Thu Jan 19 18:10:05 1995 Pat Rankin (rankin@eql.caltech.edu)

* config/vms-conf.h (HAVE_UNISTD_H):  define it unconditionally.
* config-gas.com:  test for availability of <unistd.h>; create a rudimentary
one if necessary.
This commit is contained in:
Ken Raeburn 1995-02-08 23:52:51 +00:00
parent 6581a70a9a
commit 15f146bec4
3 changed files with 103 additions and 5 deletions

View File

@ -1,3 +1,11 @@
Wed Feb 8 18:51:23 1995 Ken Raeburn <raeburn@cujo.cygnus.com>
Thu Jan 19 18:10:05 1995 Pat Rankin (rankin@eql.caltech.edu)
* config/vms-conf.h (HAVE_UNISTD_H): define it unconditionally.
* config-gas.com: test for availability of <unistd.h>; create a
rudimentary one if necessary.
Tue Feb 7 13:34:46 1995 Michael Meissner <meissner@tiktok.cygnus.com>
* configure.in: Add powerpc-*-eabi support, which is the same as

View File

@ -49,7 +49,9 @@ $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
@ -62,11 +64,99 @@ $append [.config]vms-conf.h ifile$:
$close ifile$
$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>.
Since gcc is not set up correctly, 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
$ create config.status
Links are now set up for use with a vax running VMS.
$ type config.status
$exit
$!

View File

@ -100,7 +100,7 @@
#endif
/* Define if you have the <unistd.h> header file. */
#undef HAVE_UNISTD_H
#define HAVE_UNISTD_H /* config-gas.com will make one if necessary */
/* Define if you have the <varargs.h> header file. */
#undef HAVE_VARARGS_H