Fix IRIX 6.5 compile problems (GCC only).

gdb/ChangeLog

@@ -1,3 +1,13 @@
+Mon May  8 14:49:51 2000  Andrew Cagney  <cagney@b1.cygnus.com>
+
+	From Michael Paddon <mmpp@esec.com.au>:
+	* configure.in (AC_CHECK_HEADERS): Check for <sys/user.h>.
+	* configure: Re-generate.
+	* proc-api.c: Only include <sys/user.h> when available.
+	(ioctl_table): Check that PIOCGETPR and PIOCGETU are defined.
+
+	* TODO, README: Update.  Mention that GDB 5 needs GCC on IRIX.
+
 2000-05-08  Eli Zaretskii  <eliz@is.elta.co.il>
 
 	* config/djgpp/djconfig.sh: Use more warning switches.

gdb/README

@@ -531,6 +531,9 @@ Known bugs:
     subsystem that is on the IDO CD, otherwise you will get complaints
     that certain files such as `/usr/include/syms.h' cannot be found.
 
+  * Under Irix 6 you must build with GCC.  The vendor compiler reports
+    as errors certain assignments that GCC considers to be warnings.
+
   * Notes for BSD/386:
     To compile gdb-4.18 on BSD/386, you must run the configure script and
     its subscripts with bash.  Here is an easy way to do this:
@@ -539,6 +542,8 @@ Known bugs:
 
     (configure will report i386-unknown-bsd).  Then, compile with the
     standard "make" command.
+  
+  * See, also the file TODO for other minor problems.
 
 GDB can produce warnings about symbols that it does not understand.  By
 default, these warnings are disabled.  You can enable them by executing

gdb/TODO

@@ -15,16 +15,12 @@ release.
 
 --
 
-GDB doesn't build under IRIX6.4
+GDB requires GCC to build under IRIX
 
-Benjamin Gamsa wrote:
+IRIX, being more pedantic than GCC reports as errors certain
+assignments that GCC treats as warnings.
 
-Has anyone successfully built the latest (from cvs) gdb on IRIX6.4 or
-later?  The first problem I hit is that proc-api.c includes
-sys/user.h, which no longer exists under IRIX6.4.  If I comment out
-that include, the next problem I hit is that PIOCGETPR and PIOCGETU
-are no longer defined in IRIX6.4 (presumably related to the
-disappearance of user.h).
+This can be worked around by building GDB with the GCC compiler.
 
 --
 

gdb/configure

@@ -3293,7 +3293,7 @@ for ac_hdr in ctype.h curses.h endian.h link.h thread_db.h proc_service.h \
 	string.h sys/procfs.h sys/ptrace.h sys/reg.h stdint.h \
 	term.h termio.h termios.h unistd.h wait.h sys/wait.h \
 	wchar.h wctype.h asm/debugreg.h sys/debugreg.h sys/select.h \
-	time.h sys/ioctl.h
+	time.h sys/ioctl.h sys/user.h
 do
 ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6

gdb/configure.in

@@ -102,7 +102,7 @@ AC_CHECK_HEADERS(ctype.h curses.h endian.h link.h thread_db.h proc_service.h \
 	string.h sys/procfs.h sys/ptrace.h sys/reg.h stdint.h \
 	term.h termio.h termios.h unistd.h wait.h sys/wait.h \
 	wchar.h wctype.h asm/debugreg.h sys/debugreg.h sys/select.h \
-	time.h sys/ioctl.h)
+	time.h sys/ioctl.h sys/user.h)
 AC_HEADER_STAT
 
 AC_C_CONST

gdb/proc-api.c

@@ -36,7 +36,9 @@ Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
 #include <sys/types.h>
 #include <sys/procfs.h>
 #include <sys/proc.h>	/* for struct proc */
+#ifdef HAVE_SYS_USER_H
 #include <sys/user.h>	/* for struct user */
+#endif
 #include <fcntl.h>	/* for O_RDWR etc. */
 #include <sys/wait.h>
 
@@ -110,8 +112,12 @@ static struct trans ioctl_table[] = {
   { PIOCGETPTIMER,   "PIOCGETPTIMER",   "get process timers" },
 #endif	/* irix event counters */
   { PIOCGENTRY,    "PIOCGENTRY",   "get traced syscall entry set" },
+#if defined (PIOCGETPR)
   { PIOCGETPR,     "PIOCGETPR",    "read struct proc" },
+#endif
+#if defined (PIOCGETU)
   { PIOCGETU,      "PIOCGETU",     "read user area" },
+#endif
 #if defined (PIOCGETUTK) && (defined(KERNEL) || defined(SHOW_UTT)) /* osf */
   { PIOCGETUTK,  "PIOCGETUTK", "get the utask struct" },
 #endif