1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
|
$!
$! This file sets things up to build gas on a openVMS/Alpha system to generate
$! object files for a openVMS/Alpha system.
$! We do not use the configure script, since there is no /bin/sh to execute it.
$!
$! If you are running this file, then obviously the host is alpha-dec-vms.
$!
$gas_host="vms"
$!
$cpu_type="alpha"
$emulation="generic"
$obj_format="evax"
$atof="ieee"
$!
$ 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"
$write ifile$ "/*--*/"
$append [.config]vms-a-conf.h ifile$:
$close ifile$
$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 an Alpha running openVMS.
$ 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
|
