Patch #497098: build support for GNU/Hurd.

Misc/ACKS

@@ -301,6 +301,7 @@ Dom Mitchell
 Doug Moen
 The Dragon De Monsyne
 Skip Montanaro
+James A Morrison
 Sape Mullender
 Sjoerd Mullender
 Michael Muller

Misc/NEWS

@@ -30,6 +30,8 @@ C API
 
 New platforms
 
+- GNU/Hurd is now supported.
+
 Tests
 
 Windows

Python/thread_cthread.h

@@ -1,6 +1,11 @@
 
+#ifdef MACH_C_THREADS
 #include <mach/cthreads.h>
+#endif
 
+#ifdef HURD_C_THREADS
+#include <cthreads.h>
+#endif
 
 /*
  * Initialization.
@@ -8,7 +13,14 @@
 static void
 PyThread__init_thread(void)
 {
+#ifndef HURD_C_THREADS
+	/* Roland McGrath said this should not be used since this is
+	done while linking to threads */
 	cthread_init(); 
+#else
+/* do nothing */
+	;
+#endif
 }
 
 /*
@@ -127,10 +139,10 @@ PyThread_acquire_lock(PyThread_type_lock lock, int waitflag)
 
 	dprintf(("PyThread_acquire_lock(%p, %d) called\n", lock, waitflag));
 	if (waitflag) { 	/* blocking */
-		mutex_lock(lock);
+		mutex_lock((mutex_t)lock);
 		success = TRUE;
 	} else {		/* non blocking */
-		success = mutex_try_lock(lock);
+		success = mutex_try_lock((mutex_t)lock);
 	}
 	dprintf(("PyThread_acquire_lock(%p, %d) -> %d\n", lock, waitflag, success));
 	return success;

acconfig.h

@@ -19,6 +19,12 @@
 /* Define if you have the Mach cthreads package */
 #undef C_THREADS
 
+/* Define if you are using Mach cthreads under mach / */
+#undef MACH_C_THREADS
+
+/* Define if you are using Mach cthreads directly under /include */
+#undef HURD_C_THREADS
+
 /* Define to `long' if <time.h> doesn't define.  */
 #undef clock_t
 
@@ -47,6 +53,9 @@
 /* struct addrinfo (netdb.h) */
 #undef HAVE_ADDRINFO
 
+/* Define if you have the getaddrinfo function. */
+#undef HAVE_GETADDRINFO
+
 /* struct sockaddr_storage (sys/socket.h) */
 #undef HAVE_SOCKADDR_STORAGE
 

configure.in

@@ -796,7 +796,7 @@ then
 			# No framework. Ignore undefined symbols, assuming they come from Python
 			LDSHARED="$LDSHARED -flat_namespace -undefined suppress"
 		fi ;;
-	Linux*) LDSHARED="gcc -shared";;
+	Linux*|GNU*) LDSHARED="gcc -shared";;
 	dgux*) LDSHARED="ld -G";;
 	BSD/OS*/4*) LDSHARED="gcc -shared";;
 	OpenBSD*|NetBSD*|FreeBSD*)
@@ -832,7 +832,7 @@ then
 		 then CCSHARED="-fPIC";
 		 else CCSHARED="+z";
 		 fi;;
-	Linux*) CCSHARED="-fPIC";;
+	Linux*|GNU*) CCSHARED="-fPIC";;
 	BSD/OS*/4*) CCSHARED="-fpic";;
 	FreeBSD*|NetBSD*|OpenBSD*) CCSHARED="-fPIC";;
 	OpenUNIX*|UnixWare*)
@@ -860,7 +860,7 @@ then
 	hp*|HP*)
 	    LINKFORSHARED="-Wl,-E -Wl,+s -Wl,+b\$(BINLIBDEST)/lib-dynload";;
 	BSD/OS/4*) LINKFORSHARED="-Xlinker -export-dynamic";;
-	Linux*) LINKFORSHARED="-Xlinker -export-dynamic";;
+	Linux*|GNU*) LINKFORSHARED="-Xlinker -export-dynamic";;
 	# -u libsys_s pulls in all symbols in libsys
 	Darwin/*) 
 		# -u __dummy makes the linker aware of the objc runtime
@@ -1033,8 +1033,14 @@ else
     AC_MSG_RESULT($unistd_defines_pthreads)
 
     AC_DEFINE(_REENTRANT)
+    AC_CHECK_HEADER(cthreads.h, [AC_DEFINE(WITH_THREAD)
+    AC_DEFINE(C_THREADS)
+    AC_DEFINE(HURD_C_THREADS)
+    LIBS="$LIBS -lthreads"
+    LIBOBJS="$LIBOBJS thread.o"],[
     AC_CHECK_HEADER(mach/cthreads.h, [AC_DEFINE(WITH_THREAD)
     AC_DEFINE(C_THREADS)
+    AC_DEFINE(MACH_C_THREADS)
     LIBOBJS="$LIBOBJS thread.o"],[
     AC_MSG_CHECKING(for --with-pth)
     AC_ARG_WITH(pth,
@@ -1088,7 +1094,7 @@ pthread_create (NULL, NULL, start_routine, NULL)], [
     LIBS="$LIBS -lcma"
     LIBOBJS="$LIBOBJS thread.o"],[
     USE_THREAD_MODULE="#"])
-    ])])])])])])])])])
+    ])])])])])])])])])])
 
     if test "$posix_threads" = "yes"; then
       if test "$unistd_defines_pthreads" = "no"; then

pyconfig.h.in

@@ -93,6 +93,12 @@
 /* Define if you have the Mach cthreads package */
 #undef C_THREADS
 
+/* Define if you are using Mach cthreads under mach / */
+#undef MACH_C_THREADS
+
+/* Define if you are using Mach cthreads directly under /include */
+#undef HURD_C_THREADS
+
 /* Define to `long' if <time.h> doesn't define.  */
 #undef clock_t
 
@@ -121,6 +127,9 @@
 /* struct addrinfo (netdb.h) */
 #undef HAVE_ADDRINFO
 
+/* Define if you have the getaddrinfo function. */
+#undef HAVE_GETADDRINFO
+
 /* struct sockaddr_storage (sys/socket.h) */
 #undef HAVE_SOCKADDR_STORAGE
 
@@ -402,9 +411,6 @@
 /* Define if you have the gai_strerror function.  */
 #undef HAVE_GAI_STRERROR
 
-/* Define if you have the getaddrinfo function.  */
-#undef HAVE_GETADDRINFO
-
 /* Define if you have the getcwd function.  */
 #undef HAVE_GETCWD