diff --git a/checkin_notes b/checkin_notes
index 1d1c917ded..e021dddc56 100644
--- a/checkin_notes
+++ b/checkin_notes
@@ -6540,3 +6540,17 @@ Rom    1 Nov 2012
     
     samples\vboxwrapper\
         vbox.cpp, .h
+
+David  1 Nov 2012
+	- client/manager: move the conditional define of MAXPATHLEN
+		from boinc_win.h to filesys.h,
+		so that the client will hopefully build on Hurd,
+		which doesn't define MAXPATHLEN.
+
+	client/
+		http_curl.cpp
+	lib/
+		boinc_win.h
+		common_defs.h
+		filesys.h
+		gui_rpc_client.h
diff --git a/client/http_curl.cpp b/client/http_curl.cpp
index 01af8bebab..0e673c0cc2 100644
--- a/client/http_curl.cpp
+++ b/client/http_curl.cpp
@@ -388,13 +388,13 @@ bool HTTP_OP::no_proxy_for_url(const char* url) {
     return false;
 }
 
-static int set_cloexec(void*, curl_socket_t fd, curlsocktype purpose) {
 #ifndef _WIN32
+static int set_cloexec(void*, curl_socket_t fd, curlsocktype purpose) {
     if (purpose != CURLSOCKTYPE_IPCXN) return 0;
     fcntl(fd, F_SETFD, FD_CLOEXEC);
-#endif
     return 0;
 }
+#endif
 
 // the following will do an HTTP GET or POST using libcurl
 //
@@ -534,11 +534,12 @@ int HTTP_OP::libcurl_exec(
     //
     curl_easy_setopt(curlEasy, CURLOPT_NOPROGRESS, 1L);
 
+#ifndef _WIN32
     // arrange for a function to get called between socket() and connect()
     // so that we can mark the socket as close-on-exec
     //
     curl_easy_setopt(curlEasy, CURLOPT_SOCKOPTFUNCTION, set_cloexec);
-
+#endif
     // setup timeouts
     //
     curl_easy_setopt(curlEasy, CURLOPT_TIMEOUT, 0L);
diff --git a/lib/boinc_win.h b/lib/boinc_win.h
index 8e745a9df1..f51ff3df6d 100644
--- a/lib/boinc_win.h
+++ b/lib/boinc_win.h
@@ -22,10 +22,6 @@
 #ifndef _BOINC_WIN_
 #define _BOINC_WIN_
 
-#ifndef MAXPATHLEN
-#define MAXPATHLEN 4096
-#endif
-
 #ifndef __CYGWIN32__
 
 // Windows C Runtime Library
diff --git a/lib/common_defs.h b/lib/common_defs.h
index 74e85c91ac..c38d834659 100644
--- a/lib/common_defs.h
+++ b/lib/common_defs.h
@@ -233,5 +233,4 @@ struct VERSION_INFO {
 #define DEFAULT_SS_EXECUTABLE       "boincscr"
 #endif
 
-
 #endif
diff --git a/lib/filesys.h b/lib/filesys.h
index efd129eb05..86e22d8395 100644
--- a/lib/filesys.h
+++ b/lib/filesys.h
@@ -32,6 +32,10 @@
 
 #endif /* !WIN32 */
 
+#ifndef MAXPATHLEN
+#define MAXPATHLEN 4096
+#endif
+
 #define FILE_RETRY_INTERVAL 5
     // On Windows, retry for this period of time, since some other program
     // (virus scan, defrag, index) may have the file open.
diff --git a/lib/gui_rpc_client.h b/lib/gui_rpc_client.h
index 153fa2ad7a..f3b2e7f175 100644
--- a/lib/gui_rpc_client.h
+++ b/lib/gui_rpc_client.h
@@ -33,13 +33,14 @@
 #include <locale.h>
 #endif
 
-#include "miofile.h"
-#include "prefs.h"
-#include "hostinfo.h"
-#include "common_defs.h"
-#include "notice.h"
-#include "network.h"
 #include "cc_config.h"
+#include "common_defs.h"
+#include "filesys.h"
+#include "hostinfo.h"
+#include "miofile.h"
+#include "network.h"
+#include "notice.h"
+#include "prefs.h"
 
 struct GUI_URL {
     std::string name;