261 lines
		
	
	
		
			6.7 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
			
		
		
	
	
			261 lines
		
	
	
		
			6.7 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
# Copyright (c) 1999-2001 by Red Hat, Inc. All rights reserved.
 | 
						|
# 
 | 
						|
# THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED
 | 
						|
# OR IMPLIED.  ANY USE IS AT YOUR OWN RISK.
 | 
						|
# 
 | 
						|
# Permission is hereby granted to use or copy this program
 | 
						|
# for any purpose,  provided the above notices are retained on all copies.
 | 
						|
# Permission to modify the code and to distribute modified code is granted,
 | 
						|
# provided the above notices are retained, and a notice that the code was
 | 
						|
# modified is included with the above copyright notice.
 | 
						|
#
 | 
						|
# Original author: Tom Tromey
 | 
						|
 | 
						|
dnl Process this file with autoconf to produce configure.
 | 
						|
 | 
						|
AC_INIT(gcj_mlc.c)
 | 
						|
 | 
						|
dnl Can't be done in GC_CONFIGURE because that confuses automake. 
 | 
						|
AC_CONFIG_AUX_DIR(.)
 | 
						|
 | 
						|
AC_CANONICAL_SYSTEM
 | 
						|
 | 
						|
GC_CONFIGURE(.)
 | 
						|
 | 
						|
AM_PROG_LIBTOOL
 | 
						|
 | 
						|
dnl We use these options to decide which functions to include.
 | 
						|
AC_ARG_WITH(target-subdir,
 | 
						|
[  --with-target-subdir=SUBDIR
 | 
						|
                          configuring with a cross compiler])
 | 
						|
AC_ARG_WITH(cross-host,
 | 
						|
[  --with-cross-host=HOST  configuring with a cross compiler])
 | 
						|
 | 
						|
AM_MAINTAINER_MODE
 | 
						|
# automake wants to see AC_EXEEXT.  But we don't need it.  And having
 | 
						|
# it is actually a problem, because the compiler we're passed can't
 | 
						|
# necessarily do a full link.  So we fool automake here.
 | 
						|
if false; then
 | 
						|
  # autoconf 2.50 runs AC_EXEEXT by default, and the macro expands
 | 
						|
  # to nothing, so nothing would remain between `then' and `fi' if it
 | 
						|
  # were not for the `:' below.
 | 
						|
  :
 | 
						|
  AC_EXEEXT
 | 
						|
fi
 | 
						|
 | 
						|
AC_MSG_CHECKING([for threads package to use])
 | 
						|
AC_ARG_ENABLE(threads, [  --enable-threads=TYPE   choose threading package],
 | 
						|
  THREADS=$enableval,
 | 
						|
  [ AC_MSG_CHECKING([for thread model used by GCC])
 | 
						|
    THREADS=`$CC -v 2>&1 | sed -n 's/^Thread model: //p'`
 | 
						|
    if test -z "$THREADS"; then
 | 
						|
      THREADS=no
 | 
						|
    fi
 | 
						|
    AC_MSG_RESULT([$THREADS])])
 | 
						|
 | 
						|
AC_ARG_ENABLE(parallel-mark,
 | 
						|
[  --enable-parallel-mark	parallelize marking and free list construction],
 | 
						|
   [case "$THREADS" in
 | 
						|
      no | none | single)
 | 
						|
	AC_MSG_ERROR([Parallel mark requires --enable-threads=x spec])
 | 
						|
	;;
 | 
						|
    esac]
 | 
						|
)
 | 
						|
 | 
						|
INCLUDES=-I${srcdir}/include
 | 
						|
THREADLIBS=
 | 
						|
case "$THREADS" in
 | 
						|
 no | none | single)
 | 
						|
    THREADS=none
 | 
						|
    ;;
 | 
						|
 posix | pthreads)
 | 
						|
    THREADS=posix
 | 
						|
    THREADLIBS=-lpthread
 | 
						|
    case "$host" in
 | 
						|
     x86-*-linux* | ia64-*-linux* | i586-*-linux* | i686-*-linux*)
 | 
						|
	AC_DEFINE(GC_LINUX_THREADS)
 | 
						|
	AC_DEFINE(_REENTRANT)
 | 
						|
        if test "${enable_parallel_mark}"; then
 | 
						|
	  AC_DEFINE(PARALLEL_MARK)
 | 
						|
	fi
 | 
						|
	AC_DEFINE(THREAD_LOCAL_ALLOC)
 | 
						|
	;;
 | 
						|
     *-*-linux*)
 | 
						|
	AC_DEFINE(GC_LINUX_THREADS)
 | 
						|
	AC_DEFINE(_REENTRANT)
 | 
						|
	;;
 | 
						|
     *-*-hpux*)
 | 
						|
	AC_MSG_WARN("Only HP/UX 11 threads are supported.")
 | 
						|
	AC_DEFINE(GC_HPUX_THREADS)
 | 
						|
	AC_DEFINE(_POSIX_C_SOURCE,199506L)
 | 
						|
	if test "${enable_parallel_mark}" = yes; then
 | 
						|
	  AC_DEFINE(PARALLEL_MARK)
 | 
						|
	fi
 | 
						|
	AC_DEFINE(THREAD_LOCAL_ALLOC)
 | 
						|
	THREADLIBS="-lpthread -lrt"
 | 
						|
	;;
 | 
						|
     *-*-freebsd*)
 | 
						|
	AC_MSG_WARN("FreeBSD does not yet fully support threads with Boehm GC.")
 | 
						|
	AC_DEFINE(FREEBSD_THREADS)
 | 
						|
	INCLUDES="$INCLUDES -pthread"
 | 
						|
	THREADLIBS=-pthread
 | 
						|
      	;;
 | 
						|
     *-*-solaris*)
 | 
						|
	AC_DEFINE(GC_SOLARIS_THREADS)
 | 
						|
	AC_DEFINE(GC_SOLARIS_PTHREADS)
 | 
						|
	;;
 | 
						|
     *-*-irix*)
 | 
						|
	AC_DEFINE(GC_IRIX_THREADS)
 | 
						|
	;;
 | 
						|
    esac
 | 
						|
    ;;
 | 
						|
 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_SUBST(THREADLIBS)
 | 
						|
 | 
						|
AC_CHECK_LIB(dl, dlopen, EXTRA_TEST_LIBS="$EXTRA_TEST_LIBS -ldl")
 | 
						|
AC_SUBST(EXTRA_TEST_LIBS)
 | 
						|
 | 
						|
target_all=libgc.la
 | 
						|
AC_SUBST(target_all)
 | 
						|
 | 
						|
dnl If the target is an eCos system, use the appropriate eCos
 | 
						|
dnl I/O routines.
 | 
						|
dnl FIXME: this should not be a local option but a global target
 | 
						|
dnl system; at present there is no eCos target.
 | 
						|
TARGET_ECOS="no"
 | 
						|
AC_ARG_WITH(ecos,
 | 
						|
[  --with-ecos             enable runtime eCos target support],
 | 
						|
TARGET_ECOS="$with_ecos"
 | 
						|
)
 | 
						|
 | 
						|
addobjs=
 | 
						|
CXXINCLUDES=
 | 
						|
case "$TARGET_ECOS" in
 | 
						|
   no)
 | 
						|
      ;;
 | 
						|
   *)
 | 
						|
      AC_DEFINE(ECOS)
 | 
						|
      CXXINCLUDES="-I${TARGET_ECOS}/include"
 | 
						|
      addobjs="$addobjs ecos.lo"
 | 
						|
      ;;
 | 
						|
esac
 | 
						|
AC_SUBST(CXX)
 | 
						|
 | 
						|
AC_SUBST(INCLUDES)
 | 
						|
AC_SUBST(CXXINCLUDES)
 | 
						|
 | 
						|
machdep=
 | 
						|
case "$host" in
 | 
						|
# alpha_mach_dep.s assumes that pointers are not saved in fp registers.
 | 
						|
# Gcc on a 21264 can spill pointers to fp registers.  Oops.
 | 
						|
# alpha*-*-*)
 | 
						|
#    machdep="alpha_mach_dep.lo"
 | 
						|
#    ;;
 | 
						|
 mipstx39-*-elf*)
 | 
						|
    machdep="mips_ultrix_mach_dep.lo"
 | 
						|
    AC_DEFINE(STACKBASE, __stackbase)
 | 
						|
    AC_DEFINE(DATASTART_IS_ETEXT)
 | 
						|
    ;;
 | 
						|
 mips-dec-ultrix*)
 | 
						|
    machdep="mips_ultrix_mach-dep.lo"
 | 
						|
    ;;
 | 
						|
 mips-*-*)
 | 
						|
    machdep="mips_sgi_mach_dep.lo"
 | 
						|
    AC_DEFINE(NO_EXECUTE_PERMISSION)
 | 
						|
    ;;
 | 
						|
 sparc-sun-solaris2.3*)
 | 
						|
    AC_DEFINE(SUNOS53_SHARED_LIB)
 | 
						|
    ;;
 | 
						|
esac
 | 
						|
if test x"$machdep" = x; then
 | 
						|
   machdep="mach_dep.lo"
 | 
						|
fi
 | 
						|
addobjs="$addobjs $machdep"
 | 
						|
AC_SUBST(addobjs)
 | 
						|
 | 
						|
dnl As of 4.13a2, the collector will not properly work on Solaris when
 | 
						|
dnl built with gcc and -O.  So we remove -O in the appropriate case.
 | 
						|
case "$host" in
 | 
						|
 sparc-sun-solaris2*)
 | 
						|
    if test "$GCC" = yes; then
 | 
						|
       new_CFLAGS=
 | 
						|
       for i in $CFLAGS; do
 | 
						|
	  case "$i" in
 | 
						|
	   -O*)
 | 
						|
	      ;;
 | 
						|
	   *)
 | 
						|
	      new_CFLAGS="$new_CFLAGS $i"
 | 
						|
	      ;;
 | 
						|
	  esac
 | 
						|
       done
 | 
						|
       CFLAGS="$new_CFLAGS"
 | 
						|
    fi
 | 
						|
    ;;
 | 
						|
esac
 | 
						|
 | 
						|
dnl We need to override the top-level CFLAGS.  This is how we do it.
 | 
						|
MY_CFLAGS="$CFLAGS"
 | 
						|
AC_SUBST(MY_CFLAGS)
 | 
						|
 | 
						|
dnl Include defines that have become de facto standard.
 | 
						|
dnl ALL_INTERIOR_POINTERS can be overridden in startup code.
 | 
						|
AC_DEFINE(SILENT)
 | 
						|
AC_DEFINE(NO_SIGNALS)
 | 
						|
AC_DEFINE(NO_EXECUTE_PERMISSION)
 | 
						|
AC_DEFINE(ALL_INTERIOR_POINTERS)
 | 
						|
 | 
						|
dnl By default, make the library as general as possible.
 | 
						|
AC_DEFINE(JAVA_FINALIZATION)
 | 
						|
AC_DEFINE(GC_GCJ_SUPPORT)
 | 
						|
AC_DEFINE(ATOMIC_UNCOLLECTABLE)
 | 
						|
 | 
						|
dnl This is something of a hack.  When cross-compiling we turn off
 | 
						|
dnl some functionality.  We also enable the "small" configuration.
 | 
						|
dnl These is only correct when targetting an embedded system.  FIXME.
 | 
						|
if test -n "${with_cross_host}"; then
 | 
						|
   AC_DEFINE(NO_SIGSET)
 | 
						|
   AC_DEFINE(NO_CLOCK)
 | 
						|
   AC_DEFINE(SMALL_CONFIG)
 | 
						|
   AC_DEFINE(NO_DEBUGGING)
 | 
						|
fi
 | 
						|
 | 
						|
AC_ARG_ENABLE(full-debug,
 | 
						|
[  --enable-full-debug	include full support for pointer backtracing etc.],
 | 
						|
[ if test "$enable_full_debug" = "yes"; then
 | 
						|
    AC_MSG_WARN("Must define GC_DEBUG and use debug alloc. in clients.")
 | 
						|
    AC_DEFINE(KEEP_BACK_PTRS)
 | 
						|
    AC_DEFINE(DBG_HDRS_ALL)
 | 
						|
    case $host in
 | 
						|
      x86-*-linux* | i586-*-linux* | i686-*-linux* )
 | 
						|
	AC_MSG_WARN("Client must not use -fomit-frame-pointer.")
 | 
						|
	AC_DEFINE(SAVE_CALL_COUNT, 8)
 | 
						|
      ;;
 | 
						|
    esac ]
 | 
						|
  fi)
 | 
						|
 | 
						|
AM_CONDITIONAL(USE_LIBDIR, test -z "$with_cross_host")
 | 
						|
 | 
						|
if test "${multilib}" = "yes"; then
 | 
						|
  multilib_arg="--enable-multilib"
 | 
						|
else
 | 
						|
  multilib_arg=
 | 
						|
fi
 | 
						|
 | 
						|
AC_OUTPUT(Makefile,,
 | 
						|
srcdir=${srcdir}
 | 
						|
host=${host}
 | 
						|
target=${target}
 | 
						|
with_multisubdir=${with_multisubdir}
 | 
						|
ac_configure_args="${multilib_arg} ${ac_configure_args}"
 | 
						|
CONFIG_SHELL=${CONFIG_SHELL-/bin/sh}
 | 
						|
gc_basedir=${gc_basedir}
 | 
						|
CC="${CC}"
 | 
						|
DEFS="$DEFS"
 | 
						|
)
 |