$NetBSD: patch-configure,v 1.3 2013/05/17 13:17:40 joerg Exp $

--- configure.orig	2013-03-29 23:27:02.000000000 +0000
+++ configure
@@ -1959,6 +1971,73 @@ $as_echo "$ac_res" >&6; }
   eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
 
 } # ac_fn_c_check_member
+
+# ac_fn_c_check_func LINENO FUNC VAR
+# ----------------------------------
+# Tests whether FUNC exists, setting the cache variable VAR accordingly
+ac_fn_c_check_func ()
+{
+  as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2" >&5
+$as_echo_n "checking for $2... " >&6; }
+if eval \${$3+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+/* Define $2 to an innocuous variant, in case <limits.h> declares $2.
+   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
+#define $2 innocuous_$2
+
+/* System header to define __stub macros and hopefully few prototypes,
+    which can conflict with char $2 (); 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 $2
+
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char $2 ();
+/* 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_$2 || defined __stub___$2
+choke me
+#endif
+
+int
+main ()
+{
+return $2 ();
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+  eval "$3=yes"
+else
+  eval "$3=no"
+fi
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
+fi
+eval ac_res=\$$3
+	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
+$as_echo "$ac_res" >&6; }
+  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
+
+} # ac_fn_c_check_func
 cat >config.log <<_ACEOF
 This file contains any messages produced by compilers while
 running configure, to aid debugging if configure makes a mistake.
@@ -11073,6 +11237,8 @@ ac_config_headers="$ac_config_headers do
 
 ac_config_headers="$ac_config_headers Xfuncproto.h"
 
+ac_config_headers="$ac_config_headers Xos_r.h"
+
 
 
 
@@ -11324,6 +11490,56 @@ $as_echo "#define NARROWPROTO /**/" >>co
 
 fi
 
+# Handle Xos_r.h
+ac_fn_c_check_func "$LINENO" "readdir_r" "ac_cv_func_readdir_r"
+if test "x$ac_cv_func_readdir_r" = xyes; then :
+
+$as_echo "#define _XOS_R_H_MTSAFE_DIRENTAPI /**/" >>confdefs.h
+
+fi
+
+ac_fn_c_check_func "$LINENO" "getgrgid_r" "ac_cv_func_getgrgid_r"
+if test "x$ac_cv_func_getgrgid_r" = xyes; then :
+
+$as_echo "#define _XOS_R_H_MTSAFE_GRPAPI /**/" >>confdefs.h
+
+fi
+
+ac_fn_c_check_func "$LINENO" "getpwuid_r" "ac_cv_func_getpwuid_r"
+if test "x$ac_cv_func_getpwuid_r" = xyes; then :
+
+$as_echo "#define _XOS_R_H_MTSAFE_PWDAPI /**/" >>confdefs.h
+
+fi
+
+ac_fn_c_check_func "$LINENO" "gethostbyname_r" "ac_cv_func_gethostbyname_r"
+if test "x$ac_cv_func_gethostbyname_r" = xyes; then :
+
+$as_echo "#define _XOS_R_H_MTSAFE_NETDBAPI /**/" >>confdefs.h
+
+fi
+
+ac_fn_c_check_func "$LINENO" "strtok_r" "ac_cv_func_strtok_r"
+if test "x$ac_cv_func_strtok_r" = xyes; then :
+
+$as_echo "#define _XOS_R_H_MTSAFE_STRINGAPI /**/" >>confdefs.h
+
+fi
+
+ac_fn_c_check_func "$LINENO" "gmtime_r" "ac_cv_func_gmtime_r"
+if test "x$ac_cv_func_gmtime_r" = xyes; then :
+
+$as_echo "#define _XOS_R_H_MTSAFE_TIMEAPI /**/" >>confdefs.h
+
+fi
+
+ac_fn_c_check_func "$LINENO" "ttyname_r" "ac_cv_func_ttyname_r"
+if test "x$ac_cv_func_ttyname_r" = xyes; then :
+
+$as_echo "#define _XOS_R_H_MTSAFE_UNISTDAPI /**/" >>confdefs.h
+
+fi
+
 
 ac_config_files="$ac_config_files Makefile specs/Makefile specs/SIAddresses/Makefile Xpoll.h xproto.pc"
 
@@ -12083,6 +12307,7 @@ do
     "depfiles") CONFIG_COMMANDS="$CONFIG_COMMANDS depfiles" ;;
     "do-not-use-config.h") CONFIG_HEADERS="$CONFIG_HEADERS do-not-use-config.h" ;;
     "Xfuncproto.h") CONFIG_HEADERS="$CONFIG_HEADERS Xfuncproto.h" ;;
+    "Xos_r.h") CONFIG_HEADERS="$CONFIG_HEADERS Xos_r.h" ;;
     "Makefile") CONFIG_FILES="$CONFIG_FILES Makefile" ;;
     "specs/Makefile") CONFIG_FILES="$CONFIG_FILES specs/Makefile" ;;
     "specs/SIAddresses/Makefile") CONFIG_FILES="$CONFIG_FILES specs/SIAddresses/Makefile" ;;