X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;f=gas%2Fconfig-gas.com;h=110fa3f2f9e095d2ad0ce0ce692e69457564f235;hb=729ae8d20e264b0b4577be580ab2349b0391383b;hp=56e5be23489258c80be11b6b1a8bd9e2378978f3;hpb=fd4b11313083c614c87615a471100f93cd056375;p=deliverable%2Fbinutils-gdb.git

diff --git a/gas/config-gas.com b/gas/config-gas.com
index 56e5be2348..110fa3f2f9 100644
--- a/gas/config-gas.com
+++ b/gas/config-gas.com
@@ -1,47 +1,53 @@
-$!
+$!config-gas.com
 $! This file sets things up to build gas on a VMS system to generate object
 $! files for a VMS system.  We do not use the configure script, since we
 $! do not have /bin/sh to execute it.
 $!
-$! If you are running this file, then obviously the host is vax-dec-vms.
-$! [That's no longer obvious, but there's not much we can do about alpha yet.]
+$! Note: Only this script contains vax-vms and alpha-vms support, but vax-vms
+$! is no longer supported.
 $!
-$gas_host="vms"
 $!
-$cpu_type="vax"
-$emulation="generic"
-$obj_format="vms"
-$atof="vax"
+$ gas_host="vms"
+$ arch_indx = 1 + ((f$getsyi("CPU").ge.128).and.1)	! vax==1, alpha==2
+$ arch = f$element(arch_indx,"|","|VAX|Alpha|")
+$ if arch.eqs."VAX"
+$ then
+$  cpu_type="vax"
+$  obj_format="vms"
+$  atof="vax"
+$ else
+$  cpu_type="alpha"
+$  obj_format="evax"
+$  atof="ieee"
+$ endif
+$ emulation="generic"
 $!
 $	DELETE	= "delete/noConfirm"
 $	ECHO	= "write sys$output"
 $!
 $! Target specific information
-$call link targ-cpu.c	[.config]tc-'cpu_type'.c
-$call link targ-cpu.h	[.config]tc-'cpu_type'.h
-$call link targ-env.h	[.config]te-'emulation'.h
+$ call make "targ-cpu.h" "[.config]tc-''cpu_type'.h"
+$ call make "targ-env.h" "[.config]te-''emulation'.h"
 $!
 $! Code to handle the object file format.
-$call link obj-format.h	[.config]obj-'obj_format'.h
-$call link obj-format.c	[.config]obj-'obj_format'.c
+$ call make "obj-format.h" "[.config]obj-''obj_format'.h"
 $!
-$! Code to handle floating point.
-$call link atof-targ.c	[.config]atof-'atof'.c
+$! (not currently used for vax or alpha)
+$ call make "itbl-cpu.h" "[.config]itbl-''cpu_type'.h"
 $!
 $!
 $! Create the file version.opt, which helps identify the executable.
 $!
 $if f$trnlnm("IFILE$").nes."" then  close/noLog ifile$
-$search Makefile.in "VERSION="/Exact/Output=config-gas-tmp.tmp
+$search CONFIGURE.IN "AM_INIT_AUTOMAKE"/Exact/Output=config-gas-tmp.tmp
 $open ifile$ config-gas-tmp.tmp
 $read ifile$ line
 $close ifile$
 $DELETE config-gas-tmp.tmp;*
-$! Discard "VERSION=" and "\n" parts.
-$ijk=f$locate("=",line)+1
+$! Discard "AM_INIT_AUTOMAKE(gas, " and ")" parts.
+$ijk=f$locate(",",line)+2
 $line=f$extract(ijk,f$length(line)-ijk,line)
-$! [what "\n" part??  this seems to be useless, but is benign]
-$ijk=f$locate("\n",line)
+$ijk=f$locate(")",line)
 $line=f$extract(0,ijk,line)
 $!
 $ if f$search("version.opt").nes."" then DELETE version.opt;*
@@ -49,31 +55,135 @@ $copy _NL: version.opt
 $open/Append ifile$ version.opt
 $write ifile$ "identification="+""""+line+""""
 $close ifile$
+$!
 $! Now write config.h.
+$!
 $ if f$search("config.h").nes."" then DELETE config.h;*
 $copy _NL: config.h
 $open/Append ifile$ config.h
 $write ifile$ "/* config.h.  Generated by config-gas.com. */
-$write ifile$ "#ifndef GAS_VERSION"
-$write ifile$ "#define GAS_VERSION      """,line,""""
+$write ifile$ "#ifndef VERSION"
+$write ifile$ "#define VERSION      """,line,""""
 $write ifile$ "#endif"
 $write ifile$ "/*--*/"
+$if arch .eqs. "VAX"
+$then
 $append [.config]vms-conf.h ifile$:
+$else
+$ append [.config]vms-a-conf.h ifile$:
+$endif
 $close ifile$
 $ECHO "Created config.h."
 $!
+$! Check for, and possibly make, header file <unistd.h>.
+$!
+$ if f$search("tmp-chk-h.*").nes."" then  DELETE tmp-chk-h.*;*
+$!can't use simple `#include HDR' with `gcc /Define="HDR=<foo.h>"'
+$!because the 2.6.[0-3] preprocessor handles it wrong (VMS-specific gcc bug)
+$ create tmp-chk-h.c
+int tmp_chk_h;	/* guarantee non-empty output */
+#ifdef HAVE_STDIO_H
+#include <stdio.h>
+#endif
+#ifdef HAVE_UNISTD_H
+#include <unistd.h>
+#endif
+#ifdef HAVE_UNIXIO_H
+#include <unixio.h>
+#endif
+#ifdef HAVE_UNIXLIB_H
+#include <unixlib.h>
+#endif
+$ on warning then  continue
+$ CHECK = "call tmp_chk_h"
+$ CHECK "HAVE_STDIO_H"
+$ if .not.$status
+$ then	type sys$input:
+
+? could not compile <stdio.h>.
+
+  If you're compiling with DEC C or VAX C, create config.status as an
+  empty file and start gnu make again.
+
+  If you're compiling with GNU C, there is some setup problem and
+  gas configuration cannot proceed.
+
+$	DELETE tmp-chk-h.c;*
+$	exit %x002C
+$ endif
+$!
+$ CHECK "HAVE_UNISTD_H"
+$ if .not.$status
+$ then
+$  if f$trnlnm("HFILE$").nes."" then  close/noLog hfile$
+$  CHECK "HAVE_UNIXIO_H"
+$  got_unixio = ($status .and. 1)
+$  CHECK "HAVE_UNIXLIB_H"
+$  got_unixlib = ($status .and. 1)
+$  create []unistd.h	!with rudimentary contents
+/* <unistd.h> substitute for building gas */
+#ifndef UNISTD_H
+#define UNISTD_H
+
+$  open/Append hfile$ []unistd.h
+$  if got_unixio
+$  then  write hfile$ "#include <unixio.h>"
+$  else  append sys$input: hfile$:
+/* some of the routines normally prototyped in <unixio.h> */
+extern int creat(), open(), close(), read(), write();
+extern int access(), dup(), dup2(), fstat(), stat();
+extern long lseek();
+$  endif
+$  write hfile$ ""
+$  if got_unixlib
+$  then  write hfile$ "#include <unixlib.h>"
+$  else  append sys$input: hfile$:
+/* some of the routines normally prototyped in <unixlib.h> */
+extern char *sbrk(), *getcwd(), *cuserid();
+extern int brk(), chdir(), chmod(), chown(), mkdir();
+extern unsigned getuid(), umask();
+$  endif
+$  append sys$input: hfile$:
+
+#endif /*UNISTD_H*/
+$  close hfile$
+$  ECHO "Created ""[]unistd.h""."
+$ endif !gcc '#include <unistd.h>' failed
+$ DELETE tmp-chk-h.c;*
+$
+$tmp_chk_h: subroutine
+$  set noOn
+$  hname = f$edit("<" + (p1 - "HAVE_" - "_H") + ".h>","LOWERCASE")
+$  write sys$output "Checking for ''hname'."
+$  if f$search("tmp-chk-h.obj").nes."" then  DELETE tmp-chk-h.obj;*
+$  define/noLog sys$error _NL:	!can't use /User_Mode here due to gcc
+$  define/noLog sys$output _NL:	! driver's use of multiple image activation
+$  gcc /Include=([],[-.include]) /Define=("''p1'") tmp-chk-h.c
+$!can't just check $status; gcc 2.6.[0-3] preprocessor doesn't set it correctly
+$  ok = (($status.and.1).and.(f$search("tmp-chk-h.obj").nes."")) .or. %x10000000
+$  deassign sys$error	!restore, more or less
+$  deassign sys$output
+$  if ok then  DELETE tmp-chk-h.obj;*
+$  exit ok
+$ endsubroutine !tmp_chk_h
+$
+$!
+$! Done
+$!
 $ if f$search("config.status") .nes. "" then DELETE config.status;*
-$ copy _NL: config.status
-$ open/Append file config.status
-$ write file "Links are now set up for use with a vax running VMS."
-$ close file
-$ type config.status
+$ open/write cfile []config.status
+$ write cfile "Links are now set up for use with a "+arch+" running VMS."
+$ close cfile
+$ type []config.status
 $exit
 $!
 $!
-$link:
-$subroutine
+$make: subroutine
 $  if f$search(p1).nes."" then DELETE 'p1';*
-$  copy 'p2' 'p1'
-$  ECHO "Copied ''f$edit(p2,"LOWERCASE")' to ''f$edit(p1,"LOWERCASE")'."
-$endsubroutine
+$  create 'p1'
+$  if f$trnlnm("IFILE$").nes."" then  close/noLog ifile$
+$  open/Append ifile$ 'p1'
+$  write ifile$ "#include ""''f$string(p2 - "[.config]")'"""
+$  close ifile$
+$  ECHO "Created ''p1' for ''p2'."
+$endsubroutine !make