1934 lines
46 KiB
C
1934 lines
46 KiB
C
/* $NetBSD: main.c,v 1.205 2013/01/26 15:53:00 christos Exp $ */
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/*
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* Copyright (c) 1988, 1989, 1990, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* This code is derived from software contributed to Berkeley by
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* Adam de Boor.
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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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/*
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* Copyright (c) 1989 by Berkeley Softworks
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* All rights reserved.
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*
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* This code is derived from software contributed to Berkeley by
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* Adam de Boor.
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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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#ifndef MAKE_NATIVE
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static char rcsid[] = "$NetBSD: main.c,v 1.205 2013/01/26 15:53:00 christos Exp $";
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#else
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#include <sys/cdefs.h>
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#ifndef lint
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__COPYRIGHT("@(#) Copyright (c) 1988, 1989, 1990, 1993\
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The Regents of the University of California. All rights reserved.");
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#endif /* not lint */
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#ifndef lint
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#if 0
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static char sccsid[] = "@(#)main.c 8.3 (Berkeley) 3/19/94";
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#else
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__RCSID("$NetBSD: main.c,v 1.205 2013/01/26 15:53:00 christos Exp $");
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#endif
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#endif /* not lint */
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#endif
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/*-
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* main.c --
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* The main file for this entire program. Exit routines etc
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* reside here.
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*
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* Utility functions defined in this file:
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* Main_ParseArgLine Takes a line of arguments, breaks them and
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* treats them as if they were given when first
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* invoked. Used by the parse module to implement
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* the .MFLAGS target.
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*
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* Error Print a tagged error message. The global
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* MAKE variable must have been defined. This
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* takes a format string and two optional
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* arguments for it.
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*
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* Fatal Print an error message and exit. Also takes
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* a format string and two arguments.
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*
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* Punt Aborts all jobs and exits with a message. Also
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* takes a format string and two arguments.
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*
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* Finish Finish things up by printing the number of
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* errors which occurred, as passed to it, and
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* exiting.
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*/
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#include <sys/types.h>
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#include <sys/time.h>
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#include <sys/param.h>
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#include <sys/resource.h>
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#include <signal.h>
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#include <sys/stat.h>
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#ifdef MAKE_NATIVE
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#include <sys/utsname.h>
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#endif
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#include "wait.h"
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#include <errno.h>
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#include <fcntl.h>
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#include <stdarg.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <time.h>
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#include "make.h"
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#include "hash.h"
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#include "dir.h"
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#include "job.h"
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#include "pathnames.h"
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#include "trace.h"
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#ifdef USE_IOVEC
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#include <sys/uio.h>
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#endif
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#ifndef DEFMAXLOCAL
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#define DEFMAXLOCAL DEFMAXJOBS
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#endif /* DEFMAXLOCAL */
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Lst create; /* Targets to be made */
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time_t now; /* Time at start of make */
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GNode *DEFAULT; /* .DEFAULT node */
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Boolean allPrecious; /* .PRECIOUS given on line by itself */
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static Boolean noBuiltins; /* -r flag */
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static Lst makefiles; /* ordered list of makefiles to read */
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static Boolean printVars; /* print value of one or more vars */
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static Lst variables; /* list of variables to print */
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int maxJobs; /* -j argument */
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static int maxJobTokens; /* -j argument */
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Boolean compatMake; /* -B argument */
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int debug; /* -d argument */
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Boolean debugVflag; /* -dV */
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Boolean noExecute; /* -n flag */
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Boolean noRecursiveExecute; /* -N flag */
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Boolean keepgoing; /* -k flag */
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Boolean queryFlag; /* -q flag */
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Boolean touchFlag; /* -t flag */
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Boolean ignoreErrors; /* -i flag */
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Boolean beSilent; /* -s flag */
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Boolean oldVars; /* variable substitution style */
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Boolean checkEnvFirst; /* -e flag */
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Boolean parseWarnFatal; /* -W flag */
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Boolean jobServer; /* -J flag */
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static int jp_0 = -1, jp_1 = -1; /* ends of parent job pipe */
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Boolean varNoExportEnv; /* -X flag */
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Boolean doing_depend; /* Set while reading .depend */
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static Boolean jobsRunning; /* TRUE if the jobs might be running */
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static const char * tracefile;
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static void MainParseArgs(int, char **);
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static int ReadMakefile(const void *, const void *);
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static void usage(void) MAKE_ATTR_DEAD;
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static Boolean ignorePWD; /* if we use -C, PWD is meaningless */
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static char objdir[MAXPATHLEN + 1]; /* where we chdir'ed to */
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char curdir[MAXPATHLEN + 1]; /* Startup directory */
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char *progname; /* the program name */
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char *makeDependfile;
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pid_t myPid;
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Boolean forceJobs = FALSE;
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/*
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* On some systems MACHINE is defined as something other than
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* what we want.
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*/
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#ifdef FORCE_MACHINE
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# undef MACHINE
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# define MACHINE FORCE_MACHINE
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#endif
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extern Lst parseIncPath;
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static void
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parse_debug_options(const char *argvalue)
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{
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const char *modules;
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const char *mode;
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char *fname;
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int len;
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for (modules = argvalue; *modules; ++modules) {
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switch (*modules) {
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case 'A':
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debug = ~0;
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break;
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case 'a':
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debug |= DEBUG_ARCH;
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break;
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case 'C':
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debug |= DEBUG_CWD;
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break;
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case 'c':
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debug |= DEBUG_COND;
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break;
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case 'd':
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debug |= DEBUG_DIR;
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break;
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case 'e':
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debug |= DEBUG_ERROR;
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break;
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case 'f':
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debug |= DEBUG_FOR;
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break;
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case 'g':
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if (modules[1] == '1') {
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debug |= DEBUG_GRAPH1;
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++modules;
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}
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else if (modules[1] == '2') {
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debug |= DEBUG_GRAPH2;
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++modules;
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}
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else if (modules[1] == '3') {
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debug |= DEBUG_GRAPH3;
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++modules;
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}
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break;
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case 'j':
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debug |= DEBUG_JOB;
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break;
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case 'l':
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debug |= DEBUG_LOUD;
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break;
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case 'M':
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debug |= DEBUG_META;
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break;
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case 'm':
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debug |= DEBUG_MAKE;
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break;
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case 'n':
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debug |= DEBUG_SCRIPT;
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break;
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case 'p':
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debug |= DEBUG_PARSE;
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break;
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case 's':
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debug |= DEBUG_SUFF;
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break;
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case 't':
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debug |= DEBUG_TARG;
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break;
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case 'V':
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debugVflag = TRUE;
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break;
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case 'v':
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debug |= DEBUG_VAR;
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break;
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case 'x':
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debug |= DEBUG_SHELL;
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break;
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case 'F':
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if (debug_file != stdout && debug_file != stderr)
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fclose(debug_file);
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if (*++modules == '+') {
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modules++;
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mode = "a";
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} else
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mode = "w";
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if (strcmp(modules, "stdout") == 0) {
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debug_file = stdout;
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goto debug_setbuf;
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}
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if (strcmp(modules, "stderr") == 0) {
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debug_file = stderr;
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goto debug_setbuf;
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}
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len = strlen(modules);
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fname = malloc(len + 20);
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memcpy(fname, modules, len + 1);
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/* Let the filename be modified by the pid */
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if (strcmp(fname + len - 3, ".%d") == 0)
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snprintf(fname + len - 2, 20, "%d", getpid());
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debug_file = fopen(fname, mode);
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if (!debug_file) {
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fprintf(stderr, "Cannot open debug file %s\n",
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fname);
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usage();
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}
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free(fname);
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goto debug_setbuf;
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default:
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(void)fprintf(stderr,
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"%s: illegal argument to d option -- %c\n",
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progname, *modules);
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usage();
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}
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}
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debug_setbuf:
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/*
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* Make the debug_file unbuffered, and make
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* stdout line buffered (unless debugfile == stdout).
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*/
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setvbuf(debug_file, NULL, _IONBF, 0);
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if (debug_file != stdout) {
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setvbuf(stdout, NULL, _IOLBF, 0);
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}
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}
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/*-
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* MainParseArgs --
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* Parse a given argument vector. Called from main() and from
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* Main_ParseArgLine() when the .MAKEFLAGS target is used.
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*
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* XXX: Deal with command line overriding .MAKEFLAGS in makefile
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*
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* Results:
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* None
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*
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* Side Effects:
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* Various global and local flags will be set depending on the flags
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* given
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*/
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static void
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MainParseArgs(int argc, char **argv)
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{
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char *p;
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int c = '?';
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int arginc;
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char *argvalue;
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const char *getopt_def;
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char *optscan;
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Boolean inOption, dashDash = FALSE;
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char found_path[MAXPATHLEN + 1]; /* for searching for sys.mk */
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#define OPTFLAGS "BC:D:I:J:NST:V:WXd:ef:ij:km:nqrst"
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/* Can't actually use getopt(3) because rescanning is not portable */
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getopt_def = OPTFLAGS;
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rearg:
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inOption = FALSE;
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optscan = NULL;
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while(argc > 1) {
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char *getopt_spec;
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if(!inOption)
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optscan = argv[1];
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c = *optscan++;
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arginc = 0;
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if(inOption) {
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if(c == '\0') {
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++argv;
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--argc;
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inOption = FALSE;
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continue;
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}
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} else {
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if (c != '-' || dashDash)
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break;
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inOption = TRUE;
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c = *optscan++;
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}
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/* '-' found at some earlier point */
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getopt_spec = strchr(getopt_def, c);
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if(c != '\0' && getopt_spec != NULL && getopt_spec[1] == ':') {
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/* -<something> found, and <something> should have an arg */
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inOption = FALSE;
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arginc = 1;
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argvalue = optscan;
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if(*argvalue == '\0') {
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if (argc < 3)
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goto noarg;
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argvalue = argv[2];
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arginc = 2;
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}
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} else {
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argvalue = NULL;
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}
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switch(c) {
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case '\0':
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arginc = 1;
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inOption = FALSE;
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break;
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case 'B':
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compatMake = TRUE;
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Var_Append(MAKEFLAGS, "-B", VAR_GLOBAL);
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Var_Set(MAKE_MODE, "compat", VAR_GLOBAL, 0);
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break;
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case 'C':
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if (chdir(argvalue) == -1) {
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(void)fprintf(stderr,
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"%s: chdir %s: %s\n",
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progname, argvalue,
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strerror(errno));
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exit(1);
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}
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if (getcwd(curdir, MAXPATHLEN) == NULL) {
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(void)fprintf(stderr, "%s: %s.\n", progname, strerror(errno));
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exit(2);
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}
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ignorePWD = TRUE;
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break;
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case 'D':
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if (argvalue == NULL || argvalue[0] == 0) goto noarg;
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Var_Set(argvalue, "1", VAR_GLOBAL, 0);
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Var_Append(MAKEFLAGS, "-D", VAR_GLOBAL);
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Var_Append(MAKEFLAGS, argvalue, VAR_GLOBAL);
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break;
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case 'I':
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if (argvalue == NULL) goto noarg;
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Parse_AddIncludeDir(argvalue);
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Var_Append(MAKEFLAGS, "-I", VAR_GLOBAL);
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Var_Append(MAKEFLAGS, argvalue, VAR_GLOBAL);
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break;
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case 'J':
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if (argvalue == NULL) goto noarg;
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if (sscanf(argvalue, "%d,%d", &jp_0, &jp_1) != 2) {
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(void)fprintf(stderr,
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"%s: internal error -- J option malformed (%s)\n",
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progname, argvalue);
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usage();
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}
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if ((fcntl(jp_0, F_GETFD, 0) < 0) ||
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(fcntl(jp_1, F_GETFD, 0) < 0)) {
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#if 0
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(void)fprintf(stderr,
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"%s: ###### warning -- J descriptors were closed!\n",
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progname);
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exit(2);
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#endif
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jp_0 = -1;
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jp_1 = -1;
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compatMake = TRUE;
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} else {
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Var_Append(MAKEFLAGS, "-J", VAR_GLOBAL);
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Var_Append(MAKEFLAGS, argvalue, VAR_GLOBAL);
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jobServer = TRUE;
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}
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break;
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case 'N':
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noExecute = TRUE;
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noRecursiveExecute = TRUE;
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Var_Append(MAKEFLAGS, "-N", VAR_GLOBAL);
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break;
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case 'S':
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keepgoing = FALSE;
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Var_Append(MAKEFLAGS, "-S", VAR_GLOBAL);
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break;
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case 'T':
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if (argvalue == NULL) goto noarg;
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tracefile = bmake_strdup(argvalue);
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Var_Append(MAKEFLAGS, "-T", VAR_GLOBAL);
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Var_Append(MAKEFLAGS, argvalue, VAR_GLOBAL);
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break;
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case 'V':
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if (argvalue == NULL) goto noarg;
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printVars = TRUE;
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(void)Lst_AtEnd(variables, argvalue);
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Var_Append(MAKEFLAGS, "-V", VAR_GLOBAL);
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Var_Append(MAKEFLAGS, argvalue, VAR_GLOBAL);
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break;
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case 'W':
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parseWarnFatal = TRUE;
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break;
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case 'X':
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varNoExportEnv = TRUE;
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Var_Append(MAKEFLAGS, "-X", VAR_GLOBAL);
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break;
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case 'd':
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if (argvalue == NULL) goto noarg;
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/* If '-d-opts' don't pass to children */
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if (argvalue[0] == '-')
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argvalue++;
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else {
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Var_Append(MAKEFLAGS, "-d", VAR_GLOBAL);
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Var_Append(MAKEFLAGS, argvalue, VAR_GLOBAL);
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}
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parse_debug_options(argvalue);
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break;
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case 'e':
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checkEnvFirst = TRUE;
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Var_Append(MAKEFLAGS, "-e", VAR_GLOBAL);
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break;
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case 'f':
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if (argvalue == NULL) goto noarg;
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(void)Lst_AtEnd(makefiles, argvalue);
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break;
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case 'i':
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ignoreErrors = TRUE;
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Var_Append(MAKEFLAGS, "-i", VAR_GLOBAL);
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break;
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case 'j':
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if (argvalue == NULL) goto noarg;
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forceJobs = TRUE;
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maxJobs = strtol(argvalue, &p, 0);
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if (*p != '\0' || maxJobs < 1) {
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(void)fprintf(stderr, "%s: illegal argument to -j -- must be positive integer!\n",
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progname);
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exit(1);
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}
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Var_Append(MAKEFLAGS, "-j", VAR_GLOBAL);
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Var_Append(MAKEFLAGS, argvalue, VAR_GLOBAL);
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Var_Set(".MAKE.JOBS", argvalue, VAR_GLOBAL, 0);
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maxJobTokens = maxJobs;
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break;
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case 'k':
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keepgoing = TRUE;
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|
Var_Append(MAKEFLAGS, "-k", VAR_GLOBAL);
|
|
break;
|
|
case 'm':
|
|
if (argvalue == NULL) goto noarg;
|
|
/* look for magic parent directory search string */
|
|
if (strncmp(".../", argvalue, 4) == 0) {
|
|
if (!Dir_FindHereOrAbove(curdir, argvalue+4,
|
|
found_path, sizeof(found_path)))
|
|
break; /* nothing doing */
|
|
(void)Dir_AddDir(sysIncPath, found_path);
|
|
} else {
|
|
(void)Dir_AddDir(sysIncPath, argvalue);
|
|
}
|
|
Var_Append(MAKEFLAGS, "-m", VAR_GLOBAL);
|
|
Var_Append(MAKEFLAGS, argvalue, VAR_GLOBAL);
|
|
break;
|
|
case 'n':
|
|
noExecute = TRUE;
|
|
Var_Append(MAKEFLAGS, "-n", VAR_GLOBAL);
|
|
break;
|
|
case 'q':
|
|
queryFlag = TRUE;
|
|
/* Kind of nonsensical, wot? */
|
|
Var_Append(MAKEFLAGS, "-q", VAR_GLOBAL);
|
|
break;
|
|
case 'r':
|
|
noBuiltins = TRUE;
|
|
Var_Append(MAKEFLAGS, "-r", VAR_GLOBAL);
|
|
break;
|
|
case 's':
|
|
beSilent = TRUE;
|
|
Var_Append(MAKEFLAGS, "-s", VAR_GLOBAL);
|
|
break;
|
|
case 't':
|
|
touchFlag = TRUE;
|
|
Var_Append(MAKEFLAGS, "-t", VAR_GLOBAL);
|
|
break;
|
|
case '-':
|
|
dashDash = TRUE;
|
|
break;
|
|
default:
|
|
case '?':
|
|
#ifndef MAKE_NATIVE
|
|
fprintf(stderr, "getopt(%s) -> %d (%c)\n",
|
|
OPTFLAGS, c, c);
|
|
#endif
|
|
usage();
|
|
}
|
|
argv += arginc;
|
|
argc -= arginc;
|
|
}
|
|
|
|
oldVars = TRUE;
|
|
|
|
/*
|
|
* See if the rest of the arguments are variable assignments and
|
|
* perform them if so. Else take them to be targets and stuff them
|
|
* on the end of the "create" list.
|
|
*/
|
|
for (; argc > 1; ++argv, --argc)
|
|
if (Parse_IsVar(argv[1])) {
|
|
Parse_DoVar(argv[1], VAR_CMD);
|
|
} else {
|
|
if (!*argv[1])
|
|
Punt("illegal (null) argument.");
|
|
if (*argv[1] == '-' && !dashDash)
|
|
goto rearg;
|
|
(void)Lst_AtEnd(create, bmake_strdup(argv[1]));
|
|
}
|
|
|
|
return;
|
|
noarg:
|
|
(void)fprintf(stderr, "%s: option requires an argument -- %c\n",
|
|
progname, c);
|
|
usage();
|
|
}
|
|
|
|
/*-
|
|
* Main_ParseArgLine --
|
|
* Used by the parse module when a .MFLAGS or .MAKEFLAGS target
|
|
* is encountered and by main() when reading the .MAKEFLAGS envariable.
|
|
* Takes a line of arguments and breaks it into its
|
|
* component words and passes those words and the number of them to the
|
|
* MainParseArgs function.
|
|
* The line should have all its leading whitespace removed.
|
|
*
|
|
* Input:
|
|
* line Line to fracture
|
|
*
|
|
* Results:
|
|
* None
|
|
*
|
|
* Side Effects:
|
|
* Only those that come from the various arguments.
|
|
*/
|
|
void
|
|
Main_ParseArgLine(const char *line)
|
|
{
|
|
char **argv; /* Manufactured argument vector */
|
|
int argc; /* Number of arguments in argv */
|
|
char *args; /* Space used by the args */
|
|
char *buf, *p1;
|
|
char *argv0 = Var_Value(".MAKE", VAR_GLOBAL, &p1);
|
|
size_t len;
|
|
|
|
if (line == NULL)
|
|
return;
|
|
for (; *line == ' '; ++line)
|
|
continue;
|
|
if (!*line)
|
|
return;
|
|
|
|
#ifndef POSIX
|
|
{
|
|
/*
|
|
* $MAKE may simply be naming the make(1) binary
|
|
*/
|
|
char *cp;
|
|
|
|
if (!(cp = strrchr(line, '/')))
|
|
cp = line;
|
|
if ((cp = strstr(cp, "make")) &&
|
|
strcmp(cp, "make") == 0)
|
|
return;
|
|
}
|
|
#endif
|
|
buf = bmake_malloc(len = strlen(line) + strlen(argv0) + 2);
|
|
(void)snprintf(buf, len, "%s %s", argv0, line);
|
|
if (p1)
|
|
free(p1);
|
|
|
|
argv = brk_string(buf, &argc, TRUE, &args);
|
|
if (argv == NULL) {
|
|
Error("Unterminated quoted string [%s]", buf);
|
|
free(buf);
|
|
return;
|
|
}
|
|
free(buf);
|
|
MainParseArgs(argc, argv);
|
|
|
|
free(args);
|
|
free(argv);
|
|
}
|
|
|
|
Boolean
|
|
Main_SetObjdir(const char *path)
|
|
{
|
|
struct stat sb;
|
|
char *p = NULL;
|
|
char buf[MAXPATHLEN + 1];
|
|
Boolean rc = FALSE;
|
|
|
|
/* expand variable substitutions */
|
|
if (strchr(path, '$') != 0) {
|
|
snprintf(buf, MAXPATHLEN, "%s", path);
|
|
path = p = Var_Subst(NULL, buf, VAR_GLOBAL, 0);
|
|
}
|
|
|
|
if (path[0] != '/') {
|
|
snprintf(buf, MAXPATHLEN, "%s/%s", curdir, path);
|
|
path = buf;
|
|
}
|
|
|
|
/* look for the directory and try to chdir there */
|
|
if (stat(path, &sb) == 0 && S_ISDIR(sb.st_mode)) {
|
|
if (chdir(path)) {
|
|
(void)fprintf(stderr, "make warning: %s: %s.\n",
|
|
path, strerror(errno));
|
|
} else {
|
|
strncpy(objdir, path, MAXPATHLEN);
|
|
Var_Set(".OBJDIR", objdir, VAR_GLOBAL, 0);
|
|
setenv("PWD", objdir, 1);
|
|
Dir_InitDot();
|
|
rc = TRUE;
|
|
}
|
|
}
|
|
|
|
if (p)
|
|
free(p);
|
|
return rc;
|
|
}
|
|
|
|
/*-
|
|
* ReadAllMakefiles --
|
|
* wrapper around ReadMakefile() to read all.
|
|
*
|
|
* Results:
|
|
* TRUE if ok, FALSE on error
|
|
*/
|
|
static int
|
|
ReadAllMakefiles(const void *p, const void *q)
|
|
{
|
|
return (ReadMakefile(p, q) == 0);
|
|
}
|
|
|
|
int
|
|
str2Lst_Append(Lst lp, char *str, const char *sep)
|
|
{
|
|
char *cp;
|
|
int n;
|
|
|
|
if (!sep)
|
|
sep = " \t";
|
|
|
|
for (n = 0, cp = strtok(str, sep); cp; cp = strtok(NULL, sep)) {
|
|
(void)Lst_AtEnd(lp, cp);
|
|
n++;
|
|
}
|
|
return (n);
|
|
}
|
|
|
|
#ifdef SIGINFO
|
|
/*ARGSUSED*/
|
|
static void
|
|
siginfo(int signo MAKE_ATTR_UNUSED)
|
|
{
|
|
char dir[MAXPATHLEN];
|
|
char str[2 * MAXPATHLEN];
|
|
int len;
|
|
if (getcwd(dir, sizeof(dir)) == NULL)
|
|
return;
|
|
len = snprintf(str, sizeof(str), "%s: Working in: %s\n", progname, dir);
|
|
if (len > 0)
|
|
(void)write(STDERR_FILENO, str, (size_t)len);
|
|
}
|
|
#endif
|
|
|
|
/*
|
|
* Allow makefiles some control over the mode we run in.
|
|
*/
|
|
void
|
|
MakeMode(const char *mode)
|
|
{
|
|
char *mp = NULL;
|
|
|
|
if (!mode)
|
|
mode = mp = Var_Subst(NULL, "${" MAKE_MODE ":tl}", VAR_GLOBAL, 0);
|
|
|
|
if (mode && *mode) {
|
|
if (strstr(mode, "compat")) {
|
|
compatMake = TRUE;
|
|
forceJobs = FALSE;
|
|
}
|
|
#if USE_META
|
|
if (strstr(mode, "meta"))
|
|
meta_init(mode);
|
|
#endif
|
|
}
|
|
if (mp)
|
|
free(mp);
|
|
}
|
|
|
|
/*-
|
|
* main --
|
|
* The main function, for obvious reasons. Initializes variables
|
|
* and a few modules, then parses the arguments give it in the
|
|
* environment and on the command line. Reads the system makefile
|
|
* followed by either Makefile, makefile or the file given by the
|
|
* -f argument. Sets the .MAKEFLAGS PMake variable based on all the
|
|
* flags it has received by then uses either the Make or the Compat
|
|
* module to create the initial list of targets.
|
|
*
|
|
* Results:
|
|
* If -q was given, exits -1 if anything was out-of-date. Else it exits
|
|
* 0.
|
|
*
|
|
* Side Effects:
|
|
* The program exits when done. Targets are created. etc. etc. etc.
|
|
*/
|
|
int
|
|
main(int argc, char **argv)
|
|
{
|
|
Lst targs; /* target nodes to create -- passed to Make_Init */
|
|
Boolean outOfDate = FALSE; /* FALSE if all targets up to date */
|
|
struct stat sb, sa;
|
|
char *p1, *path, *pwd;
|
|
char mdpath[MAXPATHLEN];
|
|
#ifdef FORCE_MACHINE
|
|
const char *machine = FORCE_MACHINE;
|
|
#else
|
|
const char *machine = getenv("MACHINE");
|
|
#endif
|
|
const char *machine_arch = getenv("MACHINE_ARCH");
|
|
char *syspath = getenv("MAKESYSPATH");
|
|
Lst sysMkPath; /* Path of sys.mk */
|
|
char *cp = NULL, *start;
|
|
/* avoid faults on read-only strings */
|
|
static char defsyspath[] = _PATH_DEFSYSPATH;
|
|
char found_path[MAXPATHLEN + 1]; /* for searching for sys.mk */
|
|
struct timeval rightnow; /* to initialize random seed */
|
|
#ifdef MAKE_NATIVE
|
|
struct utsname utsname;
|
|
#endif
|
|
|
|
/* default to writing debug to stderr */
|
|
debug_file = stderr;
|
|
|
|
#ifdef SIGINFO
|
|
(void)bmake_signal(SIGINFO, siginfo);
|
|
#endif
|
|
/*
|
|
* Set the seed to produce a different random sequence
|
|
* on each program execution.
|
|
*/
|
|
gettimeofday(&rightnow, NULL);
|
|
srandom(rightnow.tv_sec + rightnow.tv_usec);
|
|
|
|
if ((progname = strrchr(argv[0], '/')) != NULL)
|
|
progname++;
|
|
else
|
|
progname = argv[0];
|
|
#ifdef RLIMIT_NOFILE
|
|
/*
|
|
* get rid of resource limit on file descriptors
|
|
*/
|
|
{
|
|
struct rlimit rl;
|
|
if (getrlimit(RLIMIT_NOFILE, &rl) != -1 &&
|
|
rl.rlim_cur != rl.rlim_max) {
|
|
rl.rlim_cur = rl.rlim_max;
|
|
(void)setrlimit(RLIMIT_NOFILE, &rl);
|
|
}
|
|
}
|
|
#endif
|
|
|
|
/*
|
|
* Get the name of this type of MACHINE from utsname
|
|
* so we can share an executable for similar machines.
|
|
* (i.e. m68k: amiga hp300, mac68k, sun3, ...)
|
|
*
|
|
* Note that both MACHINE and MACHINE_ARCH are decided at
|
|
* run-time.
|
|
*/
|
|
if (!machine) {
|
|
#ifdef MAKE_NATIVE
|
|
if (uname(&utsname) == -1) {
|
|
(void)fprintf(stderr, "%s: uname failed (%s).\n", progname,
|
|
strerror(errno));
|
|
exit(2);
|
|
}
|
|
machine = utsname.machine;
|
|
#else
|
|
#ifdef MAKE_MACHINE
|
|
machine = MAKE_MACHINE;
|
|
#else
|
|
machine = "unknown";
|
|
#endif
|
|
#endif
|
|
}
|
|
|
|
if (!machine_arch) {
|
|
#ifndef MACHINE_ARCH
|
|
#ifdef MAKE_MACHINE_ARCH
|
|
machine_arch = MAKE_MACHINE_ARCH;
|
|
#else
|
|
machine_arch = "unknown";
|
|
#endif
|
|
#else
|
|
machine_arch = MACHINE_ARCH;
|
|
#endif
|
|
}
|
|
|
|
myPid = getpid(); /* remember this for vFork() */
|
|
|
|
/*
|
|
* Just in case MAKEOBJDIR wants us to do something tricky.
|
|
*/
|
|
Var_Init(); /* Initialize the lists of variables for
|
|
* parsing arguments */
|
|
Var_Set("MACHINE", machine, VAR_GLOBAL, 0);
|
|
Var_Set("MACHINE_ARCH", machine_arch, VAR_GLOBAL, 0);
|
|
#ifdef MAKE_VERSION
|
|
Var_Set("MAKE_VERSION", MAKE_VERSION, VAR_GLOBAL, 0);
|
|
#endif
|
|
Var_Set(".newline", "\n", VAR_GLOBAL, 0); /* handy for :@ loops */
|
|
/*
|
|
* This is the traditional preference for makefiles.
|
|
*/
|
|
#ifndef MAKEFILE_PREFERENCE_LIST
|
|
# define MAKEFILE_PREFERENCE_LIST "makefile Makefile"
|
|
#endif
|
|
Var_Set(MAKEFILE_PREFERENCE, MAKEFILE_PREFERENCE_LIST,
|
|
VAR_GLOBAL, 0);
|
|
Var_Set(MAKE_DEPENDFILE, ".depend", VAR_GLOBAL, 0);
|
|
|
|
create = Lst_Init(FALSE);
|
|
makefiles = Lst_Init(FALSE);
|
|
printVars = FALSE;
|
|
debugVflag = FALSE;
|
|
variables = Lst_Init(FALSE);
|
|
beSilent = FALSE; /* Print commands as executed */
|
|
ignoreErrors = FALSE; /* Pay attention to non-zero returns */
|
|
noExecute = FALSE; /* Execute all commands */
|
|
noRecursiveExecute = FALSE; /* Execute all .MAKE targets */
|
|
keepgoing = FALSE; /* Stop on error */
|
|
allPrecious = FALSE; /* Remove targets when interrupted */
|
|
queryFlag = FALSE; /* This is not just a check-run */
|
|
noBuiltins = FALSE; /* Read the built-in rules */
|
|
touchFlag = FALSE; /* Actually update targets */
|
|
debug = 0; /* No debug verbosity, please. */
|
|
jobsRunning = FALSE;
|
|
|
|
maxJobs = DEFMAXLOCAL; /* Set default local max concurrency */
|
|
maxJobTokens = maxJobs;
|
|
compatMake = FALSE; /* No compat mode */
|
|
ignorePWD = FALSE;
|
|
|
|
/*
|
|
* Initialize the parsing, directory and variable modules to prepare
|
|
* for the reading of inclusion paths and variable settings on the
|
|
* command line
|
|
*/
|
|
|
|
/*
|
|
* Initialize various variables.
|
|
* MAKE also gets this name, for compatibility
|
|
* .MAKEFLAGS gets set to the empty string just in case.
|
|
* MFLAGS also gets initialized empty, for compatibility.
|
|
*/
|
|
Parse_Init();
|
|
if (argv[0][0] == '/' || strchr(argv[0], '/') == NULL) {
|
|
/*
|
|
* Leave alone if it is an absolute path, or if it does
|
|
* not contain a '/' in which case we need to find it in
|
|
* the path, like execvp(3) and the shells do.
|
|
*/
|
|
p1 = argv[0];
|
|
} else {
|
|
/*
|
|
* A relative path, canonicalize it.
|
|
*/
|
|
p1 = realpath(argv[0], mdpath);
|
|
if (!p1 || *p1 != '/' || stat(p1, &sb) < 0) {
|
|
p1 = argv[0]; /* realpath failed */
|
|
}
|
|
}
|
|
Var_Set("MAKE", p1, VAR_GLOBAL, 0);
|
|
Var_Set(".MAKE", p1, VAR_GLOBAL, 0);
|
|
Var_Set(MAKEFLAGS, "", VAR_GLOBAL, 0);
|
|
Var_Set(MAKEOVERRIDES, "", VAR_GLOBAL, 0);
|
|
Var_Set("MFLAGS", "", VAR_GLOBAL, 0);
|
|
Var_Set(".ALLTARGETS", "", VAR_GLOBAL, 0);
|
|
|
|
/*
|
|
* Set some other useful macros
|
|
*/
|
|
{
|
|
char tmp[64];
|
|
const char *ep;
|
|
|
|
if (!(ep = getenv(MAKE_LEVEL))) {
|
|
#ifdef MAKE_LEVEL_SAFE
|
|
if (!(ep = getenv(MAKE_LEVEL_SAFE)))
|
|
#endif
|
|
ep = "0";
|
|
}
|
|
Var_Set(MAKE_LEVEL, ep, VAR_GLOBAL, 0);
|
|
snprintf(tmp, sizeof(tmp), "%u", myPid);
|
|
Var_Set(".MAKE.PID", tmp, VAR_GLOBAL, 0);
|
|
snprintf(tmp, sizeof(tmp), "%u", getppid());
|
|
Var_Set(".MAKE.PPID", tmp, VAR_GLOBAL, 0);
|
|
}
|
|
Job_SetPrefix();
|
|
|
|
/*
|
|
* First snag any flags out of the MAKE environment variable.
|
|
* (Note this is *not* MAKEFLAGS since /bin/make uses that and it's
|
|
* in a different format).
|
|
*/
|
|
#ifdef POSIX
|
|
Main_ParseArgLine(getenv("MAKEFLAGS"));
|
|
#else
|
|
Main_ParseArgLine(getenv("MAKE"));
|
|
#endif
|
|
|
|
/*
|
|
* Find where we are (now).
|
|
* We take care of PWD for the automounter below...
|
|
*/
|
|
if (getcwd(curdir, MAXPATHLEN) == NULL) {
|
|
(void)fprintf(stderr, "%s: getcwd: %s.\n",
|
|
progname, strerror(errno));
|
|
exit(2);
|
|
}
|
|
|
|
MainParseArgs(argc, argv);
|
|
|
|
/*
|
|
* Verify that cwd is sane.
|
|
*/
|
|
if (stat(curdir, &sa) == -1) {
|
|
(void)fprintf(stderr, "%s: %s: %s.\n",
|
|
progname, curdir, strerror(errno));
|
|
exit(2);
|
|
}
|
|
|
|
/*
|
|
* All this code is so that we know where we are when we start up
|
|
* on a different machine with pmake.
|
|
* Overriding getcwd() with $PWD totally breaks MAKEOBJDIRPREFIX
|
|
* since the value of curdir can vary depending on how we got
|
|
* here. Ie sitting at a shell prompt (shell that provides $PWD)
|
|
* or via subdir.mk in which case its likely a shell which does
|
|
* not provide it.
|
|
* So, to stop it breaking this case only, we ignore PWD if
|
|
* MAKEOBJDIRPREFIX is set or MAKEOBJDIR contains a transform.
|
|
*/
|
|
#ifndef NO_PWD_OVERRIDE
|
|
if (!ignorePWD &&
|
|
(pwd = getenv("PWD")) != NULL &&
|
|
getenv("MAKEOBJDIRPREFIX") == NULL) {
|
|
const char *makeobjdir = getenv("MAKEOBJDIR");
|
|
|
|
if (makeobjdir == NULL || !strchr(makeobjdir, '$')) {
|
|
if (stat(pwd, &sb) == 0 && sa.st_ino == sb.st_ino &&
|
|
sa.st_dev == sb.st_dev)
|
|
(void)strncpy(curdir, pwd, MAXPATHLEN);
|
|
}
|
|
}
|
|
#endif
|
|
Var_Set(".CURDIR", curdir, VAR_GLOBAL, 0);
|
|
|
|
/*
|
|
* Find the .OBJDIR. If MAKEOBJDIRPREFIX, or failing that,
|
|
* MAKEOBJDIR is set in the environment, try only that value
|
|
* and fall back to .CURDIR if it does not exist.
|
|
*
|
|
* Otherwise, try _PATH_OBJDIR.MACHINE, _PATH_OBJDIR, and
|
|
* finally _PATH_OBJDIRPREFIX`pwd`, in that order. If none
|
|
* of these paths exist, just use .CURDIR.
|
|
*/
|
|
Dir_Init(curdir);
|
|
(void)Main_SetObjdir(curdir);
|
|
|
|
if ((path = getenv("MAKEOBJDIRPREFIX")) != NULL) {
|
|
(void)snprintf(mdpath, MAXPATHLEN, "%s%s", path, curdir);
|
|
(void)Main_SetObjdir(mdpath);
|
|
} else if ((path = getenv("MAKEOBJDIR")) != NULL) {
|
|
(void)Main_SetObjdir(path);
|
|
} else {
|
|
(void)snprintf(mdpath, MAXPATHLEN, "%s.%s", _PATH_OBJDIR, machine);
|
|
if (!Main_SetObjdir(mdpath) && !Main_SetObjdir(_PATH_OBJDIR)) {
|
|
(void)snprintf(mdpath, MAXPATHLEN, "%s%s",
|
|
_PATH_OBJDIRPREFIX, curdir);
|
|
(void)Main_SetObjdir(mdpath);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Be compatible if user did not specify -j and did not explicitly
|
|
* turned compatibility on
|
|
*/
|
|
if (!compatMake && !forceJobs) {
|
|
compatMake = TRUE;
|
|
}
|
|
|
|
/*
|
|
* Initialize archive, target and suffix modules in preparation for
|
|
* parsing the makefile(s)
|
|
*/
|
|
Arch_Init();
|
|
Targ_Init();
|
|
Suff_Init();
|
|
Trace_Init(tracefile);
|
|
|
|
DEFAULT = NULL;
|
|
(void)time(&now);
|
|
|
|
Trace_Log(MAKESTART, NULL);
|
|
|
|
/*
|
|
* Set up the .TARGETS variable to contain the list of targets to be
|
|
* created. If none specified, make the variable empty -- the parser
|
|
* will fill the thing in with the default or .MAIN target.
|
|
*/
|
|
if (!Lst_IsEmpty(create)) {
|
|
LstNode ln;
|
|
|
|
for (ln = Lst_First(create); ln != NULL;
|
|
ln = Lst_Succ(ln)) {
|
|
char *name = (char *)Lst_Datum(ln);
|
|
|
|
Var_Append(".TARGETS", name, VAR_GLOBAL);
|
|
}
|
|
} else
|
|
Var_Set(".TARGETS", "", VAR_GLOBAL, 0);
|
|
|
|
|
|
/*
|
|
* If no user-supplied system path was given (through the -m option)
|
|
* add the directories from the DEFSYSPATH (more than one may be given
|
|
* as dir1:...:dirn) to the system include path.
|
|
*/
|
|
if (syspath == NULL || *syspath == '\0')
|
|
syspath = defsyspath;
|
|
else
|
|
syspath = bmake_strdup(syspath);
|
|
|
|
for (start = syspath; *start != '\0'; start = cp) {
|
|
for (cp = start; *cp != '\0' && *cp != ':'; cp++)
|
|
continue;
|
|
if (*cp == ':') {
|
|
*cp++ = '\0';
|
|
}
|
|
/* look for magic parent directory search string */
|
|
if (strncmp(".../", start, 4) != 0) {
|
|
(void)Dir_AddDir(defIncPath, start);
|
|
} else {
|
|
if (Dir_FindHereOrAbove(curdir, start+4,
|
|
found_path, sizeof(found_path))) {
|
|
(void)Dir_AddDir(defIncPath, found_path);
|
|
}
|
|
}
|
|
}
|
|
if (syspath != defsyspath)
|
|
free(syspath);
|
|
|
|
/*
|
|
* Read in the built-in rules first, followed by the specified
|
|
* makefile, if it was (makefile != NULL), or the default
|
|
* makefile and Makefile, in that order, if it wasn't.
|
|
*/
|
|
if (!noBuiltins) {
|
|
LstNode ln;
|
|
|
|
sysMkPath = Lst_Init(FALSE);
|
|
Dir_Expand(_PATH_DEFSYSMK,
|
|
Lst_IsEmpty(sysIncPath) ? defIncPath : sysIncPath,
|
|
sysMkPath);
|
|
if (Lst_IsEmpty(sysMkPath))
|
|
Fatal("%s: no system rules (%s).", progname,
|
|
_PATH_DEFSYSMK);
|
|
ln = Lst_Find(sysMkPath, NULL, ReadMakefile);
|
|
if (ln == NULL)
|
|
Fatal("%s: cannot open %s.", progname,
|
|
(char *)Lst_Datum(ln));
|
|
}
|
|
|
|
if (!Lst_IsEmpty(makefiles)) {
|
|
LstNode ln;
|
|
|
|
ln = Lst_Find(makefiles, NULL, ReadAllMakefiles);
|
|
if (ln != NULL)
|
|
Fatal("%s: cannot open %s.", progname,
|
|
(char *)Lst_Datum(ln));
|
|
} else {
|
|
p1 = Var_Subst(NULL, "${" MAKEFILE_PREFERENCE "}",
|
|
VAR_CMD, 0);
|
|
if (p1) {
|
|
(void)str2Lst_Append(makefiles, p1, NULL);
|
|
(void)Lst_Find(makefiles, NULL, ReadMakefile);
|
|
free(p1);
|
|
}
|
|
}
|
|
|
|
/* In particular suppress .depend for '-r -V .OBJDIR -f /dev/null' */
|
|
if (!noBuiltins || !printVars) {
|
|
makeDependfile = Var_Subst(NULL, "${.MAKE.DEPENDFILE:T}",
|
|
VAR_CMD, 0);
|
|
doing_depend = TRUE;
|
|
(void)ReadMakefile(makeDependfile, NULL);
|
|
doing_depend = FALSE;
|
|
}
|
|
|
|
MakeMode(NULL);
|
|
|
|
Var_Append("MFLAGS", Var_Value(MAKEFLAGS, VAR_GLOBAL, &p1), VAR_GLOBAL);
|
|
if (p1)
|
|
free(p1);
|
|
|
|
if (!compatMake)
|
|
Job_ServerStart(maxJobTokens, jp_0, jp_1);
|
|
if (DEBUG(JOB))
|
|
fprintf(debug_file, "job_pipe %d %d, maxjobs %d, tokens %d, compat %d\n",
|
|
jp_0, jp_1, maxJobs, maxJobTokens, compatMake);
|
|
|
|
Main_ExportMAKEFLAGS(TRUE); /* initial export */
|
|
|
|
/*
|
|
* For compatibility, look at the directories in the VPATH variable
|
|
* and add them to the search path, if the variable is defined. The
|
|
* variable's value is in the same format as the PATH envariable, i.e.
|
|
* <directory>:<directory>:<directory>...
|
|
*/
|
|
if (Var_Exists("VPATH", VAR_CMD)) {
|
|
char *vpath, savec;
|
|
/*
|
|
* GCC stores string constants in read-only memory, but
|
|
* Var_Subst will want to write this thing, so store it
|
|
* in an array
|
|
*/
|
|
static char VPATH[] = "${VPATH}";
|
|
|
|
vpath = Var_Subst(NULL, VPATH, VAR_CMD, FALSE);
|
|
path = vpath;
|
|
do {
|
|
/* skip to end of directory */
|
|
for (cp = path; *cp != ':' && *cp != '\0'; cp++)
|
|
continue;
|
|
/* Save terminator character so know when to stop */
|
|
savec = *cp;
|
|
*cp = '\0';
|
|
/* Add directory to search path */
|
|
(void)Dir_AddDir(dirSearchPath, path);
|
|
*cp = savec;
|
|
path = cp + 1;
|
|
} while (savec == ':');
|
|
free(vpath);
|
|
}
|
|
|
|
/*
|
|
* Now that all search paths have been read for suffixes et al, it's
|
|
* time to add the default search path to their lists...
|
|
*/
|
|
Suff_DoPaths();
|
|
|
|
/*
|
|
* Propagate attributes through :: dependency lists.
|
|
*/
|
|
Targ_Propagate();
|
|
|
|
/* print the initial graph, if the user requested it */
|
|
if (DEBUG(GRAPH1))
|
|
Targ_PrintGraph(1);
|
|
|
|
/* print the values of any variables requested by the user */
|
|
if (printVars) {
|
|
LstNode ln;
|
|
Boolean expandVars;
|
|
|
|
if (debugVflag)
|
|
expandVars = FALSE;
|
|
else
|
|
expandVars = getBoolean(".MAKE.EXPAND_VARIABLES", FALSE);
|
|
for (ln = Lst_First(variables); ln != NULL;
|
|
ln = Lst_Succ(ln)) {
|
|
char *var = (char *)Lst_Datum(ln);
|
|
char *value;
|
|
|
|
if (strchr(var, '$')) {
|
|
value = p1 = Var_Subst(NULL, var, VAR_GLOBAL, 0);
|
|
} else if (expandVars) {
|
|
char tmp[128];
|
|
|
|
if (snprintf(tmp, sizeof(tmp), "${%s}", var) >= (int)(sizeof(tmp)))
|
|
Fatal("%s: variable name too big: %s",
|
|
progname, var);
|
|
value = p1 = Var_Subst(NULL, tmp, VAR_GLOBAL, 0);
|
|
} else {
|
|
value = Var_Value(var, VAR_GLOBAL, &p1);
|
|
}
|
|
printf("%s\n", value ? value : "");
|
|
if (p1)
|
|
free(p1);
|
|
}
|
|
} else {
|
|
/*
|
|
* Have now read the entire graph and need to make a list of
|
|
* targets to create. If none was given on the command line,
|
|
* we consult the parsing module to find the main target(s)
|
|
* to create.
|
|
*/
|
|
if (Lst_IsEmpty(create))
|
|
targs = Parse_MainName();
|
|
else
|
|
targs = Targ_FindList(create, TARG_CREATE);
|
|
|
|
if (!compatMake) {
|
|
/*
|
|
* Initialize job module before traversing the graph
|
|
* now that any .BEGIN and .END targets have been read.
|
|
* This is done only if the -q flag wasn't given
|
|
* (to prevent the .BEGIN from being executed should
|
|
* it exist).
|
|
*/
|
|
if (!queryFlag) {
|
|
Job_Init();
|
|
jobsRunning = TRUE;
|
|
}
|
|
|
|
/* Traverse the graph, checking on all the targets */
|
|
outOfDate = Make_Run(targs);
|
|
} else {
|
|
/*
|
|
* Compat_Init will take care of creating all the
|
|
* targets as well as initializing the module.
|
|
*/
|
|
Compat_Run(targs);
|
|
}
|
|
}
|
|
|
|
#ifdef CLEANUP
|
|
Lst_Destroy(targs, NULL);
|
|
Lst_Destroy(variables, NULL);
|
|
Lst_Destroy(makefiles, NULL);
|
|
Lst_Destroy(create, (FreeProc *)free);
|
|
#endif
|
|
|
|
/* print the graph now it's been processed if the user requested it */
|
|
if (DEBUG(GRAPH2))
|
|
Targ_PrintGraph(2);
|
|
|
|
Trace_Log(MAKEEND, 0);
|
|
|
|
Suff_End();
|
|
Targ_End();
|
|
Arch_End();
|
|
Var_End();
|
|
Parse_End();
|
|
Dir_End();
|
|
Job_End();
|
|
Trace_End();
|
|
|
|
return outOfDate ? 1 : 0;
|
|
}
|
|
|
|
/*-
|
|
* ReadMakefile --
|
|
* Open and parse the given makefile.
|
|
*
|
|
* Results:
|
|
* 0 if ok. -1 if couldn't open file.
|
|
*
|
|
* Side Effects:
|
|
* lots
|
|
*/
|
|
static int
|
|
ReadMakefile(const void *p, const void *q MAKE_ATTR_UNUSED)
|
|
{
|
|
const char *fname = p; /* makefile to read */
|
|
int fd;
|
|
size_t len = MAXPATHLEN;
|
|
char *name, *path = bmake_malloc(len);
|
|
|
|
if (!strcmp(fname, "-")) {
|
|
Parse_File(NULL /*stdin*/, -1);
|
|
Var_Set("MAKEFILE", "", VAR_GLOBAL, 0);
|
|
} else {
|
|
/* if we've chdir'd, rebuild the path name */
|
|
if (strcmp(curdir, objdir) && *fname != '/') {
|
|
size_t plen = strlen(curdir) + strlen(fname) + 2;
|
|
if (len < plen)
|
|
path = bmake_realloc(path, len = 2 * plen);
|
|
|
|
(void)snprintf(path, len, "%s/%s", curdir, fname);
|
|
fd = open(path, O_RDONLY);
|
|
if (fd != -1) {
|
|
fname = path;
|
|
goto found;
|
|
}
|
|
|
|
/* If curdir failed, try objdir (ala .depend) */
|
|
plen = strlen(objdir) + strlen(fname) + 2;
|
|
if (len < plen)
|
|
path = bmake_realloc(path, len = 2 * plen);
|
|
(void)snprintf(path, len, "%s/%s", objdir, fname);
|
|
fd = open(path, O_RDONLY);
|
|
if (fd != -1) {
|
|
fname = path;
|
|
goto found;
|
|
}
|
|
} else {
|
|
fd = open(fname, O_RDONLY);
|
|
if (fd != -1)
|
|
goto found;
|
|
}
|
|
/* look in -I and system include directories. */
|
|
name = Dir_FindFile(fname, parseIncPath);
|
|
if (!name)
|
|
name = Dir_FindFile(fname,
|
|
Lst_IsEmpty(sysIncPath) ? defIncPath : sysIncPath);
|
|
if (!name || (fd = open(name, O_RDONLY)) == -1) {
|
|
if (name)
|
|
free(name);
|
|
free(path);
|
|
return(-1);
|
|
}
|
|
fname = name;
|
|
/*
|
|
* set the MAKEFILE variable desired by System V fans -- the
|
|
* placement of the setting here means it gets set to the last
|
|
* makefile specified, as it is set by SysV make.
|
|
*/
|
|
found:
|
|
if (!doing_depend)
|
|
Var_Set("MAKEFILE", fname, VAR_GLOBAL, 0);
|
|
Parse_File(fname, fd);
|
|
}
|
|
free(path);
|
|
return(0);
|
|
}
|
|
|
|
|
|
|
|
/*-
|
|
* Cmd_Exec --
|
|
* Execute the command in cmd, and return the output of that command
|
|
* in a string.
|
|
*
|
|
* Results:
|
|
* A string containing the output of the command, or the empty string
|
|
* If errnum is not NULL, it contains the reason for the command failure
|
|
*
|
|
* Side Effects:
|
|
* The string must be freed by the caller.
|
|
*/
|
|
char *
|
|
Cmd_Exec(const char *cmd, const char **errnum)
|
|
{
|
|
const char *args[4]; /* Args for invoking the shell */
|
|
int fds[2]; /* Pipe streams */
|
|
int cpid; /* Child PID */
|
|
int pid; /* PID from wait() */
|
|
char *res; /* result */
|
|
WAIT_T status; /* command exit status */
|
|
Buffer buf; /* buffer to store the result */
|
|
char *cp;
|
|
int cc;
|
|
|
|
|
|
*errnum = NULL;
|
|
|
|
if (!shellName)
|
|
Shell_Init();
|
|
/*
|
|
* Set up arguments for shell
|
|
*/
|
|
args[0] = shellName;
|
|
args[1] = "-c";
|
|
args[2] = cmd;
|
|
args[3] = NULL;
|
|
|
|
/*
|
|
* Open a pipe for fetching its output
|
|
*/
|
|
if (pipe(fds) == -1) {
|
|
*errnum = "Couldn't create pipe for \"%s\"";
|
|
goto bad;
|
|
}
|
|
|
|
/*
|
|
* Fork
|
|
*/
|
|
switch (cpid = vFork()) {
|
|
case 0:
|
|
/*
|
|
* Close input side of pipe
|
|
*/
|
|
(void)close(fds[0]);
|
|
|
|
/*
|
|
* Duplicate the output stream to the shell's output, then
|
|
* shut the extra thing down. Note we don't fetch the error
|
|
* stream...why not? Why?
|
|
*/
|
|
(void)dup2(fds[1], 1);
|
|
(void)close(fds[1]);
|
|
|
|
Var_ExportVars();
|
|
|
|
(void)execv(shellPath, UNCONST(args));
|
|
_exit(1);
|
|
/*NOTREACHED*/
|
|
|
|
case -1:
|
|
*errnum = "Couldn't exec \"%s\"";
|
|
goto bad;
|
|
|
|
default:
|
|
/*
|
|
* No need for the writing half
|
|
*/
|
|
(void)close(fds[1]);
|
|
|
|
Buf_Init(&buf, 0);
|
|
|
|
do {
|
|
char result[BUFSIZ];
|
|
cc = read(fds[0], result, sizeof(result));
|
|
if (cc > 0)
|
|
Buf_AddBytes(&buf, cc, result);
|
|
}
|
|
while (cc > 0 || (cc == -1 && errno == EINTR));
|
|
|
|
/*
|
|
* Close the input side of the pipe.
|
|
*/
|
|
(void)close(fds[0]);
|
|
|
|
/*
|
|
* Wait for the process to exit.
|
|
*/
|
|
while(((pid = waitpid(cpid, &status, 0)) != cpid) && (pid >= 0)) {
|
|
JobReapChild(pid, status, FALSE);
|
|
continue;
|
|
}
|
|
cc = Buf_Size(&buf);
|
|
res = Buf_Destroy(&buf, FALSE);
|
|
|
|
if (cc == 0)
|
|
*errnum = "Couldn't read shell's output for \"%s\"";
|
|
|
|
if (WIFSIGNALED(status))
|
|
*errnum = "\"%s\" exited on a signal";
|
|
else if (WEXITSTATUS(status) != 0)
|
|
*errnum = "\"%s\" returned non-zero status";
|
|
|
|
/*
|
|
* Null-terminate the result, convert newlines to spaces and
|
|
* install it in the variable.
|
|
*/
|
|
res[cc] = '\0';
|
|
cp = &res[cc];
|
|
|
|
if (cc > 0 && *--cp == '\n') {
|
|
/*
|
|
* A final newline is just stripped
|
|
*/
|
|
*cp-- = '\0';
|
|
}
|
|
while (cp >= res) {
|
|
if (*cp == '\n') {
|
|
*cp = ' ';
|
|
}
|
|
cp--;
|
|
}
|
|
break;
|
|
}
|
|
return res;
|
|
bad:
|
|
res = bmake_malloc(1);
|
|
*res = '\0';
|
|
return res;
|
|
}
|
|
|
|
/*-
|
|
* Error --
|
|
* Print an error message given its format.
|
|
*
|
|
* Results:
|
|
* None.
|
|
*
|
|
* Side Effects:
|
|
* The message is printed.
|
|
*/
|
|
/* VARARGS */
|
|
void
|
|
Error(const char *fmt, ...)
|
|
{
|
|
va_list ap;
|
|
FILE *err_file;
|
|
|
|
err_file = debug_file;
|
|
if (err_file == stdout)
|
|
err_file = stderr;
|
|
(void)fflush(stdout);
|
|
for (;;) {
|
|
va_start(ap, fmt);
|
|
fprintf(err_file, "%s: ", progname);
|
|
(void)vfprintf(err_file, fmt, ap);
|
|
va_end(ap);
|
|
(void)fprintf(err_file, "\n");
|
|
(void)fflush(err_file);
|
|
if (err_file == stderr)
|
|
break;
|
|
err_file = stderr;
|
|
}
|
|
}
|
|
|
|
/*-
|
|
* Fatal --
|
|
* Produce a Fatal error message. If jobs are running, waits for them
|
|
* to finish.
|
|
*
|
|
* Results:
|
|
* None
|
|
*
|
|
* Side Effects:
|
|
* The program exits
|
|
*/
|
|
/* VARARGS */
|
|
void
|
|
Fatal(const char *fmt, ...)
|
|
{
|
|
va_list ap;
|
|
|
|
va_start(ap, fmt);
|
|
if (jobsRunning)
|
|
Job_Wait();
|
|
|
|
(void)fflush(stdout);
|
|
(void)vfprintf(stderr, fmt, ap);
|
|
va_end(ap);
|
|
(void)fprintf(stderr, "\n");
|
|
(void)fflush(stderr);
|
|
|
|
PrintOnError(NULL, NULL);
|
|
|
|
if (DEBUG(GRAPH2) || DEBUG(GRAPH3))
|
|
Targ_PrintGraph(2);
|
|
Trace_Log(MAKEERROR, 0);
|
|
exit(2); /* Not 1 so -q can distinguish error */
|
|
}
|
|
|
|
/*
|
|
* Punt --
|
|
* Major exception once jobs are being created. Kills all jobs, prints
|
|
* a message and exits.
|
|
*
|
|
* Results:
|
|
* None
|
|
*
|
|
* Side Effects:
|
|
* All children are killed indiscriminately and the program Lib_Exits
|
|
*/
|
|
/* VARARGS */
|
|
void
|
|
Punt(const char *fmt, ...)
|
|
{
|
|
va_list ap;
|
|
|
|
va_start(ap, fmt);
|
|
(void)fflush(stdout);
|
|
(void)fprintf(stderr, "%s: ", progname);
|
|
(void)vfprintf(stderr, fmt, ap);
|
|
va_end(ap);
|
|
(void)fprintf(stderr, "\n");
|
|
(void)fflush(stderr);
|
|
|
|
PrintOnError(NULL, NULL);
|
|
|
|
DieHorribly();
|
|
}
|
|
|
|
/*-
|
|
* DieHorribly --
|
|
* Exit without giving a message.
|
|
*
|
|
* Results:
|
|
* None
|
|
*
|
|
* Side Effects:
|
|
* A big one...
|
|
*/
|
|
void
|
|
DieHorribly(void)
|
|
{
|
|
if (jobsRunning)
|
|
Job_AbortAll();
|
|
if (DEBUG(GRAPH2))
|
|
Targ_PrintGraph(2);
|
|
Trace_Log(MAKEERROR, 0);
|
|
exit(2); /* Not 1, so -q can distinguish error */
|
|
}
|
|
|
|
/*
|
|
* Finish --
|
|
* Called when aborting due to errors in child shell to signal
|
|
* abnormal exit.
|
|
*
|
|
* Results:
|
|
* None
|
|
*
|
|
* Side Effects:
|
|
* The program exits
|
|
*/
|
|
void
|
|
Finish(int errors)
|
|
/* number of errors encountered in Make_Make */
|
|
{
|
|
Fatal("%d error%s", errors, errors == 1 ? "" : "s");
|
|
}
|
|
|
|
/*
|
|
* enunlink --
|
|
* Remove a file carefully, avoiding directories.
|
|
*/
|
|
int
|
|
eunlink(const char *file)
|
|
{
|
|
struct stat st;
|
|
|
|
if (lstat(file, &st) == -1)
|
|
return -1;
|
|
|
|
if (S_ISDIR(st.st_mode)) {
|
|
errno = EISDIR;
|
|
return -1;
|
|
}
|
|
return unlink(file);
|
|
}
|
|
|
|
/*
|
|
* execError --
|
|
* Print why exec failed, avoiding stdio.
|
|
*/
|
|
void
|
|
execError(const char *af, const char *av)
|
|
{
|
|
#ifdef USE_IOVEC
|
|
int i = 0;
|
|
struct iovec iov[8];
|
|
#define IOADD(s) \
|
|
(void)(iov[i].iov_base = UNCONST(s), \
|
|
iov[i].iov_len = strlen(iov[i].iov_base), \
|
|
i++)
|
|
#else
|
|
#define IOADD(s) (void)write(2, s, strlen(s))
|
|
#endif
|
|
|
|
IOADD(progname);
|
|
IOADD(": ");
|
|
IOADD(af);
|
|
IOADD("(");
|
|
IOADD(av);
|
|
IOADD(") failed (");
|
|
IOADD(strerror(errno));
|
|
IOADD(")\n");
|
|
|
|
#ifdef USE_IOVEC
|
|
while (writev(2, iov, 8) == -1 && errno == EAGAIN)
|
|
continue;
|
|
#endif
|
|
}
|
|
|
|
/*
|
|
* usage --
|
|
* exit with usage message
|
|
*/
|
|
static void
|
|
usage(void)
|
|
{
|
|
(void)fprintf(stderr,
|
|
"usage: %s [-BeikNnqrstWX] \n\
|
|
[-C directory] [-D variable] [-d flags] [-f makefile]\n\
|
|
[-I directory] [-J private] [-j max_jobs] [-m directory] [-T file]\n\
|
|
[-V variable] [variable=value] [target ...]\n", progname);
|
|
exit(2);
|
|
}
|
|
|
|
|
|
int
|
|
PrintAddr(void *a, void *b)
|
|
{
|
|
printf("%lx ", (unsigned long) a);
|
|
return b ? 0 : 0;
|
|
}
|
|
|
|
|
|
|
|
void
|
|
PrintOnError(GNode *gn, const char *s)
|
|
{
|
|
static GNode *en = NULL;
|
|
char tmp[64];
|
|
char *cp;
|
|
|
|
if (s)
|
|
printf("%s", s);
|
|
|
|
printf("\n%s: stopped in %s\n", progname, curdir);
|
|
|
|
if (en)
|
|
return; /* we've been here! */
|
|
if (gn) {
|
|
/*
|
|
* We can print this even if there is no .ERROR target.
|
|
*/
|
|
Var_Set(".ERROR_TARGET", gn->name, VAR_GLOBAL, 0);
|
|
}
|
|
strncpy(tmp, "${MAKE_PRINT_VAR_ON_ERROR:@v@$v='${$v}'\n@}",
|
|
sizeof(tmp) - 1);
|
|
cp = Var_Subst(NULL, tmp, VAR_GLOBAL, 0);
|
|
if (cp) {
|
|
if (*cp)
|
|
printf("%s", cp);
|
|
free(cp);
|
|
}
|
|
/*
|
|
* Finally, see if there is a .ERROR target, and run it if so.
|
|
*/
|
|
en = Targ_FindNode(".ERROR", TARG_NOCREATE);
|
|
if (en) {
|
|
en->type |= OP_SPECIAL;
|
|
Compat_Make(en, en);
|
|
}
|
|
}
|
|
|
|
void
|
|
Main_ExportMAKEFLAGS(Boolean first)
|
|
{
|
|
static int once = 1;
|
|
char tmp[64];
|
|
char *s;
|
|
|
|
if (once != first)
|
|
return;
|
|
once = 0;
|
|
|
|
strncpy(tmp, "${.MAKEFLAGS} ${.MAKEOVERRIDES:O:u:@v@$v=${$v:Q}@}",
|
|
sizeof(tmp));
|
|
s = Var_Subst(NULL, tmp, VAR_CMD, 0);
|
|
if (s && *s) {
|
|
#ifdef POSIX
|
|
setenv("MAKEFLAGS", s, 1);
|
|
#else
|
|
setenv("MAKE", s, 1);
|
|
#endif
|
|
}
|
|
}
|
|
|
|
char *
|
|
getTmpdir(void)
|
|
{
|
|
static char *tmpdir = NULL;
|
|
|
|
if (!tmpdir) {
|
|
struct stat st;
|
|
|
|
/*
|
|
* Honor $TMPDIR but only if it is valid.
|
|
* Ensure it ends with /.
|
|
*/
|
|
tmpdir = Var_Subst(NULL, "${TMPDIR:tA:U" _PATH_TMP "}/", VAR_GLOBAL, 0);
|
|
if (stat(tmpdir, &st) < 0 || !S_ISDIR(st.st_mode)) {
|
|
free(tmpdir);
|
|
tmpdir = bmake_strdup(_PATH_TMP);
|
|
}
|
|
}
|
|
return tmpdir;
|
|
}
|
|
|
|
/*
|
|
* Create and open a temp file using "pattern".
|
|
* If "fnamep" is provided set it to a copy of the filename created.
|
|
* Otherwise unlink the file once open.
|
|
*/
|
|
int
|
|
mkTempFile(const char *pattern, char **fnamep)
|
|
{
|
|
static char *tmpdir = NULL;
|
|
char tfile[MAXPATHLEN];
|
|
int fd;
|
|
|
|
if (!pattern)
|
|
pattern = TMPPAT;
|
|
if (!tmpdir)
|
|
tmpdir = getTmpdir();
|
|
if (pattern[0] == '/') {
|
|
snprintf(tfile, sizeof(tfile), "%s", pattern);
|
|
} else {
|
|
snprintf(tfile, sizeof(tfile), "%s%s", tmpdir, pattern);
|
|
}
|
|
if ((fd = mkstemp(tfile)) < 0)
|
|
Punt("Could not create temporary file %s: %s", tfile, strerror(errno));
|
|
if (fnamep) {
|
|
*fnamep = bmake_strdup(tfile);
|
|
} else {
|
|
unlink(tfile); /* we just want the descriptor */
|
|
}
|
|
return fd;
|
|
}
|
|
|
|
|
|
/*
|
|
* Return a Boolean based on setting of a knob.
|
|
*
|
|
* If the knob is not set, the supplied default is the return value.
|
|
* If set, anything that looks or smells like "No", "False", "Off", "0" etc,
|
|
* is FALSE, otherwise TRUE.
|
|
*/
|
|
Boolean
|
|
getBoolean(const char *name, Boolean bf)
|
|
{
|
|
char tmp[64];
|
|
char *cp;
|
|
|
|
if (snprintf(tmp, sizeof(tmp), "${%s:tl}", name) < (int)(sizeof(tmp))) {
|
|
cp = Var_Subst(NULL, tmp, VAR_GLOBAL, 0);
|
|
|
|
if (cp) {
|
|
switch(*cp) {
|
|
case '\0': /* not set - the default wins */
|
|
break;
|
|
case '0':
|
|
case 'f':
|
|
case 'n':
|
|
bf = FALSE;
|
|
break;
|
|
case 'o':
|
|
switch (cp[1]) {
|
|
case 'f':
|
|
bf = FALSE;
|
|
break;
|
|
default:
|
|
bf = TRUE;
|
|
break;
|
|
}
|
|
break;
|
|
default:
|
|
bf = TRUE;
|
|
break;
|
|
}
|
|
free(cp);
|
|
}
|
|
}
|
|
return (bf);
|
|
}
|