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1dnl Process this file with autoconf to produce a configure script. -*-m4-*-
2
3AC_INIT([speexdsp],[1.2rc3],[speex-dev@xiph.org])
4
5AC_CONFIG_SRCDIR([libspeexdsp/preprocess.c])
6AC_CONFIG_MACRO_DIR([m4])
7
8dnl enable silent rules on automake 1.11 and later
9m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
10
11
12SPEEXDSP_LT_CURRENT=6
13SPEEXDSP_LT_REVISION=0
14SPEEXDSP_LT_AGE=5
15
16
17AC_SUBST(SPEEXDSP_LT_CURRENT)
18AC_SUBST(SPEEXDSP_LT_REVISION)
19AC_SUBST(SPEEXDSP_LT_AGE)
20
21AM_INIT_AUTOMAKE([foreign no-define])
22AM_MAINTAINER_MODE([enable])
23
24AC_CANONICAL_HOST
25AC_LIBTOOL_WIN32_DLL
26AM_PROG_LIBTOOL
27
28AC_C_BIGENDIAN
29AC_C_CONST
30AC_C_INLINE
31AC_C_RESTRICT
32
33
34AC_MSG_CHECKING(for C99 variable-size arrays)
35AC_TRY_COMPILE( , [
36int foo;
37foo = 10;
38int array[foo];
39],
40[has_var_arrays=yes;AC_DEFINE([VAR_ARRAYS], [], [Use C99 variable-size arrays])
41],
42has_var_arrays=no
43)
44AC_MSG_RESULT($has_var_arrays)
45
46AC_CHECK_HEADERS([alloca.h getopt.h])
47AC_MSG_CHECKING(for alloca)
48AC_TRY_COMPILE( [
49#ifdef HAVE_ALLOCA_H
50# include <alloca.h>
51#endif
52#include <stdlib.h>
53], [
54int foo=10;
55int *array = alloca(foo);
56],
57[
58has_alloca=yes;
59if test x$has_var_arrays = "xno" ; then
60AC_DEFINE([USE_ALLOCA], [], [Make use of alloca])
61fi
62],
63has_alloca=no
64)
65AC_MSG_RESULT($has_alloca)
66
67AC_MSG_CHECKING(for SSE in current arch/CFLAGS)
68AC_LINK_IFELSE([
69AC_LANG_PROGRAM([[
70#include <xmmintrin.h>
71__m128 testfunc(float *a, float *b) {
72  return _mm_add_ps(_mm_loadu_ps(a), _mm_loadu_ps(b));
73}
74]])],
75[
76has_sse=yes
77],
78[
79has_sse=no
80]
81)
82AC_MSG_RESULT($has_sse)
83
84AC_MSG_CHECKING(for SSE2 in current arch/CFLAGS)
85AC_LINK_IFELSE([
86AC_LANG_PROGRAM([[
87#include <emmintrin.h>
88__m128d testfunc(double *a, double *b) {
89  return _mm_add_pd(_mm_loadu_pd(a), _mm_loadu_pd(b));
90}
91]])],
92[
93has_sse2=yes
94],
95[
96has_sse2=no
97]
98)
99AC_MSG_RESULT($has_sse2)
100
101AC_MSG_CHECKING(for NEON in current arch/CFLAGS)
102AC_LINK_IFELSE([
103AC_LANG_PROGRAM([[
104#include <arm_neon.h>
105int32x4_t testfunc(int16_t *a, int16_t *b) {
106      return vmull_s16(vld1_s16(a), vld1_s16(b));
107}
108]])],
109[
110has_neon=yes
111],
112[
113has_neon=no
114]
115)
116AC_MSG_RESULT($has_neon)
117
118SAVE_CFLAGS="$CFLAGS"
119CFLAGS="$CFLAGS -fvisibility=hidden"
120AC_MSG_CHECKING(for ELF visibility)
121AC_COMPILE_IFELSE([
122AC_LANG_PROGRAM([[
123#pragma GCC visibility push(hidden)
124__attribute__((visibility("default")))
125int var=10;
126]])],
127[
128has_visibility=yes
129AC_DEFINE([EXPORT], [__attribute__((visibility("default")))], [Symbol visibility prefix])
130],
131[
132has_visibility=no
133AC_DEFINE([EXPORT], [], [Symbol visibility prefix])
134CFLAGS="$SAVE_CFLAGS"
135]
136)
137AC_MSG_RESULT($has_visibility)
138
139AC_CHECK_HEADERS(sys/soundcard.h sys/audioio.h)
140
141AC_SUBST(src)
142
143LT_LIB_M
144
145
146AC_ARG_ENABLE(valgrind, [  --enable-valgrind       Enable valgrind extra checks],
147[if test "$enableval" = yes; then
148  AC_DEFINE([ENABLE_VALGRIND], , [Enable valgrind extra checks])
149fi])
150
151AC_ARG_ENABLE(sse, [  --enable-sse            Enable SSE support], [
152if test "x$enableval" != xno; then
153has_sse=yes
154has_sse2=yes
155CFLAGS="$CFLAGS -O3 -msse -msse2"
156else
157has_sse=no
158has_sse2=no
159fi
160])
161
162AC_ARG_ENABLE(neon, [  --enable-neon           Enable NEON support], [
163if test "x$enableval" != xno; then
164has_neon=yes
165CFLAGS="$CFLAGS -O3 -march=armv7-a -mfpu=neon"
166else
167has_neon=no
168fi
169])
170
171
172FFT=smallft
173
174AC_ARG_ENABLE(fixed-point, [  --enable-fixed-point    Compile as fixed-point],
175[if test "$enableval" = yes; then
176  FFT=kiss
177  has_sse=no
178  AC_DEFINE([FIXED_POINT], , [Compile as fixed-point])
179else
180  AC_DEFINE([FLOATING_POINT], , [Compile as floating-point])
181fi],
182AC_DEFINE([FLOATING_POINT], , [Compile as floating-point]))
183
184if test "$has_sse" = yes; then
185  AC_DEFINE([_USE_SSE], , [Enable SSE support])
186fi
187
188if test "$has_neon" = yes; then
189  AC_DEFINE([_USE_NEON], , [Enable NEON support])
190fi
191
192if test "$has_sse2" = yes; then
193  AC_DEFINE([_USE_SSE2], , [Enable SSE2 support])
194fi
195
196AC_ARG_ENABLE(float-api, [  --disable-float-api     Disable the floating-point API],
197[if test "$enableval" = no; then
198  AC_DEFINE([DISABLE_FLOAT_API], , [Disable all parts of the API that are using floats])
199fi])
200
201AC_ARG_ENABLE(examples, [  --disable-examples      Do not build example programs, only the library])
202if test "$enableval" != no; then
203  AM_CONDITIONAL([BUILD_EXAMPLES], true)
204else
205  AM_CONDITIONAL([BUILD_EXAMPLES], false)
206fi
207
208AC_ARG_ENABLE(arm4-asm, [  --enable-arm4-asm       Make use of ARM4 assembly optimizations],
209[if test "$enableval" = yes; then
210  AC_DEFINE([ARM4_ASM], , [Make use of ARM4 assembly optimizations])
211fi])
212
213AC_ARG_ENABLE(arm5e-asm, [  --enable-arm5e-asm      Make use of ARM5E assembly optimizations],
214[if test "$enableval" = yes; then
215  AC_DEFINE([ARM5E_ASM], , [Make use of ARM5E assembly optimizations])
216fi])
217
218AC_ARG_ENABLE(blackfin-asm, [  --enable-blackfin-asm   Make use of Blackfin assembly optimizations],
219[if test "$enableval" = yes; then
220  AC_DEFINE([BFIN_ASM], , [Make use of Blackfin assembly optimizations])
221fi])
222case $host_os in
223  uclinux) LDFLAGS="-Wl,-elf2flt=-s100000 $LDFLAGS";;
224esac
225
226AC_ARG_ENABLE(fixed-point-debug, [  --enable-fixed-point-debug  Debug fixed-point implementation],
227[if test "$enableval" = yes; then
228  AC_DEFINE([FIXED_DEBUG], , [Debug fixed-point implementation])
229fi])
230
231AC_ARG_ENABLE(resample-full-sinc-table, [  --enable-resample-full-sinc-table Resample full SINC table (no interpolation)],
232[if test "$enableval" = yes; then
233  AC_DEFINE([RESAMPLE_FULL_SINC_TABLE], , [Resample with full SINC table (no interpolation)])
234fi])
235
236AC_ARG_ENABLE(ti-c55x, [  --enable-ti-c55x        Enable support for TI C55X DSP],
237[if test "$enableval" = yes; then
238  has_char16=yes;
239  AC_DEFINE([TI_C55X], , [Enable support for TI C55X DSP])
240fi])
241
242AC_ARG_WITH([fft], [AS_HELP_STRING([--with-fft=choice],[use an alternate FFT implementation. The available choices are
243kiss (default fixed point), smallft (default floating point), gpl-fftw3 and proprietary-intel-mkl])],
244[FFT=$withval]
245)
246
247FFT_PKGCONFIG=
248AS_CASE([$FFT],
249 [kiss], [
250  AC_DEFINE([USE_KISS_FFT], [], [Use KISS Fast Fourier Transform])
251 ],
252 [smallft], [
253  AC_DEFINE([USE_SMALLFT], [], [Use FFT from OggVorbis])
254 ],
255 [gpl-fftw3], [
256  AC_DEFINE([USE_GPL_FFTW3], [], [Use FFTW3 for FFT])
257  PKG_CHECK_MODULES([FFT], [fftw3f])
258 ],
259 [proprietary-intel-mkl], [
260  AC_DEFINE([USE_INTEL_MKL], [], [Use Intel Math Kernel Library for FFT])
261  AC_MSG_CHECKING(for valid MKL)
262  AC_LINK_IFELSE([
263   AC_LANG_PROGRAM([[
264#include <mkl.h>
265void func() {
266  DFTI_DESCRIPTOR_HANDLE h;
267  MKL_LONG result=DftiCreateDescriptor(&h, DFTI_SINGLE, DFTI_REAL, 0);
268}]])],
269   [AC_MSG_RESULT(yes)],
270   [AC_MSG_FAILURE([Failed to compile MKL test program. Make sure you set CFLAGS to include the include directory and set LDFLAGS to include the library directory and all necesarry libraries.])]
271  )
272 ],
273 [AC_MSG_FAILURE([Unknown FFT $FFT specified for --with-fft])]
274)
275AM_CONDITIONAL(BUILD_KISS_FFT, [test "$FFT" = "kiss"])
276AM_CONDITIONAL(BUILD_SMALLFT, [test "$FFT" = "smallft"])
277AC_SUBST(FFT_PKGCONFIG)
278
279
280AC_CHECK_SIZEOF([int16_t])
281AC_CHECK_SIZEOF([uint16_t])
282AC_CHECK_SIZEOF([u_int16_t])
283AC_CHECK_SIZEOF([int32_t])
284AC_CHECK_SIZEOF([uint32_t])
285AC_CHECK_SIZEOF([u_int32_t])
286AC_CHECK_SIZEOF([short])
287AC_CHECK_SIZEOF([int])
288AC_CHECK_SIZEOF([long])
289
290AS_IF([test "$has_char16" = "yes"],
291  [
292   SIZEOF16=1
293   SIZEOF32=2
294  ],[
295   SIZEOF16=2
296   SIZEOF32=4
297  ])
298
299case $SIZEOF16 in
300    $ac_cv_sizeof_int16_t) SIZE16="int16_t";;
301    $ac_cv_sizeof_short) SIZE16="short";;
302    $ac_cv_sizeof_int) SIZE16="int";;
303esac
304
305case $SIZEOF16 in
306    $ac_cv_sizeof_uint16_t) USIZE16="uint16_t";;
307    $ac_cv_sizeof_u_int16_t) USIZE16="u_int16_t";;
308    $ac_cv_sizeof_short) USIZE16="unsigned short";;
309    $ac_cv_sizeof_int) USIZE16="unsigned int";;
310esac
311
312case $SIZEOF32 in
313    $ac_cv_sizeof_int32_t) SIZE32="int32_t";;
314    $ac_cv_sizeof_int) SIZE32="int";;
315    $ac_cv_sizeof_long) SIZE32="long";;
316    $ac_cv_sizeof_short) SIZE32="short";;
317esac
318
319case $SIZEOF32 in
320    $ac_cv_sizeof_uint32_t) USIZE32="uint32_t";;
321    $ac_cv_sizeof_u_int32_t) USIZE32="u_int32_t";;
322    $ac_cv_sizeof_short) USIZE32="unsigned short";;
323    $ac_cv_sizeof_int) USIZE32="unsigned int";;
324    $ac_cv_sizeof_long) USIZE32="unsigned long";;
325esac
326
327AS_IF([test -z "$SIZE16"],[AC_MSG_ERROR([No 16 bit type found on this platform!])])
328AS_IF([test -z "$SIZE32"],[AC_MSG_ERROR([No 32 bit type found on this platform!])])
329AS_IF([test -z "$USIZE16"],[AC_MSG_ERROR([No unsigned 16 bit type found on this platform!])])
330AS_IF([test -z "$USIZE32"],[AC_MSG_ERROR([No unsigned 32 bit type found on this platform!])])
331
332AC_SUBST([SIZE16])
333AC_SUBST([USIZE16])
334AC_SUBST([SIZE32])
335AC_SUBST([USIZE32])
336
337AC_CONFIG_FILES([
338           Makefile libspeexdsp/Makefile doc/Makefile SpeexDSP.spec
339           include/Makefile include/speex/Makefile speexdsp.pc
340           win32/Makefile win32/libspeexdsp/Makefile
341           symbian/Makefile
342
343           win32/VS2003/Makefile
344           win32/VS2003/libspeexdsp/Makefile
345           win32/VS2003/tests/Makefile
346
347           win32/VS2005/Makefile
348           win32/VS2005/libspeexdsp/Makefile
349           win32/VS2005/tests/Makefile
350
351           win32/VS2008/Makefile
352           win32/VS2008/libspeexdsp/Makefile
353           win32/VS2008/tests/Makefile
354           include/speex/speexdsp_config_types.h ti/Makefile
355	   ti/speex_C54_test/Makefile ti/speex_C55_test/Makefile
356	   ti/speex_C64_test/Makefile ])
357
358AC_CONFIG_HEADERS([config.h])
359
360AC_OUTPUT
361
362echo "Type \"make; make install\" to compile and install Speex";
363