From: Alberto Garcia <berto@igalia.com>
Subject: Don't try to use PATH_MAX in the Hurd
Bug-Debian: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=978098
Bug: https://bugs.webkit.org/show_bug.cgi?id=219572
Index: webkitgtk/Source/WebCore/platform/text/hyphen/HyphenationLibHyphen.cpp
===================================================================
--- webkitgtk.orig/Source/WebCore/platform/text/hyphen/HyphenationLibHyphen.cpp
+++ webkitgtk/Source/WebCore/platform/text/hyphen/HyphenationLibHyphen.cpp
@@ -72,11 +72,21 @@ static void scanDirectoryForDictionaries
             continue;
 
         auto filePath = FileSystem::pathByAppendingComponent(directoryPathString, fileName);
+#if OS(HURD)
+        char *normalizedPath;
+        normalizedPath = realpath(FileSystem::fileSystemRepresentation(filePath).data(), NULL);
+        if (!normalizedPath)
+            continue;
+
+        filePath = FileSystem::stringFromFileSystemRepresentation(normalizedPath);
+        free(normalizedPath);
+#else
         char normalizedPath[PATH_MAX];
         if (!realpath(FileSystem::fileSystemRepresentation(filePath).data(), normalizedPath))
             continue;
 
         filePath = FileSystem::stringFromFileSystemRepresentation(normalizedPath);
+#endif
         availableLocales.add(locale, Vector<String>()).iterator->value.append(filePath);
 
         String localeReplacingUnderscores = makeStringByReplacingAll(locale, '_', '-');
Index: webkitgtk/Source/WTF/wtf/posix/FileSystemPOSIX.cpp
===================================================================
--- webkitgtk.orig/Source/WTF/wtf/posix/FileSystemPOSIX.cpp
+++ webkitgtk/Source/WTF/wtf/posix/FileSystemPOSIX.cpp
@@ -50,6 +50,10 @@
 #include <glib.h>
 #endif
 
+#if OS(HURD)
+#define PATH_MAX 4096
+#endif
+
 namespace WTF {
 
 namespace FileSystemImpl {