X-Git-Url: https://git.distorted.org.uk/~mdw/secnet/blobdiff_plain/2b8aa340af8302c41ff3b18d10f608672590c764..1fc8a4acb3ef658696038c9c4bd3c155fbc27ac3:/configure

diff --git a/configure b/configure
index cf4e581..5ce013e 100755
--- a/configure
+++ b/configure
@@ -1863,52 +1863,6 @@ fi
 
 } # ac_fn_c_try_link
 
-# ac_fn_c_check_decl LINENO SYMBOL VAR INCLUDES
-# ---------------------------------------------
-# Tests whether SYMBOL is declared in INCLUDES, setting cache variable VAR
-# accordingly.
-ac_fn_c_check_decl ()
-{
-  as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
-  as_decl_name=`echo $2|sed 's/ *(.*//'`
-  as_decl_use=`echo $2|sed -e 's/(/((/' -e 's/)/) 0&/' -e 's/,/) 0& (/g'`
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $as_decl_name is declared" >&5
-$as_echo_n "checking whether $as_decl_name is declared... " >&6; }
-if eval \${$3+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-$4
-int
-main ()
-{
-#ifndef $as_decl_name
-#ifdef __cplusplus
-  (void) $as_decl_use;
-#else
-  (void) $as_decl_name;
-#endif
-#endif
-
-  ;
-  return 0;
-}
-_ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
-  eval "$3=yes"
-else
-  eval "$3=no"
-fi
-rm -f core conftest.err conftest.$ac_objext 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_decl
-
 # ac_fn_c_check_func LINENO FUNC VAR
 # ----------------------------------
 # Tests whether FUNC exists, setting the cache variable VAR accordingly
@@ -1975,6 +1929,52 @@ $as_echo "$ac_res" >&6; }
   eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
 
 } # ac_fn_c_check_func
+
+# ac_fn_c_check_decl LINENO SYMBOL VAR INCLUDES
+# ---------------------------------------------
+# Tests whether SYMBOL is declared in INCLUDES, setting cache variable VAR
+# accordingly.
+ac_fn_c_check_decl ()
+{
+  as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
+  as_decl_name=`echo $2|sed 's/ *(.*//'`
+  as_decl_use=`echo $2|sed -e 's/(/((/' -e 's/)/) 0&/' -e 's/,/) 0& (/g'`
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $as_decl_name is declared" >&5
+$as_echo_n "checking whether $as_decl_name is declared... " >&6; }
+if eval \${$3+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+$4
+int
+main ()
+{
+#ifndef $as_decl_name
+#ifdef __cplusplus
+  (void) $as_decl_use;
+#else
+  (void) $as_decl_name;
+#endif
+#endif
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+  eval "$3=yes"
+else
+  eval "$3=no"
+fi
+rm -f core conftest.err conftest.$ac_objext 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_decl
 cat >config.log <<_ACEOF
 This file contains any messages produced by compilers while
 running configure, to aid debugging if configure makes a mistake.
@@ -3806,16 +3806,16 @@ fi
 
 done
 
-for ac_header in linux/if.h
+for ac_header in linux/if_tun.h
 do :
-  ac_fn_c_check_header_compile "$LINENO" "linux/if.h" "ac_cv_header_linux_if_h" "#if HAVE_SYS_SOCKET_H
+  ac_fn_c_check_header_compile "$LINENO" "linux/if_tun.h" "ac_cv_header_linux_if_tun_h" "#if HAVE_SYS_SOCKET_H
 # include <sys/socket.h>
 #endif
 
 "
-if test "x$ac_cv_header_linux_if_h" = xyes; then :
+if test "x$ac_cv_header_linux_if_tun_h" = xyes; then :
   cat >>confdefs.h <<_ACEOF
-#define HAVE_LINUX_IF_H 1
+#define HAVE_LINUX_IF_TUN_H 1
 _ACEOF
 
 fi
@@ -4522,7 +4522,14 @@ fi
 if test "$ac_cv_lib_fl_yywrap" != yes; then
   as_fn_error $? "A compatible libfl is required" "$LINENO" 5
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for inet_ntoa in -lnsl" >&5
+
+
+ ac_fn_c_check_func "$LINENO" "inet_ntoa" "ac_cv_func_inet_ntoa"
+if test "x$ac_cv_func_inet_ntoa" = xyes; then :
+
+else
+
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for inet_ntoa in -lnsl" >&5
 $as_echo_n "checking for inet_ntoa in -lnsl... " >&6; }
 if ${ac_cv_lib_nsl_inet_ntoa+:} false; then :
   $as_echo_n "(cached) " >&6
@@ -4559,14 +4566,22 @@ fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_nsl_inet_ntoa" >&5
 $as_echo "$ac_cv_lib_nsl_inet_ntoa" >&6; }
 if test "x$ac_cv_lib_nsl_inet_ntoa" = xyes; then :
-  cat >>confdefs.h <<_ACEOF
-#define HAVE_LIBNSL 1
-_ACEOF
 
-  LIBS="-lnsl $LIBS"
+  LIBS="-lnsl $LIBS";
+  { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: inet_ntoa is in libnsl, urgh.  Must use -lnsl." >&5
+$as_echo "$as_me: WARNING: inet_ntoa is in libnsl, urgh.  Must use -lnsl." >&2;}
+
+else
+
+    as_fn_error $? "cannot find library function inet_ntoa" "$LINENO" 5
 
 fi
 
+
+fi
+
+
+
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for socket in -lsocket" >&5
 $as_echo_n "checking for socket in -lsocket... " >&6; }
 if ${ac_cv_lib_socket_socket+:} false; then :
@@ -4612,7 +4627,14 @@ _ACEOF
 
 fi
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for inet_aton in -lresolv" >&5
+
+
+ ac_fn_c_check_func "$LINENO" "inet_aton" "ac_cv_func_inet_aton"
+if test "x$ac_cv_func_inet_aton" = xyes; then :
+
+else
+
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for inet_aton in -lresolv" >&5
 $as_echo_n "checking for inet_aton in -lresolv... " >&6; }
 if ${ac_cv_lib_resolv_inet_aton+:} false; then :
   $as_echo_n "(cached) " >&6
@@ -4649,14 +4671,22 @@ fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_resolv_inet_aton" >&5
 $as_echo "$ac_cv_lib_resolv_inet_aton" >&6; }
 if test "x$ac_cv_lib_resolv_inet_aton" = xyes; then :
-  cat >>confdefs.h <<_ACEOF
-#define HAVE_LIBRESOLV 1
-_ACEOF
 
-  LIBS="-lresolv $LIBS"
+  LIBS="-lresolv $LIBS";
+  { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: inet_aton is in libresolv, urgh.  Must use -lresolv." >&5
+$as_echo "$as_me: WARNING: inet_aton is in libresolv, urgh.  Must use -lresolv." >&2;}
+
+else
+
+    as_fn_error $? "cannot find library function inet_aton" "$LINENO" 5
 
 fi
 
+
+fi
+
+
+
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for adns_init in -ladns" >&5
 $as_echo_n "checking for adns_init in -ladns... " >&6; }
 if ${ac_cv_lib_adns_adns_init+:} false; then :