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Diffstat (limited to 'make.h')
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@@ -0,0 +1,518 @@ +/* $NetBSD: make.h,v 1.90 2013/02/25 01:57:14 dholland Exp $ */ + +/* + * Copyright (c) 1988, 1989, 1990, 1993 + * The Regents of the University of California. 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. 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. + * + * from: @(#)make.h 8.3 (Berkeley) 6/13/95 + */ + +/* + * 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. + * + * from: @(#)make.h 8.3 (Berkeley) 6/13/95 + */ + +/*- + * make.h -- + * The global definitions for pmake + */ + +#ifndef _MAKE_H_ +#define _MAKE_H_ + +#ifdef HAVE_CONFIG_H +# include "config.h" +#endif + +#include <sys/types.h> +#include <sys/param.h> + +#include <ctype.h> +#include <stdio.h> +#include <stdlib.h> +#ifdef HAVE_STRING_H +#include <string.h> +#else +#include <strings.h> +#endif +#include <unistd.h> +#include <sys/cdefs.h> + +#if defined(__GNUC__) +#define MAKE_GNUC_PREREQ(x, y) \ + ((__GNUC__ == (x) && __GNUC_MINOR__ >= (y)) || \ + (__GNUC__ > (x))) +#else /* defined(__GNUC__) */ +#define MAKE_GNUC_PREREQ(x, y) 0 +#endif /* defined(__GNUC__) */ + +#if MAKE_GNUC_PREREQ(2, 7) +#define MAKE_ATTR_UNUSED __attribute__((__unused__)) +#else +#define MAKE_ATTR_UNUSED /* delete */ +#endif + +#if MAKE_GNUC_PREREQ(2, 5) +#define MAKE_ATTR_DEAD __attribute__((__noreturn__)) +#elif defined(__GNUC__) +#define MAKE_ATTR_DEAD __volatile +#else +#define MAKE_ATTR_DEAD /* delete */ +#endif + +#if MAKE_GNUC_PREREQ(2, 7) +#define MAKE_ATTR_PRINTFLIKE(fmtarg, firstvararg) \ + __attribute__((__format__ (__printf__, fmtarg, firstvararg))) +#else +#define MAKE_ATTR_PRINTFLIKE(fmtarg, firstvararg) /* delete */ +#endif + +#include "sprite.h" +#include "lst.h" +#include "hash.h" +#include "make-conf.h" +#include "buf.h" +#include "make_malloc.h" + +/* + * some vendors don't have this --sjg + */ +#if defined(S_IFDIR) && !defined(S_ISDIR) +# define S_ISDIR(m) (((m) & S_IFMT) == S_IFDIR) +#endif + +#if defined(sun) && (defined(__svr4__) || defined(__SVR4)) +#define POSIX_SIGNALS +#endif + +/*- + * The structure for an individual graph node. Each node has several + * pieces of data associated with it. + * 1) the name of the target it describes + * 2) the location of the target file in the file system. + * 3) the type of operator used to define its sources (qv. parse.c) + * 4) whether it is involved in this invocation of make + * 5) whether the target has been remade + * 6) whether any of its children has been remade + * 7) the number of its children that are, as yet, unmade + * 8) its modification time + * 9) the modification time of its youngest child (qv. make.c) + * 10) a list of nodes for which this is a source (parents) + * 11) a list of nodes on which this depends (children) + * 12) a list of nodes that depend on this, as gleaned from the + * transformation rules (iParents) + * 13) a list of ancestor nodes, which includes parents, iParents, + * and recursive parents of parents + * 14) a list of nodes of the same name created by the :: operator + * 15) a list of nodes that must be made (if they're made) before + * this node can be, but that do not enter into the datedness of + * this node. + * 16) a list of nodes that must be made (if they're made) before + * this node or any child of this node can be, but that do not + * enter into the datedness of this node. + * 17) a list of nodes that must be made (if they're made) after + * this node is, but that do not depend on this node, in the + * normal sense. + * 18) a Lst of ``local'' variables that are specific to this target + * and this target only (qv. var.c [$@ $< $?, etc.]) + * 19) a Lst of strings that are commands to be given to a shell + * to create this target. + */ +typedef struct GNode { + char *name; /* The target's name */ + char *uname; /* The unexpanded name of a .USE node */ + char *path; /* The full pathname of the file */ + int type; /* Its type (see the OP flags, below) */ + + int flags; +#define REMAKE 0x1 /* this target needs to be (re)made */ +#define CHILDMADE 0x2 /* children of this target were made */ +#define FORCE 0x4 /* children don't exist, and we pretend made */ +#define DONE_WAIT 0x8 /* Set by Make_ProcessWait() */ +#define DONE_ORDER 0x10 /* Build requested by .ORDER processing */ +#define FROM_DEPEND 0x20 /* Node created from .depend */ +#define DONE_ALLSRC 0x40 /* We do it once only */ +#define CYCLE 0x1000 /* Used by MakePrintStatus */ +#define DONECYCLE 0x2000 /* Used by MakePrintStatus */ + enum enum_made { + UNMADE, DEFERRED, REQUESTED, BEINGMADE, + MADE, UPTODATE, ERROR, ABORTED + } made; /* Set to reflect the state of processing + * on this node: + * UNMADE - Not examined yet + * DEFERRED - Examined once (building child) + * REQUESTED - on toBeMade list + * BEINGMADE - Target is already being made. + * Indicates a cycle in the graph. + * MADE - Was out-of-date and has been made + * UPTODATE - Was already up-to-date + * ERROR - An error occurred while it was being + * made (used only in compat mode) + * ABORTED - The target was aborted due to + * an error making an inferior (compat). + */ + int unmade; /* The number of unmade children */ + + time_t mtime; /* Its modification time */ + struct GNode *cmgn; /* The youngest child */ + + Lst iParents; /* Links to parents for which this is an + * implied source, if any */ + Lst cohorts; /* Other nodes for the :: operator */ + Lst parents; /* Nodes that depend on this one */ + Lst children; /* Nodes on which this one depends */ + Lst order_pred; /* .ORDER nodes we need made */ + Lst order_succ; /* .ORDER nodes who need us */ + + char cohort_num[8]; /* #n for this cohort */ + int unmade_cohorts;/* # of unmade instances on the + cohorts list */ + struct GNode *centurion; /* Pointer to the first instance of a :: + node; only set when on a cohorts list */ + unsigned int checked; /* Last time we tried to makle this node */ + + Hash_Table context; /* The local variables */ + Lst commands; /* Creation commands */ + + struct _Suff *suffix; /* Suffix for the node (determined by + * Suff_FindDeps and opaque to everyone + * but the Suff module) */ + const char *fname; /* filename where the GNode got defined */ + int lineno; /* line number where the GNode got defined */ +} GNode; + +/* + * The OP_ constants are used when parsing a dependency line as a way of + * communicating to other parts of the program the way in which a target + * should be made. These constants are bitwise-OR'ed together and + * placed in the 'type' field of each node. Any node that has + * a 'type' field which satisfies the OP_NOP function was never never on + * the lefthand side of an operator, though it may have been on the + * righthand side... + */ +#define OP_DEPENDS 0x00000001 /* Execution of commands depends on + * kids (:) */ +#define OP_FORCE 0x00000002 /* Always execute commands (!) */ +#define OP_DOUBLEDEP 0x00000004 /* Execution of commands depends on kids + * per line (::) */ +#define OP_OPMASK (OP_DEPENDS|OP_FORCE|OP_DOUBLEDEP) + +#define OP_OPTIONAL 0x00000008 /* Don't care if the target doesn't + * exist and can't be created */ +#define OP_USE 0x00000010 /* Use associated commands for parents */ +#define OP_EXEC 0x00000020 /* Target is never out of date, but always + * execute commands anyway. Its time + * doesn't matter, so it has none...sort + * of */ +#define OP_IGNORE 0x00000040 /* Ignore errors when creating the node */ +#define OP_PRECIOUS 0x00000080 /* Don't remove the target when + * interrupted */ +#define OP_SILENT 0x00000100 /* Don't echo commands when executed */ +#define OP_MAKE 0x00000200 /* Target is a recursive make so its + * commands should always be executed when + * it is out of date, regardless of the + * state of the -n or -t flags */ +#define OP_JOIN 0x00000400 /* Target is out-of-date only if any of its + * children was out-of-date */ +#define OP_MADE 0x00000800 /* Assume the children of the node have + * been already made */ +#define OP_SPECIAL 0x00001000 /* Special .BEGIN, .END, .INTERRUPT */ +#define OP_USEBEFORE 0x00002000 /* Like .USE, only prepend commands */ +#define OP_INVISIBLE 0x00004000 /* The node is invisible to its parents. + * I.e. it doesn't show up in the parents's + * local variables. */ +#define OP_NOTMAIN 0x00008000 /* The node is exempt from normal 'main + * target' processing in parse.c */ +#define OP_PHONY 0x00010000 /* Not a file target; run always */ +#define OP_NOPATH 0x00020000 /* Don't search for file in the path */ +#define OP_WAIT 0x00040000 /* .WAIT phony node */ +#define OP_NOMETA 0x00080000 /* .NOMETA do not create a .meta file */ +#define OP_META 0x00100000 /* .META we _do_ want a .meta file */ +#define OP_NOMETA_CMP 0x00200000 /* Do not compare commands in .meta file */ +/* Attributes applied by PMake */ +#define OP_TRANSFORM 0x80000000 /* The node is a transformation rule */ +#define OP_MEMBER 0x40000000 /* Target is a member of an archive */ +#define OP_LIB 0x20000000 /* Target is a library */ +#define OP_ARCHV 0x10000000 /* Target is an archive construct */ +#define OP_HAS_COMMANDS 0x08000000 /* Target has all the commands it should. + * Used when parsing to catch multiple + * commands for a target */ +#define OP_SAVE_CMDS 0x04000000 /* Saving commands on .END (Compat) */ +#define OP_DEPS_FOUND 0x02000000 /* Already processed by Suff_FindDeps */ +#define OP_MARK 0x01000000 /* Node found while expanding .ALLSRC */ + +#define NoExecute(gn) ((gn->type & OP_MAKE) ? noRecursiveExecute : noExecute) +/* + * OP_NOP will return TRUE if the node with the given type was not the + * object of a dependency operator + */ +#define OP_NOP(t) (((t) & OP_OPMASK) == 0x00000000) + +#define OP_NOTARGET (OP_NOTMAIN|OP_USE|OP_EXEC|OP_TRANSFORM) + +/* + * The TARG_ constants are used when calling the Targ_FindNode and + * Targ_FindList functions in targ.c. They simply tell the functions what to + * do if the desired node(s) is (are) not found. If the TARG_CREATE constant + * is given, a new, empty node will be created for the target, placed in the + * table of all targets and its address returned. If TARG_NOCREATE is given, + * a NULL pointer will be returned. + */ +#define TARG_NOCREATE 0x00 /* don't create it */ +#define TARG_CREATE 0x01 /* create node if not found */ +#define TARG_NOHASH 0x02 /* don't look in/add to hash table */ + +/* + * These constants are all used by the Str_Concat function to decide how the + * final string should look. If STR_ADDSPACE is given, a space will be + * placed between the two strings. If STR_ADDSLASH is given, a '/' will + * be used instead of a space. If neither is given, no intervening characters + * will be placed between the two strings in the final output. If the + * STR_DOFREE bit is set, the two input strings will be freed before + * Str_Concat returns. + */ +#define STR_ADDSPACE 0x01 /* add a space when Str_Concat'ing */ +#define STR_ADDSLASH 0x02 /* add a slash when Str_Concat'ing */ + +/* + * Error levels for parsing. PARSE_FATAL means the process cannot continue + * once the makefile has been parsed. PARSE_WARNING means it can. Passed + * as the first argument to Parse_Error. + */ +#define PARSE_WARNING 2 +#define PARSE_FATAL 1 + +/* + * Values returned by Cond_Eval. + */ +#define COND_PARSE 0 /* Parse the next lines */ +#define COND_SKIP 1 /* Skip the next lines */ +#define COND_INVALID 2 /* Not a conditional statement */ + +/* + * Definitions for the "local" variables. Used only for clarity. + */ +#define TARGET "@" /* Target of dependency */ +#define OODATE "?" /* All out-of-date sources */ +#define ALLSRC ">" /* All sources */ +#define IMPSRC "<" /* Source implied by transformation */ +#define PREFIX "*" /* Common prefix */ +#define ARCHIVE "!" /* Archive in "archive(member)" syntax */ +#define MEMBER "%" /* Member in "archive(member)" syntax */ + +#define FTARGET "@F" /* file part of TARGET */ +#define DTARGET "@D" /* directory part of TARGET */ +#define FIMPSRC "<F" /* file part of IMPSRC */ +#define DIMPSRC "<D" /* directory part of IMPSRC */ +#define FPREFIX "*F" /* file part of PREFIX */ +#define DPREFIX "*D" /* directory part of PREFIX */ + +/* + * Global Variables + */ +extern Lst create; /* The list of target names specified on the + * command line. used to resolve #if + * make(...) statements */ +extern Lst dirSearchPath; /* The list of directories to search when + * looking for targets */ + +extern Boolean compatMake; /* True if we are make compatible */ +extern Boolean ignoreErrors; /* True if should ignore all errors */ +extern Boolean beSilent; /* True if should print no commands */ +extern Boolean noExecute; /* True if should execute nothing */ +extern Boolean noRecursiveExecute; /* True if should execute nothing */ +extern Boolean allPrecious; /* True if every target is precious */ +extern Boolean keepgoing; /* True if should continue on unaffected + * portions of the graph when have an error + * in one portion */ +extern Boolean touchFlag; /* TRUE if targets should just be 'touched' + * if out of date. Set by the -t flag */ +extern Boolean queryFlag; /* TRUE if we aren't supposed to really make + * anything, just see if the targets are out- + * of-date */ +extern Boolean doing_depend; /* TRUE if processing .depend */ + +extern Boolean checkEnvFirst; /* TRUE if environment should be searched for + * variables before the global context */ +extern Boolean jobServer; /* a jobServer already exists */ + +extern Boolean parseWarnFatal; /* TRUE if makefile parsing warnings are + * treated as errors */ + +extern Boolean varNoExportEnv; /* TRUE if we should not export variables + * set on the command line to the env. */ + +extern GNode *DEFAULT; /* .DEFAULT rule */ + +extern GNode *VAR_GLOBAL; /* Variables defined in a global context, e.g + * in the Makefile itself */ +extern GNode *VAR_CMD; /* Variables defined on the command line */ +extern GNode *VAR_FOR; /* Iteration variables */ +extern char var_Error[]; /* Value returned by Var_Parse when an error + * is encountered. It actually points to + * an empty string, so naive callers needn't + * worry about it. */ + +extern time_t now; /* The time at the start of this whole + * process */ + +extern Boolean oldVars; /* Do old-style variable substitution */ + +extern Lst sysIncPath; /* The system include path. */ +extern Lst defIncPath; /* The default include path. */ + +extern char curdir[]; /* Startup directory */ +extern char *progname; /* The program name */ +extern char *makeDependfile; /* .depend */ +extern char **savedEnv; /* if we replaced environ this will be non-NULL */ + +/* + * We cannot vfork() in a child of vfork(). + * Most systems do not enforce this but some do. + */ +#define vFork() ((getpid() == myPid) ? vfork() : fork()) +extern pid_t myPid; + +#define MAKEFLAGS ".MAKEFLAGS" +#define MAKEOVERRIDES ".MAKEOVERRIDES" +#define MAKE_JOB_PREFIX ".MAKE.JOB.PREFIX" /* prefix for job target output */ +#define MAKE_EXPORTED ".MAKE.EXPORTED" /* variables we export */ +#define MAKE_MAKEFILES ".MAKE.MAKEFILES" /* all the makefiles we read */ +#define MAKE_LEVEL ".MAKE.LEVEL" /* recursion level */ +#define MAKEFILE_PREFERENCE ".MAKE.MAKEFILE_PREFERENCE" +#define MAKE_DEPENDFILE ".MAKE.DEPENDFILE" /* .depend */ +#define MAKE_MODE ".MAKE.MODE" + +#ifdef NEED_MAKE_LEVEL_SAFE +# define MAKE_LEVEL_SAFE "_MAKE_LEVEL" /* some shells will not pass .MAKE. */ +#endif + +/* + * debug control: + * There is one bit per module. It is up to the module what debug + * information to print. + */ +FILE *debug_file; /* Output written here - default stdout */ +extern int debug; +#define DEBUG_ARCH 0x00001 +#define DEBUG_COND 0x00002 +#define DEBUG_DIR 0x00004 +#define DEBUG_GRAPH1 0x00008 +#define DEBUG_GRAPH2 0x00010 +#define DEBUG_JOB 0x00020 +#define DEBUG_MAKE 0x00040 +#define DEBUG_SUFF 0x00080 +#define DEBUG_TARG 0x00100 +#define DEBUG_VAR 0x00200 +#define DEBUG_FOR 0x00400 +#define DEBUG_SHELL 0x00800 +#define DEBUG_ERROR 0x01000 +#define DEBUG_LOUD 0x02000 +#define DEBUG_META 0x04000 + +#define DEBUG_GRAPH3 0x10000 +#define DEBUG_SCRIPT 0x20000 +#define DEBUG_PARSE 0x40000 +#define DEBUG_CWD 0x80000 + +#define CONCAT(a,b) a##b + +#define DEBUG(module) (debug & CONCAT(DEBUG_,module)) + +#include "nonints.h" + +int Make_TimeStamp(GNode *, GNode *); +Boolean Make_OODate(GNode *); +void Make_ExpandUse(Lst); +time_t Make_Recheck(GNode *); +void Make_HandleUse(GNode *, GNode *); +void Make_Update(GNode *); +void Make_DoAllVar(GNode *); +Boolean Make_Run(Lst); +char * Check_Cwd_Cmd(const char *); +void Check_Cwd(const char **); +void PrintOnError(GNode *, const char *); +void Main_ExportMAKEFLAGS(Boolean); +Boolean Main_SetObjdir(const char *); +int mkTempFile(const char *, char **); +int str2Lst_Append(Lst, char *, const char *); + +#ifdef __GNUC__ +#define UNCONST(ptr) ({ \ + union __unconst { \ + const void *__cp; \ + void *__p; \ + } __d; \ + __d.__cp = ptr, __d.__p; }) +#else +#define UNCONST(ptr) (void *)(ptr) +#endif + +#ifndef MIN +#define MIN(a, b) ((a < b) ? a : b) +#endif +#ifndef MAX +#define MAX(a, b) ((a > b) ? a : b) +#endif + +#endif /* _MAKE_H_ */ |