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-rw-r--r--ares/configure.ac38
1 files changed, 21 insertions, 17 deletions
diff --git a/ares/configure.ac b/ares/configure.ac
index 84ee73574..53cbe6a6a 100644
--- a/ares/configure.ac
+++ b/ares/configure.ac
@@ -792,23 +792,27 @@ AC_CHECK_MEMBER(struct addrinfo.ai_flags,
)
-AC_CHECK_FUNCS( bitncmp \
- gettimeofday \
- if_indextoname,
-dnl if found
-[],
-dnl if not found, $ac_func is the name we check for
-func="$ac_func"
-AC_MSG_CHECKING([deeper for $func])
-AC_TRY_LINK( [],
- [ $func ();],
- AC_MSG_RESULT(yes!)
- eval "ac_cv_func_$func=yes"
- def=`echo "HAVE_$func" | tr 'a-z' 'A-Z'`
- AC_DEFINE_UNQUOTED($def, 1, [If you have $func]),
- AC_MSG_RESULT(but still no)
- )
-)
+AC_CHECK_FUNCS([bitncmp \
+ gettimeofday \
+ if_indextoname
+],[
+],[
+ func="$ac_func"
+ AC_MSG_CHECKING([deeper for $func])
+ AC_LINK_IFELSE([
+ AC_LANG_PROGRAM([[
+ ]],[[
+ $func ();
+ ]])
+ ],[
+ AC_MSG_RESULT([yes])
+ eval "ac_cv_func_$func=yes"
+ AC_DEFINE_UNQUOTED([AS_TR_CPP([HAVE_$func])], [1],
+ [Define to 1 if you have the $func function.])
+ ],[
+ AC_MSG_RESULT([but still no])
+ ])
+])
dnl check for inet_pton