522 lines
12 KiB
C
522 lines
12 KiB
C
/* $NetBSD: mkmakefile.c,v 1.5 2006/10/04 20:34:48 dsl 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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#if HAVE_NBTOOL_CONFIG_H
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#include "nbtool_config.h"
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#endif
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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 "defs.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 const char *prefix_prologue(const char *);
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static const char *filetype_prologue(struct filetype *);
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static void emitdefs(FILE *);
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static void emitfiles(FILE *, int, int);
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static void emitobjs(FILE *);
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static void emitcfiles(FILE *);
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static void emitsfiles(FILE *);
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static void emitrules(FILE *);
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static void emitload(FILE *);
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static void emitincludes(FILE *);
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static void emitappmkoptions(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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void (*fn)(FILE *);
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char *ifname;
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char line[BUFSIZ], buf[200];
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/* Try a makefile for the port first.
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*/
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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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/* Try a makefile for the architecture second.
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*/
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(void)snprintf(buf, sizeof(buf), "arch/%s/conf/Makefile.%s",
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machinearch, machinearch);
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free(ifname);
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ifname = sourcepath(buf);
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ifp = fopen(ifname, "r");
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}
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if (ifp == 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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goto bad2;
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}
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if ((ofp = fopen("Makefile.tmp", "w")) == NULL) {
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(void)fprintf(stderr, "config: cannot write Makefile: %s\n",
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strerror(errno));
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goto bad1;
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}
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emitdefs(ofp);
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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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fputs(line, ofp);
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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 if (strcmp(line, "%INCLUDES\n") == 0)
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fn = emitincludes;
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else if (strcmp(line, "%MAKEOPTIONSAPPEND\n") == 0)
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fn = emitappmkoptions;
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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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(*fn)(ofp);
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}
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fflush(ofp);
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if (ferror(ofp))
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goto wrerror;
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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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}
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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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if (moveifchanged("Makefile.tmp", "Makefile") != 0) {
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(void)fprintf(stderr,
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"config: error renaming Makefile: %s\n",
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strerror(errno));
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goto bad2;
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}
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free(ifname);
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return (0);
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wrerror:
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(void)fprintf(stderr, "config: error writing Makefile: %s\n",
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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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bad1:
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(void)fclose(ifp);
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/* (void)unlink("Makefile.tmp"); */
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bad2:
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free(ifname);
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return (1);
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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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#if 1
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/* Always have source, don't support object dirs for kernel builds. */
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return (fi->fi_path);
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#else
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static char buf[MAXPATHLEN];
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if (have_source || (fi->fi_flags & FI_ALWAYSSRC) != 0)
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return (fi->fi_path);
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if (objpath == NULL) {
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error("obj-directory not set");
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return (NULL);
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}
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(void)snprintf(buf, sizeof buf, "%s/%s.o", objpath, fi->fi_base);
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return (buf);
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#endif
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}
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static const char *
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filetype_prologue(struct filetype *fit)
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{
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if (fit->fit_flags & FIT_NOPROLOGUE || *fit->fit_path == '/')
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return ("");
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else
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return ("$S/");
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}
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static const char *
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prefix_prologue(const char *path)
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{
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if (*path == '/')
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return ("");
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else
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return ("$S/");
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}
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static void
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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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fprintf(fp, "KERNEL_BUILD=%s\n", conffile);
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fputs("IDENT=", fp);
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sp = "";
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for (nv = options; nv != NULL; nv = nv->nv_next) {
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/* skip any options output to a header file */
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if (DEFINED_OPTION(nv->nv_name))
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continue;
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fprintf(fp, "%s-D%s", sp, nv->nv_name);
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if (nv->nv_str)
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fprintf(fp, "=\"%s\"", nv->nv_str);
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sp = " ";
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}
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putc('\n', fp);
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fprintf(fp, "PARAM=-DMAXUSERS=%d\n", maxusers);
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fprintf(fp, "MACHINE=%s\n", machine);
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if (*srcdir == '/' || *srcdir == '.') {
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fprintf(fp, "S=\t%s\n", srcdir);
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} else {
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/*
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* libkern and libcompat "Makefile.inc"s want relative S
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* specification to begin with '.'.
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*/
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fprintf(fp, "S=\t./%s\n", srcdir);
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}
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for (nv = mkoptions; nv != NULL; nv = nv->nv_next)
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fprintf(fp, "%s=%s\n", nv->nv_name, nv->nv_str);
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}
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static void
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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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fputs("OBJS=", fp);
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sp = '\t';
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lpos = 7;
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TAILQ_FOREACH(fi, &allfiles, 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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fputs(" \\\n", fp);
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sp = '\t';
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lpos = 7;
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}
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fprintf(fp, "%c%s.o", sp, fi->fi_base);
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lpos += len + 1;
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sp = ' ';
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}
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TAILQ_FOREACH(oi, &allobjects, 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);
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if (*oi->oi_path != '/')
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{
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/* e.g. "$S/" */
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if (oi->oi_prefix != NULL)
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len += strlen(prefix_prologue(oi->oi_path)) +
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strlen(oi->oi_prefix) + 1;
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else
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len += strlen(filetype_prologue(&oi->oi_fit));
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}
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if (lpos + len > 72) {
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fputs(" \\\n", fp);
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sp = '\t';
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lpos = 7;
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}
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if (*oi->oi_path == '/') {
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fprintf(fp, "%c%s", sp, oi->oi_path);
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} else {
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if (oi->oi_prefix != NULL) {
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fprintf(fp, "%c%s%s/%s", sp,
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prefix_prologue(oi->oi_path),
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oi->oi_prefix, oi->oi_path);
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} else {
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fprintf(fp, "%c%s%s", sp,
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filetype_prologue(&oi->oi_fit),
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oi->oi_path);
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}
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}
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lpos += len + 1;
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sp = ' ';
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}
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putc('\n', fp);
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}
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static void
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emitcfiles(FILE *fp)
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{
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emitfiles(fp, 'c', 0);
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}
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static void
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emitsfiles(FILE *fp)
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{
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emitfiles(fp, 's', 'S');
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}
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static void
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emitfiles(FILE *fp, int suffix, int upper_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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struct config *cf;
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char swapname[100];
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fprintf(fp, "%cFILES=", toupper(suffix));
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sp = '\t';
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lpos = 7;
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TAILQ_FOREACH(fi, &allfiles, fi_next) {
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if ((fi->fi_flags & FI_SEL) == 0)
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continue;
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fpath = srcpath(fi);
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len = strlen(fpath);
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if (fpath[len - 1] != suffix && fpath[len - 1] != upper_suffix)
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continue;
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if (*fpath != '/') {
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/* "$S/" */
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if (fi->fi_prefix != NULL)
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len += strlen(prefix_prologue(fi->fi_prefix)) +
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strlen(fi->fi_prefix) + 1;
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else
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len += strlen(filetype_prologue(&fi->fi_fit));
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}
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if (lpos + len > 72) {
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fputs(" \\\n", fp);
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sp = '\t';
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lpos = 7;
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}
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if (*fi->fi_path == '/') {
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fprintf(fp, "%c%s", sp, fpath);
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} else {
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if (fi->fi_prefix != NULL) {
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fprintf(fp, "%c%s%s/%s", sp,
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prefix_prologue(fi->fi_prefix),
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fi->fi_prefix, fpath);
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} else {
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fprintf(fp, "%c%s%s", sp,
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filetype_prologue(&fi->fi_fit),
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fpath);
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}
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}
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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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TAILQ_FOREACH(cf, &allcf, cf_next) {
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(void)snprintf(swapname, sizeof(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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fputs(" \\\n", fp);
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sp = '\t';
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lpos = 7;
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}
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fprintf(fp, "%c%s", sp, swapname);
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lpos += len + 1;
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sp = ' ';
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}
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}
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putc('\n', fp);
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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 void
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emitrules(FILE *fp)
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{
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struct files *fi;
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const char *cp, *fpath;
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int ch;
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char buf[200];
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TAILQ_FOREACH(fi, &allfiles, fi_next) {
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if ((fi->fi_flags & FI_SEL) == 0)
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continue;
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fpath = srcpath(fi);
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if (*fpath == '/') {
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fprintf(fp, "%s.o: %s\n", fi->fi_base, fpath);
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} else {
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if (fi->fi_prefix != NULL) {
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fprintf(fp, "%s.o: %s%s/%s\n", fi->fi_base,
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prefix_prologue(fi->fi_prefix),
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fi->fi_prefix, fpath);
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} else {
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fprintf(fp, "%s.o: %s%s\n",
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fi->fi_base,
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filetype_prologue(&fi->fi_fit),
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fpath);
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}
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}
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if ((cp = fi->fi_mkrule) == NULL) {
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cp = "NORMAL";
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ch = fpath[strlen(fpath) - 1];
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if (islower(ch))
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ch = toupper(ch);
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(void)snprintf(buf, sizeof(buf), "${%s_%c}", cp, ch);
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cp = buf;
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}
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fprintf(fp, "\t%s\n\n", cp);
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}
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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 void
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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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fputs(".MAIN: all\nall:", fp);
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TAILQ_FOREACH(cf, &allcf, cf_next) {
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fprintf(fp, " %s", cf->cf_name);
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}
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fputs("\n\n", fp);
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TAILQ_FOREACH(cf, &allcf, 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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fprintf(fp, "KERNELS+=%s\n", nm);
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fprintf(fp, "%s: ${SYSTEM_DEP} swap${.TARGET}.o vers.o", nm);
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fprintf(fp, "\n"
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"\t${SYSTEM_LD_HEAD}\n"
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"\t${SYSTEM_LD} swap${.TARGET}.o\n"
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"\t${SYSTEM_LD_TAIL}\n"
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"\n"
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"swap%s.o: swap%s.c\n"
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"\t${NORMAL_C}\n\n", swname, swname);
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}
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}
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/*
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* Emit include headers (for any prefixes encountered)
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*/
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static void
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emitincludes(FILE *fp)
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{
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struct prefix *pf;
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SLIST_FOREACH(pf, &allprefixes, pf_next) {
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fprintf(fp, "EXTRA_INCLUDES+=\t-I%s%s\n",
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prefix_prologue(pf->pf_prefix), pf->pf_prefix);
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}
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}
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static int
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print_condmkopts(const char *name, void *value, void *arg)
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{
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struct nvlist *nv;
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FILE *fp = arg;
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if (ht_lookup(selecttab, name) == 0)
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return (0);
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for (nv = value; nv != NULL; nv = nv->nv_next)
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fprintf(fp, "%s+=%s\n", nv->nv_name, nv->nv_str);
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return (0);
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}
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/*
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* Emit appending makeoptions.
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*/
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static void
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emitappmkoptions(FILE *fp)
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{
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struct nvlist *nv;
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for (nv = appmkoptions; nv != NULL; nv = nv->nv_next)
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fprintf(fp, "%s+=%s\n", nv->nv_name, nv->nv_str);
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ht_enumerate(condmkopttab, print_condmkopts, fp);
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}
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