Adjust probe for getaddrinfo to cope with macro-ized definitions, such

as Tru64's.  Per previous discussion.

1 files changed, 23 insertions, 69 deletions

diff --git a/configure b/configure
index 1ec47c47d8..1dcb41871f 100755
--- a/configure
+++ b/configure
@@ -14160,66 +14160,26 @@ done
 
 # System's version of getaddrinfo(), if any, may be used only if we found
 # a definition for struct addrinfo; see notes in src/include/getaddrinfo.h.
-# (Note: the AC_REPLACE_FUNCS probe fails on Windows, where the available
+# (Note: the AC_TRY_LINK probe fails on Windows, where the available
 # versions of getaddrinfo don't follow normal C call protocol.  This is OK
 # because we want to use our own getaddrinfo.c on Windows anyway.)
 if test x"$ac_cv_type_struct_addrinfo" = xyes ; then
-
-for ac_func in getaddrinfo
-do
-as_ac_var=`echo "ac_cv_func_$ac_func" | $as_tr_sh`
-echo "$as_me:$LINENO: checking for $ac_func" >&5
-echo $ECHO_N "checking for $ac_func... $ECHO_C" >&6
-if eval "test \"\${$as_ac_var+set}\" = set"; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
-else
+    echo "$as_me:$LINENO: checking for getaddrinfo" >&5
+echo $ECHO_N "checking for getaddrinfo... $ECHO_C" >&6
   cat >conftest.$ac_ext <<_ACEOF
 /* confdefs.h.  */
 _ACEOF
 cat confdefs.h >>conftest.$ac_ext
 cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
-/* Define $ac_func to an innocuous variant, in case <limits.h> declares $ac_func.
-   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
-#define $ac_func innocuous_$ac_func
-
-/* System header to define __stub macros and hopefully few prototypes,
-    which can conflict with char $ac_func (); below.
-    Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
-    <limits.h> exists even on freestanding compilers.  */
-
-#ifdef __STDC__
-# include <limits.h>
-#else
-# include <assert.h>
-#endif
-
-#undef $ac_func
 
-/* Override any gcc2 internal prototype to avoid an error.  */
-#ifdef __cplusplus
-extern "C"
-{
-#endif
-/* We use char because int might match the return type of a gcc2
-   builtin and then its argument prototype would still apply.  */
-char $ac_func ();
-/* The GNU C library defines this for functions which it implements
-    to always fail with ENOSYS.  Some functions are actually named
-    something starting with __ and the normal name is an alias.  */
-#if defined (__stub_$ac_func) || defined (__stub___$ac_func)
-choke me
-#else
-char (*f) () = $ac_func;
-#endif
-#ifdef __cplusplus
-}
-#endif
+#include <sys/socket.h>
+#include <netdb.h>
 
 int
 main ()
 {
-return f != $ac_func;
+return getaddrinfo("", "", NULL, NULL) ? 0 : 1;
   ;
   return 0;
 }
@@ -14246,36 +14206,30 @@ if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
   ac_status=$?
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); }; }; then
-  eval "$as_ac_var=yes"
-else
-  echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
 
-eval "$as_ac_var=no"
-fi
-rm -f conftest.err conftest.$ac_objext \
-      conftest$ac_exeext conftest.$ac_ext
-fi
-echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_var'}'`" >&5
-echo "${ECHO_T}`eval echo '${'$as_ac_var'}'`" >&6
-if test `eval echo '${'$as_ac_var'}'` = yes; then
-  cat >>confdefs.h <<_ACEOF
-#define `echo "HAVE_$ac_func" | $as_tr_cpp` 1
+cat >>confdefs.h <<\_ACEOF
+#define HAVE_GETADDRINFO 1
 _ACEOF
 
+  echo "$as_me:$LINENO: result: yes" >&5
+echo "${ECHO_T}yes" >&6
 else
-  case $LIBOBJS in
-    "$ac_func.$ac_objext"   | \
-  *" $ac_func.$ac_objext"   | \
-    "$ac_func.$ac_objext "* | \
-  *" $ac_func.$ac_objext "* ) ;;
-  *) LIBOBJS="$LIBOBJS $ac_func.$ac_objext" ;;
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+echo "$as_me:$LINENO: result: no" >&5
+echo "${ECHO_T}no" >&6
+             case $LIBOBJS in
+    "getaddrinfo.$ac_objext"   | \
+  *" getaddrinfo.$ac_objext"   | \
+    "getaddrinfo.$ac_objext "* | \
+  *" getaddrinfo.$ac_objext "* ) ;;
+  *) LIBOBJS="$LIBOBJS getaddrinfo.$ac_objext" ;;
 esac
 
 fi
-done
-
-
+rm -f conftest.err conftest.$ac_objext \
+      conftest$ac_exeext conftest.$ac_ext
 else
   case $LIBOBJS in
     "getaddrinfo.$ac_objext"   | \