2002-04-28 Gonzalo Paniagua Javier <gonzalo@ximian.com>
[mono.git] / configure.in
1
2 AC_INIT(README)
3 AC_CANONICAL_SYSTEM
4 AM_CONFIG_HEADER(config.h)
5 AM_INIT_AUTOMAKE(mono, 0.11)
6 AM_MAINTAINER_MODE
7
8 dnl ****************************************
9 dnl *** Check if we're building on win32 ***
10 dnl ****************************************
11 AC_MSG_CHECKING([if building for some Win32 platform])
12 case "$host" in
13         *-*-mingw*|*-*-cygwin*)
14                 platform_win32=yes
15                 AC_DEFINE(PLATFORM_WIN32)
16                 CC="gcc -mno-cygwin"
17                 ;;
18         *)
19                 platform_win32=no
20                 ;;
21 esac
22 AC_MSG_RESULT($platform_win32)
23 AM_CONDITIONAL(PLATFORM_WIN32, test x$platform_win32 = xyes)
24
25 AC_CHECK_TOOL(CC, gcc, gcc)
26 AC_PROG_CC
27 AM_PROG_CC_STDC
28 AC_PROG_INSTALL
29
30 dnl may require a specific autoconf version
31 dnl AC_PROG_CC_FOR_BUILD
32 dnl CC_FOR_BUILD not automatically detected
33 CC_FOR_BUILD=$CC
34 BUILD_EXEEXT=
35 if test "x$cross_compiling" = "xyes"; then
36         CC_FOR_BUILD=cc
37         BUILD_EXEEXT=""
38 fi
39 AC_SUBST(CC_FOR_BUILD)
40 AC_SUBST(HOST_CC)
41 AC_SUBST(BUILD_EXEEXT)
42
43 # Set STDC_HEADERS
44 AC_HEADER_STDC
45 AC_LIBTOOL_WIN32_DLL
46 AM_PROG_LIBTOOL
47
48 AC_CHECK_HEADERS(sys/filio.h sys/sockio.h netdb.h utime.h)
49
50 AC_CHECK_HEADERS(iconv.h)
51 AC_CHECK_HEADERS(giconv.h)
52
53 # for mono/metadata/debug-symfile.c
54 AC_CHECK_HEADERS(elf.h)
55
56 # not 64 bit clean in cross-compile
57 AC_CHECK_SIZEOF(void *, 4)
58
59 CFLAGS='-g -Wall -Wunused -Wmissing-prototypes -Wmissing-declarations -Wstrict-prototypes  -Wmissing-prototypes -Wnested-externs -Wpointer-arith -Wno-cast-qual -Wcast-align -Wwrite-strings'
60
61 AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
62 if test "x$PKG_CONFIG" = "xno"; then
63         AC_MSG_ERROR([You need to install pkg-config])
64 fi
65
66 dnl for use on the build system
67 dnl pkg-config is stupid
68 BUILD_GLIB_CFLAGS=`$PKG_CONFIG --cflags glib-2.0`
69 BUILD_GLIB_LIBS=`$PKG_CONFIG --libs glib-2.0`
70 AC_SUBST(BUILD_GLIB_CFLAGS)
71 AC_SUBST(BUILD_GLIB_LIBS)
72
73 PKG_PATH=
74 AC_ARG_WITH(crosspkgdir, [  --with-crosspkgdir=/path/to/pkg-config/dir],
75         if test x$with_crosspkgdir = "x"; then
76                 if test -s $PKG_CONFIG_PATH; then
77                         PKG_PATH=$PKG_CONFIG_PATH
78                 fi
79         else
80                 PKG_PATH=$with_crosspkgdir
81                 PKG_CONFIG_PATH=$PKG_PATH
82                 export PKG_CONFIG_PATH
83         fi
84 )
85
86 ## Versions of dependencies
87 GLIB_REQUIRED_VERSION=1.3.11
88
89 PKG_CHECK_MODULES(BASE_DEPENDENCIES, glib-2.0 >= $GLIB_REQUIRED_VERSION)
90
91 GLIB_CFLAGS=`$PKG_CONFIG --cflags glib-2.0`
92 GLIB_LIBS=`$PKG_CONFIG --libs glib-2.0`
93 GMODULE_CFLAGS=`$PKG_CONFIG --cflags gmodule-2.0`
94 GMODULE_LIBS=`$PKG_CONFIG --libs gmodule-2.0`
95
96 AC_SUBST(GLIB_CFLAGS)
97 AC_SUBST(GLIB_LIBS)
98 AC_SUBST(GMODULE_CFLAGS)
99 AC_SUBST(GMODULE_LIBS)
100
101 AC_CHECK_LIB(gc, GC_malloc, found_boehm="yes")
102 gc=auto
103 AC_ARG_WITH(gc, [  --with-gc=boehm,none],[gc=$with_gc])
104
105 case "x$gc" in
106         xboehm|xyes)
107                 if test "x$found_boehm" != "xyes"; then
108                         AC_MSG_ERROR("GC requested but libgc not found!")
109                 fi
110
111                 AC_DEFINE(HAVE_BOEHM_GC)
112                 AC_SUBST(HAVE_BOEHM_GC)
113                 LIBS="$LIBS -lgc"
114                 ;;
115         xnone)
116                 AC_MSG_WARN("Compiling mono without GC.")
117                 ;;
118         *)
119 dnl When the JIT works with libgc, use this chunk.
120 dnl             # If libgc was found, use it.  Otherwise just warn.
121                 if test "x$found_boehm" != "xyes"; then
122                         AC_MSG_WARN("Compiling mono without GC.")
123                 else
124                         AC_DEFINE(HAVE_BOEHM_GC)
125                         AC_SUBST(HAVE_BOEHM_GC)
126                         LIBS="$LIBS -lgc"
127                         gc="boehm"
128                 fi
129 dnl             AC_MSG_WARN("Compiling mono without GC.")
130                 ;;
131 esac
132
133 if test x$platform_win32 = xno; then
134         dnl ******************************************************************
135         dnl *** Check for large file support                               ***
136         dnl *** (If we were using autoconf 2.50 we'd use AC_SYS_LARGEFILE) ***
137         dnl ******************************************************************
138         
139         # Check that off_t can represent 2**63 - 1 correctly, working around
140         # potential compiler bugs.  Defines LARGE_FILE_SUPPORT, adds $1 to
141         # CFLAGS and sets $large_offt to yes if the test succeeds
142         large_offt=no
143         AC_DEFUN(LARGE_FILES, [
144                 large_CPPFLAGS=$CPPFLAGS
145                 CPPFLAGS="$CPPFLAGS $1"
146                 AC_TRY_RUN([
147                         #include <sys/types.h>
148
149                         #define BIG_OFF_T (((off_t)1<<62)-1+((off_t)1<<62))
150
151                         int main(void) {
152                                 int big_off_t=((BIG_OFF_T%2147483629==721) &&
153                                                (BIG_OFF_T%2147483647==1));
154                                 if(big_off_t) {
155                                         exit(0);
156                                 } else {
157                                         exit(1);
158                                 }
159                         }
160                 ], [
161                         AC_MSG_RESULT(ok)
162                         AC_DEFINE(HAVE_LARGE_FILE_SUPPORT)
163                         CFLAGS="$CFLAGS $1"
164                         large_offt=yes
165                 ], [
166                         AC_MSG_RESULT(no)
167                 ], "")
168                 CPPFLAGS=$large_CPPFLAGS
169         ])
170
171         AC_MSG_CHECKING(if off_t is 64 bits wide)
172         LARGE_FILES("")
173         if test $large_offt = no; then
174                 AC_MSG_CHECKING(if _FILE_OFFSET_BITS=64 gives 64 bit off_t)
175                 LARGE_FILES("-D_FILE_OFFSET_BITS=64")
176         fi
177         if test $large_offt = no; then
178                 AC_MSG_WARN([No 64 bit file size support available])
179         fi
180         
181         dnl *****************************
182         dnl *** Checks for libsocket  ***
183         dnl *****************************
184         AC_CHECK_LIB(socket, socket, LIBS="$LIBS -lsocket")
185
186         dnl *****************************
187         dnl *** Checks for SOL_IP     ***
188         dnl *****************************
189         AC_MSG_CHECKING(for SOL_IP)
190         AC_TRY_COMPILE([#include <netdb.h>], [
191                 int level = SOL_IP;
192         ], [
193                 # Yes, we have it...
194                 AC_MSG_RESULT(yes)
195                 AC_DEFINE(HAVE_SOL_IP)
196         ], [
197                 # We'll have to use getprotobyname
198                 AC_MSG_RESULT(no)
199         ])
200
201         dnl *****************************
202         dnl *** Checks for SOL_TCP    ***
203         dnl *****************************
204         AC_MSG_CHECKING(for SOL_TCP)
205         AC_TRY_COMPILE([#include <netdb.h>], [
206                 int level = SOL_TCP;
207         ], [
208                 # Yes, we have it...
209                 AC_MSG_RESULT(yes)
210                 AC_DEFINE(HAVE_SOL_TCP)
211         ], [
212                 # We'll have to use getprotobyname
213                 AC_MSG_RESULT(no)
214         ])
215
216         dnl *****************************
217         dnl *** Checks for IP_PKTINFO ***
218         dnl *****************************
219         AC_MSG_CHECKING(for IP_PKTINFO)
220         AC_TRY_COMPILE([#include <netdb.h>], [
221                 int level = IP_PKTINFO;
222         ], [
223                 # Yes, we have it...
224                 AC_MSG_RESULT(yes)
225                 AC_DEFINE(HAVE_IP_PKTINFO)
226         ], [
227                 AC_MSG_RESULT(no)
228         ])
229
230         dnl *********************************
231         dnl *** Check for struct ip_mreqn ***
232         dnl *********************************
233         AC_MSG_CHECKING(for struct ip_mreqn)
234         AC_TRY_COMPILE([#include <netinet/in.h>], [
235                 struct ip_mreqn mreq;
236                 mreq.imr_address.s_addr = 0;
237         ], [
238                 # Yes, we have it...
239                 AC_MSG_RESULT(yes)
240                 AC_DEFINE(HAVE_STRUCT_IP_MREQN)
241         ], [
242                 # We'll just have to use struct ip_mreq
243                 AC_MSG_RESULT(no)
244         ])
245
246         dnl *****************************
247         dnl *** Checks for libnsl     ***
248         dnl *****************************
249         AC_CHECK_LIB(nsl, gethostbyaddr, LIBS="$LIBS -lnsl")
250
251         AC_CHECK_FUNCS(inet_pton inet_aton)
252
253         dnl *****************************
254         dnl *** Checks for libpthread ***
255         dnl *****************************
256         AC_SEARCH_LIBS(pthread_create, pthread, [
257                 AM_CONDITIONAL(THREADS_PTHREAD, true)
258                 AC_DEFINE(HAVE_PTHREAD)
259
260                 # Need pthread_mutex_timedlock
261                 pthread_CFLAGS=""
262                 orig_CPPFLAGS=$CPPFLAGS
263                 # This is a gcc-specific error, but we already set
264                 # gcc-specific options in CFLAGS
265                 CPPFLAGS="$CPPFLAGS -Werror-implicit-function-declaration"
266                 AC_MSG_CHECKING(for pthread_mutex_timedlock)
267                 AC_TRY_COMPILE([ #include <pthread.h>], [
268                         pthread_mutex_t mut=PTHREAD_MUTEX_INITIALIZER;
269                         pthread_mutex_timedlock(&mut, NULL);
270                 ], [
271                         # Works!
272                         AC_MSG_RESULT(yes)
273                         AC_DEFINE(HAVE_PTHREAD_MUTEX_TIMEDLOCK)
274                 ], [
275                         AC_MSG_RESULT(no)
276
277                         # glibc requires -D_GNU_SOURCE before it will declare
278                         # this function
279                         AC_MSG_CHECKING(whether _GNU_SOURCE is needed for pthread_mutex_timedlock)
280                         CPPFLAGS="$CPPFLAGS -D_GNU_SOURCE"
281                         AC_TRY_COMPILE([ #include <pthread.h>], [
282                                 pthread_mutex_t mut=PTHREAD_MUTEX_INITIALIZER;
283                                 pthread_mutex_timedlock(&mut, NULL);
284                         ], [
285                                 AC_MSG_RESULT(yes)
286                                 pthread_CFLAGS="-D_GNU_SOURCE"
287                                 AC_DEFINE(HAVE_PTHREAD_MUTEX_TIMEDLOCK)
288                         ], [
289                                 AC_MSG_RESULT(no)
290                                 dnl Add other variants here
291                                 AC_MSG_WARN(Working around pthread_mutex_timedlock)
292                         ])
293                 ])
294                 CPPFLAGS=$orig_CPPFLAGS
295                 CFLAGS="$CFLAGS $pthread_CFLAGS"
296
297                 # Need PTHREAD_MUTEX_RECURSIVE
298                 pthread_CFLAGS=""
299                 orig_CPPFLAGS=$CPPFLAGS
300                 # This is a gcc-specific error, but we already set
301                 # gcc-specific options in CFLAGS
302                 CPPFLAGS="$CPPFLAGS -Werror-implicit-function-declaration"
303                 AC_MSG_CHECKING(for PTHREAD_MUTEX_RECURSIVE)
304                 AC_TRY_COMPILE([ #include <pthread.h>], [
305                         pthread_mutexattr_t attr;
306                         pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
307                 ], [
308                         # Works!
309                         AC_MSG_RESULT(ok)
310                 ], [
311                         AC_MSG_RESULT(no)
312
313                         # glibc requires -D_GNU_SOURCE before it will declare
314                         # this macro
315                         AC_MSG_CHECKING(whether _GNU_SOURCE is needed for PTHREAD_MUTEX_RECURSIVE)
316                         CPPFLAGS="$CPPFLAGS -D_GNU_SOURCE"
317                         AC_TRY_COMPILE([ #include <pthread.h>], [
318                                 pthread_mutexattr_t attr;
319                                 pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
320                         ], [
321                                 AC_MSG_RESULT(ok)
322                                 pthread_CFLAGS="-D_GNU_SOURCE"
323                         ], [
324                                 AC_MSG_RESULT(no)
325                                 dnl Add other variants here
326                                 AC_MSG_WARN(Using mono_mutex_t for recursive mutexes)
327                                 AC_DEFINE(USE_MONO_MUTEX)
328                         ])
329                 ])
330                 CPPFLAGS=$orig_CPPFLAGS
331                 CFLAGS="$CFLAGS $pthread_CFLAGS"
332         ], [
333                 AC_MSG_ERROR([libpthread is required on non-win32 hosts])
334         ])
335
336         dnl ********************************
337         dnl *** Checks for semaphore lib ***
338         dnl ********************************
339         AC_CHECK_LIB(rt, sem_init, LIBS="$LIBS -lrt")
340 else
341         AM_CONDITIONAL(THREADS_PTHREAD, false)
342         # This is a kludge, we really ought to test for libws2_32, but
343         # I can't make AC_CHECK_LIB link (the symbols seem to be mangled
344         # with @num suffixes)
345         LIBS="$LIBS -lws2_32"
346         CFLAGS="$CFLAGS -mno-cygwin"
347 fi
348
349 dnl ****************************
350 dnl *** Look for /dev/random ***
351 dnl ****************************
352
353 AC_MSG_CHECKING([if usage of random device is requested])
354 AC_ARG_ENABLE(dev-random,
355 [  --disable-dev-random    disable the use of the random device],
356 try_dev_random=$enableval, try_dev_random=yes)
357 AC_MSG_RESULT($try_dev_random)
358
359 case "{$target}" in
360     *-openbsd*)
361     NAME_DEV_RANDOM="/dev/srandom"
362     ;;
363
364 dnl Win32 does not have /dev/random, they have their own method...
365
366     *-*-mingw*|*-*-cygwin*)
367     ac_cv_have_dev_random = no
368     ;;
369
370 dnl Everywhere else, it's /dev/random
371
372     *)
373     NAME_DEV_RANDOM="/dev/random"
374     ;;
375 esac
376
377 AC_DEFINE_UNQUOTED(NAME_DEV_RANDOM, "$NAME_DEV_RANDOM")
378
379 dnl Now check if the device actually exists
380
381 if test "x$try_dev_random" = "xyes"; then
382     AC_CACHE_CHECK(for random device, ac_cv_have_dev_random,
383     [if test -r "$NAME_DEV_RANDOM" ; then
384         ac_cv_have_dev_random=yes; else ac_cv_have_dev_random=no; fi])
385     if test "x$ac_cv_have_dev_random" = "xyes"; then
386         AC_DEFINE(HAVE_CRYPT_RNG)
387     fi
388 else
389     AC_MSG_CHECKING(for random device)
390     ac_cv_have_dev_random=no
391     AC_MSG_RESULT(has been disabled)
392 fi
393
394 if test "x$platform_win32" = "xyes"; then
395     AC_DEFINE(HAVE_CRYPT_RNG)
396 fi
397
398 if test "x$ac_cv_have_dev_random" = "xno" \
399     && test "x$platform_win32" = "xno"; then
400     AC_MSG_WARN([[
401 ***
402 *** A system-provided entropy source was not found on this system.
403 *** Because of this, the System.Security.Cryptography random number generator
404 *** will throw a NotImplemented exception.
405 ***
406 *** If you are seeing this message, and you know your system DOES have an
407 *** entropy collection in place, please contact <crichton@gimp.org> and
408 *** provide information about the system and how to access the random device.
409 ***
410 *** For those systems who lack a random device, EGD support is forthcoming.
411 ***]])
412 fi
413  
414 if test "x$cross_compiling" = "xno"; then
415 # check for new iconv version
416 AC_MSG_CHECKING(for new iconv)
417 AC_CACHE_VAL(new_iconv,[
418         AC_TRY_RUN([#include <stdio.h> 
419                 #include <iconv.h>
420  
421                 int main()
422                 {
423                   exit (iconv_open ("UTF-16le", "UTF-8") == (iconv_t)-1);
424                 }
425                 ],
426                 new_iconv=yes,new_iconv=)])
427 if test -n "$new_iconv"; then
428         AC_MSG_RESULT(yes)
429         AC_DEFINE(HAVE_NEW_ICONV)
430 else
431         AC_MSG_RESULT(no)
432 fi
433 fi
434
435 TARGET="unknown"
436 ACCESS_UNALIGNED="yes"
437
438 case "$host" in
439 #mips-sgi-irix5.* | mips-sgi-irix6.*) TARGET=MIPS; ACCESS_UNALIGNED="no";;
440 i*86-*-*) TARGET=X86; arch_target=x86;;
441 sparc*-*-*) TARGET=SPARC; arch_target=sparc; ACCESS_UNALIGNED="no";;
442 #alpha*-*-linux* | alpha*-*-osf*) TARGET=ALPHA; ACCESS_UNALIGNED="no";;
443 #m68k-*-linux*) TARGET=M68K;;
444 powerpc-*-linux* | powerpc-*-sysv*) TARGET=POWERPC; arch_target=ppc;;
445 arm-*-linux-*) TARGET=ARM; arch_target=arm; ACCESS_UNALIGNED="no";;
446 esac
447
448 if test ${TARGET} = unknown; then
449         CFLAGS="$CFLAGS -DNO_PORT"
450         AC_MSG_WARN("mono has not been ported to $host: some things may not work.")
451 fi
452
453 if test ${ACCESS_UNALIGNED} = no; then
454         CPPFLAGS="$CPPFLAGS -DNO_UNALIGNED_ACCESS"
455 fi
456
457 AM_CONDITIONAL(MIPS_GCC, test ${TARGET}${ac_cv_prog_gcc} = MIPSyes)
458 AM_CONDITIONAL(MIPS_SGI, test ${TARGET}${ac_cv_prog_gcc} = MIPSno)
459 AM_CONDITIONAL(SPARC, test x$TARGET = xSPARC)
460 AM_CONDITIONAL(X86, test x$TARGET = xX86)
461 AM_CONDITIONAL(ALPHA, test x$TARGET = xALPHA)
462 AM_CONDITIONAL(M68K, test x$TARGET = xM68K)
463 AM_CONDITIONAL(POWERPC, test x$TARGET = xPOWERPC)
464 AM_CONDITIONAL(ARM, test x$TARGET = xARM)
465
466 AC_SUBST(arch_target)
467 AC_SUBST(CFLAGS)
468
469 AC_OUTPUT([
470 Makefile
471 mono/Makefile
472 mono/utils/Makefile
473 mono/metadata/Makefile
474 mono/dis/Makefile
475 mono/cil/Makefile
476 mono/arch/Makefile
477 mono/arch/x86/Makefile
478 mono/arch/ppc/Makefile
479 mono/arch/sparc/Makefile
480 mono/arch/arm/Makefile
481 mono/interpreter/Makefile
482 mono/tests/Makefile
483 mono/benchmark/Makefile
484 mono/monoburg/Makefile
485 mono/monograph/Makefile
486 mono/jit/Makefile
487 mono/io-layer/Makefile
488 runtime/Makefile
489 scripts/Makefile
490 man/Makefile
491 doc/Makefile
492 docs/Makefile
493 ])
494
495 echo "
496
497         GC:     $gc
498
499 "