4.4BSD/usr/src/usr.sbin/config.new/mkmakefile.c
/*
* Copyright (c) 1992, 1993
* The Regents of the University of California. All rights reserved.
*
* This software was developed by the Computer Systems Engineering group
* at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
* contributed to Berkeley.
*
* All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Lawrence Berkeley Laboratories.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* @(#)mkmakefile.c 8.1 (Berkeley) 6/6/93
*/
#include <sys/param.h>
#include <ctype.h>
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "config.h"
/*
* Make the Makefile.
*/
static int emitdefs __P((FILE *));
static int emitobjs __P((FILE *));
static int emitcfiles __P((FILE *));
static int emitsfiles __P((FILE *));
static int emitfiles __P((FILE *, int));
static int emitrules __P((FILE *));
static int emitload __P((FILE *));
int
mkmakefile()
{
register FILE *ifp, *ofp;
register int lineno;
register int (*fn) __P((FILE *));
register char *ofname;
char line[BUFSIZ], ifname[200];
(void)sprintf(ifname, "Makefile.%s", machine);
if ((ifp = fopen(ifname, "r")) == NULL) {
(void)fprintf(stderr, "config: cannot read %s: %s\n",
ifname, strerror(errno));
return (1);
}
ofname = path("Makefile");
if ((ofp = fopen(ofname, "w")) == NULL) {
(void)fprintf(stderr, "config: cannot write %s: %s\n",
ofname, strerror(errno));
free(ofname);
return (1);
}
if (emitdefs(ofp) != 0)
goto wrerror;
lineno = 0;
while (fgets(line, sizeof(line), ifp) != NULL) {
lineno++;
if (line[0] != '%') {
if (fputs(line, ofp) < 0)
goto wrerror;
continue;
}
if (strcmp(line, "%OBJS\n") == 0)
fn = emitobjs;
else if (strcmp(line, "%CFILES\n") == 0)
fn = emitcfiles;
else if (strcmp(line, "%SFILES\n") == 0)
fn = emitsfiles;
else if (strcmp(line, "%RULES\n") == 0)
fn = emitrules;
else if (strcmp(line, "%LOAD\n") == 0)
fn = emitload;
else {
xerror(ifname, lineno,
"unknown %% construct ignored: %s", line);
continue;
}
if ((*fn)(ofp))
goto wrerror;
}
if (ferror(ifp)) {
(void)fprintf(stderr,
"config: error reading %s (at line %d): %s\n",
ifname, lineno, strerror(errno));
goto bad;
/* (void)unlink(ofname); */
free(ofname);
return (1);
}
if (fclose(ofp)) {
ofp = NULL;
goto wrerror;
}
(void)fclose(ifp);
free(ofname);
return (0);
wrerror:
(void)fprintf(stderr, "config: error writing %s: %s\n",
ofname, strerror(errno));
bad:
if (ofp != NULL)
(void)fclose(ofp);
/* (void)unlink(ofname); */
free(ofname);
return (1);
}
static int
emitdefs(fp)
register FILE *fp;
{
register struct nvlist *nv;
register char *sp;
if (fputs("IDENT=", fp) < 0)
return (1);
sp = "";
for (nv = options; nv != NULL; nv = nv->nv_next) {
if (fprintf(fp, "%s-D%s%s%s", sp, nv->nv_name,
nv->nv_str ? "=" : "", nv->nv_str ? nv->nv_str : "") < 0)
return (1);
sp = " ";
}
if (putc('\n', fp) < 0)
return (1);
if (fprintf(fp, "PARAM=-DMAXUSERS=%d\n", maxusers) < 0)
return (1);
for (nv = mkoptions; nv != NULL; nv = nv->nv_next)
if (fprintf(fp, "%s=%s\n", nv->nv_name, nv->nv_str) < 0)
return (1);
return (0);
}
static int
emitobjs(fp)
register FILE *fp;
{
register struct files *fi;
register int lpos, len, sp;
if (fputs("OBJS=", fp) < 0)
return (1);
sp = '\t';
lpos = 7;
for (fi = allfiles; fi != NULL; fi = fi->fi_next) {
if ((fi->fi_flags & FI_SEL) == 0)
continue;
len = strlen(fi->fi_base) + 2;
if (lpos + len > 72) {
if (fputs(" \\\n", fp) < 0)
return (1);
sp = '\t';
lpos = 7;
}
if (fprintf(fp, "%c%s.o", sp, fi->fi_base) < 0)
return (1);
lpos += len + 1;
sp = ' ';
}
if (lpos != 7 && putc('\n', fp) < 0)
return (1);
return (0);
}
static int
emitcfiles(fp)
FILE *fp;
{
return (emitfiles(fp, 'c'));
}
static int
emitsfiles(fp)
FILE *fp;
{
return (emitfiles(fp, 's'));
}
static int
emitfiles(fp, suffix)
register FILE *fp;
int suffix;
{
register struct files *fi;
register struct config *cf;
register int lpos, len, sp;
char swapname[100];
if (fprintf(fp, "%cFILES=", toupper(suffix)) < 0)
return (1);
sp = '\t';
lpos = 7;
for (fi = allfiles; fi != NULL; fi = fi->fi_next) {
if ((fi->fi_flags & FI_SEL) == 0)
continue;
len = strlen(fi->fi_path);
if (fi->fi_path[len - 1] != suffix)
continue;
if (*fi->fi_path != '/')
len += 3; /* "$S/" */
if (lpos + len > 72) {
if (fputs(" \\\n", fp) < 0)
return (1);
sp = '\t';
lpos = 7;
}
if (fprintf(fp, "%c%s%s", sp, *fi->fi_path != '/' ? "$S/" : "",
fi->fi_path) < 0)
return (1);
lpos += len + 1;
sp = ' ';
}
/*
* The allfiles list does not include the configuration-specific
* C source files. These files should be eliminated someday, but
* for now, we have to add them to ${CFILES} (and only ${CFILES}).
*/
if (suffix == 'c') {
for (cf = allcf; cf != NULL; cf = cf->cf_next) {
if (cf->cf_root == NULL)
(void)sprintf(swapname,
"$S/%s/%s/swapgeneric.c",
machine, machine);
else
(void)sprintf(swapname, "swap%s.c",
cf->cf_name);
len = strlen(swapname);
if (lpos + len > 72) {
if (fputs(" \\\n", fp) < 0)
return (1);
sp = '\t';
lpos = 7;
}
if (fprintf(fp, "%c%s", sp, swapname) < 0)
return (1);
lpos += len + 1;
sp = ' ';
}
}
if (lpos != 7 && putc('\n', fp) < 0)
return (1);
return (0);
}
/*
* Emit the make-rules.
*/
static int
emitrules(fp)
register FILE *fp;
{
register struct files *fi;
register const char *cp;
int ch;
char buf[200];
for (fi = allfiles; fi != NULL; fi = fi->fi_next) {
if ((fi->fi_flags & FI_SEL) == 0)
continue;
if (fprintf(fp, "%s.o: %s%s\n", fi->fi_base,
*fi->fi_path != '/' ? "$S/" : "", fi->fi_path) < 0)
return (1);
if ((cp = fi->fi_mkrule) == NULL) {
cp = fi->fi_flags & FI_DRIVER ? "DRIVER" : "NORMAL";
ch = fi->fi_lastc;
if (islower(ch))
ch = toupper(ch);
(void)sprintf(buf, "${%s_%c%s}", cp, ch,
fi->fi_flags & FI_CONFIGDEP ? "_C" : "");
cp = buf;
}
if (fprintf(fp, "\t%s\n\n", cp) < 0)
return (1);
}
return (0);
}
/*
* Emit the load commands.
*
* This function is not to be called `spurt'.
*/
static int
emitload(fp)
register FILE *fp;
{
register struct config *cf;
register const char *nm, *swname;
int first;
if (fputs("all:", fp) < 0)
return (1);
for (cf = allcf; cf != NULL; cf = cf->cf_next) {
if (fprintf(fp, " %s", cf->cf_name) < 0)
return (1);
}
if (fputs("\n\n", fp) < 0)
return (1);
for (first = 1, cf = allcf; cf != NULL; cf = cf->cf_next) {
nm = cf->cf_name;
swname = cf->cf_root != NULL ? cf->cf_name : "generic";
if (fprintf(fp, "%s: ${SYSTEM_DEP} swap%s.o", nm, swname) < 0)
return (1);
if (first) {
if (fputs(" newvers", fp) < 0)
return (1);
first = 0;
}
if (fprintf(fp, "\n\
\t${SYSTEM_LD_HEAD}\n\
\t${SYSTEM_LD} swap%s.o\n\
\t${SYSTEM_LD_TAIL}\n\
\n\
swap%s.o: ", swname, swname) < 0)
return (1);
if (cf->cf_root != NULL) {
if (fprintf(fp, "swap%s.c\n", nm) < 0)
return (1);
} else {
if (fprintf(fp, "$S/%s/%s/swapgeneric.c\n",
machine, machine) < 0)
return (1);
}
if (fputs("\t${NORMAL_C}\n\n", fp) < 0)
return (1);
}
return (0);
}