From bc2199b4587a538b76a04e82e75f0f687c7a7e0c Mon Sep 17 00:00:00 2001
From: Alberto Garcia <berto@igalia.com>
Date: Thu, 19 Sep 2024 19:11:43 +0200
Subject: [PATCH] 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

===================================================================

Gbp-Pq: Name fix-ftbfs-hurd.patch
---
 Source/WTF/wtf/posix/FileSystemPOSIX.cpp               |  4 ++++
 .../platform/text/hyphen/HyphenationLibHyphen.cpp      | 10 ++++++++++
 2 files changed, 14 insertions(+)

diff --git a/Source/WTF/wtf/posix/FileSystemPOSIX.cpp b/Source/WTF/wtf/posix/FileSystemPOSIX.cpp
index c6920fae4a..01c2de3b3c 100644
--- a/Source/WTF/wtf/posix/FileSystemPOSIX.cpp
+++ b/Source/WTF/wtf/posix/FileSystemPOSIX.cpp
@@ -51,6 +51,10 @@
 #include <glib.h>
 #endif
 
+#if OS(HURD)
+#define PATH_MAX 4096
+#endif
+
 namespace WTF {
 
 namespace FileSystemImpl {
diff --git a/Source/WebCore/platform/text/hyphen/HyphenationLibHyphen.cpp b/Source/WebCore/platform/text/hyphen/HyphenationLibHyphen.cpp
index 50da2aa25a..acf16ee322 100644
--- a/Source/WebCore/platform/text/hyphen/HyphenationLibHyphen.cpp
+++ b/Source/WebCore/platform/text/hyphen/HyphenationLibHyphen.cpp
@@ -73,11 +73,21 @@ static void scanDirectoryForDictionaries(const char* directoryPath, HashMap<Atom
             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, '_', '-');
-- 
2.30.2