956e45f6fb
Lots of new unit-tests increase code coverage. Lots of refactoring, cleanup and simlpification to reduce code size. Fixes for Bug 223564 and 245807 Updates to dirdeps.mk and meta2deps.py
2284 lines
52 KiB
C
2284 lines
52 KiB
C
/* $NetBSD: main.c,v 1.421 2020/11/01 00:24:57 rillig 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
|
|
* 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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/*-
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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 optional arguments
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* 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 arguments for it.
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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 arguments for it.
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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 <sys/stat.h>
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#if defined(MAKE_NATIVE) && defined(HAVE_SYSCTL)
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#include <sys/sysctl.h>
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#endif
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#include <sys/utsname.h>
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#include "wait.h"
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#include <errno.h>
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#include <signal.h>
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#include <stdarg.h>
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#include <time.h>
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#include "make.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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/* "@(#)main.c 8.3 (Berkeley) 3/19/94" */
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MAKE_RCSID("$NetBSD: main.c,v 1.421 2020/11/01 00:24:57 rillig Exp $");
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#if defined(MAKE_NATIVE) && !defined(lint)
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__COPYRIGHT("@(#) Copyright (c) 1988, 1989, 1990, 1993 "
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"The Regents of the University of California. "
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"All rights reserved.");
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#endif
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#ifndef DEFMAXLOCAL
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#define DEFMAXLOCAL DEFMAXJOBS
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#endif
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#ifndef __arraycount
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# define __arraycount(__x) (sizeof(__x) / sizeof(__x[0]))
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#endif
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CmdOpts opts;
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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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Boolean deleteOnError; /* .DELETE_ON_ERROR: set */
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static int maxJobTokens; /* -j argument */
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Boolean enterFlagObj; /* -w and objdir != srcdir */
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Boolean oldVars; /* variable substitution style */
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static int jp_0 = -1, jp_1 = -1; /* ends of parent job pipe */
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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 int ReadMakefile(const char *);
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static void usage(void) MAKE_ATTR_DEAD;
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static void purge_cached_realpaths(void);
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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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int makelevel;
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Boolean forceJobs = FALSE;
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static int errors = 0;
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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 SearchPath *parseIncPath;
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/*
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* For compatibility with the POSIX version of MAKEFLAGS that includes
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* all the options with out -, convert flags to -f -l -a -g -s.
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*/
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static char *
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explode(const char *flags)
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{
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size_t len;
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char *nf, *st;
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const char *f;
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if (flags == NULL)
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return NULL;
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for (f = flags; *f; f++)
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if (!ch_isalpha(*f))
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break;
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if (*f)
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return bmake_strdup(flags);
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len = strlen(flags);
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st = nf = bmake_malloc(len * 3 + 1);
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while (*flags) {
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*nf++ = '-';
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*nf++ = *flags++;
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*nf++ = ' ';
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}
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*nf = '\0';
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return st;
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}
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static void
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parse_debug_option_F(const char *modules)
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{
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const char *mode;
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size_t len;
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char *fname;
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if (opts.debug_file != stdout && opts.debug_file != stderr)
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fclose(opts.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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opts.debug_file = stdout;
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return;
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}
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if (strcmp(modules, "stderr") == 0) {
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opts.debug_file = stderr;
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return;
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}
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len = strlen(modules);
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fname = bmake_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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opts.debug_file = fopen(fname, mode);
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if (!opts.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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}
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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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for (modules = argvalue; *modules; ++modules) {
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switch (*modules) {
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case '0': /* undocumented, only intended for tests */
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opts.debug &= DEBUG_LINT;
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break;
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case 'A':
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opts.debug = ~(0|DEBUG_LINT);
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break;
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case 'a':
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opts.debug |= DEBUG_ARCH;
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break;
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case 'C':
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opts.debug |= DEBUG_CWD;
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break;
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case 'c':
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opts.debug |= DEBUG_COND;
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break;
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case 'd':
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opts.debug |= DEBUG_DIR;
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break;
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case 'e':
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opts.debug |= DEBUG_ERROR;
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break;
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case 'f':
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opts.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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opts.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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opts.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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opts.debug |= DEBUG_GRAPH3;
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++modules;
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}
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break;
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case 'h':
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opts.debug |= DEBUG_HASH;
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break;
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case 'j':
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opts.debug |= DEBUG_JOB;
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break;
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case 'L':
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opts.debug |= DEBUG_LINT;
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break;
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case 'l':
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opts.debug |= DEBUG_LOUD;
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break;
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case 'M':
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opts.debug |= DEBUG_META;
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break;
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case 'm':
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opts.debug |= DEBUG_MAKE;
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break;
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case 'n':
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opts.debug |= DEBUG_SCRIPT;
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break;
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case 'p':
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opts.debug |= DEBUG_PARSE;
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break;
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case 's':
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opts.debug |= DEBUG_SUFF;
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break;
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case 't':
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opts.debug |= DEBUG_TARG;
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break;
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case 'V':
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opts.debugVflag = TRUE;
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break;
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case 'v':
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opts.debug |= DEBUG_VAR;
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break;
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case 'x':
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opts.debug |= DEBUG_SHELL;
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break;
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case 'F':
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parse_debug_option_F(modules + 1);
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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(opts.debug_file, NULL, _IONBF, 0);
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if (opts.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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* does path contain any relative components
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*/
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static Boolean
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is_relpath(const char *path)
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{
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const char *cp;
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if (path[0] != '/')
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return TRUE;
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cp = path;
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while ((cp = strstr(cp, "/.")) != NULL) {
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cp += 2;
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if (cp[0] == '/' || cp[0] == '\0')
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return TRUE;
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else if (cp[0] == '.') {
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if (cp[1] == '/' || cp[1] == '\0')
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return TRUE;
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|
}
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|
}
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|
return FALSE;
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|
}
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static void
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MainParseArgChdir(const char *argvalue)
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{
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struct stat sa, sb;
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if (chdir(argvalue) == -1) {
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(void)fprintf(stderr, "%s: chdir %s: %s\n",
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progname, argvalue, 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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|
if (!is_relpath(argvalue) &&
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stat(argvalue, &sa) != -1 &&
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|
stat(curdir, &sb) != -1 &&
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sa.st_ino == sb.st_ino &&
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sa.st_dev == sb.st_dev)
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strncpy(curdir, argvalue, MAXPATHLEN);
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|
ignorePWD = TRUE;
|
|
}
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|
|
|
static void
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|
MainParseArgJobsInternal(const char *argvalue)
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|
{
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|
if (sscanf(argvalue, "%d,%d", &jp_0, &jp_1) != 2) {
|
|
(void)fprintf(stderr,
|
|
"%s: internal error -- J option malformed (%s)\n",
|
|
progname, argvalue);
|
|
usage();
|
|
}
|
|
if ((fcntl(jp_0, F_GETFD, 0) < 0) ||
|
|
(fcntl(jp_1, F_GETFD, 0) < 0)) {
|
|
#if 0
|
|
(void)fprintf(stderr,
|
|
"%s: ###### warning -- J descriptors were closed!\n",
|
|
progname);
|
|
exit(2);
|
|
#endif
|
|
jp_0 = -1;
|
|
jp_1 = -1;
|
|
opts.compatMake = TRUE;
|
|
} else {
|
|
Var_Append(MAKEFLAGS, "-J", VAR_GLOBAL);
|
|
Var_Append(MAKEFLAGS, argvalue, VAR_GLOBAL);
|
|
}
|
|
}
|
|
|
|
static void
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|
MainParseArgJobs(const char *argvalue)
|
|
{
|
|
char *p;
|
|
|
|
forceJobs = TRUE;
|
|
opts.maxJobs = (int)strtol(argvalue, &p, 0);
|
|
if (*p != '\0' || opts.maxJobs < 1) {
|
|
(void)fprintf(stderr,
|
|
"%s: illegal argument to -j -- must be positive integer!\n",
|
|
progname);
|
|
exit(1); /* XXX: why not 2? */
|
|
}
|
|
Var_Append(MAKEFLAGS, "-j", VAR_GLOBAL);
|
|
Var_Append(MAKEFLAGS, argvalue, VAR_GLOBAL);
|
|
Var_Set(".MAKE.JOBS", argvalue, VAR_GLOBAL);
|
|
maxJobTokens = opts.maxJobs;
|
|
}
|
|
|
|
static void
|
|
MainParseArgSysInc(const char *argvalue)
|
|
{
|
|
/* look for magic parent directory search string */
|
|
if (strncmp(".../", argvalue, 4) == 0) {
|
|
char *found_path = Dir_FindHereOrAbove(curdir, argvalue + 4);
|
|
if (found_path == NULL)
|
|
return;
|
|
(void)Dir_AddDir(sysIncPath, found_path);
|
|
free(found_path);
|
|
} else {
|
|
(void)Dir_AddDir(sysIncPath, argvalue);
|
|
}
|
|
Var_Append(MAKEFLAGS, "-m", VAR_GLOBAL);
|
|
Var_Append(MAKEFLAGS, argvalue, VAR_GLOBAL);
|
|
}
|
|
|
|
static Boolean
|
|
MainParseArg(char c, const char *argvalue)
|
|
{
|
|
switch (c) {
|
|
case '\0':
|
|
break;
|
|
case 'B':
|
|
opts.compatMake = TRUE;
|
|
Var_Append(MAKEFLAGS, "-B", VAR_GLOBAL);
|
|
Var_Set(MAKE_MODE, "compat", VAR_GLOBAL);
|
|
break;
|
|
case 'C':
|
|
MainParseArgChdir(argvalue);
|
|
break;
|
|
case 'D':
|
|
if (argvalue[0] == '\0') return FALSE;
|
|
Var_Set(argvalue, "1", VAR_GLOBAL);
|
|
Var_Append(MAKEFLAGS, "-D", VAR_GLOBAL);
|
|
Var_Append(MAKEFLAGS, argvalue, VAR_GLOBAL);
|
|
break;
|
|
case 'I':
|
|
Parse_AddIncludeDir(argvalue);
|
|
Var_Append(MAKEFLAGS, "-I", VAR_GLOBAL);
|
|
Var_Append(MAKEFLAGS, argvalue, VAR_GLOBAL);
|
|
break;
|
|
case 'J':
|
|
MainParseArgJobsInternal(argvalue);
|
|
break;
|
|
case 'N':
|
|
opts.noExecute = TRUE;
|
|
opts.noRecursiveExecute = TRUE;
|
|
Var_Append(MAKEFLAGS, "-N", VAR_GLOBAL);
|
|
break;
|
|
case 'S':
|
|
opts.keepgoing = FALSE;
|
|
Var_Append(MAKEFLAGS, "-S", VAR_GLOBAL);
|
|
break;
|
|
case 'T':
|
|
tracefile = bmake_strdup(argvalue);
|
|
Var_Append(MAKEFLAGS, "-T", VAR_GLOBAL);
|
|
Var_Append(MAKEFLAGS, argvalue, VAR_GLOBAL);
|
|
break;
|
|
case 'V':
|
|
case 'v':
|
|
opts.printVars = c == 'v' ? EXPAND_VARS : COMPAT_VARS;
|
|
Lst_Append(opts.variables, bmake_strdup(argvalue));
|
|
/* XXX: Why always -V? */
|
|
Var_Append(MAKEFLAGS, "-V", VAR_GLOBAL);
|
|
Var_Append(MAKEFLAGS, argvalue, VAR_GLOBAL);
|
|
break;
|
|
case 'W':
|
|
opts.parseWarnFatal = TRUE;
|
|
break;
|
|
case 'X':
|
|
opts.varNoExportEnv = TRUE;
|
|
Var_Append(MAKEFLAGS, "-X", VAR_GLOBAL);
|
|
break;
|
|
case 'd':
|
|
/* If '-d-opts' don't pass to children */
|
|
if (argvalue[0] == '-')
|
|
argvalue++;
|
|
else {
|
|
Var_Append(MAKEFLAGS, "-d", VAR_GLOBAL);
|
|
Var_Append(MAKEFLAGS, argvalue, VAR_GLOBAL);
|
|
}
|
|
parse_debug_options(argvalue);
|
|
break;
|
|
case 'e':
|
|
opts.checkEnvFirst = TRUE;
|
|
Var_Append(MAKEFLAGS, "-e", VAR_GLOBAL);
|
|
break;
|
|
case 'f':
|
|
Lst_Append(opts.makefiles, bmake_strdup(argvalue));
|
|
break;
|
|
case 'i':
|
|
opts.ignoreErrors = TRUE;
|
|
Var_Append(MAKEFLAGS, "-i", VAR_GLOBAL);
|
|
break;
|
|
case 'j':
|
|
MainParseArgJobs(argvalue);
|
|
break;
|
|
case 'k':
|
|
opts.keepgoing = TRUE;
|
|
Var_Append(MAKEFLAGS, "-k", VAR_GLOBAL);
|
|
break;
|
|
case 'm':
|
|
MainParseArgSysInc(argvalue);
|
|
break;
|
|
case 'n':
|
|
opts.noExecute = TRUE;
|
|
Var_Append(MAKEFLAGS, "-n", VAR_GLOBAL);
|
|
break;
|
|
case 'q':
|
|
opts.queryFlag = TRUE;
|
|
/* Kind of nonsensical, wot? */
|
|
Var_Append(MAKEFLAGS, "-q", VAR_GLOBAL);
|
|
break;
|
|
case 'r':
|
|
opts.noBuiltins = TRUE;
|
|
Var_Append(MAKEFLAGS, "-r", VAR_GLOBAL);
|
|
break;
|
|
case 's':
|
|
opts.beSilent = TRUE;
|
|
Var_Append(MAKEFLAGS, "-s", VAR_GLOBAL);
|
|
break;
|
|
case 't':
|
|
opts.touchFlag = TRUE;
|
|
Var_Append(MAKEFLAGS, "-t", VAR_GLOBAL);
|
|
break;
|
|
case 'w':
|
|
opts.enterFlag = TRUE;
|
|
Var_Append(MAKEFLAGS, "-w", VAR_GLOBAL);
|
|
break;
|
|
default:
|
|
case '?':
|
|
usage();
|
|
}
|
|
return TRUE;
|
|
}
|
|
|
|
/* Parse the given arguments. Called from main() and from
|
|
* Main_ParseArgLine() when the .MAKEFLAGS target is used.
|
|
*
|
|
* The arguments must be treated as read-only and will be freed after the
|
|
* call.
|
|
*
|
|
* XXX: Deal with command line overriding .MAKEFLAGS in makefile */
|
|
static void
|
|
MainParseArgs(int argc, char **argv)
|
|
{
|
|
char c;
|
|
int arginc;
|
|
char *argvalue;
|
|
char *optscan;
|
|
Boolean inOption, dashDash = FALSE;
|
|
|
|
const char *optspecs = "BC:D:I:J:NST:V:WXd:ef:ij:km:nqrstv:w";
|
|
/* Can't actually use getopt(3) because rescanning is not portable */
|
|
|
|
rearg:
|
|
inOption = FALSE;
|
|
optscan = NULL;
|
|
while (argc > 1) {
|
|
const char *optspec;
|
|
if (!inOption)
|
|
optscan = argv[1];
|
|
c = *optscan++;
|
|
arginc = 0;
|
|
if (inOption) {
|
|
if (c == '\0') {
|
|
++argv;
|
|
--argc;
|
|
inOption = FALSE;
|
|
continue;
|
|
}
|
|
} else {
|
|
if (c != '-' || dashDash)
|
|
break;
|
|
inOption = TRUE;
|
|
c = *optscan++;
|
|
}
|
|
/* '-' found at some earlier point */
|
|
optspec = strchr(optspecs, c);
|
|
if (c != '\0' && optspec != NULL && optspec[1] == ':') {
|
|
/* -<something> found, and <something> should have an arg */
|
|
inOption = FALSE;
|
|
arginc = 1;
|
|
argvalue = optscan;
|
|
if (*argvalue == '\0') {
|
|
if (argc < 3)
|
|
goto noarg;
|
|
argvalue = argv[2];
|
|
arginc = 2;
|
|
}
|
|
} else {
|
|
argvalue = NULL;
|
|
}
|
|
switch (c) {
|
|
case '\0':
|
|
arginc = 1;
|
|
inOption = FALSE;
|
|
break;
|
|
case '-':
|
|
dashDash = TRUE;
|
|
break;
|
|
default:
|
|
if (!MainParseArg(c, argvalue))
|
|
goto noarg;
|
|
}
|
|
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) {
|
|
VarAssign var;
|
|
if (Parse_IsVar(argv[1], &var)) {
|
|
Parse_DoVar(&var, VAR_CMDLINE);
|
|
} else {
|
|
if (!*argv[1])
|
|
Punt("illegal (null) argument.");
|
|
if (*argv[1] == '-' && !dashDash)
|
|
goto rearg;
|
|
Lst_Append(opts.create, bmake_strdup(argv[1]));
|
|
}
|
|
}
|
|
|
|
return;
|
|
noarg:
|
|
(void)fprintf(stderr, "%s: option requires an argument -- %c\n",
|
|
progname, c);
|
|
usage();
|
|
}
|
|
|
|
/* Break a line of arguments into words and parse them.
|
|
*
|
|
* Used when a .MFLAGS or .MAKEFLAGS target is encountered during parsing and
|
|
* by main() when reading the MAKEFLAGS environment variable. */
|
|
void
|
|
Main_ParseArgLine(const char *line)
|
|
{
|
|
Words words;
|
|
void *p1;
|
|
const char *argv0 = Var_Value(".MAKE", VAR_GLOBAL, &p1);
|
|
char *buf;
|
|
|
|
if (line == NULL)
|
|
return;
|
|
for (; *line == ' '; ++line)
|
|
continue;
|
|
if (!*line)
|
|
return;
|
|
|
|
#ifndef POSIX
|
|
{
|
|
/*
|
|
* $MAKE may simply be naming the make(1) binary
|
|
*/
|
|
char *cp;
|
|
|
|
if (!(cp = strrchr(line, '/')))
|
|
cp = line;
|
|
if ((cp = strstr(cp, "make")) &&
|
|
strcmp(cp, "make") == 0)
|
|
return;
|
|
}
|
|
#endif
|
|
buf = str_concat3(argv0, " ", line);
|
|
free(p1);
|
|
|
|
words = Str_Words(buf, TRUE);
|
|
if (words.words == NULL) {
|
|
Error("Unterminated quoted string [%s]", buf);
|
|
free(buf);
|
|
return;
|
|
}
|
|
free(buf);
|
|
MainParseArgs((int)words.len, words.words);
|
|
|
|
Words_Free(words);
|
|
}
|
|
|
|
Boolean
|
|
Main_SetObjdir(const char *fmt, ...)
|
|
{
|
|
struct stat sb;
|
|
char *path;
|
|
char buf[MAXPATHLEN + 1];
|
|
char buf2[MAXPATHLEN + 1];
|
|
Boolean rc = FALSE;
|
|
va_list ap;
|
|
|
|
va_start(ap, fmt);
|
|
vsnprintf(path = buf, MAXPATHLEN, fmt, ap);
|
|
va_end(ap);
|
|
|
|
if (path[0] != '/') {
|
|
snprintf(buf2, MAXPATHLEN, "%s/%s", curdir, path);
|
|
path = buf2;
|
|
}
|
|
|
|
/* look for the directory and try to chdir there */
|
|
if (stat(path, &sb) == 0 && S_ISDIR(sb.st_mode)) {
|
|
/* if not .CURDIR it must be writable */
|
|
if ((strcmp(path, curdir) != 0 && access(path, W_OK) != 0) ||
|
|
chdir(path)) {
|
|
(void)fprintf(stderr, "make warning: %s: %s.\n",
|
|
path, strerror(errno));
|
|
} else {
|
|
snprintf(objdir, sizeof objdir, "%s", path);
|
|
Var_Set(".OBJDIR", objdir, VAR_GLOBAL);
|
|
setenv("PWD", objdir, 1);
|
|
Dir_InitDot();
|
|
purge_cached_realpaths();
|
|
rc = TRUE;
|
|
if (opts.enterFlag && strcmp(objdir, curdir) != 0)
|
|
enterFlagObj = TRUE;
|
|
}
|
|
}
|
|
|
|
return rc;
|
|
}
|
|
|
|
static Boolean
|
|
Main_SetVarObjdir(const char *var, const char *suffix)
|
|
{
|
|
void *path_freeIt;
|
|
const char *path = Var_Value(var, VAR_CMDLINE, &path_freeIt);
|
|
const char *xpath;
|
|
char *xpath_freeIt;
|
|
|
|
if (path == NULL || path[0] == '\0') {
|
|
bmake_free(path_freeIt);
|
|
return FALSE;
|
|
}
|
|
|
|
/* expand variable substitutions */
|
|
xpath = path;
|
|
xpath_freeIt = NULL;
|
|
if (strchr(path, '$') != 0) {
|
|
(void)Var_Subst(path, VAR_GLOBAL, VARE_WANTRES, &xpath_freeIt);
|
|
/* TODO: handle errors */
|
|
xpath = xpath_freeIt;
|
|
}
|
|
|
|
(void)Main_SetObjdir("%s%s", xpath, suffix);
|
|
|
|
bmake_free(xpath_freeIt);
|
|
bmake_free(path_freeIt);
|
|
return TRUE;
|
|
}
|
|
|
|
/* Read and parse the makefile.
|
|
* Return TRUE if reading the makefile succeeded. */
|
|
static int
|
|
ReadMakefileSucceeded(void *fname, void *unused)
|
|
{
|
|
return ReadMakefile(fname) == 0;
|
|
}
|
|
|
|
int
|
|
str2Lst_Append(StringList *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)) {
|
|
Lst_Append(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 *mode_freeIt = NULL;
|
|
|
|
if (mode == NULL) {
|
|
(void)Var_Subst("${" MAKE_MODE ":tl}",
|
|
VAR_GLOBAL, VARE_WANTRES, &mode_freeIt);
|
|
/* TODO: handle errors */
|
|
mode = mode_freeIt;
|
|
}
|
|
|
|
if (mode[0] != '\0') {
|
|
if (strstr(mode, "compat")) {
|
|
opts.compatMake = TRUE;
|
|
forceJobs = FALSE;
|
|
}
|
|
#if USE_META
|
|
if (strstr(mode, "meta"))
|
|
meta_mode_init(mode);
|
|
#endif
|
|
}
|
|
|
|
free(mode_freeIt);
|
|
}
|
|
|
|
static void
|
|
PrintVar(const char *varname, Boolean expandVars)
|
|
{
|
|
if (strchr(varname, '$')) {
|
|
char *evalue;
|
|
(void)Var_Subst(varname, VAR_GLOBAL, VARE_WANTRES, &evalue);
|
|
/* TODO: handle errors */
|
|
printf("%s\n", evalue);
|
|
bmake_free(evalue);
|
|
|
|
} else if (expandVars) {
|
|
char *expr = str_concat3("${", varname, "}");
|
|
char *evalue;
|
|
(void)Var_Subst(expr, VAR_GLOBAL, VARE_WANTRES, &evalue);
|
|
/* TODO: handle errors */
|
|
free(expr);
|
|
printf("%s\n", evalue);
|
|
bmake_free(evalue);
|
|
|
|
} else {
|
|
void *freeIt;
|
|
const char *value = Var_Value(varname, VAR_GLOBAL, &freeIt);
|
|
printf("%s\n", value ? value : "");
|
|
bmake_free(freeIt);
|
|
}
|
|
}
|
|
|
|
static void
|
|
doPrintVars(void)
|
|
{
|
|
StringListNode *ln;
|
|
Boolean expandVars;
|
|
|
|
if (opts.printVars == EXPAND_VARS)
|
|
expandVars = TRUE;
|
|
else if (opts.debugVflag)
|
|
expandVars = FALSE;
|
|
else
|
|
expandVars = getBoolean(".MAKE.EXPAND_VARIABLES", FALSE);
|
|
|
|
for (ln = opts.variables->first; ln != NULL; ln = ln->next) {
|
|
const char *varname = ln->datum;
|
|
PrintVar(varname, expandVars);
|
|
}
|
|
}
|
|
|
|
static Boolean
|
|
runTargets(void)
|
|
{
|
|
GNodeList *targs; /* target nodes to create -- passed to Make_Init */
|
|
Boolean outOfDate; /* FALSE if all targets up to date */
|
|
|
|
/*
|
|
* 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(opts.create))
|
|
targs = Parse_MainName();
|
|
else
|
|
targs = Targ_FindList(opts.create);
|
|
|
|
if (!opts.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 (!opts.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);
|
|
outOfDate = FALSE;
|
|
}
|
|
Lst_Free(targs);
|
|
return outOfDate;
|
|
}
|
|
|
|
/*
|
|
* 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.
|
|
*/
|
|
static void
|
|
InitVarTargets(void)
|
|
{
|
|
StringListNode *ln;
|
|
|
|
if (Lst_IsEmpty(opts.create)) {
|
|
Var_Set(".TARGETS", "", VAR_GLOBAL);
|
|
return;
|
|
}
|
|
|
|
for (ln = opts.create->first; ln != NULL; ln = ln->next) {
|
|
char *name = ln->datum;
|
|
Var_Append(".TARGETS", name, VAR_GLOBAL);
|
|
}
|
|
}
|
|
|
|
static void
|
|
InitRandom(void)
|
|
{
|
|
struct timeval tv;
|
|
|
|
gettimeofday(&tv, NULL);
|
|
srandom((unsigned int)(tv.tv_sec + tv.tv_usec));
|
|
}
|
|
|
|
static const char *
|
|
init_machine(const struct utsname *utsname)
|
|
{
|
|
#ifdef FORCE_MACHINE
|
|
const char *machine = FORCE_MACHINE;
|
|
#else
|
|
const char *machine = getenv("MACHINE");
|
|
#endif
|
|
if (machine != NULL)
|
|
return machine;
|
|
|
|
#ifdef MAKE_NATIVE
|
|
return utsname->machine;
|
|
#else
|
|
#ifdef MAKE_MACHINE
|
|
return MAKE_MACHINE;
|
|
#else
|
|
return "unknown";
|
|
#endif
|
|
#endif
|
|
}
|
|
|
|
static const char *
|
|
init_machine_arch(void)
|
|
{
|
|
const char *env = getenv("MACHINE_ARCH");
|
|
if (env != NULL)
|
|
return env;
|
|
|
|
#if defined(MAKE_NATIVE) && defined(CTL_HW)
|
|
{
|
|
struct utsname utsname;
|
|
static char machine_arch_buf[sizeof(utsname.machine)];
|
|
const int mib[2] = { CTL_HW, HW_MACHINE_ARCH };
|
|
size_t len = sizeof(machine_arch_buf);
|
|
|
|
if (sysctl(mib, __arraycount(mib), machine_arch_buf,
|
|
&len, NULL, 0) < 0) {
|
|
(void)fprintf(stderr, "%s: sysctl failed (%s).\n", progname,
|
|
strerror(errno));
|
|
exit(2);
|
|
}
|
|
|
|
return machine_arch_buf;
|
|
}
|
|
#else
|
|
#ifndef MACHINE_ARCH
|
|
#ifdef MAKE_MACHINE_ARCH
|
|
return MAKE_MACHINE_ARCH;
|
|
#else
|
|
return "unknown";
|
|
#endif
|
|
#else
|
|
return MACHINE_ARCH;
|
|
#endif
|
|
#endif
|
|
}
|
|
|
|
#ifndef NO_PWD_OVERRIDE
|
|
/*
|
|
* 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 $PWD)
|
|
* or via subdir.mk in which case its likely a shell which does
|
|
* not provide it.
|
|
*
|
|
* So, to stop it breaking this case only, we ignore PWD if
|
|
* MAKEOBJDIRPREFIX is set or MAKEOBJDIR contains a variable expression.
|
|
*/
|
|
static void
|
|
HandlePWD(const struct stat *curdir_st)
|
|
{
|
|
char *pwd;
|
|
void *prefix_freeIt, *makeobjdir_freeIt;
|
|
const char *makeobjdir;
|
|
struct stat pwd_st;
|
|
|
|
if (ignorePWD || (pwd = getenv("PWD")) == NULL)
|
|
return;
|
|
|
|
if (Var_Value("MAKEOBJDIRPREFIX", VAR_CMDLINE, &prefix_freeIt) != NULL) {
|
|
bmake_free(prefix_freeIt);
|
|
return;
|
|
}
|
|
|
|
makeobjdir = Var_Value("MAKEOBJDIR", VAR_CMDLINE, &makeobjdir_freeIt);
|
|
if (makeobjdir != NULL && strchr(makeobjdir, '$') != NULL)
|
|
goto ignore_pwd;
|
|
|
|
if (stat(pwd, &pwd_st) == 0 &&
|
|
curdir_st->st_ino == pwd_st.st_ino &&
|
|
curdir_st->st_dev == pwd_st.st_dev)
|
|
(void)strncpy(curdir, pwd, MAXPATHLEN);
|
|
|
|
ignore_pwd:
|
|
bmake_free(makeobjdir_freeIt);
|
|
}
|
|
#endif
|
|
|
|
/*
|
|
* 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-MACHINE_ARCH, _PATH_OBJDIR.MACHINE,
|
|
* and * finally _PATH_OBJDIRPREFIX`pwd`, in that order. If none
|
|
* of these paths exist, just use .CURDIR.
|
|
*/
|
|
static void
|
|
InitObjdir(const char *machine, const char *machine_arch)
|
|
{
|
|
Dir_InitDir(curdir);
|
|
(void)Main_SetObjdir("%s", curdir);
|
|
|
|
if (!Main_SetVarObjdir("MAKEOBJDIRPREFIX", curdir) &&
|
|
!Main_SetVarObjdir("MAKEOBJDIR", "") &&
|
|
!Main_SetObjdir("%s.%s-%s", _PATH_OBJDIR, machine, machine_arch) &&
|
|
!Main_SetObjdir("%s.%s", _PATH_OBJDIR, machine) &&
|
|
!Main_SetObjdir("%s", _PATH_OBJDIR))
|
|
(void)Main_SetObjdir("%s%s", _PATH_OBJDIRPREFIX, curdir);
|
|
}
|
|
|
|
/* get rid of resource limit on file descriptors */
|
|
static void
|
|
UnlimitFiles(void)
|
|
{
|
|
#if defined(MAKE_NATIVE) || (defined(HAVE_SETRLIMIT) && defined(RLIMIT_NOFILE))
|
|
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
|
|
}
|
|
|
|
static void
|
|
CmdOpts_Init(void)
|
|
{
|
|
opts.compatMake = FALSE; /* No compat mode */
|
|
opts.debug = 0; /* No debug verbosity, please. */
|
|
/* opts.debug_file has been initialized earlier */
|
|
opts.debugVflag = FALSE;
|
|
opts.checkEnvFirst = FALSE;
|
|
opts.makefiles = Lst_New();
|
|
opts.ignoreErrors = FALSE; /* Pay attention to non-zero returns */
|
|
opts.maxJobs = DEFMAXLOCAL; /* Set default local max concurrency */
|
|
opts.keepgoing = FALSE; /* Stop on error */
|
|
opts.noRecursiveExecute = FALSE; /* Execute all .MAKE targets */
|
|
opts.noExecute = FALSE; /* Execute all commands */
|
|
opts.queryFlag = FALSE; /* This is not just a check-run */
|
|
opts.noBuiltins = FALSE; /* Read the built-in rules */
|
|
opts.beSilent = FALSE; /* Print commands as executed */
|
|
opts.touchFlag = FALSE; /* Actually update targets */
|
|
opts.printVars = 0;
|
|
opts.variables = Lst_New();
|
|
opts.parseWarnFatal = FALSE;
|
|
opts.enterFlag = FALSE;
|
|
opts.varNoExportEnv = FALSE;
|
|
opts.create = Lst_New();
|
|
}
|
|
|
|
/* Initialize MAKE and .MAKE to the path of the executable, so that it can be
|
|
* found by execvp(3) and the shells, even after a chdir.
|
|
*
|
|
* If it's a relative path and contains a '/', resolve it to an absolute path.
|
|
* Otherwise keep it as is, assuming it will be found in the PATH. */
|
|
static void
|
|
InitVarMake(const char *argv0)
|
|
{
|
|
const char *make = argv0;
|
|
|
|
if (argv0[0] != '/' && strchr(argv0, '/') != NULL) {
|
|
char pathbuf[MAXPATHLEN];
|
|
const char *abs = cached_realpath(argv0, pathbuf);
|
|
struct stat st;
|
|
if (abs != NULL && abs[0] == '/' && stat(make, &st) == 0)
|
|
make = abs;
|
|
}
|
|
|
|
Var_Set("MAKE", make, VAR_GLOBAL);
|
|
Var_Set(".MAKE", make, VAR_GLOBAL);
|
|
}
|
|
|
|
static void
|
|
InitDefSysIncPath(char *syspath)
|
|
{
|
|
static char defsyspath[] = _PATH_DEFSYSPATH;
|
|
char *start, *cp;
|
|
|
|
/*
|
|
* 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.
|
|
*/
|
|
/* XXX: mismatch: the -m option sets sysIncPath, not syspath */
|
|
if (syspath == NULL || syspath[0] == '\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(defSysIncPath, start);
|
|
} else {
|
|
char *dir = Dir_FindHereOrAbove(curdir, start + 4);
|
|
if (dir != NULL) {
|
|
(void)Dir_AddDir(defSysIncPath, dir);
|
|
free(dir);
|
|
}
|
|
}
|
|
}
|
|
|
|
if (syspath != defsyspath)
|
|
free(syspath);
|
|
}
|
|
|
|
static void
|
|
ReadBuiltinRules(void)
|
|
{
|
|
StringList *sysMkPath = Lst_New();
|
|
Dir_Expand(_PATH_DEFSYSMK,
|
|
Lst_IsEmpty(sysIncPath) ? defSysIncPath : sysIncPath,
|
|
sysMkPath);
|
|
if (Lst_IsEmpty(sysMkPath))
|
|
Fatal("%s: no system rules (%s).", progname, _PATH_DEFSYSMK);
|
|
if (!Lst_ForEachUntil(sysMkPath, ReadMakefileSucceeded, NULL))
|
|
Fatal("%s: cannot open %s.", progname,
|
|
(char *)sysMkPath->first->datum);
|
|
/* XXX: sysMkPath is not freed */
|
|
}
|
|
|
|
static void
|
|
InitMaxJobs(void)
|
|
{
|
|
char *value;
|
|
int n;
|
|
|
|
if (forceJobs || opts.compatMake ||
|
|
!Var_Exists(".MAKE.JOBS", VAR_GLOBAL))
|
|
return;
|
|
|
|
(void)Var_Subst("${.MAKE.JOBS}", VAR_GLOBAL, VARE_WANTRES, &value);
|
|
/* TODO: handle errors */
|
|
n = (int)strtol(value, NULL, 0);
|
|
if (n < 1) {
|
|
(void)fprintf(stderr,
|
|
"%s: illegal value for .MAKE.JOBS "
|
|
"-- must be positive integer!\n",
|
|
progname);
|
|
exit(1);
|
|
}
|
|
|
|
if (n != opts.maxJobs) {
|
|
Var_Append(MAKEFLAGS, "-j", VAR_GLOBAL);
|
|
Var_Append(MAKEFLAGS, value, VAR_GLOBAL);
|
|
}
|
|
|
|
opts.maxJobs = n;
|
|
maxJobTokens = opts.maxJobs;
|
|
forceJobs = TRUE;
|
|
free(value);
|
|
}
|
|
|
|
/*
|
|
* For compatibility, look at the directories in the VPATH variable
|
|
* and add them to the search path, if the variable is defined. The
|
|
* variable's value is in the same format as the PATH environment
|
|
* variable, i.e. <directory>:<directory>:<directory>...
|
|
*/
|
|
static void
|
|
InitVpath(void)
|
|
{
|
|
char *vpath, savec, *path;
|
|
if (!Var_Exists("VPATH", VAR_CMDLINE))
|
|
return;
|
|
|
|
(void)Var_Subst("${VPATH}", VAR_CMDLINE, VARE_WANTRES, &vpath);
|
|
/* TODO: handle errors */
|
|
path = vpath;
|
|
do {
|
|
char *cp;
|
|
/* 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);
|
|
}
|
|
|
|
static void
|
|
ReadMakefiles(void)
|
|
{
|
|
if (opts.makefiles->first != NULL) {
|
|
StringListNode *ln;
|
|
|
|
for (ln = opts.makefiles->first; ln != NULL; ln = ln->next) {
|
|
if (ReadMakefile(ln->datum) != 0)
|
|
Fatal("%s: cannot open %s.",
|
|
progname, (char *)ln->datum);
|
|
}
|
|
} else {
|
|
char *p1;
|
|
(void)Var_Subst("${" MAKEFILE_PREFERENCE "}",
|
|
VAR_CMDLINE, VARE_WANTRES, &p1);
|
|
/* TODO: handle errors */
|
|
(void)str2Lst_Append(opts.makefiles, p1, NULL);
|
|
(void)Lst_ForEachUntil(opts.makefiles,
|
|
ReadMakefileSucceeded, NULL);
|
|
free(p1);
|
|
}
|
|
}
|
|
|
|
static void
|
|
CleanUp(void)
|
|
{
|
|
#ifdef CLEANUP
|
|
Lst_Destroy(opts.variables, free);
|
|
Lst_Free(opts.makefiles); /* don't free, may be used in GNodes */
|
|
Lst_Destroy(opts.create, 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);
|
|
|
|
if (enterFlagObj)
|
|
printf("%s: Leaving directory `%s'\n", progname, objdir);
|
|
if (opts.enterFlag)
|
|
printf("%s: Leaving directory `%s'\n", progname, curdir);
|
|
|
|
#ifdef USE_META
|
|
meta_finish();
|
|
#endif
|
|
Suff_End();
|
|
Targ_End();
|
|
Arch_End();
|
|
Var_End();
|
|
Parse_End();
|
|
Dir_End();
|
|
Job_End();
|
|
Trace_End();
|
|
}
|
|
|
|
/*-
|
|
* 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)
|
|
{
|
|
Boolean outOfDate; /* FALSE if all targets up to date */
|
|
struct stat sa;
|
|
const char *machine;
|
|
const char *machine_arch;
|
|
char *syspath = getenv("MAKESYSPATH");
|
|
struct utsname utsname;
|
|
|
|
/* default to writing debug to stderr */
|
|
opts.debug_file = stderr;
|
|
|
|
#ifdef SIGINFO
|
|
(void)bmake_signal(SIGINFO, siginfo);
|
|
#endif
|
|
|
|
InitRandom();
|
|
|
|
if ((progname = strrchr(argv[0], '/')) != NULL)
|
|
progname++;
|
|
else
|
|
progname = argv[0];
|
|
|
|
UnlimitFiles();
|
|
|
|
if (uname(&utsname) == -1) {
|
|
(void)fprintf(stderr, "%s: uname failed (%s).\n", progname,
|
|
strerror(errno));
|
|
exit(2);
|
|
}
|
|
|
|
/*
|
|
* 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.
|
|
*/
|
|
machine = init_machine(&utsname);
|
|
machine_arch = init_machine_arch();
|
|
|
|
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(".MAKE.OS", utsname.sysname, VAR_GLOBAL);
|
|
Var_Set("MACHINE", machine, VAR_GLOBAL);
|
|
Var_Set("MACHINE_ARCH", machine_arch, VAR_GLOBAL);
|
|
#ifdef MAKE_VERSION
|
|
Var_Set("MAKE_VERSION", MAKE_VERSION, VAR_GLOBAL);
|
|
#endif
|
|
Var_Set(".newline", "\n", VAR_GLOBAL); /* 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);
|
|
Var_Set(MAKE_DEPENDFILE, ".depend", VAR_GLOBAL);
|
|
|
|
CmdOpts_Init();
|
|
allPrecious = FALSE; /* Remove targets when interrupted */
|
|
deleteOnError = FALSE; /* Historical default behavior */
|
|
jobsRunning = FALSE;
|
|
|
|
maxJobTokens = opts.maxJobs;
|
|
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();
|
|
InitVarMake(argv[0]);
|
|
Var_Set(MAKEFLAGS, "", VAR_GLOBAL);
|
|
Var_Set(MAKEOVERRIDES, "", VAR_GLOBAL);
|
|
Var_Set("MFLAGS", "", VAR_GLOBAL);
|
|
Var_Set(".ALLTARGETS", "", VAR_GLOBAL);
|
|
/* some makefiles need to know this */
|
|
Var_Set(MAKE_LEVEL ".ENV", MAKE_LEVEL_ENV, VAR_CMDLINE);
|
|
|
|
/*
|
|
* Set some other useful macros
|
|
*/
|
|
{
|
|
char tmp[64], *ep;
|
|
|
|
makelevel = ((ep = getenv(MAKE_LEVEL_ENV)) && *ep) ? atoi(ep) : 0;
|
|
if (makelevel < 0)
|
|
makelevel = 0;
|
|
snprintf(tmp, sizeof(tmp), "%d", makelevel);
|
|
Var_Set(MAKE_LEVEL, tmp, VAR_GLOBAL);
|
|
snprintf(tmp, sizeof(tmp), "%u", myPid);
|
|
Var_Set(".MAKE.PID", tmp, VAR_GLOBAL);
|
|
snprintf(tmp, sizeof(tmp), "%u", getppid());
|
|
Var_Set(".MAKE.PPID", tmp, VAR_GLOBAL);
|
|
}
|
|
if (makelevel > 0) {
|
|
char pn[1024];
|
|
snprintf(pn, sizeof(pn), "%s[%d]", progname, makelevel);
|
|
progname = bmake_strdup(pn);
|
|
}
|
|
|
|
#ifdef USE_META
|
|
meta_init();
|
|
#endif
|
|
Dir_Init();
|
|
|
|
/*
|
|
* 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
|
|
{
|
|
char *p1 = explode(getenv("MAKEFLAGS"));
|
|
Main_ParseArgLine(p1);
|
|
free(p1);
|
|
}
|
|
#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);
|
|
|
|
if (opts.enterFlag)
|
|
printf("%s: Entering directory `%s'\n", progname, curdir);
|
|
|
|
/*
|
|
* Verify that cwd is sane.
|
|
*/
|
|
if (stat(curdir, &sa) == -1) {
|
|
(void)fprintf(stderr, "%s: %s: %s.\n",
|
|
progname, curdir, strerror(errno));
|
|
exit(2);
|
|
}
|
|
|
|
#ifndef NO_PWD_OVERRIDE
|
|
HandlePWD(&sa);
|
|
#endif
|
|
Var_Set(".CURDIR", curdir, VAR_GLOBAL);
|
|
|
|
InitObjdir(machine, machine_arch);
|
|
|
|
/*
|
|
* 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);
|
|
|
|
InitVarTargets();
|
|
|
|
InitDefSysIncPath(syspath);
|
|
|
|
/*
|
|
* Read in the built-in rules first, followed by the specified
|
|
* makefiles, or the default makefile and Makefile, in that order,
|
|
* if no makefiles were given on the command line.
|
|
*/
|
|
if (!opts.noBuiltins)
|
|
ReadBuiltinRules();
|
|
ReadMakefiles();
|
|
|
|
/* In particular suppress .depend for '-r -V .OBJDIR -f /dev/null' */
|
|
if (!opts.noBuiltins || !opts.printVars) {
|
|
/* ignore /dev/null and anything starting with "no" */
|
|
(void)Var_Subst("${.MAKE.DEPENDFILE:N/dev/null:Nno*:T}",
|
|
VAR_CMDLINE, VARE_WANTRES, &makeDependfile);
|
|
if (makeDependfile[0] != '\0') {
|
|
/* TODO: handle errors */
|
|
doing_depend = TRUE;
|
|
(void)ReadMakefile(makeDependfile);
|
|
doing_depend = FALSE;
|
|
}
|
|
}
|
|
|
|
if (enterFlagObj)
|
|
printf("%s: Entering directory `%s'\n", progname, objdir);
|
|
|
|
MakeMode(NULL);
|
|
|
|
{
|
|
void *freeIt;
|
|
Var_Append("MFLAGS", Var_Value(MAKEFLAGS, VAR_GLOBAL, &freeIt),
|
|
VAR_GLOBAL);
|
|
bmake_free(freeIt);
|
|
|
|
}
|
|
|
|
InitMaxJobs();
|
|
|
|
/*
|
|
* Be compatible if user did not specify -j and did not explicitly
|
|
* turned compatibility on
|
|
*/
|
|
if (!opts.compatMake && !forceJobs) {
|
|
opts.compatMake = TRUE;
|
|
}
|
|
|
|
if (!opts.compatMake)
|
|
Job_ServerStart(maxJobTokens, jp_0, jp_1);
|
|
DEBUG5(JOB, "job_pipe %d %d, maxjobs %d, tokens %d, compat %d\n",
|
|
jp_0, jp_1, opts.maxJobs, maxJobTokens, opts.compatMake ? 1 : 0);
|
|
|
|
if (!opts.printVars)
|
|
Main_ExportMAKEFLAGS(TRUE); /* initial export */
|
|
|
|
InitVpath();
|
|
|
|
/*
|
|
* 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 (opts.printVars) {
|
|
doPrintVars();
|
|
outOfDate = FALSE;
|
|
} else {
|
|
outOfDate = runTargets();
|
|
}
|
|
|
|
CleanUp();
|
|
|
|
if (DEBUG(LINT) && (errors > 0 || Parse_GetFatals() > 0))
|
|
return 2; /* Not 1 so -q can distinguish error */
|
|
return outOfDate ? 1 : 0;
|
|
}
|
|
|
|
/* Open and parse the given makefile, with all its side effects.
|
|
*
|
|
* Results:
|
|
* 0 if ok. -1 if couldn't open file.
|
|
*/
|
|
static int
|
|
ReadMakefile(const char *fname)
|
|
{
|
|
int fd;
|
|
char *name, *path = NULL;
|
|
|
|
if (!strcmp(fname, "-")) {
|
|
Parse_File(NULL /*stdin*/, -1);
|
|
Var_Set("MAKEFILE", "", VAR_INTERNAL);
|
|
} else {
|
|
/* if we've chdir'd, rebuild the path name */
|
|
if (strcmp(curdir, objdir) && *fname != '/') {
|
|
path = str_concat3(curdir, "/", fname);
|
|
fd = open(path, O_RDONLY);
|
|
if (fd != -1) {
|
|
fname = path;
|
|
goto found;
|
|
}
|
|
free(path);
|
|
|
|
/* If curdir failed, try objdir (ala .depend) */
|
|
path = str_concat3(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) {
|
|
SearchPath *sysInc = Lst_IsEmpty(sysIncPath)
|
|
? defSysIncPath : sysIncPath;
|
|
name = Dir_FindFile(fname, sysInc);
|
|
}
|
|
if (!name || (fd = open(name, O_RDONLY)) == -1) {
|
|
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_INTERNAL);
|
|
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. In the output, newlines are replaced with spaces.
|
|
*
|
|
* Results:
|
|
* A string containing the output of the command, or the empty string.
|
|
* *errfmt returns a format string describing the command failure,
|
|
* if any, using a single %s conversion specification.
|
|
*
|
|
* Side Effects:
|
|
* The string must be freed by the caller.
|
|
*/
|
|
char *
|
|
Cmd_Exec(const char *cmd, const char **errfmt)
|
|
{
|
|
const char *args[4]; /* Args for invoking the shell */
|
|
int fds[2]; /* Pipe streams */
|
|
int cpid; /* Child PID */
|
|
int pid; /* PID from wait() */
|
|
WAIT_T status; /* command exit status */
|
|
Buffer buf; /* buffer to store the result */
|
|
ssize_t bytes_read;
|
|
char *res; /* result */
|
|
size_t res_len;
|
|
char *cp;
|
|
int savederr; /* saved errno */
|
|
|
|
*errfmt = 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) {
|
|
*errfmt = "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:
|
|
*errfmt = "Couldn't exec \"%s\"";
|
|
goto bad;
|
|
|
|
default:
|
|
/*
|
|
* No need for the writing half
|
|
*/
|
|
(void)close(fds[1]);
|
|
|
|
savederr = 0;
|
|
Buf_Init(&buf, 0);
|
|
|
|
do {
|
|
char result[BUFSIZ];
|
|
bytes_read = read(fds[0], result, sizeof(result));
|
|
if (bytes_read > 0)
|
|
Buf_AddBytes(&buf, result, (size_t)bytes_read);
|
|
}
|
|
while (bytes_read > 0 || (bytes_read == -1 && errno == EINTR));
|
|
if (bytes_read == -1)
|
|
savederr = errno;
|
|
|
|
/*
|
|
* 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;
|
|
}
|
|
res_len = Buf_Len(&buf);
|
|
res = Buf_Destroy(&buf, FALSE);
|
|
|
|
if (savederr != 0)
|
|
*errfmt = "Couldn't read shell's output for \"%s\"";
|
|
|
|
if (WIFSIGNALED(status))
|
|
*errfmt = "\"%s\" exited on a signal";
|
|
else if (WEXITSTATUS(status) != 0)
|
|
*errfmt = "\"%s\" returned non-zero status";
|
|
|
|
/* Convert newlines to spaces. A final newline is just stripped */
|
|
if (res_len > 0 && res[res_len - 1] == '\n')
|
|
res[res_len - 1] = '\0';
|
|
for (cp = res; *cp != '\0'; cp++)
|
|
if (*cp == '\n')
|
|
*cp = ' ';
|
|
break;
|
|
}
|
|
return res;
|
|
bad:
|
|
return bmake_strdup("");
|
|
}
|
|
|
|
/* Print a printf-style error message.
|
|
*
|
|
* This error message has no consequences, in particular it does not affect
|
|
* the exit status. */
|
|
void
|
|
Error(const char *fmt, ...)
|
|
{
|
|
va_list ap;
|
|
FILE *err_file;
|
|
|
|
err_file = opts.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;
|
|
}
|
|
errors++;
|
|
}
|
|
|
|
/* Produce a Fatal error message, then exit immediately.
|
|
*
|
|
* If jobs are running, wait for them to finish. */
|
|
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 */
|
|
}
|
|
|
|
/* Major exception once jobs are being created.
|
|
* Kills all jobs, prints a message and exits. */
|
|
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();
|
|
}
|
|
|
|
/* Exit without giving a message. */
|
|
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 */
|
|
}
|
|
|
|
/* Called when aborting due to errors in child shell to signal abnormal exit.
|
|
* The program exits.
|
|
* Errors is the number of errors encountered in Make_Make. */
|
|
void
|
|
Finish(int errs)
|
|
{
|
|
if (dieQuietly(NULL, -1))
|
|
exit(2);
|
|
Fatal("%d error%s", errs, errs == 1 ? "" : "s");
|
|
}
|
|
|
|
/*
|
|
* eunlink --
|
|
* 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);
|
|
}
|
|
|
|
static void
|
|
write_all(int fd, const void *data, size_t n)
|
|
{
|
|
const char *mem = data;
|
|
|
|
while (n > 0) {
|
|
ssize_t written = write(fd, mem, n);
|
|
if (written == -1 && errno == EAGAIN)
|
|
continue;
|
|
if (written == -1)
|
|
break;
|
|
mem += written;
|
|
n -= (size_t)written;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* execDie --
|
|
* Print why exec failed, avoiding stdio.
|
|
*/
|
|
void MAKE_ATTR_DEAD
|
|
execDie(const char *af, const char *av)
|
|
{
|
|
Buffer buf;
|
|
|
|
Buf_Init(&buf, 0);
|
|
Buf_AddStr(&buf, progname);
|
|
Buf_AddStr(&buf, ": ");
|
|
Buf_AddStr(&buf, af);
|
|
Buf_AddStr(&buf, "(");
|
|
Buf_AddStr(&buf, av);
|
|
Buf_AddStr(&buf, ") failed (");
|
|
Buf_AddStr(&buf, strerror(errno));
|
|
Buf_AddStr(&buf, ")\n");
|
|
|
|
write_all(STDERR_FILENO, Buf_GetAll(&buf, NULL), Buf_Len(&buf));
|
|
|
|
Buf_Destroy(&buf, TRUE);
|
|
_exit(1);
|
|
}
|
|
|
|
/*
|
|
* usage --
|
|
* exit with usage message
|
|
*/
|
|
static void
|
|
usage(void)
|
|
{
|
|
char *p;
|
|
if ((p = strchr(progname, '[')) != NULL)
|
|
*p = '\0';
|
|
|
|
(void)fprintf(stderr,
|
|
"usage: %s [-BeikNnqrstWwX] \n"
|
|
" [-C directory] [-D variable] [-d flags] [-f makefile]\n"
|
|
" [-I directory] [-J private] [-j max_jobs] [-m directory] [-T file]\n"
|
|
" [-V variable] [-v variable] [variable=value] [target ...]\n",
|
|
progname);
|
|
exit(2);
|
|
}
|
|
|
|
/*
|
|
* realpath(3) can get expensive, cache results...
|
|
*/
|
|
static GNode *cached_realpaths = NULL;
|
|
|
|
static GNode *
|
|
get_cached_realpaths(void)
|
|
{
|
|
|
|
if (!cached_realpaths) {
|
|
cached_realpaths = Targ_NewGN("Realpath");
|
|
#ifndef DEBUG_REALPATH_CACHE
|
|
cached_realpaths->flags = INTERNAL;
|
|
#endif
|
|
}
|
|
|
|
return cached_realpaths;
|
|
}
|
|
|
|
/* purge any relative paths */
|
|
static void
|
|
purge_cached_realpaths(void)
|
|
{
|
|
GNode *cache = get_cached_realpaths();
|
|
HashEntry *he, *nhe;
|
|
HashIter hi;
|
|
|
|
HashIter_Init(&hi, &cache->context);
|
|
he = HashIter_Next(&hi);
|
|
while (he != NULL) {
|
|
nhe = HashIter_Next(&hi);
|
|
if (he->key[0] != '/') {
|
|
if (DEBUG(DIR))
|
|
fprintf(stderr, "cached_realpath: purging %s\n", he->key);
|
|
HashTable_DeleteEntry(&cache->context, he);
|
|
}
|
|
he = nhe;
|
|
}
|
|
}
|
|
|
|
char *
|
|
cached_realpath(const char *pathname, char *resolved)
|
|
{
|
|
GNode *cache;
|
|
const char *rp;
|
|
void *freeIt;
|
|
|
|
if (!pathname || !pathname[0])
|
|
return NULL;
|
|
|
|
cache = get_cached_realpaths();
|
|
|
|
if ((rp = Var_Value(pathname, cache, &freeIt)) != NULL) {
|
|
/* a hit */
|
|
strlcpy(resolved, rp, MAXPATHLEN);
|
|
} else if ((rp = realpath(pathname, resolved)) != NULL) {
|
|
Var_Set(pathname, rp, cache);
|
|
} /* else should we negative-cache? */
|
|
|
|
bmake_free(freeIt);
|
|
return rp ? resolved : NULL;
|
|
}
|
|
|
|
/*
|
|
* Return true if we should die without noise.
|
|
* For example our failing child was a sub-make
|
|
* or failure happend elsewhere.
|
|
*/
|
|
int
|
|
dieQuietly(GNode *gn, int bf)
|
|
{
|
|
static int quietly = -1;
|
|
|
|
if (quietly < 0) {
|
|
if (DEBUG(JOB) || !getBoolean(".MAKE.DIE_QUIETLY", TRUE))
|
|
quietly = 0;
|
|
else if (bf >= 0)
|
|
quietly = bf;
|
|
else
|
|
quietly = gn != NULL ? ((gn->type & (OP_MAKE)) != 0) : 0;
|
|
}
|
|
return quietly;
|
|
}
|
|
|
|
static void
|
|
SetErrorVars(GNode *gn)
|
|
{
|
|
StringListNode *ln;
|
|
|
|
/*
|
|
* We can print this even if there is no .ERROR target.
|
|
*/
|
|
Var_Set(".ERROR_TARGET", gn->name, VAR_GLOBAL);
|
|
Var_Delete(".ERROR_CMD", VAR_GLOBAL);
|
|
|
|
for (ln = gn->commands->first; ln != NULL; ln = ln->next) {
|
|
const char *cmd = ln->datum;
|
|
|
|
if (cmd == NULL)
|
|
break;
|
|
Var_Append(".ERROR_CMD", cmd, VAR_GLOBAL);
|
|
}
|
|
}
|
|
|
|
void
|
|
PrintOnError(GNode *gn, const char *s)
|
|
{
|
|
static GNode *en = NULL;
|
|
const char *expr;
|
|
char *cp;
|
|
|
|
if (DEBUG(HASH)) {
|
|
Targ_Stats();
|
|
Var_Stats();
|
|
}
|
|
|
|
/* we generally want to keep quiet if a sub-make died */
|
|
if (dieQuietly(gn, -1))
|
|
return;
|
|
|
|
if (s)
|
|
printf("%s", s);
|
|
|
|
printf("\n%s: stopped in %s\n", progname, curdir);
|
|
|
|
if (en)
|
|
return; /* we've been here! */
|
|
if (gn)
|
|
SetErrorVars(gn);
|
|
expr = "${MAKE_PRINT_VAR_ON_ERROR:@v@$v='${$v}'\n@}";
|
|
(void)Var_Subst(expr, VAR_GLOBAL, VARE_WANTRES, &cp);
|
|
/* TODO: handle errors */
|
|
printf("%s", cp);
|
|
free(cp);
|
|
fflush(stdout);
|
|
|
|
/*
|
|
* Finally, see if there is a .ERROR target, and run it if so.
|
|
*/
|
|
en = Targ_FindNode(".ERROR");
|
|
if (en) {
|
|
en->type |= OP_SPECIAL;
|
|
Compat_Make(en, en);
|
|
}
|
|
}
|
|
|
|
void
|
|
Main_ExportMAKEFLAGS(Boolean first)
|
|
{
|
|
static Boolean once = TRUE;
|
|
const char *expr;
|
|
char *s;
|
|
|
|
if (once != first)
|
|
return;
|
|
once = FALSE;
|
|
|
|
expr = "${.MAKEFLAGS} ${.MAKEOVERRIDES:O:u:@v@$v=${$v:Q}@}";
|
|
(void)Var_Subst(expr, VAR_CMDLINE, VARE_WANTRES, &s);
|
|
/* TODO: handle errors */
|
|
if (s[0] != '\0') {
|
|
#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 $TMPDIR but only if it is valid.
|
|
* Ensure it ends with /.
|
|
*/
|
|
(void)Var_Subst("${TMPDIR:tA:U" _PATH_TMP "}/", VAR_GLOBAL,
|
|
VARE_WANTRES, &tmpdir);
|
|
/* TODO: handle errors */
|
|
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 out_fname is provided, set it to a copy of the filename created.
|
|
* Otherwise unlink the file once open.
|
|
*/
|
|
int
|
|
mkTempFile(const char *pattern, char **out_fname)
|
|
{
|
|
static char *tmpdir = NULL;
|
|
char tfile[MAXPATHLEN];
|
|
int fd;
|
|
|
|
if (pattern != NULL)
|
|
pattern = TMPPAT;
|
|
if (tmpdir == NULL)
|
|
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 (out_fname) {
|
|
*out_fname = bmake_strdup(tfile);
|
|
} else {
|
|
unlink(tfile); /* we just want the descriptor */
|
|
}
|
|
return fd;
|
|
}
|
|
|
|
/*
|
|
* Convert a string representation of a boolean.
|
|
* Anything that looks like "No", "False", "Off", "0" etc,
|
|
* is FALSE, otherwise TRUE.
|
|
*/
|
|
Boolean
|
|
s2Boolean(const char *s, Boolean bf)
|
|
{
|
|
switch(s[0]) {
|
|
case '\0': /* not set - the default wins */
|
|
break;
|
|
case '0':
|
|
case 'F':
|
|
case 'f':
|
|
case 'N':
|
|
case 'n':
|
|
return FALSE;
|
|
case 'O':
|
|
case 'o':
|
|
return s[1] != 'F' && s[1] != 'f';
|
|
default:
|
|
return TRUE;
|
|
}
|
|
return bf;
|
|
}
|
|
|
|
/*
|
|
* Return a Boolean based on a variable.
|
|
*
|
|
* If the knob is not set, return the fallback.
|
|
* If set, anything that looks or smells like "No", "False", "Off", "0", etc.
|
|
* is FALSE, otherwise TRUE.
|
|
*/
|
|
Boolean
|
|
getBoolean(const char *varname, Boolean fallback)
|
|
{
|
|
char *expr = str_concat3("${", varname, ":U}");
|
|
char *value;
|
|
Boolean res;
|
|
|
|
(void)Var_Subst(expr, VAR_GLOBAL, VARE_WANTRES, &value);
|
|
/* TODO: handle errors */
|
|
res = s2Boolean(value, fallback);
|
|
free(value);
|
|
free(expr);
|
|
return res;
|
|
}
|