365 lines
8.9 KiB
C
365 lines
8.9 KiB
C
/*
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* Copyright (c) 1992, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* This software was developed by the Computer Systems Engineering group
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* at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
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* contributed to Berkeley.
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*
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* All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Lawrence Berkeley Laboratories.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* @(#)mkmakefile.c 8.1 (Berkeley) 6/6/93
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*/
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#include <sys/param.h>
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#include <ctype.h>
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#include <errno.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "config.h"
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/*
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* Make the Makefile.
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*/
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static int emitdefs __P((FILE *));
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static int emitobjs __P((FILE *));
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static int emitcfiles __P((FILE *));
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static int emitsfiles __P((FILE *));
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static int emitfiles __P((FILE *, int));
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static int emitrules __P((FILE *));
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static int emitload __P((FILE *));
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int
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mkmakefile()
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{
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register FILE *ifp, *ofp;
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register int lineno;
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register int (*fn) __P((FILE *));
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register char *ofname;
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char line[BUFSIZ], ifname[200];
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(void)sprintf(ifname, "Makefile.%s", machine);
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if ((ifp = fopen(ifname, "r")) == NULL) {
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(void)fprintf(stderr, "config: cannot read %s: %s\n",
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ifname, strerror(errno));
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return (1);
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}
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ofname = path("Makefile");
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if ((ofp = fopen(ofname, "w")) == NULL) {
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(void)fprintf(stderr, "config: cannot write %s: %s\n",
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ofname, strerror(errno));
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free(ofname);
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return (1);
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}
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if (emitdefs(ofp) != 0)
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goto wrerror;
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lineno = 0;
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while (fgets(line, sizeof(line), ifp) != NULL) {
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lineno++;
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if (line[0] != '%') {
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if (fputs(line, ofp) < 0)
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goto wrerror;
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continue;
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}
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if (strcmp(line, "%OBJS\n") == 0)
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fn = emitobjs;
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else if (strcmp(line, "%CFILES\n") == 0)
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fn = emitcfiles;
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else if (strcmp(line, "%SFILES\n") == 0)
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fn = emitsfiles;
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else if (strcmp(line, "%RULES\n") == 0)
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fn = emitrules;
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else if (strcmp(line, "%LOAD\n") == 0)
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fn = emitload;
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else {
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xerror(ifname, lineno,
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"unknown %% construct ignored: %s", line);
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continue;
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}
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if ((*fn)(ofp))
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goto wrerror;
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}
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if (ferror(ifp)) {
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(void)fprintf(stderr,
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"config: error reading %s (at line %d): %s\n",
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ifname, lineno, strerror(errno));
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goto bad;
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/* (void)unlink(ofname); */
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free(ofname);
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return (1);
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}
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if (fclose(ofp)) {
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ofp = NULL;
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goto wrerror;
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}
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(void)fclose(ifp);
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free(ofname);
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return (0);
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wrerror:
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(void)fprintf(stderr, "config: error writing %s: %s\n",
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ofname, strerror(errno));
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bad:
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if (ofp != NULL)
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(void)fclose(ofp);
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/* (void)unlink(ofname); */
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free(ofname);
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return (1);
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}
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static int
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emitdefs(fp)
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register FILE *fp;
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{
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register struct nvlist *nv;
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register char *sp;
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if (fputs("IDENT=", fp) < 0)
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return (1);
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sp = "";
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for (nv = options; nv != NULL; nv = nv->nv_next) {
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if (fprintf(fp, "%s-D%s%s%s", sp, nv->nv_name,
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nv->nv_str ? "=" : "", nv->nv_str ? nv->nv_str : "") < 0)
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return (1);
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sp = " ";
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}
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if (putc('\n', fp) < 0)
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return (1);
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if (fprintf(fp, "PARAM=-DMAXUSERS=%d\n", maxusers) < 0)
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return (1);
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for (nv = mkoptions; nv != NULL; nv = nv->nv_next)
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if (fprintf(fp, "%s=%s\n", nv->nv_name, nv->nv_str) < 0)
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return (1);
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return (0);
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}
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static int
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emitobjs(fp)
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register FILE *fp;
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{
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register struct files *fi;
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register int lpos, len, sp;
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if (fputs("OBJS=", fp) < 0)
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return (1);
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sp = '\t';
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lpos = 7;
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for (fi = allfiles; fi != NULL; fi = fi->fi_next) {
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if ((fi->fi_flags & FI_SEL) == 0)
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continue;
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len = strlen(fi->fi_base) + 2;
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if (lpos + len > 72) {
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if (fputs(" \\\n", fp) < 0)
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return (1);
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sp = '\t';
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lpos = 7;
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}
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if (fprintf(fp, "%c%s.o", sp, fi->fi_base) < 0)
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return (1);
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lpos += len + 1;
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sp = ' ';
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}
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if (lpos != 7 && putc('\n', fp) < 0)
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return (1);
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return (0);
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}
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static int
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emitcfiles(fp)
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FILE *fp;
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{
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return (emitfiles(fp, 'c'));
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}
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static int
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emitsfiles(fp)
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FILE *fp;
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{
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return (emitfiles(fp, 's'));
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}
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static int
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emitfiles(fp, suffix)
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register FILE *fp;
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int suffix;
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{
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register struct files *fi;
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register struct config *cf;
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register int lpos, len, sp;
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char swapname[100];
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if (fprintf(fp, "%cFILES=", toupper(suffix)) < 0)
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return (1);
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sp = '\t';
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lpos = 7;
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for (fi = allfiles; fi != NULL; fi = fi->fi_next) {
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if ((fi->fi_flags & FI_SEL) == 0)
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continue;
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len = strlen(fi->fi_path);
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if (fi->fi_path[len - 1] != suffix)
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continue;
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if (*fi->fi_path != '/')
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len += 3; /* "$S/" */
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if (lpos + len > 72) {
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if (fputs(" \\\n", fp) < 0)
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return (1);
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sp = '\t';
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lpos = 7;
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}
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if (fprintf(fp, "%c%s%s", sp, *fi->fi_path != '/' ? "$S/" : "",
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fi->fi_path) < 0)
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return (1);
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lpos += len + 1;
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sp = ' ';
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}
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/*
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* The allfiles list does not include the configuration-specific
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* C source files. These files should be eliminated someday, but
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* for now, we have to add them to ${CFILES} (and only ${CFILES}).
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*/
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if (suffix == 'c') {
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for (cf = allcf; cf != NULL; cf = cf->cf_next) {
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if (cf->cf_root == NULL)
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(void)sprintf(swapname,
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"$S/%s/%s/swapgeneric.c",
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machine, machine);
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else
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(void)sprintf(swapname, "swap%s.c",
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cf->cf_name);
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len = strlen(swapname);
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if (lpos + len > 72) {
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if (fputs(" \\\n", fp) < 0)
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return (1);
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sp = '\t';
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lpos = 7;
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}
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if (fprintf(fp, "%c%s", sp, swapname) < 0)
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return (1);
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lpos += len + 1;
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sp = ' ';
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}
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}
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if (lpos != 7 && putc('\n', fp) < 0)
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return (1);
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return (0);
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}
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/*
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* Emit the make-rules.
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*/
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static int
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emitrules(fp)
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register FILE *fp;
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{
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register struct files *fi;
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register const char *cp;
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int ch;
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char buf[200];
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for (fi = allfiles; fi != NULL; fi = fi->fi_next) {
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if ((fi->fi_flags & FI_SEL) == 0)
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continue;
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if (fprintf(fp, "%s.o: %s%s\n", fi->fi_base,
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*fi->fi_path != '/' ? "$S/" : "", fi->fi_path) < 0)
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return (1);
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if ((cp = fi->fi_mkrule) == NULL) {
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cp = fi->fi_flags & FI_DRIVER ? "DRIVER" : "NORMAL";
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ch = fi->fi_lastc;
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if (islower(ch))
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ch = toupper(ch);
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(void)sprintf(buf, "${%s_%c%s}", cp, ch,
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fi->fi_flags & FI_CONFIGDEP ? "_C" : "");
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cp = buf;
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}
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if (fprintf(fp, "\t%s\n\n", cp) < 0)
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return (1);
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}
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return (0);
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}
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/*
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* Emit the load commands.
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*
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* This function is not to be called `spurt'.
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*/
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static int
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emitload(fp)
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register FILE *fp;
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{
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register struct config *cf;
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register const char *nm, *swname;
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int first;
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if (fputs("all:", fp) < 0)
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return (1);
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for (cf = allcf; cf != NULL; cf = cf->cf_next) {
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if (fprintf(fp, " %s", cf->cf_name) < 0)
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return (1);
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}
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if (fputs("\n\n", fp) < 0)
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return (1);
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for (first = 1, cf = allcf; cf != NULL; cf = cf->cf_next) {
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nm = cf->cf_name;
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swname = cf->cf_root != NULL ? cf->cf_name : "generic";
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if (fprintf(fp, "%s: ${SYSTEM_DEP} swap%s.o", nm, swname) < 0)
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return (1);
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if (first) {
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if (fputs(" newvers", fp) < 0)
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return (1);
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first = 0;
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}
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if (fprintf(fp, "\n\
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\t${SYSTEM_LD_HEAD}\n\
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\t${SYSTEM_LD} swap%s.o\n\
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\t${SYSTEM_LD_TAIL}\n\
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\n\
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swap%s.o: ", swname, swname) < 0)
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return (1);
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if (cf->cf_root != NULL) {
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if (fprintf(fp, "swap%s.c\n", nm) < 0)
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return (1);
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} else {
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if (fprintf(fp, "$S/%s/%s/swapgeneric.c\n",
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machine, machine) < 0)
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return (1);
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}
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if (fputs("\t${NORMAL_C}\n\n", fp) < 0)
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return (1);
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}
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return (0);
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}
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