Added autoconf goo to detect availability of getaddrinfo

1 files changed, 165 insertions, 0 deletions

diff --git a/unix/configure b/unix/configure
index faa8fdd..74e877b 100755
--- a/unix/configure
+++ b/unix/configure
@@ -10272,6 +10272,171 @@ _ACEOF
 fi
 
 
+echo "$as_me:$LINENO: checking for getaddrinfo" >&5
+echo $ECHO_N "checking for getaddrinfo... $ECHO_C" >&6
+if test "${ac_cv_func_getaddrinfo+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+/* Define getaddrinfo to an innocuous variant, in case <limits.h> declares getaddrinfo.
+   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
+#define getaddrinfo innocuous_getaddrinfo
+
+/* System header to define __stub macros and hopefully few prototypes,
+    which can conflict with char getaddrinfo (); 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 getaddrinfo
+
+/* 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 getaddrinfo ();
+/* 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_getaddrinfo) || defined (__stub___getaddrinfo)
+choke me
+#else
+char (*f) () = getaddrinfo;
+#endif
+#ifdef __cplusplus
+}
+#endif
+
+int
+main ()
+{
+return f != getaddrinfo;
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
+  (eval $ac_link) 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } &&
+	 { ac_try='test -z "$ac_c_werror_flag"
+			 || test ! -s conftest.err'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } &&
+	 { ac_try='test -s conftest$ac_exeext'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  ac_cv_func_getaddrinfo=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+ac_cv_func_getaddrinfo=no
+fi
+rm -f conftest.err conftest.$ac_objext \
+      conftest$ac_exeext conftest.$ac_ext
+fi
+echo "$as_me:$LINENO: result: $ac_cv_func_getaddrinfo" >&5
+echo "${ECHO_T}$ac_cv_func_getaddrinfo" >&6
+if test $ac_cv_func_getaddrinfo = yes; then
+
+    echo "$as_me:$LINENO: checking for getaddrinfo" >&5
+echo $ECHO_N "checking for getaddrinfo... $ECHO_C" >&6
+if test "${tcl_cv_api_getaddrinfo+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+
+    cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+
+	#include <netdb.h>
+
+int
+main ()
+{
+
+	const char *name, *port;
+	struct addrinfo *aiPtr, hints;
+	(void)getaddrinfo(name,port, &hints, &aiPtr);
+	(void)freeaddrinfo(aiPtr);
+
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
+  (eval $ac_compile) 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } &&
+	 { ac_try='test -z "$ac_c_werror_flag"
+			 || test ! -s conftest.err'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } &&
+	 { ac_try='test -s conftest.$ac_objext'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  tcl_cv_api_getaddrinfo=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+tcl_cv_getaddrinfo=no
+fi
+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+echo "$as_me:$LINENO: result: $tcl_cv_api_getaddrinfo" >&5
+echo "${ECHO_T}$tcl_cv_api_getaddrinfo" >&6
+    tcl_ok=$tcl_cv_api_getaddrinfo
+    if test "$tcl_ok" = yes; then
+
+cat >>confdefs.h <<\_ACEOF
+#define HAVE_GETADDRINFO 1
+_ACEOF
+
+    fi
+
+fi
+
+
 #--------------------------------------------------------------------
 #	Look for thread-safe variants of some library functions.
 #--------------------------------------------------------------------