Diff for /gforth/configure.in between versions 1.88 and 1.285

version 1.88, 2002/11/24 21:02:04 version 1.285, 2010/12/27 15:34:00
Line 1 Line 1
 dnl Process this file with autoconf to produce a configure script.  dnl Process this file with autoconf to produce a configure script.
   
 #Copyright (C) 1995,1996,1997,1998,2000 Free Software Foundation, Inc.  #Copyright (C) 1995,1996,1997,1998,2000,2003,2004,2005,2006,2007,2008,2009 Free Software Foundation, Inc.
   
 #This file is part of Gforth.  #This file is part of Gforth.
   
 #Gforth is free software; you can redistribute it and/or  #Gforth is free software; you can redistribute it and/or
 #modify it under the terms of the GNU General Public License  #modify it under the terms of the GNU General Public License
 #as published by the Free Software Foundation; either version 2  #as published by the Free Software Foundation, either version 3
 #of the License, or (at your option) any later version.  #of the License, or (at your option) any later version.
   
 #This program is distributed in the hope that it will be useful,  #This program is distributed in the hope that it will be useful,
Line 15  dnl Process this file with autoconf to p Line 15  dnl Process this file with autoconf to p
 #GNU General Public License for more details.  #GNU General Public License for more details.
   
 #You should have received a copy of the GNU General Public License  #You should have received a copy of the GNU General Public License
 #along with this program; if not, write to the Free Software  #along with this program. If not, see http://www.gnu.org/licenses/.
 #Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA.  
   
 AC_INIT(engine/engine.c)  
   
 dnl We use some automake macros here,  dnl We use some automake macros here,
 dnl but don't use automake for creating Makefile.in  dnl but don't use automake for creating Makefile.in
 AM_INIT_AUTOMAKE(gforth,0.5.9-20020901)  AC_INIT([gforth],[0.7.9-20101227],[https://savannah.gnu.org/bugs/?func=addbug&group=gforth])
   AC_PREREQ(2.54)
 #snapshots have numbers major.minor.release-YYYYMMDD  #snapshots have numbers major.minor.release-YYYYMMDD
 #note that lexicographic ordering bust be heeded.  #note that lexicographic ordering must be heeded.
 #I.e., 0.4.1-YYYYMMDD must not exist before 0.4.1!  #I.e., 0.4.1-YYYYMMDD must not exist before 0.4.1!
 UPDATED="1 September 2002"  UPDATED="December 27, 2010"
 AC_SUBST(UPDATED)  AC_SUBST(UPDATED)
 AM_CONFIG_HEADER(engine/config.h)  AC_CONFIG_HEADERS(engine/config.h)
 #AM_CYGWIN32  
   
 AC_ARG_ENABLE(force-reg,  #remnants from having ltdl as convenience library
 [  --enable-force-reg     Use explicit register declarations if they appear in  LTDLDEPS=""
                           the machine.h file. This can cause a good speedup,  LTDLINCL=""
                           but also incorrect code with some gcc versions on  LIBLTDL=""
                           some processors (default disabled).],  LTDL_LDLIBS=""
 AC_DEFINE(FORCE_REG))  AC_SUBST(LTDLDEPS)
   AC_SUBST(LTDLINCL)
   AC_SUBST(LIBLTDL)
   AC_SUBST(LTDL_LDLIBS)
   
   #suppress the "-g -O2" default
   test "$CFLAGS" || CFLAGS=-O2
   
   AC_ARG_ENABLE(force-cdiv,
           AC_HELP_STRING([--enable-force-cdiv],
                          [  Use the native C division - symmetric - instead of
                             floored division (default disabled).]),
           ,enable_force_cdiv=no)
   test "$enable_force_cdiv" = "no"||
     AC_DEFINE(FORCE_CDIV,,[Define if you want to use explicit symmetric division for better performance])
   
   AC_SUBST(PROFEXES)
   AC_SUBST(PROFOBJS)
   AC_ARG_ENABLE(prof,
           AC_HELP_STRING([--enable-prof],
                           [ Build gforth-prof, which outputs frequently occuring
                             sequences of primitives.]),
           ,enable_prof=no)
   if test "$enable_prof" != "no"; then
     PROFEXES='gforth-prof$(OPT)$(EXE)'; PROFOBJS='engine-prof$(OPT).o main-prof$(OPT).o profile$(OPT).o'
   fi
   
 AC_ARG_WITH(debug,  AC_ARG_WITH(debug,
 [  --with-debug     specifies option -g to compile with debug info (default)  [  --with-debug           specifies option -g to compile with debug info
   --without-debug  omits the -g switch and creates smaller images on    --without-debug         omits the -g switch and creates smaller images on
                    machines where "strip" has problems with gcc style                            machines where "strip" has problems with gcc style
                    debugging informations.],                            debugging informations.],
 if test "$withval" = "yes"; then DEBUGFLAG=-g; fi)  if test "$withval" = "yes"; then DEBUGFLAG=-g; fi)
   
 PEEPHOLE="yes"  GCC_LD="\$(GCC)"
 AC_ARG_WITH(peephole,  EC_MODE="false"
 [  --with-peephole      Enable peephole optimization (default)  NO_EC=""
   --without-peephole    disables peephole optimization. Creates smaller,  EC=""
                         but slower images.],  engine2='engine2$(OPT).o'
 PEEPHOLE="$withval")  engine_fast2='engine-fast2$(OPT).o'
   no_dynamic=""
   image_i=""
   signals_o="io.o signals.o"
   
   AC_CANONICAL_HOST
   AC_ARG_WITH(ec,
           AC_HELP_STRING([--with-ec=<arch>],
                           [  Build gforth for systems without OS.]),
   [if test "$withval" = "no"; then
     echo "defining hosted system"
   else
     echo "defining standalone system (${withval})"
     AC_DEFINE(STANDALONE,,[Define if you want a Gforth without OS])
     EC_MODE="true"
     EC="-ec"
     NO_EC="#"
     engine2=""
     engine_fast2=""
     no_dynamic="-DNO_DYNAMIC"
     image_i="image.i"
     if test "$withval" != "yes"; then
       signals_o="io-${withval}.o"
     else
       signals_o="io.o"
     fi
     if test -f "arch/$host_cpu/${withval}/config.sh"; then
       source "arch/$host_cpu/${withval}/config.sh"
     fi
     GCC_PATH=$(which $CC)
     LIB_PATH=${GCC_PATH%/*/*}
     GCC_LD="\$(LD)"
     platform=${withval}
   fi])
   
   #variables mentioned in INSTALL
   AC_ARG_VAR(CC, [The C compiler (must support GNU C 2.x).])
   AC_ARG_VAR(FORTHSIZES, [Gforth command line options for the default stack and dictionary sizes (see INSTALL).])
   AC_ARG_VAR(STACK_CACHE_REGS, [number of registers in the maximum stack cache state for gforth-fast and gforth-native (default platform-dependent).])
   AC_ARG_VAR(STACK_CACHE_DEFAULT_FAST, [number of registers in the default stack cache state for gforth-fast and gforth-native (default 1).])
   AC_ARG_VAR(GCC_PR15242_WORKAROUND, [Force the enabling (1) or disabling (0) of a workaround for a gcc-3.x performance bug (default unset: use workaround for gcc-3.x)])
   AC_ARG_VAR(LIBCC_BUILD_SRC, [(Additional) libcc interface source files that should be processed on building and installation (default none)])
   
   AC_ARG_VAR(ac_cv_sizeof_char_p, [sizeof(char *)])
   AC_ARG_VAR(ac_cv_sizeof_void_p, [sizeof(void *)])
   AC_ARG_VAR(ac_cv_sizeof_char, [sizeof(char)])
   AC_ARG_VAR(ac_cv_sizeof_short, [sizeof(short)])
   AC_ARG_VAR(ac_cv_sizeof_int, [sizeof(int)])
   AC_ARG_VAR(ac_cv_sizeof_long, [sizeof(long)])
   AC_ARG_VAR(ac_cv_sizeof_long_long, [sizeof(long long)])
   AC_ARG_VAR(ac_cv_sizeof_intptr_t, [sizeof(intptr_t)])
   AC_ARG_VAR(ac_cv_sizeof_int128_t, [sizeof(int128_t)])
   AC_ARG_VAR(ac_cv_sizeof_uint128_t, [sizeof(uint128_t)])
   AC_ARG_VAR(ac_cv_c_bigendian, [Is the target big-endian ("yes" or "no")?])
   AC_ARG_VAR(no_dynamic_default, [run gforth with --dynamic (0) or --no-dynamic (1) by default])
   AC_ARG_VAR(condbranch_opt, [enable (1) or disable (0) using two dispatches for conditional branches])
   AC_ARG_VAR(skipcode, [assembly code for skipping 16 bytes of code])
   AC_ARG_VAR(asmcomment, [assembler comment start string])
   AC_ARG_VAR(arm_cacheflush, [file containing ARM cacheflush function (without .c)])
   AC_ARG_VAR(LTDL_LIBRARY_PATH, [additional directories for libltdl (for some 64-bit platforms)])
   
   #set up feature test macros, so the tests get them right:
   # turn on all POSIX, SUSv3, and GNU features if available
   AC_GNU_SOURCE
   dnl AC_DEFINE_UNQUOTED([_GNU_SOURCE],1,[feature test macro])
   
   dnl Don't define _POSIX_SOURCE etc. because some OSs (in particular
   dnl MacOSX) disable some features then (MacOSX checks for _POSIX_SOURCE,
   dnl but not for _XOPEN_SOURCE)
   dnl AC_DEFINE_UNQUOTED([_POSIX_SOURCE],1,[feature test macro])
   dnl AC_DEFINE_UNQUOTED([_POSIX_C_SOURCE],199506L,[feature test macro])
   dnl AC_DEFINE_UNQUOTED([_XOPEN_SOURCE],600,[feature test macro])
   # turn on large file support with 64-bit off_t where available
   AC_SYS_LARGEFILE
   dnl AC_DEFINE_UNQUOTED([_LARGEFILE_SOURCE],1,[feature test macro])
   dnl AC_DEFINE_UNQUOTED([_FILE_OFFSET_BITS],64,[feature test macro])
   
 #currently we force direct threading this way.  Eventually we should  #currently we force direct threading this way.  Eventually we should
 #setup in the arch and engine files right  #setup in the arch and engine files right
   
 CFLAGS=$CFLAGS  
   
 AC_PROG_CC  AC_PROG_CC
   
 if test "$GCC" = "yes"  test "$GCC" = "yes" || AC_MSG_ERROR(Gforth uses GNU C extensions and requires GCC 2.0 or higher)
 then  
    echo "Fine, gcc is available"  AC_MSG_CHECKING([whether to use two dispatches per conditional branch])
   test x$condbranch_opt = x && 
   if ($CC -v 2>&1 |grep 'gcc version 3' >/dev/null); then
      condbranch_opt=0
 else  else
    cat <<'EOF'     condbranch_opt=1
 Gforth requires GCC-2.0 or higher (it uses GNU C extensions).  
 It does not work with other C compilers. Please install the GNU C compiler,  
 and try again (or search for a binary distribution for your platform).  
 EOF  
    exit 1  
 fi  fi
   AC_MSG_RESULT($condbranch_opt)
   AC_SUBST(condbranch_opt)
   
 AC_SUBST(CC)  AC_SUBST(CC)
   AC_SUBST(GCC_LD)
 AC_SUBST(DEBUGFLAG)  AC_SUBST(DEBUGFLAG)
   AC_SUBST(EC)
 dnl the following macro produces a warning with autoconf-2.1  AC_SUBST(NO_EC)
 AC_CHECK_SIZEOF(char *)  AC_SUBST(EC_MODE)
 case "$ac_cv_sizeof_char_p" in  AC_SUBST(engine2)
   2)  AC_SUBST(engine_fast2)
     wordsize=16  AC_SUBST(no_dynamic)
     ;;  AC_SUBST(image_i)
   4)  AC_SUBST(signals_o)
     wordsize=32  
     ;;  #this is used to disable some (not generally essential) part of the
   8)  #Makefile that some makes don't grok.  It would be better to test for
     wordsize=64  #this specific Makefile feature than the make version.
     ;;  AC_MSG_CHECKING(make type)
 esac  make_type=`make -n -v 2>&1|grep 'ake'|sed 's/ake .*/ake/'`
   GNUMAKE='#'
 AC_CHECK_SIZEOF(char)  test "$make_type" = "GNU Make" && GNUMAKE=''
 AC_CHECK_SIZEOF(short)  AC_MSG_RESULT($make_type)
 AC_CHECK_SIZEOF(int)  AC_SUBST(GNUMAKE)
 AC_CHECK_SIZEOF(long)  
 AC_CHECK_SIZEOF(long long)  
   
 ac_cv_int_type_cell=none  
 case "$ac_cv_sizeof_char_p" in  
   $ac_cv_sizeof_int)  
     ac_cv_int_type_cell=int  
     ;;  
   $ac_cv_sizeof_short)  
     ac_cv_int_type_cell=short  
     ;;  
   $ac_cv_sizeof_char)  
     ac_cv_int_type_cell=char  
     ;;  
   $ac_cv_sizeof_long)  
     ac_cv_int_type_cell=long  
     ;;  
   $ac_cv_sizeof_long_long)  
     ac_cv_int_type_cell="long long"  
     ;;  
 esac  
 if test "$ac_cv_int_type_cell" != int; then  
         echo "So, sizeof(pointer)!=sizeof(int); looks like a DOS C compiler to me."  
         echo "Since you don't have a proper C on this machine, that's one more reason"  
         echo "to use Forth;-)"  
 fi  
 AC_DEFINE_UNQUOTED(CELL_TYPE,$ac_cv_int_type_cell)  
   
 ac_cv_int_type_double_cell=none  
 case `expr 2 '*' "$ac_cv_sizeof_char_p"` in  
   $ac_cv_sizeof_short)  
     ac_cv_int_type_double_cell=short  
     ;;  
   $ac_cv_sizeof_int)  
     ac_cv_int_type_double_cell=int  
     ;;  
   $ac_cv_sizeof_long)  
     ac_cv_int_type_double_cell=long  
     ;;  
   $ac_cv_sizeof_long_long)  
     ac_cv_int_type_double_cell="long long"  
     ;;  
 esac  
 if test "$ac_cv_int_type_double_cell" = none; then  
         echo "Emulating double-cell arithmetic. This may be slow."  
         echo "If you find this unacceptable, ask the GCC maintainers to provide proper"  
         echo 'long longs for your machine (the GCC manual states that they \"are twice as'  
         echo "long as \`long int\'\")."  
         AC_LIBOBJ(dblsub)  
         AC_DEFINE(BUGGY_LONG_LONG)  
 else  
   AC_DEFINE_UNQUOTED(DOUBLE_CELL_TYPE,$ac_cv_int_type_double_cell)  
 fi  
   
 AC_MSG_CHECKING([whether the linker accepts -export-dynamic])  AC_MSG_CHECKING([whether the linker accepts -export-dynamic])
 OLDLDFLAGS=$LDFLAGS  OLDLDFLAGS=$LDFLAGS
Line 156  AC_MSG_RESULT($ac_export_dynamic) Line 200  AC_MSG_RESULT($ac_export_dynamic)
   
 #terminology is a bit unusual here: The host is the system on which  #terminology is a bit unusual here: The host is the system on which
 #gforth will run; the system on which configure will run is the `build'  #gforth will run; the system on which configure will run is the `build'
 AC_CANONICAL_HOST  
 case "$host_cpu" in  case "$host_cpu" in
           arm*)
                   machine=arm
                   CFLAGS="$CFLAGS -fomit-frame-pointer"
                   if test x$platform = xnxt; then
                      CFLAGS="$CFLAGS -mthumb -mthumb-interwork"
                   fi
                   if test -z $arm_cacheflush; then
                      case "$host_os" in
                        *linux*)
                           AC_LIBOBJ(../arch/arm/cacheflush-linux) 
                           ;;
                        *)   
                           no_dynamic_default=1
                           AC_LIBOBJ(../arch/arm/cacheflush0)
                           AC_MSG_WARN([No I-cache flush code known, disabling dynamic native code generation])
                           ;;
                      esac
                   else
                      AC_LIBOBJ(../$arm_cacheflush)
                      test $srcdir = . || AC_MSG_WARN([setting arm_cacheflush requires building in the source directory])
                   fi
                   #longer skipcodes lead to problems on ARM, and it uses
                   #only 4-byte alignment anyway
                   test "$skipcode" || skipcode="nop"
                   ;;
         hppa*)          hppa*)
                 machine=hppa                  machine=hppa
                 $srcdir/mkinstalldirs arch/hppa  
                 AC_LIBOBJ(../arch/hppa/cache)                  AC_LIBOBJ(../arch/hppa/cache)
                   #-N needed for --dynamic <M4U3b.3790$9d.317@news.cpqcorp.net>
                 LDFLAGS="$LDFLAGS -Xlinker -N"                  LDFLAGS="$LDFLAGS -Xlinker -N"
                 LIBS="$LIBS -L/lib/pa1.1/"                  LIBS="$LIBS -L/lib/pa1.1/"
                 ;;                  ;;
Line 170  case "$host_cpu" in Line 238  case "$host_cpu" in
                 ;;                  ;;
         i386)          i386)
                 machine=386                  machine=386
                 CFLAGS="$CFLAGS -fomit-frame-pointer -fforce-addr -fforce-mem"                  CFLAGS="$CFLAGS -fomit-frame-pointer -fforce-addr"
                 ;;                  ;;
         i486)          i486)
                 machine=386                  machine=386
                 CFLAGS="$CFLAGS -fomit-frame-pointer -fforce-addr -fforce-mem -m486"                  CFLAGS="$CFLAGS -fomit-frame-pointer -fforce-addr"
                   CFLAGS_1="$CFLAGS"
                   CFLAGS="$CFLAGS -march=i486"
                   AC_TRY_COMPILE(,,,CFLAGS="$CFLAGS_1 -m486")
                   AC_TRY_COMPILE(,,,CFLAGS="$CFLAGS_1")
                 ;;                  ;;
         i*86)          i*86)
                 machine=386                  machine=386
                 CFLAGS="$CFLAGS -fomit-frame-pointer -fforce-addr -fforce-mem"                  CFLAGS="$CFLAGS -fomit-frame-pointer -fforce-addr"
                 CFLAGS_1="$CFLAGS"                  CFLAGS_1="$CFLAGS"
                 CFLAGS="$CFLAGS -march=pentium"                  CFLAGS="$CFLAGS -march=pentium -mtune=generic"
                   AC_TRY_COMPILE(,,,CFLAGS="$CFLAGS_1 -march=pentium")
                 AC_TRY_COMPILE(,,,CFLAGS="$CFLAGS_1 -m486")                  AC_TRY_COMPILE(,,,CFLAGS="$CFLAGS_1 -m486")
                   AC_TRY_COMPILE(,,,CFLAGS="$CFLAGS_1")
                   ;;
           x86_64)
                   case $CC
                   in
                       *-m32*)
                           machine=386
                           CFLAGS="$CFLAGS -fomit-frame-pointer -fforce-addr"
                           CFLAGS_1="$CFLAGS"
                           CFLAGS="$CFLAGS -march=athlon64"
                           ;;
                       *)
                           machine=amd64
                           ;;
                   esac
                 ;;                  ;;
         ia64*)          ia64*)
                 machine=ia64                  machine=ia64
                   AC_LIBOBJ(../arch/ia64/flush_icache_block)
                   test "$skipcode" || skipcode="nop.i 0"
                   #".skip 16" passes the test below,
                   # but gives an assembler error in engine
                 ;;                  ;;
         m68k)          m68k)
                 machine=m68k                  machine=m68k
Line 196  case "$host_cpu" in Line 288  case "$host_cpu" in
                 ;;                  ;;
         mips*)          mips*)
                 machine=mips                  machine=mips
                 #link text and data segment into the same 256M region!                  AC_LIBOBJ(../arch/mips/check_prim) 
                 AC_MSG_CHECKING([whether the linker accepts -T])                  #dynamic native code has the following problems on MIPS:
                 OLDLDFLAGS=$LDFLAGS                  #
                 LDFLAGS="$LDFLAGS -Xlinker -T -Xlinker 10000000"                  #1) J/JAL seems relocatable, but is are only
                 AC_TRY_LINK(,,ac_link_mips_t=yes,ac_link_mips_t=no)                  #relocatable within a 256MB-segment.  While we try to
                 test $ac_link_mips_t = yes||LDFLAGS=$OLDLDFLAGS                  #get the linker to arrange this, there is no guarantee
                 AC_MSG_RESULT($ac_link_mips_t)                  #that this will succeed (and if the user uses a lot of
                 fixme #dynamically generated code should be in the same 256MB                  #memory, it is likely to fail).
                 # region as the text segment; no indirect threading necessary                  #
                 test $ac_link_mips_t = yes||(echo cannot link text and data into same 256M region, using indirect threading; AC_DEFINE(INDIRECT_THREADED))                  #2) The way we generate dynamic native code may
                 AC_MSG_CHECKING([whether the linker accepts -D])                  #violate MIPS architectural restrictions (in
                 OLDLDFLAGS=$LDFLAGS                  #particular, the delay slots of LW, MFLO, etc.)
                 LDFLAGS="$LDFLAGS -Xlinker -D -Xlinker 10400000"                  #
                 AC_TRY_LINK(,,ac_link_mips_d=yes,ac_link_mips_d=no)                  #Therefore we disable dynamic native code by default:
                 test $ac_link_mips_d = yes||LDFLAGS=$OLDLDFLAGS                  if test -z "$no_dynamic_default"; then
                 AC_MSG_RESULT($ac_link_mips_d)                      no_dynamic_default=1
                       AC_MSG_WARN([Disabling default dynamic native code generation (relocation and delay slot issues)])
                   fi
                 ;;                  ;;
         alpha*)          alpha*)
                 machine=alpha                  machine=alpha
Line 220  case "$host_cpu" in Line 314  case "$host_cpu" in
                 ;;                  ;;
         power*|rs6000)          power*|rs6000)
                 machine=power                  machine=power
                 $srcdir/mkinstalldirs arch/power                  AC_CHECK_FUNC(_sync_cache_range,[true],[AC_LIBOBJ(../arch/power/_sync_cache_range)])
                 AC_CHECK_FUNC(_sync_cache_range,true,AC_LIBOBJ(../arch/power/_sync_cache_range))                  #long long is broken on (at least) gcc-2.95.* for PPC
                   test x$ac_cv_sizeof_long_long = x && 
                   ($CC -v 2>&1 |grep 'gcc version 2.95' >/dev/null) &&
                        ac_cv_sizeof_long_long=0
                   #The only architecture with enough callee-saved registers
                   test x$STACK_CACHE_REGS = x && STACK_CACHE_REGS=3
                   #or use 2, hardly slower at run-time and starts up faster
   
                   #the skipcode that is normally selected below does not
                   #work with gcc-3.[34]
                   test "$skipcode" || skipcode="nop\nnop\nnop\nnop"
                 ;;                  ;;
         *)          *)
                 echo "Using a generic machine description."                  AC_MSG_WARN([Using a generic machine description])
                 echo "I'll assume that C floats and doubles are represented by IEEE single and"                  AC_MSG_WARN([Assuming C floats and doubles are IEEE floats and doubles (for SF@ DF@ SF! DF!)])
                 echo "double numbers. If this is not so, SF@ etc. will not work correctly."                  AC_MSG_WARN([FLUSH-ICACHE will do nothing, so END-CODE may not work properly!])
                 echo "FLUSH-ICACHE will do nothing, so END-CODE may not work properly!"  
                 machine=generic                  machine=generic
                   #I-cache flushing would be needed for dynamic code generation
                   if test -z $no_dynamic_default; then
                       no_dynamic_default=1
                       AC_MSG_WARN([No I-cache flush code known, disabling dynamic native code generation])
                   fi
 esac  esac
 AC_SUBST(host)  AC_SUBST(host)
   
   MAKEINC=""
   GFORTH_EXE="true"
   
   echo "Check for arch/$machine/$platform/gforth.ld ($EC_MODE)"
   if test x$EC_MODE = xtrue
   then
           echo "Check for arch/$machine/$platform/gforth.ld"
           if test -f arch/$machine/$platform/gforth.ld
           then
                   LDFLAGS="-T ../arch/$machine/$platform/gforth.ld -Map \$@.map -cref --gc-sections $LDFLAGS"
                   if test x$platform = xnxt; then
                           LIBS="$LIB_PATH/lib/gcc/arm-elf/$($CC --version | grep GCC | cut -d' ' -f3)/interwork/libgcc.a $LIB_PATH/arm-elf/lib/interwork/libc.a $LIBS"
                   fi
           fi
           if test -f arch/$machine/$platform/make.inc
           then
                   MAKEINC="include ../arch/$machine/$platform/make.inc"
                   GFORTH_EXE="\$(MAKE) -f arch/$machine/$platform/make.inc \$@.exe"
           fi
   fi
   AC_SUBST(MAKEINC)
   
   AC_ARG_VAR(STACK_CACHE_REGS, [number of registers in the maximum stack cache state for gforth-fast and gforth-native (default platform-dependent).])
   
   test x$STACK_CACHE_REGS = x && STACK_CACHE_REGS=1
   AC_DEFINE_UNQUOTED(STACK_CACHE_REGS, $STACK_CACHE_REGS,
                      [number of registers in the maximum stack cache state for gforth-fast and gforth-native])
   test x$STACK_CACHE_DEFAULT_FAST = x && STACK_CACHE_DEFAULT_FAST=1
   AC_DEFINE_UNQUOTED(STACK_CACHE_DEFAULT_FAST, $STACK_CACHE_DEFAULT_FAST,
                      [number of registers in the default stack cache state for gforth-fast and gforth-native])
   
   test x$GCC_PR15242_WORKAROUND = x ||
   AC_DEFINE_UNQUOTED(GCC_PR15242_WORKAROUND, $GCC_PR15242_WORKAROUND,
                      [force (1) or forbid (0) use of a workaround for a gcc performance bug])
   
   dnl the following macro produces a warning with autoconf-2.1
   AC_CHECK_SIZEOF(char *)
   case "$ac_cv_sizeof_char_p" in
     2)
       wordsize=16
       ;;
     4)
       wordsize=32
       ;;
     8)
       wordsize=64
       ;;
   esac
   
   AC_CHECK_SIZEOF(void *)
   case "$ac_cv_sizeof_void_p" in
     2)
       vwordsize=16
       ;;
     4)
       vwordsize=32
       ;;
     8)
       vwordsize=64
       ;;
   esac
   
   AC_CHECK_SIZEOF(char)
   AC_CHECK_SIZEOF(short)
   AC_CHECK_SIZEOF(int)
   AC_CHECK_SIZEOF(long)
   AC_CHECK_SIZEOF(long long)
   AC_CHECK_SIZEOF(intptr_t)
   AC_CHECK_SIZEOF(int128_t)
   AC_CHECK_SIZEOF(uint128_t)
   
   AC_MSG_CHECKING([for a C type for cells])
   ac_cv_int_type_cell=none
   case "$ac_cv_sizeof_char_p" in
     $ac_cv_sizeof_int)
       ac_cv_int_type_cell=int
       ;;
     $ac_cv_sizeof_short)
       ac_cv_int_type_cell=short
       ;;
     $ac_cv_sizeof_char)
       ac_cv_int_type_cell=char
       ;;
     $ac_cv_sizeof_long)
       ac_cv_int_type_cell=long
       ;;
     $ac_cv_sizeof_long_long)
       ac_cv_int_type_cell="long long"
       ;;
     $ac_cv_sizeof_intptr_t)
       ac_cv_int_type_cell="intptr_t"
       ;;
   esac
   AC_MSG_RESULT($ac_cv_int_type_cell)
   AC_DEFINE_UNQUOTED(CELL_TYPE,$ac_cv_int_type_cell,[an integer type that is as long as a pointer])
   
   AC_MSG_CHECKING([for a C type for wydes])
   ac_cv_wyde_type_cell=none
   case 2 in
     $ac_cv_sizeof_int)
       ac_cv_wyde_type_cell=int
       ;;
     $ac_cv_sizeof_short)
       ac_cv_wyde_type_cell=short
       ;;
     $ac_cv_sizeof_char)
       ac_cv_wyde_type_cell=char
       ;;
     $ac_cv_sizeof_long)
       ac_cv_wyde_type_cell=long
       ;;
     $ac_cv_sizeof_long_long)
       ac_cv_wyde_type_cell="long long"
       ;;
     $ac_cv_sizeof_intptr_t)
       ac_cv_wyde_type_cell="intptr_t"
       ;;
   esac
   AC_MSG_RESULT($ac_cv_wyde_type_cell)
   AC_DEFINE_UNQUOTED(WYDE_TYPE,$ac_cv_wyde_type_cell,[an integer type that is 2 bytes long])
   
   AC_MSG_CHECKING([for a C type for tetrabytes])
   ac_cv_tetrabyte_type_cell=none
   case 4 in
     $ac_cv_sizeof_int)
       ac_cv_tetrabyte_type_cell=int
       ;;
     $ac_cv_sizeof_short)
       ac_cv_tetrabyte_type_cell=short
       ;;
     $ac_cv_sizeof_char)
       ac_cv_tetrabyte_type_cell=char
       ;;
     $ac_cv_sizeof_long)
       ac_cv_tetrabyte_type_cell=long
       ;;
     $ac_cv_sizeof_long_long)
       ac_cv_tetrabyte_type_cell="long long"
       ;;
     $ac_cv_sizeof_intptr_t)
       ac_cv_tetrabyte_type_cell="intptr_t"
       ;;
   esac
   AC_MSG_RESULT($ac_cv_tetrabyte_type_cell)
   AC_DEFINE_UNQUOTED(TETRABYTE_TYPE,$ac_cv_tetrabyte_type_cell,[an integer type that is 4 bytes long])
   
   AC_MSG_CHECKING([for a C type for octabytes])
   ac_cv_octabyte_type_cell=none
   case 8 in
     $ac_cv_sizeof_int)
       ac_cv_octabyte_type_cell=int
       ;;
     $ac_cv_sizeof_short)
       ac_cv_octabyte_type_cell=short
       ;;
     $ac_cv_sizeof_char)
       ac_cv_octabyte_type_cell=char
       ;;
     $ac_cv_sizeof_long)
       ac_cv_octabyte_type_cell=long
       ;;
     $ac_cv_sizeof_long_long)
       ac_cv_octabyte_type_cell="long long"
       ;;
     $ac_cv_sizeof_intptr_t)
       ac_cv_octabyte_type_cell="intptr_t"
       ;;
   esac
   AC_MSG_RESULT($ac_cv_octabyte_type_cell)
   AC_DEFINE_UNQUOTED(OCTABYTE_TYPE,$ac_cv_octabyte_type_cell,[an integer type that is 8 bytes long])
   
   AC_MSG_CHECKING([for a C type for double-cells])
   ac_cv_int_type_double_cell=none
   case `expr 2 '*' "$ac_cv_sizeof_char_p"` in
     $ac_cv_sizeof_short)
       ac_cv_int_type_double_cell=short
       ;;
     $ac_cv_sizeof_int)
       ac_cv_int_type_double_cell=int
       ;;
     $ac_cv_sizeof_long)
       ac_cv_int_type_double_cell=long
       ;;
     $ac_cv_sizeof_long_long)
       ac_cv_int_type_double_cell="long long"
       ;;
     $ac_cv_sizeof_intptr_t)
       ac_cv_int_type_double_cell="intptr_t"
       ;;
     $ac_cv_sizeof_int128_t)
       ac_cv_int_type_double_cell="int128_t"
       ;;
   esac
   AC_MSG_RESULT($ac_cv_int_type_double_cell)
   
   AC_MSG_CHECKING([for a C type for unsigned double-cells])
   ac_cv_int_type_double_ucell=none
   case `expr 2 '*' "$ac_cv_sizeof_char_p"` in
     $ac_cv_sizeof_short)
       ac_cv_int_type_double_ucell="unsigned short"
       ;;
     $ac_cv_sizeof_int)
       ac_cv_int_type_double_ucell="unsigned int"
       ;;
     $ac_cv_sizeof_long)
       ac_cv_int_type_double_ucell="unsigned long"
       ;;
     $ac_cv_sizeof_long_long)
       ac_cv_int_type_double_ucell="unsigned long long"
       ;;
     $ac_cv_sizeof_intptr_t)
       ac_cv_int_type_double_ucell="unsigned intptr_t"
       ;;
     $ac_cv_sizeof_uint128_t)
       ac_cv_int_type_double_ucell="uint128_t"
       ;;
   esac
   AC_MSG_RESULT($ac_cv_int_type_double_ucell)
   
   if test "$ac_cv_int_type_double_cell" != none && \
      test "$ac_cv_int_type_double_ucell" != none
   then
           AC_DEFINE_UNQUOTED(DOUBLE_CELL_TYPE,$ac_cv_int_type_double_cell,[an integer type that is twice as long as a pointer])
           AC_DEFINE_UNQUOTED(DOUBLE_UCELL_TYPE,$ac_cv_int_type_double_ucell,[an unsigned integer type that is twice as long as a pointer])
           OPTS=-ll
   else
           if test "$ac_cv_sizeof_char_p" = 8; then
              OPTS="-ll -noll"
           else
              OPTS=-noll
           fi
   fi
   
   if grep FORCE_REG $srcdir/arch/$machine/machine.h >/dev/null; then
      OPTS2=''
      for i in $OPTS; do OPTS2="$OPTS2 $i-reg"; done
      OPTS="$OPTS2 $OPTS"
   else
     AC_DEFINE_UNQUOTED(FORCE_REG_UNNECESSARY,,[defined if the platform does not need FORCE_REG])
   fi
   AC_SUBST(OPTS)
   
   AC_TYPE_OFF_T
   AC_CHECK_SIZEOF(off_t)
   test $ac_cv_sizeof_off_t -gt $ac_cv_sizeof_char_p
   ac_small_off_t=$?
   AC_DEFINE_UNQUOTED(SMALL_OFF_T,$ac_small_off_t,[1 if off_t fits in a Cell])
   
   ENGINE_FLAGS=
 AC_SUBST(ENGINE_FLAGS)  AC_SUBST(ENGINE_FLAGS)
   
 # Try if GCC understands -fno-cross-jump  # Try if GCC understands -fno-gcse
   
   AC_MSG_CHECKING([if $CC understands -fno-gcse])
 CFLAGS_1="$CFLAGS"  CFLAGS_1="$CFLAGS"
 CFLAGS="$CFLAGS -fno-cross-jump"  CFLAGS="$CFLAGS -fno-gcse"
 AC_TRY_COMPILE(,,,CFLAGS="$CFLAGS_1")  AC_TRY_COMPILE(,,ac_nogcse=yes;ENGINE_FLAGS="$ENGINE_FLAGS -fno-gcse",ac_nogcse=no)
   CFLAGS="$CFLAGS_1"
   AC_MSG_RESULT($ac_nogcse)
   
   # Try if GCC understands -fno-strict-aliasing
   AC_MSG_CHECKING([if $CC understands -fno-strict-aliasing])
   CFLAGS_1="$CFLAGS"
   CFLAGS="$CFLAGS -fno-strict-aliasing"
   AC_TRY_COMPILE(,,ac_nostrictaliasing=yes;ENGINE_FLAGS="$ENGINE_FLAGS -fno-strict-aliasing",ac_nostrictaliasing=no)
   CFLAGS="$CFLAGS_1"
   AC_MSG_RESULT($ac_nostrictaliasing)
   
   # Try if GCC understands -fno-crossjumping
   AC_MSG_CHECKING([if $CC understands -fno-crossjumping])
   CFLAGS_1="$CFLAGS"
   CFLAGS="$CFLAGS -fno-crossjumping"
   AC_TRY_COMPILE(,,ac_nocrossjumping=yes;ENGINE_FLAGS="$ENGINE_FLAGS -fno-crossjumping",ac_nocrossjumping=no)
   CFLAGS="$CFLAGS_1"
   AC_MSG_RESULT($ac_nocrossjumping)
   
   # Try if GCC understands -fno-reorder-blocks
   AC_MSG_CHECKING([if $CC understands -fno-reorder-blocks])
   CFLAGS_1="$CFLAGS"
   CFLAGS="$CFLAGS -fno-reorder-blocks"
   AC_TRY_COMPILE(,,ac_noreorder_blocks=yes;ENGINE_FLAGS="$ENGINE_FLAGS -fno-reorder-blocks",ac_noreorder_blocks=no)
   CFLAGS="$CFLAGS_1"
   AC_MSG_RESULT($ac_noreorder_blocks)
   
   # Try if GCC understands -falign-labels=1
   AC_MSG_CHECKING([if $CC understands -falign-labels=1])
   CFLAGS_1="$CFLAGS"
   CFLAGS="$CFLAGS -falign-labels=1"
   AC_TRY_COMPILE(,,ac_align_labels=yes;ENGINE_FLAGS="$ENGINE_FLAGS -falign-labels=1",ac_align_labels=no)
   CFLAGS="$CFLAGS_1"
   AC_MSG_RESULT($ac_align_labels)
   
   # Try if GCC understands -falign-loops=1
   AC_MSG_CHECKING([if $CC understands -falign-loops=1])
   CFLAGS_1="$CFLAGS"
   CFLAGS="$CFLAGS -falign-loops=1"
   AC_TRY_COMPILE(,,ac_align_loops=yes;ENGINE_FLAGS="$ENGINE_FLAGS -falign-loops=1",ac_align_loops=no)
   CFLAGS="$CFLAGS_1"
   AC_MSG_RESULT($ac_align_loops)
   
   # Try if GCC understands -falign-jumps=1
   AC_MSG_CHECKING([if $CC understands -falign-jumps=1])
   CFLAGS_1="$CFLAGS"
   CFLAGS="$CFLAGS -falign-jumps=1"
   AC_TRY_COMPILE(,,ac_align_jumps=yes;ENGINE_FLAGS="$ENGINE_FLAGS -falign-jumps=1",ac_align_jumps=no)
   CFLAGS="$CFLAGS_1"
   AC_MSG_RESULT($ac_align_jumps)
   
   if test -z "$LIBTOOL_CC"
   then
     LIBTOOL_CC="$CC"
     # Try if GCC understands -Wimplicit-function-declaration
     AC_MSG_CHECKING([if $CC understands -Wimplicit-function-declaration])
     CFLAGS_1="$CFLAGS"
     CFLAGS="$CFLAGS -Wimplicit-function-declaration"
     AC_TRY_COMPILE(,,LIBTOOL_CC="$CC -Wimplicit-function-declaration",)
     CFLAGS="$CFLAGS_1"
     AC_MSG_RESULT($ac_align_jumps)
   fi
   AC_SUBST(LIBTOOL_CC)
   
   
   
   # Try if GCC understands __attribute__((unused))
   AC_MSG_CHECKING([how to suppress 'unused variable' warnings])
   AC_TRY_COMPILE(,[int __attribute__((unused)) foo;], MAYBE_UNUSED='__attribute__((unused))',)
   AC_DEFINE_UNQUOTED(MAYBE_UNUSED,$MAYBE_UNUSED,[attribute for possibly unused variables])
   AC_MSG_RESULT($MAYBE_UNUSED)
   
 AC_CHECK_PROG(asm_fs,asm.fs,arch/$machine/asm.fs,,$srcdir/arch/$machine)  #try if m4 understands -s
   AC_MSG_CHECKING([how to invoke m4])
   if m4 -s /dev/null >/dev/null 2>&1; then
    M4="m4 -s"
   else
    M4=m4
   fi
   AC_SUBST(M4)
   AC_MSG_RESULT($M4)
   
   # Find installed Gforth
   AC_MSG_CHECKING([for gforth])
   GFORTH="`cd / && which gforth 2>/dev/null`"
   #the "$srcdir" = "." test defends agains the "../" bug in gforth-0.6.2
   (cd / && $GFORTH -e bye >/dev/null 2>/dev/null  && test "$srcdir" = ".") || GFORTH=""
   if test -z "$GFORTH"; then
     PREFORTH='echo "You need to configure with a gforth in \$PATH to build this part" && false'
     kernel_anti_dependence=''
   else
     PREFORTH="$GFORTH -i `cd / && $GFORTH --debug -e bye 2>&1 |grep "Opened image file: "|sed 's/Opened image file: //'`" ;
     kernel_anti_dependence='$(kernel_fi)'
   fi
   AC_SUBST(PREFORTH)
   AC_SUBST(kernel_anti_dependence)
   AC_MSG_RESULT($PREFORTH)
   
   #echo "machine='$machine'"
   
   dnl AC_CHECK_PROG(asm_fs,asm.fs,arch/$machine/asm.fs,,$srcdir/arch/$machine)
   if test x$EC_MODE = xfalse
   then
     AS_IF([test -f $srcdir/arch/$machine/asm.fs],
           [asm_fs=arch/$machine/asm.fs])
   fi
 AC_SUBST(asm_fs)  AC_SUBST(asm_fs)
   
 AC_CHECK_PROG(disasm_fs,disasm.fs,arch/$machine/disasm.fs,,$srcdir/arch/$machine)  dnl AC_CHECK_PROG(disasm_fs,disasm.fs,arch/$machine/disasm.fs,,$srcdir/arch/$machine)
   if test x$EC_MODE = xfalse
   then
     AS_IF([test -f $srcdir/arch/$machine/disasm.fs],
           [disasm_fs=arch/$machine/disasm.fs])
   fi
 AC_SUBST(disasm_fs)  AC_SUBST(disasm_fs)
   
   AC_PATH_PROG(INSTALL_INFO,install-info,[echo '>>>>Please make info dir entry:'],$PATH:/sbin:/usr/sbin:/usr/local/sbin)
   
 case "$host_os" in  case "$host_os" in
         *win32)          *win32*)
                 EXE=".exe"                  # !!!FIXME!!! problems with cygwin and ';' as path separator
                 DIRSEP="\\"                  DIRSEP="\\\\"
                   PATHSEP=";"
                   #we want the builtins of command.com/cmd.exe and its
                   # handling of .com files.
                   #$COMSPEC contains the name of the Windows shell;
                   # the ./ is there, because the bash does not recognize
                   # absolute DOS filenames
                   DEFAULTSYSTEMPREFIX="./$COMSPEC /c "
                   ;;
           *darwin*)
                   #Darwin uses some funny preprocessor by default; eliminate it:
                   AC_MSG_NOTICE([using -no-cpp-precomp on Darwin])
                   CFLAGS="$CFLAGS -no-cpp-precomp"
                   DIRSEP="/"
                   PATHSEP=":"
                   DEFAULTSYSTEMPREFIX=""
                   #the following magic value was suggested by
                   #http://mail.python.org/pipermail/pythonmac-sig/2005-October/015190.html
                   AC_DEFINE_UNQUOTED(MACOSX_DEPLOYMENT_TARGET,"10.3",[an environment variable value needed by libtool on some MacOS X versions])
                   ;;
           *linux*)
                   DIRSEP="/"
                   PATHSEP=":"
                   DEFAULTSYSTEMPREFIX=""
                   if test -z "$LTDL_LIBRARY_PATH" -a "$wordsize" = 64; then
                      LTDL_LIBRARY_PATH=`/sbin/ldconfig -p |tail -n +2 |sed 's/^.* => //'|sed 's|/[[^/]]*$||'| grep 64 | sort -u | tr '\n' : | sed -e 's/:$//'`
                   fi
                 ;;                  ;;
         *)          *)
                 EXE=""  
                 DIRSEP="/"                  DIRSEP="/"
                   PATHSEP=":"
                   DEFAULTSYSTEMPREFIX=""
                 ;;                  ;;
 esac  esac
 AC_SUBST(EXE)  
 AC_SUBST(DIRSEP)  AC_SUBST(DIRSEP)
 AC_DEFINE_UNQUOTED(DIRSEP,'$DIRSEP')  AC_DEFINE_UNQUOTED(DIRSEP,'$DIRSEP',[a directory separator character])
   AC_SUBST(PATHSEP)
   AC_DEFINE_UNQUOTED(PATHSEP,'$PATHSEP',[a path separator character])
   AC_SUBST(DEFAULTSYSTEMPREFIX)
   AC_DEFINE_UNQUOTED(DEFAULTSYSTEMPREFIX,"$DEFAULTSYSTEMPREFIX",[default for environment variable GFORTHSYSTEMPREFIX])
   if test -n "$LTDL_LIBRARY_PATH"; then
      AC_DEFINE_UNQUOTED(LTDL_LIBRARY_PATH,"$LTDL_LIBRARY_PATH",[Define LTDL_LIBRARY_PATH for 64 bit Linux])
   fi                                                                
   
   #work around SELinux brain damage (from Andrew Haley <12t8f3jakb74g2c@news.supernews.com>)
   #This magic incantation  seems to be completely undocumented.
   AC_CHECK_PROG([MASSAGE_EXE],[chcon],[chcon -t unconfined_execmem_exec_t],[true])
   
 dnl Now a little support for DOS/DJGCC  dnl Now a little support for DOS/DJGCC
   GFORTHFAST_EXE="$GFORTH_EXE"
   GFORTHITC_EXE="$GFORTH_EXE"
   GFORTHDITC_EXE="$GFORTH_EXE"
 AC_SUBST(GFORTH_EXE)  AC_SUBST(GFORTH_EXE)
 GFORTH_EXE=""  
 AC_SUBST(GFORTHFAST_EXE)  AC_SUBST(GFORTHFAST_EXE)
 GFORTHFAST_EXE=""  
 AC_SUBST(GFORTHITC_EXE)  AC_SUBST(GFORTHITC_EXE)
 GFORTHITC_EXE=""  
 AC_SUBST(GFORTHDITC_EXE)  AC_SUBST(GFORTHDITC_EXE)
 GFORTHDITC_EXE=""  
   
 PATHSEP=":"  
 AC_SUBST(PATHSEP)  
 AC_DEFINE_UNQUOTED(PATHSEP,'$PATHSEP')  
   
 AC_SUBST(FORTHSIZES)  AC_SUBST(FORTHSIZES)
   
 if test "$PEEPHOLE" = "yes"  dnl if test "$PEEPHOLE" = "yes"
 then  dnl then
    PEEPHOLEFLAG="true"  dnl    PEEPHOLEFLAG="true"
    AC_DEFINE(HAS_PEEPHOLE)  dnl    AC_DEFINE(HAS_PEEPHOLE,,[Define if you want to use peephole optimization])
 else  dnl else
    PEEPHOLEFLAG="false"  dnl    PEEPHOLEFLAG="false"
 fi  dnl fi
   PEEPHOLEFLAG="true"
 AC_SUBST(PEEPHOLEFLAG)  AC_SUBST(PEEPHOLEFLAG)
   
 dnl copy commands for systems that don't have links  dnl copy commands for systems that don't have links
Line 299  dnl the following macro produces a warni Line 802  dnl the following macro produces a warni
 AC_C_BIGENDIAN  AC_C_BIGENDIAN
 AC_SUBST(KERNEL)  AC_SUBST(KERNEL)
 dnl ac_cv_c_bigendian is an undocumented variable of autoconf-2.1  dnl ac_cv_c_bigendian is an undocumented variable of autoconf-2.1
 if test $ac_cv_c_bigendian = yes; then  if test $ac_cv_c_bigendian != no; then
   bytesex=b    bytesex=b
   KERNEL="kernl16b.fi kernl16l.fi kernl32b.fi kernl32l.fi kernl64b.fi kernl64l.fi"    KERNEL="kernl16b.fi kernl16l.fi kernl32b.fi kernl32l.fi kernl64b.fi kernl64l.fi"
 else  else
Line 307  else Line 810  else
   KERNEL="kernl16l.fi kernl16b.fi kernl32l.fi kernl32b.fi kernl64l.fi kernl64b.fi"    KERNEL="kernl16l.fi kernl16b.fi kernl32l.fi kernl32b.fi kernl64l.fi kernl64b.fi"
 fi  fi
   
   #check how to do asm(".skip 16")
   #echo "CFLAGS=$CFLAGS"
   #echo "ac_link=$ac_link"
   AC_MSG_CHECKING([if and how we can waste code space])
   if test -z "$skipcode" && test x$cross_compiling = xyes; then
      # we cannot perform the AC_TRY_RUN check when cross-compiling.  
      skipcode=no
      AC_MSG_RESULT([$skipcode, can't run checks since cross-compiling])
   elif test -z "$skipcode"; then
       skipcode=no
       CFLAGS_1="$CFLAGS"
       CFLAGS="$CFLAGS $ENGINE_FLAGS"
       for i in ".skip 16" ".block 16" ".org .+16" ".=.+16" ".space 16"
       do
           AC_TRY_RUN(
   [int foo(int,int,int);
   main()
   {
     exit(foo(0,0,0)!=16);
   }
   int foo(int x, int y, int z)
   {
     static void *labels[]={&&label1, &&label2};
     if (x) {
       y++; /* workaround for http://gcc.gnu.org/bugzilla/show_bug.cgi?id=12108 */
     label1:
       asm("$i"); /* or ".space 16" or somesuch */
     label2: ;
     }
     {
     if (y) goto *labels[z]; /* workaround for gcc PR12108 */
     return labels[1]-labels[0];
     }
   }]
           ,skipcode=$i; break
           ,,)
       done
       CFLAGS=$CFLAGS_1
   fi
   AC_MSG_RESULT($skipcode)
   if test "$skipcode" = no
   then 
       if test -z $no_dynamic_default; then
           no_dynamic_default=1
           AC_MSG_WARN(Disabling default dynamic native code generation)
       fi
       AC_DEFINE_UNQUOTED(SKIP16,asm(""),statement for skipping 16 bytes)
   else
       AC_DEFINE_UNQUOTED(SKIP16,asm("$skipcode"),statement for skipping 16 bytes)
   fi
   
   AC_MSG_CHECKING([if and how we can do comments in asm statements])
   #the point here is to get asm statements that look different to
   #gcc's "optimizer"
   if test -z "$asmcomment"; then
       asmcomment=no
       CFLAGS_1="$CFLAGS"
       CFLAGS="$CFLAGS $ENGINE_FLAGS"
       for i in '"# "' '"! "' '"; "'; do
           AC_TRY_COMPILE(,[asm($i"fluffystunk");],asmcomment=$i; break,)
       done
       CFLAGS=$CFLAGS_1
   fi
   AC_MSG_RESULT($asmcomment)
   if test "$asmcomment" != no
   then 
       AC_DEFINE_UNQUOTED(ASMCOMMENT,$asmcomment,[assembler comment start string])
   fi
   
   test "$no_dynamic_default" || no_dynamic_default=0
   AC_DEFINE_UNQUOTED(NO_DYNAMIC_DEFAULT,$no_dynamic_default,default value for no_dynamic)
   
 dnl Checks for programs.  dnl Checks for programs.
 AC_PROG_LN_S  AC_PROG_LN_S
 dnl AM_PROG_INSTALL #performed by AM_INIT_AUTOMAKE  AC_PROG_INSTALL
   AC_CHECK_PROGS(TEXI2DVI,texi2dvi4a2ps texi2dvi)
   
   dnl MacOS X has a libtool that does something else
   AC_CHECK_PROGS(GNU_LIBTOOL,"glibtool --tag=CC" libtool)
   
 dnl Checks for library functions  dnl Checks for library functions
 dnl This check is just for making later checks link with libm.  dnl This check is just for making later checks link with libm.
 dnl using sin here is no good idea since it is built-into gcc and typechecked  dnl using sin here is no good idea since it is built-into gcc and typechecked
 AC_CHECK_LIB(m,asin)  AC_CHECK_LIB(m,asin)
 AC_CHECK_LIB(dl,dlopen)  AC_CHECK_LIB(ltdl,lt_dlinit)
   
   if test -n "$GNU_LIBTOOL" -a $ac_cv_lib_ltdl_lt_dlinit = yes; then
     build_libcc_named=build-libcc-named
   else
     build_libcc_named=""
     AC_MSG_WARN([No GNU_LIBTOOL found, skip pre-building libcc-based libraries])
   fi
   AC_SUBST(build_libcc_named)
   
   
   if test -z "$GNU_LIBTOOL"; then
     AC_MSG_WARN([No GNU_LIBTOOL found, using "libtool" as name.])
     AC_MSG_WARN([libcc.fs won't work until you have installed (GNU) libtool.])
     GNU_LIBTOOL=libtool
   fi
   
   #check for libffi 2.x
   AC_CHECK_HEADER(ffi.h,FFI_H_NAME=ffi.h,)
   if test -z "$FFI_H_NAME"; then
     AC_CHECK_HEADER(ffi/ffi.h,FFI_H_NAME=ffi/ffi.h,)
   fi
   AC_SUBST(FFI_H_NAME)
   AC_CHECK_LIB(ffi,ffi_call)
   if test -n "$FFI_H_NAME" -a $ac_cv_lib_ffi_ffi_call = yes
   then
     LIBFFIFLAG="true"
     LIBCC_BUILD_SRC="$LIBCC_BUILD_SRC libffi.fs"
   else
     LIBFFIFLAG="false"
   fi
   #check for ffcall libraries
   #unfortunately, these four calls are separated out into a library each.
   AC_CHECK_LIB(avcall,__builtin_avcall)
   dnl AC_CHECK_LIB(callback,__vacall_r)
   dnl AC_CHECK_LIB(vacall,vacall)
   dnl AC_CHECK_LIB(trampoline,alloc_trampoline)
   if test $ac_cv_lib_avcall___builtin_avcall = yes; then
     FFCALLFLAG="true"
     LIBCC_BUILD_SRC="$LIBCC_BUILD_SRC fflib.fs"
   else
     FFCALLFLAG="false"
   fi
   if test $LIBFFIFLAG = false -a $FFCALLFLAG = false; then
     AC_MSG_WARN([The (old) lib.fs foreign function interface needs either libffi or the ffcall libraries])
   fi
   AC_SUBST(LIBFFIFLAG)
   AC_SUBST(FFCALLFLAG)
   AC_SUBST(LIBCC_BUILD_SRC)
 if test "$host_os" != "nextstep3"  if test "$host_os" != "nextstep3"
 then  then
         AC_FUNC_MEMCMP          AC_FUNC_MEMCMP
 fi  fi
 AC_REPLACE_FUNCS(memmove strtoul pow10 strerror strsignal atanh)  AC_REPLACE_FUNCS(memmove strtoul pow10 strerror strsignal atanh)
 AC_CHECK_FUNCS(dlopen sys_siglist getrusage)  AC_FUNC_FSEEKO
   AC_CHECK_FUNCS(ftello dlopen sys_siglist getrusage nanosleep)
   AC_CHECK_TYPES(stack_t,,,[#include <signal.h>])
 AC_DECL_SYS_SIGLIST  AC_DECL_SYS_SIGLIST
 AC_CHECK_FUNC(getopt_long,true,AC_LIBOBJ(getopt.$ac_objext getopt1))  AC_CHECK_FUNC(getopt_long,[true],[AC_LIBOBJ(getopt) AC_LIBOBJ(getopt1)])
 AC_CHECK_FUNCS(rint expm1 log1p)  AC_CHECK_FUNCS(expm1 log1p)
 AC_REPLACE_FUNCS(ecvt)  AC_REPLACE_FUNCS(rint ecvt)
 dnl No check for select, because our replacement is no good under  dnl No check for select, because our replacement is no good under
 dnl anything but DOS  dnl anything but DOS
 AC_CHECK_HEADERS(sys/mman.h fnmatch.h)  AC_CHECK_HEADERS(sys/mman.h fnmatch.h alloca.h wchar.h endian.h)
 AC_FUNC_FNMATCH  AC_FUNC_FNMATCH
 test $ac_cv_func_fnmatch_works = yes || AC_LIBOBJ(fnmatch)  test $ac_cv_func_fnmatch_works = yes || AC_LIBOBJ(fnmatch)
 AC_CHECK_FUNCS(mmap sysconf getpagesize)  AC_CHECK_FUNCS(mmap sysconf getpagesize wcwidth)
 AM_PATH_LISPDIR  AM_PATH_LISPDIR
   
 kernel_fi=kernl${wordsize}${bytesex}.fi  kernel_fi=kernl${vwordsize}${bytesex}.fi
   include_fi=kernl${wordsize}${bytesex}${EC}.fi
 AC_SUBST(kernel_fi)  AC_SUBST(kernel_fi)
   AC_SUBST(include_fi)
   
 #this breaks bindists  #this breaks bindists
 #dnl replace srource directory by absolute value  #dnl replace srource directory by absolute value
Line 343  AC_SUBST(kernel_fi) Line 974  AC_SUBST(kernel_fi)
 #fi  #fi
   
 AC_SUBST(machine)  AC_SUBST(machine)
 dnl AC_LINK_FILES(arch/$machine,arch/machine) #no longer needed  AC_CONFIG_FILES([
 AC_OUTPUT([  
 Makefile  Makefile
 Makedist  Makedist
 gforthmi  gforthmi
 vmgen  vmgen
 machpc.fs  machpc.fs
   envos.fs
   preforth
 engine/Makefile  engine/Makefile
 doc/version.texi ],  engine/libcc.h
 echo timestamp > stamp-h  doc/version.texi
   build-ec ])
   AC_CONFIG_COMMANDS([stamp-h],[[echo timestamp > stamp-h
 chmod +x gforthmi  chmod +x gforthmi
 chmod +x vmgen  chmod +x vmgen
 test -d kernel||mkdir kernel)  chmod +x build-ec
   chmod +x preforth
   test -d kernel||mkdir kernel
   if test $srcdir != "."; then ln -sf $srcdir/gforth.el .; fi
   $srcdir/mkinstalldirs include/gforth/$PACKAGE_VERSION
   $srcdir/mkinstalldirs arch/$machine
   ln -sf ../../../engine/config.h ../../../engine/libcc.h include/gforth/$PACKAGE_VERSION]],
   [PACKAGE_VERSION=$PACKAGE_VERSION
    machine=$machine])
   AC_OUTPUT

Removed from v.1.88  
changed lines
  Added in v.1.285


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