mirror of
https://github.com/darlinghq/darling-gdb.git
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c412299f00
* Makefile.am (CONFIG_OBJS): New variable, containing part of old
OBJS variable.
(GENERIC_OBJS): New variable, with the rest of the old OBJS
variable.
(OBJS): Now just $(CONFIG_OBJS) and $(GENERIC_OBJS).
($(srcdir)/make-gas.com): Rename from make-gas.com.
(stamp-mk.com): Replace $(OBJS) with $(GENERIC_OBJS).
(EXTRA_DIST): Define.
* vmsconf.sh: Handle {targ-cpu, obj-format, atof-targ} modules
explicitly rather than via the list of object files.
(gcc-as.opt): New file created when make-gas.com is run.
* config-gas.com: Create {targ-cpu.h, obj-format.h, targ-env.h,
itbl-cpu.h} to #include appropriate file rather than copying that
file.
* config/vms-conf.h: Synchronize with current config.in.
* Makefile.in: Rebuild.
187 lines
5.3 KiB
Plaintext
187 lines
5.3 KiB
Plaintext
$!config-gas.com
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$! This file sets things up to build gas on a VMS system to generate object
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$! files for a VMS system. We do not use the configure script, since we
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$! do not have /bin/sh to execute it.
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$!
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$!
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$ gas_host="vms"
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$ arch_indx = 1 + ((f$getsyi("CPU").ge.128).and.1) ! vax==1, alpha==2
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$ arch = f$element(arch_indx,"|","|VAX|Alpha|")
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$ if arch.eqs."VAX"
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$ then
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$ cpu_type="vax"
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$ obj_format="vms"
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$ atof="vax"
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$ else
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$ cpu_type="alpha"
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$ obj_format="evax"
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$ atof="ieee"
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$ endif
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$ emulation="generic"
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$!
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$ DELETE = "delete/noConfirm"
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$ ECHO = "write sys$output"
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$!
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$! Target specific information
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$ call make "targ-cpu.h" "[.config]tc-''cpu_type'.h"
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$ call make "targ-env.h" "[.config]te-''emulation'.h"
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$!
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$! Code to handle the object file format.
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$ call make "obj-format.h" "[.config]obj-''obj_format'.h"
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$!
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$! (not currently used for vax or alpha)
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$ call make "itbl-cpu.h" "[.config]itbl-''cpu_type'.h"
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$!
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$!
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$! Create the file version.opt, which helps identify the executable.
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$!
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$if f$trnlnm("IFILE$").nes."" then close/noLog ifile$
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$search CONFIGURE.IN "AM_INIT_AUTOMAKE"/Exact/Output=config-gas-tmp.tmp
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$open ifile$ config-gas-tmp.tmp
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$read ifile$ line
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$close ifile$
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$DELETE config-gas-tmp.tmp;*
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$! Discard "AM_INIT_AUTOMAKE(gas, " and ")" parts.
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$ijk=f$locate(",",line)+2
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$line=f$extract(ijk,f$length(line)-ijk,line)
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$ijk=f$locate(")",line)
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$line=f$extract(0,ijk,line)
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$!
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$ if f$search("version.opt").nes."" then DELETE version.opt;*
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$copy _NL: version.opt
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$open/Append ifile$ version.opt
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$write ifile$ "identification="+""""+line+""""
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$close ifile$
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$!
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$! Now write config.h.
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$!
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$ if f$search("config.h").nes."" then DELETE config.h;*
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$copy _NL: config.h
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$open/Append ifile$ config.h
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$write ifile$ "/* config.h. Generated by config-gas.com. */
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$write ifile$ "#ifndef VERSION"
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$write ifile$ "#define VERSION """,line,""""
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$write ifile$ "#endif"
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$write ifile$ "/*--*/"
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$if arch .eqs. "VAX"
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$then
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$append [.config]vms-conf.h ifile$:
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$else
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$ append [.config]vms-a-conf.h ifile$:
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$endif
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$close ifile$
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$ECHO "Created config.h."
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$!
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$! Check for, and possibly make, header file <unistd.h>.
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$!
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$ if f$search("tmp-chk-h.*").nes."" then DELETE tmp-chk-h.*;*
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$!can't use simple `#include HDR' with `gcc /Define="HDR=<foo.h>"'
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$!because the 2.6.[0-3] preprocessor handles it wrong (VMS-specific gcc bug)
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$ create tmp-chk-h.c
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int tmp_chk_h; /* guarantee non-empty output */
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#ifdef HAVE_STDIO_H
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#include <stdio.h>
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#endif
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#ifdef HAVE_UNISTD_H
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#include <unistd.h>
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#endif
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#ifdef HAVE_UNIXIO_H
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#include <unixio.h>
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#endif
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#ifdef HAVE_UNIXLIB_H
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#include <unixlib.h>
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#endif
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$ on warning then continue
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$ CHECK = "call tmp_chk_h"
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$ CHECK "HAVE_STDIO_H"
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$ if .not.$status
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$ then type sys$input:
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? could not compile <stdio.h>.
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If you're compiling with DEC C or VAX C, create config.status as an
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empty file and start gnu make again.
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If you're compiling with GNU C, there is some setup problem and
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gas configuration cannot proceed.
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$ DELETE tmp-chk-h.c;*
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$ exit %x002C
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$ endif
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$!
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$ CHECK "HAVE_UNISTD_H"
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$ if .not.$status
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$ then
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$ if f$trnlnm("HFILE$").nes."" then close/noLog hfile$
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$ CHECK "HAVE_UNIXIO_H"
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$ got_unixio = ($status .and. 1)
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$ CHECK "HAVE_UNIXLIB_H"
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$ got_unixlib = ($status .and. 1)
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$ create []unistd.h !with rudimentary contents
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/* <unistd.h> substitute for building gas */
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#ifndef UNISTD_H
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#define UNISTD_H
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$ open/Append hfile$ []unistd.h
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$ if got_unixio
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$ then write hfile$ "#include <unixio.h>"
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$ else append sys$input: hfile$:
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/* some of the routines normally prototyped in <unixio.h> */
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extern int creat(), open(), close(), read(), write();
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extern int access(), dup(), dup2(), fstat(), stat();
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extern long lseek();
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$ endif
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$ write hfile$ ""
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$ if got_unixlib
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$ then write hfile$ "#include <unixlib.h>"
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$ else append sys$input: hfile$:
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/* some of the routines normally prototyped in <unixlib.h> */
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extern char *sbrk(), *getcwd(), *cuserid();
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extern int brk(), chdir(), chmod(), chown(), mkdir();
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extern unsigned getuid(), umask();
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$ endif
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$ append sys$input: hfile$:
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#endif /*UNISTD_H*/
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$ close hfile$
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$ ECHO "Created ""[]unistd.h""."
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$ endif !gcc '#include <unistd.h>' failed
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$ DELETE tmp-chk-h.c;*
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$
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$tmp_chk_h: subroutine
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$ set noOn
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$ hname = f$edit("<" + (p1 - "HAVE_" - "_H") + ".h>","LOWERCASE")
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$ write sys$output "Checking for ''hname'."
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$ if f$search("tmp-chk-h.obj").nes."" then DELETE tmp-chk-h.obj;*
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$ define/noLog sys$error _NL: !can't use /User_Mode here due to gcc
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$ define/noLog sys$output _NL: ! driver's use of multiple image activation
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$ gcc /Include=([],[-.include]) /Define=("''p1'") tmp-chk-h.c
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$!can't just check $status; gcc 2.6.[0-3] preprocessor doesn't set it correctly
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$ ok = (($status.and.1).and.(f$search("tmp-chk-h.obj").nes."")) .or. %x10000000
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$ deassign sys$error !restore, more or less
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$ deassign sys$output
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$ if ok then DELETE tmp-chk-h.obj;*
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$ exit ok
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$ endsubroutine !tmp_chk_h
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$
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$!
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$! Done
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$!
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$ if f$search("config.status") .nes. "" then DELETE config.status;*
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$ open/write cfile []config.status
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$ write cfile "Links are now set up for use with a "+arch+" running VMS."
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$ close cfile
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$ type []config.status
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$exit
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$!
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$!
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$make: subroutine
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$ if f$search(p1).nes."" then DELETE 'p1';*
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$ create 'p1'
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$ if f$trnlnm("IFILE$").nes."" then close/noLog ifile$
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$ open/Append ifile$ 'p1'
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$ write ifile$ "#include ""''f$string(p2 - "[.config]")'"""
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$ close ifile$
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$ ECHO "Created ''p1' for ''p2'."
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$endsubroutine !make
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