1 dnl Process this with autoconf to create configure
2 AC_INIT(java/lang/System.java)
4 dnl Can't be done in LIBGCJ_CONFIGURE because that confuses automake.
9 dnl We use these options to decide which functions to include.
10 AC_ARG_WITH(target-subdir,
11 [ --with-target-subdir=SUBDIR
12 configuring in a subdirectory])
13 AC_ARG_WITH(cross-host,
14 [ --with-cross-host=HOST configuring with a cross compiler])
18 AM_CONFIG_HEADER(include/config.h)
22 if test -z "$with_target_subdir" || test "$with_target_subdir" = "."; then
29 dnl The -no-testsuite modules omit the test subdir.
30 AM_CONDITIONAL(TESTSUBDIR, test -d $srcdir/testsuite)
32 dnl See whether the user prefers size or speed for Character.
33 dnl The default is size.
34 AC_ARG_ENABLE(fast-character,
35 [ --enable-fast-character prefer speed over size for Character],
37 , AC_DEFINE(COMPACT_CHARACTER))
39 dnl Should the runtime set system properties by examining the
40 dnl environment variable GCJ_PROPERTIES?
41 AC_ARG_ENABLE(getenv-properties,
42 [ --disable-getenv-properties
43 don't set system properties from GCJ_PROPERTIES])
45 dnl Whether GCJ_PROPERTIES is used depends on the target.
46 if test -n "$enable_getenv_properties"; then
47 enable_getenv_properties=${enable_getenv_properties_default-yes}
49 if test "$enable_getenv_properties" = no; then
50 AC_DEFINE(DISABLE_GETENV_PROPERTIES)
53 dnl See if the user has requested runtime debugging.
54 AC_ARG_ENABLE(libgcj-debug,
55 [ --enable-libgcj-debug enable runtime debugging code],
56 if test "$enable_libgcj_debug" = yes; then
60 dnl See if the user has the enterpreter included.
61 AC_ARG_ENABLE(interpreter,
62 [ --enable-interpreter enable interpreter],
63 if test "$enable_interpreter" = yes; then
64 AC_DEFINE(INTERPRETER)
67 dnl See if the user wants to disable java.net. This is the mildly
68 dnl ugly way that we admit that target-side configuration sucks.
69 AC_ARG_ENABLE(java-net,
70 [ --disable-java-net disable java.net])
72 dnl Whether java.net is built by default can depend on the target.
73 if test -n "$enable_java_net"; then
74 enable_java_net=${enable_java_net_default-yes}
76 if test "$enable_java_net" = no; then
77 AC_DEFINE(DISABLE_JAVA_NET)
80 dnl If the target is an eCos system, use the appropriate eCos
82 dnl FIXME: this should not be a local option but a global target
83 dnl system; at present there is no eCos target.
86 [ --with-ecos enable runtime eCos target support],
87 TARGET_ECOS="$with_ecos"
90 case "$TARGET_ECOS" in
92 FILE_DESCRIPTOR=natFileDescriptorPosix.cc
93 PROCESS=${PROCESS-Posix}
96 FILE_DESCRIPTOR=natFileDescriptorEcos.cc
102 AC_EGREP_HEADER(uint32_t, stdint.h, AC_DEFINE(HAVE_INT32_DEFINED))
103 AC_EGREP_HEADER(uint32_t, inttypes.h, AC_DEFINE(HAVE_INT32_DEFINED))
104 AC_EGREP_HEADER(u_int32_t, sys/types.h, AC_DEFINE(HAVE_BSD_INT32_DEFINED))
105 AC_EGREP_HEADER(u_int32_t, sys/config.h, AC_DEFINE(HAVE_BSD_INT32_DEFINED))
108 dnl These may not be defined in a non-ANS conformant embedded system.
109 dnl FIXME: Should these case a runtime exception in that case?
110 AC_EGREP_HEADER(mktime, time.h, AC_DEFINE(HAVE_MKTIME))
111 AC_EGREP_HEADER(localtime, time.h, AC_DEFINE(HAVE_LOCALTIME))
113 dnl Create the subdirectory for natFileDescriptor.cc, or the attempt
114 dnl to create the link will fail.
115 test -d java || mkdir java
116 test -d java/io || mkdir java/io
117 AC_LINK_FILES(java/io/$FILE_DESCRIPTOR, java/io/natFileDescriptor.cc)
119 dnl Likewise for ConcreteProcess.java and natConcreteProcess.cc.
120 test -d java/lang || mkdir java/lang
121 AC_LINK_FILES(java/lang/${PROCESS}Process.java, java/lang/ConcreteProcess.java)
122 AC_LINK_FILES(java/lang/nat${PROCESS}Process.cc, java/lang/natConcreteProcess.cc)
127 AC_ARG_WITH(system-zlib,
128 [ --with-system-zlib use installed libz])
132 dnl FIXME: this should be _libs on some hosts.
135 dnl Allow the GC to be disabled. Can be useful when debugging.
136 AC_MSG_CHECKING([for garbage collector to use])
137 AC_ARG_ENABLE(java-gc,
138 changequote(<<,>>)dnl
139 << --enable-java-gc=TYPE choose garbage collector [boehm]>>,
151 GCDEPS='$(top_builddir)/../boehm-gc/libgcjgc.la'
152 # We include the path to the boehm-gc build directory.
153 # See Makefile.am to understand why.
154 GCLIBS="$GCDEPS -L\$(here)/../boehm-gc/$libsubdir"
155 GCINCS='-I$(top_srcdir)/../boehm-gc -I$(top_builddir)/../boehm-gc'
157 dnl We also want to pick up some cpp flags required when including
158 dnl boehm-config.h. Yuck.
159 GCINCS="$GCINCS `cat ../boehm-gc/boehm-cflags`"
162 dnl The POSIX thread support needs to know this.
163 AC_DEFINE(HAVE_BOEHM_GC)
171 AC_MSG_ERROR(unrecognized collector \"$GC\")
179 AC_LINK_FILES(include/$GCHDR, include/java-gc.h)
182 dnl Note that this code is kept in sync with similar code in gcc/configure.in.
183 dnl In particular both packages must make the same decision about which
184 dnl thread package to use.
185 AC_MSG_CHECKING([for threads package to use])
186 AC_ARG_ENABLE(threads, [ --enable-threads=TYPE choose threading package],
188 dnl FIXME: figure out native threads to use here.
191 if test "$THREADS" = yes; then
197 # FIXME: this isn't correct in all cases.
204 # FIXME: for now, choose POSIX, because we implement that.
205 # Later, choose irix threads.
209 # FIXME: for now, choose POSIX, because we implement that.
210 # Later, choose solaris threads.
228 AC_DEFINE(LINUX_THREADS)
234 decosf1 | irix | mach | os2 | solaris | win32 | dce | vxworks)
235 AC_MSG_ERROR(thread package $THREADS not yet supported)
238 AC_MSG_ERROR($THREADS is an unknown thread package)
241 AC_MSG_RESULT($THREADS)
253 THREADOBJS=posix-threads.lo
254 THREADH=posix-threads.h
255 # MIT pthreads doesn't seem to have the mutexattr functions.
256 # But for now we don't check for it. We just assume you aren't
257 # using MIT pthreads.
258 AC_DEFINE(HAVE_PTHREAD_MUTEXATTR_INIT)
262 THREADDEPS='$(top_builddir)/../qthreads/libgcjcoop.la'
263 # We include the path to the qthreads build directory.
264 # See Makefile.am to understand why.
265 THREADLIBS="$THREADDEPS -L\$(here)/../qthreads/$libsubdir"
266 THREADSPEC='-lgcjcoop'
267 THREADOBJS=quick-threads.lo
268 THREADINCS='-I$(top_srcdir)/../qthreads'
269 THREADH=quick-threads.h
273 THREADOBJS=no-threads.lo
277 AC_LINK_FILES(include/$THREADH, include/java-threads.h)
284 AM_CONDITIONAL(USING_GCC, test "$GCC" = yes)
290 # Find eh-common.h and support headers. If we're in the tree with
291 # gcc, then look there. Otherwise look in compat-include. If all else
292 # fails, just hope the user has set things up somehow.
293 if test -r $srcdir/../gcc/eh-common.h; then
294 EH_COMMON_INCLUDE='-I$(top_srcdir)/../gcc -I$(top_srcdir)/../include'
296 if test -d $srcdir/../compat-include; then
297 EH_COMMON_INCLUDE='-I$(top_srcdir)/../compat-include'
303 if test -n "${with_cross_host}"; then
304 # We are being configured with a cross compiler. AC_REPLACE_FUNCS
305 # may not work correctly, because the compiler may not be able to
308 # We assume newlib. This lets us hard-code the functions we know
310 AC_DEFINE(HAVE_MEMMOVE)
311 AC_DEFINE(HAVE_MEMCPY)
312 AC_DEFINE(HAVE_STRERROR)
313 AC_DEFINE(HAVE_GMTIME_R)
314 AC_DEFINE(HAVE_LOCALTIME_R)
315 dnl This is only for POSIX threads.
316 AC_DEFINE(HAVE_PTHREAD_MUTEXATTR_INIT)
317 dnl We also assume we are using gcc, which provides alloca.
318 AC_DEFINE(HAVE_ALLOCA)
322 # If Canadian cross, then don't pick up tools from the build
324 if test "$build" != "$with_cross_host"; then
327 GCJ="${target_alias}-gcj"
333 AC_CHECK_FUNCS(strerror ioctl select fstat open fsync sleep)
334 AC_CHECK_FUNCS(gmtime_r localtime_r readdir_r getpwuid_r)
335 AC_CHECK_FUNCS(access stat mkdir rename rmdir unlink realpath)
336 AC_CHECK_FUNCS(inet_aton inet_addr, break)
337 AC_CHECK_FUNCS(inet_pton uname inet_ntoa)
339 AC_CHECK_FUNCS(gethostbyname_r, [
340 AC_DEFINE(HAVE_GETHOSTBYNAME_R)
341 # There are two different kinds of gethostbyname_r.
342 # We look for the one that returns `int'.
343 # Hopefully this check is robust enough.
344 AC_EGREP_HEADER(int.*gethostbyname_r, netdb.h, [
345 AC_DEFINE(GETHOSTBYNAME_R_RETURNS_INT)])
348 *" -D_REENTRANT "*) ;;
350 dnl On DU4.0, gethostbyname_r is only declared with -D_REENTRANT
351 AC_CACHE_CHECK([whether gethostbyname_r declaration requires -D_REENTRANT],
352 [libjava_cv_gethostbyname_r_needs_reentrant],
355 AC_TRY_COMPILE([#include <netdb.h>],
356 [gethostbyname_r("", 0, 0);],
357 [libjava_cv_gethostbyname_r_needs_reentrant=no], [dnl
358 CPPFLAGS_SAVE="$CPPFLAGS"
359 CPPFLAGS="$CPPFLAGS -D_REENTRANT"
360 AC_TRY_COMPILE([#include <netdb.h>], [gethostbyname_r("", 0, 0);],
361 [libjava_cv_gethostbyname_r_needs_reentrant=yes],
362 [libjava_cv_gethostbyname_r_needs_reentrant=fail])
363 CPPFLAGS="$CPPFLAGS_SAVE"
367 if test "x$libjava_cv_gethostbyname_r_needs_reentrant" = xyes; then
368 AC_DEFINE(GETHOSTBYNAME_R_NEEDS_REENTRANT, 1, [Define if gethostbyname_r is only declared if _REENTRANT is defined])
373 AC_CACHE_CHECK([for struct hostent_data],
374 [libjava_cv_struct_hostent_data], [dnl
376 #if GETHOSTBYNAME_R_NEEDS_REENTRANT && !defined(_REENTRANT)
377 # define _REENTRANT 1
379 #include <netdb.h>], [struct hostent_data data;],
380 [libjava_cv_struct_hostent_data=yes],
381 [libjava_cv_struct_hostent_data=no])])
382 if test "x$libjava_cv_struct_hostent_data" = xyes; then
383 AC_DEFINE(HAVE_STRUCT_HOSTENT_DATA, 1,
384 [Define if struct hostent_data is defined in netdb.h])
388 AC_CHECK_FUNCS(gethostbyaddr_r, [
389 AC_DEFINE(HAVE_GETHOSTBYADDR_R)
390 # There are two different kinds of gethostbyaddr_r.
391 # We look for the one that returns `int'.
392 # Hopefully this check is robust enough.
393 AC_EGREP_HEADER(int.*gethostbyaddr_r, netdb.h, [
394 AC_DEFINE(GETHOSTBYADDR_R_RETURNS_INT)])])
396 AC_CHECK_FUNCS(gethostname, [
397 AC_DEFINE(HAVE_GETHOSTNAME)
398 AC_EGREP_HEADER(gethostname, unistd.h, [
399 AC_DEFINE(HAVE_GETHOSTNAME_DECL)])])
401 # Look for these functions in the thread library, but only bother
402 # if using POSIX threads.
403 if test "$THREADS" = posix; then
405 LIBS="$LIBS $THREADLIBS"
406 # Some POSIX thread systems don't have pthread_mutexattr_settype.
408 AC_CHECK_FUNCS(pthread_mutexattr_settype pthread_mutexattr_setkind_np)
410 # Look for sched_yield. Up to Solaris 2.6, it is in libposix4, since
411 # Solaris 7 the name librt is preferred.
412 AC_CHECK_FUNCS(sched_yield, , [
413 AC_CHECK_LIB(rt, sched_yield, [
414 AC_DEFINE(HAVE_SCHED_YIELD)
415 THREADLIBS="$THREADLIBS -lrt"
416 THREADSPEC="$THREADSPEC -lrt"], [
417 AC_CHECK_LIB(posix4, sched_yield, [
418 AC_DEFINE(HAVE_SCHED_YIELD)
419 THREADLIBS="$THREADLIBS -lposix4"
420 THREADSPEC="$THREADSPEC -lposix4"])])])
423 # We can save a little space at runtime if the mutex has m_count
424 # or __m_count. This is a nice hack for Linux.
425 AC_TRY_COMPILE([#include <pthread.h>], [
426 extern pthread_mutex_t *mutex; int q = mutex->m_count;
427 ], AC_DEFINE(PTHREAD_MUTEX_HAVE_M_COUNT), [
428 AC_TRY_COMPILE([#include <pthread.h>], [
429 extern pthread_mutex_t *mutex; int q = mutex->__m_count;
430 ], AC_DEFINE(PTHREAD_MUTEX_HAVE___M_COUNT))])
433 # We require a way to get the time.
435 AC_CHECK_FUNCS(gettimeofday time ftime, time_found=yes)
436 if test "$time_found" = no; then
437 AC_MSG_ERROR([no function found to get the time])
440 AC_CHECK_FUNCS(memmove)
444 AC_CHECK_FUNCS(memcpy, memcpy_found=yes)
445 if test "$memcpy_found" = no; then
446 AC_MSG_ERROR([memcpy is required])
449 # Some library-finding code we stole from Tcl.
450 #--------------------------------------------------------------------
451 # Check for the existence of the -lsocket and -lnsl libraries.
452 # The order here is important, so that they end up in the right
453 # order in the command line generated by make. Here are some
454 # special considerations:
455 # 1. Use "connect" and "accept" to check for -lsocket, and
456 # "gethostbyname" to check for -lnsl.
457 # 2. Use each function name only once: can't redo a check because
458 # autoconf caches the results of the last check and won't redo it.
459 # 3. Use -lnsl and -lsocket only if they supply procedures that
460 # aren't already present in the normal libraries. This is because
461 # IRIX 5.2 has libraries, but they aren't needed and they're
462 # bogus: they goof up name resolution if used.
463 # 4. On some SVR4 systems, can't use -lsocket without -lnsl too.
464 # To get around this problem, check for both libraries together
465 # if -lsocket doesn't work by itself.
466 #--------------------------------------------------------------------
468 AC_CACHE_CHECK([for socket libraries], gcj_cv_lib_sockets,
471 unset ac_cv_func_connect
472 AC_CHECK_FUNC(connect, gcj_checkSocket=0, gcj_checkSocket=1)
473 if test "$gcj_checkSocket" = 1; then
474 unset ac_cv_func_connect
475 AC_CHECK_LIB(socket, main, gcj_cv_lib_sockets="-lsocket",
478 if test "$gcj_checkBoth" = 1; then
480 LIBS="$LIBS -lsocket -lnsl"
481 unset ac_cv_func_accept
482 AC_CHECK_FUNC(accept,
484 gcj_cv_lib_sockets="-lsocket -lnsl"])
485 unset ac_cv_func_accept
488 unset ac_cv_func_gethostbyname
490 LIBS="$LIBS $gcj_cv_lib_sockets"
491 AC_CHECK_FUNC(gethostbyname, ,
492 [AC_CHECK_LIB(nsl, main,
493 [gcj_cv_lib_sockets="$gcj_cv_lib_sockets -lnsl"])])
494 unset ac_cv_func_gethostbyname
497 SYSTEMSPEC="$SYSTEMSPEC $gcj_cv_lib_sockets"
499 if test "$with_system_zlib" = yes; then
500 AC_CHECK_LIB(z, deflate, ZLIBSPEC=-lz, ZLIBSPEC=-lzgcj)
505 # On Solaris, and maybe other architectures, the Boehm collector
507 if test "$GC" = boehm; then
508 AC_CHECK_LIB(dl, main, SYSTEMSPEC="$SYSTEMSPEC -ldl")
511 if test -d "$libgcj_basedir/../gcc/java"; then
523 if test "x$ZLIBSPEC" = "x-lzgcj"; then
524 # We include the path to the zlib build directory.
525 # See Makefile.am to understand why.
526 ZDEPS='$(top_builddir)/../zlib/libzgcj.la'
527 ZLIBS="$ZDEPS -L\$(here)/../zlib/$libsubdir"
528 ZINCS='-I$(top_srcdir)/../zlib'
537 AM_CONDITIONAL(CANADIAN, test "$CANADIAN" = yes)
538 AM_CONDITIONAL(NULL_TARGET, test "$NULL_TARGET" = yes)
539 AM_CONDITIONAL(NATIVE, test "$NATIVE" = yes || test "$NULL_TARGET" = yes)
540 AM_CONDITIONAL(USE_LIBDIR, test -z "$with_cross_host")
541 AC_SUBST(EH_COMMON_INCLUDE)
543 # Determine gcj version number.
544 if test "$GCJ" = ""; then
545 if test -z "${with_multisubdir}"; then
549 builddotdot=`echo ${with_multisubdir} | sed -e 's:[^/][^/]*:..:g'`
552 dir="`cd ${builddotdot}/../../gcc && pwd`"
553 GCJ="$dir/gcj -B$dir/"
556 gcjvers="`$GCJ -v 2>&1 | sed -n 's/^.*version \([^ ]*\).*$/\1/p'`"
558 AC_DEFINE_UNQUOTED(GCJVERSION, "$gcjvers")
560 # See if gcj supports -fuse-divide-subroutine. gcc 2.95 does not, and
561 # we want to continue to support that version.
562 AC_MSG_CHECKING([whether gcj supports -fuse-divide-subroutine])
563 cat > conftest.java << 'END'
564 public class conftest { }
567 $GCJ -classpath $srcdir -fuse-divide-subroutine -fsyntax-only \
568 conftest.java > /dev/null 2>&1 \
571 if test "$use_fuse" = no; then
574 AC_MSG_RESULT($use_fuse)
576 AC_SUBST(AM_RUNTESTFLAGS)
578 dnl We check for sys/filio.h because Solaris 2.5 defines FIONREAD there.
579 dnl On that system, sys/ioctl.h will not include sys/filio.h unless
580 dnl BSD_COMP is defined; just including sys/filio.h is simpler.
581 AC_CHECK_HEADERS(unistd.h bstring.h sys/time.h sys/types.h fcntl.h sys/ioctl.h sys/filio.h sys/stat.h sys/select.h sys/socket.h netinet/in.h arpa/inet.h netdb.h pwd.h sys/config.h inttypes.h stdint.h)
582 dnl We avoid AC_HEADER_DIRENT since we really only care about dirent.h
583 dnl for now. If you change this, you also must update natFile.cc.
584 AC_CHECK_HEADERS(dirent.h)
586 AC_CHECK_TYPE([ssize_t], [int])
588 AC_MSG_CHECKING([for in_addr_t])
589 AC_TRY_COMPILE([#include <sys/types.h>
594 #if HAVE_NETINET_IN_H
595 #include <netinet/in.h>
596 #endif], [in_addr_t foo;],
597 [AC_DEFINE([HAVE_IN_ADDR_T])
601 AC_MSG_CHECKING([whether struct ip_mreq is in netinet/in.h])
602 AC_TRY_COMPILE([#include <netinet/in.h>], [struct ip_mreq mreq;],
603 [AC_DEFINE(HAVE_STRUCT_IP_MREQ)
607 AC_MSG_CHECKING([whether struct sockaddr_in6 is in netinet/in.h])
608 AC_TRY_COMPILE([#include <netinet/in.h>], [struct sockaddr_in6 addr6;],
609 [AC_DEFINE(HAVE_INET6)
613 AC_MSG_CHECKING([for socklen_t in sys/socket.h])
614 AC_TRY_COMPILE([#include <sys/socket.h>], [socklen_t x = 5;],
615 [AC_DEFINE(HAVE_SOCKLEN_T)
619 AC_MSG_CHECKING([for tm_gmtoff in struct tm])
620 AC_TRY_COMPILE([#include <time.h>], [struct tm tim; tim.tm_gmtoff = 0;],
621 [AC_DEFINE(STRUCT_TM_HAS_GMTOFF)
624 AC_MSG_CHECKING([for global timezone variable])
625 dnl FIXME: we don't want a link check here because that won't work
626 dnl when cross-compiling. So instead we make an assumption that
627 dnl the header file will mention timezone if it exists.
628 AC_TRY_COMPILE([#include <time.h>], [long z2 = timezone;],
629 [AC_DEFINE(HAVE_TIMEZONE)
631 [AC_MSG_RESULT(no)])])
635 AC_CHECK_PROGS(PERL, perl, false)
639 SIGNAL_HANDLER=include/i386-signal.h
642 SIGNAL_HANDLER=include/sparc-signal.h
645 SIGNAL_HANDLER=include/default-signal.h
649 AC_LINK_FILES($SIGNAL_HANDLER, include/java-signal.h)
651 if test "${multilib}" = "yes"; then
652 multilib_arg="--enable-multilib"
660 AC_OUTPUT(Makefile libgcj.spec gcj/Makefile include/Makefile testsuite/Makefile,
661 [if test -n "$CONFIG_FILES"; then
662 ac_file=Makefile . ${libgcj_basedir}/../config-ml.in
667 with_multisubdir=${with_multisubdir}
668 ac_configure_args="${multilib_arg} ${ac_configure_args}"
669 CONFIG_SHELL=${CONFIG_SHELL-/bin/sh}
670 libgcj_basedir=${libgcj_basedir}