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source: trunk/src/kmk/kbuild.c@ 1303

Last change on this file since 1303 was 1298, checked in by bird, 18 years ago
better check for the kmk shell. don't freak out and use the shell on double-quote (probably a bug).
Property svn:eol-style set to `native` Property svn:keywords set to `Id`
File size: 68.2 KB

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1	/* $Id: kbuild.c 1298 2007-12-01 20:11:25Z bird $ */
2	/** @file
3	*
4	* kBuild specific make functionality.
5	*
6	* Copyright (c) 2006-2007 knut st. osmundsen <bird-kBuild-spam@anduin.net>
7	*
8	*
9	* This file is part of kBuild.
10	*
11	* kBuild is free software; you can redistribute it and/or modify
12	* it under the terms of the GNU General Public License as published by
13	* the Free Software Foundation; either version 2 of the License, or
14	* (at your option) any later version.
15	*
16	* kBuild is distributed in the hope that it will be useful,
17	* but WITHOUT ANY WARRANTY; without even the implied warranty of
18	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19	* GNU General Public License for more details.
20	*
21	* You should have received a copy of the GNU General Public License
22	* along with kBuild; if not, write to the Free Software
23	* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
24	*
25	*/
26
27	/* No GNU coding style here! */
28
29
30	/*******************************************************************************
31	* Header Files *
32	*******************************************************************************/
33	#include "make.h"
34	#include "filedef.h"
35	#include "variable.h"
36	#include "dep.h"
37	#include "debug.h"
38	#ifdef WINDOWS32
39	# include "pathstuff.h"
40	# include <Windows.h>
41	#endif
42
43	#include "kbuild.h"
44
45	#include <assert.h>
46	#include <stdarg.h>
47	#ifndef va_copy
48	# define va_copy(dst, src) do {(dst) = (src);} while (0)
49	#endif
50
51
52	/*******************************************************************************
53	* Internal Functions *
54	*******************************************************************************/
55	/* function.c */
56	char * abspath(const char name, char apath);
57
58	/*******************************************************************************
59	* Global Variables *
60	*******************************************************************************/
61	/** The argv[0] passed to main. */
62	static const char *g_pszExeName;
63	/** The initial working directory. */
64	static char *g_pszInitialCwd;
65
66
67	/**
68	* Initialize kBuild stuff.
69	*
70	* @param argc Number of arguments to main().
71	* @param argv The main() argument vector.
72	*/
73	void init_kbuild(int argc, char **argv)
74	{
75	int rc;
76	PATH_VAR(szTmp);
77
78	/*
79	* Get the initial cwd for use in my_abspath.
80	*/
81	#ifdef WINDOWS32
82	if (getcwd_fs(szTmp, GET_PATH_MAX) != 0)
83	#else
84	if (getcwd(szTmp, GET_PATH_MAX) != 0)
85	#endif
86	g_pszInitialCwd = xstrdup(szTmp);
87	else
88	fatal(NILF, _("getcwd failed"));
89
90	/*
91	* Determin the executable name.
92	*/
93	rc = -1;
94	#if defined(__APPLE__)
95	{
96	const char *pszImageName = _dyld_get_image_name(0);
97	if (pszImageName)
98	{
99	size_t cchImageName = strlen(pszImageName);
100	if (cchImageName < GET_PATH_MAX)
101	{
102	memcpy(szTmp, pszImageName, cchImageName + 1);
103	rc = 0;
104	}
105	}
106	}
107
108	#elif defined(__FreeBSD__)
109	rc = readlink("/proc/curproc/file", szTmp, GET_PATH_MAX - 1);
110	if (rc < 0 \|\| rc == GET_PATH_MAX - 1)
111	rc = -1;
112	else
113	szTmp[rc] = '\0';
114
115	#elif defined(__gnu_linux__) /** @todo find proper define... */
116	rc = readlink("/proc/self/exe", szTmp, GET_PATH_MAX - 1);
117	if (rc < 0 \|\| rc == GET_PATH_MAX - 1)
118	rc = -1;
119	else
120	szTmp[rc] = '\0';
121
122	#elif defined(__OS2__)
123	_execname(szTmp, GET_PATH_MAX);
124	rc = 0;
125
126	#elif defined(__sun__)
127	{
128	char szTmp2[64];
129	snprintf(szTmp2, sizeof(szTmp2), "/proc/%d/path/a.out", getpid());
130	rc = readlink(szTmp2, szTmp, GET_PATH_MAX - 1);
131	if (rc < 0 \|\| rc == GET_PATH_MAX - 1)
132	rc = -1;
133	else
134	szTmp[rc] = '\0';
135	}
136
137	#elif defined(WINDOWS32)
138	if (GetModuleFileName(GetModuleHandle(NULL), szTmp, GET_PATH_MAX))
139	rc = 0;
140
141	#endif
142
143	#if !defined(__OS2__) && !defined(WINDOWS32)
144	/* fallback, try use the path to locate the binary. */
145	if ( rc < 0
146	&& access(argv[0], X_OK))
147	{
148	size_t cchArgv0 = strlen(argv[0]);
149	const char *pszPath = getenv("PATH");
150	char *pszCopy = xstrdup(pszPath ? pszPath : ".");
151	char *psz = pszCopy;
152	while (*psz)
153	{
154	size_t cch;
155	char *pszEnd = strchr(psz, PATH_SEPARATOR_CHAR);
156	if (!pszEnd)
157	pszEnd = strchr(psz, '\0');
158	cch = pszEnd - psz;
159	if (cch + cchArgv0 + 2 <= GET_PATH_MAX)
160	{
161	memcpy(szTmp, psz, cch);
162	szTmp[cch] = '/';
163	memcpy(&szTmp[cch + 1], argv[0], cchArgv0 + 1);
164	if (!access(szTmp, X_OK))
165	{
166	rc = 0;
167	break;
168	}
169	}
170
171	/* next */
172	psz = pszEnd;
173	while (*psz == PATH_SEPARATOR_CHAR)
174	psz++;
175	}
176	free(pszCopy);
177	}
178	#endif
179
180	if (rc < 0)
181	g_pszExeName = argv[0];
182	else
183	g_pszExeName = xstrdup(szTmp);
184	}
185
186
187	/**
188	* Wrapper that ensures correct starting_directory.
189	*/
190	static char my_abspath(const char pszIn, char *pszOut)
191	{
192	char pszSaved, pszRet;
193
194	pszSaved = starting_directory;
195	starting_directory = g_pszInitialCwd;
196	pszRet = abspath(pszIn, pszOut);
197	starting_directory = pszSaved;
198
199	return pszRet;
200	}
201
202
203	/**
204	* Determin the PATH_KBUILD value.
205	*
206	* @returns Pointer to static a buffer containing the value (consider it read-only).
207	*/
208	const char *get_path_kbuild(void)
209	{
210	static const char *s_pszPath = NULL;
211	if (!s_pszPath)
212	{
213	PATH_VAR(szTmpPath);
214	const char *pszEnvVar = getenv("PATH_KBUILD");
215	if ( !pszEnvVar
216	\|\| !my_abspath(pszEnvVar, szTmpPath))
217	{
218	#ifdef PATH_KBUILD
219	return s_pszPath = PATH_KBUILD;
220	#else
221	/* $(abspath $(PATH_KBUILD_BIN)/../..)*/
222	size_t cch = strlen(get_path_kbuild_bin());
223	char *pszTmp2 = alloca(cch + sizeof("/../.."));
224	strcat(strcpy(pszTmp2, get_path_kbuild_bin()), "/../..");
225	if (!my_abspath(pszTmp2, szTmpPath))
226	fatal(NILF, _("failed to determin PATH_KBUILD"));
227	#endif
228	}
229	s_pszPath = xstrdup(szTmpPath);
230	}
231	return s_pszPath;
232	}
233
234
235	/**
236	* Determin the PATH_KBUILD_BIN value.
237	*
238	* @returns Pointer to static a buffer containing the value (consider it read-only).
239	*/
240	const char *get_path_kbuild_bin(void)
241	{
242	static const char *s_pszPath = NULL;
243	if (!s_pszPath)
244	{
245	PATH_VAR(szTmpPath);
246	const char *pszEnvVar = getenv("PATH_KBUILD_BIN");
247	if ( !pszEnvVar
248	\|\| !my_abspath(pszEnvVar, szTmpPath))
249	{
250	#ifdef PATH_KBUILD
251	return s_pszPath = PATH_KBUILD_BIN;
252	#else
253	/* $(abspath $(dir $(ARGV0)).) */
254	size_t cch = strlen(g_pszExeName);
255	char *pszTmp2 = alloca(cch + sizeof("."));
256	char *pszSep = pszTmp2 + cch - 1;
257	memcpy(pszTmp2, g_pszExeName, cch);
258	#ifdef HAVE_DOS_PATHS
259	while (pszSep >= pszTmp2 && pszSep != '/' && pszSep != '\\' && *pszSep != ':')
260	#else
261	while (pszSep >= pszTmp2 && *pszSep != '/')
262	#endif
263	pszSep--;
264	if (pszSep >= pszTmp2)
265	strcpy(pszSep + 1, ".");
266	else
267	strcpy(pszTmp2, ".");
268
269	if (!my_abspath(pszTmp2, szTmpPath))
270	fatal(NILF, _("failed to determin PATH_KBUILD_BIN (pszTmp2=%s szTmpPath=%s)"), pszTmp2, szTmpPath);
271	#endif
272	}
273	s_pszPath = xstrdup(szTmpPath);
274	}
275	return s_pszPath;
276	}
277
278
279	/**
280	* Determin the location of default kBuild shell.
281	*
282	* @returns Pointer to static a buffer containing the location (consider it read-only).
283	*/
284	const char *get_default_kbuild_shell(void)
285	{
286	static char *s_pszDefaultShell = NULL;
287	if (!s_pszDefaultShell)
288	{
289	#if defined(__OS2__) \|\| defined(_WIN32) \|\| defined(WINDOWS32)
290	static const char s_szShellName[] = "/kmk_ash.exe";
291	#else
292	static const char s_szShellName[] = "/kmk_ash";
293	#endif
294	const char *pszBin = get_path_kbuild_bin();
295	size_t cchBin = strlen(pszBin);
296	s_pszDefaultShell = xmalloc(cchBin + sizeof(s_szShellName));
297	memcpy(s_pszDefaultShell, pszBin, cchBin);
298	memcpy(&s_pszDefaultShell[cchBin], s_szShellName, sizeof(s_szShellName));
299	}
300	return s_pszDefaultShell;
301	}
302
303	#ifdef KMK_HELPERS
304
305	/**
306	* Applies the specified default path to any relative paths in *ppsz.
307	*
308	* @param pDefPath The default path.
309	* @param ppsz Pointer to the string pointer. If we expand anything, *ppsz
310	* will be replaced and the caller is responsible for calling free() on it.
311	* @param pcch IN: *pcch contains the current string length.
312	* OUT: *pcch contains the new string length.
313	* @param pcchAlloc *pcchAlloc contains the length allocated for the string. Can be NULL.
314	* @param fCanFree Whether *ppsz should be freed when we replace it.
315	*/
316	static void
317	kbuild_apply_defpath(struct variable pDefPath, char ppsz, int pcch, int *pcchAlloc, int fCanFree)
318	{
319	const char *pszIterator;
320	const char *pszInCur;
321	unsigned int cchInCur;
322	unsigned int cRelativePaths;
323
324	/*
325	* The first pass, count the relative paths.
326	*/
327	cRelativePaths = 0;
328	pszIterator = *ppsz;
329	while ((pszInCur = find_next_token(&pszIterator, &cchInCur)))
330	{
331	/* is relative? */
332	#ifdef HAVE_DOS_PATHS
333	if (pszInCur[0] != '/' && pszInCur[0] != '\\' && (cchInCur < 2 \|\| pszInCur[1] != ':'))
334	#else
335	if (pszInCur[0] != '/')
336	#endif
337	cRelativePaths++;
338	}
339
340	/*
341	* The second pass construct the new string.
342	*/
343	if (cRelativePaths)
344	{
345	const size_t cchOut = pcch + cRelativePaths (pDefPath->value_length + 1) + 1;
346	char *pszOut = xmalloc(cchOut);
347	char *pszOutCur = pszOut;
348	const char pszInNextCopy = ppsz;
349
350	cRelativePaths = 0;
351	pszIterator = *ppsz;
352	while ((pszInCur = find_next_token(&pszIterator, &cchInCur)))
353	{
354	/* is relative? */
355	#ifdef HAVE_DOS_PATHS
356	if (pszInCur[0] != '/' && pszInCur[0] != '\\' && (cchInCur < 2 \|\| pszInCur[1] != ':'))
357	#else
358	if (pszInCur[0] != '/')
359	#endif
360	{
361	PATH_VAR(szAbsPathIn);
362	PATH_VAR(szAbsPathOut);
363
364	if (pDefPath->value_length + cchInCur + 1 >= GET_PATH_MAX)
365	continue;
366
367	/* Create the abspath input. */
368	memcpy(szAbsPathIn, pDefPath->value, pDefPath->value_length);
369	szAbsPathIn[pDefPath->value_length] = '/';
370	memcpy(&szAbsPathIn[pDefPath->value_length + 1], pszInCur, cchInCur);
371	szAbsPathIn[pDefPath->value_length + 1 + cchInCur] = '\0';
372
373	if (abspath(szAbsPathIn, szAbsPathOut) != NULL)
374	{
375	const size_t cchAbsPathOut = strlen(szAbsPathOut);
376	assert(cchAbsPathOut <= pDefPath->value_length + 1 + cchInCur);
377
378	/* copy leading input */
379	if (pszInCur != pszInNextCopy)
380	{
381	const size_t cchCopy = pszInCur - pszInNextCopy;
382	memcpy(pszOutCur, pszInNextCopy, cchCopy);
383	pszOutCur += cchCopy;
384	}
385	pszInNextCopy = pszInCur + cchInCur;
386
387	/* copy out the abspath. */
388	memcpy(pszOutCur, szAbsPathOut, cchAbsPathOut);
389	pszOutCur += cchAbsPathOut;
390	}
391	}
392	}
393	/* the final copy (includes the nil). */
394	cchInCur = ppsz + pcch - pszInNextCopy;
395	memcpy(pszOutCur, pszInNextCopy, cchInCur);
396	pszOutCur += cchInCur;
397	*pszOutCur = '\0';
398	assert((size_t)(pszOutCur - pszOut) < cchOut);
399
400	/* set return values */
401	if (fCanFree)
402	free(*ppsz);
403	*ppsz = pszOut;
404	*pcch = pszOutCur - pszOut;
405	if (pcchAlloc)
406	*pcchAlloc = cchOut;
407	}
408	}
409
410
411	/**
412	* Gets a variable that must exist.
413	* Will cause a fatal failure if the variable doesn't exist.
414	*
415	* @returns Pointer to the variable.
416	* @param pszName The variable name.
417	*/
418	static struct variable *
419	kbuild_get_variable(const char *pszName)
420	{
421	#ifndef NDEBUG
422	unsigned i;
423	#endif
424	struct variable *pVar = lookup_variable(pszName, strlen(pszName));
425	if (!pVar)
426	fatal(NILF, _("variable `%s' isn't defined!"), pszName);
427	if (pVar->recursive)
428	fatal(NILF, _("variable `%s' is defined as `recursive' instead of `simple'!"), pszName);
429	#ifndef NDEBUG
430	i = strlen(pVar->value);
431	if (i != pVar->value_length)
432	{
433	printf("%d != %d %s\n", pVar->value_length, i, pVar->name);
434	# ifdef _MSC_VER
435	__debugbreak();
436	# endif
437	assert(0);
438	}
439	#endif
440	return pVar;
441	}
442
443
444	/**
445	* Gets a variable that must exist and can be recursive.
446	* Will cause a fatal failure if the variable doesn't exist.
447	*
448	* @returns Pointer to the variable.
449	* @param pszName The variable name.
450	*/
451	static struct variable *
452	kbuild_get_recursive_variable(const char *pszName)
453	{
454	#ifndef NDEBUG
455	unsigned i;
456	#endif
457	struct variable *pVar = lookup_variable(pszName, strlen(pszName));
458	if (!pVar)
459	fatal(NILF, _("variable `%s' isn't defined!"), pszName);
460	#ifndef NDEBUG
461	i = strlen(pVar->value);
462	if (i != pVar->value_length)
463	{
464	printf("%d != %d %s\n", pVar->value_length, i, pVar->name);
465	# ifdef _MSC_VER
466	__debugbreak();
467	# endif
468	assert(0);
469	}
470	#endif
471	return pVar;
472	}
473
474
475	/**
476	* Gets a variable that doesn't have to exit, but if it does can be recursive.
477	*
478	* @returns Pointer to the variable.
479	* NULL if not found.
480	* @param pszName The variable name.
481	*/
482	static struct variable *
483	kbuild_query_recursive_variable(const char *pszName)
484	{
485	#ifndef NDEBUG
486	unsigned i;
487	#endif
488	struct variable *pVar = lookup_variable(pszName, strlen(pszName));
489	if (pVar)
490	{
491	#ifndef NDEBUG
492	i = strlen(pVar->value);
493	if (i != pVar->value_length)
494	{
495	printf("%d != %d %s\n", pVar->value_length, i, pVar->name);
496	# ifdef _MSC_VER
497	__debugbreak();
498	# endif
499	assert(0);
500	}
501	#endif
502	}
503	return pVar;
504	}
505
506
507	/**
508	* Converts the specified variable into a 'simple' one.
509	* @returns pVar.
510	* @param pVar The variable.
511	*/
512	static struct variable *
513	kbuild_simplify_variable(struct variable *pVar)
514	{
515	if (memchr(pVar->value, '$', pVar->value_length))
516	{
517	char *pszExpanded = allocated_variable_expand(pVar->value);
518	free(pVar->value);
519	pVar->value = pszExpanded;
520	pVar->value_length = strlen(pVar->value);
521	pVar->value_alloc_len = pVar->value_length + 1;
522	}
523	pVar->recursive = 0;
524	return pVar;
525	}
526
527
528	/**
529	* Looks up a variable.
530	* The value_length field is valid upon successful return.
531	*
532	* @returns Pointer to the variable. NULL if not found.
533	* @param pszName The variable name.
534	*/
535	static struct variable *
536	kbuild_lookup_variable(const char *pszName)
537	{
538	struct variable *pVar = lookup_variable(pszName, strlen(pszName));
539	if (pVar)
540	{
541	#ifndef NDEBUG
542	unsigned i = strlen(pVar->value);
543	if (i != pVar->value_length)
544	{
545	printf("%d != %d %s\n", pVar->value_length, i, pVar->name);
546	# ifdef _MSC_VER
547	__debugbreak();
548	# endif
549	assert(0);
550	}
551	#endif
552	/* Make sure the variable is simple, convert it if necessary. */
553	if (pVar->recursive)
554	kbuild_simplify_variable(pVar);
555	}
556	return pVar;
557	}
558
559
560	/**
561	* Looks up a variable and applies default a path to all relative paths.
562	* The value_length field is valid upon successful return.
563	*
564	* @returns Pointer to the variable. NULL if not found.
565	* @param pDefPath The default path.
566	* @param pszName The variable name.
567	*/
568	static struct variable *
569	kbuild_lookup_variable_defpath(struct variable pDefPath, const char pszName)
570	{
571	struct variable *pVar = kbuild_lookup_variable(pszName);
572	if (pVar && pDefPath)
573	kbuild_apply_defpath(pDefPath, &pVar->value, &pVar->value_length, &pVar->value_alloc_len, 1);
574	return pVar;
575	}
576
577
578	/** Same as kbuild_lookup_variable except that a '%s' in the name string
579	* will be substituted with the values of the variables in the va list. */
580	static struct variable *
581	kbuild_lookup_variable_fmt_va(struct variable pDefPath, const char pszNameFmt, va_list va)
582	{
583	va_list va2;
584	size_t cchName;
585	const char *pszFmt;
586	char *pszName;
587	char *psz;
588
589	/* first pass, calc value name size and allocate stack buffer. */
590	va_copy(va2, va);
591
592	cchName = strlen(pszNameFmt) + 1;
593	pszFmt = strchr(pszNameFmt, '%');
594	while (pszFmt)
595	{
596	struct variable pVar = va_arg(va, struct variable );
597	if (pVar)
598	cchName += pVar->value_length;
599	pszFmt = strchr(pszFmt + 1, '%');
600	}
601	pszName = alloca(cchName);
602
603	/* second pass format it. */
604	pszFmt = pszNameFmt;
605	psz = pszName;
606	for (;;)
607	{
608	char ch = *pszFmt++;
609	if (ch != '%')
610	{
611	*psz++ = ch;
612	if (!ch)
613	break;
614	}
615	else
616	{
617	struct variable pVar = va_arg(va2, struct variable );
618	if (pVar)
619	{
620	memcpy(psz, pVar->value, pVar->value_length);
621	psz += pVar->value_length;
622	}
623	}
624	}
625	va_end(va2);
626
627	if (pDefPath)
628	return kbuild_lookup_variable_defpath(pDefPath, pszName);
629	return kbuild_lookup_variable(pszName);
630	}
631
632
633	/** Same as kbuild_lookup_variable except that a '%s' in the name string
634	* will be substituted with the values of the variables in the ellipsis. */
635	static struct variable *
636	kbuild_lookup_variable_fmt(struct variable pDefPath, const char pszNameFmt, ...)
637	{
638	struct variable *pVar;
639	va_list va;
640	va_start(va, pszNameFmt);
641	pVar = kbuild_lookup_variable_fmt_va(pDefPath, pszNameFmt, va);
642	va_end(va);
643	return pVar;
644	}
645
646
647	/**
648	* Gets the first defined property variable.
649	*/
650	static struct variable *
651	kbuild_first_prop(struct variable pTarget, struct variable pSource,
652	struct variable pTool, struct variable pType,
653	struct variable pBldTrg, struct variable pBldTrgArch,
654	const char pszPropF1, const char pszPropF2, const char *pszVarName)
655	{
656	struct variable *pVar;
657	struct variable PropF1, PropF2;
658
659	PropF1.value = (char *)pszPropF1;
660	PropF1.value_length = strlen(pszPropF1);
661
662	PropF2.value = (char *)pszPropF2;
663	PropF2.value_length = strlen(pszPropF2);
664
665	if ( (pVar = kbuild_lookup_variable_fmt(NULL, "%_%_%%.%.%",pTarget, pSource, pType, &PropF2, pBldTrg, pBldTrgArch))
666	\|\| (pVar = kbuild_lookup_variable_fmt(NULL, "%_%_%%.%", pTarget, pSource, pType, &PropF2, pBldTrg))
667	\|\| (pVar = kbuild_lookup_variable_fmt(NULL, "%_%_%%", pTarget, pSource, pType, &PropF2))
668	\|\| (pVar = kbuild_lookup_variable_fmt(NULL, "%_%_%.%.%", pTarget, pSource, &PropF2, pBldTrg, pBldTrgArch))
669	\|\| (pVar = kbuild_lookup_variable_fmt(NULL, "%_%_%.%", pTarget, pSource, &PropF2, pBldTrg))
670	\|\| (pVar = kbuild_lookup_variable_fmt(NULL, "%_%_%", pTarget, pSource, &PropF2))
671	\|\| (pVar = kbuild_lookup_variable_fmt(NULL, "%_%%.%.%", pSource, pType, &PropF2, pBldTrg, pBldTrgArch))
672	\|\| (pVar = kbuild_lookup_variable_fmt(NULL, "%_%%.%", pSource, pType, &PropF2, pBldTrg))
673	\|\| (pVar = kbuild_lookup_variable_fmt(NULL, "%_%%", pSource, pType, &PropF2))
674	\|\| (pVar = kbuild_lookup_variable_fmt(NULL, "%_%.%.%", pSource, &PropF2, pBldTrg, pBldTrgArch))
675	\|\| (pVar = kbuild_lookup_variable_fmt(NULL, "%_%.%", pSource, &PropF2, pBldTrg))
676	\|\| (pVar = kbuild_lookup_variable_fmt(NULL, "%_%", pSource, &PropF2))
677	\|\| (pVar = kbuild_lookup_variable_fmt(NULL, "%_%%.%.%", pTarget, pType, &PropF2, pBldTrg, pBldTrgArch))
678	\|\| (pVar = kbuild_lookup_variable_fmt(NULL, "%_%%.%", pTarget, pType, &PropF2, pBldTrg))
679	\|\| (pVar = kbuild_lookup_variable_fmt(NULL, "%_%%", pTarget, pType, &PropF2))
680	\|\| (pVar = kbuild_lookup_variable_fmt(NULL, "%_%.%.%", pTarget, &PropF2, pBldTrg, pBldTrgArch))
681	\|\| (pVar = kbuild_lookup_variable_fmt(NULL, "%_%.%", pTarget, &PropF2, pBldTrg))
682	\|\| (pVar = kbuild_lookup_variable_fmt(NULL, "%_%", pTarget, &PropF2))
683
684	\|\| (pTool && (pVar = kbuild_lookup_variable_fmt(NULL, "TOOL_%_%%.%.%", pTool, pType, &PropF2, pBldTrg, pBldTrgArch)))
685	\|\| (pTool && (pVar = kbuild_lookup_variable_fmt(NULL, "TOOL_%_%%.%", pTool, pType, &PropF2, pBldTrg)))
686	\|\| (pTool && (pVar = kbuild_lookup_variable_fmt(NULL, "TOOL_%_%%", pTool, pType, &PropF2)))
687	\|\| (pTool && (pVar = kbuild_lookup_variable_fmt(NULL, "TOOL_%_%.%.%", pTool, &PropF2, pBldTrg, pBldTrgArch)))
688	\|\| (pTool && (pVar = kbuild_lookup_variable_fmt(NULL, "TOOL_%_%.%", pTool, &PropF2, pBldTrg)))
689	\|\| (pTool && (pVar = kbuild_lookup_variable_fmt(NULL, "TOOL_%_%", pTool, &PropF2)))
690
691	\|\| (pVar = kbuild_lookup_variable_fmt(NULL, "%%.%.%", pType, &PropF1, pBldTrg, pBldTrgArch))
692	\|\| (pVar = kbuild_lookup_variable_fmt(NULL, "%%.%", pType, &PropF1, pBldTrg))
693	\|\| (pVar = kbuild_lookup_variable_fmt(NULL, "%%", pType, &PropF1))
694	\|\| (pVar = kbuild_lookup_variable_fmt(NULL, "%.%.%", &PropF1, pBldTrg, pBldTrgArch))
695	\|\| (pVar = kbuild_lookup_variable_fmt(NULL, "%.%", &PropF1, pBldTrg))
696	\|\| (pVar = kbuild_lookup_variable(pszPropF1))
697	)
698	{
699	/* strip it */
700	char *psz = pVar->value;
701	char *pszEnd = psz + pVar->value_length;
702	while (isblank((unsigned char)*psz))
703	psz++;
704	while (pszEnd > psz && isblank((unsigned char)pszEnd[-1]))
705	pszEnd--;
706	if (pszEnd > psz)
707	{
708	char chSaved = *pszEnd;
709	*pszEnd = '\0';
710	pVar = define_variable_vl(pszVarName, strlen(pszVarName), psz, pszEnd - psz,
711	1 /* duplicate /, o_file, 0 / !recursive */);
712	*pszEnd = chSaved;
713	if (pVar)
714	return pVar;
715	}
716	}
717	return NULL;
718	}
719
720
721	/*
722	_SOURCE_TOOL = $(strip $(firstword \
723	$($(target)_$(source)_$(type)TOOL.$(bld_trg).$(bld_trg_arch)) \
724	$($(target)_$(source)_$(type)TOOL.$(bld_trg)) \
725	$($(target)_$(source)_$(type)TOOL) \
726	$($(target)_$(source)_TOOL.$(bld_trg).$(bld_trg_arch)) \
727	$($(target)_$(source)_TOOL.$(bld_trg)) \
728	$($(target)_$(source)_TOOL) \
729	$($(source)_$(type)TOOL.$(bld_trg).$(bld_trg_arch)) \
730	$($(source)_$(type)TOOL.$(bld_trg)) \
731	$($(source)_$(type)TOOL) \
732	$($(source)_TOOL.$(bld_trg).$(bld_trg_arch)) \
733	$($(source)_TOOL.$(bld_trg)) \
734	$($(source)_TOOL) \
735	$($(target)_$(type)TOOL.$(bld_trg).$(bld_trg_arch)) \
736	$($(target)_$(type)TOOL.$(bld_trg)) \
737	$($(target)_$(type)TOOL) \
738	$($(target)_TOOL.$(bld_trg).$(bld_trg_arch)) \
739	$($(target)_TOOL.$(bld_trg)) \
740	$($(target)_TOOL) \
741	$($(type)TOOL.$(bld_trg).$(bld_trg_arch)) \
742	$($(type)TOOL.$(bld_trg)) \
743	$($(type)TOOL) \
744	$(TOOL.$(bld_trg).$(bld_trg_arch)) \
745	$(TOOL.$(bld_trg)) \
746	$(TOOL) ))
747	*/
748	static struct variable *
749	kbuild_get_source_tool(struct variable pTarget, struct variable pSource, struct variable *pType,
750	struct variable pBldTrg, struct variable pBldTrgArch, const char *pszVarName)
751	{
752	struct variable *pVar = kbuild_first_prop(pTarget, pSource, NULL, pType, pBldTrg, pBldTrgArch,
753	"TOOL", "TOOL", pszVarName);
754	if (!pVar)
755	fatal(NILF, _("no tool for source `%s' in target `%s'!"), pSource->value, pTarget->value);
756	return pVar;
757	}
758
759
760	/* Implements _SOURCE_TOOL. */
761	char *
762	func_kbuild_source_tool(char o, char argv, const char pszFuncName)
763	{
764	struct variable *pVar = kbuild_get_source_tool(kbuild_get_variable("target"),
765	kbuild_get_variable("source"),
766	kbuild_get_variable("type"),
767	kbuild_get_variable("bld_trg"),
768	kbuild_get_variable("bld_trg_arch"),
769	argv[0]);
770	if (pVar)
771	o = variable_buffer_output(o, pVar->value, pVar->value_length);
772	return o;
773
774	}
775
776
777	/* This has been extended a bit, it's now identical to _SOURCE_TOOL.
778	$(firstword \
779	$($(target)_$(source)_OBJSUFF.$(bld_trg).$(bld_trg_arch))\
780	$($(target)_$(source)_OBJSUFF.$(bld_trg))\
781	$($(target)_$(source)_OBJSUFF)\
782	$($(source)_OBJSUFF.$(bld_trg).$(bld_trg_arch))\
783	$($(source)_OBJSUFF.$(bld_trg))\
784	$($(source)_OBJSUFF)\
785	$($(target)_OBJSUFF.$(bld_trg).$(bld_trg_arch))\
786	$($(target)_OBJSUFF.$(bld_trg))\
787	$($(target)_OBJSUFF)\
788	$(TOOL_$(tool)_$(type)OBJSUFF.$(bld_trg).$(bld_trg_arch))\
789	$(TOOL_$(tool)_$(type)OBJSUFF.$(bld_trg))\
790	$(TOOL_$(tool)_$(type)OBJSUFF)\
791	$(SUFF_OBJ))
792	*/
793	static struct variable *
794	kbuild_get_object_suffix(struct variable pTarget, struct variable pSource,
795	struct variable pTool, struct variable pType,
796	struct variable pBldTrg, struct variable pBldTrgArch, const char *pszVarName)
797	{
798	struct variable *pVar = kbuild_first_prop(pTarget, pSource, pTool, pType, pBldTrg, pBldTrgArch,
799	"SUFF_OBJ", "OBJSUFF", pszVarName);
800	if (!pVar)
801	fatal(NILF, _("no OBJSUFF attribute or SUFF_OBJ default for source `%s' in target `%s'!"), pSource->value, pTarget->value);
802	return pVar;
803	}
804
805
806	/* */
807	char *
808	func_kbuild_object_suffix(char o, char argv, const char pszFuncName)
809	{
810	struct variable *pVar = kbuild_get_object_suffix(kbuild_get_variable("target"),
811	kbuild_get_variable("source"),
812	kbuild_get_variable("tool"),
813	kbuild_get_variable("type"),
814	kbuild_get_variable("bld_trg"),
815	kbuild_get_variable("bld_trg_arch"),
816	argv[0]);
817	if (pVar)
818	o = variable_buffer_output(o, pVar->value, pVar->value_length);
819	return o;
820
821	}
822
823
824	/*
825	## Figure out where to put object files.
826	# @param $1 source file
827	# @param $2 normalized main target
828	# @remark There are two major hacks here:
829	# 1. Source files in the output directory are translated into a gen/ subdir.
830	# 2. Catch anyone specifying $(PATH_SUB_CURRENT)/sourcefile.c.
831	_OBJECT_BASE = $(PATH_TARGET)/$(2)/$(call no-root-slash,$(call no-drive,$(basename \
832	$(patsubst $(PATH_ROOT)/%,%,$(patsubst $(PATH_SUB_CURRENT)/%,%,$(patsubst $(PATH_TARGET)/$(2)/%,gen/%,$(1)))))))
833	*/
834	static struct variable *
835	kbuild_get_object_base(struct variable pTarget, struct variable pSource, const char *pszVarName)
836	{
837	struct variable *pPathTarget = kbuild_get_variable("PATH_TARGET");
838	struct variable *pPathRoot = kbuild_get_variable("PATH_ROOT");
839	struct variable *pPathSubCur = kbuild_get_variable("PATH_SUB_CURRENT");
840	const char *pszSrcPrefix = NULL;
841	size_t cchSrcPrefix = 0;
842	const char *pszSrcEnd;
843	char *pszSrc;
844	char *pszResult;
845	char *psz;
846	size_t cch;
847
848	/*
849	* Strip the source filename of any uncessary leading path and root specs.
850	*/
851	/* */
852	if ( pSource->value_length > pPathTarget->value_length
853	&& !strncmp(pSource->value, pPathTarget->value, pPathTarget->value_length))
854	{
855	pszSrc = pSource->value + pPathTarget->value_length;
856	pszSrcPrefix = "gen/";
857	cchSrcPrefix = sizeof("gen/") - 1;
858	if ( *pszSrc == '/'
859	&& !strncmp(pszSrc + 1, pTarget->value, pTarget->value_length)
860	&& ( pszSrc[pTarget->value_length + 1] == '/'
861	\|\| pszSrc[pTarget->value_length + 1] == '\0'))
862	pszSrc += 1 + pTarget->value_length;
863	}
864	else if ( pSource->value_length > pPathRoot->value_length
865	&& !strncmp(pSource->value, pPathRoot->value, pPathRoot->value_length))
866	{
867	pszSrc = pSource->value + pPathRoot->value_length;
868	if ( *pszSrc == '/'
869	&& !strncmp(pszSrc + 1, pPathSubCur->value, pPathSubCur->value_length)
870	&& ( pszSrc[pPathSubCur->value_length + 1] == '/'
871	\|\| pszSrc[pPathSubCur->value_length + 1] == '\0'))
872	pszSrc += 1 + pPathSubCur->value_length;
873	}
874	else
875	pszSrc = pSource->value;
876
877	/* skip root specification */
878	#ifdef HAVE_DOS_PATHS
879	if (isalpha(pszSrc[0]) && pszSrc[1] == ':')
880	pszSrc += 2;
881	#endif
882	while (*pszSrc == '/'
883	#ifdef HAVE_DOS_PATHS
884	\|\| *pszSrc == '\\'
885	#endif
886	)
887	pszSrc++;
888
889	/* drop the source extension. */
890	pszSrcEnd = pSource->value + pSource->value_length;
891	for (;;)
892	{
893	pszSrcEnd--;
894	if ( pszSrcEnd <= pszSrc
895	\|\| *pszSrcEnd == '/'
896	#ifdef HAVE_DOS_PATHS
897	\|\| *pszSrcEnd == '\\'
898	\|\| *pszSrcEnd == ':'
899	#endif
900	)
901	{
902	pszSrcEnd = pSource->value + pSource->value_length;
903	break;
904	}
905	if (*pszSrcEnd == '.')
906	break;
907	}
908
909	/*
910	* Assemble the string on the stack and define the objbase variable
911	* which we then return.
912	*/
913	cch = pPathTarget->value_length
914	+ 1 /* slash */
915	+ pTarget->value_length
916	+ 1 /* slash */
917	+ cchSrcPrefix
918	+ pszSrcEnd - pszSrc
919	+ 1;
920	psz = pszResult = xmalloc(cch);
921
922	memcpy(psz, pPathTarget->value, pPathTarget->value_length); psz += pPathTarget->value_length;
923	*psz++ = '/';
924	memcpy(psz, pTarget->value, pTarget->value_length); psz += pTarget->value_length;
925	*psz++ = '/';
926	if (pszSrcPrefix)
927	{
928	memcpy(psz, pszSrcPrefix, cchSrcPrefix);
929	psz += cchSrcPrefix;
930	}
931	memcpy(psz, pszSrc, pszSrcEnd - pszSrc); psz += pszSrcEnd - pszSrc;
932	*psz = '\0';
933
934	/*
935	* Define the variable in the current set and return it.
936	*/
937	return define_variable_vl(pszVarName, strlen(pszVarName), pszResult, cch - 1,
938	0 /* use pszResult /, o_file, 0 / !recursive */);
939	}
940
941
942	/* Implements _OBJECT_BASE. */
943	char *
944	func_kbuild_object_base(char o, char argv, const char pszFuncName)
945	{
946	struct variable *pVar = kbuild_get_object_base(kbuild_lookup_variable("target"),
947	kbuild_lookup_variable("source"),
948	argv[0]);
949	if (pVar)
950	o = variable_buffer_output(o, pVar->value, pVar->value_length);
951	return o;
952
953	}
954
955
956	struct kbuild_sdks
957	{
958	char *apsz[4];
959	struct variable *pa;
960	unsigned c;
961	unsigned iGlobal;
962	unsigned cGlobal;
963	unsigned iTarget;
964	unsigned cTarget;
965	unsigned iSource;
966	unsigned cSource;
967	unsigned iTargetSource;
968	unsigned cTargetSource;
969	};
970
971
972	/* Fills in the SDK struct (remember to free it). */
973	static void
974	kbuild_get_sdks(struct kbuild_sdks pSdks, struct variable pTarget, struct variable *pSource,
975	struct variable pBldType, struct variable pBldTrg, struct variable *pBldTrgArch)
976	{
977	int i, j;
978	size_t cchTmp, cch;
979	char *pszTmp;
980	unsigned cchCur;
981	char *pszCur;
982	const char *pszIterator;
983
984	/* basic init. */
985	pSdks->pa = NULL;
986	pSdks->c = 0;
987	i = 0;
988
989	/* determin required tmp variable name space. */
990	cchTmp = sizeof("$(__SDKS) $(__SDKS.) $(__SDKS.) $(__SDKS.) $(__SDKS..)")
991	+ (pTarget->value_length + pSource->value_length) * 5
992	+ pBldType->value_length
993	+ pBldTrg->value_length
994	+ pBldTrgArch->value_length
995	+ pBldTrg->value_length + pBldTrgArch->value_length;
996	pszTmp = alloca(cchTmp);
997
998	/* the global sdks. */
999	pSdks->iGlobal = i;
1000	pSdks->cGlobal = 0;
1001	sprintf(pszTmp, "$(SDKS) $(SDKS.%s) $(SDKS.%s) $(SDKS.%s) $(SDKS.%s.%s)",
1002	pBldType->value,
1003	pBldTrg->value,
1004	pBldTrgArch->value,
1005	pBldTrg->value, pBldTrgArch->value);
1006	pszIterator = pSdks->apsz[0] = allocated_variable_expand(pszTmp);
1007	while ((pszCur = find_next_token(&pszIterator, &cchCur)) != 0)
1008	pSdks->cGlobal++;
1009	i += pSdks->cGlobal;
1010
1011	/* the target sdks.*/
1012	pSdks->iTarget = i;
1013	pSdks->cTarget = 0;
1014	sprintf(pszTmp, "$(%s_SDKS) $(%s_SDKS.%s) $(%s_SDKS.%s) $(%s_SDKS.%s) $(%s_SDKS.%s.%s)",
1015	pTarget->value,
1016	pTarget->value, pBldType->value,
1017	pTarget->value, pBldTrg->value,
1018	pTarget->value, pBldTrgArch->value,
1019	pTarget->value, pBldTrg->value, pBldTrgArch->value);
1020	pszIterator = pSdks->apsz[1] = allocated_variable_expand(pszTmp);
1021	while ((pszCur = find_next_token(&pszIterator, &cchCur)) != 0)
1022	pSdks->cTarget++;
1023	i += pSdks->cTarget;
1024
1025	/* the source sdks.*/
1026	pSdks->iSource = i;
1027	pSdks->cSource = 0;
1028	sprintf(pszTmp, "$(%s_SDKS) $(%s_SDKS.%s) $(%s_SDKS.%s) $(%s_SDKS.%s) $(%s_SDKS.%s.%s)",
1029	pSource->value,
1030	pSource->value, pBldType->value,
1031	pSource->value, pBldTrg->value,
1032	pSource->value, pBldTrgArch->value,
1033	pSource->value, pBldTrg->value, pBldTrgArch->value);
1034	pszIterator = pSdks->apsz[2] = allocated_variable_expand(pszTmp);
1035	while ((pszCur = find_next_token(&pszIterator, &cchCur)) != 0)
1036	pSdks->cSource++;
1037	i += pSdks->cSource;
1038
1039	/* the target + source sdks. */
1040	pSdks->iTargetSource = i;
1041	pSdks->cTargetSource = 0;
1042	cch = sprintf(pszTmp, "$(%s_%s_SDKS) $(%s_%s_SDKS.%s) $(%s_%s_SDKS.%s) $(%s_%s_SDKS.%s) $(%s_%s_SDKS.%s.%s)",
1043	pTarget->value, pSource->value,
1044	pTarget->value, pSource->value, pBldType->value,
1045	pTarget->value, pSource->value, pBldTrg->value,
1046	pTarget->value, pSource->value, pBldTrgArch->value,
1047	pTarget->value, pSource->value, pBldTrg->value, pBldTrgArch->value);
1048	assert(cch < cchTmp); (void)cch;
1049	pszIterator = pSdks->apsz[3] = allocated_variable_expand(pszTmp);
1050	while ((pszCur = find_next_token(&pszIterator, &cchCur)) != 0)
1051	pSdks->cTargetSource++;
1052	i += pSdks->cTargetSource;
1053
1054	pSdks->c = i;
1055	if (!i)
1056	return;
1057
1058	/*
1059	* Allocate the variable array and create the variables.
1060	*/
1061	pSdks->pa = (struct variable )xmalloc(sizeof(pSdks->pa[0]) i);
1062	memset(pSdks->pa, 0, sizeof(pSdks->pa[0]) * i);
1063	for (i = j = 0; j < sizeof(pSdks->apsz) / sizeof(pSdks->apsz[0]); j++)
1064	{
1065	int k = i;
1066	pszIterator = pSdks->apsz[j];
1067	while ((pszCur = find_next_token(&pszIterator, &cchCur)) != 0)
1068	{
1069	pSdks->pa[i].value = pszCur;
1070	pSdks->pa[i].value_length = cchCur;
1071	i++;
1072	}
1073	}
1074	assert(i == pSdks->c);
1075
1076	/* terminate them (find_next_token won't work if we terminate them in the previous loop). */
1077	while (i-- > 0)
1078	pSdks->pa[i].value[pSdks->pa[i].value_length] = '\0';
1079	}
1080
1081
1082	/* releases resources allocated in the kbuild_get_sdks. */
1083	static void
1084	kbuild_put_sdks(struct kbuild_sdks *pSdks)
1085	{
1086	unsigned j;
1087	for (j = 0; j < sizeof(pSdks->apsz) / sizeof(pSdks->apsz[0]); j++)
1088	free(pSdks->apsz[j]);
1089	free(pSdks->pa);
1090	}
1091
1092
1093	/* this kind of stuff:
1094
1095	defs := $(kb-src-exp defs)
1096	$(TOOL_$(tool)_DEFS)\
1097	$(TOOL_$(tool)_DEFS.$(bld_type))\
1098	$(TOOL_$(tool)_DEFS.$(bld_trg))\
1099	$(TOOL_$(tool)_DEFS.$(bld_trg_arch))\
1100	$(TOOL_$(tool)_DEFS.$(bld_trg).$(bld_trg_arch))\
1101	$(TOOL_$(tool)_DEFS.$(bld_trg_cpu))\
1102	$(TOOL_$(tool)_$(type)DEFS)\
1103	$(TOOL_$(tool)_$(type)DEFS.$(bld_type))\
1104	$(foreach sdk, $(SDKS.$(bld_trg)) \
1105	$(SDKS.$(bld_trg).$(bld_trg_arch)) \
1106	$(SDKS.$(bld_type)) \
1107	$(SDKS),\
1108	$(SDK_$(sdk)_DEFS)\
1109	$(SDK_$(sdk)_DEFS.$(bld_type))\
1110	$(SDK_$(sdk)_DEFS.$(bld_trg))\
1111	$(SDK_$(sdk)_DEFS.$(bld_trg_arch))\
1112	$(SDK_$(sdk)_DEFS.$(bld_trg).$(bld_trg_arch))\
1113	$(SDK_$(sdk)_DEFS.$(bld_trg_cpu))\
1114	$(SDK_$(sdk)_$(type)DEFS)\
1115	$(SDK_$(sdk)_$(type)DEFS.$(bld_type))\
1116	$(SDK_$(sdk)_$(type)DEFS.$(bld_trg))\
1117	$(SDK_$(sdk)_$(type)DEFS.$(bld_trg_arch))\
1118	$(SDK_$(sdk)_$(type)DEFS.$(bld_trg).$(bld_trg_arch))\
1119	$(SDK_$(sdk)_$(type)DEFS.$(bld_trg_cpu)))\
1120	$(DEFS)\
1121	$(DEFS.$(bld_type))\
1122	$(DEFS.$(bld_trg))\
1123	$(DEFS.$(bld_trg_arch))\
1124	$(DEFS.$(bld_trg).$(bld_trg_arch))\
1125	$(DEFS.$(bld_trg_cpu))\
1126	$($(type)DEFS)\
1127	$($(type)DEFS.$(bld_type))\
1128	$($(type)DEFS.$(bld_trg))\
1129	$($(type)DEFS.$(bld_trg_arch))\
1130	$($(type)DEFS.$(bld_trg).$(bld_trg_arch))\
1131	$($(type)DEFS.$(bld_trg_cpu))\
1132	$(foreach sdk, $($(target)_SDKS.$(bld_trg)) \
1133	$($(target)_SDKS.$(bld_trg).$(bld_trg_arch)) \
1134	$($(target)_SDKS.$(bld_type)) \
1135	$($(target)_SDKS),\
1136	$(SDK_$(sdk)_DEFS)\
1137	$(SDK_$(sdk)_DEFS.$(bld_type))\
1138	$(SDK_$(sdk)_DEFS.$(bld_trg))\
1139	$(SDK_$(sdk)_DEFS.$(bld_trg_arch))\
1140	$(SDK_$(sdk)_DEFS.$(bld_trg).$(bld_trg_arch))\
1141	$(SDK_$(sdk)_DEFS.$(bld_trg_cpu))\
1142	$(SDK_$(sdk)_$(type)DEFS)\
1143	$(SDK_$(sdk)_$(type)DEFS.$(bld_type))\
1144	$(SDK_$(sdk)_$(type)DEFS.$(bld_trg))\
1145	$(SDK_$(sdk)_$(type)DEFS.$(bld_trg_arch))\
1146	$(SDK_$(sdk)_$(type)DEFS.$(bld_trg).$(bld_trg_arch))\
1147	$(SDK_$(sdk)_$(type)DEFS.$(bld_trg_cpu)))\
1148	$($(target)_DEFS)\
1149	$($(target)_DEFS.$(bld_type))\
1150	$($(target)_DEFS.$(bld_trg))\
1151	$($(target)_DEFS.$(bld_trg_arch))\
1152	$($(target)_DEFS.$(bld_trg).$(bld_trg_arch))\
1153	$($(target)_DEFS.$(bld_trg_cpu))\
1154	$($(target)_$(type)DEFS)\
1155	$($(target)_$(type)DEFS.$(bld_type))\
1156	$($(target)_$(type)DEFS.$(bld_trg))\
1157	$($(target)_$(type)DEFS.$(bld_trg_arch))\
1158	$($(target)_$(type)DEFS.$(bld_trg).$(bld_trg_arch))\
1159	$($(target)_$(type)DEFS.$(bld_trg_cpu))\
1160	$(foreach sdk, $($(source)_SDKS.$(bld_trg)) \
1161	$($(source)_SDKS.$(bld_trg).$(bld_trg_arch)) \
1162	$($(source)_SDKS.$(bld_type)) \
1163	$($(source)_SDKS),\
1164	$(SDK_$(sdk)_DEFS)\
1165	$(SDK_$(sdk)_DEFS.$(bld_type))\
1166	$(SDK_$(sdk)_DEFS.$(bld_trg))\
1167	$(SDK_$(sdk)_DEFS.$(bld_trg_arch))\
1168	$(SDK_$(sdk)_DEFS.$(bld_trg).$(bld_trg_arch))\
1169	$(SDK_$(sdk)_DEFS.$(bld_trg_cpu))\
1170	$(SDK_$(sdk)_$(type)DEFS)\
1171	$(SDK_$(sdk)_$(type)DEFS.$(bld_type))\
1172	$(SDK_$(sdk)_$(type)DEFS.$(bld_trg))\
1173	$(SDK_$(sdk)_$(type)DEFS.$(bld_trg_arch))\
1174	$(SDK_$(sdk)_$(type)DEFS.$(bld_trg).$(bld_trg_arch))\
1175	$(SDK_$(sdk)_$(type)DEFS.$(bld_trg_cpu)))\
1176	$($(source)_DEFS)\
1177	$($(source)_DEFS.$(bld_type))\
1178	$($(source)_DEFS.$(bld_trg))\
1179	$($(source)_DEFS.$(bld_trg_arch))\
1180	$($(source)_DEFS.$(bld_trg).$(bld_trg_arch))\
1181	$($(source)_DEFS.$(bld_trg_cpu))\
1182	$($(source)_$(type)DEFS)\
1183	$($(source)_$(type)DEFS.$(bld_type))\
1184	$($(source)_$(type)DEFS.$(bld_trg))\
1185	$($(source)_$(type)DEFS.$(bld_trg_arch))\
1186	$($(source)_$(type)DEFS.$(bld_trg).$(bld_trg_arch))\
1187	$($(source)_$(type)DEFS.$(bld_trg_cpu))\
1188	$(foreach sdk, $($(target)_$(source)_SDKS.$(bld_trg)) \
1189	$($(target)_$(source)_SDKS.$(bld_trg).$(bld_trg_arch)) \
1190	$($(target)_$(source)_SDKS.$(bld_type)) \
1191	$($(target)_$(source)_SDKS),\
1192	$(SDK_$(sdk)_DEFS)\
1193	$(SDK_$(sdk)_DEFS.$(bld_type))\
1194	$(SDK_$(sdk)_DEFS.$(bld_trg))\
1195	$(SDK_$(sdk)_DEFS.$(bld_trg_arch))\
1196	$(SDK_$(sdk)_DEFS.$(bld_trg).$(bld_trg_arch))\
1197	$(SDK_$(sdk)_DEFS.$(bld_trg_cpu))\
1198	$(SDK_$(sdk)_$(type)DEFS)\
1199	$(SDK_$(sdk)_$(type)DEFS.$(bld_type))\
1200	$(SDK_$(sdk)_$(type)DEFS.$(bld_trg))\
1201	$(SDK_$(sdk)_$(type)DEFS.$(bld_trg_arch))\
1202	$(SDK_$(sdk)_$(type)DEFS.$(bld_trg).$(bld_trg_arch))\
1203	$(SDK_$(sdk)_$(type)DEFS.$(bld_trg_cpu)))\
1204	$($(target)_$(source)_DEFS)\
1205	$($(target)_$(source)_DEFS.$(bld_type))\
1206	$($(target)_$(source)_DEFS.$(bld_trg))\
1207	$($(target)_$(source)_DEFS.$(bld_trg_arch))\
1208	$($(target)_$(source)_DEFS.$(bld_trg).$(bld_trg_arch))\
1209	$($(target)_$(source)_DEFS.$(bld_trg_cpu))\
1210	$($(target)_$(source)_$(type)DEFS)\
1211	$($(target)_$(source)_$(type)DEFS.$(bld_type))\
1212	$($(target)_$(source)_$(type)DEFS.$(bld_trg))\
1213	$($(target)_$(source)_$(type)DEFS.$(bld_trg_arch))\
1214	$($(target)_$(source)_$(type)DEFS.$(bld_trg).$(bld_trg_arch))\
1215	$($(target)_$(source)_$(type)DEFS.$(bld_trg_cpu))
1216	*/
1217	static struct variable *
1218	kbuild_collect_source_prop(struct variable pTarget, struct variable pSource,
1219	struct variable pTool, struct kbuild_sdks pSdks,
1220	struct variable pType, struct variable pBldType,
1221	struct variable pBldTrg, struct variable pBldTrgArch, struct variable *pBldTrgCpu,
1222	struct variable *pDefPath,
1223	const char pszProp, const char pszVarName, int iDirection)
1224	{
1225	struct variable *pVar;
1226	unsigned iSdk, iSdkEnd;
1227	int cVars, iVar, iVarEnd;
1228	size_t cchTotal;
1229	char pszResult, psz;
1230	struct
1231	{
1232	struct variable *pVar;
1233	int cchExp;
1234	char *pszExp;
1235	} *paVars;
1236
1237	struct variable Prop = {0};
1238	Prop.value = (char *)pszProp;
1239	Prop.value_length = strlen(pszProp);
1240
1241	assert(iDirection == 1 \|\| iDirection == -1);
1242
1243	/*
1244	* Get the variables.
1245	*/
1246	cVars = 12 * (pSdks->c + 5);
1247	paVars = alloca(cVars * sizeof(paVars[0]));
1248
1249	iVar = 0;
1250	/* the tool (lowest priority) */
1251	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "TOOL_%_%", pTool, &Prop);
1252	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "TOOL_%_%.%", pTool, &Prop, pBldType);
1253	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "TOOL_%_%.%", pTool, &Prop, pBldTrg);
1254	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "TOOL_%_%.%", pTool, &Prop, pBldTrgArch);
1255	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "TOOL_%_%.%.%", pTool, &Prop, pBldTrg, pBldTrgArch);
1256	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "TOOL_%_%.%", pTool, &Prop, pBldTrgCpu);
1257
1258	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "TOOL_%_%%", pTool, pType, &Prop);
1259	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "TOOL_%_%%.%", pTool, pType, &Prop, pBldType);
1260	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "TOOL_%_%%.%", pTool, pType, &Prop, pBldTrg);
1261	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "TOOL_%_%%.%", pTool, pType, &Prop, pBldTrgArch);
1262	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "TOOL_%_%%.%.%", pTool, pType, &Prop, pBldTrg, pBldTrgArch);
1263	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "TOOL_%_%%.%", pTool, pType, &Prop, pBldTrgCpu);
1264
1265	/* the global sdks */
1266	iSdkEnd = iDirection == 1 ? pSdks->iGlobal + pSdks->cGlobal : pSdks->iGlobal - 1;
1267	for (iSdk = iDirection == 1 ? pSdks->iGlobal : pSdks->iGlobal + pSdks->cGlobal - 1;
1268	iSdk != iSdkEnd;
1269	iSdk += iDirection)
1270	{
1271	struct variable *pSdk = &pSdks->pa[iSdk];
1272	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "SDK_%_%", pSdk, &Prop);
1273	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "SDK_%_%.%", pSdk, &Prop, pBldType);
1274	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "SDK_%_%.%", pSdk, &Prop, pBldTrg);
1275	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "SDK_%_%.%", pSdk, &Prop, pBldTrgArch);
1276	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "SDK_%_%.%.%", pSdk, &Prop, pBldTrg, pBldTrgArch);
1277	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "SDK_%_%.%", pSdk, &Prop, pBldTrgCpu);
1278
1279	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "SDK_%_%%", pSdk, pType, &Prop);
1280	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "SDK_%_%%.%", pSdk, pType, &Prop, pBldType);
1281	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "SDK_%_%%.%", pSdk, pType, &Prop, pBldTrg);
1282	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "SDK_%_%%.%", pSdk, pType, &Prop, pBldTrgArch);
1283	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "SDK_%_%%.%.%", pSdk, pType, &Prop, pBldTrg, pBldTrgArch);
1284	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "SDK_%_%%.%", pSdk, pType, &Prop, pBldTrgCpu);
1285	}
1286
1287	/* the globals */
1288	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "%", &Prop);
1289	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "%.%", &Prop, pBldType);
1290	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "%.%", &Prop, pBldTrg);
1291	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "%.%", &Prop, pBldTrgArch);
1292	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "%.%.%", &Prop, pBldTrg, pBldTrgArch);
1293	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "%.%", &Prop, pBldTrgCpu);
1294
1295	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "%%", pType, &Prop);
1296	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "%%.%", pType, &Prop, pBldType);
1297	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "%%.%", pType, &Prop, pBldTrg);
1298	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "%%.%", pType, &Prop, pBldTrgArch);
1299	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "%%.%.%", pType, &Prop, pBldTrg, pBldTrgArch);
1300	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "%%.%", pType, &Prop, pBldTrgCpu);
1301
1302	/* the target sdks */
1303	iSdkEnd = iDirection == 1 ? pSdks->iTarget + pSdks->cTarget : pSdks->iTarget - 1;
1304	for (iSdk = iDirection == 1 ? pSdks->iTarget : pSdks->iTarget + pSdks->cTarget - 1;
1305	iSdk != iSdkEnd;
1306	iSdk += iDirection)
1307	{
1308	struct variable *pSdk = &pSdks->pa[iSdk];
1309	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "SDK_%_%", pSdk, &Prop);
1310	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "SDK_%_%.%", pSdk, &Prop, pBldType);
1311	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "SDK_%_%.%", pSdk, &Prop, pBldTrg);
1312	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "SDK_%_%.%", pSdk, &Prop, pBldTrgArch);
1313	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "SDK_%_%.%.%", pSdk, &Prop, pBldTrg, pBldTrgArch);
1314	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "SDK_%_%.%", pSdk, &Prop, pBldTrgCpu);
1315
1316	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "SDK_%_%%", pSdk, pType, &Prop);
1317	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "SDK_%_%%.%", pSdk, pType, &Prop, pBldType);
1318	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "SDK_%_%%.%", pSdk, pType, &Prop, pBldTrg);
1319	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "SDK_%_%%.%", pSdk, pType, &Prop, pBldTrgArch);
1320	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "SDK_%_%%.%.%", pSdk, pType, &Prop, pBldTrg, pBldTrgArch);
1321	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "SDK_%_%%.%", pSdk, pType, &Prop, pBldTrgCpu);
1322	}
1323
1324	/* the target */
1325	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(pDefPath, "%_%", pTarget, &Prop);
1326	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(pDefPath, "%_%.%", pTarget, &Prop, pBldType);
1327	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(pDefPath, "%_%.%", pTarget, &Prop, pBldTrg);
1328	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(pDefPath, "%_%.%", pTarget, &Prop, pBldTrgArch);
1329	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(pDefPath, "%_%.%.%", pTarget, &Prop, pBldTrg, pBldTrgArch);
1330	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(pDefPath, "%_%.%", pTarget, &Prop, pBldTrgCpu);
1331
1332	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(pDefPath, "%_%%", pTarget, pType, &Prop);
1333	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(pDefPath, "%_%%.%", pTarget, pType, &Prop, pBldType);
1334	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(pDefPath, "%_%%.%", pTarget, pType, &Prop, pBldTrg);
1335	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(pDefPath, "%_%%.%", pTarget, pType, &Prop, pBldTrgArch);
1336	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(pDefPath, "%_%%.%.%", pTarget, pType, &Prop, pBldTrg, pBldTrgArch);
1337	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(pDefPath, "%_%%.%", pTarget, pType, &Prop, pBldTrgCpu);
1338
1339	/* the source sdks */
1340	iSdkEnd = iDirection == 1 ? pSdks->iSource + pSdks->cSource : pSdks->iSource - 1;
1341	for (iSdk = iDirection == 1 ? pSdks->iSource : pSdks->iSource + pSdks->cSource - 1;
1342	iSdk != iSdkEnd;
1343	iSdk += iDirection)
1344	{
1345	struct variable *pSdk = &pSdks->pa[iSdk];
1346	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "SDK_%_%", pSdk, &Prop);
1347	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "SDK_%_%.%", pSdk, &Prop, pBldType);
1348	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "SDK_%_%.%", pSdk, &Prop, pBldTrg);
1349	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "SDK_%_%.%", pSdk, &Prop, pBldTrgArch);
1350	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "SDK_%_%.%.%", pSdk, &Prop, pBldTrg, pBldTrgArch);
1351	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "SDK_%_%.%", pSdk, &Prop, pBldTrgCpu);
1352
1353	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "SDK_%_%%", pSdk, pType, &Prop);
1354	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "SDK_%_%%.%", pSdk, pType, &Prop, pBldType);
1355	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "SDK_%_%%.%", pSdk, pType, &Prop, pBldTrg);
1356	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "SDK_%_%%.%", pSdk, pType, &Prop, pBldTrgArch);
1357	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "SDK_%_%%.%.%", pSdk, pType, &Prop, pBldTrg, pBldTrgArch);
1358	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "SDK_%_%%.%", pSdk, pType, &Prop, pBldTrgCpu);
1359	}
1360
1361	/* the source */
1362	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(pDefPath, "%_%", pSource, &Prop);
1363	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(pDefPath, "%_%.%", pSource, &Prop, pBldType);
1364	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(pDefPath, "%_%.%", pSource, &Prop, pBldTrg);
1365	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(pDefPath, "%_%.%", pSource, &Prop, pBldTrgArch);
1366	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(pDefPath, "%_%.%.%", pSource, &Prop, pBldTrg, pBldTrgArch);
1367	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(pDefPath, "%_%.%", pSource, &Prop, pBldTrgCpu);
1368
1369	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(pDefPath, "%_%%", pSource, pType, &Prop);
1370	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(pDefPath, "%_%%.%", pSource, pType, &Prop, pBldType);
1371	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(pDefPath, "%_%%.%", pSource, pType, &Prop, pBldTrg);
1372	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(pDefPath, "%_%%.%", pSource, pType, &Prop, pBldTrgArch);
1373	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(pDefPath, "%_%%.%.%", pSource, pType, &Prop, pBldTrg, pBldTrgArch);
1374	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(pDefPath, "%_%%.%", pSource, pType, &Prop, pBldTrgCpu);
1375
1376
1377	/* the target + source sdks */
1378	iSdkEnd = iDirection == 1 ? pSdks->iTargetSource + pSdks->cTargetSource : pSdks->iTargetSource - 1;
1379	for (iSdk = iDirection == 1 ? pSdks->iTargetSource : pSdks->iTargetSource + pSdks->cTargetSource - 1;
1380	iSdk != iSdkEnd;
1381	iSdk += iDirection)
1382	{
1383	struct variable *pSdk = &pSdks->pa[iSdk];
1384	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "SDK_%_%", pSdk, &Prop);
1385	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "SDK_%_%.%", pSdk, &Prop, pBldType);
1386	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "SDK_%_%.%", pSdk, &Prop, pBldTrg);
1387	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "SDK_%_%.%", pSdk, &Prop, pBldTrgArch);
1388	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "SDK_%_%.%.%", pSdk, &Prop, pBldTrg, pBldTrgArch);
1389	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "SDK_%_%.%", pSdk, &Prop, pBldTrgCpu);
1390
1391	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "SDK_%_%%", pSdk, pType, &Prop);
1392	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "SDK_%_%%.%", pSdk, pType, &Prop, pBldType);
1393	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "SDK_%_%%.%", pSdk, pType, &Prop, pBldTrg);
1394	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "SDK_%_%%.%", pSdk, pType, &Prop, pBldTrgArch);
1395	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "SDK_%_%%.%.%", pSdk, pType, &Prop, pBldTrg, pBldTrgArch);
1396	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "SDK_%_%%.%", pSdk, pType, &Prop, pBldTrgCpu);
1397	}
1398
1399	/* the target + source */
1400	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(pDefPath, "%_%_%", pTarget, pSource, &Prop);
1401	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(pDefPath, "%_%_%.%", pTarget, pSource, &Prop, pBldType);
1402	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(pDefPath, "%_%_%.%", pTarget, pSource, &Prop, pBldTrg);
1403	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(pDefPath, "%_%_%.%", pTarget, pSource, &Prop, pBldTrgArch);
1404	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(pDefPath, "%_%_%.%.%", pTarget, pSource, &Prop, pBldTrg, pBldTrgArch);
1405	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(pDefPath, "%_%_%.%", pTarget, pSource, &Prop, pBldTrgCpu);
1406
1407	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(pDefPath, "%_%_%%", pTarget, pSource, pType, &Prop);
1408	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(pDefPath, "%_%_%%.%", pTarget, pSource, pType, &Prop, pBldType);
1409	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(pDefPath, "%_%_%%.%", pTarget, pSource, pType, &Prop, pBldTrg);
1410	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(pDefPath, "%_%_%%.%", pTarget, pSource, pType, &Prop, pBldTrgArch);
1411	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(pDefPath, "%_%_%%.%.%", pTarget, pSource, pType, &Prop, pBldTrg, pBldTrgArch);
1412	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(pDefPath, "%_%_%%.%", pTarget, pSource, pType, &Prop, pBldTrgCpu);
1413
1414	assert(cVars == iVar);
1415
1416	/*
1417	* Expand the variables and calculate the total length.
1418	*/
1419	cchTotal = 0;
1420	iVarEnd = iDirection == 1 ? cVars : 0;
1421	for (iVar = iDirection == 1 ? 0 : cVars - 1; iVar != iVarEnd; iVar += iDirection)
1422	{
1423	paVars[iVar].cchExp = 0;
1424	if (!paVars[iVar].pVar)
1425	continue;
1426	if ( paVars[iVar].pVar->flavor == f_simple
1427	\|\| !strchr(paVars[iVar].pVar->value, '$'))
1428	{
1429	paVars[iVar].pszExp = paVars[iVar].pVar->value;
1430	paVars[iVar].cchExp = paVars[iVar].pVar->value_length;
1431	}
1432	else
1433	{
1434	paVars[iVar].pszExp = allocated_variable_expand(paVars[iVar].pVar->value);
1435	paVars[iVar].cchExp = strlen(paVars[iVar].pszExp);
1436	}
1437	if (pDefPath)
1438	kbuild_apply_defpath(pDefPath, &paVars[iVar].pszExp, &paVars[iVar].cchExp, NULL,
1439	paVars[iVar].pszExp != paVars[iVar].pVar->value);
1440	cchTotal += paVars[iVar].cchExp + 1;
1441	}
1442
1443	/*
1444	* Construct the result value.
1445	*/
1446	psz = pszResult = xmalloc(cchTotal + 1);
1447	iVarEnd = iDirection == 1 ? cVars : 0;
1448	for (iVar = iDirection == 1 ? 0 : cVars - 1; iVar != iVarEnd; iVar += iDirection)
1449	{
1450	if (!paVars[iVar].cchExp)
1451	continue;
1452	memcpy(psz, paVars[iVar].pszExp, paVars[iVar].cchExp);
1453	psz += paVars[iVar].cchExp;
1454	*psz++ = ' ';
1455	if (paVars[iVar].pszExp != paVars[iVar].pVar->value)
1456	free(paVars[iVar].pszExp);
1457	}
1458	if (psz != pszResult)
1459	psz--;
1460	*psz = '\0';
1461	cchTotal = psz - pszResult;
1462
1463	pVar = define_variable_vl(pszVarName, strlen(pszVarName), pszResult, cchTotal,
1464	0 /* take pszResult / , o_file, 0 / !recursive */);
1465	return pVar;
1466	}
1467
1468
1469	/* get a source property. Doesn't respect the default path. */
1470	char *
1471	func_kbuild_source_prop(char o, char argv, const char pszFuncName)
1472	{
1473	struct variable *pTarget = kbuild_get_variable("target");
1474	struct variable *pSource = kbuild_get_variable("source");
1475	struct variable *pDefPath = NULL;
1476	struct variable *pType = kbuild_get_variable("type");
1477	struct variable *pTool = kbuild_get_variable("tool");
1478	struct variable *pBldType = kbuild_get_variable("bld_type");
1479	struct variable *pBldTrg = kbuild_get_variable("bld_trg");
1480	struct variable *pBldTrgArch = kbuild_get_variable("bld_trg_arch");
1481	struct variable *pBldTrgCpu = kbuild_get_variable("bld_trg_cpu");
1482	struct variable *pVar;
1483	struct kbuild_sdks Sdks;
1484	int iDirection;
1485	if (!strcmp(argv[2], "left-to-right"))
1486	iDirection = 1;
1487	else if (!strcmp(argv[2], "right-to-left"))
1488	iDirection = -1;
1489	else
1490	fatal(NILF, _("incorrect direction argument `%s'!"), argv[2]);
1491	if (argv[3])
1492	pDefPath = kbuild_get_variable("defpath");
1493
1494	kbuild_get_sdks(&Sdks, pTarget, pSource, pBldType, pBldTrg, pBldTrgArch);
1495
1496	pVar = kbuild_collect_source_prop(pTarget, pSource, pTool, &Sdks, pType,
1497	pBldType, pBldTrg, pBldTrgArch, pBldTrgCpu,
1498	pDefPath,
1499	argv[0], argv[1], iDirection);
1500	if (pVar)
1501	o = variable_buffer_output(o, pVar->value, pVar->value_length);
1502
1503	kbuild_put_sdks(&Sdks);
1504	return o;
1505
1506	}
1507
1508
1509	/*
1510	dep := $(obj)$(SUFF_DEP)
1511	obj := $(outbase)$(objsuff)
1512	dirdep := $(call DIRDEP,$(dir $(outbase)))
1513	PATH_$(target)_$(source) := $(patsubst %/,%,$(dir $(outbase)))
1514	*/
1515	static struct variable *
1516	kbuild_set_object_name_and_dep_and_dirdep_and_PATH_target_source(struct variable pTarget, struct variable pSource,
1517	struct variable pOutBase, struct variable pObjSuff,
1518	const char pszVarName, struct variable *ppDep,
1519	struct variable **ppDirDep)
1520	{
1521	struct variable *pDepSuff = kbuild_get_variable("SUFF_DEP");
1522	struct variable *pObj;
1523	size_t cch = pOutBase->value_length + pObjSuff->value_length + pDepSuff->value_length + 1;
1524	char *pszResult = alloca(cch);
1525	char pszName, psz;
1526
1527	/*
1528	* dep.
1529	*/
1530	psz = pszResult;
1531	memcpy(psz, pOutBase->value, pOutBase->value_length); psz += pOutBase->value_length;
1532	memcpy(psz, pObjSuff->value, pObjSuff->value_length); psz += pObjSuff->value_length;
1533	memcpy(psz, pDepSuff->value, pDepSuff->value_length + 1);
1534	ppDep = define_variable_vl("dep", 3, pszResult, cch - 1, 1 /dup/, o_file, 0 / !recursive */);
1535
1536	/*
1537	* obj
1538	*/
1539	*psz = '\0';
1540	pObj = define_variable_vl(pszVarName, strlen(pszVarName), pszResult, psz - pszResult,
1541	1/* dup /, o_file, 0 / !recursive */);
1542
1543	/*
1544	* PATH_$(target)_$(source) - this is global!
1545	*/
1546	/* calc variable name. */
1547	cch = sizeof("PATH_")-1 + pTarget->value_length + sizeof("_")-1 + pSource->value_length;
1548	psz = pszName = alloca(cch + 1);
1549	memcpy(psz, "PATH_", sizeof("PATH_") - 1); psz += sizeof("PATH_") - 1;
1550	memcpy(psz, pTarget->value, pTarget->value_length); psz += pTarget->value_length;
1551	*psz++ = '_';
1552	memcpy(psz, pSource->value, pSource->value_length + 1);
1553
1554	/* strip off the filename. */
1555	psz = pszResult + pOutBase->value_length;
1556	for (;;)
1557	{
1558	psz--;
1559	if (psz <= pszResult)
1560	fatal(NULL, "whut!?! no path? result=`%s'", pszResult);
1561	#ifdef HAVE_DOS_PATHS
1562	if (*psz == ':')
1563	{
1564	psz++;
1565	break;
1566	}
1567	#endif
1568	if ( *psz == '/'
1569	#ifdef HAVE_DOS_PATHS
1570	\|\| *psz == '\\'
1571	#endif
1572	)
1573	{
1574	while ( psz - 1 > pszResult
1575	&& psz[-1] == '/'
1576	#ifdef HAVE_DOS_PATHS
1577	\|\| psz[-1] == '\\'
1578	#endif
1579	)
1580	psz--;
1581	#ifdef HAVE_DOS_PATHS
1582	if (psz == pszResult + 2 && pszResult[1] == ':')
1583	psz++;
1584	#endif
1585	break;
1586	}
1587	}
1588	*psz = '\0';
1589
1590	/* set global variable */
1591	define_variable_vl_global(pszName, cch, pszResult, psz - pszResult, 1/dup/, o_file, 0 /* !recursive */, NILF);
1592
1593	/*
1594	* dirdep
1595	*/
1596	if ( psz[-1] != '/'
1597	#ifdef HAVE_DOS_PATHS
1598	&& psz[-1] != '\\'
1599	&& psz[-1] != ':'
1600	#endif
1601	)
1602	{
1603	*psz++ = '/';
1604	*psz = '\0';
1605	}
1606	ppDirDep = define_variable_vl("dirdep", 6, pszResult, psz - pszResult, 1/dup/, o_file, 0 / !recursive */);
1607
1608	return pObj;
1609	}
1610
1611
1612	/* setup the base variables for def_target_source_c_cpp_asm_new:
1613
1614	X := $(kb-src-tool tool)
1615	x := $(kb-obj-base outbase)
1616	x := $(kb-obj-suff objsuff)
1617	obj := $(outbase)$(objsuff)
1618	PATH_$(target)_$(source) := $(patsubst %/,%,$(dir $(outbase)))
1619
1620	x := $(kb-src-prop DEFS,defs,left-to-right)
1621	x := $(kb-src-prop INCS,incs,right-to-left)
1622	x := $(kb-src-prop FLAGS,flags,right-to-left)
1623
1624	x := $(kb-src-prop DEPS,deps,left-to-right)
1625	dirdep := $(call DIRDEP,$(dir $(outbase)))
1626	dep := $(obj)$(SUFF_DEP)
1627	*/
1628	char *
1629	func_kbuild_source_one(char o, char argv, const char pszFuncName)
1630	{
1631	static int s_fNoCompileCmdsDepsDefined = -1;
1632	struct variable *pTarget = kbuild_get_variable("target");
1633	struct variable *pSource = kbuild_get_variable("source");
1634	struct variable *pDefPath = kbuild_get_variable("defpath");
1635	struct variable *pType = kbuild_get_variable("type");
1636	struct variable *pBldType = kbuild_get_variable("bld_type");
1637	struct variable *pBldTrg = kbuild_get_variable("bld_trg");
1638	struct variable *pBldTrgArch= kbuild_get_variable("bld_trg_arch");
1639	struct variable *pBldTrgCpu = kbuild_get_variable("bld_trg_cpu");
1640	struct variable *pTool = kbuild_get_source_tool(pTarget, pSource, pType, pBldTrg, pBldTrgArch, "tool");
1641	struct variable *pOutBase = kbuild_get_object_base(pTarget, pSource, "outbase");
1642	struct variable *pObjSuff = kbuild_get_object_suffix(pTarget, pSource, pTool, pType, pBldTrg, pBldTrgArch, "objsuff");
1643	struct variable pDefs, pIncs, pFlags, pDeps, pOrderDeps, pDirDep, pDep, pVar, *pOutput;
1644	struct variable *pObj = kbuild_set_object_name_and_dep_and_dirdep_and_PATH_target_source(pTarget, pSource, pOutBase, pObjSuff, "obj", &pDep, &pDirDep);
1645	char pszDstVar, pszDst, pszSrcVar, pszSrc, pszVal, psz;
1646	char *pszSavedVarBuf;
1647	unsigned cchSavedVarBuf;
1648	size_t cch;
1649	struct kbuild_sdks Sdks;
1650
1651	/*
1652	* Gather properties.
1653	*/
1654	kbuild_get_sdks(&Sdks, pTarget, pSource, pBldType, pBldTrg, pBldTrgArch);
1655
1656	if (pDefPath && !pDefPath->value_length)
1657	pDefPath = NULL;
1658	pDefs = kbuild_collect_source_prop(pTarget, pSource, pTool, &Sdks, pType, pBldType, pBldTrg, pBldTrgArch, pBldTrgCpu, NULL,
1659	"DEFS", "defs", 1/* left-to-right */);
1660	pIncs = kbuild_collect_source_prop(pTarget, pSource, pTool, &Sdks, pType, pBldType, pBldTrg, pBldTrgArch, pBldTrgCpu, pDefPath,
1661	"INCS", "incs", -1/* right-to-left */);
1662	pFlags = kbuild_collect_source_prop(pTarget, pSource, pTool, &Sdks, pType, pBldType, pBldTrg, pBldTrgArch, pBldTrgCpu, NULL,
1663	"FLAGS", "flags", 1/* left-to-right */);
1664	pDeps = kbuild_collect_source_prop(pTarget, pSource, pTool, &Sdks, pType, pBldType, pBldTrg, pBldTrgArch, pBldTrgCpu, pDefPath,
1665	"DEPS", "deps", 1/* left-to-right */);
1666	pOrderDeps = kbuild_collect_source_prop(pTarget, pSource, pTool, &Sdks, pType, pBldType, pBldTrg, pBldTrgArch, pBldTrgCpu, pDefPath,
1667	"ORDERDEPS", "orderdeps", 1/* left-to-right */);
1668
1669	/*
1670	* If we've got a default path, we must expand the source now.
1671	* If we do this too early, "<source>_property = stuff" won't work becuase
1672	* our 'source' value isn't what the user expects.
1673	*/
1674	if (pDefPath)
1675	kbuild_apply_defpath(pDefPath, &pSource->value, &pSource->value_length, &pSource->value_alloc_len, 1 /* can free */);
1676
1677	/*
1678	# dependencies
1679	ifndef NO_COMPILE_CMDS_DEPS
1680	_DEPFILES_INCLUDED += $(dep)
1681	$(if $(wildcard $(dep)),$(eval include $(dep)))
1682	endif
1683	*/
1684	if (s_fNoCompileCmdsDepsDefined == -1)
1685	s_fNoCompileCmdsDepsDefined = kbuild_lookup_variable("NO_COMPILE_CMDS_DEPS") != NULL;
1686	if (!s_fNoCompileCmdsDepsDefined)
1687	{
1688	do_variable_definition(NILF, "_DEPFILES_INCLUDED", pDep->value, o_file, f_append, 0 /* !target_var */);
1689	eval_include_dep(pDep->value, NILF);
1690	}
1691
1692	/*
1693	# call the tool
1694	$(target)_$(source)_CMDS_ := $(TOOL_$(tool)_COMPILE_$(type)_CMDS)
1695	$(target)_$(source)_OUTPUT_ := $(TOOL_$(tool)_COMPILE_$(type)_OUTPUT)
1696	$(target)_$(source)_OUTPUT_MAYBE_ := $(TOOL_$(tool)_COMPILE_$(type)_OUTPUT_MAYBE)
1697	$(target)_$(source)_DEPEND_ := $(TOOL_$(tool)_COMPILE_$(type)_DEPEND) $(deps) $(source)
1698	$(target)_$(source)_DEPORD_ := $(TOOL_$(tool)_COMPILE_$(type)_DEPORD) $(dirdep)
1699	*/
1700	cch = sizeof("TOOL_") + pTool->value_length + sizeof("_COMPILE_") + pType->value_length + sizeof("_OUTPUT_MAYBE");
1701	psz = pszSrcVar = alloca(cch);
1702	memcpy(psz, "TOOL_", sizeof("TOOL_") - 1); psz += sizeof("TOOL_") - 1;
1703	memcpy(psz, pTool->value, pTool->value_length); psz += pTool->value_length;
1704	memcpy(psz, "_COMPILE_", sizeof("_COMPILE_") - 1); psz += sizeof("_COMPILE_") - 1;
1705	memcpy(psz, pType->value, pType->value_length); psz += pType->value_length;
1706	pszSrc = psz;
1707
1708	cch = pTarget->value_length + 1 + pSource->value_length + sizeof("_OUTPUT_MAYBE_");
1709	psz = pszDstVar = alloca(cch);
1710	memcpy(psz, pTarget->value, pTarget->value_length); psz += pTarget->value_length;
1711	*psz++ = '_';
1712	memcpy(psz, pSource->value, pSource->value_length); psz += pSource->value_length;
1713	pszDst = psz;
1714
1715	memcpy(pszSrc, "_CMDS", sizeof("_CMDS"));
1716	memcpy(pszDst, "_CMDS_", sizeof("_CMDS_"));
1717	pVar = kbuild_get_recursive_variable(pszSrcVar);
1718	do_variable_definition(NILF, pszDstVar, pVar->value, o_file, f_simple, 0 /* !target_var */);
1719
1720	memcpy(pszSrc, "_OUTPUT", sizeof("_OUTPUT"));
1721	memcpy(pszDst, "_OUTPUT_", sizeof("_OUTPUT_"));
1722	pVar = kbuild_get_recursive_variable(pszSrcVar);
1723	pOutput = do_variable_definition(NILF, pszDstVar, pVar->value, o_file, f_simple, 0 /* !target_var */);
1724
1725	memcpy(pszSrc, "_OUTPUT_MAYBE", sizeof("_OUTPUT_MAYBE"));
1726	memcpy(pszDst, "_OUTPUT_MAYBE_", sizeof("_OUTPUT_MAYBE_"));
1727	pVar = kbuild_query_recursive_variable(pszSrcVar);
1728	pOutput = do_variable_definition(NILF, pszDstVar, pVar ? pVar->value : "", o_file, f_simple, 0 /* !target_var */);
1729
1730	memcpy(pszSrc, "_DEPEND", sizeof("_DEPEND"));
1731	memcpy(pszDst, "_DEPEND_", sizeof("_DEPEND_"));
1732	pVar = kbuild_get_recursive_variable(pszSrcVar);
1733	psz = pszVal = xmalloc(pVar->value_length + 1 + pDeps->value_length + 1 + pSource->value_length + 1);
1734	memcpy(psz, pVar->value, pVar->value_length); psz += pVar->value_length;
1735	*psz++ = ' ';
1736	memcpy(psz, pDeps->value, pDeps->value_length); psz += pDeps->value_length;
1737	*psz++ = ' ';
1738	memcpy(psz, pSource->value, pSource->value_length + 1);
1739	do_variable_definition(NILF, pszDstVar, pszVal, o_file, f_simple, 0 /* !target_var */);
1740	free(pszVal);
1741
1742	memcpy(pszSrc, "_DEPORD", sizeof("_DEPORD"));
1743	memcpy(pszDst, "_DEPORD_", sizeof("_DEPORD_"));
1744	pVar = kbuild_get_recursive_variable(pszSrcVar);
1745	psz = pszVal = xmalloc(pVar->value_length + 1 + pDirDep->value_length + 1 + pOrderDeps->value_length + 1);
1746	memcpy(psz, pVar->value, pVar->value_length); psz += pVar->value_length;
1747	*psz++ = ' ';
1748	memcpy(psz, pDirDep->value, pDirDep->value_length); psz += pDirDep->value_length;
1749	*psz++ = ' ';
1750	memcpy(psz, pOrderDeps->value, pOrderDeps->value_length + 1);
1751	do_variable_definition(NILF, pszDstVar, pszVal, o_file, f_simple, 0 /* !target_var */);
1752	free(pszVal);
1753
1754	/*
1755	_OUT_FILES += $($(target)_$(source)_OUTPUT_)
1756	*/
1757	pVar = kbuild_get_variable("_OUT_FILES");
1758	psz = pszVal = xmalloc(pVar->value_length + 1 + pOutput->value_length + 1);
1759	memcpy(psz, pVar->value, pVar->value_length); psz += pVar->value_length;
1760	*psz++ = ' ';
1761	memcpy(psz, pOutput->value, pOutput->value_length + 1);
1762	do_variable_definition(NILF, "_OUT_FILES", pszVal, o_file, f_simple, 0 /* !target_var */);
1763	free(pszVal);
1764
1765	/*
1766	$(target)_OBJS_ += $(obj)
1767	*/
1768	memcpy(pszDstVar + pTarget->value_length, "_OBJS_", sizeof("_OBJS_"));
1769	do_variable_definition(NILF, pszDstVar, pObj->value, o_file, f_append, 0 /* !target_var */);
1770
1771	/*
1772	$(eval $(def_target_source_rule))
1773	*/
1774	pVar = kbuild_get_recursive_variable("def_target_source_rule");
1775	pszVal = allocated_variable_expand(pVar->value);
1776
1777	install_variable_buffer(&pszSavedVarBuf, &cchSavedVarBuf);
1778	eval_buffer(pszVal);
1779	restore_variable_buffer(pszSavedVarBuf, cchSavedVarBuf);
1780
1781	free(pszVal);
1782
1783	kbuild_put_sdks(&Sdks);
1784	return variable_buffer_output(o, "", 1);
1785	}
1786
1787
1788	#endif /* KMK_HELPERS */
1789

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