Parent Directory | Revision Log
Revision 1.25 - (view) (download)
1 : | edgomez | 1.1 | dnl ========================================================================== |
2 : | dnl | ||
3 : | Isibaar | 1.25 | dnl Autoconf script for Xvid |
4 : | edgomez | 1.1 | dnl |
5 : | edgomez | 1.12 | dnl Copyright(C) 2003-2004 Edouard Gomez <ed.gomez@free.fr> |
6 : | edgomez | 1.1 | dnl |
7 : | dnl ========================================================================== | ||
8 : | |||
9 : | edgomez | 1.12 | AC_PREREQ([2.50]) |
10 : | |||
11 : | Isibaar | 1.25 | AC_INIT([Xvid], [1.2.0], [xvid-devel@xvid.org]) |
12 : | edgomez | 1.1 | AC_CONFIG_SRCDIR(configure.in) |
13 : | |||
14 : | edgomez | 1.7 | dnl Do not forget to increase that when needed. |
15 : | edgomez | 1.10 | API_MAJOR="4" |
16 : | edgomez | 1.15 | API_MINOR="1" |
17 : | edgomez | 1.7 | |
18 : | edgomez | 1.1 | dnl NASM version requirement |
19 : | Isibaar | 1.25 | minimum_nasm_minor_version=0 |
20 : | Isibaar | 1.23 | minimum_nasm_major_version=2 |
21 : | edgomez | 1.1 | nasm_prog="nasm" |
22 : | |||
23 : | dnl Default CFLAGS -- Big impact on overall speed | ||
24 : | our_cflags_defaults="-Wall" | ||
25 : | our_cflags_defaults="$our_cflags_defaults -O2" | ||
26 : | edgomez | 1.10 | our_cflags_defaults="$our_cflags_defaults -fstrength-reduce" |
27 : | our_cflags_defaults="$our_cflags_defaults -finline-functions" | ||
28 : | our_cflags_defaults="$our_cflags_defaults -ffast-math" | ||
29 : | edgomez | 1.1 | our_cflags_defaults="$our_cflags_defaults -fomit-frame-pointer" |
30 : | |||
31 : | dnl ========================================================================== | ||
32 : | dnl Features - configure options | ||
33 : | dnl ========================================================================== | ||
34 : | |||
35 : | FEATURES="" | ||
36 : | |||
37 : | dnl Internal Debug | ||
38 : | AC_ARG_ENABLE(idebug, | ||
39 : | AC_HELP_STRING([--enable-idebug], | ||
40 : | [Enable internal debug function]), | ||
41 : | [if test "$enable_idebug" = "yes" ; then | ||
42 : | FEATURES="$FEATURES -D_DEBUG" | ||
43 : | fi]) | ||
44 : | |||
45 : | dnl Internal Profile | ||
46 : | AC_ARG_ENABLE(iprofile, | ||
47 : | AC_HELP_STRING([--enable-iprofile], | ||
48 : | [Enable internal profiling]), | ||
49 : | [if test "$enable_iprofile" = "yes" ; then | ||
50 : | FEATURES="$FEATURES -D_PROFILING_" | ||
51 : | fi]) | ||
52 : | |||
53 : | edgomez | 1.10 | dnl GNU Profiling options |
54 : | AC_ARG_ENABLE(gnuprofile, | ||
55 : | AC_HELP_STRING([--enable-gnuprofile], | ||
56 : | [Enable profiling informations for gprof]), | ||
57 : | [if test "$enable_gnuprofile" = "yes" ; then | ||
58 : | GNU_PROF_CFLAGS="-pg -fprofile-arcs -ftest-coverage" | ||
59 : | GNU_PROF_LDFLAGS="-pg" | ||
60 : | fi]) | ||
61 : | |||
62 : | edgomez | 1.1 | dnl Assembly code |
63 : | AC_ARG_ENABLE(assembly, | ||
64 : | AC_HELP_STRING([--disable-assembly], | ||
65 : | [Disable assembly code]), | ||
66 : | [if test "$enable_assembly" = "no" ; then | ||
67 : | assembly="no" | ||
68 : | else | ||
69 : | if test "$enable_assembly" = "yes" ; then | ||
70 : | assembly="yes" | ||
71 : | fi | ||
72 : | fi], | ||
73 : | [assembly="yes"]) | ||
74 : | |||
75 : | edgomez | 1.9 | dnl Build as a module not a shared lib on darwin |
76 : | AC_ARG_ENABLE(macosx_module, | ||
77 : | AC_HELP_STRING([--enable-macosx_module], | ||
78 : | [Build as a module on MacOS X]), | ||
79 : | [if test "$enable_macosx_module" = "yes" ; then | ||
80 : | macosx_module="yes" | ||
81 : | else | ||
82 : | macosx_module="no" | ||
83 : | edgomez | 1.10 | fi], |
84 : | [macosx_module="no"]) | ||
85 : | edgomez | 1.1 | |
86 : | dnl ========================================================================== | ||
87 : | dnl Default install prefix and checks build type | ||
88 : | dnl ========================================================================== | ||
89 : | |||
90 : | AC_PREFIX_DEFAULT("/usr/local") | ||
91 : | AC_CANONICAL_BUILD | ||
92 : | AC_CANONICAL_HOST | ||
93 : | AC_CANONICAL_TARGET | ||
94 : | |||
95 : | dnl ========================================================================== | ||
96 : | dnl Check for the C compiler (could be passed on command line) | ||
97 : | dnl ========================================================================== | ||
98 : | |||
99 : | dnl | ||
100 : | dnl First we test if CFLAGS have been passed on command line | ||
101 : | dnl I do that because autoconf defaults (-g -O2) suck and they would kill | ||
102 : | dnl performance. To prevent that we define a good defult CFLAGS at the end | ||
103 : | dnl of the script if and only if CFLAGS has not been passed on the command | ||
104 : | dnl line | ||
105 : | dnl | ||
106 : | AC_MSG_CHECKING(whether to use default CFLAGS) | ||
107 : | if test x"$CFLAGS" = x"" ; then | ||
108 : | force_default_cc_options="yes" | ||
109 : | AC_MSG_RESULT([yes]) | ||
110 : | else | ||
111 : | force_default_cc_options="no" | ||
112 : | AC_MSG_RESULT([no]) | ||
113 : | fi | ||
114 : | |||
115 : | dnl Now we can safely check for the C compiler | ||
116 : | AC_PROG_CC | ||
117 : | |||
118 : | dnl ========================================================================== | ||
119 : | dnl Check for the install program | ||
120 : | dnl ========================================================================== | ||
121 : | |||
122 : | AC_PROG_INSTALL | ||
123 : | |||
124 : | dnl ========================================================================== | ||
125 : | edgomez | 1.4 | dnl Check for the ranlib program to generate static library index |
126 : | dnl ========================================================================== | ||
127 : | |||
128 : | AC_PROG_RANLIB | ||
129 : | |||
130 : | dnl ========================================================================== | ||
131 : | edgomez | 1.1 | dnl |
132 : | dnl This part looks for: | ||
133 : | dnl | ||
134 : | dnl ARCHITECTURE : The platform architecture | ||
135 : | dnl - IA32 for mmx, mmx-ext, mmx2, sse assembly | ||
136 : | dnl - IA64 | ||
137 : | dnl - PPC for PowerPC assembly routines | ||
138 : | dnl - GENERIC for plain C sources only | ||
139 : | dnl | ||
140 : | dnl BUS: Address bus size (in bits) | ||
141 : | dnl - 32 | ||
142 : | dnl - 64 | ||
143 : | dnl | ||
144 : | dnl ENDIANNESS: I think you can guess what this thing means :-) | ||
145 : | dnl - LITTLE_ENDIAN | ||
146 : | dnl - BIG_ENDIAN | ||
147 : | dnl | ||
148 : | dnl ========================================================================== | ||
149 : | |||
150 : | dnl | ||
151 : | dnl Looking what sources have to be compiled according to the CPU type | ||
152 : | dnl | ||
153 : | |||
154 : | ARCHITECTURE="" | ||
155 : | |||
156 : | AC_MSG_CHECKING([for whether to use assembly code]) | ||
157 : | if test x"$assembly" = x"yes" ; then | ||
158 : | AC_MSG_RESULT([yes]) | ||
159 : | AC_MSG_CHECKING([for architecture type]) | ||
160 : | case "$target_cpu" in | ||
161 : | i[[3456]]86) | ||
162 : | AC_MSG_RESULT(ia32) | ||
163 : | ARCHITECTURE="IA32" | ||
164 : | edgomez | 1.16 | ;; |
165 : | x86_64) | ||
166 : | AC_MSG_RESULT(x86_64) | ||
167 : | ARCHITECTURE="X86_64" | ||
168 : | edgomez | 1.1 | ;; |
169 : | powerpc) | ||
170 : | AC_MSG_RESULT(PowerPC) | ||
171 : | edgomez | 1.11 | ARCHITECTURE="PPC" |
172 : | edgomez | 1.1 | ;; |
173 : | ia64) | ||
174 : | AC_MSG_RESULT(ia64) | ||
175 : | ARCHITECTURE="IA64" | ||
176 : | ;; | ||
177 : | *) | ||
178 : | AC_MSG_RESULT($target_cpu) | ||
179 : | ARCHITECTURE="GENERIC" | ||
180 : | ;; | ||
181 : | esac | ||
182 : | else | ||
183 : | AC_MSG_RESULT([no]) | ||
184 : | ARCHITECTURE="GENERIC" | ||
185 : | fi | ||
186 : | |||
187 : | dnl | ||
188 : | dnl Testing address bus length | ||
189 : | dnl | ||
190 : | BUS="" | ||
191 : | |||
192 : | AC_CHECK_SIZEOF([int *]) | ||
193 : | case "$ac_cv_sizeof_int_p" in | ||
194 : | 4) | ||
195 : | BUS="32BIT" | ||
196 : | ;; | ||
197 : | 8) | ||
198 : | BUS="64BIT" | ||
199 : | ;; | ||
200 : | *) | ||
201 : | Isibaar | 1.25 | AC_MSG_ERROR([Xvid supports only 32/64 bit architectures]) |
202 : | edgomez | 1.1 | ;; |
203 : | esac | ||
204 : | |||
205 : | dnl | ||
206 : | dnl Testing endianness | ||
207 : | dnl | ||
208 : | ENDIANNESS="" | ||
209 : | |||
210 : | AC_C_BIGENDIAN(ENDIANNESS="BIG_ENDIAN", ENDIANNESS="LITTLE_ENDIAN") | ||
211 : | |||
212 : | dnl ========================================================================== | ||
213 : | dnl | ||
214 : | dnl Check for OS specific variables | ||
215 : | dnl - SHARED_EXTENSION, STATIC_EXTENSION, OBJECT_EXTENSION | ||
216 : | dnl | ||
217 : | dnl ========================================================================== | ||
218 : | |||
219 : | AC_MSG_CHECKING(for build extensions) | ||
220 : | SHARED_EXTENSION="" | ||
221 : | STATIC_EXTENSION="" | ||
222 : | OBJECT_EXTENSION="" | ||
223 : | case "$target_os" in | ||
224 : | *bsd*|linux*|beos|irix*|solaris*) | ||
225 : | AC_MSG_RESULT([.so .a .o]) | ||
226 : | STATIC_EXTENSION="a" | ||
227 : | SHARED_EXTENSION="so" | ||
228 : | OBJECT_EXTENSION="o" | ||
229 : | ;; | ||
230 : | edgomez | 1.10 | [[cC]][[yY]][[gG]][[wW]][[iI]][[nN]]*|mingw32*|mks*) |
231 : | edgomez | 1.7 | AC_MSG_RESULT([.dll .a .obj]) |
232 : | STATIC_EXTENSION="a" | ||
233 : | edgomez | 1.1 | SHARED_EXTENSION="dll" |
234 : | OBJECT_EXTENSION="obj" | ||
235 : | ;; | ||
236 : | darwin*|raphsody*) | ||
237 : | edgomez | 1.9 | if test x"$macosx_module" = x"yes"; then |
238 : | AC_MSG_RESULT([.so .a .o]) | ||
239 : | SHARED_EXTENSION="so" | ||
240 : | else | ||
241 : | AC_MSG_RESULT([.dynlib .a .o]) | ||
242 : | SHARED_EXTENSION="dylib" | ||
243 : | fi | ||
244 : | edgomez | 1.1 | STATIC_EXTENSION="a" |
245 : | OBJECT_EXTENSION="o" | ||
246 : | ;; | ||
247 : | *) | ||
248 : | AC_MSG_RESULT([Unknown OS - Using .so .a .o]) | ||
249 : | STATIC_EXTENSION="a" | ||
250 : | SHARED_EXTENSION="so" | ||
251 : | OBJECT_EXTENSION="o" | ||
252 : | ;; | ||
253 : | esac | ||
254 : | |||
255 : | edgomez | 1.10 | dnl ========================================================================== |
256 : | dnl | ||
257 : | dnl Determines best options for CC and LD | ||
258 : | dnl - STATIC_LIB, SHARED_LIB, SPECIFIC_CFLAGS, SPECIFIC_LDLAGS | ||
259 : | dnl | ||
260 : | dnl ========================================================================== | ||
261 : | |||
262 : | edgomez | 1.1 | AC_MSG_CHECKING(for platform specific LDFLAGS/CFLAGS) |
263 : | edgomez | 1.4 | SPECIFIC_LDFLAGS="" |
264 : | SPECIFIC_CFLAGS="" | ||
265 : | edgomez | 1.10 | PRE_SHARED_LIB="" |
266 : | edgomez | 1.1 | case "$target_os" in |
267 : | Skal | 1.20 | linux*|solaris*) |
268 : | AC_MSG_RESULT([ok]) | ||
269 : | STATIC_LIB="libxvidcore.\$(STATIC_EXTENSION)" | ||
270 : | SHARED_LIB="libxvidcore.\$(SHARED_EXTENSION).\$(API_MAJOR).\$(API_MINOR)" | ||
271 : | SPECIFIC_LDFLAGS="-Wl,-soname,libxvidcore.\$(SHARED_EXTENSION).\$(API_MAJOR) -shared -Wl,--version-script=libxvidcore.ld -lc -lm" | ||
272 : | SPECIFIC_CFLAGS="-fPIC" | ||
273 : | ;; | ||
274 : | *bsd*|irix*) | ||
275 : | edgomez | 1.10 | AC_MSG_RESULT([ok]) |
276 : | edgomez | 1.7 | STATIC_LIB="libxvidcore.\$(STATIC_EXTENSION)" |
277 : | SHARED_LIB="libxvidcore.\$(SHARED_EXTENSION).\$(API_MAJOR).\$(API_MINOR)" | ||
278 : | edgomez | 1.8 | SPECIFIC_LDFLAGS="-Wl,-soname,libxvidcore.\$(SHARED_EXTENSION).\$(API_MAJOR) -shared -lc -lm" |
279 : | edgomez | 1.4 | SPECIFIC_CFLAGS="-fPIC" |
280 : | edgomez | 1.1 | ;; |
281 : | edgomez | 1.10 | [[cC]][[yY]][[gG]][[wW]][[iI]][[nN]]*|mingw32*|mks*) |
282 : | AC_MSG_RESULT([ok]) | ||
283 : | STATIC_LIB="xvidcore.\$(STATIC_EXTENSION)" | ||
284 : | SHARED_LIB="xvidcore.\$(SHARED_EXTENSION)" | ||
285 : | edgomez | 1.7 | SPECIFIC_LDFLAGS="-mno-cygwin -shared -Wl,--dll,--out-implib,\$@.a libxvidcore.def" |
286 : | edgomez | 1.4 | SPECIFIC_CFLAGS="-mno-cygwin" |
287 : | edgomez | 1.1 | ;; |
288 : | darwin*|raphsody*) | ||
289 : | edgomez | 1.7 | STATIC_LIB="libxvidcore.\$(STATIC_EXTENSION)" |
290 : | SPECIFIC_CFLAGS="-fPIC -fno-common -no-cpp-precomp" | ||
291 : | edgomez | 1.9 | if test x"$macosx_module" = x"no"; then |
292 : | AC_MSG_RESULT([dylib options]) | ||
293 : | SHARED_LIB="libxvidcore.\$(API_MAJOR).\$(SHARED_EXTENSION)" | ||
294 : | edgomez | 1.10 | SPECIFIC_LDFLAGS="-dynamiclib -flat_namespace -compatibility_version \$(API_MAJOR) -current_version \$(API_MAJOR).\$(API_MINOR) -install_name \$(libdir)/\$(SHARED_LIB)" |
295 : | edgomez | 1.9 | else |
296 : | edgomez | 1.10 | AC_MSG_RESULT([module options]) |
297 : | PRE_SHARED_LIB="libxvidcore.\$(SHARED_EXTENSION)-temp.o" | ||
298 : | SHARED_LIB="libxvidcore.\$(SHARED_EXTENSION).\$(API_MAJOR)" | ||
299 : | SPECIFIC_LDFLAGS="-r -keep_private_externs -nostdlib && \$(CC) \$(LDFLAGS) \$(PRE_SHARED_LIB) -o libxvidcore.\$(SHARED_EXTENSION).\$(API_MAJOR) -bundle -flat_namespace -undefined suppress" | ||
300 : | edgomez | 1.9 | fi |
301 : | edgomez | 1.1 | ;; |
302 : | beos) | ||
303 : | edgomez | 1.10 | AC_MSG_RESULT([ok]) |
304 : | edgomez | 1.7 | STATIC_LIB="libxvidcore.\$(STATIC_EXTENSION)" |
305 : | SHARED_LIB="libxvidcore.\$(SHARED_EXTENSION)" | ||
306 : | edgomez | 1.4 | SPECIFIC_LDFLAGS="-nostart" |
307 : | SPECIFIC_CFLAGS="-fPIC" | ||
308 : | edgomez | 1.1 | ;; |
309 : | *) | ||
310 : | edgomez | 1.10 | AC_MSG_RESULT([Unknown Platform (Using default -shared -lc -lm)]) |
311 : | edgomez | 1.14 | STATIC_LIB="libxvidcore.\$(STATIC_EXTENSION)" |
312 : | edgomez | 1.7 | SHARED_LIB="libxvidcore.\$(SHARED_EXTENSION)" |
313 : | edgomez | 1.4 | SPECIFIC_LDFLAGS="" |
314 : | SPECIFIC_CFLAGS="" | ||
315 : | edgomez | 1.1 | ;; |
316 : | esac | ||
317 : | |||
318 : | edgomez | 1.10 | if test x"$PRE_SHARED_LIB" = x; then |
319 : | PRE_SHARED_LIB=$SHARED_LIB | ||
320 : | fi | ||
321 : | |||
322 : | edgomez | 1.1 | dnl ========================================================================== |
323 : | dnl | ||
324 : | edgomez | 1.10 | dnl Assembler stuff |
325 : | dnl - AS, AFLAGS, ASSEMBLY_EXTENSION, SOURCES | ||
326 : | edgomez | 1.1 | dnl |
327 : | dnl ========================================================================== | ||
328 : | |||
329 : | AS="" | ||
330 : | AFLAGS="" | ||
331 : | ASSEMBLY_EXTENSION="" | ||
332 : | GENERIC_SOURCES="SRC_GENERIC" | ||
333 : | ASSEMBLY_SOURCES="" | ||
334 : | |||
335 : | dnl | ||
336 : | dnl IA32 | ||
337 : | dnl | ||
338 : | |||
339 : | edgomez | 1.16 | if test "$ARCHITECTURE" = "IA32" -o "$ARCHITECTURE" = "X86_64" ; then |
340 : | edgomez | 1.1 | |
341 : | dnl | ||
342 : | edgomez | 1.14 | dnl Checking for nasm compatible programs |
343 : | edgomez | 1.1 | dnl |
344 : | |||
345 : | edgomez | 1.14 | found_nasm_comp_prog="no" |
346 : | chosen_asm_prog="" | ||
347 : | edgomez | 1.1 | |
348 : | Isibaar | 1.25 | dnl Check for nasm (not buggy version) |
349 : | Isibaar | 1.24 | if test "$found_nasm_comp_prog" = "no" ; then |
350 : | edgomez | 1.14 | AC_CHECK_PROG([ac_nasm], [$nasm_prog], [yes], [no], , [yes]) |
351 : | if test "$ac_nasm" = "yes" ; then | ||
352 : | dnl | ||
353 : | Isibaar | 1.25 | dnl Checking nasm version |
354 : | edgomez | 1.14 | dnl |
355 : | Isibaar | 1.25 | AC_MSG_CHECKING([for nasm version]) |
356 : | Isibaar | 1.23 | nasm_minor=`$nasm_prog -v | cut -d '.' -f 2 | cut -d ' ' -f 1` |
357 : | nasm_major=`$nasm_prog -v | cut -d '.' -f 1 | cut -d ' ' -f 3` | ||
358 : | if test -z $nasm_minor ; then | ||
359 : | nasm_minor=-1 | ||
360 : | fi | ||
361 : | if test -z $nasm_major ; then | ||
362 : | nasm_major=-1 | ||
363 : | fi | ||
364 : | Isibaar | 1.25 | AC_MSG_RESULT([$nasm_major]) |
365 : | edgomez | 1.14 | |
366 : | Isibaar | 1.24 | dnl need nasm 2.x for SSE3/4 and X86_64 |
367 : | if test "$nasm_major" -lt "$minimum_nasm_major_version" ; then | ||
368 : | AC_MSG_WARN([nasm version is too old]) | ||
369 : | edgomez | 1.14 | else |
370 : | Isibaar | 1.24 | found_nasm_comp_prog="yes" |
371 : | chosen_asm_prog="$nasm_prog" | ||
372 : | edgomez | 1.14 | fi |
373 : | edgomez | 1.1 | fi |
374 : | edgomez | 1.14 | fi |
375 : | edgomez | 1.1 | |
376 : | edgomez | 1.14 | dnl |
377 : | dnl Ok now sort what object format we must use | ||
378 : | dnl | ||
379 : | if test "$found_nasm_comp_prog" = "yes" ; then | ||
380 : | AC_MSG_CHECKING([for asm object format]) | ||
381 : | case "$target_os" in | ||
382 : | *bsd*|linux*|beos|irix*|solaris*) | ||
383 : | Isibaar | 1.25 | if test "$ARCHITECTURE" = "X86_64" ; then |
384 : | AC_MSG_RESULT([elf64]) | ||
385 : | NASM_FORMAT="elf64" | ||
386 : | else | ||
387 : | AC_MSG_RESULT([elf]) | ||
388 : | NASM_FORMAT="elf" | ||
389 : | fi | ||
390 : | edgomez | 1.14 | MARK_FUNCS="-DMARK_FUNCS" |
391 : | PREFIX="" | ||
392 : | ;; | ||
393 : | [[cC]][[yY]][[gG]][[wW]][[iI]][[nN]]*|mingw32*|mks*) | ||
394 : | Isibaar | 1.25 | if test "$ARCHITECTURE" = "X86_64" ; then |
395 : | AC_MSG_RESULT([win64]) | ||
396 : | NASM_FORMAT="win64" | ||
397 : | else | ||
398 : | AC_MSG_RESULT([win32]) | ||
399 : | NASM_FORMAT="win32" | ||
400 : | fi | ||
401 : | PREFIX="-DWINDOWS" | ||
402 : | edgomez | 1.14 | MARK_FUNCS="" |
403 : | ;; | ||
404 : | Isibaar | 1.22 | *darwin*) |
405 : | AC_MSG_RESULT([macho]) | ||
406 : | NASM_FORMAT="macho" | ||
407 : | PREFIX="-DPREFIX" | ||
408 : | MARK_FUNCS="" | ||
409 : | ;; | ||
410 : | edgomez | 1.14 | esac |
411 : | |||
412 : | AS="$chosen_asm_prog" | ||
413 : | edgomez | 1.16 | ASSEMBLY_EXTENSION="asm" |
414 : | Isibaar | 1.25 | AFLAGS="-I\$(<D)/ -I../../src/ -f $NASM_FORMAT $PREFIX $MARK_FUNCS" |
415 : | edgomez | 1.16 | ASSEMBLY_SOURCES="SRC_${ARCHITECTURE}" |
416 : | if test "$ARCHITECTURE" = "X86_64" ; then | ||
417 : | Isibaar | 1.25 | AFLAGS=${AFLAGS}" -DARCH_IS_X86_64" |
418 : | edgomez | 1.16 | fi |
419 : | edgomez | 1.14 | else |
420 : | AC_MSG_WARN([no correct assembler was found - Compiling generic sources only]) | ||
421 : | ARCHITECTURE="GENERIC" | ||
422 : | edgomez | 1.1 | fi |
423 : | fi | ||
424 : | |||
425 : | dnl | ||
426 : | dnl PPC | ||
427 : | dnl | ||
428 : | edgomez | 1.11 | dnl With the PPC platform we do not use assembly language, we better keep with |
429 : | dnl intrinsic altivec functions and types as they are supported by both Apple | ||
430 : | dnl and GNU gcc with very slight changes to code which can be sumed up by: | ||
431 : | dnl | ||
432 : | dnl Apple: | ||
433 : | dnl - compile with the option -faltivec | ||
434 : | dnl - define vectors with parentheses vec = (0,0,0,0) | ||
435 : | dnl GNU | ||
436 : | dnl - compile with -maltivec -mabi=altivec | ||
437 : | dnl - include <altivec.h> before using intrincic | ||
438 : | dnl - define vectors with vec = {0,0,0,0} | ||
439 : | dnl | ||
440 : | dnl * The compile time option will be "injected" into SPECIFIC_CFLAGS variable | ||
441 : | dnl * The need for altivec.h will also be injected into SPECIFIC_CFLAGS through | ||
442 : | dnl a -DHAVE_ALTIVEC_H | ||
443 : | dnl * The vector definition is handled in portab.h thx to | ||
444 : | dnl HAVE_PARENTHESES/BRACES_ALTIVEC_DECL | ||
445 : | dnl | ||
446 : | PPC_ALTIVEC_SOURCES="" | ||
447 : | edgomez | 1.1 | if test "$ARCHITECTURE" = "PPC" ; then |
448 : | AS="\$(CC)" | ||
449 : | edgomez | 1.11 | AFLAGS="" |
450 : | ASSEMBLY_EXTENSION=".s" | ||
451 : | ASSEMBLY_SOURCES="" | ||
452 : | |||
453 : | AC_MSG_CHECKING([for altivec.h]) | ||
454 : | cat > conftest.c << EOF | ||
455 : | #include <altivec.h> | ||
456 : | int main() { return(0); } | ||
457 : | edgomez | 1.1 | EOF |
458 : | edgomez | 1.11 | if $CC -faltivec -c conftest.c 2>/dev/null 1>/dev/null || \ |
459 : | $CC -maltivec -mabi=altivec -c conftest.c 2>/dev/null 1>/dev/null ; then | ||
460 : | edgomez | 1.1 | AC_MSG_RESULT(yes) |
461 : | edgomez | 1.11 | SPECIFIC_CFLAGS="$SPECIFIC_CFLAGS -DHAVE_ALTIVEC_H" |
462 : | TEMP_ALTIVEC="-DHAVE_ALTIVEC_H" | ||
463 : | edgomez | 1.1 | else |
464 : | AC_MSG_RESULT(no) | ||
465 : | edgomez | 1.11 | TEMP_ALTIVEC="" |
466 : | fi | ||
467 : | |||
468 : | AC_MSG_CHECKING([for Altivec compiler support]) | ||
469 : | cat > conftest.c << EOF | ||
470 : | #ifdef HAVE_ALTIVEC_H | ||
471 : | #include <altivec.h> | ||
472 : | #endif | ||
473 : | |||
474 : | int main() | ||
475 : | { | ||
476 : | vector unsigned int vartest2 = (vector unsigned int)(0); | ||
477 : | vector unsigned int vartest3 = (vector unsigned int)(1); | ||
478 : | vartest2 = vec_add(vartest2, vartest3); | ||
479 : | return(0); | ||
480 : | } | ||
481 : | EOF | ||
482 : | if $CC $TEMP_ALTIVEC -faltivec -c conftest.c 2>/dev/null 1>/dev/null ; then | ||
483 : | AC_MSG_RESULT([yes (Apple)]) | ||
484 : | SPECIFIC_CFLAGS="$SPECIFIC_CFLAGS -faltivec -DHAVE_ALTIVEC_PARENTHESES_DECL $TEMP_ALTIVEC" | ||
485 : | PPC_ALTIVEC_SOURCES="SRC_PPC_ALTIVEC" | ||
486 : | else | ||
487 : | cat > conftest.c << EOF | ||
488 : | #ifdef HAVE_ALTIVEC_H | ||
489 : | #include <altivec.h> | ||
490 : | #endif | ||
491 : | |||
492 : | int main() | ||
493 : | { | ||
494 : | vector unsigned int vartest2 = (vector unsigned int){0}; | ||
495 : | vector unsigned int vartest3 = (vector unsigned int){1}; | ||
496 : | vartest2 = vec_add(vartest2, vartest3); | ||
497 : | return(0); | ||
498 : | } | ||
499 : | EOF | ||
500 : | if $CC $TEMP_ALTIVEC -maltivec -mabi=altivec -c conftest.c 2>/dev/null 1>/dev/null ; then | ||
501 : | AC_MSG_RESULT([yes (GNU)]) | ||
502 : | SPECIFIC_CFLAGS="$SPECIFIC_CFLAGS -maltivec -mabi=altivec -DHAVE_ALTIVEC_BRACES_DECL $TEMP_ALTIVEC" | ||
503 : | PPC_ALTIVEC_SOURCES="SRC_PPC_ALTIVEC" | ||
504 : | else | ||
505 : | AC_MSG_RESULT([no (ppc support won't be compiled in)]) | ||
506 : | dnl Only C code can be compiled :-( | ||
507 : | ARCHITECTURE="GENERIC" | ||
508 : | fi | ||
509 : | edgomez | 1.1 | fi |
510 : | edgomez | 1.11 | |
511 : | edgomez | 1.1 | rm -f conftest.* |
512 : | fi | ||
513 : | |||
514 : | dnl | ||
515 : | dnl IA64 | ||
516 : | dnl | ||
517 : | |||
518 : | if test "$ARCHITECTURE" = "IA64" ; then | ||
519 : | AS="\$(CC)" | ||
520 : | AFLAGS="-c" | ||
521 : | ASSEMBLY_EXTENSION="s" | ||
522 : | ASSEMBLY_SOURCES="SRC_IA64" | ||
523 : | edgomez | 1.4 | |
524 : | case `basename $CC` in | ||
525 : | *ecc*) | ||
526 : | edgomez | 1.10 | DCT_IA64_SOURCES="SRC_IA64_IDCT_ECC" |
527 : | edgomez | 1.4 | |
528 : | dnl If the compiler is ecc, then i don't know its options | ||
529 : | dnl fallback to "no options" | ||
530 : | if test "$force_default_cc_options" = "yes" ; then | ||
531 : | our_cflags_defaults="" | ||
532 : | fi | ||
533 : | ;; | ||
534 : | *) | ||
535 : | edgomez | 1.10 | DCT_IA64_SOURCES="SRC_IA64_IDCT_GCC" |
536 : | edgomez | 1.4 | ;; |
537 : | esac | ||
538 : | |||
539 : | edgomez | 1.1 | fi |
540 : | |||
541 : | dnl ========================================================================== | ||
542 : | dnl | ||
543 : | dnl Check for header files | ||
544 : | dnl | ||
545 : | dnl ========================================================================== | ||
546 : | |||
547 : | AC_CHECK_HEADERS( | ||
548 : | stdio.h \ | ||
549 : | signal.h \ | ||
550 : | edgomez | 1.12 | stdlib.h \ |
551 : | string.h \ | ||
552 : | assert.h \ | ||
553 : | math.h \ | ||
554 : | edgomez | 1.1 | , , AC_MSG_ERROR(Missing header file)) |
555 : | |||
556 : | dnl ========================================================================== | ||
557 : | dnl | ||
558 : | syskin | 1.21 | dnl Check for pthread |
559 : | dnl | ||
560 : | dnl ========================================================================== | ||
561 : | |||
562 : | AC_CHECK_HEADER( | ||
563 : | pthread.h, | ||
564 : | AC_CHECK_LIB( | ||
565 : | pthread, | ||
566 : | pthread_create, | ||
567 : | AC_CHECK_LIB( | ||
568 : | pthread, | ||
569 : | pthread_join, | ||
570 : | SPECIFIC_CFLAGS="$SPECIFIC_CFLAGS -DHAVE_PTHREAD" | ||
571 : | SPECIFIC_LDFLAGS="$SPECIFIC_LDFLAGS -lpthread", | ||
572 : | AC_MSG_WARN(Pthread not supported. No SMP support)), | ||
573 : | AC_MSG_WARN(Pthread not supported. No SMP support)), | ||
574 : | AC_MSG_WARN(Pthread not supported. No SMP support)) | ||
575 : | |||
576 : | dnl ========================================================================== | ||
577 : | dnl | ||
578 : | edgomez | 1.4 | dnl Now we can set CFLAGS if needed |
579 : | dnl | ||
580 : | dnl ========================================================================== | ||
581 : | |||
582 : | if test "$force_default_cc_options" = "yes" ; then | ||
583 : | CFLAGS="$our_cflags_defaults" | ||
584 : | fi | ||
585 : | |||
586 : | dnl ========================================================================== | ||
587 : | dnl | ||
588 : | edgomez | 1.10 | dnl Profiling stuff goes here |
589 : | dnl - adds options to SPECIFIC_CFLAGS, SPECIFIC_LDLAGS | ||
590 : | dnl - removes incompatible options from CFLAGS | ||
591 : | dnl | ||
592 : | dnl ========================================================================== | ||
593 : | |||
594 : | SPECIFIC_LDFLAGS="$SPECIFIC_LDFLAGS $GNU_PROF_LDFLAGS" | ||
595 : | SPECIFIC_CFLAGS="$SPECIFIC_CFLAGS $GNU_PROF_CFLAGS" | ||
596 : | |||
597 : | if test "$enable_gnuprofile" = "yes" ; then | ||
598 : | CFLAGS=`echo $CFLAGS | sed s/'-fomit-frame-pointer'/''/` | ||
599 : | fi | ||
600 : | |||
601 : | dnl ========================================================================== | ||
602 : | Skal | 1.19 | dnl Some gcc flags can't be used for gcc >= 3.4.0 |
603 : | dnl ========================================================================== | ||
604 : | |||
605 : | if test "$GCC" = "yes" ; then | ||
606 : | cat << EOF > test.c | ||
607 : | #include <stdio.h> | ||
608 : | int main(int argc, char **argv) | ||
609 : | { | ||
610 : | if (*argv[[1]] == 'M') { | ||
611 : | printf("%d", __GNUC__); | ||
612 : | } | ||
613 : | if (*argv[[1]] == 'm') { | ||
614 : | printf("%d", __GNUC_MINOR__); | ||
615 : | } | ||
616 : | return 0; | ||
617 : | } | ||
618 : | EOF | ||
619 : | $CC -o gcc-ver test.c | ||
620 : | |||
621 : | GCC_MAJOR=`./gcc-ver M` | ||
622 : | GCC_MINOR=`./gcc-ver m` | ||
623 : | |||
624 : | rm -f test.c | ||
625 : | rm -f gcc-ver | ||
626 : | |||
627 : | # GCC 4.x | ||
628 : | Skal | 1.20 | if test "${GCC_MAJOR}" -gt 3 ; then |
629 : | Skal | 1.19 | CFLAGS=`echo $CFLAGS | sed s,"-mcpu","-mtune",g` |
630 : | CFLAGS=`echo $CFLAGS | sed s,'-freduce-all-givs','',g` | ||
631 : | CFLAGS=`echo $CFLAGS | sed s,'-fmove-all-movables','',g` | ||
632 : | CFLAGS=`echo $CFLAGS | sed s,'-fnew-ra','',g` | ||
633 : | CFLAGS=`echo $CFLAGS | sed s,'-fwritable-strings','',g` | ||
634 : | fi | ||
635 : | |||
636 : | # GCC 3.4.x | ||
637 : | Skal | 1.20 | if test "${GCC_MAJOR}" -eq 3 && test "${GCC_MINOR}" -gt 3 ; then |
638 : | Skal | 1.19 | CFLAGS=`echo $CFLAGS | sed s,"-mcpu","-mtune",g` |
639 : | fi | ||
640 : | fi | ||
641 : | |||
642 : | |||
643 : | dnl ========================================================================== | ||
644 : | edgomez | 1.10 | dnl |
645 : | edgomez | 1.1 | dnl Substitions |
646 : | dnl | ||
647 : | dnl ========================================================================== | ||
648 : | |||
649 : | AC_SUBST(FEATURES) | ||
650 : | AC_SUBST(ARCHITECTURE) | ||
651 : | AC_SUBST(BUS) | ||
652 : | AC_SUBST(ENDIANNESS) | ||
653 : | AC_SUBST(SHARED_EXTENSION) | ||
654 : | AC_SUBST(STATIC_EXTENSION) | ||
655 : | AC_SUBST(OBJECT_EXTENSION) | ||
656 : | AC_SUBST(NASM_FORMAT) | ||
657 : | AC_SUBST(AS) | ||
658 : | AC_SUBST(AFLAGS) | ||
659 : | AC_SUBST(ASSEMBLY_EXTENSION) | ||
660 : | AC_SUBST(GENERIC_SOURCES) | ||
661 : | AC_SUBST(ASSEMBLY_SOURCES) | ||
662 : | AC_SUBST(CC) | ||
663 : | AC_SUBST(CFLAGS) | ||
664 : | edgomez | 1.4 | AC_SUBST(SPECIFIC_LDFLAGS) |
665 : | AC_SUBST(SPECIFIC_CFLAGS) | ||
666 : | AC_SUBST(DCT_IA64_SOURCES) | ||
667 : | edgomez | 1.11 | AC_SUBST(PPC_ALTIVEC_SOURCES) |
668 : | edgomez | 1.4 | AC_SUBST(RANLIB) |
669 : | edgomez | 1.7 | AC_SUBST(API_MAJOR) |
670 : | AC_SUBST(API_MINOR) | ||
671 : | AC_SUBST(STATIC_LIB) | ||
672 : | edgomez | 1.10 | AC_SUBST(PRE_SHARED_LIB) |
673 : | edgomez | 1.7 | AC_SUBST(SHARED_LIB) |
674 : | edgomez | 1.1 | |
675 : | dnl ========================================================================== | ||
676 : | dnl | ||
677 : | dnl Output files | ||
678 : | dnl | ||
679 : | dnl ========================================================================== | ||
680 : | |||
681 : | AC_CONFIG_FILES(platform.inc) | ||
682 : | |||
683 : | AC_OUTPUT |
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