mirror of
https://sourceware.org/git/binutils-gdb.git
synced 2024-12-24 09:43:36 +08:00
15f146bec4
* 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.
170 lines
4.9 KiB
Plaintext
170 lines
4.9 KiB
Plaintext
$!
|
|
$! 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.]
|
|
$!
|
|
$gas_host="vms"
|
|
$!
|
|
$cpu_type="vax"
|
|
$emulation="generic"
|
|
$obj_format="vms"
|
|
$atof="vax"
|
|
$!
|
|
$ 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
|
|
$!
|
|
$! 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
|
|
$!
|
|
$! Code to handle floating point.
|
|
$call link atof-targ.c [.config]atof-'atof'.c
|
|
$!
|
|
$!
|
|
$! 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
|
|
$open ifile$ config-gas-tmp.tmp
|
|
$read ifile$ line
|
|
$close ifile$
|
|
$DELETE config-gas-tmp.tmp;*
|
|
$! Discard "VERSION=" and "\n" parts.
|
|
$ijk=f$locate("=",line)+1
|
|
$line=f$extract(ijk,f$length(line)-ijk,line)
|
|
$! [what "\n" part?? this seems to be useless, but is benign]
|
|
$ijk=f$locate("\n",line)
|
|
$line=f$extract(0,ijk,line)
|
|
$!
|
|
$ if f$search("version.opt").nes."" then DELETE version.opt;*
|
|
$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,""""
|
|
$write ifile$ "#endif"
|
|
$write ifile$ "/*--*/"
|
|
$append [.config]vms-conf.h ifile$:
|
|
$close ifile$
|
|
$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;*
|
|
$ create config.status
|
|
Links are now set up for use with a vax running VMS.
|
|
$ type config.status
|
|
$exit
|
|
$!
|
|
$!
|
|
$link:
|
|
$subroutine
|
|
$ if f$search(p1).nes."" then DELETE 'p1';*
|
|
$ copy 'p2' 'p1'
|
|
$ ECHO "Copied ''f$edit(p2,"LOWERCASE")' to ''f$edit(p1,"LOWERCASE")'."
|
|
$endsubroutine
|