913 lines
22 KiB
C
913 lines
22 KiB
C
/*
|
|
* Copyright (c) 1988, 1989, 1990 The Regents of the University of California.
|
|
* Copyright (c) 1988, 1989 by Adam de Boor
|
|
* Copyright (c) 1989 by Berkeley Softworks
|
|
* All rights reserved.
|
|
*
|
|
* This code is derived from software contributed to Berkeley by
|
|
* Adam de Boor.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
* 3. All advertising materials mentioning features or use of this software
|
|
* must display the following acknowledgement:
|
|
* This product includes software developed by the University of
|
|
* California, Berkeley and its contributors.
|
|
* 4. Neither the name of the University nor the names of its contributors
|
|
* may be used to endorse or promote products derived from this software
|
|
* without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*/
|
|
|
|
#ifndef lint
|
|
char copyright[] =
|
|
"@(#) Copyright (c) 1989 The Regents of the University of California.\n\
|
|
All rights reserved.\n";
|
|
#endif /* not lint */
|
|
|
|
#ifndef lint
|
|
/* from: static char sccsid[] = "@(#)main.c 5.25 (Berkeley) 4/1/91"; */
|
|
static char *rcsid = "$Id: main.c,v 1.13 1994/03/05 00:34:53 cgd Exp $";
|
|
#endif /* not lint */
|
|
|
|
/*-
|
|
* main.c --
|
|
* The main file for this entire program. Exit routines etc
|
|
* reside here.
|
|
*
|
|
* Utility functions defined in this file:
|
|
* Main_ParseArgLine Takes a line of arguments, breaks them and
|
|
* treats them as if they were given when first
|
|
* invoked. Used by the parse module to implement
|
|
* the .MFLAGS target.
|
|
*
|
|
* Error Print a tagged error message. The global
|
|
* MAKE variable must have been defined. This
|
|
* takes a format string and two optional
|
|
* arguments for it.
|
|
*
|
|
* Fatal Print an error message and exit. Also takes
|
|
* a format string and two arguments.
|
|
*
|
|
* Punt Aborts all jobs and exits with a message. Also
|
|
* takes a format string and two arguments.
|
|
*
|
|
* Finish Finish things up by printing the number of
|
|
* errors which occured, as passed to it, and
|
|
* exiting.
|
|
*/
|
|
|
|
#include <sys/types.h>
|
|
#include <sys/time.h>
|
|
#include <sys/param.h>
|
|
#include <sys/resource.h>
|
|
#include <sys/signal.h>
|
|
#include <sys/stat.h>
|
|
#include <errno.h>
|
|
#include <fcntl.h>
|
|
#include <stdio.h>
|
|
#if __STDC__
|
|
#include <stdarg.h>
|
|
#else
|
|
#include <varargs.h>
|
|
#endif
|
|
#include "make.h"
|
|
#include "hash.h"
|
|
#include "dir.h"
|
|
#include "job.h"
|
|
#include "pathnames.h"
|
|
|
|
#ifndef DEFMAXLOCAL
|
|
#define DEFMAXLOCAL DEFMAXJOBS
|
|
#endif DEFMAXLOCAL
|
|
|
|
#define MAKEFLAGS ".MAKEFLAGS"
|
|
|
|
Lst create; /* Targets to be made */
|
|
time_t now; /* Time at start of make */
|
|
GNode *DEFAULT; /* .DEFAULT node */
|
|
Boolean allPrecious; /* .PRECIOUS given on line by itself */
|
|
|
|
static Boolean noBuiltins; /* -r flag */
|
|
static Lst makefiles; /* ordered list of makefiles to read */
|
|
int maxJobs; /* -J argument */
|
|
static int maxLocal; /* -L argument */
|
|
Boolean compatMake; /* -B argument */
|
|
Boolean debug; /* -d flag */
|
|
Boolean noExecute; /* -n flag */
|
|
Boolean keepgoing; /* -k flag */
|
|
Boolean queryFlag; /* -q flag */
|
|
Boolean touchFlag; /* -t flag */
|
|
Boolean usePipes; /* !-P flag */
|
|
Boolean ignoreErrors; /* -i flag */
|
|
Boolean beSilent; /* -s flag */
|
|
Boolean oldVars; /* variable substitution style */
|
|
Boolean checkEnvFirst; /* -e flag */
|
|
static Boolean jobsRunning; /* TRUE if the jobs might be running */
|
|
|
|
static Boolean ReadMakefile();
|
|
static void usage();
|
|
|
|
static char *curdir; /* startup directory */
|
|
static char *objdir; /* where we chdir'ed to */
|
|
|
|
/*-
|
|
* MainParseArgs --
|
|
* Parse a given argument vector. Called from main() and from
|
|
* Main_ParseArgLine() when the .MAKEFLAGS target is used.
|
|
*
|
|
* XXX: Deal with command line overriding .MAKEFLAGS in makefile
|
|
*
|
|
* Results:
|
|
* None
|
|
*
|
|
* Side Effects:
|
|
* Various global and local flags will be set depending on the flags
|
|
* given
|
|
*/
|
|
static void
|
|
MainParseArgs(argc, argv)
|
|
int argc;
|
|
char **argv;
|
|
{
|
|
extern int optind;
|
|
extern char *optarg;
|
|
char c;
|
|
|
|
optind = 1; /* since we're called more than once */
|
|
#ifdef notyet
|
|
# define OPTFLAGS "BD:I:L:PSd:ef:ij:knqrst"
|
|
#else
|
|
# define OPTFLAGS "D:I:d:ef:ij:knqrst"
|
|
#endif
|
|
rearg: while((c = getopt(argc, argv, OPTFLAGS)) != EOF) {
|
|
switch(c) {
|
|
case 'D':
|
|
Var_Set(optarg, "1", VAR_GLOBAL);
|
|
Var_Append(MAKEFLAGS, "-D", VAR_GLOBAL);
|
|
Var_Append(MAKEFLAGS, optarg, VAR_GLOBAL);
|
|
break;
|
|
case 'I':
|
|
Parse_AddIncludeDir(optarg);
|
|
Var_Append(MAKEFLAGS, "-I", VAR_GLOBAL);
|
|
Var_Append(MAKEFLAGS, optarg, VAR_GLOBAL);
|
|
break;
|
|
#ifdef notyet
|
|
case 'B':
|
|
compatMake = TRUE;
|
|
break;
|
|
case 'L':
|
|
maxLocal = atoi(optarg);
|
|
Var_Append(MAKEFLAGS, "-L", VAR_GLOBAL);
|
|
Var_Append(MAKEFLAGS, optarg, VAR_GLOBAL);
|
|
break;
|
|
case 'P':
|
|
usePipes = FALSE;
|
|
Var_Append(MAKEFLAGS, "-P", VAR_GLOBAL);
|
|
break;
|
|
case 'S':
|
|
keepgoing = FALSE;
|
|
Var_Append(MAKEFLAGS, "-S", VAR_GLOBAL);
|
|
break;
|
|
#endif
|
|
case 'd': {
|
|
char *modules = optarg;
|
|
|
|
for (; *modules; ++modules)
|
|
switch (*modules) {
|
|
case 'A':
|
|
debug = ~0;
|
|
break;
|
|
case 'a':
|
|
debug |= DEBUG_ARCH;
|
|
break;
|
|
case 'c':
|
|
debug |= DEBUG_COND;
|
|
break;
|
|
case 'd':
|
|
debug |= DEBUG_DIR;
|
|
break;
|
|
case 'f':
|
|
debug |= DEBUG_FOR;
|
|
break;
|
|
case 'g':
|
|
if (modules[1] == '1') {
|
|
debug |= DEBUG_GRAPH1;
|
|
++modules;
|
|
}
|
|
else if (modules[1] == '2') {
|
|
debug |= DEBUG_GRAPH2;
|
|
++modules;
|
|
}
|
|
break;
|
|
case 'j':
|
|
debug |= DEBUG_JOB;
|
|
break;
|
|
case 'm':
|
|
debug |= DEBUG_MAKE;
|
|
break;
|
|
case 's':
|
|
debug |= DEBUG_SUFF;
|
|
break;
|
|
case 't':
|
|
debug |= DEBUG_TARG;
|
|
break;
|
|
case 'v':
|
|
debug |= DEBUG_VAR;
|
|
break;
|
|
default:
|
|
(void)fprintf(stderr,
|
|
"make: illegal argument to d option -- %c\n",
|
|
*modules);
|
|
usage();
|
|
}
|
|
Var_Append(MAKEFLAGS, "-d", VAR_GLOBAL);
|
|
Var_Append(MAKEFLAGS, optarg, VAR_GLOBAL);
|
|
break;
|
|
}
|
|
case 'e':
|
|
checkEnvFirst = TRUE;
|
|
Var_Append(MAKEFLAGS, "-e", VAR_GLOBAL);
|
|
break;
|
|
case 'f':
|
|
(void)Lst_AtEnd(makefiles, (ClientData)optarg);
|
|
break;
|
|
case 'i':
|
|
ignoreErrors = TRUE;
|
|
Var_Append(MAKEFLAGS, "-i", VAR_GLOBAL);
|
|
break;
|
|
case 'j':
|
|
maxJobs = atoi(optarg);
|
|
Var_Append(MAKEFLAGS, "-j", VAR_GLOBAL);
|
|
Var_Append(MAKEFLAGS, optarg, VAR_GLOBAL);
|
|
break;
|
|
case 'k':
|
|
keepgoing = TRUE;
|
|
Var_Append(MAKEFLAGS, "-k", VAR_GLOBAL);
|
|
break;
|
|
case 'n':
|
|
noExecute = TRUE;
|
|
Var_Append(MAKEFLAGS, "-n", VAR_GLOBAL);
|
|
break;
|
|
case 'q':
|
|
queryFlag = TRUE;
|
|
/* Kind of nonsensical, wot? */
|
|
Var_Append(MAKEFLAGS, "-q", VAR_GLOBAL);
|
|
break;
|
|
case 'r':
|
|
noBuiltins = TRUE;
|
|
Var_Append(MAKEFLAGS, "-r", VAR_GLOBAL);
|
|
break;
|
|
case 's':
|
|
beSilent = TRUE;
|
|
Var_Append(MAKEFLAGS, "-s", VAR_GLOBAL);
|
|
break;
|
|
case 't':
|
|
touchFlag = TRUE;
|
|
Var_Append(MAKEFLAGS, "-t", VAR_GLOBAL);
|
|
break;
|
|
default:
|
|
case '?':
|
|
usage();
|
|
}
|
|
}
|
|
|
|
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 (argv += optind, argc -= optind; *argv; ++argv, --argc)
|
|
if (Parse_IsVar(*argv))
|
|
Parse_DoVar(*argv, VAR_CMD);
|
|
else {
|
|
if (!**argv)
|
|
Punt("illegal (null) argument.");
|
|
if (**argv == '-') {
|
|
if ((*argv)[1])
|
|
optind = 0; /* -flag... */
|
|
else
|
|
optind = 1; /* - */
|
|
goto rearg;
|
|
}
|
|
(void)Lst_AtEnd(create, (ClientData)*argv);
|
|
}
|
|
}
|
|
|
|
/*-
|
|
* Main_ParseArgLine --
|
|
* Used by the parse module when a .MFLAGS or .MAKEFLAGS target
|
|
* is encountered and by main() when reading the .MAKEFLAGS envariable.
|
|
* Takes a line of arguments and breaks it into its
|
|
* component words and passes those words and the number of them to the
|
|
* MainParseArgs function.
|
|
* The line should have all its leading whitespace removed.
|
|
*
|
|
* Results:
|
|
* None
|
|
*
|
|
* Side Effects:
|
|
* Only those that come from the various arguments.
|
|
*/
|
|
void
|
|
Main_ParseArgLine(line)
|
|
char *line; /* Line to fracture */
|
|
{
|
|
char **argv; /* Manufactured argument vector */
|
|
int argc; /* Number of arguments in argv */
|
|
|
|
if (line == NULL)
|
|
return;
|
|
for (; *line == ' '; ++line)
|
|
continue;
|
|
if (!*line)
|
|
return;
|
|
|
|
argv = brk_string(line, &argc);
|
|
MainParseArgs(argc, argv);
|
|
}
|
|
|
|
/*-
|
|
* 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(argc, argv)
|
|
int argc;
|
|
char **argv;
|
|
{
|
|
Lst targs; /* target nodes to create -- passed to Make_Init */
|
|
Boolean outOfDate = TRUE; /* FALSE if all targets up to date */
|
|
struct stat sb, sa;
|
|
char *p, *path, *pwd, *getenv(), *getwd();
|
|
char mdpath[MAXPATHLEN + 1];
|
|
char obpath[MAXPATHLEN + 1];
|
|
char cdpath[MAXPATHLEN + 1];
|
|
|
|
/*
|
|
* Find where we are and take care of PWD for the automounter...
|
|
* All this code is so that we know where we are when we start up
|
|
* on a different machine with pmake.
|
|
*/
|
|
curdir = cdpath;
|
|
if (getwd(curdir) == NULL) {
|
|
(void)fprintf(stderr, "make: %s.\n", curdir);
|
|
exit(2);
|
|
}
|
|
|
|
if (stat(curdir, &sa) == -1) {
|
|
(void)fprintf(stderr, "make: %s: %s.\n",
|
|
curdir, strerror(errno));
|
|
exit(2);
|
|
}
|
|
|
|
if ((pwd = getenv("PWD")) != NULL) {
|
|
if (stat(pwd, &sb) == 0 && sa.st_ino == sb.st_ino &&
|
|
sa.st_dev == sb.st_dev)
|
|
(void) strcpy(curdir, pwd);
|
|
}
|
|
|
|
|
|
/*
|
|
* if the MAKEOBJDIR (or by default, the _PATH_OBJDIR) directory
|
|
* exists, change into it and build there. Once things are
|
|
* initted, have to add the original directory to the search path,
|
|
* and modify the paths for the Makefiles apropriately. The
|
|
* current directory is also placed as a variable for make scripts.
|
|
*/
|
|
if (!(path = getenv("MAKEOBJDIR"))) {
|
|
path = _PATH_OBJDIR;
|
|
(void) sprintf(mdpath, "%s.%s", path, MACHINE);
|
|
}
|
|
else
|
|
(void) strncpy(mdpath, path, MAXPATHLEN + 1);
|
|
|
|
if (stat(mdpath, &sb) == 0 && S_ISDIR(sb.st_mode)) {
|
|
|
|
if (chdir(mdpath)) {
|
|
(void)fprintf(stderr, "make warning: %s: %s.\n",
|
|
mdpath, strerror(errno));
|
|
objdir = curdir;
|
|
}
|
|
else {
|
|
if (mdpath[0] != '/') {
|
|
(void) sprintf(obpath, "%s/%s", curdir, mdpath);
|
|
objdir = obpath;
|
|
}
|
|
else
|
|
objdir = mdpath;
|
|
}
|
|
}
|
|
else {
|
|
if (stat(path, &sb) == 0 && S_ISDIR(sb.st_mode)) {
|
|
|
|
if (chdir(path)) {
|
|
(void)fprintf(stderr, "make warning: %s: %s.\n",
|
|
path, strerror(errno));
|
|
objdir = curdir;
|
|
}
|
|
else {
|
|
if (path[0] != '/') {
|
|
(void) sprintf(obpath, "%s/%s", curdir,
|
|
path);
|
|
objdir = obpath;
|
|
}
|
|
else
|
|
objdir = obpath;
|
|
}
|
|
}
|
|
else
|
|
objdir = curdir;
|
|
}
|
|
|
|
setenv("PWD", objdir, 1);
|
|
|
|
create = Lst_Init(FALSE);
|
|
makefiles = Lst_Init(FALSE);
|
|
beSilent = FALSE; /* Print commands as executed */
|
|
ignoreErrors = FALSE; /* Pay attention to non-zero returns */
|
|
noExecute = FALSE; /* Execute all commands */
|
|
keepgoing = FALSE; /* Stop on error */
|
|
allPrecious = FALSE; /* Remove targets when interrupted */
|
|
queryFlag = FALSE; /* This is not just a check-run */
|
|
noBuiltins = FALSE; /* Read the built-in rules */
|
|
touchFlag = FALSE; /* Actually update targets */
|
|
usePipes = TRUE; /* Catch child output in pipes */
|
|
debug = 0; /* No debug verbosity, please. */
|
|
jobsRunning = FALSE;
|
|
|
|
maxJobs = DEFMAXJOBS; /* Set default max concurrency */
|
|
maxLocal = DEFMAXLOCAL; /* Set default local max concurrency */
|
|
#ifdef notyet
|
|
compatMake = FALSE; /* No compat mode */
|
|
#else
|
|
compatMake = TRUE; /* No compat mode */
|
|
#endif
|
|
|
|
|
|
/*
|
|
* Initialize the parsing, directory and variable modules to prepare
|
|
* for the reading of inclusion paths and variable settings on the
|
|
* command line
|
|
*/
|
|
Dir_Init(); /* Initialize directory structures so -I flags
|
|
* can be processed correctly */
|
|
Parse_Init(); /* Need to initialize the paths of #include
|
|
* directories */
|
|
Var_Init(); /* As well as the lists of variables for
|
|
* parsing arguments */
|
|
if (objdir != curdir)
|
|
Dir_AddDir(dirSearchPath, curdir);
|
|
Var_Set(".CURDIR", curdir, VAR_GLOBAL);
|
|
Var_Set(".OBJDIR", objdir, VAR_GLOBAL);
|
|
|
|
/*
|
|
* 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.
|
|
*/
|
|
Var_Set("MAKE", argv[0], VAR_GLOBAL);
|
|
Var_Set(MAKEFLAGS, "", VAR_GLOBAL);
|
|
Var_Set("MFLAGS", "", VAR_GLOBAL);
|
|
#ifdef MACHINE
|
|
Var_Set("MACHINE", MACHINE, VAR_GLOBAL);
|
|
#endif
|
|
#ifdef MACHINE_ARCH
|
|
Var_Set("MACHINE_ARCH", MACHINE_ARCH, VAR_GLOBAL);
|
|
#endif
|
|
|
|
/*
|
|
* First snag any flags out of the MAKE environment variable.
|
|
* (Note this is *not* MAKEFLAGS since /bin/make uses that and it's
|
|
* in a different format).
|
|
*/
|
|
#ifdef POSIX
|
|
Main_ParseArgLine(getenv("MAKEFLAGS"));
|
|
#else
|
|
Main_ParseArgLine(getenv("MAKE"));
|
|
#endif
|
|
|
|
MainParseArgs(argc, argv);
|
|
|
|
/*
|
|
* Initialize archive, target and suffix modules in preparation for
|
|
* parsing the makefile(s)
|
|
*/
|
|
Arch_Init();
|
|
Targ_Init();
|
|
Suff_Init();
|
|
|
|
DEFAULT = NILGNODE;
|
|
(void)time(&now);
|
|
|
|
/*
|
|
* Set up the .TARGETS variable to contain the list of targets to be
|
|
* created. If none specified, make the variable empty -- the parser
|
|
* will fill the thing in with the default or .MAIN target.
|
|
*/
|
|
if (!Lst_IsEmpty(create)) {
|
|
LstNode ln;
|
|
|
|
for (ln = Lst_First(create); ln != 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(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(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(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);
|
|
}
|