletions
diff --git a/ares/acinclude.m4 b/ares/acinclude.m4
index 31972aa36..2d4aa918f 100644
--- a/ares/acinclude.m4
+++ b/ares/acinclude.m4
@@ -125,19 +125,17 @@ dnl CARES_CHECK_CONSTANT(headers, constant name, if found, [if not found])
AC_DEFUN([CARES_CHECK_CONSTANT], [
AC_MSG_CHECKING([for $2])
- AC_TRY_RUN(
- [
+ AC_EGREP_CPP(VARIABLEWASDEFINED,
+ [
$1
- int main()
- {
- #ifdef $2
- return 0;
- #else
- return 1;
- #endif
- }
- ], ac_constant="yes", ac_constant="no")
+ #ifdef $2
+ VARIABLEWASDEFINED
+ #else
+ NJET
+ #endif
+ ], ac_constant="yes", ac_constant="no"
+ )
if test "$ac_constant" = "yes" ; then
AC_MSG_RESULT(yes)
$3