NetBSD/usr.bin/make/main.c

952 lines
23 KiB
C
Raw Normal View History

1993-03-21 12:45:37 +03:00
/*
* 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 1.17 1994/09/30 03:14:21 gwr Exp $";
1993-03-21 12:45:37 +03:00
#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>
1993-03-21 12:45:37 +03:00
#include <sys/param.h>
#include <sys/resource.h>
1993-03-21 12:45:37 +03:00
#include <sys/signal.h>
#include <sys/stat.h>
#include <sys/utsname.h>
1993-03-21 12:45:37 +03:00
#include <errno.h>
#include <fcntl.h>
#include <stdio.h>
#if __STDC__
#include <stdarg.h>
#else
1993-03-21 12:45:37 +03:00
#include <varargs.h>
#endif
1993-03-21 12:45:37 +03:00
#include "make.h"
#include "hash.h"
#include "dir.h"
#include "job.h"
1993-03-21 12:45:37 +03:00
#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 */
1993-03-21 12:45:37 +03:00
static int maxLocal; /* -L argument */
Boolean compatMake; /* -B argument */
1993-03-21 12:45:37 +03:00
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();
1993-03-21 12:45:37 +03:00
static char *curdir; /* startup directory */
static char *objdir; /* where we chdir'ed to */
1993-03-21 12:45:37 +03:00
/*-
* 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) {
1993-03-21 12:45:37 +03:00
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;
1993-03-21 12:45:37 +03:00
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
1993-03-21 12:45:37 +03:00
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;
1993-03-21 12:45:37 +03:00
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);
1993-03-21 12:45:37 +03:00
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; /* - */
1993-03-21 12:45:37 +03:00
goto rearg;
}
(void)Lst_AtEnd(create, (ClientData)strdup(*argv));
1993-03-21 12:45:37 +03:00
}
}
/*-
* 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;
1993-03-21 12:45:37 +03:00
if (!*line)
return;
argv = brk_string(line, &argc, TRUE);
1993-03-21 12:45:37 +03:00
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
1993-03-21 12:45:37 +03:00
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, *p1, *path, *pwd, *getenv(), *getwd();
char mdpath[MAXPATHLEN + 1];
char obpath[MAXPATHLEN + 1];
char cdpath[MAXPATHLEN + 1];
struct utsname utsname;
/*
* 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 (getcwd(curdir, MAXPATHLEN) == NULL) {
(void)fprintf(stderr, "make: %s.\n", strerror(errno));
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);
}
/*
* 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 while MACHINE is decided at run-time,
* MACHINE_ARCH is always known at compile time.
*/
if (uname(&utsname)) {
perror("make: uname");
exit(2);
}
1993-03-21 12:45:37 +03:00
/*
* 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"))) {
1993-03-21 12:45:37 +03:00
path = _PATH_OBJDIR;
(void) sprintf(mdpath, "%s.%s", path, utsname.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;
1993-03-21 12:45:37 +03:00
}
setenv("PWD", objdir, 1);
1993-03-21 12:45:37 +03:00
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
1993-03-21 12:45:37 +03:00
1993-03-21 12:45:37 +03:00
/*
* 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 */
str_init();
if (objdir != curdir)
1993-03-21 12:45:37 +03:00
Dir_AddDir(dirSearchPath, curdir);
Var_Set(".CURDIR", curdir, VAR_GLOBAL);
Var_Set(".OBJDIR", objdir, VAR_GLOBAL);
1993-03-21 12:45:37 +03:00
/*
* 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);
Var_Set("MACHINE", utsname.machine, VAR_GLOBAL);
#ifdef MACHINE_ARCH
1993-12-04 05:12:34 +03:00
Var_Set("MACHINE_ARCH", MACHINE_ARCH, VAR_GLOBAL);
#endif
1993-03-21 12:45:37 +03:00
/*
* 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, &p1), VAR_GLOBAL);
if (p1)
free(p1);
1993-03-21 12:45:37 +03:00
/* Install all the flags into the MAKE envariable. */
if (((p = Var_Value(MAKEFLAGS, VAR_GLOBAL, &p1)) != NULL) && *p)
1993-03-21 12:45:37 +03:00
#ifdef POSIX
setenv("MAKEFLAGS", p, 1);
#else
setenv("MAKE", p, 1);
#endif
if (p1)
free(p1);
1993-03-21 12:45:37 +03:00
/*
* 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);
1993-03-21 12:45:37 +03:00
path = vpath;
do {
/* skip to end of directory */
for (cp = path; *cp != ':' && *cp != '\0'; cp++)
continue;
1993-03-21 12:45:37 +03:00
/* 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) {
1993-03-21 12:45:37 +03:00
/*
* 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);
Lst_Destroy(targs, NOFREE);
Lst_Destroy(makefiles, NOFREE);
Lst_Destroy(create, (void (*) __P((ClientData))) free);
1993-03-21 12:45:37 +03:00
/* print the graph now it's been processed if the user requested it */
if (DEBUG(GRAPH2))
Targ_PrintGraph(2);
Suff_End();
Targ_End();
Arch_End();
str_end();
Var_End();
Parse_End();
Dir_End();
1993-03-21 12:45:37 +03:00
if (queryFlag && outOfDate)
return(1);
1993-03-21 12:45:37 +03:00
else
return(0);
1993-03-21 12:45:37 +03:00
}
/*-
* 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)
1993-03-21 12:45:37 +03:00
goto found;
/* if we've chdir'd, rebuild the path name */
if (curdir != objdir && *fname != '/') {
1993-03-21 12:45:37 +03:00
(void)sprintf(path, "%s/%s", curdir, fname);
if ((stream = fopen(path, "r")) != NULL) {
1993-03-21 12:45:37 +03:00
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
1993-03-21 12:45:37 +03:00
Error(va_alist)
va_dcl
#endif
1993-03-21 12:45:37 +03:00
{
va_list ap;
#if __STDC__
va_start(ap, fmt);
#else
1993-03-21 12:45:37 +03:00
char *fmt;
va_start(ap);
fmt = va_arg(ap, char *);
#endif
1993-03-21 12:45:37 +03:00
(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
1993-03-21 12:45:37 +03:00
Fatal(va_alist)
va_dcl
#endif
1993-03-21 12:45:37 +03:00
{
va_list ap;
#if __STDC__
va_start(ap, fmt);
#else
1993-03-21 12:45:37 +03:00
char *fmt;
va_start(ap);
fmt = va_arg(ap, char *);
#endif
1993-03-21 12:45:37 +03:00
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
1993-03-21 12:45:37 +03:00
Punt(va_alist)
va_dcl
#endif
1993-03-21 12:45:37 +03:00
{
va_list ap;
#if __STDC__
va_start(ap, fmt);
#else
1993-03-21 12:45:37 +03:00
char *fmt;
va_start(ap);
fmt = va_arg(ap, char *);
#endif
(void)fprintf(stderr, "make: ");
1993-03-21 12:45:37 +03:00
(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)
size_t len;
1993-03-21 12:45:37 +03:00
{
char *p;
1993-03-21 12:45:37 +03:00
if ((p = (char *) malloc(len)) == NULL)
1993-03-21 12:45:37 +03:00
enomem();
return(p);
}
/*
* enomem --
* die when out of memory.
*/
void
1993-03-21 12:45:37 +03:00
enomem()
{
(void)fprintf(stderr, "make: %s.\n", strerror(errno));
exit(2);
}
/*
* usage --
* exit with usage message
*/
static void
1993-03-21 12:45:37 +03:00
usage()
{
(void)fprintf(stderr,
"usage: make [-eiknqrst] [-D variable] [-d flags] [-f makefile ]\n\
[-I directory] [-j max_jobs] [variable=value]\n");
exit(2);
}
int
PrintAddr(a, b)
ClientData a;
ClientData b;
{
printf("%lx ", (unsigned long) a);
return b ? 0 : 0;
}