2 $! This file sets things up to build gas on a VMS system to generate object
3 $! files for a VMS system. We do not use the configure script, since we
4 $! do not have /bin/sh to execute it.
6 $! Note: Only this script contains vax-vms and alpha-vms support, but vax-vms
7 $! is no longer supported.
11 $ arch_indx = 1 + ((f$getsyi("CPU").ge.128).and.1) ! vax==1, alpha==2
12 $ arch = f$element(arch_indx,"|","|VAX|Alpha|")
25 $ DELETE = "delete/noConfirm"
26 $ ECHO = "write sys$output"
28 $! Target specific information
29 $ call make "targ-cpu.h" "[.config]tc-''cpu_type'.h"
30 $ call make "targ-env.h" "[.config]te-''emulation'.h"
32 $! Code to handle the object file format.
33 $ call make "obj-format.h" "[.config]obj-''obj_format'.h"
35 $! (not currently used for vax or alpha)
36 $ call make "itbl-cpu.h" "[.config]itbl-''cpu_type'.h"
39 $! Create the file version.opt, which helps identify the executable.
41 $if f$trnlnm("IFILE$").nes."" then close/noLog ifile$
42 $search CONFIGURE.IN "AM_INIT_AUTOMAKE"/Exact/Output=config-gas-tmp.tmp
43 $open ifile$ config-gas-tmp.tmp
46 $DELETE config-gas-tmp.tmp;*
47 $! Discard "AM_INIT_AUTOMAKE(gas, " and ")" parts.
48 $ijk=f$locate(",",line)+2
49 $line=f$extract(ijk,f$length(line)-ijk,line)
50 $ijk=f$locate(")",line)
51 $line=f$extract(0,ijk,line)
53 $ if f$search("version.opt").nes."" then DELETE version.opt;*
54 $copy _NL: version.opt
55 $open/Append ifile$ version.opt
56 $write ifile$ "identification="+""""+line+""""
59 $! Now write config.h.
61 $ if f$search("config.h").nes."" then DELETE config.h;*
63 $open/Append ifile$ config.h
64 $write ifile$ "/* config.h. Generated by config-gas.com. */
65 $write ifile$ "#ifndef VERSION"
66 $write ifile$ "#define VERSION """,line,""""
67 $write ifile$ "#endif"
68 $write ifile$ "/*--*/"
71 $append [.config]vms-conf.h ifile$:
73 $ append [.config]vms-a-conf.h ifile$:
76 $ECHO "Created config.h."
78 $! Check for, and possibly make, header file <unistd.h>.
80 $ if f$search("tmp-chk-h.*").nes."" then DELETE tmp-chk-h.*;*
81 $!can't use simple `#include HDR' with `gcc /Define="HDR=<foo.h>"'
82 $!because the 2.6.[0-3] preprocessor handles it wrong (VMS-specific gcc bug)
84 int tmp_chk_h; /* guarantee non-empty output */
97 $ on warning then continue
98 $ CHECK = "call tmp_chk_h"
99 $ CHECK "HAVE_STDIO_H"
101 $ then type sys$input:
103 ? could not compile <stdio.h>.
105 If you're compiling with DEC C or VAX C, create config.status as an
106 empty file and start gnu make again.
108 If you're compiling with GNU C, there is some setup problem and
109 gas configuration cannot proceed.
111 $ DELETE tmp-chk-h.c;*
115 $ CHECK "HAVE_UNISTD_H"
118 $ if f$trnlnm("HFILE$").nes."" then close/noLog hfile$
119 $ CHECK "HAVE_UNIXIO_H"
120 $ got_unixio = ($status .and. 1)
121 $ CHECK "HAVE_UNIXLIB_H"
122 $ got_unixlib = ($status .and. 1)
123 $ create []unistd.h !with rudimentary contents
124 /* <unistd.h> substitute for building gas */
128 $ open/Append hfile$ []unistd.h
130 $ then write hfile$ "#include <unixio.h>"
131 $ else append sys$input: hfile$:
132 /* some of the routines normally prototyped in <unixio.h> */
133 extern int creat(), open(), close(), read(), write();
134 extern int access(), dup(), dup2(), fstat(), stat();
139 $ then write hfile$ "#include <unixlib.h>"
140 $ else append sys$input: hfile$:
141 /* some of the routines normally prototyped in <unixlib.h> */
142 extern char *sbrk(), *getcwd(), *cuserid();
143 extern int brk(), chdir(), chmod(), chown(), mkdir();
144 extern unsigned getuid(), umask();
146 $ append sys$input: hfile$:
150 $ ECHO "Created ""[]unistd.h""."
151 $ endif !gcc '#include <unistd.h>' failed
152 $ DELETE tmp-chk-h.c;*
154 $tmp_chk_h: subroutine
156 $ hname = f$edit("<" + (p1 - "HAVE_" - "_H") + ".h>","LOWERCASE")
157 $ write sys$output "Checking for ''hname'."
158 $ if f$search("tmp-chk-h.obj").nes."" then DELETE tmp-chk-h.obj;*
159 $ define/noLog sys$error _NL: !can't use /User_Mode here due to gcc
160 $ define/noLog sys$output _NL: ! driver's use of multiple image activation
161 $ gcc /Include=([],[-.include]) /Define=("''p1'") tmp-chk-h.c
162 $!can't just check $status; gcc 2.6.[0-3] preprocessor doesn't set it correctly
163 $ ok = (($status.and.1).and.(f$search("tmp-chk-h.obj").nes."")) .or. %x10000000
164 $ deassign sys$error !restore, more or less
165 $ deassign sys$output
166 $ if ok then DELETE tmp-chk-h.obj;*
168 $ endsubroutine !tmp_chk_h
173 $ if f$search("config.status") .nes. "" then DELETE config.status;*
174 $ open/write cfile []config.status
175 $ write cfile "Links are now set up for use with a "+arch+" running VMS."
177 $ type []config.status
182 $ if f$search(p1).nes."" then DELETE 'p1';*
184 $ if f$trnlnm("IFILE$").nes."" then close/noLog ifile$
185 $ open/Append ifile$ 'p1'
186 $ write ifile$ "#include ""''f$string(p2 - "[.config]")'"""
188 $ ECHO "Created ''p1' for ''p2'."