912 lines
22 KiB
C
912 lines
22 KiB
C
/*
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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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* 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 lint
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static char copyright[] =
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"@(#) Copyright (c) 1988, 1989, 1990, 1993\n\
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The Regents of the University of California. All rights reserved.\n";
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#endif /* not lint */
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#ifndef lint
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static char sccsid[] = "@(#)main.c 8.3 (Berkeley) 3/19/94";
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#endif /* not lint */
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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 occured, 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 <sys/signal.h>
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#include <sys/stat.h>
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#include <errno.h>
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#include <fcntl.h>
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#include <stdio.h>
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#if __STDC__
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#include <stdarg.h>
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#else
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#include <varargs.h>
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#endif
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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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#ifndef DEFMAXLOCAL
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#define DEFMAXLOCAL DEFMAXJOBS
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#endif DEFMAXLOCAL
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#define MAKEFLAGS ".MAKEFLAGS"
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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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int maxJobs; /* -J argument */
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static int maxLocal; /* -L argument */
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Boolean compatMake; /* -B argument */
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Boolean debug; /* -d flag */
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Boolean noExecute; /* -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 usePipes; /* !-P 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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static Boolean jobsRunning; /* TRUE if the jobs might be running */
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static Boolean ReadMakefile();
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static void usage();
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static char *curdir; /* startup directory */
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static char *objdir; /* where we chdir'ed to */
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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(argc, argv)
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int argc;
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char **argv;
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{
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extern int optind;
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extern char *optarg;
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char c;
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optind = 1; /* since we're called more than once */
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#ifdef notyet
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# define OPTFLAGS "BD:I:L:PSd:ef:ij:knqrst"
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#else
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# define OPTFLAGS "D:I:d:ef:ij:knqrst"
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#endif
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rearg: while ((c = getopt(argc, argv, OPTFLAGS)) != EOF) {
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switch(c) {
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case 'D':
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Var_Set(optarg, "1", VAR_GLOBAL);
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Var_Append(MAKEFLAGS, "-D", VAR_GLOBAL);
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Var_Append(MAKEFLAGS, optarg, VAR_GLOBAL);
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break;
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case 'I':
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Parse_AddIncludeDir(optarg);
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Var_Append(MAKEFLAGS, "-I", VAR_GLOBAL);
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Var_Append(MAKEFLAGS, optarg, VAR_GLOBAL);
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break;
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#ifdef notyet
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case 'B':
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compatMake = TRUE;
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break;
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case 'L':
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maxLocal = atoi(optarg);
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Var_Append(MAKEFLAGS, "-L", VAR_GLOBAL);
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Var_Append(MAKEFLAGS, optarg, VAR_GLOBAL);
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break;
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case 'P':
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usePipes = FALSE;
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Var_Append(MAKEFLAGS, "-P", 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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#endif
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case 'd': {
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char *modules = optarg;
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for (; *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_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 '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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break;
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case 'j':
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debug |= DEBUG_JOB;
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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 '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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debug |= DEBUG_VAR;
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break;
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default:
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(void)fprintf(stderr,
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"make: illegal argument to d option -- %c\n",
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*modules);
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usage();
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}
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Var_Append(MAKEFLAGS, "-d", VAR_GLOBAL);
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Var_Append(MAKEFLAGS, optarg, VAR_GLOBAL);
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break;
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}
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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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(void)Lst_AtEnd(makefiles, (ClientData)optarg);
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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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maxJobs = atoi(optarg);
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Var_Append(MAKEFLAGS, "-j", VAR_GLOBAL);
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Var_Append(MAKEFLAGS, optarg, VAR_GLOBAL);
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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);
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break;
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case 'n':
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noExecute = TRUE;
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Var_Append(MAKEFLAGS, "-n", VAR_GLOBAL);
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break;
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case 'q':
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queryFlag = TRUE;
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/* Kind of nonsensical, wot? */
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Var_Append(MAKEFLAGS, "-q", VAR_GLOBAL);
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break;
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case 'r':
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noBuiltins = TRUE;
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Var_Append(MAKEFLAGS, "-r", VAR_GLOBAL);
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break;
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case 's':
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beSilent = TRUE;
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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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touchFlag = TRUE;
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Var_Append(MAKEFLAGS, "-t", VAR_GLOBAL);
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break;
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default:
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case '?':
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usage();
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}
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}
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oldVars = TRUE;
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/*
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* See if the rest of the arguments are variable assignments and
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* perform them if so. Else take them to be targets and stuff them
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* on the end of the "create" list.
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*/
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for (argv += optind, argc -= optind; *argv; ++argv, --argc)
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if (Parse_IsVar(*argv))
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Parse_DoVar(*argv, VAR_CMD);
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else {
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if (!**argv)
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Punt("illegal (null) argument.");
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if (**argv == '-') {
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if ((*argv)[1])
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optind = 0; /* -flag... */
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else
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optind = 1; /* - */
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goto rearg;
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}
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(void)Lst_AtEnd(create, (ClientData)*argv);
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}
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}
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/*-
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* Main_ParseArgLine --
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* Used by the parse module when a .MFLAGS or .MAKEFLAGS target
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* is encountered and by main() when reading the .MAKEFLAGS envariable.
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* Takes a line of arguments and breaks it into its
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* component words and passes those words and the number of them to the
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* MainParseArgs function.
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* The line should have all its leading whitespace removed.
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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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* Only those that come from the various arguments.
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*/
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void
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Main_ParseArgLine(line)
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char *line; /* Line to fracture */
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{
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char **argv; /* Manufactured argument vector */
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int argc; /* Number of arguments in argv */
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if (line == NULL)
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return;
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for (; *line == ' '; ++line)
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continue;
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if (!*line)
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return;
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argv = brk_string(line, &argc);
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MainParseArgs(argc, argv);
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}
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/*-
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* main --
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* The main function, for obvious reasons. Initializes variables
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* and a few modules, then parses the arguments give it in the
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* environment and on the command line. Reads the system makefile
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* followed by either Makefile, makefile or the file given by the
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* -f argument. Sets the .MAKEFLAGS PMake variable based on all the
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* flags it has received by then uses either the Make or the Compat
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* module to create the initial list of targets.
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*
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* Results:
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* If -q was given, exits -1 if anything was out-of-date. Else it exits
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* 0.
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*
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* Side Effects:
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* The program exits when done. Targets are created. etc. etc. etc.
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*/
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int
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main(argc, argv)
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int argc;
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char **argv;
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{
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Lst targs; /* target nodes to create -- passed to Make_Init */
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Boolean outOfDate = TRUE; /* FALSE if all targets up to date */
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struct stat sb, sa;
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char *p, *path, *pwd, *getenv(), *getwd();
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char mdpath[MAXPATHLEN + 1];
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char obpath[MAXPATHLEN + 1];
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char cdpath[MAXPATHLEN + 1];
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/*
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* Find where we are and take care of PWD for the automounter...
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* All this code is so that we know where we are when we start up
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* on a different machine with pmake.
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*/
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curdir = cdpath;
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if (getwd(curdir) == NULL) {
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(void)fprintf(stderr, "make: %s.\n", curdir);
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exit(2);
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}
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if (stat(curdir, &sa) == -1) {
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(void)fprintf(stderr, "make: %s: %s.\n",
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curdir, strerror(errno));
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exit(2);
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}
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if ((pwd = getenv("PWD")) != NULL) {
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if (stat(pwd, &sb) == 0 && sa.st_ino == sb.st_ino &&
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sa.st_dev == sb.st_dev)
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(void) strcpy(curdir, pwd);
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}
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/*
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* if the MAKEOBJDIR (or by default, the _PATH_OBJDIR) directory
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* exists, change into it and build there. Once things are
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* initted, have to add the original directory to the search path,
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* and modify the paths for the Makefiles apropriately. The
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* current directory is also placed as a variable for make scripts.
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*/
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if (!(path = getenv("MAKEOBJDIR"))) {
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path = _PATH_OBJDIR;
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(void) sprintf(mdpath, "%s.%s", path, MACHINE);
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}
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else
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(void) strncpy(mdpath, path, MAXPATHLEN + 1);
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if (stat(mdpath, &sb) == 0 && S_ISDIR(sb.st_mode)) {
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if (chdir(mdpath)) {
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(void)fprintf(stderr, "make warning: %s: %s.\n",
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mdpath, strerror(errno));
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objdir = curdir;
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}
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else {
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if (mdpath[0] != '/') {
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(void) sprintf(obpath, "%s/%s", curdir, mdpath);
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objdir = obpath;
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}
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else
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objdir = mdpath;
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}
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}
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else {
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if (stat(path, &sb) == 0 && S_ISDIR(sb.st_mode)) {
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if (chdir(path)) {
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(void)fprintf(stderr, "make warning: %s: %s.\n",
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path, strerror(errno));
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objdir = curdir;
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}
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else {
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if (path[0] != '/') {
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(void) sprintf(obpath, "%s/%s", curdir,
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path);
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objdir = obpath;
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}
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else
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objdir = obpath;
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}
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}
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else
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objdir = curdir;
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}
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setenv("PWD", objdir, 1);
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create = Lst_Init(FALSE);
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makefiles = Lst_Init(FALSE);
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beSilent = FALSE; /* Print commands as executed */
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ignoreErrors = FALSE; /* Pay attention to non-zero returns */
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noExecute = FALSE; /* Execute all commands */
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keepgoing = FALSE; /* Stop on error */
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allPrecious = FALSE; /* Remove targets when interrupted */
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queryFlag = FALSE; /* This is not just a check-run */
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noBuiltins = FALSE; /* Read the built-in rules */
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touchFlag = FALSE; /* Actually update targets */
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usePipes = TRUE; /* Catch child output in pipes */
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debug = 0; /* No debug verbosity, please. */
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jobsRunning = FALSE;
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maxJobs = DEFMAXJOBS; /* Set default max concurrency */
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maxLocal = DEFMAXLOCAL; /* Set default local max concurrency */
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#ifdef notyet
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compatMake = FALSE; /* No compat mode */
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#else
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compatMake = TRUE; /* No compat mode */
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#endif
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/*
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* Initialize the parsing, directory and variable modules to prepare
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* for the reading of inclusion paths and variable settings on the
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* command line
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*/
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Dir_Init(); /* Initialize directory structures so -I flags
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* can be processed correctly */
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Parse_Init(); /* Need to initialize the paths of #include
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* directories */
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Var_Init(); /* As well as the lists of variables for
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* parsing arguments */
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if (objdir != curdir)
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Dir_AddDir(dirSearchPath, curdir);
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Var_Set(".CURDIR", curdir, VAR_GLOBAL);
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Var_Set(".OBJDIR", objdir, VAR_GLOBAL);
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/*
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* Initialize various variables.
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* MAKE also gets this name, for compatibility
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* .MAKEFLAGS gets set to the empty string just in case.
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* MFLAGS also gets initialized empty, for compatibility.
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*/
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Var_Set("MAKE", argv[0], VAR_GLOBAL);
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Var_Set(MAKEFLAGS, "", VAR_GLOBAL);
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Var_Set("MFLAGS", "", VAR_GLOBAL);
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#ifdef MACHINE
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Var_Set("MACHINE", MACHINE, VAR_GLOBAL);
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#endif
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#ifdef MACHINE_ARCH
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Var_Set("MACHINE_ARCH", MACHINE_ARCH, VAR_GLOBAL);
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#endif
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/*
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* First snag any flags out of the MAKE environment variable.
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* (Note this is *not* MAKEFLAGS since /bin/make uses that and it's
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* in a different format).
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*/
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#ifdef POSIX
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Main_ParseArgLine(getenv("MAKEFLAGS"));
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#else
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Main_ParseArgLine(getenv("MAKE"));
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#endif
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MainParseArgs(argc, argv);
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/*
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|
* Initialize archive, target and suffix modules in preparation for
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* parsing the makefile(s)
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*/
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Arch_Init();
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Targ_Init();
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|
Suff_Init();
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DEFAULT = NILGNODE;
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(void)time(&now);
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/*
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|
* Set up the .TARGETS variable to contain the list of targets to be
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* created. If none specified, make the variable empty -- the parser
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* will fill the thing in with the default or .MAIN target.
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|
*/
|
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if (!Lst_IsEmpty(create)) {
|
|
LstNode ln;
|
|
|
|
for (ln = Lst_First(create); ln != NILLNODE;
|
|
ln = Lst_Succ(ln)) {
|
|
char *name = (char *)Lst_Datum(ln);
|
|
|
|
Var_Append(".TARGETS", name, VAR_GLOBAL);
|
|
}
|
|
} else
|
|
Var_Set(".TARGETS", "", VAR_GLOBAL);
|
|
|
|
/*
|
|
* Read in the built-in rules first, followed by the specified makefile,
|
|
* if it was (makefile != (char *) NULL), or the default Makefile and
|
|
* makefile, in that order, if it wasn't.
|
|
*/
|
|
if (!noBuiltins && !ReadMakefile(_PATH_DEFSYSMK))
|
|
Fatal("make: no system rules (%s).", _PATH_DEFSYSMK);
|
|
|
|
if (!Lst_IsEmpty(makefiles)) {
|
|
LstNode ln;
|
|
|
|
ln = Lst_Find(makefiles, (ClientData)NULL, ReadMakefile);
|
|
if (ln != NILLNODE)
|
|
Fatal("make: cannot open %s.", (char *)Lst_Datum(ln));
|
|
} else if (!ReadMakefile("makefile"))
|
|
(void)ReadMakefile("Makefile");
|
|
|
|
(void)ReadMakefile(".depend");
|
|
|
|
Var_Append("MFLAGS", Var_Value(MAKEFLAGS, VAR_GLOBAL), VAR_GLOBAL);
|
|
|
|
/* Install all the flags into the MAKE envariable. */
|
|
if (((p = Var_Value(MAKEFLAGS, VAR_GLOBAL)) != NULL) && *p)
|
|
#ifdef POSIX
|
|
setenv("MAKEFLAGS", p, 1);
|
|
#else
|
|
setenv("MAKE", p, 1);
|
|
#endif
|
|
|
|
/*
|
|
* 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, *path, *cp, 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 */
|
|
Dir_AddDir(dirSearchPath, path);
|
|
*cp = savec;
|
|
path = cp + 1;
|
|
} while (savec == ':');
|
|
(void)free((Address)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();
|
|
|
|
/* print the initial graph, if the user requested it */
|
|
if (DEBUG(GRAPH1))
|
|
Targ_PrintGraph(1);
|
|
|
|
/*
|
|
* 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);
|
|
|
|
/*
|
|
* this was original amMake -- want to allow parallelism, so put this
|
|
* back in, eventually.
|
|
*/
|
|
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) {
|
|
if (maxLocal == -1)
|
|
maxLocal = maxJobs;
|
|
Job_Init(maxJobs, maxLocal);
|
|
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);
|
|
|
|
/* print the graph now it's been processed if the user requested it */
|
|
if (DEBUG(GRAPH2))
|
|
Targ_PrintGraph(2);
|
|
|
|
if (queryFlag && outOfDate)
|
|
return(1);
|
|
else
|
|
return(0);
|
|
}
|
|
|
|
/*-
|
|
* ReadMakefile --
|
|
* Open and parse the given makefile.
|
|
*
|
|
* Results:
|
|
* TRUE if ok. FALSE if couldn't open file.
|
|
*
|
|
* Side Effects:
|
|
* lots
|
|
*/
|
|
static Boolean
|
|
ReadMakefile(fname)
|
|
char *fname; /* makefile to read */
|
|
{
|
|
extern Lst parseIncPath, sysIncPath;
|
|
FILE *stream;
|
|
char *name, path[MAXPATHLEN + 1];
|
|
|
|
if (!strcmp(fname, "-")) {
|
|
Parse_File("(stdin)", stdin);
|
|
Var_Set("MAKEFILE", "", VAR_GLOBAL);
|
|
} else {
|
|
if ((stream = fopen(fname, "r")) != NULL)
|
|
goto found;
|
|
/* if we've chdir'd, rebuild the path name */
|
|
if (curdir != objdir && *fname != '/') {
|
|
(void)sprintf(path, "%s/%s", curdir, fname);
|
|
if ((stream = fopen(path, "r")) != NULL) {
|
|
fname = path;
|
|
goto found;
|
|
}
|
|
}
|
|
/* look in -I and system include directories. */
|
|
name = Dir_FindFile(fname, parseIncPath);
|
|
if (!name)
|
|
name = Dir_FindFile(fname, sysIncPath);
|
|
if (!name || !(stream = fopen(name, "r")))
|
|
return(FALSE);
|
|
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: Var_Set("MAKEFILE", fname, VAR_GLOBAL);
|
|
Parse_File(fname, stream);
|
|
(void)fclose(stream);
|
|
}
|
|
return(TRUE);
|
|
}
|
|
|
|
/*-
|
|
* Error --
|
|
* Print an error message given its format.
|
|
*
|
|
* Results:
|
|
* None.
|
|
*
|
|
* Side Effects:
|
|
* The message is printed.
|
|
*/
|
|
/* VARARGS */
|
|
void
|
|
#if __STDC__
|
|
Error(const char *fmt, ...)
|
|
#else
|
|
Error(va_alist)
|
|
va_dcl
|
|
#endif
|
|
{
|
|
va_list ap;
|
|
#if __STDC__
|
|
va_start(ap, fmt);
|
|
#else
|
|
char *fmt;
|
|
|
|
va_start(ap);
|
|
fmt = va_arg(ap, char *);
|
|
#endif
|
|
(void)vfprintf(stderr, fmt, ap);
|
|
va_end(ap);
|
|
(void)fprintf(stderr, "\n");
|
|
(void)fflush(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
|
|
#if __STDC__
|
|
Fatal(const char *fmt, ...)
|
|
#else
|
|
Fatal(va_alist)
|
|
va_dcl
|
|
#endif
|
|
{
|
|
va_list ap;
|
|
#if __STDC__
|
|
va_start(ap, fmt);
|
|
#else
|
|
char *fmt;
|
|
|
|
va_start(ap);
|
|
fmt = va_arg(ap, char *);
|
|
#endif
|
|
if (jobsRunning)
|
|
Job_Wait();
|
|
|
|
(void)vfprintf(stderr, fmt, ap);
|
|
va_end(ap);
|
|
(void)fprintf(stderr, "\n");
|
|
(void)fflush(stderr);
|
|
|
|
if (DEBUG(GRAPH2))
|
|
Targ_PrintGraph(2);
|
|
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
|
|
#if __STDC__
|
|
Punt(const char *fmt, ...)
|
|
#else
|
|
Punt(va_alist)
|
|
va_dcl
|
|
#endif
|
|
{
|
|
va_list ap;
|
|
#if __STDC__
|
|
va_start(ap, fmt);
|
|
#else
|
|
char *fmt;
|
|
|
|
va_start(ap);
|
|
fmt = va_arg(ap, char *);
|
|
#endif
|
|
|
|
(void)fprintf(stderr, "make: ");
|
|
(void)vfprintf(stderr, fmt, ap);
|
|
va_end(ap);
|
|
(void)fprintf(stderr, "\n");
|
|
(void)fflush(stderr);
|
|
|
|
DieHorribly();
|
|
}
|
|
|
|
/*-
|
|
* DieHorribly --
|
|
* Exit without giving a message.
|
|
*
|
|
* Results:
|
|
* None
|
|
*
|
|
* Side Effects:
|
|
* A big one...
|
|
*/
|
|
void
|
|
DieHorribly()
|
|
{
|
|
if (jobsRunning)
|
|
Job_AbortAll();
|
|
if (DEBUG(GRAPH2))
|
|
Targ_PrintGraph(2);
|
|
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(errors)
|
|
int errors; /* number of errors encountered in Make_Make */
|
|
{
|
|
Fatal("%d error%s", errors, errors == 1 ? "" : "s");
|
|
}
|
|
|
|
/*
|
|
* emalloc --
|
|
* malloc, but die on error.
|
|
*/
|
|
char *
|
|
emalloc(len)
|
|
u_int len;
|
|
{
|
|
char *p;
|
|
|
|
if (!(p = malloc(len)))
|
|
enomem();
|
|
return(p);
|
|
}
|
|
|
|
/*
|
|
* enomem --
|
|
* die when out of memory.
|
|
*/
|
|
void
|
|
enomem()
|
|
{
|
|
(void)fprintf(stderr, "make: %s.\n", strerror(errno));
|
|
exit(2);
|
|
}
|
|
|
|
/*
|
|
* usage --
|
|
* exit with usage message
|
|
*/
|
|
static void
|
|
usage()
|
|
{
|
|
(void)fprintf(stderr,
|
|
"usage: make [-eiknqrst] [-D variable] [-d flags] [-f makefile ]\n\
|
|
[-I directory] [-j max_jobs] [variable=value]\n");
|
|
exit(2);
|
|
}
|