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)
19 if test -z "$with_target_subdir" || test "$with_target_subdir" = "."; then
26 dnl The -no-testsuite modules omit the test subdir.
27 AM_CONDITIONAL(TESTSUBDIR, test -d $srcdir/testsuite)
29 dnl See whether the user prefers size or speed for Character.
30 dnl The default is size.
31 AC_ARG_ENABLE(fast-character,
32 [ --enable-fast-character Prefer speed over size for Character],
34 , AC_DEFINE(COMPACT_CHARACTER))
36 dnl See if the user has requested runtime debugging.
37 AC_ARG_ENABLE(libgcj-debug,
38 [ --enable-libgcj-debug Enable runtime debugging code],
39 if test "$enable_libgcj_debug" = yes; then
43 dnl If the target is an eCos system, use the appropriate eCos
45 dnl FIXME: this should not be a local option but a global target
46 dnl system; at present there is no eCos target.
49 [ --with-ecos Enable runtime eCos target support.],
50 TARGET_ECOS="$with_ecos"
53 case "$TARGET_ECOS" in
55 FILE_DESCRIPTOR=natFileDescriptorPosix.cc
58 FILE_DESCRIPTOR=natFileDescriptorEcos.cc
63 AC_EGREP_HEADER(__uint32_t, sys/types.h, AC_DEFINE(HAVE_INT32_DEFINED))
64 AC_EGREP_HEADER(__uint32_t, sys/config.h, AC_DEFINE(HAVE_INT32_DEFINED))
66 dnl These may not be defined in a non-ANS conformant embedded system.
67 dnl FIXME: Should these case a runtime exception in that case?
68 AC_EGREP_HEADER(mktime, time.h, AC_DEFINE(HAVE_MKTIME))
69 AC_EGREP_HEADER(localtime, time.h, AC_DEFINE(HAVE_LOCALTIME))
71 dnl Create the subdirectory for natFileDescriptor.cc, or the attempt
72 dnl to create the link will fail.
73 test -d java || mkdir java
74 test -d java/io || mkdir java/io
75 AC_LINK_FILES(java/io/$FILE_DESCRIPTOR, java/io/natFileDescriptor.cc)
77 dnl Allow the GC to be disabled. Can be useful when debugging.
78 AC_MSG_CHECKING([for garbage collector to use])
79 AC_ARG_ENABLE(java-gc,
81 << --enable-java-gc=TYPE choose garbage collector [boehm]>>,
92 GCLIBS='-L$(top_builddir)/../boehm-gc -lgcjgc'
93 GCDEPS='$(top_builddir)/../boehm-gc/libgcjgc.a'
94 GCINCS='-I$(top_srcdir)/../boehm-gc -I$(top_builddir)/../boehm-gc'
95 dnl We also want to pick up some cpp flags required when including
96 dnl boehm-config.h. Yuck.
97 GCINCS="$GCINCS `cat ../boehm-gc/boehm-cflags`"
100 dnl The POSIX thread support needs to know this.
101 AC_DEFINE(HAVE_BOEHM_GC)
109 AC_MSG_ERROR(unrecognized collector \"$GC\")
116 AC_LINK_FILES(include/$GCHDR, include/java-gc.h)
119 dnl Note that this code is kept in sync with similar code in gcc/configure.in.
120 dnl In particular both packages must make the same decision about which
121 dnl thread package to use.
122 AC_MSG_CHECKING([for threads package to use])
123 AC_ARG_ENABLE(threads, [ --enable-threads=TYPE choose threading package],
125 dnl FIXME: figure out native threads to use here.
128 if test "$THREADS" = yes; then
134 # FIXME: this isn't correct in all cases.
144 # FIXME: for now, choose POSIX, because we implement that.
145 # Later, choose solaris threads.
163 AC_DEFINE(LINUX_THREADS)
169 decosf1 | irix | mach | os2 | solaris | win32 | dce | vxworks)
170 AC_MSG_ERROR(thread package $THREADS not yet supported)
173 AC_MSG_ERROR($THREADS is an unknown thread package)
176 AC_MSG_RESULT($THREADS)
186 THREADOBJS=posix-threads.o
187 THREADH=posix-threads.h
188 # MIT pthreads doesn't seem to have the mutexattr functions.
189 # But for now we don't check for it. We just assume you aren't
190 # using MIT pthreads.
191 AC_DEFINE(HAVE_PTHREAD_MUTEXATTR_INIT)
195 THREADLIBS='-L$(top_builddir)/../qthreads -lgcjcoop'
196 THREADOBJS=quick-threads.o
197 THREADINCS='-I$(top_srcdir)/../qthreads'
198 THREADH=quick-threads.h
199 THREADDEPS='$(top_builddir)/../qthreads/libgcjcoop.a'
203 THREADOBJS=no-threads.o
207 AC_LINK_FILES(include/$THREADH, include/java-threads.h)
213 AM_CONDITIONAL(USING_GCC, test "$GCC" = yes)
218 # Find eh-common.h and support headers. If we're in the tree with
219 # gcc, then look there. Otherwise look in compat-include. If all else
220 # fails, just hope the user has set things up somehow.
221 if test -r $srcdir/../gcc/eh-common.h; then
222 EH_COMMON_INCLUDE='-I$(top_srcdir)/../gcc -I$(top_srcdir)/../include'
224 if test -d $srcdir/../compat-include; then
225 EH_COMMON_INCLUDE='-I$(top_srcdir)/../compat-include'
231 if test -n "${with_cross_host}"; then
232 # We are being configured with a cross compiler. AC_REPLACE_FUNCS
233 # may not work correctly, because the compiler may not be able to
236 # We assume newlib. This lets us hard-code the functions we know
238 AC_DEFINE(HAVE_MEMMOVE)
239 AC_DEFINE(HAVE_MEMCPY)
240 AC_DEFINE(HAVE_STRERROR)
241 AC_DEFINE(HAVE_CTIME_R)
242 AC_DEFINE(HAVE_GMTIME_R)
243 AC_DEFINE(HAVE_LOCALTIME_R)
244 dnl This is only for POSIX threads.
245 AC_DEFINE(HAVE_PTHREAD_MUTEXATTR_INIT)
246 dnl We also assume we are using gcc, which provides alloca.
247 AC_DEFINE(HAVE_ALLOCA)
249 # If Canadian cross, then don't pick up tools from the build
251 if test "$build" != "$with_cross_host"; then
256 # Some POSIX thread systems don't have pthread_mutexattr_settype.
258 AC_CHECK_FUNCS(strerror ioctl select open fsync sleep)
259 AC_CHECK_FUNCS(ctime_r ctime, break)
260 AC_CHECK_FUNCS(gmtime_r localtime_r readdir_r getpwuid_r)
261 AC_CHECK_FUNCS(access stat mkdir rename rmdir unlink realpath)
262 AC_CHECK_FUNCS(inet_aton inet_addr, break)
263 AC_CHECK_FUNCS(inet_pton uname)
265 AC_CHECK_FUNCS(gethostbyname_r, [
266 AC_DEFINE(HAVE_GETHOSTBYNAME_R)
267 # There are two different kinds of gethostbyname_r.
268 # We look for the one that returns `int'.
269 # Hopefully this check is robust enough.
270 AC_EGREP_HEADER(int.*gethostbyname_r, netdb.h, [
271 AC_DEFINE(GETHOSTBYNAME_R_RETURNS_INT)])])
273 AC_CHECK_FUNCS(gethostbyaddr_r, [
274 AC_DEFINE(HAVE_GETHOSTBYADDR_R)
275 # There are two different kinds of gethostbyaddr_r.
276 # We look for the one that returns `int'.
277 # Hopefully this check is robust enough.
278 AC_EGREP_HEADER(int.*gethostbyaddr_r, netdb.h, [
279 AC_DEFINE(GETHOSTBYADDR_R_RETURNS_INT)])])
281 AC_CHECK_FUNCS(gethostname, [
282 AC_DEFINE(HAVE_GETHOSTNAME)
283 AC_EGREP_HEADER(gethostname, unistd.h, [
284 AC_DEFINE(HAVE_GETHOSTNAME_DECL)])])
286 # Look for these functions in the thread library.
288 LIBS="$LIBS $THREADLIBS"
289 AC_CHECK_FUNCS(pthread_mutexattr_settype pthread_mutexattr_setkind_np sched_yield)
292 # We require a way to get the time.
294 AC_CHECK_FUNCS(gettimeofday time ftime, time_found=yes)
295 if test "$time_found" = no; then
296 AC_MSG_ERROR([no function found to get the time])
299 # We require memmove.
301 AC_CHECK_FUNCS(memmove, memmove_found=yes)
302 if test "$memmove_found" = no; then
303 AC_MSG_ERROR([memmove is required])
308 AC_CHECK_FUNCS(memcpy, memcpy_found=yes)
309 if test "$memcpy_found" = no; then
310 AC_MSG_ERROR([memcpy is required])
313 test -d "$libgcj_basedir/../gcc/java" || {
319 AM_CONDITIONAL(CANADIAN, test "$CANADIAN" = yes)
320 AM_CONDITIONAL(NULL_TARGET, test "$NULL_TARGET" = yes)
321 AM_CONDITIONAL(NATIVE, test "$CANADIAN" = no || test "$NULL_TARGET" = yes)
323 AC_SUBST(EH_COMMON_INCLUDE)
325 AC_SUBST(AM_RUNTESTFLAGS)
327 dnl We check for sys/filio.h because Solaris 2.5 defines FIONREAD there.
328 dnl On that system, sys/ioctl.h will not include sys/filio.h unless
329 dnl BSD_COMP is defined; just including sys/filio.h is simpler.
330 AC_CHECK_HEADERS(unistd.h sys/time.h sys/types.h fcntl.h sys/ioctl.h sys/filio.h sys/stat.h sys/select.h sys/socket.h netinet/in.h arpa/inet.h netdb.h pwd.h)
331 dnl We avoid AC_HEADER_DIRENT since we really only care about dirent.h
332 dnl for now. If you change this, you also must update natFile.cc.
333 AC_CHECK_HEADERS(dirent.h)
335 AC_MSG_CHECKING([whether struct sockaddr_in6 is in netinet/in.h])
336 AC_TRY_COMPILE([#include <netinet/in.h>], [struct sockaddr_in6 addr6;],
337 [AC_DEFINE(HAVE_INET6)
341 AC_MSG_CHECKING([for socklen_t in sys/socket.h])
342 AC_TRY_COMPILE([#include <sys/socket.h>], [socklen_t x = 5;],
343 [AC_DEFINE(HAVE_SOCKLEN_T)
347 AC_MSG_CHECKING([for tm_gmtoff in struct tm])
348 AC_TRY_COMPILE([#include <time.h>], [struct tm tim; tim.tm_gmtoff = 0;],
349 [AC_DEFINE(STRUCT_TM_HAS_GMTOFF)
352 AC_MSG_CHECKING([for global timezone variable])
353 dnl FIXME: we don't want a link check here because that won't work
354 dnl when cross-compiling. So instead we make an assumption that
355 dnl the header file will mention timezone if it exists.
356 AC_TRY_COMPILE([#include <time.h>], [long z2 = timezone;],
357 [AC_DEFINE(HAVE_TIMEZONE)
359 [AC_MSG_RESULT(no)])])
363 AC_CHECK_PROGS(PERL, perl, false)
365 if test "${multilib}" = "yes"; then
366 multilib_arg="--enable-multilib"
374 AC_OUTPUT(Makefile testsuite/Makefile,
375 [if test -n "$CONFIG_FILES"; then
376 ac_file=Makefile . ${libgcj_basedir}/../config-ml.in
381 with_multisubdir=${with_multisubdir}
382 ac_configure_args="${multilib_arg} ${ac_configure_args}"
383 CONFIG_SHELL=${CONFIG_SHELL-/bin/sh}
384 libgcj_basedir=${libgcj_basedir}