diff -Nru xerces-c-3.1.1/debian/changelog xerces-c-3.1.1/debian/changelog
--- xerces-c-3.1.1/debian/changelog	2013-12-25 02:00:17.000000000 +0000
+++ xerces-c-3.1.1/debian/changelog	2014-01-08 20:48:52.000000000 +0000
@@ -1,3 +1,10 @@
+xerces-c (3.1.1-5) unstable; urgency=medium
+
+  * Apply upstream patch for PATH_MAX to enable compilation on GNU hurd.
+    (Closes: #636568)
+
+ -- Jay Berkenbilt <qjb@debian.org>  Wed, 08 Jan 2014 15:48:01 -0500
+
 xerces-c (3.1.1-4) unstable; urgency=low
 
   * Update standards version to 3.9.5.  Opting for shlibs files because of
diff -Nru xerces-c-3.1.1/debian/patches/hurd-path-max.patch xerces-c-3.1.1/debian/patches/hurd-path-max.patch
--- xerces-c-3.1.1/debian/patches/hurd-path-max.patch	1970-01-01 00:00:00.000000000 +0000
+++ xerces-c-3.1.1/debian/patches/hurd-path-max.patch	2014-01-08 20:48:52.000000000 +0000
@@ -0,0 +1,160 @@
+Description: check for PATH_MAX
+Bug: https://issues.apache.org/jira/browse/XERCESC-1998
+Bug-Debian: http://bugs.debian.org/636568
+Origin: upstream, http://svn.apache.org/viewvc/xerces/c/trunk/src/xercesc/util/FileManagers/PosixFileMgr.cpp?r1=673975&r2=1478186&pathrev=1478186&view=patch
+
+Index: xerces-c/src/xercesc/util/FileManagers/PosixFileMgr.cpp
+===================================================================
+--- xerces-c.orig/src/xercesc/util/FileManagers/PosixFileMgr.cpp	2014-01-08 15:44:25.211067958 -0500
++++ xerces-c/src/xercesc/util/FileManagers/PosixFileMgr.cpp	2014-01-08 15:44:25.207067926 -0500
+@@ -19,9 +19,16 @@
+  * $Id: PosixFileMgr.cpp 673975 2008-07-04 09:23:56Z borisk $
+  */
+ 
++#include <config.h>
+ #include <stdio.h>
++
++#if HAVE_UNISTD_H
+ #include <unistd.h>
++#endif
++
++#if HAVE_LIMITS_H
+ #include <limits.h>
++#endif
+ 
+ #include <xercesc/util/FileManagers/PosixFileMgr.hpp>
+ 
+@@ -74,7 +81,7 @@
+ PosixFileMgr::fileClose(FileHandle f, MemoryManager* const manager)
+ {
+     if (!f)
+-		ThrowXMLwithMemMgr(XMLPlatformUtilsException, XMLExcepts::CPtr_PointerIsZero, manager);
++        ThrowXMLwithMemMgr(XMLPlatformUtilsException, XMLExcepts::CPtr_PointerIsZero, manager);
+ 
+     if (fclose((FILE*)f))
+         ThrowXMLwithMemMgr(XMLPlatformUtilsException,
+@@ -86,7 +93,7 @@
+ PosixFileMgr::fileReset(FileHandle f, MemoryManager* const manager)
+ {
+     if (!f)
+-		ThrowXMLwithMemMgr(XMLPlatformUtilsException, XMLExcepts::CPtr_PointerIsZero, manager);
++        ThrowXMLwithMemMgr(XMLPlatformUtilsException, XMLExcepts::CPtr_PointerIsZero, manager);
+ 
+     // Seek to the start of the file
+     if (fseek((FILE*)f, 0, SEEK_SET))
+@@ -99,7 +106,7 @@
+ PosixFileMgr::curPos(FileHandle f, MemoryManager* const manager)
+ {
+     if (!f)
+-		ThrowXMLwithMemMgr(XMLPlatformUtilsException, XMLExcepts::CPtr_PointerIsZero, manager);
++        ThrowXMLwithMemMgr(XMLPlatformUtilsException, XMLExcepts::CPtr_PointerIsZero, manager);
+ 		 
+     long curPos = ftell((FILE*)f);
+ 	
+@@ -114,7 +121,7 @@
+ PosixFileMgr::fileSize(FileHandle f, MemoryManager* const manager)
+ {
+     if (!f)
+-		ThrowXMLwithMemMgr(XMLPlatformUtilsException, XMLExcepts::CPtr_PointerIsZero, manager);
++        ThrowXMLwithMemMgr(XMLPlatformUtilsException, XMLExcepts::CPtr_PointerIsZero, manager);
+ 		
+     // Get the current position
+     long curPos = ftell((FILE*)f);
+@@ -141,16 +148,16 @@
+ PosixFileMgr::fileRead(FileHandle f, XMLSize_t byteCount, XMLByte* buffer, MemoryManager* const manager)
+ {
+     if (!f || !buffer)
+-		ThrowXMLwithMemMgr(XMLPlatformUtilsException, XMLExcepts::CPtr_PointerIsZero, manager);
++        ThrowXMLwithMemMgr(XMLPlatformUtilsException, XMLExcepts::CPtr_PointerIsZero, manager);
+ 		
+     XMLSize_t bytesRead = 0;
+-	if (byteCount > 0)
+-	{
+-    	bytesRead = fread((void*)buffer, 1, byteCount, (FILE*)f);
+-
+-		if (ferror((FILE*)f))
+-			ThrowXMLwithMemMgr(XMLPlatformUtilsException, XMLExcepts::File_CouldNotReadFromFile, manager);
+-	}
++    if (byteCount > 0)
++    {
++        bytesRead = fread((void*)buffer, 1, byteCount, (FILE*)f);
++
++        if (ferror((FILE*)f))
++            ThrowXMLwithMemMgr(XMLPlatformUtilsException, XMLExcepts::File_CouldNotReadFromFile, manager);
++    }
+ 	
+     return bytesRead;
+ }
+@@ -160,17 +167,17 @@
+ PosixFileMgr::fileWrite(FileHandle f, XMLSize_t byteCount, const XMLByte* buffer, MemoryManager* const manager)
+ {
+     if (!f || !buffer)
+-		ThrowXMLwithMemMgr(XMLPlatformUtilsException, XMLExcepts::CPtr_PointerIsZero, manager);
++        ThrowXMLwithMemMgr(XMLPlatformUtilsException, XMLExcepts::CPtr_PointerIsZero, manager);
+ 
+     while (byteCount > 0)
+     {
+         XMLSize_t bytesWritten = fwrite(buffer, sizeof(XMLByte), byteCount, (FILE*)f);
+ 
+         if (ferror((FILE*)f))
+-			ThrowXMLwithMemMgr(XMLPlatformUtilsException, XMLExcepts::File_CouldNotWriteToFile, manager);
++            ThrowXMLwithMemMgr(XMLPlatformUtilsException, XMLExcepts::File_CouldNotWriteToFile, manager);
+ 
+-		buffer		+= bytesWritten;
+-		byteCount	-= bytesWritten;
++        buffer		+= bytesWritten;
++        byteCount	-= bytesWritten;
+     }
+ }
+ 
+@@ -186,28 +193,47 @@
+     char* newSrc = XMLString::transcode(srcPath, manager);
+     ArrayJanitor<char> janText(newSrc, manager);
+ 
++#if HAVE_PATH_MAX
+     // Use a local buffer that is big enough for the largest legal path
+     char absPath[PATH_MAX + 1];
+     
+     // get the absolute path
+     if (!realpath(newSrc, absPath))
+-   		ThrowXMLwithMemMgr(XMLPlatformUtilsException, XMLExcepts::File_CouldNotGetBasePathName, manager);
++        ThrowXMLwithMemMgr(XMLPlatformUtilsException, XMLExcepts::File_CouldNotGetBasePathName, manager);
+ 
+-    return XMLString::transcode(absPath, manager);
++    XMLCh* ret = XMLString::transcode(absPath, manager);
++#else
++    // get the absolute path
++    char *absPath = realpath(newSrc, NULL);
++    if(!absPath)
++        ThrowXMLwithMemMgr(XMLPlatformUtilsException, XMLExcepts::File_CouldNotGetBasePathName, manager);
++
++    XMLCh* ret = XMLString::transcode(absPath, manager);
++    free(absPath);
++#endif
++    return ret;
+ }
+ 
+ 
+ XMLCh*
+ PosixFileMgr::getCurrentDirectory(MemoryManager* const manager)
+ {
++#if HAVE_PATH_MAX
+     char dirBuf[PATH_MAX + 2];
+     char *curDir = getcwd(&dirBuf[0], PATH_MAX + 1);
++#else
++    char *curDir = getcwd(NULL, 0);
++#endif
+ 
+     if (!curDir)
+         ThrowXMLwithMemMgr(XMLPlatformUtilsException,
+                  XMLExcepts::File_CouldNotGetBasePathName, manager);
+ 
+-    return XMLString::transcode(curDir, manager);
++    XMLCh* ret = XMLString::transcode(curDir, manager);
++#if !HAVE_PATH_MAX
++    free(curDir);
++#endif
++    return ret;
+ }
+ 
+ 
diff -Nru xerces-c-3.1.1/debian/patches/series xerces-c-3.1.1/debian/patches/series
--- xerces-c-3.1.1/debian/patches/series	2013-12-25 02:00:17.000000000 +0000
+++ xerces-c-3.1.1/debian/patches/series	2014-01-08 20:48:52.000000000 +0000
@@ -0,0 +1 @@
+hurd-path-max.patch