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 Configuring in a subdirectory])
12 AC_ARG_WITH(cross-host,
13 [ --with-cross-host=HOST Configuring with a cross compiler])
17 AM_CONFIG_HEADER(include/config.h)
21 if test -z "$with_target_subdir" || test "$with_target_subdir" = "."; then
28 dnl The -no-testsuite modules omit the test subdir.
29 AM_CONDITIONAL(TESTSUBDIR, test -d $srcdir/testsuite)
31 dnl See whether the user prefers size or speed for Character.
32 dnl The default is size.
33 AC_ARG_ENABLE(fast-character,
34 [ --enable-fast-character Prefer speed over size for Character],
36 , AC_DEFINE(COMPACT_CHARACTER))
38 dnl See if the user has requested runtime debugging.
39 AC_ARG_ENABLE(libgcj-debug,
40 [ --enable-libgcj-debug Enable runtime debugging code],
41 if test "$enable_libgcj_debug" = yes; then
45 dnl See if the user has the enterpreter included.
46 AC_ARG_ENABLE(interpreter,
47 [ --enable-interpreter Enable interpreter],
48 if test "$enable_interpreter" = yes; then
49 AC_DEFINE(INTERPRETER)
52 dnl This becomes -lffi if the interpreter is enables
56 dnl If the target is an eCos system, use the appropriate eCos
58 dnl FIXME: this should not be a local option but a global target
59 dnl system; at present there is no eCos target.
62 [ --with-ecos Enable runtime eCos target support.],
63 TARGET_ECOS="$with_ecos"
66 case "$TARGET_ECOS" in
68 FILE_DESCRIPTOR=natFileDescriptorPosix.cc
72 FILE_DESCRIPTOR=natFileDescriptorEcos.cc
78 AC_EGREP_HEADER(uint32_t, stdint.h, AC_DEFINE(HAVE_INT32_DEFINED))
79 AC_EGREP_HEADER(uint32_t, inttypes.h, AC_DEFINE(HAVE_INT32_DEFINED))
80 AC_EGREP_HEADER(u_int32_t, sys/types.h, AC_DEFINE(HAVE_BSD_INT32_DEFINED))
81 AC_EGREP_HEADER(u_int32_t, sys/config.h, AC_DEFINE(HAVE_BSD_INT32_DEFINED))
84 dnl These may not be defined in a non-ANS conformant embedded system.
85 dnl FIXME: Should these case a runtime exception in that case?
86 AC_EGREP_HEADER(mktime, time.h, AC_DEFINE(HAVE_MKTIME))
87 AC_EGREP_HEADER(localtime, time.h, AC_DEFINE(HAVE_LOCALTIME))
89 dnl Create the subdirectory for natFileDescriptor.cc, or the attempt
90 dnl to create the link will fail.
91 test -d java || mkdir java
92 test -d java/io || mkdir java/io
93 AC_LINK_FILES(java/io/$FILE_DESCRIPTOR, java/io/natFileDescriptor.cc)
95 dnl Likewise for ConcreteProcess.java and natConcreteProcess.cc.
96 test -d java/lang || mkdir java/lang
97 AC_LINK_FILES(java/lang/${PROCESS}Process.java, java/lang/ConcreteProcess.java)
98 AC_LINK_FILES(java/lang/nat${PROCESS}Process.cc, java/lang/natConcreteProcess.cc)
103 AC_ARG_WITH(system-zlib,
104 [ --with-system-zlib Use installed libz])
108 dnl FIXME: this should be _libs on some hosts.
111 dnl Allow the GC to be disabled. Can be useful when debugging.
112 AC_MSG_CHECKING([for garbage collector to use])
113 AC_ARG_ENABLE(java-gc,
114 changequote(<<,>>)dnl
115 << --enable-java-gc=TYPE choose garbage collector [boehm]>>,
127 GCDEPS='$(top_builddir)/../boehm-gc/libgcjgc.la'
128 # We include the path to the boehm-gc build directory.
129 # See Makefile.am to understand why.
130 GCLIBS="$GCDEPS -L\$(here)/../boehm-gc/$libsubdir"
131 GCINCS='-I$(top_srcdir)/../boehm-gc -I$(top_builddir)/../boehm-gc'
133 dnl We also want to pick up some cpp flags required when including
134 dnl boehm-config.h. Yuck.
135 GCINCS="$GCINCS `cat ../boehm-gc/boehm-cflags`"
138 dnl The POSIX thread support needs to know this.
139 AC_DEFINE(HAVE_BOEHM_GC)
147 AC_MSG_ERROR(unrecognized collector \"$GC\")
155 AC_LINK_FILES(include/$GCHDR, include/java-gc.h)
158 dnl Note that this code is kept in sync with similar code in gcc/configure.in.
159 dnl In particular both packages must make the same decision about which
160 dnl thread package to use.
161 AC_MSG_CHECKING([for threads package to use])
162 AC_ARG_ENABLE(threads, [ --enable-threads=TYPE choose threading package],
164 dnl FIXME: figure out native threads to use here.
167 if test "$THREADS" = yes; then
173 # FIXME: this isn't correct in all cases.
180 # FIXME: for now, choose POSIX, because we implement that.
181 # Later, choose irix threads.
185 # FIXME: for now, choose POSIX, because we implement that.
186 # Later, choose solaris threads.
204 AC_DEFINE(LINUX_THREADS)
210 decosf1 | irix | mach | os2 | solaris | win32 | dce | vxworks)
211 AC_MSG_ERROR(thread package $THREADS not yet supported)
214 AC_MSG_ERROR($THREADS is an unknown thread package)
217 AC_MSG_RESULT($THREADS)
229 THREADOBJS=posix-threads.lo
230 THREADH=posix-threads.h
231 # MIT pthreads doesn't seem to have the mutexattr functions.
232 # But for now we don't check for it. We just assume you aren't
233 # using MIT pthreads.
234 AC_DEFINE(HAVE_PTHREAD_MUTEXATTR_INIT)
238 THREADDEPS='$(top_builddir)/../qthreads/libgcjcoop.la'
239 # We include the path to the qthreads build directory.
240 # See Makefile.am to understand why.
241 THREADLIBS="$THREADDEPS -L\$(here)/../qthreads/$libsubdir"
242 THREADSPEC='-lgcjcoop'
243 THREADOBJS=quick-threads.lo
244 THREADINCS='-I$(top_srcdir)/../qthreads'
245 THREADH=quick-threads.h
249 THREADOBJS=no-threads.lo
253 AC_LINK_FILES(include/$THREADH, include/java-threads.h)
260 AM_CONDITIONAL(USING_GCC, test "$GCC" = yes)
265 # Find eh-common.h and support headers. If we're in the tree with
266 # gcc, then look there. Otherwise look in compat-include. If all else
267 # fails, just hope the user has set things up somehow.
268 if test -r $srcdir/../gcc/eh-common.h; then
269 EH_COMMON_INCLUDE='-I$(top_srcdir)/../gcc -I$(top_srcdir)/../include'
271 if test -d $srcdir/../compat-include; then
272 EH_COMMON_INCLUDE='-I$(top_srcdir)/../compat-include'
278 if test -n "${with_cross_host}"; then
279 # We are being configured with a cross compiler. AC_REPLACE_FUNCS
280 # may not work correctly, because the compiler may not be able to
283 # We assume newlib. This lets us hard-code the functions we know
285 AC_DEFINE(HAVE_MEMMOVE)
286 AC_DEFINE(HAVE_MEMCPY)
287 AC_DEFINE(HAVE_STRERROR)
288 AC_DEFINE(HAVE_CTIME_R)
289 AC_DEFINE(HAVE_GMTIME_R)
290 AC_DEFINE(HAVE_LOCALTIME_R)
291 dnl This is only for POSIX threads.
292 AC_DEFINE(HAVE_PTHREAD_MUTEXATTR_INIT)
293 dnl We also assume we are using gcc, which provides alloca.
294 AC_DEFINE(HAVE_ALLOCA)
298 # If Canadian cross, then don't pick up tools from the build
300 if test "$build" != "$with_cross_host"; then
303 GCJ="${target_alias}/gcj"
308 # Some POSIX thread systems don't have pthread_mutexattr_settype.
310 AC_CHECK_FUNCS(strerror ioctl select open fsync sleep)
311 AC_CHECK_FUNCS(ctime_r ctime, break)
312 AC_CHECK_FUNCS(gmtime_r localtime_r readdir_r getpwuid_r)
313 AC_CHECK_FUNCS(access stat mkdir rename rmdir unlink realpath)
314 AC_CHECK_FUNCS(inet_aton inet_addr, break)
315 AC_CHECK_FUNCS(inet_pton uname inet_ntoa)
317 AC_CHECK_FUNCS(gethostbyname_r, [
318 AC_DEFINE(HAVE_GETHOSTBYNAME_R)
319 # There are two different kinds of gethostbyname_r.
320 # We look for the one that returns `int'.
321 # Hopefully this check is robust enough.
322 AC_EGREP_HEADER(int.*gethostbyname_r, netdb.h, [
323 AC_DEFINE(GETHOSTBYNAME_R_RETURNS_INT)])
326 *" -D_REENTRANT "*) ;;
328 dnl On DU4.0, gethostbyname_r is only declared with -D_REENTRANT
329 AC_CACHE_CHECK([whether gethostbyname_r declaration requires -D_REENTRANT],
330 [libjava_cv_gethostbyname_r_needs_reentrant],
333 AC_TRY_COMPILE([#include <netdb.h>],
334 [gethostbyname_r("", 0, 0);],
335 [libjava_cv_gethostbyname_r_needs_reentrant=no], [dnl
336 CPPFLAGS_SAVE="$CPPFLAGS"
337 CPPFLAGS="$CPPFLAGS -D_REENTRANT"
338 AC_TRY_COMPILE([#include <netdb.h>], [gethostbyname_r("", 0, 0);],
339 [libjava_cv_gethostbyname_r_needs_reentrant=yes],
340 [libjava_cv_gethostbyname_r_needs_reentrant=fail])
341 CPPFLAGS="$CPPFLAGS_SAVE"
345 if test "x$libjava_cv_gethostbyname_r_needs_reentrant" = xyes; then
346 AC_DEFINE(GETHOSTBYNAME_R_NEEDS_REENTRANT, 1, [Define if gethostbyname_r is only declared if _REENTRANT is defined])
351 AC_CACHE_CHECK([for struct hostent_data],
352 [libjava_cv_struct_hostent_data], [dnl
354 #if GETHOSTBYNAME_R_NEEDS_REENTRANT && !defined(_REENTRANT)
355 # define _REENTRANT 1
357 #include <netdb.h>], [struct hostent_data data;],
358 [libjava_cv_struct_hostent_data=yes],
359 [libjava_cv_struct_hostent_data=no])])
360 if test "x$libjava_cv_struct_hostent_data" = xyes; then
361 AC_DEFINE(HAVE_STRUCT_HOSTENT_DATA, 1,
362 [Define if struct hostent_data is defined in netdb.h])
366 AC_CHECK_FUNCS(gethostbyaddr_r, [
367 AC_DEFINE(HAVE_GETHOSTBYADDR_R)
368 # There are two different kinds of gethostbyaddr_r.
369 # We look for the one that returns `int'.
370 # Hopefully this check is robust enough.
371 AC_EGREP_HEADER(int.*gethostbyaddr_r, netdb.h, [
372 AC_DEFINE(GETHOSTBYADDR_R_RETURNS_INT)])])
374 AC_CHECK_FUNCS(gethostname, [
375 AC_DEFINE(HAVE_GETHOSTNAME)
376 AC_EGREP_HEADER(gethostname, unistd.h, [
377 AC_DEFINE(HAVE_GETHOSTNAME_DECL)])])
379 # Look for these functions in the thread library.
381 LIBS="$LIBS $THREADLIBS"
382 AC_CHECK_FUNCS(pthread_mutexattr_settype pthread_mutexattr_setkind_np)
384 # Look for sched_yield. Up to Solaris 2.6, it is in libposix4, since
385 # Solaris 7 the name librt is preferred.
386 AC_CHECK_FUNCS(sched_yield, , [
387 AC_CHECK_LIB(rt, sched_yield, [
388 AC_DEFINE(HAVE_SCHED_YIELD)
389 THREADLIBS="$THREADLIBS -lrt"
390 THREADSPECS="$THREADSPECS -lrt"], [
391 AC_CHECK_LIB(posix4, sched_yield, [
392 AC_DEFINE(HAVE_SCHED_YIELD)
393 THREADLIBS="$THREADLIBS -lposix4"
394 THREADSPECS="$THREADSPECS -lposix4"])])])
397 # We require a way to get the time.
399 AC_CHECK_FUNCS(gettimeofday time ftime, time_found=yes)
400 if test "$time_found" = no; then
401 AC_MSG_ERROR([no function found to get the time])
404 AC_CHECK_FUNCS(memmove)
408 AC_CHECK_FUNCS(memcpy, memcpy_found=yes)
409 if test "$memcpy_found" = no; then
410 AC_MSG_ERROR([memcpy is required])
413 # Some library-finding code we stole from Tcl.
414 #--------------------------------------------------------------------
415 # Check for the existence of the -lsocket and -lnsl libraries.
416 # The order here is important, so that they end up in the right
417 # order in the command line generated by make. Here are some
418 # special considerations:
419 # 1. Use "connect" and "accept" to check for -lsocket, and
420 # "gethostbyname" to check for -lnsl.
421 # 2. Use each function name only once: can't redo a check because
422 # autoconf caches the results of the last check and won't redo it.
423 # 3. Use -lnsl and -lsocket only if they supply procedures that
424 # aren't already present in the normal libraries. This is because
425 # IRIX 5.2 has libraries, but they aren't needed and they're
426 # bogus: they goof up name resolution if used.
427 # 4. On some SVR4 systems, can't use -lsocket without -lnsl too.
428 # To get around this problem, check for both libraries together
429 # if -lsocket doesn't work by itself.
430 #--------------------------------------------------------------------
432 AC_CACHE_CHECK([for socket libraries], gcj_cv_lib_sockets,
435 unset ac_cv_func_connect
436 AC_CHECK_FUNC(connect, gcj_checkSocket=0, gcj_checkSocket=1)
437 if test "$gcj_checkSocket" = 1; then
438 unset ac_cv_func_connect
439 AC_CHECK_LIB(socket, main, gcj_cv_lib_sockets="-lsocket",
442 if test "$gcj_checkBoth" = 1; then
444 LIBS="$LIBS -lsocket -lnsl"
445 unset ac_cv_func_accept
446 AC_CHECK_FUNC(accept,
448 gcj_cv_lib_sockets="-lsocket -lnsl"])
449 unset ac_cv_func_accept
452 unset ac_cv_func_gethostbyname
454 LIBS="$LIBS $gcj_cv_lib_sockets"
455 AC_CHECK_FUNC(gethostbyname, ,
456 [AC_CHECK_LIB(nsl, main,
457 [gcj_cv_lib_sockets="$gcj_cv_lib_sockets -lnsl"])])
458 unset ac_cv_func_gethostbyname
461 SYSTEMSPEC="$SYSTEMSPEC $gcj_cv_lib_sockets"
463 if test "$enable_interpreter" = yes; then
467 if test "$with_system_zlib" = yes; then
468 AC_CHECK_LIB(z, deflate, ZLIBSPEC=-lz, ZLIBSPEC=-lzgcj)
473 # On Solaris, and maybe other architectures, the Boehm collector
475 if test "$GC" = boehm; then
476 AC_CHECK_LIB(dl, main, SYSTEMSPEC="$SYSTEMSPEC -ldl")
479 if test -d "$libgcj_basedir/../gcc/java"; then
491 if test "x$ZLIBSPEC" = "x-lzgcj"; then
492 # We include the path to the zlib build directory.
493 # See Makefile.am to understand why.
494 ZDEPS='$(top_builddir)/../zlib/libzgcj.la'
495 ZLIBS="$ZDEPS -L\$(here)/../zlib/$libsubdir"
496 ZINCS='-I$(top_srcdir)/../zlib'
505 AM_CONDITIONAL(CANADIAN, test "$CANADIAN" = yes)
506 AM_CONDITIONAL(NULL_TARGET, test "$NULL_TARGET" = yes)
507 AM_CONDITIONAL(NATIVE, test "$CANADIAN" = no || test "$NULL_TARGET" = yes)
508 AM_CONDITIONAL(USE_LIBDIR, test -z "$with_cross_host")
509 AC_SUBST(EH_COMMON_INCLUDE)
511 # Determine gcj version number.
512 if test "$GCJ" = ""; then
513 if test -z "${with_multisubdir}"; then
516 builddotdot=`echo ${with_multisubdir} | sed -e 's:[^/][^/]*:..:g'`
518 dir="`cd ${builddotdot}/../../gcc && pwd`"
519 GCJ="$dir/gcj -B$dir/"
522 gcjvers="`$GCJ -v 2>&1 | sed -n 's/^.*version \([^ ]*\).*$/\1/p'`"
524 AC_DEFINE_UNQUOTED(GCJVERSION, "$gcjvers")
526 AC_SUBST(AM_RUNTESTFLAGS)
528 dnl We check for sys/filio.h because Solaris 2.5 defines FIONREAD there.
529 dnl On that system, sys/ioctl.h will not include sys/filio.h unless
530 dnl BSD_COMP is defined; just including sys/filio.h is simpler.
531 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)
532 dnl We avoid AC_HEADER_DIRENT since we really only care about dirent.h
533 dnl for now. If you change this, you also must update natFile.cc.
534 AC_CHECK_HEADERS(dirent.h)
536 AC_MSG_CHECKING([whether struct sockaddr_in6 is in netinet/in.h])
537 AC_TRY_COMPILE([#include <netinet/in.h>], [struct sockaddr_in6 addr6;],
538 [AC_DEFINE(HAVE_INET6)
542 AC_MSG_CHECKING([for socklen_t in sys/socket.h])
543 AC_TRY_COMPILE([#include <sys/socket.h>], [socklen_t x = 5;],
544 [AC_DEFINE(HAVE_SOCKLEN_T)
548 AC_MSG_CHECKING([for tm_gmtoff in struct tm])
549 AC_TRY_COMPILE([#include <time.h>], [struct tm tim; tim.tm_gmtoff = 0;],
550 [AC_DEFINE(STRUCT_TM_HAS_GMTOFF)
553 AC_MSG_CHECKING([for global timezone variable])
554 dnl FIXME: we don't want a link check here because that won't work
555 dnl when cross-compiling. So instead we make an assumption that
556 dnl the header file will mention timezone if it exists.
557 AC_TRY_COMPILE([#include <time.h>], [long z2 = timezone;],
558 [AC_DEFINE(HAVE_TIMEZONE)
560 [AC_MSG_RESULT(no)])])
564 AC_CHECK_PROGS(PERL, perl, false)
568 SIGNAL_HANDLER=include/i386-signal.h
571 SIGNAL_HANDLER=include/sparc-signal.h
574 SIGNAL_HANDLER=include/default-signal.h
578 AC_LINK_FILES($SIGNAL_HANDLER, include/java-signal.h)
580 if test "${multilib}" = "yes"; then
581 multilib_arg="--enable-multilib"
589 AC_OUTPUT(Makefile libgcj.spec testsuite/Makefile,
590 [if test -n "$CONFIG_FILES"; then
591 ac_file=Makefile . ${libgcj_basedir}/../config-ml.in
596 with_multisubdir=${with_multisubdir}
597 ac_configure_args="${multilib_arg} ${ac_configure_args}"
598 CONFIG_SHELL=${CONFIG_SHELL-/bin/sh}
599 libgcj_basedir=${libgcj_basedir}