kbuild.c@ 1330

Last change on this file since 1330 was 1330, checked in by bird, 17 years ago
include prototype for _dyld_get_image_name.
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1	/* $Id: kbuild.c 1330 2007-12-02 20:52:52Z bird $ */
2	/** @file
3	*
4	* kBuild specific make functionality.
5	*
6	* Copyright (c) 2006-2007 knut st. osmundsen <[email protected]>
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	#if defined(__APPLE__)
43	# include <mach-o/dyld.h>
44	#endif
45
46	#include "kbuild.h"
47
48	#include <assert.h>
49	#include <stdarg.h>
50	#ifndef va_copy
51	# define va_copy(dst, src) do {(dst) = (src);} while (0)
52	#endif
53
54
55	/*******************************************************************************
56	* Internal Functions *
57	*******************************************************************************/
58	/* function.c */
59	char * abspath(const char name, char apath);
60
61	/*******************************************************************************
62	* Global Variables *
63	*******************************************************************************/
64	/** The argv[0] passed to main. */
65	static const char *g_pszExeName;
66	/** The initial working directory. */
67	static char *g_pszInitialCwd;
68
69
70	/**
71	* Initialize kBuild stuff.
72	*
73	* @param argc Number of arguments to main().
74	* @param argv The main() argument vector.
75	*/
76	void init_kbuild(int argc, char **argv)
77	{
78	int rc;
79	PATH_VAR(szTmp);
80
81	/*
82	* Get the initial cwd for use in my_abspath.
83	*/
84	#ifdef WINDOWS32
85	if (getcwd_fs(szTmp, GET_PATH_MAX) != 0)
86	#else
87	if (getcwd(szTmp, GET_PATH_MAX) != 0)
88	#endif
89	g_pszInitialCwd = xstrdup(szTmp);
90	else
91	fatal(NILF, _("getcwd failed"));
92
93	/*
94	* Determin the executable name.
95	*/
96	rc = -1;
97	#if defined(__APPLE__)
98	{
99	const char *pszImageName = _dyld_get_image_name(0);
100	if (pszImageName)
101	{
102	size_t cchImageName = strlen(pszImageName);
103	if (cchImageName < GET_PATH_MAX)
104	{
105	memcpy(szTmp, pszImageName, cchImageName + 1);
106	rc = 0;
107	}
108	}
109	}
110
111	#elif defined(__FreeBSD__)
112	rc = readlink("/proc/curproc/file", szTmp, GET_PATH_MAX - 1);
113	if (rc < 0 \|\| rc == GET_PATH_MAX - 1)
114	rc = -1;
115	else
116	szTmp[rc] = '\0';
117
118	#elif defined(__gnu_linux__) /** @todo find proper define... */
119	rc = readlink("/proc/self/exe", szTmp, GET_PATH_MAX - 1);
120	if (rc < 0 \|\| rc == GET_PATH_MAX - 1)
121	rc = -1;
122	else
123	szTmp[rc] = '\0';
124
125	#elif defined(__OS2__)
126	_execname(szTmp, GET_PATH_MAX);
127	rc = 0;
128
129	#elif defined(__sun__)
130	{
131	char szTmp2[64];
132	snprintf(szTmp2, sizeof(szTmp2), "/proc/%d/path/a.out", getpid());
133	rc = readlink(szTmp2, szTmp, GET_PATH_MAX - 1);
134	if (rc < 0 \|\| rc == GET_PATH_MAX - 1)
135	rc = -1;
136	else
137	szTmp[rc] = '\0';
138	}
139
140	#elif defined(WINDOWS32)
141	if (GetModuleFileName(GetModuleHandle(NULL), szTmp, GET_PATH_MAX))
142	rc = 0;
143
144	#endif
145
146	#if !defined(__OS2__) && !defined(WINDOWS32)
147	/* fallback, try use the path to locate the binary. */
148	if ( rc < 0
149	&& access(argv[0], X_OK))
150	{
151	size_t cchArgv0 = strlen(argv[0]);
152	const char *pszPath = getenv("PATH");
153	char *pszCopy = xstrdup(pszPath ? pszPath : ".");
154	char *psz = pszCopy;
155	while (*psz)
156	{
157	size_t cch;
158	char *pszEnd = strchr(psz, PATH_SEPARATOR_CHAR);
159	if (!pszEnd)
160	pszEnd = strchr(psz, '\0');
161	cch = pszEnd - psz;
162	if (cch + cchArgv0 + 2 <= GET_PATH_MAX)
163	{
164	memcpy(szTmp, psz, cch);
165	szTmp[cch] = '/';
166	memcpy(&szTmp[cch + 1], argv[0], cchArgv0 + 1);
167	if (!access(szTmp, X_OK))
168	{
169	rc = 0;
170	break;
171	}
172	}
173
174	/* next */
175	psz = pszEnd;
176	while (*psz == PATH_SEPARATOR_CHAR)
177	psz++;
178	}
179	free(pszCopy);
180	}
181	#endif
182
183	if (rc < 0)
184	g_pszExeName = argv[0];
185	else
186	g_pszExeName = xstrdup(szTmp);
187	}
188
189
190	/**
191	* Wrapper that ensures correct starting_directory.
192	*/
193	static char my_abspath(const char pszIn, char *pszOut)
194	{
195	char pszSaved, pszRet;
196
197	pszSaved = starting_directory;
198	starting_directory = g_pszInitialCwd;
199	pszRet = abspath(pszIn, pszOut);
200	starting_directory = pszSaved;
201
202	return pszRet;
203	}
204
205
206	/**
207	* Determin the PATH_KBUILD value.
208	*
209	* @returns Pointer to static a buffer containing the value (consider it read-only).
210	*/
211	const char *get_path_kbuild(void)
212	{
213	static const char *s_pszPath = NULL;
214	if (!s_pszPath)
215	{
216	PATH_VAR(szTmpPath);
217	const char *pszEnvVar = getenv("PATH_KBUILD");
218	if ( !pszEnvVar
219	\|\| !my_abspath(pszEnvVar, szTmpPath))
220	{
221	#ifdef PATH_KBUILD
222	return s_pszPath = PATH_KBUILD;
223	#else
224	/* $(abspath $(PATH_KBUILD_BIN)/../..)*/
225	size_t cch = strlen(get_path_kbuild_bin());
226	char *pszTmp2 = alloca(cch + sizeof("/../.."));
227	strcat(strcpy(pszTmp2, get_path_kbuild_bin()), "/../..");
228	if (!my_abspath(pszTmp2, szTmpPath))
229	fatal(NILF, _("failed to determin PATH_KBUILD"));
230	#endif
231	}
232	s_pszPath = xstrdup(szTmpPath);
233	}
234	return s_pszPath;
235	}
236
237
238	/**
239	* Determin the PATH_KBUILD_BIN value.
240	*
241	* @returns Pointer to static a buffer containing the value (consider it read-only).
242	*/
243	const char *get_path_kbuild_bin(void)
244	{
245	static const char *s_pszPath = NULL;
246	if (!s_pszPath)
247	{
248	PATH_VAR(szTmpPath);
249	const char *pszEnvVar = getenv("PATH_KBUILD_BIN");
250	if ( !pszEnvVar
251	\|\| !my_abspath(pszEnvVar, szTmpPath))
252	{
253	#ifdef PATH_KBUILD
254	return s_pszPath = PATH_KBUILD_BIN;
255	#else
256	/* $(abspath $(dir $(ARGV0)).) */
257	size_t cch = strlen(g_pszExeName);
258	char *pszTmp2 = alloca(cch + sizeof("."));
259	char *pszSep = pszTmp2 + cch - 1;
260	memcpy(pszTmp2, g_pszExeName, cch);
261	#ifdef HAVE_DOS_PATHS
262	while (pszSep >= pszTmp2 && pszSep != '/' && pszSep != '\\' && *pszSep != ':')
263	#else
264	while (pszSep >= pszTmp2 && *pszSep != '/')
265	#endif
266	pszSep--;
267	if (pszSep >= pszTmp2)
268	strcpy(pszSep + 1, ".");
269	else
270	strcpy(pszTmp2, ".");
271
272	if (!my_abspath(pszTmp2, szTmpPath))
273	fatal(NILF, _("failed to determin PATH_KBUILD_BIN (pszTmp2=%s szTmpPath=%s)"), pszTmp2, szTmpPath);
274	#endif
275	}
276	s_pszPath = xstrdup(szTmpPath);
277	}
278	return s_pszPath;
279	}
280
281
282	/**
283	* Determin the location of default kBuild shell.
284	*
285	* @returns Pointer to static a buffer containing the location (consider it read-only).
286	*/
287	const char *get_default_kbuild_shell(void)
288	{
289	static char *s_pszDefaultShell = NULL;
290	if (!s_pszDefaultShell)
291	{
292	#if defined(__OS2__) \|\| defined(_WIN32) \|\| defined(WINDOWS32)
293	static const char s_szShellName[] = "/kmk_ash.exe";
294	#else
295	static const char s_szShellName[] = "/kmk_ash";
296	#endif
297	const char *pszBin = get_path_kbuild_bin();
298	size_t cchBin = strlen(pszBin);
299	s_pszDefaultShell = xmalloc(cchBin + sizeof(s_szShellName));
300	memcpy(s_pszDefaultShell, pszBin, cchBin);
301	memcpy(&s_pszDefaultShell[cchBin], s_szShellName, sizeof(s_szShellName));
302	}
303	return s_pszDefaultShell;
304	}
305
306	#ifdef KMK_HELPERS
307
308	/**
309	* Applies the specified default path to any relative paths in *ppsz.
310	*
311	* @param pDefPath The default path.
312	* @param ppsz Pointer to the string pointer. If we expand anything, *ppsz
313	* will be replaced and the caller is responsible for calling free() on it.
314	* @param pcch IN: *pcch contains the current string length.
315	* OUT: *pcch contains the new string length.
316	* @param pcchAlloc *pcchAlloc contains the length allocated for the string. Can be NULL.
317	* @param fCanFree Whether *ppsz should be freed when we replace it.
318	*/
319	static void
320	kbuild_apply_defpath(struct variable pDefPath, char ppsz, int pcch, int *pcchAlloc, int fCanFree)
321	{
322	const char *pszIterator;
323	const char *pszInCur;
324	unsigned int cchInCur;
325	unsigned int cRelativePaths;
326
327	/*
328	* The first pass, count the relative paths.
329	*/
330	cRelativePaths = 0;
331	pszIterator = *ppsz;
332	while ((pszInCur = find_next_token(&pszIterator, &cchInCur)))
333	{
334	/* is relative? */
335	#ifdef HAVE_DOS_PATHS
336	if (pszInCur[0] != '/' && pszInCur[0] != '\\' && (cchInCur < 2 \|\| pszInCur[1] != ':'))
337	#else
338	if (pszInCur[0] != '/')
339	#endif
340	cRelativePaths++;
341	}
342
343	/*
344	* The second pass construct the new string.
345	*/
346	if (cRelativePaths)
347	{
348	const size_t cchOut = pcch + cRelativePaths (pDefPath->value_length + 1) + 1;
349	char *pszOut = xmalloc(cchOut);
350	char *pszOutCur = pszOut;
351	const char pszInNextCopy = ppsz;
352
353	cRelativePaths = 0;
354	pszIterator = *ppsz;
355	while ((pszInCur = find_next_token(&pszIterator, &cchInCur)))
356	{
357	/* is relative? */
358	#ifdef HAVE_DOS_PATHS
359	if (pszInCur[0] != '/' && pszInCur[0] != '\\' && (cchInCur < 2 \|\| pszInCur[1] != ':'))
360	#else
361	if (pszInCur[0] != '/')
362	#endif
363	{
364	PATH_VAR(szAbsPathIn);
365	PATH_VAR(szAbsPathOut);
366
367	if (pDefPath->value_length + cchInCur + 1 >= GET_PATH_MAX)
368	continue;
369
370	/* Create the abspath input. */
371	memcpy(szAbsPathIn, pDefPath->value, pDefPath->value_length);
372	szAbsPathIn[pDefPath->value_length] = '/';
373	memcpy(&szAbsPathIn[pDefPath->value_length + 1], pszInCur, cchInCur);
374	szAbsPathIn[pDefPath->value_length + 1 + cchInCur] = '\0';
375
376	if (abspath(szAbsPathIn, szAbsPathOut) != NULL)
377	{
378	const size_t cchAbsPathOut = strlen(szAbsPathOut);
379	assert(cchAbsPathOut <= pDefPath->value_length + 1 + cchInCur);
380
381	/* copy leading input */
382	if (pszInCur != pszInNextCopy)
383	{
384	const size_t cchCopy = pszInCur - pszInNextCopy;
385	memcpy(pszOutCur, pszInNextCopy, cchCopy);
386	pszOutCur += cchCopy;
387	}
388	pszInNextCopy = pszInCur + cchInCur;
389
390	/* copy out the abspath. */
391	memcpy(pszOutCur, szAbsPathOut, cchAbsPathOut);
392	pszOutCur += cchAbsPathOut;
393	}
394	}
395	}
396	/* the final copy (includes the nil). */
397	cchInCur = ppsz + pcch - pszInNextCopy;
398	memcpy(pszOutCur, pszInNextCopy, cchInCur);
399	pszOutCur += cchInCur;
400	*pszOutCur = '\0';
401	assert((size_t)(pszOutCur - pszOut) < cchOut);
402
403	/* set return values */
404	if (fCanFree)
405	free(*ppsz);
406	*ppsz = pszOut;
407	*pcch = pszOutCur - pszOut;
408	if (pcchAlloc)
409	*pcchAlloc = cchOut;
410	}
411	}
412
413
414	/**
415	* Gets a variable that must exist.
416	* Will cause a fatal failure if the variable doesn't exist.
417	*
418	* @returns Pointer to the variable.
419	* @param pszName The variable name.
420	*/
421	static struct variable *
422	kbuild_get_variable(const char *pszName)
423	{
424	#ifndef NDEBUG
425	unsigned i;
426	#endif
427	struct variable *pVar = lookup_variable(pszName, strlen(pszName));
428	if (!pVar)
429	fatal(NILF, _("variable `%s' isn't defined!"), pszName);
430	if (pVar->recursive)
431	fatal(NILF, _("variable `%s' is defined as `recursive' instead of `simple'!"), pszName);
432	#ifndef NDEBUG
433	i = strlen(pVar->value);
434	if (i != pVar->value_length)
435	{
436	printf("%d != %d %s\n", pVar->value_length, i, pVar->name);
437	# ifdef _MSC_VER
438	__debugbreak();
439	# endif
440	assert(0);
441	}
442	#endif
443	return pVar;
444	}
445
446
447	/**
448	* Gets a variable that must exist and can be recursive.
449	* Will cause a fatal failure if the variable doesn't exist.
450	*
451	* @returns Pointer to the variable.
452	* @param pszName The variable name.
453	*/
454	static struct variable *
455	kbuild_get_recursive_variable(const char *pszName)
456	{
457	#ifndef NDEBUG
458	unsigned i;
459	#endif
460	struct variable *pVar = lookup_variable(pszName, strlen(pszName));
461	if (!pVar)
462	fatal(NILF, _("variable `%s' isn't defined!"), pszName);
463	#ifndef NDEBUG
464	i = strlen(pVar->value);
465	if (i != pVar->value_length)
466	{
467	printf("%d != %d %s\n", pVar->value_length, i, pVar->name);
468	# ifdef _MSC_VER
469	__debugbreak();
470	# endif
471	assert(0);
472	}
473	#endif
474	return pVar;
475	}
476
477
478	/**
479	* Gets a variable that doesn't have to exit, but if it does can be recursive.
480	*
481	* @returns Pointer to the variable.
482	* NULL if not found.
483	* @param pszName The variable name.
484	*/
485	static struct variable *
486	kbuild_query_recursive_variable(const char *pszName)
487	{
488	#ifndef NDEBUG
489	unsigned i;
490	#endif
491	struct variable *pVar = lookup_variable(pszName, strlen(pszName));
492	if (pVar)
493	{
494	#ifndef NDEBUG
495	i = strlen(pVar->value);
496	if (i != pVar->value_length)
497	{
498	printf("%d != %d %s\n", pVar->value_length, i, pVar->name);
499	# ifdef _MSC_VER
500	__debugbreak();
501	# endif
502	assert(0);
503	}
504	#endif
505	}
506	return pVar;
507	}
508
509
510	/**
511	* Converts the specified variable into a 'simple' one.
512	* @returns pVar.
513	* @param pVar The variable.
514	*/
515	static struct variable *
516	kbuild_simplify_variable(struct variable *pVar)
517	{
518	if (memchr(pVar->value, '$', pVar->value_length))
519	{
520	char *pszExpanded = allocated_variable_expand(pVar->value);
521	free(pVar->value);
522	pVar->value = pszExpanded;
523	pVar->value_length = strlen(pVar->value);
524	pVar->value_alloc_len = pVar->value_length + 1;
525	}
526	pVar->recursive = 0;
527	return pVar;
528	}
529
530
531	/**
532	* Looks up a variable.
533	* The value_length field is valid upon successful return.
534	*
535	* @returns Pointer to the variable. NULL if not found.
536	* @param pszName The variable name.
537	*/
538	static struct variable *
539	kbuild_lookup_variable(const char *pszName)
540	{
541	struct variable *pVar = lookup_variable(pszName, strlen(pszName));
542	if (pVar)
543	{
544	#ifndef NDEBUG
545	unsigned i = strlen(pVar->value);
546	if (i != pVar->value_length)
547	{
548	printf("%d != %d %s\n", pVar->value_length, i, pVar->name);
549	# ifdef _MSC_VER
550	__debugbreak();
551	# endif
552	assert(0);
553	}
554	#endif
555	/* Make sure the variable is simple, convert it if necessary. */
556	if (pVar->recursive)
557	kbuild_simplify_variable(pVar);
558	}
559	return pVar;
560	}
561
562
563	/**
564	* Looks up a variable and applies default a path to all relative paths.
565	* The value_length field is valid upon successful return.
566	*
567	* @returns Pointer to the variable. NULL if not found.
568	* @param pDefPath The default path.
569	* @param pszName The variable name.
570	*/
571	static struct variable *
572	kbuild_lookup_variable_defpath(struct variable pDefPath, const char pszName)
573	{
574	struct variable *pVar = kbuild_lookup_variable(pszName);
575	if (pVar && pDefPath)
576	kbuild_apply_defpath(pDefPath, &pVar->value, &pVar->value_length, &pVar->value_alloc_len, 1);
577	return pVar;
578	}
579
580
581	/** Same as kbuild_lookup_variable except that a '%s' in the name string
582	* will be substituted with the values of the variables in the va list. */
583	static struct variable *
584	kbuild_lookup_variable_fmt_va(struct variable pDefPath, const char pszNameFmt, va_list va)
585	{
586	va_list va2;
587	size_t cchName;
588	const char *pszFmt;
589	char *pszName;
590	char *psz;
591
592	/* first pass, calc value name size and allocate stack buffer. */
593	va_copy(va2, va);
594
595	cchName = strlen(pszNameFmt) + 1;
596	pszFmt = strchr(pszNameFmt, '%');
597	while (pszFmt)
598	{
599	struct variable pVar = va_arg(va, struct variable );
600	if (pVar)
601	cchName += pVar->value_length;
602	pszFmt = strchr(pszFmt + 1, '%');
603	}
604	pszName = alloca(cchName);
605
606	/* second pass format it. */
607	pszFmt = pszNameFmt;
608	psz = pszName;
609	for (;;)
610	{
611	char ch = *pszFmt++;
612	if (ch != '%')
613	{
614	*psz++ = ch;
615	if (!ch)
616	break;
617	}
618	else
619	{
620	struct variable pVar = va_arg(va2, struct variable );
621	if (pVar)
622	{
623	memcpy(psz, pVar->value, pVar->value_length);
624	psz += pVar->value_length;
625	}
626	}
627	}
628	va_end(va2);
629
630	if (pDefPath)
631	return kbuild_lookup_variable_defpath(pDefPath, pszName);
632	return kbuild_lookup_variable(pszName);
633	}
634
635
636	/** Same as kbuild_lookup_variable except that a '%s' in the name string
637	* will be substituted with the values of the variables in the ellipsis. */
638	static struct variable *
639	kbuild_lookup_variable_fmt(struct variable pDefPath, const char pszNameFmt, ...)
640	{
641	struct variable *pVar;
642	va_list va;
643	va_start(va, pszNameFmt);
644	pVar = kbuild_lookup_variable_fmt_va(pDefPath, pszNameFmt, va);
645	va_end(va);
646	return pVar;
647	}
648
649
650	/**
651	* Gets the first defined property variable.
652	*/
653	static struct variable *
654	kbuild_first_prop(struct variable pTarget, struct variable pSource,
655	struct variable pTool, struct variable pType,
656	struct variable pBldTrg, struct variable pBldTrgArch,
657	const char pszPropF1, const char pszPropF2, const char *pszVarName)
658	{
659	struct variable *pVar;
660	struct variable PropF1, PropF2;
661
662	PropF1.value = (char *)pszPropF1;
663	PropF1.value_length = strlen(pszPropF1);
664
665	PropF2.value = (char *)pszPropF2;
666	PropF2.value_length = strlen(pszPropF2);
667
668	if ( (pVar = kbuild_lookup_variable_fmt(NULL, "%_%_%%.%.%",pTarget, pSource, pType, &PropF2, pBldTrg, pBldTrgArch))
669	\|\| (pVar = kbuild_lookup_variable_fmt(NULL, "%_%_%%.%", pTarget, pSource, pType, &PropF2, pBldTrg))
670	\|\| (pVar = kbuild_lookup_variable_fmt(NULL, "%_%_%%", pTarget, pSource, pType, &PropF2))
671	\|\| (pVar = kbuild_lookup_variable_fmt(NULL, "%_%_%.%.%", pTarget, pSource, &PropF2, pBldTrg, pBldTrgArch))
672	\|\| (pVar = kbuild_lookup_variable_fmt(NULL, "%_%_%.%", pTarget, pSource, &PropF2, pBldTrg))
673	\|\| (pVar = kbuild_lookup_variable_fmt(NULL, "%_%_%", pTarget, pSource, &PropF2))
674	\|\| (pVar = kbuild_lookup_variable_fmt(NULL, "%_%%.%.%", pSource, pType, &PropF2, pBldTrg, pBldTrgArch))
675	\|\| (pVar = kbuild_lookup_variable_fmt(NULL, "%_%%.%", pSource, pType, &PropF2, pBldTrg))
676	\|\| (pVar = kbuild_lookup_variable_fmt(NULL, "%_%%", pSource, pType, &PropF2))
677	\|\| (pVar = kbuild_lookup_variable_fmt(NULL, "%_%.%.%", pSource, &PropF2, pBldTrg, pBldTrgArch))
678	\|\| (pVar = kbuild_lookup_variable_fmt(NULL, "%_%.%", pSource, &PropF2, pBldTrg))
679	\|\| (pVar = kbuild_lookup_variable_fmt(NULL, "%_%", pSource, &PropF2))
680	\|\| (pVar = kbuild_lookup_variable_fmt(NULL, "%_%%.%.%", pTarget, pType, &PropF2, pBldTrg, pBldTrgArch))
681	\|\| (pVar = kbuild_lookup_variable_fmt(NULL, "%_%%.%", pTarget, pType, &PropF2, pBldTrg))
682	\|\| (pVar = kbuild_lookup_variable_fmt(NULL, "%_%%", pTarget, pType, &PropF2))
683	\|\| (pVar = kbuild_lookup_variable_fmt(NULL, "%_%.%.%", pTarget, &PropF2, pBldTrg, pBldTrgArch))
684	\|\| (pVar = kbuild_lookup_variable_fmt(NULL, "%_%.%", pTarget, &PropF2, pBldTrg))
685	\|\| (pVar = kbuild_lookup_variable_fmt(NULL, "%_%", pTarget, &PropF2))
686
687	\|\| (pTool && (pVar = kbuild_lookup_variable_fmt(NULL, "TOOL_%_%%.%.%", pTool, pType, &PropF2, pBldTrg, pBldTrgArch)))
688	\|\| (pTool && (pVar = kbuild_lookup_variable_fmt(NULL, "TOOL_%_%%.%", pTool, pType, &PropF2, pBldTrg)))
689	\|\| (pTool && (pVar = kbuild_lookup_variable_fmt(NULL, "TOOL_%_%%", pTool, pType, &PropF2)))
690	\|\| (pTool && (pVar = kbuild_lookup_variable_fmt(NULL, "TOOL_%_%.%.%", pTool, &PropF2, pBldTrg, pBldTrgArch)))
691	\|\| (pTool && (pVar = kbuild_lookup_variable_fmt(NULL, "TOOL_%_%.%", pTool, &PropF2, pBldTrg)))
692	\|\| (pTool && (pVar = kbuild_lookup_variable_fmt(NULL, "TOOL_%_%", pTool, &PropF2)))
693
694	\|\| (pVar = kbuild_lookup_variable_fmt(NULL, "%%.%.%", pType, &PropF1, pBldTrg, pBldTrgArch))
695	\|\| (pVar = kbuild_lookup_variable_fmt(NULL, "%%.%", pType, &PropF1, pBldTrg))
696	\|\| (pVar = kbuild_lookup_variable_fmt(NULL, "%%", pType, &PropF1))
697	\|\| (pVar = kbuild_lookup_variable_fmt(NULL, "%.%.%", &PropF1, pBldTrg, pBldTrgArch))
698	\|\| (pVar = kbuild_lookup_variable_fmt(NULL, "%.%", &PropF1, pBldTrg))
699	\|\| (pVar = kbuild_lookup_variable(pszPropF1))
700	)
701	{
702	/* strip it */
703	char *psz = pVar->value;
704	char *pszEnd = psz + pVar->value_length;
705	while (isblank((unsigned char)*psz))
706	psz++;
707	while (pszEnd > psz && isblank((unsigned char)pszEnd[-1]))
708	pszEnd--;
709	if (pszEnd > psz)
710	{
711	char chSaved = *pszEnd;
712	*pszEnd = '\0';
713	pVar = define_variable_vl(pszVarName, strlen(pszVarName), psz, pszEnd - psz,
714	1 /* duplicate /, o_file, 0 / !recursive */);
715	*pszEnd = chSaved;
716	if (pVar)
717	return pVar;
718	}
719	}
720	return NULL;
721	}
722
723
724	/*
725	_SOURCE_TOOL = $(strip $(firstword \
726	$($(target)_$(source)_$(type)TOOL.$(bld_trg).$(bld_trg_arch)) \
727	$($(target)_$(source)_$(type)TOOL.$(bld_trg)) \
728	$($(target)_$(source)_$(type)TOOL) \
729	$($(target)_$(source)_TOOL.$(bld_trg).$(bld_trg_arch)) \
730	$($(target)_$(source)_TOOL.$(bld_trg)) \
731	$($(target)_$(source)_TOOL) \
732	$($(source)_$(type)TOOL.$(bld_trg).$(bld_trg_arch)) \
733	$($(source)_$(type)TOOL.$(bld_trg)) \
734	$($(source)_$(type)TOOL) \
735	$($(source)_TOOL.$(bld_trg).$(bld_trg_arch)) \
736	$($(source)_TOOL.$(bld_trg)) \
737	$($(source)_TOOL) \
738	$($(target)_$(type)TOOL.$(bld_trg).$(bld_trg_arch)) \
739	$($(target)_$(type)TOOL.$(bld_trg)) \
740	$($(target)_$(type)TOOL) \
741	$($(target)_TOOL.$(bld_trg).$(bld_trg_arch)) \
742	$($(target)_TOOL.$(bld_trg)) \
743	$($(target)_TOOL) \
744	$($(type)TOOL.$(bld_trg).$(bld_trg_arch)) \
745	$($(type)TOOL.$(bld_trg)) \
746	$($(type)TOOL) \
747	$(TOOL.$(bld_trg).$(bld_trg_arch)) \
748	$(TOOL.$(bld_trg)) \
749	$(TOOL) ))
750	*/
751	static struct variable *
752	kbuild_get_source_tool(struct variable pTarget, struct variable pSource, struct variable *pType,
753	struct variable pBldTrg, struct variable pBldTrgArch, const char *pszVarName)
754	{
755	struct variable *pVar = kbuild_first_prop(pTarget, pSource, NULL, pType, pBldTrg, pBldTrgArch,
756	"TOOL", "TOOL", pszVarName);
757	if (!pVar)
758	fatal(NILF, _("no tool for source `%s' in target `%s'!"), pSource->value, pTarget->value);
759	return pVar;
760	}
761
762
763	/* Implements _SOURCE_TOOL. */
764	char *
765	func_kbuild_source_tool(char o, char argv, const char pszFuncName)
766	{
767	struct variable *pVar = kbuild_get_source_tool(kbuild_get_variable("target"),
768	kbuild_get_variable("source"),
769	kbuild_get_variable("type"),
770	kbuild_get_variable("bld_trg"),
771	kbuild_get_variable("bld_trg_arch"),
772	argv[0]);
773	if (pVar)
774	o = variable_buffer_output(o, pVar->value, pVar->value_length);
775	return o;
776
777	}
778
779
780	/* This has been extended a bit, it's now identical to _SOURCE_TOOL.
781	$(firstword \
782	$($(target)_$(source)_OBJSUFF.$(bld_trg).$(bld_trg_arch))\
783	$($(target)_$(source)_OBJSUFF.$(bld_trg))\
784	$($(target)_$(source)_OBJSUFF)\
785	$($(source)_OBJSUFF.$(bld_trg).$(bld_trg_arch))\
786	$($(source)_OBJSUFF.$(bld_trg))\
787	$($(source)_OBJSUFF)\
788	$($(target)_OBJSUFF.$(bld_trg).$(bld_trg_arch))\
789	$($(target)_OBJSUFF.$(bld_trg))\
790	$($(target)_OBJSUFF)\
791	$(TOOL_$(tool)_$(type)OBJSUFF.$(bld_trg).$(bld_trg_arch))\
792	$(TOOL_$(tool)_$(type)OBJSUFF.$(bld_trg))\
793	$(TOOL_$(tool)_$(type)OBJSUFF)\
794	$(SUFF_OBJ))
795	*/
796	static struct variable *
797	kbuild_get_object_suffix(struct variable pTarget, struct variable pSource,
798	struct variable pTool, struct variable pType,
799	struct variable pBldTrg, struct variable pBldTrgArch, const char *pszVarName)
800	{
801	struct variable *pVar = kbuild_first_prop(pTarget, pSource, pTool, pType, pBldTrg, pBldTrgArch,
802	"SUFF_OBJ", "OBJSUFF", pszVarName);
803	if (!pVar)
804	fatal(NILF, _("no OBJSUFF attribute or SUFF_OBJ default for source `%s' in target `%s'!"), pSource->value, pTarget->value);
805	return pVar;
806	}
807
808
809	/* */
810	char *
811	func_kbuild_object_suffix(char o, char argv, const char pszFuncName)
812	{
813	struct variable *pVar = kbuild_get_object_suffix(kbuild_get_variable("target"),
814	kbuild_get_variable("source"),
815	kbuild_get_variable("tool"),
816	kbuild_get_variable("type"),
817	kbuild_get_variable("bld_trg"),
818	kbuild_get_variable("bld_trg_arch"),
819	argv[0]);
820	if (pVar)
821	o = variable_buffer_output(o, pVar->value, pVar->value_length);
822	return o;
823
824	}
825
826
827	/*
828	## Figure out where to put object files.
829	# @param $1 source file
830	# @param $2 normalized main target
831	# @remark There are two major hacks here:
832	# 1. Source files in the output directory are translated into a gen/ subdir.
833	# 2. Catch anyone specifying $(PATH_SUB_CURRENT)/sourcefile.c.
834	_OBJECT_BASE = $(PATH_TARGET)/$(2)/$(call no-root-slash,$(call no-drive,$(basename \
835	$(patsubst $(PATH_ROOT)/%,%,$(patsubst $(PATH_SUB_CURRENT)/%,%,$(patsubst $(PATH_TARGET)/$(2)/%,gen/%,$(1)))))))
836	*/
837	static struct variable *
838	kbuild_get_object_base(struct variable pTarget, struct variable pSource, const char *pszVarName)
839	{
840	struct variable *pPathTarget = kbuild_get_variable("PATH_TARGET");
841	struct variable *pPathRoot = kbuild_get_variable("PATH_ROOT");
842	struct variable *pPathSubCur = kbuild_get_variable("PATH_SUB_CURRENT");
843	const char *pszSrcPrefix = NULL;
844	size_t cchSrcPrefix = 0;
845	const char *pszSrcEnd;
846	char *pszSrc;
847	char *pszResult;
848	char *psz;
849	size_t cch;
850
851	/*
852	* Strip the source filename of any uncessary leading path and root specs.
853	*/
854	/* */
855	if ( pSource->value_length > pPathTarget->value_length
856	&& !strncmp(pSource->value, pPathTarget->value, pPathTarget->value_length))
857	{
858	pszSrc = pSource->value + pPathTarget->value_length;
859	pszSrcPrefix = "gen/";
860	cchSrcPrefix = sizeof("gen/") - 1;
861	if ( *pszSrc == '/'
862	&& !strncmp(pszSrc + 1, pTarget->value, pTarget->value_length)
863	&& ( pszSrc[pTarget->value_length + 1] == '/'
864	\|\| pszSrc[pTarget->value_length + 1] == '\0'))
865	pszSrc += 1 + pTarget->value_length;
866	}
867	else if ( pSource->value_length > pPathRoot->value_length
868	&& !strncmp(pSource->value, pPathRoot->value, pPathRoot->value_length))
869	{
870	pszSrc = pSource->value + pPathRoot->value_length;
871	if ( *pszSrc == '/'
872	&& !strncmp(pszSrc + 1, pPathSubCur->value, pPathSubCur->value_length)
873	&& ( pszSrc[pPathSubCur->value_length + 1] == '/'
874	\|\| pszSrc[pPathSubCur->value_length + 1] == '\0'))
875	pszSrc += 1 + pPathSubCur->value_length;
876	}
877	else
878	pszSrc = pSource->value;
879
880	/* skip root specification */
881	#ifdef HAVE_DOS_PATHS
882	if (isalpha(pszSrc[0]) && pszSrc[1] == ':')
883	pszSrc += 2;
884	#endif
885	while (*pszSrc == '/'
886	#ifdef HAVE_DOS_PATHS
887	\|\| *pszSrc == '\\'
888	#endif
889	)
890	pszSrc++;
891
892	/* drop the source extension. */
893	pszSrcEnd = pSource->value + pSource->value_length;
894	for (;;)
895	{
896	pszSrcEnd--;
897	if ( pszSrcEnd <= pszSrc
898	\|\| *pszSrcEnd == '/'
899	#ifdef HAVE_DOS_PATHS
900	\|\| *pszSrcEnd == '\\'
901	\|\| *pszSrcEnd == ':'
902	#endif
903	)
904	{
905	pszSrcEnd = pSource->value + pSource->value_length;
906	break;
907	}
908	if (*pszSrcEnd == '.')
909	break;
910	}
911
912	/*
913	* Assemble the string on the stack and define the objbase variable
914	* which we then return.
915	*/
916	cch = pPathTarget->value_length
917	+ 1 /* slash */
918	+ pTarget->value_length
919	+ 1 /* slash */
920	+ cchSrcPrefix
921	+ pszSrcEnd - pszSrc
922	+ 1;
923	psz = pszResult = xmalloc(cch);
924
925	memcpy(psz, pPathTarget->value, pPathTarget->value_length); psz += pPathTarget->value_length;
926	*psz++ = '/';
927	memcpy(psz, pTarget->value, pTarget->value_length); psz += pTarget->value_length;
928	*psz++ = '/';
929	if (pszSrcPrefix)
930	{
931	memcpy(psz, pszSrcPrefix, cchSrcPrefix);
932	psz += cchSrcPrefix;
933	}
934	memcpy(psz, pszSrc, pszSrcEnd - pszSrc); psz += pszSrcEnd - pszSrc;
935	*psz = '\0';
936
937	/*
938	* Define the variable in the current set and return it.
939	*/
940	return define_variable_vl(pszVarName, strlen(pszVarName), pszResult, cch - 1,
941	0 /* use pszResult /, o_file, 0 / !recursive */);
942	}
943
944
945	/* Implements _OBJECT_BASE. */
946	char *
947	func_kbuild_object_base(char o, char argv, const char pszFuncName)
948	{
949	struct variable *pVar = kbuild_get_object_base(kbuild_lookup_variable("target"),
950	kbuild_lookup_variable("source"),
951	argv[0]);
952	if (pVar)
953	o = variable_buffer_output(o, pVar->value, pVar->value_length);
954	return o;
955
956	}
957
958
959	struct kbuild_sdks
960	{
961	char *apsz[4];
962	struct variable *pa;
963	unsigned c;
964	unsigned iGlobal;
965	unsigned cGlobal;
966	unsigned iTarget;
967	unsigned cTarget;
968	unsigned iSource;
969	unsigned cSource;
970	unsigned iTargetSource;
971	unsigned cTargetSource;
972	};
973
974
975	/* Fills in the SDK struct (remember to free it). */
976	static void
977	kbuild_get_sdks(struct kbuild_sdks pSdks, struct variable pTarget, struct variable *pSource,
978	struct variable pBldType, struct variable pBldTrg, struct variable *pBldTrgArch)
979	{
980	int i, j;
981	size_t cchTmp, cch;
982	char *pszTmp;
983	unsigned cchCur;
984	char *pszCur;
985	const char *pszIterator;
986
987	/* basic init. */
988	pSdks->pa = NULL;
989	pSdks->c = 0;
990	i = 0;
991
992	/* determin required tmp variable name space. */
993	cchTmp = sizeof("$(__SDKS) $(__SDKS.) $(__SDKS.) $(__SDKS.) $(__SDKS..)")
994	+ (pTarget->value_length + pSource->value_length) * 5
995	+ pBldType->value_length
996	+ pBldTrg->value_length
997	+ pBldTrgArch->value_length
998	+ pBldTrg->value_length + pBldTrgArch->value_length;
999	pszTmp = alloca(cchTmp);
1000
1001	/* the global sdks. */
1002	pSdks->iGlobal = i;
1003	pSdks->cGlobal = 0;
1004	sprintf(pszTmp, "$(SDKS) $(SDKS.%s) $(SDKS.%s) $(SDKS.%s) $(SDKS.%s.%s)",
1005	pBldType->value,
1006	pBldTrg->value,
1007	pBldTrgArch->value,
1008	pBldTrg->value, pBldTrgArch->value);
1009	pszIterator = pSdks->apsz[0] = allocated_variable_expand(pszTmp);
1010	while ((pszCur = find_next_token(&pszIterator, &cchCur)) != 0)
1011	pSdks->cGlobal++;
1012	i += pSdks->cGlobal;
1013
1014	/* the target sdks.*/
1015	pSdks->iTarget = i;
1016	pSdks->cTarget = 0;
1017	sprintf(pszTmp, "$(%s_SDKS) $(%s_SDKS.%s) $(%s_SDKS.%s) $(%s_SDKS.%s) $(%s_SDKS.%s.%s)",
1018	pTarget->value,
1019	pTarget->value, pBldType->value,
1020	pTarget->value, pBldTrg->value,
1021	pTarget->value, pBldTrgArch->value,
1022	pTarget->value, pBldTrg->value, pBldTrgArch->value);
1023	pszIterator = pSdks->apsz[1] = allocated_variable_expand(pszTmp);
1024	while ((pszCur = find_next_token(&pszIterator, &cchCur)) != 0)
1025	pSdks->cTarget++;
1026	i += pSdks->cTarget;
1027
1028	/* the source sdks.*/
1029	pSdks->iSource = i;
1030	pSdks->cSource = 0;
1031	sprintf(pszTmp, "$(%s_SDKS) $(%s_SDKS.%s) $(%s_SDKS.%s) $(%s_SDKS.%s) $(%s_SDKS.%s.%s)",
1032	pSource->value,
1033	pSource->value, pBldType->value,
1034	pSource->value, pBldTrg->value,
1035	pSource->value, pBldTrgArch->value,
1036	pSource->value, pBldTrg->value, pBldTrgArch->value);
1037	pszIterator = pSdks->apsz[2] = allocated_variable_expand(pszTmp);
1038	while ((pszCur = find_next_token(&pszIterator, &cchCur)) != 0)
1039	pSdks->cSource++;
1040	i += pSdks->cSource;
1041
1042	/* the target + source sdks. */
1043	pSdks->iTargetSource = i;
1044	pSdks->cTargetSource = 0;
1045	cch = sprintf(pszTmp, "$(%s_%s_SDKS) $(%s_%s_SDKS.%s) $(%s_%s_SDKS.%s) $(%s_%s_SDKS.%s) $(%s_%s_SDKS.%s.%s)",
1046	pTarget->value, pSource->value,
1047	pTarget->value, pSource->value, pBldType->value,
1048	pTarget->value, pSource->value, pBldTrg->value,
1049	pTarget->value, pSource->value, pBldTrgArch->value,
1050	pTarget->value, pSource->value, pBldTrg->value, pBldTrgArch->value);
1051	assert(cch < cchTmp); (void)cch;
1052	pszIterator = pSdks->apsz[3] = allocated_variable_expand(pszTmp);
1053	while ((pszCur = find_next_token(&pszIterator, &cchCur)) != 0)
1054	pSdks->cTargetSource++;
1055	i += pSdks->cTargetSource;
1056
1057	pSdks->c = i;
1058	if (!i)
1059	return;
1060
1061	/*
1062	* Allocate the variable array and create the variables.
1063	*/
1064	pSdks->pa = (struct variable )xmalloc(sizeof(pSdks->pa[0]) i);
1065	memset(pSdks->pa, 0, sizeof(pSdks->pa[0]) * i);
1066	for (i = j = 0; j < sizeof(pSdks->apsz) / sizeof(pSdks->apsz[0]); j++)
1067	{
1068	int k = i;
1069	pszIterator = pSdks->apsz[j];
1070	while ((pszCur = find_next_token(&pszIterator, &cchCur)) != 0)
1071	{
1072	pSdks->pa[i].value = pszCur;
1073	pSdks->pa[i].value_length = cchCur;
1074	i++;
1075	}
1076	}
1077	assert(i == pSdks->c);
1078
1079	/* terminate them (find_next_token won't work if we terminate them in the previous loop). */
1080	while (i-- > 0)
1081	pSdks->pa[i].value[pSdks->pa[i].value_length] = '\0';
1082	}
1083
1084
1085	/* releases resources allocated in the kbuild_get_sdks. */
1086	static void
1087	kbuild_put_sdks(struct kbuild_sdks *pSdks)
1088	{
1089	unsigned j;
1090	for (j = 0; j < sizeof(pSdks->apsz) / sizeof(pSdks->apsz[0]); j++)
1091	free(pSdks->apsz[j]);
1092	free(pSdks->pa);
1093	}
1094
1095
1096	/* this kind of stuff:
1097
1098	defs := $(kb-src-exp defs)
1099	$(TOOL_$(tool)_DEFS)\
1100	$(TOOL_$(tool)_DEFS.$(bld_type))\
1101	$(TOOL_$(tool)_DEFS.$(bld_trg))\
1102	$(TOOL_$(tool)_DEFS.$(bld_trg_arch))\
1103	$(TOOL_$(tool)_DEFS.$(bld_trg).$(bld_trg_arch))\
1104	$(TOOL_$(tool)_DEFS.$(bld_trg_cpu))\
1105	$(TOOL_$(tool)_$(type)DEFS)\
1106	$(TOOL_$(tool)_$(type)DEFS.$(bld_type))\
1107	$(foreach sdk, $(SDKS.$(bld_trg)) \
1108	$(SDKS.$(bld_trg).$(bld_trg_arch)) \
1109	$(SDKS.$(bld_type)) \
1110	$(SDKS),\
1111	$(SDK_$(sdk)_DEFS)\
1112	$(SDK_$(sdk)_DEFS.$(bld_type))\
1113	$(SDK_$(sdk)_DEFS.$(bld_trg))\
1114	$(SDK_$(sdk)_DEFS.$(bld_trg_arch))\
1115	$(SDK_$(sdk)_DEFS.$(bld_trg).$(bld_trg_arch))\
1116	$(SDK_$(sdk)_DEFS.$(bld_trg_cpu))\
1117	$(SDK_$(sdk)_$(type)DEFS)\
1118	$(SDK_$(sdk)_$(type)DEFS.$(bld_type))\
1119	$(SDK_$(sdk)_$(type)DEFS.$(bld_trg))\
1120	$(SDK_$(sdk)_$(type)DEFS.$(bld_trg_arch))\
1121	$(SDK_$(sdk)_$(type)DEFS.$(bld_trg).$(bld_trg_arch))\
1122	$(SDK_$(sdk)_$(type)DEFS.$(bld_trg_cpu)))\
1123	$(DEFS)\
1124	$(DEFS.$(bld_type))\
1125	$(DEFS.$(bld_trg))\
1126	$(DEFS.$(bld_trg_arch))\
1127	$(DEFS.$(bld_trg).$(bld_trg_arch))\
1128	$(DEFS.$(bld_trg_cpu))\
1129	$($(type)DEFS)\
1130	$($(type)DEFS.$(bld_type))\
1131	$($(type)DEFS.$(bld_trg))\
1132	$($(type)DEFS.$(bld_trg_arch))\
1133	$($(type)DEFS.$(bld_trg).$(bld_trg_arch))\
1134	$($(type)DEFS.$(bld_trg_cpu))\
1135	$(foreach sdk, $($(target)_SDKS.$(bld_trg)) \
1136	$($(target)_SDKS.$(bld_trg).$(bld_trg_arch)) \
1137	$($(target)_SDKS.$(bld_type)) \
1138	$($(target)_SDKS),\
1139	$(SDK_$(sdk)_DEFS)\
1140	$(SDK_$(sdk)_DEFS.$(bld_type))\
1141	$(SDK_$(sdk)_DEFS.$(bld_trg))\
1142	$(SDK_$(sdk)_DEFS.$(bld_trg_arch))\
1143	$(SDK_$(sdk)_DEFS.$(bld_trg).$(bld_trg_arch))\
1144	$(SDK_$(sdk)_DEFS.$(bld_trg_cpu))\
1145	$(SDK_$(sdk)_$(type)DEFS)\
1146	$(SDK_$(sdk)_$(type)DEFS.$(bld_type))\
1147	$(SDK_$(sdk)_$(type)DEFS.$(bld_trg))\
1148	$(SDK_$(sdk)_$(type)DEFS.$(bld_trg_arch))\
1149	$(SDK_$(sdk)_$(type)DEFS.$(bld_trg).$(bld_trg_arch))\
1150	$(SDK_$(sdk)_$(type)DEFS.$(bld_trg_cpu)))\
1151	$($(target)_DEFS)\
1152	$($(target)_DEFS.$(bld_type))\
1153	$($(target)_DEFS.$(bld_trg))\
1154	$($(target)_DEFS.$(bld_trg_arch))\
1155	$($(target)_DEFS.$(bld_trg).$(bld_trg_arch))\
1156	$($(target)_DEFS.$(bld_trg_cpu))\
1157	$($(target)_$(type)DEFS)\
1158	$($(target)_$(type)DEFS.$(bld_type))\
1159	$($(target)_$(type)DEFS.$(bld_trg))\
1160	$($(target)_$(type)DEFS.$(bld_trg_arch))\
1161	$($(target)_$(type)DEFS.$(bld_trg).$(bld_trg_arch))\
1162	$($(target)_$(type)DEFS.$(bld_trg_cpu))\
1163	$(foreach sdk, $($(source)_SDKS.$(bld_trg)) \
1164	$($(source)_SDKS.$(bld_trg).$(bld_trg_arch)) \
1165	$($(source)_SDKS.$(bld_type)) \
1166	$($(source)_SDKS),\
1167	$(SDK_$(sdk)_DEFS)\
1168	$(SDK_$(sdk)_DEFS.$(bld_type))\
1169	$(SDK_$(sdk)_DEFS.$(bld_trg))\
1170	$(SDK_$(sdk)_DEFS.$(bld_trg_arch))\
1171	$(SDK_$(sdk)_DEFS.$(bld_trg).$(bld_trg_arch))\
1172	$(SDK_$(sdk)_DEFS.$(bld_trg_cpu))\
1173	$(SDK_$(sdk)_$(type)DEFS)\
1174	$(SDK_$(sdk)_$(type)DEFS.$(bld_type))\
1175	$(SDK_$(sdk)_$(type)DEFS.$(bld_trg))\
1176	$(SDK_$(sdk)_$(type)DEFS.$(bld_trg_arch))\
1177	$(SDK_$(sdk)_$(type)DEFS.$(bld_trg).$(bld_trg_arch))\
1178	$(SDK_$(sdk)_$(type)DEFS.$(bld_trg_cpu)))\
1179	$($(source)_DEFS)\
1180	$($(source)_DEFS.$(bld_type))\
1181	$($(source)_DEFS.$(bld_trg))\
1182	$($(source)_DEFS.$(bld_trg_arch))\
1183	$($(source)_DEFS.$(bld_trg).$(bld_trg_arch))\
1184	$($(source)_DEFS.$(bld_trg_cpu))\
1185	$($(source)_$(type)DEFS)\
1186	$($(source)_$(type)DEFS.$(bld_type))\
1187	$($(source)_$(type)DEFS.$(bld_trg))\
1188	$($(source)_$(type)DEFS.$(bld_trg_arch))\
1189	$($(source)_$(type)DEFS.$(bld_trg).$(bld_trg_arch))\
1190	$($(source)_$(type)DEFS.$(bld_trg_cpu))\
1191	$(foreach sdk, $($(target)_$(source)_SDKS.$(bld_trg)) \
1192	$($(target)_$(source)_SDKS.$(bld_trg).$(bld_trg_arch)) \
1193	$($(target)_$(source)_SDKS.$(bld_type)) \
1194	$($(target)_$(source)_SDKS),\
1195	$(SDK_$(sdk)_DEFS)\
1196	$(SDK_$(sdk)_DEFS.$(bld_type))\
1197	$(SDK_$(sdk)_DEFS.$(bld_trg))\
1198	$(SDK_$(sdk)_DEFS.$(bld_trg_arch))\
1199	$(SDK_$(sdk)_DEFS.$(bld_trg).$(bld_trg_arch))\
1200	$(SDK_$(sdk)_DEFS.$(bld_trg_cpu))\
1201	$(SDK_$(sdk)_$(type)DEFS)\
1202	$(SDK_$(sdk)_$(type)DEFS.$(bld_type))\
1203	$(SDK_$(sdk)_$(type)DEFS.$(bld_trg))\
1204	$(SDK_$(sdk)_$(type)DEFS.$(bld_trg_arch))\
1205	$(SDK_$(sdk)_$(type)DEFS.$(bld_trg).$(bld_trg_arch))\
1206	$(SDK_$(sdk)_$(type)DEFS.$(bld_trg_cpu)))\
1207	$($(target)_$(source)_DEFS)\
1208	$($(target)_$(source)_DEFS.$(bld_type))\
1209	$($(target)_$(source)_DEFS.$(bld_trg))\
1210	$($(target)_$(source)_DEFS.$(bld_trg_arch))\
1211	$($(target)_$(source)_DEFS.$(bld_trg).$(bld_trg_arch))\
1212	$($(target)_$(source)_DEFS.$(bld_trg_cpu))\
1213	$($(target)_$(source)_$(type)DEFS)\
1214	$($(target)_$(source)_$(type)DEFS.$(bld_type))\
1215	$($(target)_$(source)_$(type)DEFS.$(bld_trg))\
1216	$($(target)_$(source)_$(type)DEFS.$(bld_trg_arch))\
1217	$($(target)_$(source)_$(type)DEFS.$(bld_trg).$(bld_trg_arch))\
1218	$($(target)_$(source)_$(type)DEFS.$(bld_trg_cpu))
1219	*/
1220	static struct variable *
1221	kbuild_collect_source_prop(struct variable pTarget, struct variable pSource,
1222	struct variable pTool, struct kbuild_sdks pSdks,
1223	struct variable pType, struct variable pBldType,
1224	struct variable pBldTrg, struct variable pBldTrgArch, struct variable *pBldTrgCpu,
1225	struct variable *pDefPath,
1226	const char pszProp, const char pszVarName, int iDirection)
1227	{
1228	struct variable *pVar;
1229	unsigned iSdk, iSdkEnd;
1230	int cVars, iVar, iVarEnd;
1231	size_t cchTotal;
1232	char pszResult, psz;
1233	struct
1234	{
1235	struct variable *pVar;
1236	int cchExp;
1237	char *pszExp;
1238	} *paVars;
1239
1240	struct variable Prop = {0};
1241	Prop.value = (char *)pszProp;
1242	Prop.value_length = strlen(pszProp);
1243
1244	assert(iDirection == 1 \|\| iDirection == -1);
1245
1246	/*
1247	* Get the variables.
1248	*/
1249	cVars = 12 * (pSdks->c + 5);
1250	paVars = alloca(cVars * sizeof(paVars[0]));
1251
1252	iVar = 0;
1253	/* the tool (lowest priority) */
1254	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "TOOL_%_%", pTool, &Prop);
1255	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "TOOL_%_%.%", pTool, &Prop, pBldType);
1256	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "TOOL_%_%.%", pTool, &Prop, pBldTrg);
1257	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "TOOL_%_%.%", pTool, &Prop, pBldTrgArch);
1258	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "TOOL_%_%.%.%", pTool, &Prop, pBldTrg, pBldTrgArch);
1259	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "TOOL_%_%.%", pTool, &Prop, pBldTrgCpu);
1260
1261	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "TOOL_%_%%", pTool, pType, &Prop);
1262	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "TOOL_%_%%.%", pTool, pType, &Prop, pBldType);
1263	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "TOOL_%_%%.%", pTool, pType, &Prop, pBldTrg);
1264	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "TOOL_%_%%.%", pTool, pType, &Prop, pBldTrgArch);
1265	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "TOOL_%_%%.%.%", pTool, pType, &Prop, pBldTrg, pBldTrgArch);
1266	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "TOOL_%_%%.%", pTool, pType, &Prop, pBldTrgCpu);
1267
1268	/* the global sdks */
1269	iSdkEnd = iDirection == 1 ? pSdks->iGlobal + pSdks->cGlobal : pSdks->iGlobal - 1;
1270	for (iSdk = iDirection == 1 ? pSdks->iGlobal : pSdks->iGlobal + pSdks->cGlobal - 1;
1271	iSdk != iSdkEnd;
1272	iSdk += iDirection)
1273	{
1274	struct variable *pSdk = &pSdks->pa[iSdk];
1275	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "SDK_%_%", pSdk, &Prop);
1276	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "SDK_%_%.%", pSdk, &Prop, pBldType);
1277	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "SDK_%_%.%", pSdk, &Prop, pBldTrg);
1278	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "SDK_%_%.%", pSdk, &Prop, pBldTrgArch);
1279	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "SDK_%_%.%.%", pSdk, &Prop, pBldTrg, pBldTrgArch);
1280	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "SDK_%_%.%", pSdk, &Prop, pBldTrgCpu);
1281
1282	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "SDK_%_%%", pSdk, pType, &Prop);
1283	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "SDK_%_%%.%", pSdk, pType, &Prop, pBldType);
1284	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "SDK_%_%%.%", pSdk, pType, &Prop, pBldTrg);
1285	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "SDK_%_%%.%", pSdk, pType, &Prop, pBldTrgArch);
1286	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "SDK_%_%%.%.%", pSdk, pType, &Prop, pBldTrg, pBldTrgArch);
1287	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "SDK_%_%%.%", pSdk, pType, &Prop, pBldTrgCpu);
1288	}
1289
1290	/* the globals */
1291	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "%", &Prop);
1292	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "%.%", &Prop, pBldType);
1293	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "%.%", &Prop, pBldTrg);
1294	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "%.%", &Prop, pBldTrgArch);
1295	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "%.%.%", &Prop, pBldTrg, pBldTrgArch);
1296	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "%.%", &Prop, pBldTrgCpu);
1297
1298	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "%%", pType, &Prop);
1299	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "%%.%", pType, &Prop, pBldType);
1300	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "%%.%", pType, &Prop, pBldTrg);
1301	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "%%.%", pType, &Prop, pBldTrgArch);
1302	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "%%.%.%", pType, &Prop, pBldTrg, pBldTrgArch);
1303	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "%%.%", pType, &Prop, pBldTrgCpu);
1304
1305	/* the target sdks */
1306	iSdkEnd = iDirection == 1 ? pSdks->iTarget + pSdks->cTarget : pSdks->iTarget - 1;
1307	for (iSdk = iDirection == 1 ? pSdks->iTarget : pSdks->iTarget + pSdks->cTarget - 1;
1308	iSdk != iSdkEnd;
1309	iSdk += iDirection)
1310	{
1311	struct variable *pSdk = &pSdks->pa[iSdk];
1312	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "SDK_%_%", pSdk, &Prop);
1313	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "SDK_%_%.%", pSdk, &Prop, pBldType);
1314	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "SDK_%_%.%", pSdk, &Prop, pBldTrg);
1315	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "SDK_%_%.%", pSdk, &Prop, pBldTrgArch);
1316	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "SDK_%_%.%.%", pSdk, &Prop, pBldTrg, pBldTrgArch);
1317	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "SDK_%_%.%", pSdk, &Prop, pBldTrgCpu);
1318
1319	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "SDK_%_%%", pSdk, pType, &Prop);
1320	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "SDK_%_%%.%", pSdk, pType, &Prop, pBldType);
1321	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "SDK_%_%%.%", pSdk, pType, &Prop, pBldTrg);
1322	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "SDK_%_%%.%", pSdk, pType, &Prop, pBldTrgArch);
1323	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "SDK_%_%%.%.%", pSdk, pType, &Prop, pBldTrg, pBldTrgArch);
1324	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "SDK_%_%%.%", pSdk, pType, &Prop, pBldTrgCpu);
1325	}
1326
1327	/* the target */
1328	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(pDefPath, "%_%", pTarget, &Prop);
1329	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(pDefPath, "%_%.%", pTarget, &Prop, pBldType);
1330	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(pDefPath, "%_%.%", pTarget, &Prop, pBldTrg);
1331	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(pDefPath, "%_%.%", pTarget, &Prop, pBldTrgArch);
1332	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(pDefPath, "%_%.%.%", pTarget, &Prop, pBldTrg, pBldTrgArch);
1333	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(pDefPath, "%_%.%", pTarget, &Prop, pBldTrgCpu);
1334
1335	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(pDefPath, "%_%%", pTarget, pType, &Prop);
1336	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(pDefPath, "%_%%.%", pTarget, pType, &Prop, pBldType);
1337	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(pDefPath, "%_%%.%", pTarget, pType, &Prop, pBldTrg);
1338	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(pDefPath, "%_%%.%", pTarget, pType, &Prop, pBldTrgArch);
1339	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(pDefPath, "%_%%.%.%", pTarget, pType, &Prop, pBldTrg, pBldTrgArch);
1340	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(pDefPath, "%_%%.%", pTarget, pType, &Prop, pBldTrgCpu);
1341
1342	/* the source sdks */
1343	iSdkEnd = iDirection == 1 ? pSdks->iSource + pSdks->cSource : pSdks->iSource - 1;
1344	for (iSdk = iDirection == 1 ? pSdks->iSource : pSdks->iSource + pSdks->cSource - 1;
1345	iSdk != iSdkEnd;
1346	iSdk += iDirection)
1347	{
1348	struct variable *pSdk = &pSdks->pa[iSdk];
1349	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "SDK_%_%", pSdk, &Prop);
1350	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "SDK_%_%.%", pSdk, &Prop, pBldType);
1351	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "SDK_%_%.%", pSdk, &Prop, pBldTrg);
1352	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "SDK_%_%.%", pSdk, &Prop, pBldTrgArch);
1353	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "SDK_%_%.%.%", pSdk, &Prop, pBldTrg, pBldTrgArch);
1354	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "SDK_%_%.%", pSdk, &Prop, pBldTrgCpu);
1355
1356	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "SDK_%_%%", pSdk, pType, &Prop);
1357	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "SDK_%_%%.%", pSdk, pType, &Prop, pBldType);
1358	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "SDK_%_%%.%", pSdk, pType, &Prop, pBldTrg);
1359	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "SDK_%_%%.%", pSdk, pType, &Prop, pBldTrgArch);
1360	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "SDK_%_%%.%.%", pSdk, pType, &Prop, pBldTrg, pBldTrgArch);
1361	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "SDK_%_%%.%", pSdk, pType, &Prop, pBldTrgCpu);
1362	}
1363
1364	/* the source */
1365	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(pDefPath, "%_%", pSource, &Prop);
1366	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(pDefPath, "%_%.%", pSource, &Prop, pBldType);
1367	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(pDefPath, "%_%.%", pSource, &Prop, pBldTrg);
1368	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(pDefPath, "%_%.%", pSource, &Prop, pBldTrgArch);
1369	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(pDefPath, "%_%.%.%", pSource, &Prop, pBldTrg, pBldTrgArch);
1370	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(pDefPath, "%_%.%", pSource, &Prop, pBldTrgCpu);
1371
1372	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(pDefPath, "%_%%", pSource, pType, &Prop);
1373	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(pDefPath, "%_%%.%", pSource, pType, &Prop, pBldType);
1374	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(pDefPath, "%_%%.%", pSource, pType, &Prop, pBldTrg);
1375	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(pDefPath, "%_%%.%", pSource, pType, &Prop, pBldTrgArch);
1376	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(pDefPath, "%_%%.%.%", pSource, pType, &Prop, pBldTrg, pBldTrgArch);
1377	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(pDefPath, "%_%%.%", pSource, pType, &Prop, pBldTrgCpu);
1378
1379
1380	/* the target + source sdks */
1381	iSdkEnd = iDirection == 1 ? pSdks->iTargetSource + pSdks->cTargetSource : pSdks->iTargetSource - 1;
1382	for (iSdk = iDirection == 1 ? pSdks->iTargetSource : pSdks->iTargetSource + pSdks->cTargetSource - 1;
1383	iSdk != iSdkEnd;
1384	iSdk += iDirection)
1385	{
1386	struct variable *pSdk = &pSdks->pa[iSdk];
1387	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "SDK_%_%", pSdk, &Prop);
1388	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "SDK_%_%.%", pSdk, &Prop, pBldType);
1389	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "SDK_%_%.%", pSdk, &Prop, pBldTrg);
1390	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "SDK_%_%.%", pSdk, &Prop, pBldTrgArch);
1391	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "SDK_%_%.%.%", pSdk, &Prop, pBldTrg, pBldTrgArch);
1392	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "SDK_%_%.%", pSdk, &Prop, pBldTrgCpu);
1393
1394	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "SDK_%_%%", pSdk, pType, &Prop);
1395	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "SDK_%_%%.%", pSdk, pType, &Prop, pBldType);
1396	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "SDK_%_%%.%", pSdk, pType, &Prop, pBldTrg);
1397	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "SDK_%_%%.%", pSdk, pType, &Prop, pBldTrgArch);
1398	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "SDK_%_%%.%.%", pSdk, pType, &Prop, pBldTrg, pBldTrgArch);
1399	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "SDK_%_%%.%", pSdk, pType, &Prop, pBldTrgCpu);
1400	}
1401
1402	/* the target + source */
1403	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(pDefPath, "%_%_%", pTarget, pSource, &Prop);
1404	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(pDefPath, "%_%_%.%", pTarget, pSource, &Prop, pBldType);
1405	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(pDefPath, "%_%_%.%", pTarget, pSource, &Prop, pBldTrg);
1406	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(pDefPath, "%_%_%.%", pTarget, pSource, &Prop, pBldTrgArch);
1407	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(pDefPath, "%_%_%.%.%", pTarget, pSource, &Prop, pBldTrg, pBldTrgArch);
1408	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(pDefPath, "%_%_%.%", pTarget, pSource, &Prop, pBldTrgCpu);
1409
1410	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(pDefPath, "%_%_%%", pTarget, pSource, pType, &Prop);
1411	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(pDefPath, "%_%_%%.%", pTarget, pSource, pType, &Prop, pBldType);
1412	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(pDefPath, "%_%_%%.%", pTarget, pSource, pType, &Prop, pBldTrg);
1413	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(pDefPath, "%_%_%%.%", pTarget, pSource, pType, &Prop, pBldTrgArch);
1414	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(pDefPath, "%_%_%%.%.%", pTarget, pSource, pType, &Prop, pBldTrg, pBldTrgArch);
1415	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(pDefPath, "%_%_%%.%", pTarget, pSource, pType, &Prop, pBldTrgCpu);
1416
1417	assert(cVars == iVar);
1418
1419	/*
1420	* Expand the variables and calculate the total length.
1421	*/
1422	cchTotal = 0;
1423	iVarEnd = iDirection == 1 ? cVars : 0;
1424	for (iVar = iDirection == 1 ? 0 : cVars - 1; iVar != iVarEnd; iVar += iDirection)
1425	{
1426	paVars[iVar].cchExp = 0;
1427	if (!paVars[iVar].pVar)
1428	continue;
1429	if ( paVars[iVar].pVar->flavor == f_simple
1430	\|\| !strchr(paVars[iVar].pVar->value, '$'))
1431	{
1432	paVars[iVar].pszExp = paVars[iVar].pVar->value;
1433	paVars[iVar].cchExp = paVars[iVar].pVar->value_length;
1434	}
1435	else
1436	{
1437	paVars[iVar].pszExp = allocated_variable_expand(paVars[iVar].pVar->value);
1438	paVars[iVar].cchExp = strlen(paVars[iVar].pszExp);
1439	}
1440	if (pDefPath)
1441	kbuild_apply_defpath(pDefPath, &paVars[iVar].pszExp, &paVars[iVar].cchExp, NULL,
1442	paVars[iVar].pszExp != paVars[iVar].pVar->value);
1443	cchTotal += paVars[iVar].cchExp + 1;
1444	}
1445
1446	/*
1447	* Construct the result value.
1448	*/
1449	psz = pszResult = xmalloc(cchTotal + 1);
1450	iVarEnd = iDirection == 1 ? cVars : 0;
1451	for (iVar = iDirection == 1 ? 0 : cVars - 1; iVar != iVarEnd; iVar += iDirection)
1452	{
1453	if (!paVars[iVar].cchExp)
1454	continue;
1455	memcpy(psz, paVars[iVar].pszExp, paVars[iVar].cchExp);
1456	psz += paVars[iVar].cchExp;
1457	*psz++ = ' ';
1458	if (paVars[iVar].pszExp != paVars[iVar].pVar->value)
1459	free(paVars[iVar].pszExp);
1460	}
1461	if (psz != pszResult)
1462	psz--;
1463	*psz = '\0';
1464	cchTotal = psz - pszResult;
1465
1466	pVar = define_variable_vl(pszVarName, strlen(pszVarName), pszResult, cchTotal,
1467	0 /* take pszResult / , o_file, 0 / !recursive */);
1468	return pVar;
1469	}
1470
1471
1472	/* get a source property. Doesn't respect the default path. */
1473	char *
1474	func_kbuild_source_prop(char o, char argv, const char pszFuncName)
1475	{
1476	struct variable *pTarget = kbuild_get_variable("target");
1477	struct variable *pSource = kbuild_get_variable("source");
1478	struct variable *pDefPath = NULL;
1479	struct variable *pType = kbuild_get_variable("type");
1480	struct variable *pTool = kbuild_get_variable("tool");
1481	struct variable *pBldType = kbuild_get_variable("bld_type");
1482	struct variable *pBldTrg = kbuild_get_variable("bld_trg");
1483	struct variable *pBldTrgArch = kbuild_get_variable("bld_trg_arch");
1484	struct variable *pBldTrgCpu = kbuild_get_variable("bld_trg_cpu");
1485	struct variable *pVar;
1486	struct kbuild_sdks Sdks;
1487	int iDirection;
1488	if (!strcmp(argv[2], "left-to-right"))
1489	iDirection = 1;
1490	else if (!strcmp(argv[2], "right-to-left"))
1491	iDirection = -1;
1492	else
1493	fatal(NILF, _("incorrect direction argument `%s'!"), argv[2]);
1494	if (argv[3])
1495	pDefPath = kbuild_get_variable("defpath");
1496
1497	kbuild_get_sdks(&Sdks, pTarget, pSource, pBldType, pBldTrg, pBldTrgArch);
1498
1499	pVar = kbuild_collect_source_prop(pTarget, pSource, pTool, &Sdks, pType,
1500	pBldType, pBldTrg, pBldTrgArch, pBldTrgCpu,
1501	pDefPath,
1502	argv[0], argv[1], iDirection);
1503	if (pVar)
1504	o = variable_buffer_output(o, pVar->value, pVar->value_length);
1505
1506	kbuild_put_sdks(&Sdks);
1507	return o;
1508
1509	}
1510
1511
1512	/*
1513	dep := $(obj)$(SUFF_DEP)
1514	obj := $(outbase)$(objsuff)
1515	dirdep := $(call DIRDEP,$(dir $(outbase)))
1516	PATH_$(target)_$(source) := $(patsubst %/,%,$(dir $(outbase)))
1517	*/
1518	static struct variable *
1519	kbuild_set_object_name_and_dep_and_dirdep_and_PATH_target_source(struct variable pTarget, struct variable pSource,
1520	struct variable pOutBase, struct variable pObjSuff,
1521	const char pszVarName, struct variable *ppDep,
1522	struct variable **ppDirDep)
1523	{
1524	struct variable *pDepSuff = kbuild_get_variable("SUFF_DEP");
1525	struct variable *pObj;
1526	size_t cch = pOutBase->value_length + pObjSuff->value_length + pDepSuff->value_length + 1;
1527	char *pszResult = alloca(cch);
1528	char pszName, psz;
1529
1530	/*
1531	* dep.
1532	*/
1533	psz = pszResult;
1534	memcpy(psz, pOutBase->value, pOutBase->value_length); psz += pOutBase->value_length;
1535	memcpy(psz, pObjSuff->value, pObjSuff->value_length); psz += pObjSuff->value_length;
1536	memcpy(psz, pDepSuff->value, pDepSuff->value_length + 1);
1537	ppDep = define_variable_vl("dep", 3, pszResult, cch - 1, 1 /dup/, o_file, 0 / !recursive */);
1538
1539	/*
1540	* obj
1541	*/
1542	*psz = '\0';
1543	pObj = define_variable_vl(pszVarName, strlen(pszVarName), pszResult, psz - pszResult,
1544	1/* dup /, o_file, 0 / !recursive */);
1545
1546	/*
1547	* PATH_$(target)_$(source) - this is global!
1548	*/
1549	/* calc variable name. */
1550	cch = sizeof("PATH_")-1 + pTarget->value_length + sizeof("_")-1 + pSource->value_length;
1551	psz = pszName = alloca(cch + 1);
1552	memcpy(psz, "PATH_", sizeof("PATH_") - 1); psz += sizeof("PATH_") - 1;
1553	memcpy(psz, pTarget->value, pTarget->value_length); psz += pTarget->value_length;
1554	*psz++ = '_';
1555	memcpy(psz, pSource->value, pSource->value_length + 1);
1556
1557	/* strip off the filename. */
1558	psz = pszResult + pOutBase->value_length;
1559	for (;;)
1560	{
1561	psz--;
1562	if (psz <= pszResult)
1563	fatal(NULL, "whut!?! no path? result=`%s'", pszResult);
1564	#ifdef HAVE_DOS_PATHS
1565	if (*psz == ':')
1566	{
1567	psz++;
1568	break;
1569	}
1570	#endif
1571	if ( *psz == '/'
1572	#ifdef HAVE_DOS_PATHS
1573	\|\| *psz == '\\'
1574	#endif
1575	)
1576	{
1577	while ( psz - 1 > pszResult
1578	&& psz[-1] == '/'
1579	#ifdef HAVE_DOS_PATHS
1580	\|\| psz[-1] == '\\'
1581	#endif
1582	)
1583	psz--;
1584	#ifdef HAVE_DOS_PATHS
1585	if (psz == pszResult + 2 && pszResult[1] == ':')
1586	psz++;
1587	#endif
1588	break;
1589	}
1590	}
1591	*psz = '\0';
1592
1593	/* set global variable */
1594	define_variable_vl_global(pszName, cch, pszResult, psz - pszResult, 1/dup/, o_file, 0 /* !recursive */, NILF);
1595
1596	/*
1597	* dirdep
1598	*/
1599	if ( psz[-1] != '/'
1600	#ifdef HAVE_DOS_PATHS
1601	&& psz[-1] != '\\'
1602	&& psz[-1] != ':'
1603	#endif
1604	)
1605	{
1606	*psz++ = '/';
1607	*psz = '\0';
1608	}
1609	ppDirDep = define_variable_vl("dirdep", 6, pszResult, psz - pszResult, 1/dup/, o_file, 0 / !recursive */);
1610
1611	return pObj;
1612	}
1613
1614
1615	/* setup the base variables for def_target_source_c_cpp_asm_new:
1616
1617	X := $(kb-src-tool tool)
1618	x := $(kb-obj-base outbase)
1619	x := $(kb-obj-suff objsuff)
1620	obj := $(outbase)$(objsuff)
1621	PATH_$(target)_$(source) := $(patsubst %/,%,$(dir $(outbase)))
1622
1623	x := $(kb-src-prop DEFS,defs,left-to-right)
1624	x := $(kb-src-prop INCS,incs,right-to-left)
1625	x := $(kb-src-prop FLAGS,flags,right-to-left)
1626
1627	x := $(kb-src-prop DEPS,deps,left-to-right)
1628	dirdep := $(call DIRDEP,$(dir $(outbase)))
1629	dep := $(obj)$(SUFF_DEP)
1630	*/
1631	char *
1632	func_kbuild_source_one(char o, char argv, const char pszFuncName)
1633	{
1634	static int s_fNoCompileCmdsDepsDefined = -1;
1635	struct variable *pTarget = kbuild_get_variable("target");
1636	struct variable *pSource = kbuild_get_variable("source");
1637	struct variable *pDefPath = kbuild_get_variable("defpath");
1638	struct variable *pType = kbuild_get_variable("type");
1639	struct variable *pBldType = kbuild_get_variable("bld_type");
1640	struct variable *pBldTrg = kbuild_get_variable("bld_trg");
1641	struct variable *pBldTrgArch= kbuild_get_variable("bld_trg_arch");
1642	struct variable *pBldTrgCpu = kbuild_get_variable("bld_trg_cpu");
1643	struct variable *pTool = kbuild_get_source_tool(pTarget, pSource, pType, pBldTrg, pBldTrgArch, "tool");
1644	struct variable *pOutBase = kbuild_get_object_base(pTarget, pSource, "outbase");
1645	struct variable *pObjSuff = kbuild_get_object_suffix(pTarget, pSource, pTool, pType, pBldTrg, pBldTrgArch, "objsuff");
1646	struct variable pDefs, pIncs, pFlags, pDeps, pOrderDeps, pDirDep, pDep, pVar, *pOutput;
1647	struct variable *pObj = kbuild_set_object_name_and_dep_and_dirdep_and_PATH_target_source(pTarget, pSource, pOutBase, pObjSuff, "obj", &pDep, &pDirDep);
1648	char pszDstVar, pszDst, pszSrcVar, pszSrc, pszVal, psz;
1649	char *pszSavedVarBuf;
1650	unsigned cchSavedVarBuf;
1651	size_t cch;
1652	struct kbuild_sdks Sdks;
1653
1654	/*
1655	* Gather properties.
1656	*/
1657	kbuild_get_sdks(&Sdks, pTarget, pSource, pBldType, pBldTrg, pBldTrgArch);
1658
1659	if (pDefPath && !pDefPath->value_length)
1660	pDefPath = NULL;
1661	pDefs = kbuild_collect_source_prop(pTarget, pSource, pTool, &Sdks, pType, pBldType, pBldTrg, pBldTrgArch, pBldTrgCpu, NULL,
1662	"DEFS", "defs", 1/* left-to-right */);
1663	pIncs = kbuild_collect_source_prop(pTarget, pSource, pTool, &Sdks, pType, pBldType, pBldTrg, pBldTrgArch, pBldTrgCpu, pDefPath,
1664	"INCS", "incs", -1/* right-to-left */);
1665	pFlags = kbuild_collect_source_prop(pTarget, pSource, pTool, &Sdks, pType, pBldType, pBldTrg, pBldTrgArch, pBldTrgCpu, NULL,
1666	"FLAGS", "flags", 1/* left-to-right */);
1667	pDeps = kbuild_collect_source_prop(pTarget, pSource, pTool, &Sdks, pType, pBldType, pBldTrg, pBldTrgArch, pBldTrgCpu, pDefPath,
1668	"DEPS", "deps", 1/* left-to-right */);
1669	pOrderDeps = kbuild_collect_source_prop(pTarget, pSource, pTool, &Sdks, pType, pBldType, pBldTrg, pBldTrgArch, pBldTrgCpu, pDefPath,
1670	"ORDERDEPS", "orderdeps", 1/* left-to-right */);
1671
1672	/*
1673	* If we've got a default path, we must expand the source now.
1674	* If we do this too early, "<source>_property = stuff" won't work becuase
1675	* our 'source' value isn't what the user expects.
1676	*/
1677	if (pDefPath)
1678	kbuild_apply_defpath(pDefPath, &pSource->value, &pSource->value_length, &pSource->value_alloc_len, 1 /* can free */);
1679
1680	/*
1681	# dependencies
1682	ifndef NO_COMPILE_CMDS_DEPS
1683	_DEPFILES_INCLUDED += $(dep)
1684	$(if $(wildcard $(dep)),$(eval include $(dep)))
1685	endif
1686	*/
1687	if (s_fNoCompileCmdsDepsDefined == -1)
1688	s_fNoCompileCmdsDepsDefined = kbuild_lookup_variable("NO_COMPILE_CMDS_DEPS") != NULL;
1689	if (!s_fNoCompileCmdsDepsDefined)
1690	{
1691	do_variable_definition(NILF, "_DEPFILES_INCLUDED", pDep->value, o_file, f_append, 0 /* !target_var */);
1692	eval_include_dep(pDep->value, NILF);
1693	}
1694
1695	/*
1696	# call the tool
1697	$(target)_$(source)_CMDS_ := $(TOOL_$(tool)_COMPILE_$(type)_CMDS)
1698	$(target)_$(source)_OUTPUT_ := $(TOOL_$(tool)_COMPILE_$(type)_OUTPUT)
1699	$(target)_$(source)_OUTPUT_MAYBE_ := $(TOOL_$(tool)_COMPILE_$(type)_OUTPUT_MAYBE)
1700	$(target)_$(source)_DEPEND_ := $(TOOL_$(tool)_COMPILE_$(type)_DEPEND) $(deps) $(source)
1701	$(target)_$(source)_DEPORD_ := $(TOOL_$(tool)_COMPILE_$(type)_DEPORD) $(dirdep)
1702	*/
1703	cch = sizeof("TOOL_") + pTool->value_length + sizeof("_COMPILE_") + pType->value_length + sizeof("_OUTPUT_MAYBE");
1704	psz = pszSrcVar = alloca(cch);
1705	memcpy(psz, "TOOL_", sizeof("TOOL_") - 1); psz += sizeof("TOOL_") - 1;
1706	memcpy(psz, pTool->value, pTool->value_length); psz += pTool->value_length;
1707	memcpy(psz, "_COMPILE_", sizeof("_COMPILE_") - 1); psz += sizeof("_COMPILE_") - 1;
1708	memcpy(psz, pType->value, pType->value_length); psz += pType->value_length;
1709	pszSrc = psz;
1710
1711	cch = pTarget->value_length + 1 + pSource->value_length + sizeof("_OUTPUT_MAYBE_");
1712	psz = pszDstVar = alloca(cch);
1713	memcpy(psz, pTarget->value, pTarget->value_length); psz += pTarget->value_length;
1714	*psz++ = '_';
1715	memcpy(psz, pSource->value, pSource->value_length); psz += pSource->value_length;
1716	pszDst = psz;
1717
1718	memcpy(pszSrc, "_CMDS", sizeof("_CMDS"));
1719	memcpy(pszDst, "_CMDS_", sizeof("_CMDS_"));
1720	pVar = kbuild_get_recursive_variable(pszSrcVar);
1721	do_variable_definition(NILF, pszDstVar, pVar->value, o_file, f_simple, 0 /* !target_var */);
1722
1723	memcpy(pszSrc, "_OUTPUT", sizeof("_OUTPUT"));
1724	memcpy(pszDst, "_OUTPUT_", sizeof("_OUTPUT_"));
1725	pVar = kbuild_get_recursive_variable(pszSrcVar);
1726	pOutput = do_variable_definition(NILF, pszDstVar, pVar->value, o_file, f_simple, 0 /* !target_var */);
1727
1728	memcpy(pszSrc, "_OUTPUT_MAYBE", sizeof("_OUTPUT_MAYBE"));
1729	memcpy(pszDst, "_OUTPUT_MAYBE_", sizeof("_OUTPUT_MAYBE_"));
1730	pVar = kbuild_query_recursive_variable(pszSrcVar);
1731	pOutput = do_variable_definition(NILF, pszDstVar, pVar ? pVar->value : "", o_file, f_simple, 0 /* !target_var */);
1732
1733	memcpy(pszSrc, "_DEPEND", sizeof("_DEPEND"));
1734	memcpy(pszDst, "_DEPEND_", sizeof("_DEPEND_"));
1735	pVar = kbuild_get_recursive_variable(pszSrcVar);
1736	psz = pszVal = xmalloc(pVar->value_length + 1 + pDeps->value_length + 1 + pSource->value_length + 1);
1737	memcpy(psz, pVar->value, pVar->value_length); psz += pVar->value_length;
1738	*psz++ = ' ';
1739	memcpy(psz, pDeps->value, pDeps->value_length); psz += pDeps->value_length;
1740	*psz++ = ' ';
1741	memcpy(psz, pSource->value, pSource->value_length + 1);
1742	do_variable_definition(NILF, pszDstVar, pszVal, o_file, f_simple, 0 /* !target_var */);
1743	free(pszVal);
1744
1745	memcpy(pszSrc, "_DEPORD", sizeof("_DEPORD"));
1746	memcpy(pszDst, "_DEPORD_", sizeof("_DEPORD_"));
1747	pVar = kbuild_get_recursive_variable(pszSrcVar);
1748	psz = pszVal = xmalloc(pVar->value_length + 1 + pDirDep->value_length + 1 + pOrderDeps->value_length + 1);
1749	memcpy(psz, pVar->value, pVar->value_length); psz += pVar->value_length;
1750	*psz++ = ' ';
1751	memcpy(psz, pDirDep->value, pDirDep->value_length); psz += pDirDep->value_length;
1752	*psz++ = ' ';
1753	memcpy(psz, pOrderDeps->value, pOrderDeps->value_length + 1);
1754	do_variable_definition(NILF, pszDstVar, pszVal, o_file, f_simple, 0 /* !target_var */);
1755	free(pszVal);
1756
1757	/*
1758	_OUT_FILES += $($(target)_$(source)_OUTPUT_)
1759	*/
1760	pVar = kbuild_get_variable("_OUT_FILES");
1761	psz = pszVal = xmalloc(pVar->value_length + 1 + pOutput->value_length + 1);
1762	memcpy(psz, pVar->value, pVar->value_length); psz += pVar->value_length;
1763	*psz++ = ' ';
1764	memcpy(psz, pOutput->value, pOutput->value_length + 1);
1765	do_variable_definition(NILF, "_OUT_FILES", pszVal, o_file, f_simple, 0 /* !target_var */);
1766	free(pszVal);
1767
1768	/*
1769	$(target)_OBJS_ += $(obj)
1770	*/
1771	memcpy(pszDstVar + pTarget->value_length, "_OBJS_", sizeof("_OBJS_"));
1772	do_variable_definition(NILF, pszDstVar, pObj->value, o_file, f_append, 0 /* !target_var */);
1773
1774	/*
1775	$(eval $(def_target_source_rule))
1776	*/
1777	pVar = kbuild_get_recursive_variable("def_target_source_rule");
1778	pszVal = allocated_variable_expand(pVar->value);
1779
1780	install_variable_buffer(&pszSavedVarBuf, &cchSavedVarBuf);
1781	eval_buffer(pszVal);
1782	restore_variable_buffer(pszSavedVarBuf, cchSavedVarBuf);
1783
1784	free(pszVal);
1785
1786	kbuild_put_sdks(&Sdks);
1787	return variable_buffer_output(o, "", 1);
1788	}
1789
1790
1791	#endif /* KMK_HELPERS */
1792

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source: kBuild/trunk/src/kmk/kbuild.c@ 1330

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