From: John Gilmore <gnu@cygnus>
Date: Thu, 3 Sep 1992 00:55:04 +0000 (+0000)
Subject: * config/rs6000.mh (MH_CFLAGS):  Circumvent IBM <rpc/rpc.h> bug,
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=82eabd43a8e52ecaff314ee169cea870a12457e1;p=binutils-gdb.git

* config/rs6000.mh (MH_CFLAGS):  Circumvent IBM <rpc/rpc.h> bug,
for files in vx-share/*.c.
* xm-rs6000.h (fd_set):  Circumvent the rs6000.mh circumvention,
for normal GDB source files.
---

diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index 0e9ca50ee92..97f672917f0 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,5 +1,10 @@
 Wed Sep  2 13:45:27 1992  John Gilmore  (gnu@cygnus.com)
 
+	* config/rs6000.mh (MH_CFLAGS):  Circumvent IBM <rpc/rpc.h> bug,
+	for files in vx-share/*.c.
+	* xm-rs6000.h (fd_set):  Circumvent the rs6000.mh circumvention,
+	for normal GDB source files.
+
 	* Makefile.in (VERSION):  Roll to 4.6.6.
 
 	* tm-vx68.h, tm-es1800.h:  Use tm-68k.h rather than tm-sun3.h.
diff --git a/gdb/config/rs6000.mh b/gdb/config/rs6000.mh
index 393db153305..b882fba7cd9 100644
--- a/gdb/config/rs6000.mh
+++ b/gdb/config/rs6000.mh
@@ -19,9 +19,19 @@
 
 XDEPFILES= infptrace.o rs6000-xdep.o
 XM_FILE= xm-rs6000.h
-# Prevent gcc from being confused.  This actually belongs in CC...
+
+# When compiled with cc, for debugging, this argument should be passed.
+# We have no idea who our current compiler is though, so we skip it.
 # MH_CFLAGS = -bnodelcsect
 
+# The IBM version of /usr/include/rpc/rpc.h has a bug -- it says
+# `extern fd_set svc_fdset;' without ever defining the type fd_set.
+# Unfortunately this occurs in the vx-share code, which is not configured
+# like the rest of GDB (e.g. it doesn't include "defs.h").
+# We circumvent this bug by #define-ing fd_set here, but undefining it in
+# the xm-rs6000.h file before ordinary modules try to use it.  FIXME, IBM!
+MH_CFLAGS=-Dfd_set=int
+
 # Because of shared libraries, we risk ending up with *two*
 # incompatible versions of malloc if we use GNU malloc ...
 MMALLOC_LIB = 
diff --git a/gdb/xm-rs6000.h b/gdb/xm-rs6000.h
index 9c820f43f5c..bfa07149a90 100644
--- a/gdb/xm-rs6000.h
+++ b/gdb/xm-rs6000.h
@@ -1,5 +1,5 @@
 /* Parameters for hosting on an RS6000, for GDB, the GNU debugger.
-   Copyright (C) 1986, 1987, 1989, 1991 Free Software Foundation, Inc.
+   Copyright 1986, 1987, 1989, 1991, 1992 Free Software Foundation, Inc.
    Contributed by IBM Corporation.
 
 This file is part of GDB.
@@ -18,6 +18,19 @@ You should have received a copy of the GNU General Public License
 along with this program; if not, write to the Free Software
 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.  */
 
+/* The following text is taken from config/rs6000.mh:
+ * # The IBM version of /usr/include/rpc/rpc.h has a bug -- it says
+ * # `extern fd_set svc_fdset;' without ever defining the type fd_set.
+ * # Unfortunately this occurs in the vx-share code, which is not configured
+ * # like the rest of GDB (e.g. it doesn't include "defs.h").
+ * # We circumvent this bug by #define-ing fd_set here, but undefining it in
+ * # the xm-rs6000.h file before ordinary modules try to use it.  FIXME, IBM!
+ * MH_CFLAGS='-Dfd_set=int'
+ * So, here we do the undefine...which has to occur before we include
+ * <sys/select.h> below.
+ */
+#undef fd_set
+
 #include <sys/select.h>
 #include <sys/ptrace.h>