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source: trunk/src/kmk/kbuild.c@ 965

Last change on this file since 965 was 961, checked in by bird, 18 years ago
find the executable on solaris. fixed bugs in the linux and freebsd code.
Property svn:eol-style set to `native` Property svn:keywords set to `Id`
File size: 65.3 KB

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1	/* $Id: kbuild.c 961 2007-05-27 13:30:41Z 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	if (rc < 0)
143	g_pszExeName = argv[0];
144	else
145	g_pszExeName = xstrdup(szTmp);
146	}
147
148
149	/**
150	* Wrapper that ensures correct starting_directory.
151	*/
152	static char my_abspath(const char pszIn, char *pszOut)
153	{
154	char pszSaved, pszRet;
155
156	pszSaved = starting_directory;
157	starting_directory = g_pszInitialCwd;
158	pszRet = abspath(pszIn, pszOut);
159	starting_directory = pszSaved;
160
161	return pszRet;
162	}
163
164
165	/**
166	* Determin the PATH_KBUILD value.
167	*
168	* @returns Pointer to static buffer to be treated as read only!
169	*/
170	const char *get_path_kbuild(void)
171	{
172	static const char *s_pszPath = NULL;
173	if (!s_pszPath)
174	{
175	PATH_VAR(szTmpPath);
176	const char *pszEnvVar = getenv("PATH_KBUILD");
177	if ( !pszEnvVar
178	\|\| !my_abspath(pszEnvVar, szTmpPath))
179	{
180	#ifdef PATH_KBUILD
181	return s_pszPath = PATH_KBUILD;
182	#else
183	/* $(abspath $(PATH_KBUILD_BIN)/../..)*/
184	size_t cch = strlen(get_path_kbuild_bin());
185	char *pszTmp2 = alloca(cch + sizeof("/../.."));
186	strcat(strcpy(pszTmp2, get_path_kbuild_bin()), "/../..");
187	if (!my_abspath(pszTmp2, szTmpPath))
188	fatal(NILF, _("failed to determin PATH_KBUILD"));
189	#endif
190	}
191	s_pszPath = xstrdup(szTmpPath);
192	}
193	return s_pszPath;
194	}
195
196
197	/**
198	* Determin the PATH_KBUILD_BIN value.
199	*
200	* @returns Pointer to static buffer to be treated as read only!
201	*/
202	const char *get_path_kbuild_bin(void)
203	{
204	static const char *s_pszPath = NULL;
205	if (!s_pszPath)
206	{
207	PATH_VAR(szTmpPath);
208	const char *pszEnvVar = getenv("PATH_KBUILD_BIN");
209	if ( !pszEnvVar
210	\|\| !my_abspath(pszEnvVar, szTmpPath))
211	{
212	#ifdef PATH_KBUILD
213	return s_pszPath = PATH_KBUILD_BIN;
214	#else
215	/* $(abspath $(dir $(ARGV0)).) */
216	size_t cch = strlen(g_pszExeName);
217	char *pszTmp2 = alloca(cch + sizeof("."));
218	char *pszSep = pszTmp2 + cch - 1;
219	memcpy(pszTmp2, g_pszExeName, cch);
220	#ifdef HAVE_DOS_PATHS
221	while (pszSep >= pszTmp2 && pszSep != '/' && pszSep != '\\' && *pszSep != ':')
222	#else
223	while (pszSep >= pszTmp2 && *pszSep != '/')
224	#endif
225	pszSep--;
226	if (pszSep >= pszTmp2)
227	strcpy(pszSep + 1, ".");
228	else
229	strcpy(pszTmp2, ".");
230
231	if (!my_abspath(pszTmp2, szTmpPath))
232	fatal(NILF, _("failed to determin PATH_KBUILD_BIN (pszTmp2=%s szTmpPath=%s)"), pszTmp2, szTmpPath);
233	#endif
234	}
235	s_pszPath = xstrdup(szTmpPath);
236	}
237	return s_pszPath;
238	}
239
240
241	#ifdef KMK_HELPERS
242
243	/**
244	* Applies the specified default path to any relative paths in *ppsz.
245	*
246	* @param pDefPath The default path.
247	* @param ppsz Pointer to the string pointer. If we expand anything, *ppsz
248	* will be replaced and the caller is responsible for calling free() on it.
249	* @param pcch IN: *pcch contains the current string length.
250	* OUT: *pcch contains the new string length.
251	* @param pcchAlloc *pcchAlloc contains the length allocated for the string. Can be NULL.
252	* @param fCanFree Whether *ppsz should be freed when we replace it.
253	*/
254	static void
255	kbuild_apply_defpath(struct variable pDefPath, char ppsz, int pcch, int *pcchAlloc, int fCanFree)
256	{
257	const char *pszIterator;
258	const char *pszInCur;
259	unsigned int cchInCur;
260	unsigned int cRelativePaths;
261
262	/*
263	* The first pass, count the relative paths.
264	*/
265	cRelativePaths = 0;
266	pszIterator = *ppsz;
267	while ((pszInCur = find_next_token(&pszIterator, &cchInCur)))
268	{
269	/* is relative? */
270	#ifdef HAVE_DOS_PATHS
271	if (pszInCur[0] != '/' && pszInCur[0] != '\\' && (cchInCur < 2 \|\| pszInCur[1] != ':'))
272	#else
273	if (pszInCur[0] != '/')
274	#endif
275	cRelativePaths++;
276	}
277
278	/*
279	* The second pass construct the new string.
280	*/
281	if (cRelativePaths)
282	{
283	const size_t cchOut = pcch + cRelativePaths (pDefPath->value_length + 1) + 1;
284	char *pszOut = xmalloc(cchOut);
285	char *pszOutCur = pszOut;
286	const char pszInNextCopy = ppsz;
287
288	cRelativePaths = 0;
289	pszIterator = *ppsz;
290	while ((pszInCur = find_next_token(&pszIterator, &cchInCur)))
291	{
292	/* is relative? */
293	#ifdef HAVE_DOS_PATHS
294	if (pszInCur[0] != '/' && pszInCur[0] != '\\' && (cchInCur < 2 \|\| pszInCur[1] != ':'))
295	#else
296	if (pszInCur[0] != '/')
297	#endif
298	{
299	PATH_VAR(szAbsPathIn);
300	PATH_VAR(szAbsPathOut);
301
302	if (pDefPath->value_length + cchInCur + 1 >= GET_PATH_MAX)
303	continue;
304
305	/* Create the abspath input. */
306	memcpy(szAbsPathIn, pDefPath->value, pDefPath->value_length);
307	szAbsPathIn[pDefPath->value_length] = '/';
308	memcpy(&szAbsPathIn[pDefPath->value_length + 1], pszInCur, cchInCur);
309	szAbsPathIn[pDefPath->value_length + 1 + cchInCur] = '\0';
310
311	if (abspath(szAbsPathIn, szAbsPathOut) != NULL)
312	{
313	const size_t cchAbsPathOut = strlen(szAbsPathOut);
314	assert(cchAbsPathOut <= pDefPath->value_length + 1 + cchInCur);
315
316	/* copy leading input */
317	if (pszInCur != pszInNextCopy)
318	{
319	const size_t cchCopy = pszInCur - pszInNextCopy;
320	memcpy(pszOutCur, pszInNextCopy, cchCopy);
321	pszOutCur += cchCopy;
322	}
323	pszInNextCopy = pszInCur + cchInCur;
324
325	/* copy out the abspath. */
326	memcpy(pszOutCur, szAbsPathOut, cchAbsPathOut);
327	pszOutCur += cchAbsPathOut;
328	}
329	}
330	}
331	/* the final copy (includes the nil). */
332	cchInCur = ppsz + pcch - pszInNextCopy;
333	memcpy(pszOutCur, pszInNextCopy, cchInCur);
334	pszOutCur += cchInCur;
335	*pszOutCur = '\0';
336	assert((size_t)(pszOutCur - pszOut) < cchOut);
337
338	/* set return values */
339	if (fCanFree)
340	free(*ppsz);
341	*ppsz = pszOut;
342	*pcch = pszOutCur - pszOut;
343	if (pcchAlloc)
344	*pcchAlloc = cchOut;
345	}
346	}
347
348
349	/**
350	* Gets a variable that must exist.
351	* Will cause a fatal failure if the variable doesn't exist.
352	*
353	* @returns Pointer to the variable.
354	* @param pszName The variable name.
355	*/
356	static struct variable *
357	kbuild_get_variable(const char *pszName)
358	{
359	#ifndef NDEBUG
360	unsigned i;
361	#endif
362	struct variable *pVar = lookup_variable(pszName, strlen(pszName));
363	if (!pVar)
364	fatal(NILF, _("variable `%s' isn't defined!"), pszName);
365	if (pVar->recursive)
366	fatal(NILF, _("variable `%s' is defined as `recursive' instead of `simple'!"), pszName);
367	#ifndef NDEBUG
368	i = strlen(pVar->value);
369	if (i != pVar->value_length)
370	{
371	printf("%d != %d %s\n", pVar->value_length, i, pVar->name);
372	# ifdef _MSC_VER
373	__debugbreak();
374	# endif
375	assert(0);
376	}
377	#endif
378	return pVar;
379	}
380
381	/**
382	* Gets a variable that must exist and can be recursive.
383	* Will cause a fatal failure if the variable doesn't exist.
384	*
385	* @returns Pointer to the variable.
386	* @param pszName The variable name.
387	*/
388	static struct variable *
389	kbuild_get_recursive_variable(const char *pszName)
390	{
391	#ifndef NDEBUG
392	unsigned i;
393	#endif
394	struct variable *pVar = lookup_variable(pszName, strlen(pszName));
395	if (!pVar)
396	fatal(NILF, _("variable `%s' isn't defined!"), pszName);
397	#ifndef NDEBUG
398	i = strlen(pVar->value);
399	if (i != pVar->value_length)
400	{
401	printf("%d != %d %s\n", pVar->value_length, i, pVar->name);
402	# ifdef _MSC_VER
403	__debugbreak();
404	# endif
405	assert(0);
406	}
407	#endif
408	return pVar;
409	}
410
411	/**
412	* Converts the specified variable into a 'simple' one.
413	* @returns pVar.
414	* @param pVar The variable.
415	*/
416	static struct variable *
417	kbuild_simplify_variable(struct variable *pVar)
418	{
419	if (memchr(pVar->value, '$', pVar->value_length))
420	{
421	char *pszExpanded = allocated_variable_expand(pVar->value);
422	free(pVar->value);
423	pVar->value = pszExpanded;
424	pVar->value_length = strlen(pVar->value);
425	pVar->value_alloc_len = pVar->value_length + 1;
426	}
427	pVar->recursive = 0;
428	return pVar;
429	}
430
431	/**
432	* Looks up a variable.
433	* The value_length field is valid upon successful return.
434	*
435	* @returns Pointer to the variable. NULL if not found.
436	* @param pszName The variable name.
437	*/
438	static struct variable *
439	kbuild_lookup_variable(const char *pszName)
440	{
441	struct variable *pVar = lookup_variable(pszName, strlen(pszName));
442	if (pVar)
443	{
444	#ifndef NDEBUG
445	unsigned i = strlen(pVar->value);
446	if (i != pVar->value_length)
447	{
448	printf("%d != %d %s\n", pVar->value_length, i, pVar->name);
449	# ifdef _MSC_VER
450	__debugbreak();
451	# endif
452	assert(0);
453	}
454	#endif
455	/* Make sure the variable is simple, convert it if necessary. */
456	if (pVar->recursive)
457	kbuild_simplify_variable(pVar);
458	}
459	return pVar;
460	}
461
462	/**
463	* Looks up a variable and applies default a path to all relative paths.
464	* The value_length field is valid upon successful return.
465	*
466	* @returns Pointer to the variable. NULL if not found.
467	* @param pDefPath The default path.
468	* @param pszName The variable name.
469	*/
470	static struct variable *
471	kbuild_lookup_variable_defpath(struct variable pDefPath, const char pszName)
472	{
473	struct variable *pVar = kbuild_lookup_variable(pszName);
474	if (pVar && pDefPath)
475	kbuild_apply_defpath(pDefPath, &pVar->value, &pVar->value_length, &pVar->value_alloc_len, 1);
476	return pVar;
477	}
478
479	/** Same as kbuild_lookup_variable except that a '%s' in the name string
480	* will be substituted with the values of the variables in the va list. */
481	static struct variable *
482	kbuild_lookup_variable_fmt_va(struct variable pDefPath, const char pszNameFmt, va_list va)
483	{
484	va_list va2;
485	size_t cchName;
486	const char *pszFmt;
487	char *pszName;
488	char *psz;
489
490	/* first pass, calc value name size and allocate stack buffer. */
491	va_copy(va2, va);
492
493	cchName = strlen(pszNameFmt) + 1;
494	pszFmt = strchr(pszNameFmt, '%');
495	while (pszFmt)
496	{
497	struct variable pVar = va_arg(va, struct variable );
498	if (pVar)
499	cchName += pVar->value_length;
500	pszFmt = strchr(pszFmt + 1, '%');
501	}
502	pszName = alloca(cchName);
503
504	/* second pass format it. */
505	pszFmt = pszNameFmt;
506	psz = pszName;
507	for (;;)
508	{
509	char ch = *pszFmt++;
510	if (ch != '%')
511	{
512	*psz++ = ch;
513	if (!ch)
514	break;
515	}
516	else
517	{
518	struct variable pVar = va_arg(va2, struct variable );
519	if (pVar)
520	{
521	memcpy(psz, pVar->value, pVar->value_length);
522	psz += pVar->value_length;
523	}
524	}
525	}
526	va_end(va2);
527
528	if (pDefPath)
529	return kbuild_lookup_variable_defpath(pDefPath, pszName);
530	return kbuild_lookup_variable(pszName);
531	}
532
533	/** Same as kbuild_lookup_variable except that a '%s' in the name string
534	* will be substituted with the values of the variables in the ellipsis. */
535	static struct variable *
536	kbuild_lookup_variable_fmt(struct variable pDefPath, const char pszNameFmt, ...)
537	{
538	struct variable *pVar;
539	va_list va;
540	va_start(va, pszNameFmt);
541	pVar = kbuild_lookup_variable_fmt_va(pDefPath, pszNameFmt, va);
542	va_end(va);
543	return pVar;
544	}
545
546	/**
547	* Gets the first defined property variable.
548	*/
549	static struct variable *
550	kbuild_first_prop(struct variable pTarget, struct variable pSource,
551	struct variable pTool, struct variable pType,
552	struct variable pBldTrg, struct variable pBldTrgArch,
553	const char pszPropF1, const char pszPropF2, const char *pszVarName)
554	{
555	struct variable *pVar;
556	struct variable PropF1, PropF2;
557
558	PropF1.value = (char *)pszPropF1;
559	PropF1.value_length = strlen(pszPropF1);
560
561	PropF2.value = (char *)pszPropF2;
562	PropF2.value_length = strlen(pszPropF2);
563
564	if ( (pVar = kbuild_lookup_variable_fmt(NULL, "%_%_%%.%.%",pTarget, pSource, pType, &PropF2, pBldTrg, pBldTrgArch))
565	\|\| (pVar = kbuild_lookup_variable_fmt(NULL, "%_%_%%.%", pTarget, pSource, pType, &PropF2, pBldTrg))
566	\|\| (pVar = kbuild_lookup_variable_fmt(NULL, "%_%_%%", pTarget, pSource, pType, &PropF2))
567	\|\| (pVar = kbuild_lookup_variable_fmt(NULL, "%_%_%.%.%", pTarget, pSource, &PropF2, pBldTrg, pBldTrgArch))
568	\|\| (pVar = kbuild_lookup_variable_fmt(NULL, "%_%_%.%", pTarget, pSource, &PropF2, pBldTrg))
569	\|\| (pVar = kbuild_lookup_variable_fmt(NULL, "%_%_%", pTarget, pSource, &PropF2))
570	\|\| (pVar = kbuild_lookup_variable_fmt(NULL, "%_%%.%.%", pSource, pType, &PropF2, pBldTrg, pBldTrgArch))
571	\|\| (pVar = kbuild_lookup_variable_fmt(NULL, "%_%%.%", pSource, pType, &PropF2, pBldTrg))
572	\|\| (pVar = kbuild_lookup_variable_fmt(NULL, "%_%%", pSource, pType, &PropF2))
573	\|\| (pVar = kbuild_lookup_variable_fmt(NULL, "%_%.%.%", pSource, &PropF2, pBldTrg, pBldTrgArch))
574	\|\| (pVar = kbuild_lookup_variable_fmt(NULL, "%_%.%", pSource, &PropF2, pBldTrg))
575	\|\| (pVar = kbuild_lookup_variable_fmt(NULL, "%_%", pSource, &PropF2))
576	\|\| (pVar = kbuild_lookup_variable_fmt(NULL, "%_%%.%.%", pTarget, pType, &PropF2, pBldTrg, pBldTrgArch))
577	\|\| (pVar = kbuild_lookup_variable_fmt(NULL, "%_%%.%", pTarget, pType, &PropF2, pBldTrg))
578	\|\| (pVar = kbuild_lookup_variable_fmt(NULL, "%_%%", pTarget, pType, &PropF2))
579	\|\| (pVar = kbuild_lookup_variable_fmt(NULL, "%_%.%.%", pTarget, &PropF2, pBldTrg, pBldTrgArch))
580	\|\| (pVar = kbuild_lookup_variable_fmt(NULL, "%_%.%", pTarget, &PropF2, pBldTrg))
581	\|\| (pVar = kbuild_lookup_variable_fmt(NULL, "%_%", pTarget, &PropF2))
582
583	\|\| (pTool && (pVar = kbuild_lookup_variable_fmt(NULL, "TOOL_%_%%.%.%", pTool, pType, &PropF2, pBldTrg, pBldTrgArch)))
584	\|\| (pTool && (pVar = kbuild_lookup_variable_fmt(NULL, "TOOL_%_%%.%", pTool, pType, &PropF2, pBldTrg)))
585	\|\| (pTool && (pVar = kbuild_lookup_variable_fmt(NULL, "TOOL_%_%%", pTool, pType, &PropF2)))
586	\|\| (pTool && (pVar = kbuild_lookup_variable_fmt(NULL, "TOOL_%_%.%.%", pTool, &PropF2, pBldTrg, pBldTrgArch)))
587	\|\| (pTool && (pVar = kbuild_lookup_variable_fmt(NULL, "TOOL_%_%.%", pTool, &PropF2, pBldTrg)))
588	\|\| (pTool && (pVar = kbuild_lookup_variable_fmt(NULL, "TOOL_%_%", pTool, &PropF2)))
589
590	\|\| (pVar = kbuild_lookup_variable_fmt(NULL, "%%.%.%", pType, &PropF1, pBldTrg, pBldTrgArch))
591	\|\| (pVar = kbuild_lookup_variable_fmt(NULL, "%%.%", pType, &PropF1, pBldTrg))
592	\|\| (pVar = kbuild_lookup_variable_fmt(NULL, "%%", pType, &PropF1))
593	\|\| (pVar = kbuild_lookup_variable_fmt(NULL, "%.%.%", &PropF1, pBldTrg, pBldTrgArch))
594	\|\| (pVar = kbuild_lookup_variable_fmt(NULL, "%.%", &PropF1, pBldTrg))
595	\|\| (pVar = kbuild_lookup_variable(pszPropF1))
596	)
597	{
598	/* strip it */
599	char *psz = pVar->value;
600	char *pszEnd = psz + pVar->value_length;
601	while (isblank((unsigned char)*psz))
602	psz++;
603	while (pszEnd > psz && isblank((unsigned char)pszEnd[-1]))
604	pszEnd--;
605	if (pszEnd > psz)
606	{
607	char chSaved = *pszEnd;
608	*pszEnd = '\0';
609	pVar = define_variable_vl(pszVarName, strlen(pszVarName), psz, pszEnd - psz,
610	1 /* duplicate /, o_file, 0 / !recursive */);
611	*pszEnd = chSaved;
612	if (pVar)
613	return pVar;
614	}
615	}
616	return NULL;
617	}
618
619	/*
620	_SOURCE_TOOL = $(strip $(firstword \
621	$($(target)_$(source)_$(type)TOOL.$(bld_trg).$(bld_trg_arch)) \
622	$($(target)_$(source)_$(type)TOOL.$(bld_trg)) \
623	$($(target)_$(source)_$(type)TOOL) \
624	$($(target)_$(source)_TOOL.$(bld_trg).$(bld_trg_arch)) \
625	$($(target)_$(source)_TOOL.$(bld_trg)) \
626	$($(target)_$(source)_TOOL) \
627	$($(source)_$(type)TOOL.$(bld_trg).$(bld_trg_arch)) \
628	$($(source)_$(type)TOOL.$(bld_trg)) \
629	$($(source)_$(type)TOOL) \
630	$($(source)_TOOL.$(bld_trg).$(bld_trg_arch)) \
631	$($(source)_TOOL.$(bld_trg)) \
632	$($(source)_TOOL) \
633	$($(target)_$(type)TOOL.$(bld_trg).$(bld_trg_arch)) \
634	$($(target)_$(type)TOOL.$(bld_trg)) \
635	$($(target)_$(type)TOOL) \
636	$($(target)_TOOL.$(bld_trg).$(bld_trg_arch)) \
637	$($(target)_TOOL.$(bld_trg)) \
638	$($(target)_TOOL) \
639	$($(type)TOOL.$(bld_trg).$(bld_trg_arch)) \
640	$($(type)TOOL.$(bld_trg)) \
641	$($(type)TOOL) \
642	$(TOOL.$(bld_trg).$(bld_trg_arch)) \
643	$(TOOL.$(bld_trg)) \
644	$(TOOL) ))
645	*/
646	static struct variable *
647	kbuild_get_source_tool(struct variable pTarget, struct variable pSource, struct variable *pType,
648	struct variable pBldTrg, struct variable pBldTrgArch, const char *pszVarName)
649	{
650	struct variable *pVar = kbuild_first_prop(pTarget, pSource, NULL, pType, pBldTrg, pBldTrgArch,
651	"TOOL", "TOOL", pszVarName);
652	if (!pVar)
653	fatal(NILF, _("no tool for source `%s' in target `%s'!"), pSource->value, pTarget->value);
654	return pVar;
655	}
656
657	/* Implements _SOURCE_TOOL. */
658	char *
659	func_kbuild_source_tool(char o, char argv, const char pszFuncName)
660	{
661	struct variable *pVar = kbuild_get_source_tool(kbuild_get_variable("target"),
662	kbuild_get_variable("source"),
663	kbuild_get_variable("type"),
664	kbuild_get_variable("bld_trg"),
665	kbuild_get_variable("bld_trg_arch"),
666	argv[0]);
667	if (pVar)
668	o = variable_buffer_output(o, pVar->value, pVar->value_length);
669	return o;
670
671	}
672
673	/* This has been extended a bit, it's now identical to _SOURCE_TOOL.
674	$(firstword \
675	$($(target)_$(source)_OBJSUFF.$(bld_trg).$(bld_trg_arch))\
676	$($(target)_$(source)_OBJSUFF.$(bld_trg))\
677	$($(target)_$(source)_OBJSUFF)\
678	$($(source)_OBJSUFF.$(bld_trg).$(bld_trg_arch))\
679	$($(source)_OBJSUFF.$(bld_trg))\
680	$($(source)_OBJSUFF)\
681	$($(target)_OBJSUFF.$(bld_trg).$(bld_trg_arch))\
682	$($(target)_OBJSUFF.$(bld_trg))\
683	$($(target)_OBJSUFF)\
684	$(TOOL_$(tool)_$(type)OBJSUFF.$(bld_trg).$(bld_trg_arch))\
685	$(TOOL_$(tool)_$(type)OBJSUFF.$(bld_trg))\
686	$(TOOL_$(tool)_$(type)OBJSUFF)\
687	$(SUFF_OBJ))
688	*/
689	static struct variable *
690	kbuild_get_object_suffix(struct variable pTarget, struct variable pSource,
691	struct variable pTool, struct variable pType,
692	struct variable pBldTrg, struct variable pBldTrgArch, const char *pszVarName)
693	{
694	struct variable *pVar = kbuild_first_prop(pTarget, pSource, pTool, pType, pBldTrg, pBldTrgArch,
695	"SUFF_OBJ", "OBJSUFF", pszVarName);
696	if (!pVar)
697	fatal(NILF, _("no OBJSUFF attribute or SUFF_OBJ default for source `%s' in target `%s'!"), pSource->value, pTarget->value);
698	return pVar;
699	}
700
701	/* */
702	char *
703	func_kbuild_object_suffix(char o, char argv, const char pszFuncName)
704	{
705	struct variable *pVar = kbuild_get_object_suffix(kbuild_get_variable("target"),
706	kbuild_get_variable("source"),
707	kbuild_get_variable("tool"),
708	kbuild_get_variable("type"),
709	kbuild_get_variable("bld_trg"),
710	kbuild_get_variable("bld_trg_arch"),
711	argv[0]);
712	if (pVar)
713	o = variable_buffer_output(o, pVar->value, pVar->value_length);
714	return o;
715
716	}
717
718
719	/*
720	## Figure out where to put object files.
721	# @param $1 source file
722	# @param $2 normalized main target
723	# @remark There are two major hacks here:
724	# 1. Source files in the output directory are translated into a gen/ subdir.
725	# 2. Catch anyone specifying $(PATH_SUB_CURRENT)/sourcefile.c.
726	_OBJECT_BASE = $(PATH_TARGET)/$(2)/$(call no-root-slash,$(call no-drive,$(basename \
727	$(patsubst $(PATH_ROOT)/%,%,$(patsubst $(PATH_SUB_CURRENT)/%,%,$(patsubst $(PATH_TARGET)/$(2)/%,gen/%,$(1)))))))
728	*/
729	static struct variable *
730	kbuild_get_object_base(struct variable pTarget, struct variable pSource, const char *pszVarName)
731	{
732	struct variable *pPathTarget = kbuild_get_variable("PATH_TARGET");
733	struct variable *pPathRoot = kbuild_get_variable("PATH_ROOT");
734	struct variable *pPathSubCur = kbuild_get_variable("PATH_SUB_CURRENT");
735	const char *pszSrcPrefix = NULL;
736	size_t cchSrcPrefix = 0;
737	const char *pszSrcEnd;
738	char *pszSrc;
739	char *pszResult;
740	char *psz;
741	size_t cch;
742
743	/*
744	* Strip the source filename of any uncessary leading path and root specs.
745	*/
746	/* */
747	if ( pSource->value_length > pPathTarget->value_length
748	&& !strncmp(pSource->value, pPathTarget->value, pPathTarget->value_length))
749	{
750	pszSrc = pSource->value + pPathTarget->value_length;
751	pszSrcPrefix = "gen/";
752	cchSrcPrefix = sizeof("gen/") - 1;
753	if ( *pszSrc == '/'
754	&& !strncmp(pszSrc + 1, pTarget->value, pTarget->value_length)
755	&& ( pszSrc[pTarget->value_length + 1] == '/'
756	\|\| pszSrc[pTarget->value_length + 1] == '\0'))
757	pszSrc += 1 + pTarget->value_length;
758	}
759	else if ( pSource->value_length > pPathRoot->value_length
760	&& !strncmp(pSource->value, pPathRoot->value, pPathRoot->value_length))
761	{
762	pszSrc = pSource->value + pPathRoot->value_length;
763	if ( *pszSrc == '/'
764	&& !strncmp(pszSrc + 1, pPathSubCur->value, pPathSubCur->value_length)
765	&& ( pszSrc[pPathSubCur->value_length + 1] == '/'
766	\|\| pszSrc[pPathSubCur->value_length + 1] == '\0'))
767	pszSrc += 1 + pPathSubCur->value_length;
768	}
769	else
770	pszSrc = pSource->value;
771
772	/* skip root specification */
773	#ifdef HAVE_DOS_PATHS
774	if (isalpha(pszSrc[0]) && pszSrc[1] == ':')
775	pszSrc += 2;
776	#endif
777	while (*pszSrc == '/'
778	#ifdef HAVE_DOS_PATHS
779	\|\| *pszSrc == '\\'
780	#endif
781	)
782	pszSrc++;
783
784	/* drop the source extension. */
785	pszSrcEnd = pSource->value + pSource->value_length;
786	for (;;)
787	{
788	pszSrcEnd--;
789	if ( pszSrcEnd <= pszSrc
790	\|\| *pszSrcEnd == '/'
791	#ifdef HAVE_DOS_PATHS
792	\|\| *pszSrcEnd == '\\'
793	\|\| *pszSrcEnd == ':'
794	#endif
795	)
796	{
797	pszSrcEnd = pSource->value + pSource->value_length;
798	break;
799	}
800	if (*pszSrcEnd == '.')
801	break;
802	}
803
804	/*
805	* Assemble the string on the stack and define the objbase variable
806	* which we then return.
807	*/
808	cch = pPathTarget->value_length
809	+ 1 /* slash */
810	+ pTarget->value_length
811	+ 1 /* slash */
812	+ cchSrcPrefix
813	+ pszSrcEnd - pszSrc
814	+ 1;
815	psz = pszResult = xmalloc(cch);
816
817	memcpy(psz, pPathTarget->value, pPathTarget->value_length); psz += pPathTarget->value_length;
818	*psz++ = '/';
819	memcpy(psz, pTarget->value, pTarget->value_length); psz += pTarget->value_length;
820	*psz++ = '/';
821	if (pszSrcPrefix)
822	{
823	memcpy(psz, pszSrcPrefix, cchSrcPrefix);
824	psz += cchSrcPrefix;
825	}
826	memcpy(psz, pszSrc, pszSrcEnd - pszSrc); psz += pszSrcEnd - pszSrc;
827	*psz = '\0';
828
829	/*
830	* Define the variable in the current set and return it.
831	*/
832	return define_variable_vl(pszVarName, strlen(pszVarName), pszResult, cch - 1,
833	0 /* use pszResult /, o_file, 0 / !recursive */);
834	}
835
836	/* Implements _OBJECT_BASE. */
837	char *
838	func_kbuild_object_base(char o, char argv, const char pszFuncName)
839	{
840	struct variable *pVar = kbuild_get_object_base(kbuild_lookup_variable("target"),
841	kbuild_lookup_variable("source"),
842	argv[0]);
843	if (pVar)
844	o = variable_buffer_output(o, pVar->value, pVar->value_length);
845	return o;
846
847	}
848
849
850	struct kbuild_sdks
851	{
852	char *apsz[4];
853	struct variable *pa;
854	unsigned c;
855	unsigned iGlobal;
856	unsigned cGlobal;
857	unsigned iTarget;
858	unsigned cTarget;
859	unsigned iSource;
860	unsigned cSource;
861	unsigned iTargetSource;
862	unsigned cTargetSource;
863	};
864
865	/* Fills in the SDK struct (remember to free it). */
866	static void
867	kbuild_get_sdks(struct kbuild_sdks pSdks, struct variable pTarget, struct variable *pSource,
868	struct variable pBldType, struct variable pBldTrg, struct variable *pBldTrgArch)
869	{
870	int i, j;
871	size_t cchTmp, cch;
872	char *pszTmp;
873	unsigned cchCur;
874	char *pszCur;
875	const char *pszIterator;
876
877	/* basic init. */
878	pSdks->pa = NULL;
879	pSdks->c = 0;
880	i = 0;
881
882	/* determin required tmp variable name space. */
883	cchTmp = sizeof("$(__SDKS) $(__SDKS.) $(__SDKS.) $(__SDKS.) $(__SDKS..)")
884	+ (pTarget->value_length + pSource->value_length) * 5
885	+ pBldType->value_length
886	+ pBldTrg->value_length
887	+ pBldTrgArch->value_length
888	+ pBldTrg->value_length + pBldTrgArch->value_length;
889	pszTmp = alloca(cchTmp);
890
891	/* the global sdks. */
892	pSdks->iGlobal = i;
893	pSdks->cGlobal = 0;
894	sprintf(pszTmp, "$(SDKS) $(SDKS.%s) $(SDKS.%s) $(SDKS.%s) $(SDKS.%s.%s)",
895	pBldType->value,
896	pBldTrg->value,
897	pBldTrgArch->value,
898	pBldTrg->value, pBldTrgArch->value);
899	pszIterator = pSdks->apsz[0] = allocated_variable_expand(pszTmp);
900	while ((pszCur = find_next_token(&pszIterator, &cchCur)) != 0)
901	pSdks->cGlobal++;
902	i += pSdks->cGlobal;
903
904	/* the target sdks.*/
905	pSdks->iTarget = i;
906	pSdks->cTarget = 0;
907	sprintf(pszTmp, "$(%s_SDKS) $(%s_SDKS.%s) $(%s_SDKS.%s) $(%s_SDKS.%s) $(%s_SDKS.%s.%s)",
908	pTarget->value,
909	pTarget->value, pBldType->value,
910	pTarget->value, pBldTrg->value,
911	pTarget->value, pBldTrgArch->value,
912	pTarget->value, pBldTrg->value, pBldTrgArch->value);
913	pszIterator = pSdks->apsz[1] = allocated_variable_expand(pszTmp);
914	while ((pszCur = find_next_token(&pszIterator, &cchCur)) != 0)
915	pSdks->cTarget++;
916	i += pSdks->cTarget;
917
918	/* the source sdks.*/
919	pSdks->iSource = i;
920	pSdks->cSource = 0;
921	sprintf(pszTmp, "$(%s_SDKS) $(%s_SDKS.%s) $(%s_SDKS.%s) $(%s_SDKS.%s) $(%s_SDKS.%s.%s)",
922	pSource->value,
923	pSource->value, pBldType->value,
924	pSource->value, pBldTrg->value,
925	pSource->value, pBldTrgArch->value,
926	pSource->value, pBldTrg->value, pBldTrgArch->value);
927	pszIterator = pSdks->apsz[2] = allocated_variable_expand(pszTmp);
928	while ((pszCur = find_next_token(&pszIterator, &cchCur)) != 0)
929	pSdks->cSource++;
930	i += pSdks->cSource;
931
932	/* the target + source sdks. */
933	pSdks->iTargetSource = i;
934	pSdks->cTargetSource = 0;
935	cch = sprintf(pszTmp, "$(%s_%s_SDKS) $(%s_%s_SDKS.%s) $(%s_%s_SDKS.%s) $(%s_%s_SDKS.%s) $(%s_%s_SDKS.%s.%s)",
936	pTarget->value, pSource->value,
937	pTarget->value, pSource->value, pBldType->value,
938	pTarget->value, pSource->value, pBldTrg->value,
939	pTarget->value, pSource->value, pBldTrgArch->value,
940	pTarget->value, pSource->value, pBldTrg->value, pBldTrgArch->value);
941	assert(cch < cchTmp); (void)cch;
942	pszIterator = pSdks->apsz[3] = allocated_variable_expand(pszTmp);
943	while ((pszCur = find_next_token(&pszIterator, &cchCur)) != 0)
944	pSdks->cTargetSource++;
945	i += pSdks->cTargetSource;
946
947	pSdks->c = i;
948	if (!i)
949	return;
950
951	/*
952	* Allocate the variable array and create the variables.
953	*/
954	pSdks->pa = (struct variable )xmalloc(sizeof(pSdks->pa[0]) i);
955	memset(pSdks->pa, 0, sizeof(pSdks->pa[0]) * i);
956	for (i = j = 0; j < sizeof(pSdks->apsz) / sizeof(pSdks->apsz[0]); j++)
957	{
958	int k = i;
959	pszIterator = pSdks->apsz[j];
960	while ((pszCur = find_next_token(&pszIterator, &cchCur)) != 0)
961	{
962	pSdks->pa[i].value = pszCur;
963	pSdks->pa[i].value_length = cchCur;
964	i++;
965	}
966	}
967	assert(i == pSdks->c);
968
969	/* terminate them (find_next_token won't work if we terminate them in the previous loop). */
970	while (i-- > 0)
971	pSdks->pa[i].value[pSdks->pa[i].value_length] = '\0';
972	}
973
974	/* releases resources allocated in the kbuild_get_sdks. */
975	static void
976	kbuild_put_sdks(struct kbuild_sdks *pSdks)
977	{
978	unsigned j;
979	for (j = 0; j < sizeof(pSdks->apsz) / sizeof(pSdks->apsz[0]); j++)
980	free(pSdks->apsz[j]);
981	free(pSdks->pa);
982	}
983
984	/* this kind of stuff:
985
986	defs := $(kb-src-exp defs)
987	$(TOOL_$(tool)_DEFS)\
988	$(TOOL_$(tool)_DEFS.$(bld_type))\
989	$(TOOL_$(tool)_DEFS.$(bld_trg))\
990	$(TOOL_$(tool)_DEFS.$(bld_trg_arch))\
991	$(TOOL_$(tool)_DEFS.$(bld_trg).$(bld_trg_arch))\
992	$(TOOL_$(tool)_DEFS.$(bld_trg_cpu))\
993	$(TOOL_$(tool)_$(type)DEFS)\
994	$(TOOL_$(tool)_$(type)DEFS.$(bld_type))\
995	$(foreach sdk, $(SDKS.$(bld_trg)) \
996	$(SDKS.$(bld_trg).$(bld_trg_arch)) \
997	$(SDKS.$(bld_type)) \
998	$(SDKS),\
999	$(SDK_$(sdk)_DEFS)\
1000	$(SDK_$(sdk)_DEFS.$(bld_type))\
1001	$(SDK_$(sdk)_DEFS.$(bld_trg))\
1002	$(SDK_$(sdk)_DEFS.$(bld_trg_arch))\
1003	$(SDK_$(sdk)_DEFS.$(bld_trg).$(bld_trg_arch))\
1004	$(SDK_$(sdk)_DEFS.$(bld_trg_cpu))\
1005	$(SDK_$(sdk)_$(type)DEFS)\
1006	$(SDK_$(sdk)_$(type)DEFS.$(bld_type))\
1007	$(SDK_$(sdk)_$(type)DEFS.$(bld_trg))\
1008	$(SDK_$(sdk)_$(type)DEFS.$(bld_trg_arch))\
1009	$(SDK_$(sdk)_$(type)DEFS.$(bld_trg).$(bld_trg_arch))\
1010	$(SDK_$(sdk)_$(type)DEFS.$(bld_trg_cpu)))\
1011	$(DEFS)\
1012	$(DEFS.$(bld_type))\
1013	$(DEFS.$(bld_trg))\
1014	$(DEFS.$(bld_trg_arch))\
1015	$(DEFS.$(bld_trg).$(bld_trg_arch))\
1016	$(DEFS.$(bld_trg_cpu))\
1017	$($(type)DEFS)\
1018	$($(type)DEFS.$(bld_type))\
1019	$($(type)DEFS.$(bld_trg))\
1020	$($(type)DEFS.$(bld_trg_arch))\
1021	$($(type)DEFS.$(bld_trg).$(bld_trg_arch))\
1022	$($(type)DEFS.$(bld_trg_cpu))\
1023	$(foreach sdk, $($(target)_SDKS.$(bld_trg)) \
1024	$($(target)_SDKS.$(bld_trg).$(bld_trg_arch)) \
1025	$($(target)_SDKS.$(bld_type)) \
1026	$($(target)_SDKS),\
1027	$(SDK_$(sdk)_DEFS)\
1028	$(SDK_$(sdk)_DEFS.$(bld_type))\
1029	$(SDK_$(sdk)_DEFS.$(bld_trg))\
1030	$(SDK_$(sdk)_DEFS.$(bld_trg_arch))\
1031	$(SDK_$(sdk)_DEFS.$(bld_trg).$(bld_trg_arch))\
1032	$(SDK_$(sdk)_DEFS.$(bld_trg_cpu))\
1033	$(SDK_$(sdk)_$(type)DEFS)\
1034	$(SDK_$(sdk)_$(type)DEFS.$(bld_type))\
1035	$(SDK_$(sdk)_$(type)DEFS.$(bld_trg))\
1036	$(SDK_$(sdk)_$(type)DEFS.$(bld_trg_arch))\
1037	$(SDK_$(sdk)_$(type)DEFS.$(bld_trg).$(bld_trg_arch))\
1038	$(SDK_$(sdk)_$(type)DEFS.$(bld_trg_cpu)))\
1039	$($(target)_DEFS)\
1040	$($(target)_DEFS.$(bld_type))\
1041	$($(target)_DEFS.$(bld_trg))\
1042	$($(target)_DEFS.$(bld_trg_arch))\
1043	$($(target)_DEFS.$(bld_trg).$(bld_trg_arch))\
1044	$($(target)_DEFS.$(bld_trg_cpu))\
1045	$($(target)_$(type)DEFS)\
1046	$($(target)_$(type)DEFS.$(bld_type))\
1047	$($(target)_$(type)DEFS.$(bld_trg))\
1048	$($(target)_$(type)DEFS.$(bld_trg_arch))\
1049	$($(target)_$(type)DEFS.$(bld_trg).$(bld_trg_arch))\
1050	$($(target)_$(type)DEFS.$(bld_trg_cpu))\
1051	$(foreach sdk, $($(source)_SDKS.$(bld_trg)) \
1052	$($(source)_SDKS.$(bld_trg).$(bld_trg_arch)) \
1053	$($(source)_SDKS.$(bld_type)) \
1054	$($(source)_SDKS),\
1055	$(SDK_$(sdk)_DEFS)\
1056	$(SDK_$(sdk)_DEFS.$(bld_type))\
1057	$(SDK_$(sdk)_DEFS.$(bld_trg))\
1058	$(SDK_$(sdk)_DEFS.$(bld_trg_arch))\
1059	$(SDK_$(sdk)_DEFS.$(bld_trg).$(bld_trg_arch))\
1060	$(SDK_$(sdk)_DEFS.$(bld_trg_cpu))\
1061	$(SDK_$(sdk)_$(type)DEFS)\
1062	$(SDK_$(sdk)_$(type)DEFS.$(bld_type))\
1063	$(SDK_$(sdk)_$(type)DEFS.$(bld_trg))\
1064	$(SDK_$(sdk)_$(type)DEFS.$(bld_trg_arch))\
1065	$(SDK_$(sdk)_$(type)DEFS.$(bld_trg).$(bld_trg_arch))\
1066	$(SDK_$(sdk)_$(type)DEFS.$(bld_trg_cpu)))\
1067	$($(source)_DEFS)\
1068	$($(source)_DEFS.$(bld_type))\
1069	$($(source)_DEFS.$(bld_trg))\
1070	$($(source)_DEFS.$(bld_trg_arch))\
1071	$($(source)_DEFS.$(bld_trg).$(bld_trg_arch))\
1072	$($(source)_DEFS.$(bld_trg_cpu))\
1073	$($(source)_$(type)DEFS)\
1074	$($(source)_$(type)DEFS.$(bld_type))\
1075	$($(source)_$(type)DEFS.$(bld_trg))\
1076	$($(source)_$(type)DEFS.$(bld_trg_arch))\
1077	$($(source)_$(type)DEFS.$(bld_trg).$(bld_trg_arch))\
1078	$($(source)_$(type)DEFS.$(bld_trg_cpu))\
1079	$(foreach sdk, $($(target)_$(source)_SDKS.$(bld_trg)) \
1080	$($(target)_$(source)_SDKS.$(bld_trg).$(bld_trg_arch)) \
1081	$($(target)_$(source)_SDKS.$(bld_type)) \
1082	$($(target)_$(source)_SDKS),\
1083	$(SDK_$(sdk)_DEFS)\
1084	$(SDK_$(sdk)_DEFS.$(bld_type))\
1085	$(SDK_$(sdk)_DEFS.$(bld_trg))\
1086	$(SDK_$(sdk)_DEFS.$(bld_trg_arch))\
1087	$(SDK_$(sdk)_DEFS.$(bld_trg).$(bld_trg_arch))\
1088	$(SDK_$(sdk)_DEFS.$(bld_trg_cpu))\
1089	$(SDK_$(sdk)_$(type)DEFS)\
1090	$(SDK_$(sdk)_$(type)DEFS.$(bld_type))\
1091	$(SDK_$(sdk)_$(type)DEFS.$(bld_trg))\
1092	$(SDK_$(sdk)_$(type)DEFS.$(bld_trg_arch))\
1093	$(SDK_$(sdk)_$(type)DEFS.$(bld_trg).$(bld_trg_arch))\
1094	$(SDK_$(sdk)_$(type)DEFS.$(bld_trg_cpu)))\
1095	$($(target)_$(source)_DEFS)\
1096	$($(target)_$(source)_DEFS.$(bld_type))\
1097	$($(target)_$(source)_DEFS.$(bld_trg))\
1098	$($(target)_$(source)_DEFS.$(bld_trg_arch))\
1099	$($(target)_$(source)_DEFS.$(bld_trg).$(bld_trg_arch))\
1100	$($(target)_$(source)_DEFS.$(bld_trg_cpu))\
1101	$($(target)_$(source)_$(type)DEFS)\
1102	$($(target)_$(source)_$(type)DEFS.$(bld_type))\
1103	$($(target)_$(source)_$(type)DEFS.$(bld_trg))\
1104	$($(target)_$(source)_$(type)DEFS.$(bld_trg_arch))\
1105	$($(target)_$(source)_$(type)DEFS.$(bld_trg).$(bld_trg_arch))\
1106	$($(target)_$(source)_$(type)DEFS.$(bld_trg_cpu))
1107	*/
1108	static struct variable *
1109	kbuild_collect_source_prop(struct variable pTarget, struct variable pSource,
1110	struct variable pTool, struct kbuild_sdks pSdks,
1111	struct variable pType, struct variable pBldType,
1112	struct variable pBldTrg, struct variable pBldTrgArch, struct variable *pBldTrgCpu,
1113	struct variable *pDefPath,
1114	const char pszProp, const char pszVarName, int iDirection)
1115	{
1116	struct variable *pVar;
1117	unsigned iSdk, iSdkEnd;
1118	int cVars, iVar, iVarEnd;
1119	size_t cchTotal;
1120	char pszResult, psz;
1121	struct
1122	{
1123	struct variable *pVar;
1124	int cchExp;
1125	char *pszExp;
1126	} *paVars;
1127
1128	struct variable Prop = {0};
1129	Prop.value = (char *)pszProp;
1130	Prop.value_length = strlen(pszProp);
1131
1132	assert(iDirection == 1 \|\| iDirection == -1);
1133
1134	/*
1135	* Get the variables.
1136	*/
1137	cVars = 12 * (pSdks->c + 5);
1138	paVars = alloca(cVars * sizeof(paVars[0]));
1139
1140	iVar = 0;
1141	/* the tool (lowest priority) */
1142	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "TOOL_%_%", pTool, &Prop);
1143	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "TOOL_%_%.%", pTool, &Prop, pBldType);
1144	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "TOOL_%_%.%", pTool, &Prop, pBldTrg);
1145	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "TOOL_%_%.%", pTool, &Prop, pBldTrgArch);
1146	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "TOOL_%_%.%.%", pTool, &Prop, pBldTrg, pBldTrgArch);
1147	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "TOOL_%_%.%", pTool, &Prop, pBldTrgCpu);
1148
1149	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "TOOL_%_%%", pTool, pType, &Prop);
1150	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "TOOL_%_%%.%", pTool, pType, &Prop, pBldType);
1151	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "TOOL_%_%%.%", pTool, pType, &Prop, pBldTrg);
1152	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "TOOL_%_%%.%", pTool, pType, &Prop, pBldTrgArch);
1153	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "TOOL_%_%%.%.%", pTool, pType, &Prop, pBldTrg, pBldTrgArch);
1154	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "TOOL_%_%%.%", pTool, pType, &Prop, pBldTrgCpu);
1155
1156	/* the global sdks */
1157	iSdkEnd = iDirection == 1 ? pSdks->iGlobal + pSdks->cGlobal : pSdks->iGlobal - 1;
1158	for (iSdk = iDirection == 1 ? pSdks->iGlobal : pSdks->iGlobal + pSdks->cGlobal - 1;
1159	iSdk != iSdkEnd;
1160	iSdk += iDirection)
1161	{
1162	struct variable *pSdk = &pSdks->pa[iSdk];
1163	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "SDK_%_%", pSdk, &Prop);
1164	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "SDK_%_%.%", pSdk, &Prop, pBldType);
1165	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "SDK_%_%.%", pSdk, &Prop, pBldTrg);
1166	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "SDK_%_%.%", pSdk, &Prop, pBldTrgArch);
1167	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "SDK_%_%.%.%", pSdk, &Prop, pBldTrg, pBldTrgArch);
1168	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "SDK_%_%.%", pSdk, &Prop, pBldTrgCpu);
1169
1170	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "SDK_%_%%", pSdk, pType, &Prop);
1171	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "SDK_%_%%.%", pSdk, pType, &Prop, pBldType);
1172	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "SDK_%_%%.%", pSdk, pType, &Prop, pBldTrg);
1173	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "SDK_%_%%.%", pSdk, pType, &Prop, pBldTrgArch);
1174	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "SDK_%_%%.%.%", pSdk, pType, &Prop, pBldTrg, pBldTrgArch);
1175	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "SDK_%_%%.%", pSdk, pType, &Prop, pBldTrgCpu);
1176	}
1177
1178	/* the globals */
1179	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "%", &Prop);
1180	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "%.%", &Prop, pBldType);
1181	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "%.%", &Prop, pBldTrg);
1182	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "%.%", &Prop, pBldTrgArch);
1183	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "%.%.%", &Prop, pBldTrg, pBldTrgArch);
1184	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "%.%", &Prop, pBldTrgCpu);
1185
1186	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "%%", pType, &Prop);
1187	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "%%.%", pType, &Prop, pBldType);
1188	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "%%.%", pType, &Prop, pBldTrg);
1189	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "%%.%", pType, &Prop, pBldTrgArch);
1190	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "%%.%.%", pType, &Prop, pBldTrg, pBldTrgArch);
1191	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "%%.%", pType, &Prop, pBldTrgCpu);
1192
1193	/* the target sdks */
1194	iSdkEnd = iDirection == 1 ? pSdks->iTarget + pSdks->cTarget : pSdks->iTarget - 1;
1195	for (iSdk = iDirection == 1 ? pSdks->iTarget : pSdks->iTarget + pSdks->cTarget - 1;
1196	iSdk != iSdkEnd;
1197	iSdk += iDirection)
1198	{
1199	struct variable *pSdk = &pSdks->pa[iSdk];
1200	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "SDK_%_%", pSdk, &Prop);
1201	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "SDK_%_%.%", pSdk, &Prop, pBldType);
1202	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "SDK_%_%.%", pSdk, &Prop, pBldTrg);
1203	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "SDK_%_%.%", pSdk, &Prop, pBldTrgArch);
1204	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "SDK_%_%.%.%", pSdk, &Prop, pBldTrg, pBldTrgArch);
1205	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "SDK_%_%.%", pSdk, &Prop, pBldTrgCpu);
1206
1207	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "SDK_%_%%", pSdk, pType, &Prop);
1208	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "SDK_%_%%.%", pSdk, pType, &Prop, pBldType);
1209	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "SDK_%_%%.%", pSdk, pType, &Prop, pBldTrg);
1210	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "SDK_%_%%.%", pSdk, pType, &Prop, pBldTrgArch);
1211	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "SDK_%_%%.%.%", pSdk, pType, &Prop, pBldTrg, pBldTrgArch);
1212	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "SDK_%_%%.%", pSdk, pType, &Prop, pBldTrgCpu);
1213	}
1214
1215	/* the target */
1216	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(pDefPath, "%_%", pTarget, &Prop);
1217	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(pDefPath, "%_%.%", pTarget, &Prop, pBldType);
1218	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(pDefPath, "%_%.%", pTarget, &Prop, pBldTrg);
1219	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(pDefPath, "%_%.%", pTarget, &Prop, pBldTrgArch);
1220	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(pDefPath, "%_%.%.%", pTarget, &Prop, pBldTrg, pBldTrgArch);
1221	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(pDefPath, "%_%.%", pTarget, &Prop, pBldTrgCpu);
1222
1223	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(pDefPath, "%_%%", pTarget, pType, &Prop);
1224	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(pDefPath, "%_%%.%", pTarget, pType, &Prop, pBldType);
1225	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(pDefPath, "%_%%.%", pTarget, pType, &Prop, pBldTrg);
1226	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(pDefPath, "%_%%.%", pTarget, pType, &Prop, pBldTrgArch);
1227	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(pDefPath, "%_%%.%.%", pTarget, pType, &Prop, pBldTrg, pBldTrgArch);
1228	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(pDefPath, "%_%%.%", pTarget, pType, &Prop, pBldTrgCpu);
1229
1230	/* the source sdks */
1231	iSdkEnd = iDirection == 1 ? pSdks->iSource + pSdks->cSource : pSdks->iSource - 1;
1232	for (iSdk = iDirection == 1 ? pSdks->iSource : pSdks->iSource + pSdks->cSource - 1;
1233	iSdk != iSdkEnd;
1234	iSdk += iDirection)
1235	{
1236	struct variable *pSdk = &pSdks->pa[iSdk];
1237	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "SDK_%_%", pSdk, &Prop);
1238	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "SDK_%_%.%", pSdk, &Prop, pBldType);
1239	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "SDK_%_%.%", pSdk, &Prop, pBldTrg);
1240	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "SDK_%_%.%", pSdk, &Prop, pBldTrgArch);
1241	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "SDK_%_%.%.%", pSdk, &Prop, pBldTrg, pBldTrgArch);
1242	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "SDK_%_%.%", pSdk, &Prop, pBldTrgCpu);
1243
1244	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "SDK_%_%%", pSdk, pType, &Prop);
1245	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "SDK_%_%%.%", pSdk, pType, &Prop, pBldType);
1246	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "SDK_%_%%.%", pSdk, pType, &Prop, pBldTrg);
1247	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "SDK_%_%%.%", pSdk, pType, &Prop, pBldTrgArch);
1248	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "SDK_%_%%.%.%", pSdk, pType, &Prop, pBldTrg, pBldTrgArch);
1249	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(NULL, "SDK_%_%%.%", pSdk, pType, &Prop, pBldTrgCpu);
1250	}
1251
1252	/* the source */
1253	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(pDefPath, "%_%", pSource, &Prop);
1254	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(pDefPath, "%_%.%", pSource, &Prop, pBldType);
1255	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(pDefPath, "%_%.%", pSource, &Prop, pBldTrg);
1256	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(pDefPath, "%_%.%", pSource, &Prop, pBldTrgArch);
1257	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(pDefPath, "%_%.%.%", pSource, &Prop, pBldTrg, pBldTrgArch);
1258	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(pDefPath, "%_%.%", pSource, &Prop, pBldTrgCpu);
1259
1260	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(pDefPath, "%_%%", pSource, pType, &Prop);
1261	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(pDefPath, "%_%%.%", pSource, pType, &Prop, pBldType);
1262	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(pDefPath, "%_%%.%", pSource, pType, &Prop, pBldTrg);
1263	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(pDefPath, "%_%%.%", pSource, pType, &Prop, pBldTrgArch);
1264	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(pDefPath, "%_%%.%.%", pSource, pType, &Prop, pBldTrg, pBldTrgArch);
1265	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(pDefPath, "%_%%.%", pSource, pType, &Prop, pBldTrgCpu);
1266
1267
1268	/* the target + source sdks */
1269	iSdkEnd = iDirection == 1 ? pSdks->iTargetSource + pSdks->cTargetSource : pSdks->iTargetSource - 1;
1270	for (iSdk = iDirection == 1 ? pSdks->iTargetSource : pSdks->iTargetSource + pSdks->cTargetSource - 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 target + source */
1291	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(pDefPath, "%_%_%", pTarget, pSource, &Prop);
1292	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(pDefPath, "%_%_%.%", pTarget, pSource, &Prop, pBldType);
1293	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(pDefPath, "%_%_%.%", pTarget, pSource, &Prop, pBldTrg);
1294	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(pDefPath, "%_%_%.%", pTarget, pSource, &Prop, pBldTrgArch);
1295	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(pDefPath, "%_%_%.%.%", pTarget, pSource, &Prop, pBldTrg, pBldTrgArch);
1296	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(pDefPath, "%_%_%.%", pTarget, pSource, &Prop, pBldTrgCpu);
1297
1298	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(pDefPath, "%_%_%%", pTarget, pSource, pType, &Prop);
1299	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(pDefPath, "%_%_%%.%", pTarget, pSource, pType, &Prop, pBldType);
1300	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(pDefPath, "%_%_%%.%", pTarget, pSource, pType, &Prop, pBldTrg);
1301	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(pDefPath, "%_%_%%.%", pTarget, pSource, pType, &Prop, pBldTrgArch);
1302	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(pDefPath, "%_%_%%.%.%", pTarget, pSource, pType, &Prop, pBldTrg, pBldTrgArch);
1303	paVars[iVar++].pVar = kbuild_lookup_variable_fmt(pDefPath, "%_%_%%.%", pTarget, pSource, pType, &Prop, pBldTrgCpu);
1304
1305	assert(cVars == iVar);
1306
1307	/*
1308	* Expand the variables and calculate the total length.
1309	*/
1310	cchTotal = 0;
1311	iVarEnd = iDirection == 1 ? cVars : 0;
1312	for (iVar = iDirection == 1 ? 0 : cVars - 1; iVar != iVarEnd; iVar += iDirection)
1313	{
1314	paVars[iVar].cchExp = 0;
1315	if (!paVars[iVar].pVar)
1316	continue;
1317	if ( paVars[iVar].pVar->flavor == f_simple
1318	\|\| !strchr(paVars[iVar].pVar->value, '$'))
1319	{
1320	paVars[iVar].pszExp = paVars[iVar].pVar->value;
1321	paVars[iVar].cchExp = paVars[iVar].pVar->value_length;
1322	}
1323	else
1324	{
1325	paVars[iVar].pszExp = allocated_variable_expand(paVars[iVar].pVar->value);
1326	paVars[iVar].cchExp = strlen(paVars[iVar].pszExp);
1327	}
1328	if (pDefPath)
1329	kbuild_apply_defpath(pDefPath, &paVars[iVar].pszExp, &paVars[iVar].cchExp, NULL,
1330	paVars[iVar].pszExp != paVars[iVar].pVar->value);
1331	cchTotal += paVars[iVar].cchExp + 1;
1332	}
1333
1334	/*
1335	* Construct the result value.
1336	*/
1337	psz = pszResult = xmalloc(cchTotal + 1);
1338	iVarEnd = iDirection == 1 ? cVars : 0;
1339	for (iVar = iDirection == 1 ? 0 : cVars - 1; iVar != iVarEnd; iVar += iDirection)
1340	{
1341	if (!paVars[iVar].cchExp)
1342	continue;
1343	memcpy(psz, paVars[iVar].pszExp, paVars[iVar].cchExp);
1344	psz += paVars[iVar].cchExp;
1345	*psz++ = ' ';
1346	if (paVars[iVar].pszExp != paVars[iVar].pVar->value)
1347	free(paVars[iVar].pszExp);
1348	}
1349	if (psz != pszResult)
1350	psz--;
1351	*psz = '\0';
1352	cchTotal = psz - pszResult;
1353
1354	pVar = define_variable_vl(pszVarName, strlen(pszVarName), pszResult, cchTotal,
1355	0 /* take pszResult / , o_file, 0 / !recursive */);
1356	return pVar;
1357	}
1358
1359	/* get a source property. Doesn't respect the default path. */
1360	char *
1361	func_kbuild_source_prop(char o, char argv, const char pszFuncName)
1362	{
1363	struct variable *pTarget = kbuild_get_variable("target");
1364	struct variable *pSource = kbuild_get_variable("source");
1365	struct variable *pDefPath = NULL;
1366	struct variable *pType = kbuild_get_variable("type");
1367	struct variable *pTool = kbuild_get_variable("tool");
1368	struct variable *pBldType = kbuild_get_variable("bld_type");
1369	struct variable *pBldTrg = kbuild_get_variable("bld_trg");
1370	struct variable *pBldTrgArch = kbuild_get_variable("bld_trg_arch");
1371	struct variable *pBldTrgCpu = kbuild_get_variable("bld_trg_cpu");
1372	struct variable *pVar;
1373	struct kbuild_sdks Sdks;
1374	int iDirection;
1375	if (!strcmp(argv[2], "left-to-right"))
1376	iDirection = 1;
1377	else if (!strcmp(argv[2], "right-to-left"))
1378	iDirection = -1;
1379	else
1380	fatal(NILF, _("incorrect direction argument `%s'!"), argv[2]);
1381	if (argv[3])
1382	pDefPath = kbuild_get_variable("defpath");
1383
1384	kbuild_get_sdks(&Sdks, pTarget, pSource, pBldType, pBldTrg, pBldTrgArch);
1385
1386	pVar = kbuild_collect_source_prop(pTarget, pSource, pTool, &Sdks, pType,
1387	pBldType, pBldTrg, pBldTrgArch, pBldTrgCpu,
1388	pDefPath,
1389	argv[0], argv[1], iDirection);
1390	if (pVar)
1391	o = variable_buffer_output(o, pVar->value, pVar->value_length);
1392
1393	kbuild_put_sdks(&Sdks);
1394	return o;
1395
1396	}
1397
1398	/*
1399	dep := $(obj)$(SUFF_DEP)
1400	obj := $(outbase)$(objsuff)
1401	dirdep := $(call DIRDEP,$(dir $(outbase)))
1402	PATH_$(target)_$(source) := $(patsubst %/,%,$(dir $(outbase)))
1403	*/
1404	static struct variable *
1405	kbuild_set_object_name_and_dep_and_dirdep_and_PATH_target_source(struct variable pTarget, struct variable pSource,
1406	struct variable pOutBase, struct variable pObjSuff,
1407	const char pszVarName, struct variable *ppDep,
1408	struct variable **ppDirDep)
1409	{
1410	struct variable *pDepSuff = kbuild_get_variable("SUFF_DEP");
1411	struct variable *pObj;
1412	size_t cch = pOutBase->value_length + pObjSuff->value_length + pDepSuff->value_length + 1;
1413	char *pszResult = alloca(cch);
1414	char pszName, psz;
1415
1416	/*
1417	* dep.
1418	*/
1419	psz = pszResult;
1420	memcpy(psz, pOutBase->value, pOutBase->value_length); psz += pOutBase->value_length;
1421	memcpy(psz, pObjSuff->value, pObjSuff->value_length); psz += pObjSuff->value_length;
1422	memcpy(psz, pDepSuff->value, pDepSuff->value_length + 1);
1423	ppDep = define_variable_vl("dep", 3, pszResult, cch - 1, 1 /dup/, o_file, 0 / !recursive */);
1424
1425	/*
1426	* obj
1427	*/
1428	*psz = '\0';
1429	pObj = define_variable_vl(pszVarName, strlen(pszVarName), pszResult, psz - pszResult,
1430	1/* dup /, o_file, 0 / !recursive */);
1431
1432	/*
1433	* PATH_$(target)_$(source) - this is global!
1434	*/
1435	/* calc variable name. */
1436	cch = sizeof("PATH_")-1 + pTarget->value_length + sizeof("_")-1 + pSource->value_length;
1437	psz = pszName = alloca(cch + 1);
1438	memcpy(psz, "PATH_", sizeof("PATH_") - 1); psz += sizeof("PATH_") - 1;
1439	memcpy(psz, pTarget->value, pTarget->value_length); psz += pTarget->value_length;
1440	*psz++ = '_';
1441	memcpy(psz, pSource->value, pSource->value_length + 1);
1442
1443	/* strip off the filename. */
1444	psz = pszResult + pOutBase->value_length;
1445	for (;;)
1446	{
1447	psz--;
1448	if (psz <= pszResult)
1449	fatal(NULL, "whut!?! no path? result=`%s'", pszResult);
1450	#ifdef HAVE_DOS_PATHS
1451	if (*psz == ':')
1452	{
1453	psz++;
1454	break;
1455	}
1456	#endif
1457	if ( *psz == '/'
1458	#ifdef HAVE_DOS_PATHS
1459	\|\| *psz == '\\'
1460	#endif
1461	)
1462	{
1463	while ( psz - 1 > pszResult
1464	&& psz[-1] == '/'
1465	#ifdef HAVE_DOS_PATHS
1466	\|\| psz[-1] == '\\'
1467	#endif
1468	)
1469	psz--;
1470	#ifdef HAVE_DOS_PATHS
1471	if (psz == pszResult + 2 && pszResult[1] == ':')
1472	psz++;
1473	#endif
1474	break;
1475	}
1476	}
1477	*psz = '\0';
1478
1479	/* set global variable */
1480	define_variable_vl_global(pszName, cch, pszResult, psz - pszResult, 1/dup/, o_file, 0 /* !recursive */, NILF);
1481
1482	/*
1483	* dirdep
1484	*/
1485	if ( psz[-1] != '/'
1486	#ifdef HAVE_DOS_PATHS
1487	&& psz[-1] != '\\'
1488	&& psz[-1] != ':'
1489	#endif
1490	)
1491	{
1492	*psz++ = '/';
1493	*psz = '\0';
1494	}
1495	ppDirDep = define_variable_vl("dirdep", 6, pszResult, psz - pszResult, 1/dup/, o_file, 0 / !recursive */);
1496
1497	return pObj;
1498	}
1499
1500
1501	/* setup the base variables for def_target_source_c_cpp_asm_new:
1502
1503	X := $(kb-src-tool tool)
1504	x := $(kb-obj-base outbase)
1505	x := $(kb-obj-suff objsuff)
1506	obj := $(outbase)$(objsuff)
1507	PATH_$(target)_$(source) := $(patsubst %/,%,$(dir $(outbase)))
1508
1509	x := $(kb-src-prop DEFS,defs,left-to-right)
1510	x := $(kb-src-prop INCS,incs,right-to-left)
1511	x := $(kb-src-prop FLAGS,flags,right-to-left)
1512
1513	x := $(kb-src-prop DEPS,deps,left-to-right)
1514	dirdep := $(call DIRDEP,$(dir $(outbase)))
1515	dep := $(obj)$(SUFF_DEP)
1516	*/
1517	char *
1518	func_kbuild_source_one(char o, char argv, const char pszFuncName)
1519	{
1520	static int s_fNoCompileCmdsDepsDefined = -1;
1521	struct variable *pTarget = kbuild_get_variable("target");
1522	struct variable *pSource = kbuild_get_variable("source");
1523	struct variable *pDefPath = kbuild_get_variable("defpath");
1524	struct variable *pType = kbuild_get_variable("type");
1525	struct variable *pBldType = kbuild_get_variable("bld_type");
1526	struct variable *pBldTrg = kbuild_get_variable("bld_trg");
1527	struct variable *pBldTrgArch= kbuild_get_variable("bld_trg_arch");
1528	struct variable *pBldTrgCpu = kbuild_get_variable("bld_trg_cpu");
1529	struct variable *pTool = kbuild_get_source_tool(pTarget, pSource, pType, pBldTrg, pBldTrgArch, "tool");
1530	struct variable *pOutBase = kbuild_get_object_base(pTarget, pSource, "outbase");
1531	struct variable *pObjSuff = kbuild_get_object_suffix(pTarget, pSource, pTool, pType, pBldTrg, pBldTrgArch, "objsuff");
1532	struct variable pDefs, pIncs, pFlags, pDeps, pOrderDeps, pDirDep, pDep, pVar, *pOutput;
1533	struct variable *pObj = kbuild_set_object_name_and_dep_and_dirdep_and_PATH_target_source(pTarget, pSource, pOutBase, pObjSuff, "obj", &pDep, &pDirDep);
1534	char pszDstVar, pszDst, pszSrcVar, pszSrc, pszVal, psz;
1535	char *pszSavedVarBuf;
1536	unsigned cchSavedVarBuf;
1537	size_t cch;
1538	struct kbuild_sdks Sdks;
1539
1540	/*
1541	* Gather properties.
1542	*/
1543	kbuild_get_sdks(&Sdks, pTarget, pSource, pBldType, pBldTrg, pBldTrgArch);
1544
1545	if (pDefPath && !pDefPath->value_length)
1546	pDefPath = NULL;
1547	pDefs = kbuild_collect_source_prop(pTarget, pSource, pTool, &Sdks, pType, pBldType, pBldTrg, pBldTrgArch, pBldTrgCpu, NULL,
1548	"DEFS", "defs", 1/* left-to-right */);
1549	pIncs = kbuild_collect_source_prop(pTarget, pSource, pTool, &Sdks, pType, pBldType, pBldTrg, pBldTrgArch, pBldTrgCpu, pDefPath,
1550	"INCS", "incs", -1/* right-to-left */);
1551	pFlags = kbuild_collect_source_prop(pTarget, pSource, pTool, &Sdks, pType, pBldType, pBldTrg, pBldTrgArch, pBldTrgCpu, NULL,
1552	"FLAGS", "flags", 1/* left-to-right */);
1553	pDeps = kbuild_collect_source_prop(pTarget, pSource, pTool, &Sdks, pType, pBldType, pBldTrg, pBldTrgArch, pBldTrgCpu, pDefPath,
1554	"DEPS", "deps", 1/* left-to-right */);
1555	pOrderDeps = kbuild_collect_source_prop(pTarget, pSource, pTool, &Sdks, pType, pBldType, pBldTrg, pBldTrgArch, pBldTrgCpu, pDefPath,
1556	"ORDERDEPS", "orderdeps", 1/* left-to-right */);
1557
1558	/*
1559	* If we've got a default path, we must expand the source now.
1560	* If we do this too early, "<source>_property = stuff" won't work becuase
1561	* our 'source' value isn't what the user expects.
1562	*/
1563	if (pDefPath)
1564	kbuild_apply_defpath(pDefPath, &pSource->value, &pSource->value_length, &pSource->value_alloc_len, 1 /* can free */);
1565
1566	/*
1567	# dependencies
1568	ifndef NO_COMPILE_CMDS_DEPS
1569	_DEPFILES_INCLUDED += $(dep)
1570	$(if $(wildcard $(dep)),$(eval include $(dep)))
1571	endif
1572	*/
1573	if (s_fNoCompileCmdsDepsDefined == -1)
1574	s_fNoCompileCmdsDepsDefined = kbuild_lookup_variable("NO_COMPILE_CMDS_DEPS") != NULL;
1575	if (!s_fNoCompileCmdsDepsDefined)
1576	{
1577	do_variable_definition(NILF, "_DEPFILES_INCLUDED", pDep->value, o_file, f_append, 0 /* !target_var */);
1578	eval_include_dep(pDep->value, NILF);
1579	}
1580
1581	/*
1582	# call the tool
1583	$(target)_$(source)_CMDS_ := $(TOOL_$(tool)_COMPILE_$(type)_CMDS)
1584	$(target)_$(source)_OUTPUT_ := $(TOOL_$(tool)_COMPILE_$(type)_OUTPUT)
1585	$(target)_$(source)_DEPEND_ := $(TOOL_$(tool)_COMPILE_$(type)_DEPEND) $(deps) $(source)
1586	$(target)_$(source)_DEPORD_ := $(TOOL_$(tool)_COMPILE_$(type)_DEPORD) $(dirdep)
1587	*/
1588	cch = sizeof("TOOL_") + pTool->value_length + sizeof("_COMPILE_") + pType->value_length + sizeof("_OUTPUT");
1589	psz = pszSrcVar = alloca(cch);
1590	memcpy(psz, "TOOL_", sizeof("TOOL_") - 1); psz += sizeof("TOOL_") - 1;
1591	memcpy(psz, pTool->value, pTool->value_length); psz += pTool->value_length;
1592	memcpy(psz, "_COMPILE_", sizeof("_COMPILE_") - 1); psz += sizeof("_COMPILE_") - 1;
1593	memcpy(psz, pType->value, pType->value_length); psz += pType->value_length;
1594	pszSrc = psz;
1595
1596	cch = pTarget->value_length + 1 + pSource->value_length + sizeof("_OUTPUT_");
1597	psz = pszDstVar = alloca(cch);
1598	memcpy(psz, pTarget->value, pTarget->value_length); psz += pTarget->value_length;
1599	*psz++ = '_';
1600	memcpy(psz, pSource->value, pSource->value_length); psz += pSource->value_length;
1601	pszDst = psz;
1602
1603	memcpy(pszSrc, "_CMDS", sizeof("_CMDS"));
1604	memcpy(pszDst, "_CMDS_", sizeof("_CMDS_"));
1605	pVar = kbuild_get_recursive_variable(pszSrcVar);
1606	do_variable_definition(NILF, pszDstVar, pVar->value, o_file, f_simple, 0 /* !target_var */);
1607
1608	memcpy(pszSrc, "_OUTPUT", sizeof("_OUTPUT"));
1609	memcpy(pszDst, "_OUTPUT_", sizeof("_OUTPUT_"));
1610	pVar = kbuild_get_recursive_variable(pszSrcVar);
1611	pOutput = do_variable_definition(NILF, pszDstVar, pVar->value, o_file, f_simple, 0 /* !target_var */);
1612
1613	memcpy(pszSrc, "_DEPEND", sizeof("_DEPEND"));
1614	memcpy(pszDst, "_DEPEND_", sizeof("_DEPEND_"));
1615	pVar = kbuild_get_recursive_variable(pszSrcVar);
1616	psz = pszVal = xmalloc(pVar->value_length + 1 + pDeps->value_length + 1 + pSource->value_length + 1);
1617	memcpy(psz, pVar->value, pVar->value_length); psz += pVar->value_length;
1618	*psz++ = ' ';
1619	memcpy(psz, pDeps->value, pDeps->value_length); psz += pDeps->value_length;
1620	*psz++ = ' ';
1621	memcpy(psz, pSource->value, pSource->value_length + 1);
1622	do_variable_definition(NILF, pszDstVar, pszVal, o_file, f_simple, 0 /* !target_var */);
1623	free(pszVal);
1624
1625	memcpy(pszSrc, "_DEPORD", sizeof("_DEPORD"));
1626	memcpy(pszDst, "_DEPORD_", sizeof("_DEPORD_"));
1627	pVar = kbuild_get_recursive_variable(pszSrcVar);
1628	psz = pszVal = xmalloc(pVar->value_length + 1 + pDirDep->value_length + 1 + pOrderDeps->value_length + 1);
1629	memcpy(psz, pVar->value, pVar->value_length); psz += pVar->value_length;
1630	*psz++ = ' ';
1631	memcpy(psz, pDirDep->value, pDirDep->value_length); psz += pDirDep->value_length;
1632	*psz++ = ' ';
1633	memcpy(psz, pOrderDeps->value, pOrderDeps->value_length + 1);
1634	do_variable_definition(NILF, pszDstVar, pszVal, o_file, f_simple, 0 /* !target_var */);
1635	free(pszVal);
1636
1637	/*
1638	_OUT_FILES += $($(target)_$(source)_OUTPUT_)
1639	*/
1640	pVar = kbuild_get_variable("_OUT_FILES");
1641	psz = pszVal = xmalloc(pVar->value_length + 1 + pOutput->value_length + 1);
1642	memcpy(psz, pVar->value, pVar->value_length); psz += pVar->value_length;
1643	*psz++ = ' ';
1644	memcpy(psz, pOutput->value, pOutput->value_length + 1);
1645	do_variable_definition(NILF, "_OUT_FILES", pszVal, o_file, f_simple, 0 /* !target_var */);
1646	free(pszVal);
1647
1648	/*
1649	$(target)_OBJS_ += $(obj)
1650	*/
1651	memcpy(pszDstVar + pTarget->value_length, "_OBJS_", sizeof("_OBJS_"));
1652	do_variable_definition(NILF, pszDstVar, pObj->value, o_file, f_append, 0 /* !target_var */);
1653
1654	/*
1655	$(eval $(def_target_source_rule))
1656	*/
1657	pVar = kbuild_get_recursive_variable("def_target_source_rule");
1658	pszVal = allocated_variable_expand(pVar->value);
1659
1660	install_variable_buffer(&pszSavedVarBuf, &cchSavedVarBuf);
1661	eval_buffer(pszVal);
1662	restore_variable_buffer(pszSavedVarBuf, cchSavedVarBuf);
1663
1664	free(pszVal);
1665
1666	kbuild_put_sdks(&Sdks);
1667	return variable_buffer_output(o, "", 1);
1668	}
1669
1670
1671	#endif /* KMK_HELPERS */
1672

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