gcc/libjava/configure.in

399 lines
11 KiB
Plaintext
Raw Normal View History

1999-04-07 16:42:40 +02:00
dnl Process this with autoconf to create configure
AC_INIT(java/lang/System.java)
dnl Can't be done in LIBGCJ_CONFIGURE because that confuses automake.
AC_CONFIG_AUX_DIR(..)
AC_CANONICAL_SYSTEM
dnl We use these options to decide which functions to include.
AC_ARG_WITH(target-subdir,
[ --with-target-subdir=SUBDIR Configuring in a subdirectory])
AC_ARG_WITH(cross-host,
[ --with-cross-host=HOST Configuring with a cross compiler])
LIBGCJ_CONFIGURE(.)
AM_CONFIG_HEADER(include/config.h)
if test -z "$with_target_subdir" || test "$with_target_subdir" = "."; then
COMPPATH=.
else
COMPPATH=..
fi
AC_SUBST(COMPPATH)
dnl The -no-testsuite modules omit the test subdir.
AM_CONDITIONAL(TESTSUBDIR, test -d $srcdir/testsuite)
dnl See whether the user prefers size or speed for Character.
dnl The default is size.
AC_ARG_ENABLE(fast-character,
[ --enable-fast-character Prefer speed over size for Character],
# Nothing
, AC_DEFINE(COMPACT_CHARACTER))
dnl See if the user has requested runtime debugging.
AC_ARG_ENABLE(libgcj-debug,
[ --enable-libgcj-debug Enable runtime debugging code],
if test "$enable_libgcj_debug" = yes; then
AC_DEFINE(DEBUG)
fi)
dnl If the target is an eCos system, use the appropriate eCos
dnl I/O routines.
dnl FIXME: this should not be a local option but a global target
dnl system; at present there is no eCos target.
TARGET_ECOS="no"
AC_ARG_WITH(ecos,
[ --with-ecos Enable runtime eCos target support.],
TARGET_ECOS="$with_ecos"
)
case "$TARGET_ECOS" in
no)
FILE_DESCRIPTOR=natFileDescriptorPosix.cc
;;
*)
FILE_DESCRIPTOR=natFileDescriptorEcos.cc
AC_DEFINE(ECOS)
;;
esac
AC_EGREP_HEADER(__uint32_t, sys/types.h, AC_DEFINE(HAVE_INT32_DEFINED))
AC_EGREP_HEADER(__uint32_t, sys/config.h, AC_DEFINE(HAVE_INT32_DEFINED))
dnl These may not be defined in a non-ANS conformant embedded system.
dnl FIXME: Should these case a runtime exception in that case?
AC_EGREP_HEADER(mktime, time.h, AC_DEFINE(HAVE_MKTIME))
AC_EGREP_HEADER(localtime, time.h, AC_DEFINE(HAVE_LOCALTIME))
dnl Create the subdirectory for natFileDescriptor.cc, or the attempt
dnl to create the link will fail.
test -d java || mkdir java
test -d java/io || mkdir java/io
AC_LINK_FILES(java/io/$FILE_DESCRIPTOR, java/io/natFileDescriptor.cc)
dnl Allow the GC to be disabled. Can be useful when debugging.
AC_MSG_CHECKING([for garbage collector to use])
AC_ARG_ENABLE(java-gc,
changequote(<<,>>)dnl
<< --enable-java-gc=TYPE choose garbage collector [boehm]>>,
changequote([,])
GC=$enableval,
GC=boehm)
GCLIBS=
GCINCS=
GCDEPS=
GCOBJS=
case "$GC" in
boehm)
AC_MSG_RESULT(boehm)
GCLIBS='-L$(top_builddir)/../boehm-gc -lgcjgc'
GCDEPS='$(top_builddir)/../boehm-gc/libgcjgc.a'
GCINCS='-I$(top_srcdir)/../boehm-gc -I$(top_builddir)/../boehm-gc'
dnl We also want to pick up some cpp flags required when including
dnl boehm-config.h. Yuck.
GCINCS="$GCINCS `cat ../boehm-gc/boehm-cflags`"
GCOBJS=boehm.o
GCHDR=boehm-gc.h
dnl The POSIX thread support needs to know this.
AC_DEFINE(HAVE_BOEHM_GC)
;;
no)
AC_MSG_RESULT(none)
GCOBJS=nogc.o
GCHDR=no-gc.h
;;
*)
AC_MSG_ERROR(unrecognized collector \"$GC\")
;;
esac
AC_SUBST(GCLIBS)
AC_SUBST(GCINCS)
AC_SUBST(GCDEPS)
AC_SUBST(GCOBJS)
AC_LINK_FILES(include/$GCHDR, include/java-gc.h)
dnl Note that this code is kept in sync with similar code in gcc/configure.in.
dnl In particular both packages must make the same decision about which
dnl thread package to use.
AC_MSG_CHECKING([for threads package to use])
AC_ARG_ENABLE(threads, [ --enable-threads=TYPE choose threading package],
THREADS=$enableval,
dnl FIXME: figure out native threads to use here.
THREADS=no)
if test "$THREADS" = yes; then
case "$host" in
*-*-vxworks*)
THREADS=vxworks
;;
*-*-linux*)
# FIXME: this isn't correct in all cases.
THREADS=posix
;;
*-*-win*)
THREADS=win32
;;
*-*-irix*)
THREADS=irix
;;
*-*-solaris*)
# FIXME: for now, choose POSIX, because we implement that.
# Later, choose solaris threads.
THREADS=posix
;;
*)
# For now.
THREADS=none
;;
esac
fi
case "$THREADS" in
no | none | single)
THREADS=none
;;
posix | pthreads)
THREADS=posix
case "$host" in
*-*-linux*)
AC_DEFINE(LINUX_THREADS)
;;
esac
;;
qt)
;;
decosf1 | irix | mach | os2 | solaris | win32 | dce | vxworks)
AC_MSG_ERROR(thread package $THREADS not yet supported)
;;
*)
AC_MSG_ERROR($THREADS is an unknown thread package)
;;
esac
AC_MSG_RESULT($THREADS)
THREADLIBS=
THREADINCS=
THREADDEPS=
THREADOBJS=
THREADH=
case "$THREADS" in
posix)
THREADLIBS=-lpthread
THREADOBJS=posix-threads.o
THREADH=posix-threads.h
# MIT pthreads doesn't seem to have the mutexattr functions.
# But for now we don't check for it. We just assume you aren't
# using MIT pthreads.
AC_DEFINE(HAVE_PTHREAD_MUTEXATTR_INIT)
;;
qt)
THREADLIBS='-L$(top_builddir)/../qthreads -lgcjcoop'
THREADOBJS=quick-threads.o
THREADINCS='-I$(top_srcdir)/../qthreads'
THREADH=quick-threads.h
THREADDEPS='$(top_builddir)/../qthreads/libgcjcoop.a'
;;
none)
THREADOBJS=no-threads.o
THREADH=no-threads.h
;;
esac
AC_LINK_FILES(include/$THREADH, include/java-threads.h)
AC_SUBST(THREADLIBS)
AC_SUBST(THREADINCS)
AC_SUBST(THREADDEPS)
AC_SUBST(THREADOBJS)
AM_CONDITIONAL(USING_GCC, test "$GCC" = yes)
CANADIAN=no
NULL_TARGET=no
# Find eh-common.h and support headers. If we're in the tree with
# gcc, then look there. Otherwise look in compat-include. If all else
# fails, just hope the user has set things up somehow.
if test -r $srcdir/../gcc/eh-common.h; then
EH_COMMON_INCLUDE='-I$(top_srcdir)/../gcc -I$(top_srcdir)/../include'
else
if test -d $srcdir/../compat-include; then
EH_COMMON_INCLUDE='-I$(top_srcdir)/../compat-include'
else
EH_COMMON_INCLUDE=
fi
fi
if test -n "${with_cross_host}"; then
# We are being configured with a cross compiler. AC_REPLACE_FUNCS
# may not work correctly, because the compiler may not be able to
# link executables.
# We assume newlib. This lets us hard-code the functions we know
# we'll have.
AC_DEFINE(HAVE_MEMMOVE)
AC_DEFINE(HAVE_MEMCPY)
AC_DEFINE(HAVE_STRERROR)
AC_DEFINE(HAVE_CTIME_R)
AC_DEFINE(HAVE_GMTIME_R)
AC_DEFINE(HAVE_LOCALTIME_R)
dnl This is only for POSIX threads.
AC_DEFINE(HAVE_PTHREAD_MUTEXATTR_INIT)
dnl We also assume we are using gcc, which provides alloca.
AC_DEFINE(HAVE_ALLOCA)
# If Canadian cross, then don't pick up tools from the build
# directory.
if test "$build" != "$with_cross_host"; then
CANADIAN=yes
EH_COMMON_INCLUDE=
fi
else
# Some POSIX thread systems don't have pthread_mutexattr_settype.
# E.g., Solaris.
AC_CHECK_FUNCS(strerror ioctl select open fsync sleep)
AC_CHECK_FUNCS(ctime_r ctime, break)
AC_CHECK_FUNCS(gmtime_r localtime_r readdir_r getpwuid_r)
AC_CHECK_FUNCS(access stat mkdir rename rmdir unlink realpath)
AC_CHECK_FUNCS(inet_aton inet_addr, break)
AC_CHECK_FUNCS(inet_pton uname)
AC_CHECK_FUNCS(gethostbyname_r, [
AC_DEFINE(HAVE_GETHOSTBYNAME_R)
# There are two different kinds of gethostbyname_r.
# We look for the one that returns `int'.
# Hopefully this check is robust enough.
AC_EGREP_HEADER(int.*gethostbyname_r, netdb.h, [
AC_DEFINE(GETHOSTBYNAME_R_RETURNS_INT)])])
AC_CHECK_FUNCS(gethostbyaddr_r, [
AC_DEFINE(HAVE_GETHOSTBYADDR_R)
# There are two different kinds of gethostbyaddr_r.
# We look for the one that returns `int'.
# Hopefully this check is robust enough.
AC_EGREP_HEADER(int.*gethostbyaddr_r, netdb.h, [
AC_DEFINE(GETHOSTBYADDR_R_RETURNS_INT)])])
AC_CHECK_FUNCS(gethostname, [
AC_DEFINE(HAVE_GETHOSTNAME)
AC_EGREP_HEADER(gethostname, unistd.h, [
AC_DEFINE(HAVE_GETHOSTNAME_DECL)])])
# Look for these functions in the thread library.
save_LIBS="$LIBS"
LIBS="$LIBS $THREADLIBS"
AC_CHECK_FUNCS(pthread_mutexattr_settype pthread_mutexattr_setkind_np sched_yield)
LIBS="$save_LIBS"
# We require a way to get the time.
time_found=no
AC_CHECK_FUNCS(gettimeofday time ftime, time_found=yes)
if test "$time_found" = no; then
AC_MSG_ERROR([no function found to get the time])
fi
# We require memmove.
memmove_found=no
AC_CHECK_FUNCS(memmove, memmove_found=yes)
if test "$memmove_found" = no; then
AC_MSG_ERROR([memmove is required])
fi
# We require memcpy.
memcpy_found=no
AC_CHECK_FUNCS(memcpy, memcpy_found=yes)
if test "$memcpy_found" = no; then
AC_MSG_ERROR([memcpy is required])
fi
test -d "$libgcj_basedir/../gcc/java" || {
CANADIAN=yes
NULL_TARGET=yes
}
fi
AM_CONDITIONAL(CANADIAN, test "$CANADIAN" = yes)
AM_CONDITIONAL(NULL_TARGET, test "$NULL_TARGET" = yes)
AM_CONDITIONAL(NATIVE, test "$CANADIAN" = no || test "$NULL_TARGET" = yes)
AC_SUBST(EH_COMMON_INCLUDE)
AC_SUBST(AM_RUNTESTFLAGS)
dnl We check for sys/filio.h because Solaris 2.5 defines FIONREAD there.
dnl On that system, sys/ioctl.h will not include sys/filio.h unless
dnl BSD_COMP is defined; just including sys/filio.h is simpler.
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)
dnl We avoid AC_HEADER_DIRENT since we really only care about dirent.h
dnl for now. If you change this, you also must update natFile.cc.
AC_CHECK_HEADERS(dirent.h)
AC_MSG_CHECKING([whether struct sockaddr_in6 is in netinet/in.h])
AC_TRY_COMPILE([#include <netinet/in.h>], [struct sockaddr_in6 addr6;],
[AC_DEFINE(HAVE_INET6)
AC_MSG_RESULT(yes)],
[AC_MSG_RESULT(no)])
AC_MSG_CHECKING([for socklen_t in sys/socket.h])
AC_TRY_COMPILE([#include <sys/socket.h>], [socklen_t x = 5;],
[AC_DEFINE(HAVE_SOCKLEN_T)
AC_MSG_RESULT(yes)],
[AC_MSG_RESULT(no)])
AC_MSG_CHECKING([for tm_gmtoff in struct tm])
AC_TRY_COMPILE([#include <time.h>], [struct tm tim; tim.tm_gmtoff = 0;],
[AC_DEFINE(STRUCT_TM_HAS_GMTOFF)
AC_MSG_RESULT(yes)],
[AC_MSG_RESULT(no)
AC_MSG_CHECKING([for global timezone variable])
dnl FIXME: we don't want a link check here because that won't work
dnl when cross-compiling. So instead we make an assumption that
dnl the header file will mention timezone if it exists.
AC_TRY_COMPILE([#include <time.h>], [long z2 = timezone;],
[AC_DEFINE(HAVE_TIMEZONE)
AC_MSG_RESULT(yes)],
[AC_MSG_RESULT(no)])])
AC_FUNC_ALLOCA
AC_CHECK_PROGS(PERL, perl, false)
case "${host}" in
i?86-*-linux*)
SIGNAL_HANDLER=include/i386-signal.h
;;
*)
SIGNAL_HANDLER=include/default-signal.h
;;
esac
AC_LINK_FILES($SIGNAL_HANDLER, include/java-signal.h)
1999-04-07 16:42:40 +02:00
if test "${multilib}" = "yes"; then
multilib_arg="--enable-multilib"
else
multilib_arg=
fi
here=`pwd`
AC_SUBST(here)
AC_OUTPUT(Makefile testsuite/Makefile,
[if test -n "$CONFIG_FILES"; then
ac_file=Makefile . ${libgcj_basedir}/../config-ml.in
fi],
srcdir=${srcdir}
host=${host}
target=${target}
with_multisubdir=${with_multisubdir}
ac_configure_args="${multilib_arg} ${ac_configure_args}"
CONFIG_SHELL=${CONFIG_SHELL-/bin/sh}
libgcj_basedir=${libgcj_basedir}
CC="${CC}"
CXX="${CXX}"
)