X-Git-Url: http://git.hcoop.net/bpt/emacs.git/blobdiff_plain/4b15862983298783ae46dd3b7741849b2a00322d..bca0f839a56a1edd8562ada5962b809323f39efc:/src/s/cygwin.h

diff --git a/src/s/cygwin.h b/src/s/cygwin.h
index 0063c77b1d..dcab55a91e 100644
--- a/src/s/cygwin.h
+++ b/src/s/cygwin.h
@@ -1,6 +1,6 @@
 /* System description header file for Cygwin.
    Copyright (C) 1985, 1986, 1992, 1999, 2002, 2003, 2004, 2005, 2006,
-                 2007, 2008 Free Software Foundation, Inc.
+                 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
@@ -84,14 +84,6 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 
 #define BSTRING
 
-/* subprocesses should be defined if you want to
-   have code for asynchronous subprocesses
-   (as used in M-x compile and M-x shell).
-   This is generally OS dependent, and not supported
-   under most USG systems. */
-
-#define subprocesses
-
 /* Define CLASH_DETECTION if you want lock files to be written
    so that Emacs can tell instantly when you try to modify
    a file that someone else has modified in his Emacs.  */
@@ -110,27 +102,16 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 #define CYGWIN 1
 
 #define PENDING_OUTPUT_COUNT(FILE) ((FILE)->_p - (FILE)->_bf._base)
-#define GETPGRP_NO_ARG 1
 #define SYSV_SYSTEM_DIR 1
-#define LIB_STANDARD_LIBSRC
 #define UNEXEC unexcw.o
 #define POSIX_SIGNALS 1
-/* force the emacs image to start high in memory, so dll relocation
-   can put things in low memory without causing all sorts of grief for
-   emacs lisp pointers */
-#define DATA_SEG_BITS 0x20000000
-#define LINKER $(CC) -Wl,--image-base,DATA_SEG_BITS
+#define LINKER $(CC)
 
 /* Use terminfo instead of termcap.  Fewer environment variables to
    go wrong, more terminal types. */
 #define TERMINFO
 
 #define HAVE_SOCKETS
-/* C-g aborts emacs without this */
-/*#define HAVE_VFORK*/
-/* Xaw3d causes problems -- might have been fixed by NARROWPROTO
-   above, but I haven't tried it */
-/*#undef HAVE_XAW3D*/
 
 /* vfork() interacts badly with setsid(), causing ptys to fail to
    change their controlling terminal */
@@ -145,6 +126,15 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 /* Virtual addresses of pure and impure space can vary, as on Windows.  */
 #define VIRT_ADDR_VARIES
 
+/* Emacs supplies its own malloc, but glib (part of Gtk+) calls
+   memalign and on Cygwin, that becomes the Cygwin-supplied memalign.
+   As malloc is not the Cygwin malloc, the Cygwin memalign always
+   returns ENOSYS.  A workaround is to set G_SLICE=always-malloc. */
+#define G_SLICE_ALWAYS_MALLOC
+
+/* Send signals to subprocesses by "typing" special chars at them.  */
+#define SIGNALS_VIA_CHARACTERS
+
 /* the end */
 
 /* arch-tag: 5ae7ba00-83b0-4ab3-806a-3e845779191b