script: fix compilation on GNU/Hurd (patch #7977) (thanks to Andrew Potter)

PATH_MAX is now defined in weechat-plugin.h (if not defined, for example on
GNU/Hurd), so that all plugins can use it.

ChangeLog

@@ -1,7 +1,7 @@
 WeeChat ChangeLog
 =================
 Sébastien Helleu <flashcode@flashtux.org>
-v0.4.1-dev, 2013-03-24
+v0.4.1-dev, 2013-03-25
 
 
 This document lists all changes for each version.
@@ -84,6 +84,7 @@ Version 0.4.1 (under dev!)
   "irc_message_auth")
 * ruby: fix crash with Ruby 2.0: use one array for the last 6 arguments of
   function config_new_option (bug #31050)
+* script: fix compilation on GNU/Hurd (patch #7977)
 * script: create "script" directory on each action, just in case it has been
   removed (bug #38472)
 * script: add option script.scripts.autoload, add options "autoload",

src/core/weechat.h

@@ -56,11 +56,9 @@
 #define WEECHAT_WEBSITE_DOWNLOAD "http://www.weechat.org/download"
 
 /* log file */
-
 #define WEECHAT_LOG_NAME "weechat.log"
 
 /* license */
-
 #define WEECHAT_LICENSE_TEXT \
     "WeeChat is free software; you can redistribute it and/or modify\n" \
     "it under the terms of the GNU General Public License as published by\n" \
@@ -77,7 +75,6 @@
     "along with WeeChat.  If not, see <http://www.gnu.org/licenses/>.\n\n"
 
 /* directory separator, depending on OS */
-
 #ifdef _WIN32
     #define DIR_SEPARATOR       "\\"
     #define DIR_SEPARATOR_CHAR  '\\'
@@ -86,18 +83,15 @@
     #define DIR_SEPARATOR_CHAR  '/'
 #endif
 
-/* some systems (like GNU/Hurd) doesn't define PATH_MAX */
-
+/* some systems like GNU/Hurd do not define PATH_MAX */
 #ifndef PATH_MAX
     #define PATH_MAX 4096
 #endif
 
 /* internal charset */
-
 #define WEECHAT_INTERNAL_CHARSET "UTF-8"
 
 /* global variables and functions */
-
 extern int weechat_debug_core;
 extern char *weechat_argv0;
 extern int weechat_upgrading;

src/plugins/weechat-plugin.h

@@ -24,6 +24,11 @@
 
 #include <sys/types.h>
 
+/* some systems like GNU/Hurd do not define PATH_MAX */
+#ifndef PATH_MAX
+    #define PATH_MAX 4096
+#endif
+
 struct t_config_option;
 struct t_gui_window;
 struct t_gui_buffer;