Add new files to M4/ directory to be used instead of acinclude.m4.

Erik de Castro Lopo committed 17 years ago

Commit 4eedd1a1 parent 5464b896 files · +229 −434Browse files

Unified · Split

6 files

ChangeLog +5 −0
M4/check_signal.m4 +26 −0
M4/clip_mode.m4 +124 −0
M4/lrint.m4 +37 −0
M4/lrintf.m4 +37 −0
acinclude.m4 +0 −434

@@ -1,3 +1,8 @@
		1	2009-04-11 Erik de Castro Lopo <erikd AT mega-nerd DOT com>
		2
		3	* M4/check_signal.m4 M4/clip_mode.m4 M4/lrint.m4 M4/lrintf.m4
		4	New files used instead of acinclude.m4.
		5
1	2009-04-03 Erik de Castro Lopo <erikd AT mega-nerd DOT com>	6	2009-04-03 Erik de Castro Lopo <erikd AT mega-nerd DOT com>
2		7
3	* src/samplerate.h	8	* src/samplerate.h

M4/check_signal.m4+26−0

@@ -0,0 +1,26 @@
	1	dnl @synopsis AC_CHECK_SIGNAL(SIGNAME)
	2	dnl
	3	dnl
	4	dnl @category C
	5	dnl @author Erik de Castro Lopo <erikd AT mega-nerd DOT com>
	6	dnl @version 1.0 Jul 07 2007
	7
	8	AC_DEFUN([AC_CHECK_SIGNAL],
	9	[AC_CACHE_CHECK(for $1,
	10	ac_cv_signal_$1,
	11	[
	12	AC_TRY_LINK([
	13	#include <signal.h>
	14
	15	], signal($1, SIG_DFL) ;, ac_cv_signal_$1=yes, ac_cv_signal_$1=no)
	16
	17	])
	18
	19	if test "$ac_cv_signal_$1" = yes; then
	20	AC_DEFINE(HAVE_$1, 1,
	21	[Define if you have signal $1.])
	22	fi
	23	])# AC_CHECK_SIGNAL
	24
	25
	26	## AC_CHECK_SIGNALS

M4/clip_mode.m4+124−0

@@ -0,0 +1,124 @@
	1	dnl @synopsis AC_C_CLIP_MODE
	2	dnl
	3	dnl Determine the clipping mode when converting float to int.
	4	dnl @version 1.0 May 17 2003
	5	dnl @author Erik de Castro Lopo <erikd AT mega-nerd DOT com>
	6	dnl
	7	dnl Permission to use, copy, modify, distribute, and sell this file for any
	8	dnl purpose is hereby granted without fee, provided that the above copyright
	9	dnl and this permission notice appear in all copies. No representations are
	10	dnl made about the suitability of this software for any purpose. It is
	11	dnl provided "as is" without express or implied warranty.
	12
	13
	14
	15
	16
	17
	18
	19	dnl Find the clipping mode in the following way:
	20	dnl 1) If we are not cross compiling test it.
	21	dnl 2) IF we are cross compiling, assume that clipping isn't done correctly.
	22
	23	AC_DEFUN([AC_C_CLIP_MODE],
	24	[AC_CACHE_CHECK(processor clipping capabilities,
	25	ac_cv_c_clip_type,
	26
	27	# Initialize to unknown
	28	ac_cv_c_clip_positive=unknown
	29	ac_cv_c_clip_negative=unknown
	30
	31
	32	if test $ac_cv_c_clip_positive = unknown ; then
	33	AC_TRY_RUN(
	34	[[
	35	#define _ISOC9X_SOURCE 1
	36	#define _ISOC99_SOURCE 1
	37	#define __USE_ISOC99 1
	38	#define __USE_ISOC9X 1
	39	#include <math.h>
	40	int main (void)
	41	{ double fval ;
	42	int k, ival ;
	43
	44	fval = 1.0 * 0x7FFFFFFF ;
	45	for (k = 0 ; k < 100 ; k++)
	46	{ ival = (lrint (fval)) >> 24 ;
	47	if (ival != 127)
	48	return 1 ;
	49
	50	fval *= 1.2499999 ;
	51	} ;
	52
	53	return 0 ;
	54	}
	55	]],
	56	ac_cv_c_clip_positive=yes,
	57	ac_cv_c_clip_positive=no,
	58	ac_cv_c_clip_positive=unknown
	59	)
	60
	61	AC_TRY_RUN(
	62	[[
	63	#define _ISOC9X_SOURCE 1
	64	#define _ISOC99_SOURCE 1
	65	#define __USE_ISOC99 1
	66	#define __USE_ISOC9X 1
	67	#include <math.h>
	68	int main (void)
	69	{ double fval ;
	70	int k, ival ;
	71
	72	fval = -8.0 * 0x10000000 ;
	73	for (k = 0 ; k < 100 ; k++)
	74	{ ival = (lrint (fval)) >> 24 ;
	75	if (ival != -128)
	76	return 1 ;
	77
	78	fval *= 1.2499999 ;
	79	} ;
	80
	81	return 0 ;
	82	}
	83	]],
	84	ac_cv_c_clip_negative=yes,
	85	ac_cv_c_clip_negative=no,
	86	ac_cv_c_clip_negative=unknown
	87	)
	88	fi
	89
	90	if test $ac_cv_c_clip_positive = yes ; then
	91	ac_cv_c_clip_positive=1
	92	else
	93	ac_cv_c_clip_positive=0
	94	fi
	95
	96	if test $ac_cv_c_clip_negative = yes ; then
	97	ac_cv_c_clip_negative=1
	98	else
	99	ac_cv_c_clip_negative=0
	100	fi
	101
	102	[[
	103	case "$ac_cv_c_clip_positive$ac_cv_c_clip_negative" in
	104	"00")
	105	ac_cv_c_clip_type="none"
	106	;;
	107	"10")
	108	ac_cv_c_clip_type="positive"
	109	;;
	110	"01")
	111	ac_cv_c_clip_type="negative"
	112	;;
	113	"11")
	114	ac_cv_c_clip_type="both"
	115	;;
	116	esac
	117	]]
	118
	119	)
	120	]
	121
	122	)# AC_C_CLIP_MODE
	123
	124

M4/lrint.m4+37−0

@@ -0,0 +1,37 @@
	1	dnl @synopsis AC_C99_FUNC_LRINT
	2	dnl
	3	dnl Check whether C99's lrint function is available.
	4	dnl @version 1.3 Feb 12 2002
	5	dnl @author Erik de Castro Lopo <erikd AT mega-nerd DOT com>
	6	dnl
	7	dnl Permission to use, copy, modify, distribute, and sell this file for any
	8	dnl purpose is hereby granted without fee, provided that the above copyright
	9	dnl and this permission notice appear in all copies. No representations are
	10	dnl made about the suitability of this software for any purpose. It is
	11	dnl provided "as is" without express or implied warranty.
	12	dnl
	13	AC_DEFUN([AC_C99_FUNC_LRINT],
	14	[AC_CACHE_CHECK(for lrint,
	15	ac_cv_c99_lrint,
	16	[
	17	lrint_save_CFLAGS=$CFLAGS
	18	CFLAGS="-lm"
	19	AC_TRY_LINK([
	20	#define _ISOC9X_SOURCE 1
	21	#define _ISOC99_SOURCE 1
	22	#define __USE_ISOC99 1
	23	#define __USE_ISOC9X 1
	24
	25	#include <math.h>
	26	], if (!lrint(3.14159)) lrint(2.7183);, ac_cv_c99_lrint=yes, ac_cv_c99_lrint=no)
	27
	28	CFLAGS=$lrint_save_CFLAGS
	29
	30	])
	31
	32	if test "$ac_cv_c99_lrint" = yes; then
	33	AC_DEFINE(HAVE_LRINT, 1,
	34	[Define if you have C99's lrint function.])
	35	fi
	36	])# AC_C99_FUNC_LRINT
	37

M4/lrintf.m4+37−0

@@ -0,0 +1,37 @@
	1	dnl @synopsis AC_C99_FUNC_LRINTF
	2	dnl
	3	dnl Check whether C99's lrintf function is available.
	4	dnl @version 1.3 Feb 12 2002
	5	dnl @author Erik de Castro Lopo <erikd AT mega-nerd DOT com>
	6	dnl
	7	dnl Permission to use, copy, modify, distribute, and sell this file for any
	8	dnl purpose is hereby granted without fee, provided that the above copyright
	9	dnl and this permission notice appear in all copies. No representations are
	10	dnl made about the suitability of this software for any purpose. It is
	11	dnl provided "as is" without express or implied warranty.
	12	dnl
	13	AC_DEFUN([AC_C99_FUNC_LRINTF],
	14	[AC_CACHE_CHECK(for lrintf,
	15	ac_cv_c99_lrintf,
	16	[
	17	lrintf_save_CFLAGS=$CFLAGS
	18	CFLAGS="-lm"
	19	AC_TRY_LINK([
	20	#define _ISOC9X_SOURCE 1
	21	#define _ISOC99_SOURCE 1
	22	#define __USE_ISOC99 1
	23	#define __USE_ISOC9X 1
	24
	25	#include <math.h>
	26	], if (!lrintf(3.14159)) lrintf(2.7183);, ac_cv_c99_lrintf=yes, ac_cv_c99_lrintf=no)
	27
	28	CFLAGS=$lrintf_save_CFLAGS
	29
	30	])
	31
	32	if test "$ac_cv_c99_lrintf" = yes; then
	33	AC_DEFINE(HAVE_LRINTF, 1,
	34	[Define if you have C99's lrintf function.])
	35	fi
	36	])# AC_C99_FUNC_LRINTF
	37

acinclude.m4+0−434

@@ -1,434 +0,0 @@
1	dnl @synopsis AC_C_FIND_ENDIAN
2	dnl
3	dnl Determine endian-ness of target processor.
4	dnl @version 1.1 Mar 03 2002
5	dnl @author Erik de Castro Lopo <erikd AT mega-nerd DOT com>
6	dnl
7	dnl Majority written from scratch to replace the standard autoconf macro
8	dnl AC_C_BIGENDIAN. Only part remaining from the original it the invocation
9	dnl of the AC_TRY_RUN macro.
10	dnl
11	dnl Permission to use, copy, modify, distribute, and sell this file for any
12	dnl purpose is hereby granted without fee, provided that the above copyright
13	dnl and this permission notice appear in all copies. No representations are
14	dnl made about the suitability of this software for any purpose. It is
15	dnl provided "as is" without express or implied warranty.
16
17	dnl Find endian-ness in the following way:
18	dnl 1) Look in <endian.h>.
19	dnl 2) If 1) fails, look in <sys/types.h> and <sys/param.h>.
20	dnl 3) If 1) and 2) fails and not cross compiling run a test program.
21	dnl 4) If 1) and 2) fails and cross compiling then guess based on target.
22
23	AC_DEFUN([AC_C_FIND_ENDIAN],
24	[AC_CACHE_CHECK(processor byte ordering,
25	ac_cv_c_byte_order,
26
27	# Initialize to unknown
28	ac_cv_c_byte_order=unknown
29
30	if test x$ac_cv_header_endian_h = xyes ; then
31
32	# First try <endian.h> which should set BYTE_ORDER.
33
34	[AC_TRY_LINK([
35	#include <endian.h>
36	#if BYTE_ORDER != LITTLE_ENDIAN
37	not big endian
38	#endif
39	], return 0 ;,
40	ac_cv_c_byte_order=little
41	)]
42
43	[AC_TRY_LINK([
44	#include <endian.h>
45	#if BYTE_ORDER != BIG_ENDIAN
46	not big endian
47	#endif
48	], return 0 ;,
49	ac_cv_c_byte_order=big
50	)]
51
52	fi
53
54	if test $ac_cv_c_byte_order = unknown ; then
55
56	[AC_TRY_LINK([
57	#include <sys/types.h>
58	#include <sys/param.h>
59	#if !BYTE_ORDER \|\| !BIG_ENDIAN \|\| !LITTLE_ENDIAN
60	bogus endian macros
61	#endif
62	], return 0 ;,
63
64	[AC_TRY_LINK([
65	#include <sys/types.h>
66	#include <sys/param.h>
67	#if BYTE_ORDER != LITTLE_ENDIAN
68	not big endian
69	#endif
70	], return 0 ;,
71	ac_cv_c_byte_order=little
72	)]
73
74	[AC_TRY_LINK([
75	#include <sys/types.h>
76	#include <sys/param.h>
77	#if BYTE_ORDER != LITTLE_ENDIAN
78	not big endian
79	#endif
80	], return 0 ;,
81	ac_cv_c_byte_order=little
82	)]
83
84	)]
85
86	fi
87
88	if test $ac_cv_c_byte_order = unknown ; then
89	if test $cross_compiling = yes ; then
90	# This is the last resort. Try to guess the target processor endian-ness
91	# by looking at the target CPU type.
92	[
93	case "$target_cpu" in
94	alpha* \| i?86* \| mipsel* \| ia64*)
95	ac_cv_c_big_endian=0
96	ac_cv_c_little_endian=1
97	;;
98
99	m68* \| mips* \| powerpc* \| hppa* \| sparc*)
100	ac_cv_c_big_endian=1
101	ac_cv_c_little_endian=0
102	;;
103
104	esac
105	]
106	else
107	AC_TRY_RUN(
108	[[
109	int main (void)
110	{ /* Are we little or big endian? From Harbison&Steele. */
111	union
112	{ long l ;
113	char c [sizeof (long)] ;
114	} u ;
115	u.l = 1 ;
116	return (u.c [sizeof (long) - 1] == 1);
117	}
118	]], , ac_cv_c_byte_order=big,
119	ac_cv_c_byte_order=unknown
120	)
121
122	AC_TRY_RUN(
123	[[int main (void)
124	{ /* Are we little or big endian? From Harbison&Steele. */
125	union
126	{ long l ;
127	char c [sizeof (long)] ;
128	} u ;
129	u.l = 1 ;
130	return (u.c [0] == 1);
131	}]], , ac_cv_c_byte_order=little,
132	ac_cv_c_byte_order=unknown
133	)
134	fi
135	fi
136
137	)
138	]
139
140	if test $ac_cv_c_byte_order = big ; then
141	ac_cv_c_big_endian=1
142	ac_cv_c_little_endian=0
143	elif test $ac_cv_c_byte_order = little ; then
144	ac_cv_c_big_endian=0
145	ac_cv_c_little_endian=1
146	else
147	ac_cv_c_big_endian=0
148	ac_cv_c_little_endian=0
149
150	AC_MSG_WARN([[*****************************************************************]])
151	AC_MSG_WARN([[*** Not able to determine endian-ness of target processor. ]])
152	AC_MSG_WARN([[*** The constants CPU_IS_BIG_ENDIAN and CPU_IS_LITTLE_ENDIAN in ]])
153	AC_MSG_WARN([[*** src/config.h may need to be hand editied. ]])
154	AC_MSG_WARN([[*****************************************************************]])
155	fi
156
157	)# AC_C_FIND_ENDIAN
158
159
160
161
162
163	dnl @synopsis AC_C99_FUNC_LRINT
164	dnl
165	dnl Check whether C99's lrint function is available.
166	dnl @version 1.3 Feb 12 2002
167	dnl @author Erik de Castro Lopo <erikd AT mega-nerd DOT com>
168	dnl
169	dnl Permission to use, copy, modify, distribute, and sell this file for any
170	dnl purpose is hereby granted without fee, provided that the above copyright
171	dnl and this permission notice appear in all copies. No representations are
172	dnl made about the suitability of this software for any purpose. It is
173	dnl provided "as is" without express or implied warranty.
174	dnl
175	AC_DEFUN([AC_C99_FUNC_LRINT],
176	[AC_CACHE_CHECK(for lrint,
177	ac_cv_c99_lrint,
178	[
179	lrint_save_CFLAGS=$CFLAGS
180	CFLAGS="-O2 -lm"
181	AC_TRY_LINK([
182	#define _ISOC9X_SOURCE 1
183	#define _ISOC99_SOURCE 1
184	#define __USE_ISOC99 1
185	#define __USE_ISOC9X 1
186
187	#include <math.h>
188	], if (!lrint(3.14159)) lrint(2.7183);, ac_cv_c99_lrint=yes, ac_cv_c99_lrint=no)
189
190	CFLAGS=$lrint_save_CFLAGS
191
192	])
193
194	if test "$ac_cv_c99_lrint" = yes; then
195	AC_DEFINE(HAVE_LRINT, 1,
196	[Define if you have C99's lrint function.])
197	fi
198	])# AC_C99_FUNC_LRINT
199
200
201
202
203
204	dnl @synopsis AC_C99_FUNC_LRINTF
205	dnl
206	dnl Check whether C99's lrintf function is available.
207	dnl @version 1.3 Feb 12 2002
208	dnl @author Erik de Castro Lopo <erikd AT mega-nerd DOT com>
209	dnl
210	dnl Permission to use, copy, modify, distribute, and sell this file for any
211	dnl purpose is hereby granted without fee, provided that the above copyright
212	dnl and this permission notice appear in all copies. No representations are
213	dnl made about the suitability of this software for any purpose. It is
214	dnl provided "as is" without express or implied warranty.
215	dnl
216
217	AC_DEFUN([AC_C99_FUNC_LRINTF],
218	[AC_CACHE_CHECK(for lrintf,
219	ac_cv_c99_lrintf,
220	[
221	lrintf_save_CFLAGS=$CFLAGS
222	CFLAGS="-O2 -lm"
223	AC_TRY_LINK([
224	#define _ISOC9X_SOURCE 1
225	#define _ISOC99_SOURCE 1
226	#define __USE_ISOC99 1
227	#define __USE_ISOC9X 1
228
229	#include <math.h>
230	], if (!lrintf(3.14159)) lrintf(2.7183);, ac_cv_c99_lrintf=yes, ac_cv_c99_lrintf=no)
231
232	CFLAGS=$lrintf_save_CFLAGS
233
234	])
235
236	if test "$ac_cv_c99_lrintf" = yes; then
237	AC_DEFINE(HAVE_LRINTF, 1,
238	[Define if you have C99's lrintf function.])
239	fi
240	])# AC_C99_FUNC_LRINTF
241
242
243
244
245
246	dnl @synopsis AC_C99_FUNC_LLRINT
247	dnl
248	dnl Check whether C99's llrint function is available.
249	dnl @version 1.1 Sep 30 2002
250	dnl @author Erik de Castro Lopo <erikd AT mega-nerd DOT com>
251	dnl
252	dnl Permission to use, copy, modify, distribute, and sell this file for any
253	dnl purpose is hereby granted without fee, provided that the above copyright
254	dnl and this permission notice appear in all copies. No representations are
255	dnl made about the suitability of this software for any purpose. It is
256	dnl provided "as is" without express or implied warranty.
257	dnl
258	AC_DEFUN([AC_C99_FUNC_LLRINT],
259	[AC_CACHE_CHECK(for llrint,
260	ac_cv_c99_llrint,
261	[
262	llrint_save_CFLAGS=$CFLAGS
263	CFLAGS="-O2 -lm"
264	AC_TRY_LINK([
265	#define _ISOC9X_SOURCE 1
266	#define _ISOC99_SOURCE 1
267	#define __USE_ISOC99 1
268	#define __USE_ISOC9X 1
269
270	#include <math.h>
271	#include <stdint.h>
272	], int64_t x ; x = llrint(3.14159) ;, ac_cv_c99_llrint=yes, ac_cv_c99_llrint=no)
273
274	CFLAGS=$llrint_save_CFLAGS
275
276	])
277
278	if test "$ac_cv_c99_llrint" = yes; then
279	AC_DEFINE(HAVE_LLRINT, 1,
280	[Define if you have C99's llrint function.])
281	fi
282	])# AC_C99_FUNC_LLRINT
283
284
285
286
287
288	dnl @synopsis AC_C_CLIP_MODE
289	dnl
290	dnl Determine the clipping mode when converting float to int.
291	dnl @version 1.0 May 17 2003
292	dnl @author Erik de Castro Lopo <erikd AT mega-nerd DOT com>
293	dnl
294	dnl Permission to use, copy, modify, distribute, and sell this file for any
295	dnl purpose is hereby granted without fee, provided that the above copyright
296	dnl and this permission notice appear in all copies. No representations are
297	dnl made about the suitability of this software for any purpose. It is
298	dnl provided "as is" without express or implied warranty.
299
300	dnl Find the clipping mode in the following way:
301	dnl 1) If we are not cross compiling test it.
302	dnl 2) IF we are cross compiling, assume that clipping isn't done correctly.
303
304	AC_DEFUN([AC_C_CLIP_MODE],
305	[AC_CACHE_CHECK(processor clipping capabilities,
306	ac_cv_c_clip_type,
307
308	# Initialize to unknown
309	ac_cv_c_clip_positive=unknown
310	ac_cv_c_clip_negative=unknown
311
312	if test $ac_cv_c_clip_positive = unknown ; then
313	AC_TRY_RUN(
314	[[
315	#define _ISOC9X_SOURCE 1
316	#define _ISOC99_SOURCE 1
317	#define __USE_ISOC99 1
318	#define __USE_ISOC9X 1
319	#include <math.h>
320	int main (void)
321	{ double fval ;
322	int k, ival ;
323
324	fval = 1.0 * 0x7FFFFFFF ;
325	for (k = 0 ; k < 100 ; k++)
326	{ ival = (lrint (fval)) >> 24 ;
327	if (ival != 127)
328	return 1 ;
329
330	fval *= 1.2499999 ;
331	} ;
332
333	return 0 ;
334	}
335	]],
336	ac_cv_c_clip_positive=yes,
337	ac_cv_c_clip_positive=no,
338	ac_cv_c_clip_positive=unknown
339	)
340
341	AC_TRY_RUN(
342	[[
343	#define _ISOC9X_SOURCE 1
344	#define _ISOC99_SOURCE 1
345	#define __USE_ISOC99 1
346	#define __USE_ISOC9X 1
347	#include <math.h>
348	int main (void)
349	{ double fval ;
350	int k, ival ;
351
352	fval = -8.0 * 0x10000000 ;
353	for (k = 0 ; k < 100 ; k++)
354	{ ival = (lrint (fval)) >> 24 ;
355	if (ival != -128)
356	return 1 ;
357
358	fval *= 1.2499999 ;
359	} ;
360
361	return 0 ;
362	}
363	]],
364	ac_cv_c_clip_negative=yes,
365	ac_cv_c_clip_negative=no,
366	ac_cv_c_clip_negative=unknown
367	)
368
369	fi
370
371	if test $ac_cv_c_clip_positive = yes ; then
372	ac_cv_c_clip_positive=1
373	else
374	ac_cv_c_clip_positive=0
375	fi
376
377	if test $ac_cv_c_clip_negative = yes ; then
378	ac_cv_c_clip_negative=1
379	else
380	ac_cv_c_clip_negative=0
381	fi
382
383	[[
384	case "$ac_cv_c_clip_positive$ac_cv_c_clip_negative" in
385	"00")
386	ac_cv_c_clip_type="none"
387	;;
388	"10")
389	ac_cv_c_clip_type="positive"
390	;;
391	"01")
392	ac_cv_c_clip_type="negative"
393	;;
394	"11")
395	ac_cv_c_clip_type="both"
396	;;
397	esac
398	]]
399
400	)
401	]
402
403	)# AC_C_CLIP_MODE
404
405
406
407
408
409	dnl @synopsis AC_CHECK_SIGNAL(SIGNAME)
410	dnl
411	dnl
412	dnl @category C
413	dnl @author Erik de Castro Lopo <erikd AT mega-nerd DOT com>
414	dnl @version 1.0 Jul 07 2007
415
416	AC_DEFUN([AC_CHECK_SIGNAL],
417	[AC_CACHE_CHECK(for $1,
418	ac_cv_signal_$1,
419	[
420	AC_TRY_LINK([
421	#include <signal.h>
422
423	], signal($1, SIG_DFL) ;, ac_cv_signal_$1=yes, ac_cv_signal_$1=no)
424
425	])
426
427	if test "$ac_cv_signal_$1" = yes; then
428	AC_DEFINE(HAVE_$1, 1,
429	[Define if you have signal $1.])
430	fi
431	])# AC_CHECK_SIGNAL
432
433
434	## AC_CHECK_SIGNALS

Add new files to M4/ directory to be used instead of acinclude.m4.

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Issues, pull requests and Inbox

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