537 lines
12 KiB
C
537 lines
12 KiB
C
/* $OpenBSD: mkmakefile.c,v 1.48 2021/11/28 19:26:03 deraadt Exp $ */
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/* $NetBSD: mkmakefile.c,v 1.34 1997/02/02 21:12:36 thorpej Exp $ */
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/*
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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. 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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* from: @(#)mkmakefile.c 8.1 (Berkeley) 6/6/93
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*/
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#include <ctype.h>
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#include <err.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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#include "sem.h"
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/*
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* Make the Makefile.
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*/
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static const char *srcpath(struct files *);
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static int emitdefs(FILE *);
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static int emitreconfig(FILE *);
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static int emitfiles(FILE *, int);
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static int emitobjs(FILE *);
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static int emitcfiles(FILE *);
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static int emitsfiles(FILE *);
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static int emitrules(FILE *);
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static int emitload(FILE *);
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int
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mkmakefile(void)
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{
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FILE *ifp, *ofp;
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int lineno;
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int (*fn)(FILE *);
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char *ifname;
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char line[BUFSIZ], buf[200];
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(void)snprintf(buf, sizeof buf, "arch/%s/conf/Makefile.%s",
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machine, machine);
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ifname = sourcepath(buf);
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if ((ifp = fopen(ifname, "r")) == NULL) {
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warn("cannot read %s", ifname);
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free(ifname);
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return (1);
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}
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if ((ofp = fopen("Makefile", "w")) == NULL) {
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warn("cannot write Makefile");
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free(ifname);
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(void)fclose(ifp);
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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) == EOF)
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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 (startdir != NULL) {
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if (emitreconfig(ofp) != 0)
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goto wrerror;
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}
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if (ferror(ifp)) {
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warn("error reading %s (at line %d)", ifname, lineno);
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goto bad;
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}
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if (fclose(ofp) == EOF) {
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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(ifname);
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return (0);
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wrerror:
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warn("error writing Makefile");
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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("Makefile"); */
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free(ifname);
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return (1);
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}
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char *
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expandname(const char *_nam)
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{
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char *ret = NULL, *nam, *n, *s, *e, *expand;
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const char *var = NULL;
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if ((nam = n = strdup(_nam)) == NULL)
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errx(1, "out of memory");
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while (*n) {
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/* Search for a ${name} to expand */
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if ((s = strchr(n, '$')) == NULL) {
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if (ret == NULL)
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break;
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if (asprintf(&expand, "%s%s", ret, n) == -1)
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errx(1, "out of memory");
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free(ret);
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ret = expand;
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break;
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}
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*s++ = '\0';
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if (*s != '{')
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error("{");
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e = strchr(++s, '}');
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if (!e)
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error("}");
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*e = '\0';
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if (strcmp(s, "MACHINE_ARCH") == 0)
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var = machinearch ? machinearch : machine;
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else if (strcmp(s, "MACHINE") == 0)
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var = machine;
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else
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error("variable `%s' not supported", s);
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if (asprintf(&expand, "%s%s", ret ? ret : nam, var) == -1)
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errx(1, "out of memory");
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free(ret);
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ret = expand;
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n = e + 1;
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}
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free(nam);
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return (ret);
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}
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/*
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* Return (possibly in a static buffer) the name of the `source' for a
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* file. If we have `options source', or if the file is marked `always
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* source', this is always the path from the `file' line; otherwise we
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* get the .o from the obj-directory.
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*/
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static const char *
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srcpath(struct files *fi)
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{
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/* Always have source, don't support object dirs for kernel builds. */
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struct nvlist *nv, *nv1;
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char *expand, *source;
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/* Search path list for files we will want to use */
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if (fi->fi_nvpath->nv_next == NULL) {
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nv = fi->fi_nvpath;
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goto onlyone;
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}
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for (nv = fi->fi_nvpath; nv; nv = nv->nv_next) {
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expand = expandname(nv->nv_name);
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source = sourcepath(expand ? expand : nv->nv_name);
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if (access(source, R_OK) == 0) {
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if (expand)
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nv->nv_name = intern(expand);
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break;
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}
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free(expand);
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free(source);
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}
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if (nv == NULL)
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nv = fi->fi_nvpath;
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/*
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* Now that we know which path is selected, delete all the
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* other paths to skip the access() checks next time.
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*/
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while ((nv1 = fi->fi_nvpath)) {
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nv1 = nv1->nv_next;
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if (fi->fi_nvpath != nv)
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nvfree(fi->fi_nvpath);
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fi->fi_nvpath = nv1;
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}
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fi->fi_nvpath = nv;
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nv->nv_next = NULL;
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onlyone:
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return (nv->nv_name);
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}
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static int
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emitdefs(FILE *fp)
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{
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struct nvlist *nv;
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char *sp;
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if (fputs("IDENT=", fp) == EOF)
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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 (ht_lookup(defopttab, nv->nv_name) != NULL)
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continue;
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if (fprintf(fp, "%s-D%s", sp, nv->nv_name) < 0)
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return 1;
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if (nv->nv_str)
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if (fprintf(fp, "=\"%s\"", 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) == EOF)
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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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if (fprintf(fp, "S=\t%s\n", srcdir) < 0)
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return (1);
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if (fprintf(fp, "_mach=%s\n", machine) < 0)
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return (1);
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if (fprintf(fp, "_arch=%s\n", machinearch ? machinearch : machine) < 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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emitreconfig(FILE *fp)
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{
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if (fputs("\n"
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".PHONY: config\n"
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"config:\n", fp) == EOF)
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return (1);
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if (fprintf(fp, "\tcd %s && config ", startdir) < 0)
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return (1);
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if (pflag) {
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if (fputs("-p ", fp) == EOF)
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return (1);
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}
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if (sflag) {
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if (fprintf(fp, "-s %s ", sflag) < 0)
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return (1);
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}
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if (bflag) {
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if (fprintf(fp, "-b %s ", bflag) < 0)
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return (1);
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}
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/* other options */
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if (fprintf(fp, "%s\n", conffile) < 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(FILE *fp)
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{
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struct files *fi;
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struct objects *oi;
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int lpos, len, sp;
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const char *fpath;
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if (fputs("OBJS=", fp) == EOF)
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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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if ((fpath = srcpath(fi)) == NULL)
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return (1);
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len = strlen(fi->fi_base) + 3;
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if (lpos + len > 72) {
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if (fputs(" \\\n", fp) == EOF)
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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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for (oi = allobjects; oi != NULL; oi = oi->oi_next) {
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if ((oi->oi_flags & OI_SEL) == 0)
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continue;
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len = strlen(oi->oi_path) + 3;
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if (lpos + len > 72) {
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if (fputs(" \\\n", fp) == EOF)
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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, oi->oi_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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if (putc('\n', fp) == EOF)
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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(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(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(FILE *fp, int suffix)
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{
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struct files *fi;
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int lpos, len, sp;
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const char *fpath;
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char uppersuffix = toupper((unsigned char)suffix);
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if (fprintf(fp, "%cFILES=", uppersuffix) < 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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if ((fpath = srcpath(fi)) == NULL)
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return (1);
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len = strlen(fpath);
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if (fpath[len - 1] != suffix && fpath[len - 1] != uppersuffix)
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continue;
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if (*fpath != '/')
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len += 3; /* "$S/" */
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if (lpos + len > 72) {
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if (fputs(" \\\n", fp) == EOF)
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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, *fpath != '/' ? "$S/" : "",
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fpath) < 0)
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return (1);
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lpos += len + 1;
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sp = ' ';
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}
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if (putc('\n', fp) == EOF)
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return (1);
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return (0);
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}
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/*
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* Emit the make-rules.
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*/
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static int
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emit_1rule(FILE *fp, struct files *fi, const char *fpath, const char *suffix)
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{
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if (fprintf(fp, "%s%s: %s%s\n", fi->fi_base, suffix,
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*fpath != '/' ? "$S/" : "", fpath) < 0)
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return (1);
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if (fi->fi_mkrule != NULL) {
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if (fprintf(fp, "\t%s\n\n", fi->fi_mkrule) < 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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static int
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emitrules(FILE *fp)
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{
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struct files *fi;
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const char *fpath;
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/* write suffixes */
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if (fprintf(fp,
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".SUFFIXES:\n"
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".SUFFIXES: .s .S .c .o\n\n"
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".PHONY: depend all install clean tags newbsd update-link\n\n"
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".c.o:\n"
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"\t${NORMAL_C}\n\n"
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".s.o:\n"
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"\t${NORMAL_S}\n\n"
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".S.o:\n"
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"\t${NORMAL_S}\n\n") < 0)
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return (1);
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for (fi = allfiles; fi != NULL; fi = fi->fi_next) {
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if ((fi->fi_flags & FI_SEL) == 0)
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continue;
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if ((fpath = srcpath(fi)) == NULL)
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return (1);
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/* special rule: need to emit them independently */
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if (fi->fi_mkrule) {
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if (emit_1rule(fp, fi, fpath, ".o"))
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return (1);
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/* simple default rule */
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} else {
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if (fprintf(fp, "%s.o: %s%s\n", fi->fi_base,
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*fpath != '/' ? "$S/" : "", fpath) < 0)
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return (1);
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}
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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(FILE *fp)
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{
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struct config *cf;
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const char *nm, *swname;
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int first;
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if (fputs("all:", fp) == EOF)
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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) == EOF)
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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 =
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cf->cf_root != NULL ? cf->cf_name : "generic";
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if (fprintf(fp, "%s: ${SYSTEM_DEP} swap%s.o", nm, swname) < 0)
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return (1);
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if (first) {
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if (fputs(" vers.o", fp) == EOF)
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return (1);
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first = 0;
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}
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if (fprintf(fp, "\n"
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"\t${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, "$S/conf/swapgeneric.c\n") < 0)
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return (1);
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}
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if (fputs("\t${NORMAL_C}\n\n", fp) == EOF)
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return (1);
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if (fprintf(fp, "new%s:\n", nm) < 0)
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return (1);
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if (fprintf(fp,
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"\t${MAKE_GAP}\n"
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"\t${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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"\trm -f %s.gdb\n"
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"\tmv -f new%s %s\n\n",
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swname, nm, nm, nm) < 0)
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return (1);
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if (fprintf(fp, "update-link:\n") < 0)
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return (1);
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|
if (fprintf(fp,
|
|
"\tmkdir -p -m 700 /usr/share/relink/kernel\n"
|
|
"\trm -rf /usr/share/relink/kernel/%s /usr/share/relink/kernel.tgz\n"
|
|
"\tmkdir /usr/share/relink/kernel/%s\n"
|
|
"\ttar -chf - Makefile makegap.sh ld.script *.o | \\\n"
|
|
"\t tar -C /usr/share/relink/kernel/%s -xf -\n\n",
|
|
last_component, last_component, last_component) < 0)
|
|
return (1);
|
|
}
|
|
return (0);
|
|
}
|