5 files changed, 19 insertions, 6 deletions

diff --git a/src/s/aix4-2.h b/src/s/aix4-2.h
index 354ffda0988..cacfdc7ed63 100644
--- a/src/s/aix4-2.h
+++ b/src/s/aix4-2.h
@@ -76,6 +76,17 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
    to avoid a crash just use the Emacs implementation for that function.  */
 #define BROKEN_GET_CURRENT_DIR_NAME 1
 
+/*** BUILD 9008 - FIONREAD problem still exists in X-Windows. ***/
+#define BROKEN_FIONREAD
+/* As we define BROKEN_FIONREAD, SIGIO will be undefined in systty.h.
+   But, on AIX, SIGAIO, SIGPTY, and SIGPOLL are defined as SIGIO,
+   which causes compilation error at init_signals in sysdep.c.  So, we
+   define these macros so that syssignal.h detects them and undefine
+   SIGAIO, SIGPTY and SIGPOLL.  */
+#define BROKEN_SIGAIO
+#define BROKEN_SIGPTY
+#define BROKEN_SIGPOLL
+
 /* Conservative garbage collection has not been tested, so for now
    play it safe and stick with the old-fashioned way of marking.  */
 #define GC_MARK_STACK GC_USE_GCPROS_AS_BEFORE
diff --git a/src/s/gnu-linux.h b/src/s/gnu-linux.h
index d04ea33068a..409d0205520 100644
--- a/src/s/gnu-linux.h
+++ b/src/s/gnu-linux.h
@@ -157,3 +157,9 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 #else
 #define GC_MARK_STACK GC_USE_GCPROS_AS_BEFORE
 #endif
+
+#ifdef __i386__
+/* libc-linux/sysdeps/linux/i386/ulimit.c says that due to shared library, */
+/* we cannot get the maximum address for brk */
+# define ULIMIT_BREAK_VALUE (32*1024*1024)
+#endif
diff --git a/src/s/gnu.h b/src/s/gnu.h
index a09e0e824c9..cd72164a520 100644
--- a/src/s/gnu.h
+++ b/src/s/gnu.h
@@ -24,8 +24,6 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 #undef SYSTEM_TYPE
 #define SYSTEM_TYPE "gnu"
 
-#undef NLIST_STRUCT
-
 #define SIGNALS_VIA_CHARACTERS
 
 /* libc defines data_start.  */
diff --git a/src/s/irix6-5.h b/src/s/irix6-5.h
index e5d90c1bd5d..e5479c3b8d3 100644
--- a/src/s/irix6-5.h
+++ b/src/s/irix6-5.h
@@ -85,10 +85,6 @@ char *_getpty();
 
 #define NARROWPROTO 1
 
-#if _MIPS_SZLONG == 64          /* -mabi=64 (gcc) or -64 (MIPSpro) */
-#define _LP64                   /* lisp.h takes care of the rest */
-#endif /* _MIPS_SZLONG */
-
 #undef SA_RESTART
 
 #undef TIOCSIGSEND              /* defined in usg5-4-common.h */
diff --git a/src/s/ms-w32.h b/src/s/ms-w32.h
index 63fc2f1f62b..f88128b27aa 100644
--- a/src/s/ms-w32.h
+++ b/src/s/ms-w32.h
@@ -381,6 +381,8 @@ extern int getloadavg (double *, int);
 /* We need a little extra space, see ../../lisp/loadup.el.  */
 #define SYSTEM_PURESIZE_EXTRA 50000
 
+#define DATA_START      get_data_start ()
+
 /* For unexec to work on Alpha systems, we need to put Emacs'
    initialized data into a separate section from the CRT initialized
    data (because the Alpha linker freely reorders data variables, even