Diff for /gforth/configure.in between versions 1.88 and 1.135

version 1.88, 2002/11/24 21:02:04 version 1.135, 2003/09/08 13:03:06
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 Free Software Foundation, Inc.
   
 #This file is part of Gforth.  #This file is part of Gforth.
   
Line 18  dnl Process this file with autoconf to p Line 18  dnl Process this file with autoconf to p
 #along with this program; if not, write to the Free Software  #along with this program; if not, write to the Free Software
 #Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA.  #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],[0.6.2],[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="August 25, 2003"
 AC_SUBST(UPDATED)  AC_SUBST(UPDATED)
 AM_CONFIG_HEADER(engine/config.h)  AC_CONFIG_HEADERS(engine/config.h)
 #AM_CYGWIN32  
   #suppress the "-g -O2" default
   test "$CFLAGS" || CFLAGS=-O2
   
   #default setting that may be changed later:
   test "$no_dynamic_default" || no_dynamic_default=0
   
 AC_ARG_ENABLE(force-reg,  AC_ARG_ENABLE(force-reg,
 [  --enable-force-reg     Use explicit register declarations if they appear in  [  --enable-force-reg     Use explicit register declarations if they appear in
                           the machine.h file. This can cause a good speedup,                            the machine.h file. This can cause a good speedup,
                           but also incorrect code with some gcc versions on                            but also incorrect code with some gcc versions on
                           some processors (default disabled).],                            some processors (default disabled).],
 AC_DEFINE(FORCE_REG))  AC_DEFINE(FORCE_REG,,[Define if you want to use explicit register declarations for better performance or for more convenient CODE words (does not work with all GCC versions on all machines)]))
   AC_SUBST(PROFEXES)
   AC_SUBST(PROFOBJS)
   AC_ARG_ENABLE(prof,
   [  --enable-prof          Build gforth-prof, which outputs frequently occuring
                             sequences of primitives.],
   PROFEXES="gforth-prof\$(EXE)"; PROFOBJS="engine-prof.o main-prof.o profile.o")
   
 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"  dnl PEEPHOLE="yes"
 AC_ARG_WITH(peephole,  dnl AC_ARG_WITH(peephole,
 [  --with-peephole      Enable peephole optimization (default)  dnl [  --with-peephole  Enable peephole optimization (default)
   --without-peephole    disables peephole optimization. Creates smaller,  dnl   --without-peephole        disables peephole optimization. Creates smaller,
                         but slower images.],  dnl                     but slower images.],
 PEEPHOLE="$withval")  dnl PEEPHOLE="$withval")
   
   #variables mentioned in INSTALL
   AC_ARG_VAR(CC, [The C compiler (must support GNU C 2.x); gcc-2.95 recommended.])
   AC_ARG_VAR(FORTHSIZES, [Gforth command line options for the default stack and dictionary sizes (see INSTALL).])
   AC_ARG_VAR(ac_cv_sizeof_char_p, [sizeof(char *)])
   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_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])
   
   #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"  
 else  
    cat <<'EOF'  
 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  
   
 AC_SUBST(CC)  AC_SUBST(CC)
 AC_SUBST(DEBUGFLAG)  AC_SUBST(DEBUGFLAG)
   
 dnl the following macro produces a warning with autoconf-2.1  AC_MSG_CHECKING(make type)
 AC_CHECK_SIZEOF(char *)  make_type=`make -v 2>&1|grep 'ake version'|sed 's/ version .*//'`
 case "$ac_cv_sizeof_char_p" in  
   2)  
     wordsize=16  
     ;;  
   4)  
     wordsize=32  
     ;;  
   8)  
     wordsize=64  
     ;;  
 esac  
   
 AC_CHECK_SIZEOF(char)  GNUMAKE='#'
 AC_CHECK_SIZEOF(short)  test "$make_type" = "GNU Make" && GNUMAKE=''
 AC_CHECK_SIZEOF(int)  
 AC_CHECK_SIZEOF(long)  
 AC_CHECK_SIZEOF(long long)  
   
 ac_cv_int_type_cell=none  AC_MSG_RESULT($make_type)
 case "$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  AC_SUBST(GNUMAKE)
 case `expr 2 '*' "$ac_cv_sizeof_char_p"` in  
   $ac_cv_sizeof_short)  dnl gcc-3.2 seems to work fine now
     ac_cv_int_type_double_cell=short  dnl AC_MSG_CHECKING(gcc version)
     ;;  dnl gcc_version=`$CC -v 2>&1|grep 'gcc version'|sed 's/.*gcc version //'`
   $ac_cv_sizeof_int)  dnl AC_MSG_RESULT($gcc_version)
     ac_cv_int_type_double_cell=int  dnl if expr "$gcc_version" \> 3.0.4 >/dev/null && expr "$gcc_version" \< 3.2.1 >/dev/null
     ;;  dnl then
   $ac_cv_sizeof_long)  dnl    no_dynamic_default=1
     ac_cv_int_type_double_cell=long  dnl    AC_MSG_WARN(Disabling dynamic native code generation by default (speed penalty factor ~2))
     ;;  dnl fi
   $ac_cv_sizeof_long_long)  
     ac_cv_int_type_double_cell="long long"  
     ;;  
 esac  
 if test "$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 162  case "$host_cpu" in Line 140  case "$host_cpu" in
                 machine=hppa                  machine=hppa
                 $srcdir/mkinstalldirs arch/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="$LIBS -L/lib/pa1.1/"
                 ;;                  ;;
Line 183  case "$host_cpu" in Line 162  case "$host_cpu" in
                 CFLAGS="$CFLAGS -march=pentium"                  CFLAGS="$CFLAGS -march=pentium"
                 AC_TRY_COMPILE(,,,CFLAGS="$CFLAGS_1 -m486")                  AC_TRY_COMPILE(,,,CFLAGS="$CFLAGS_1 -m486")
                 ;;                  ;;
         ia64*)          x86_64)
                 machine=ia64                  machine=amd64
                 ;;                  ;;
   #generic should work for IA64
   #       ia64*)
   #               machine=ia64
   #               ;;
         m68k)          m68k)
                 machine=m68k                  machine=m68k
                 CFLAGS="$CFLAGS -fomit-frame-pointer"                  CFLAGS="$CFLAGS -fomit-frame-pointer"
Line 196  case "$host_cpu" in Line 179  case "$host_cpu" in
                 ;;                  ;;
         mips*)          mips*)
                 machine=mips                  machine=mips
                 #link text and data segment into the same 256M region!                  #dynamic native code has the following problems on MIPS:
                 AC_MSG_CHECKING([whether the linker accepts -T])                  #
                 OLDLDFLAGS=$LDFLAGS                  #1) J/JAL seems relocatable, but is are only
                 LDFLAGS="$LDFLAGS -Xlinker -T -Xlinker 10000000"                  #relocatable within a 256MB-segment.  While we try to
                 AC_TRY_LINK(,,ac_link_mips_t=yes,ac_link_mips_t=no)                  #get the linker to arrange this, there is no guarantee
                 test $ac_link_mips_t = yes||LDFLAGS=$OLDLDFLAGS                  #that this will succeed (and if the user uses a lot of
                 AC_MSG_RESULT($ac_link_mips_t)                  #memory, it is likely to fail).
                 fixme #dynamically generated code should be in the same 256MB                  #
                 # region as the text segment; no indirect threading necessary                  #2) The way we generate dynamic native code may
                 test $ac_link_mips_t = yes||(echo cannot link text and data into same 256M region, using indirect threading; AC_DEFINE(INDIRECT_THREADED))                  #violate MIPS architectural restrictions (in
                 AC_MSG_CHECKING([whether the linker accepts -D])                  #particular, the delay slots of LW, MFLO, etc.)
                 OLDLDFLAGS=$LDFLAGS                  #
                 LDFLAGS="$LDFLAGS -Xlinker -D -Xlinker 10400000"                  #Therefore we disable dynamic native code by default:
                 AC_TRY_LINK(,,ac_link_mips_d=yes,ac_link_mips_d=no)                  no_dynamic_default=1
                 test $ac_link_mips_d = yes||LDFLAGS=$OLDLDFLAGS                  AC_MSG_WARN(Disabling dynamic native code generation by default (speed penalty factor ~2))
                 AC_MSG_RESULT($ac_link_mips_d)  
                 ;;                  ;;
         alpha*)          alpha*)
                 machine=alpha                  machine=alpha
Line 222  case "$host_cpu" in Line 204  case "$host_cpu" in
                 machine=power                  machine=power
                 $srcdir/mkinstalldirs arch/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 && ac_cv_sizeof_long_long=0
                 ;;                  ;;
         *)          *)
                 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
                   no_dynamic_default=1
                   AC_MSG_WARN(Disabling dynamic native code generation by default (speed penalty factor ~2))
 esac  esac
 AC_SUBST(host)  AC_SUBST(host)
   
   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(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_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"
       ;;
     $ac_cv_sizeof_int128_t)
       ac_cv_int_type_cell="int128_t"
       ;;
   esac
   AC_MSG_RESULT($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 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)
   if test "$ac_cv_int_type_double_cell" = none; then
           AC_MSG_WARN([Emulating double-cell arithmetic. This may be slow.])
           AC_LIBOBJ(dblsub)
           AC_DEFINE(BUGGY_LONG_LONG,,[define this if there is no working DOUBLE_CELL_TYPE on your machine])
   else
           AC_DEFINE_UNQUOTED(DOUBLE_CELL_TYPE,$ac_cv_int_type_double_cell,[an integer type that is twice as long as a pointer])
   fi
   
   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="$CFLAGS -fno-gcse"
   AC_TRY_COMPILE(,,ac_nogcse=yes;ENGINE_FLAGS="$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_1="$CFLAGS"
 CFLAGS="$CFLAGS -fno-cross-jump"  CFLAGS="$CFLAGS -fno-crossjumping"
 AC_TRY_COMPILE(,,,CFLAGS="$CFLAGS_1")  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 __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/$machine)  AC_CHECK_PROG(asm_fs,asm.fs,arch/$machine/asm.fs,,$srcdir/arch/$machine)
 AC_SUBST(asm_fs)  AC_SUBST(asm_fs)
Line 245  AC_SUBST(asm_fs) Line 345  AC_SUBST(asm_fs)
 AC_CHECK_PROG(disasm_fs,disasm.fs,arch/$machine/disasm.fs,,$srcdir/arch/$machine)  AC_CHECK_PROG(disasm_fs,disasm.fs,arch/$machine/disasm.fs,,$srcdir/arch/$machine)
 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|cygwin)
                 EXE=".exe"                  DIRSEP="\\\\"
                 DIRSEP="\\"                  PATHSEP=";"
                   ;;
           *darwin*)
                   #Darwin uses some funny preprocessor by default; eliminate it:
                   AC_MSG_NOTICE([using -no-cpp-precomp on Darwin])
                   CFLAGS="$CFLAGS -no-cpp-precomp"
                   DIRSEP="/"
                   PATHSEP=":"
                 ;;                  ;;
         *)          *)
                 EXE=""  
                 DIRSEP="/"                  DIRSEP="/"
                   PATHSEP=":"
                 ;;                  ;;
 esac  esac
 AC_SUBST(EXE)  
 AC_SUBST(DIRSEP)  AC_SUBST(DIRSEP)
 AC_DEFINE_UNQUOTED(DIRSEP,'$DIRSEP')  AC_DEFINE_UNQUOTED(DIRSEP,'$DIRSEP',[a directory separator character])
   AC_SUBST(PATHSEP)
   AC_DEFINE_UNQUOTED(PATHSEP,'$PATHSEP',[a path separator character])
   
   
 dnl Now a little support for DOS/DJGCC  dnl Now a little support for DOS/DJGCC
 AC_SUBST(GFORTH_EXE)  AC_SUBST(GFORTH_EXE)
Line 269  GFORTHITC_EXE="" Line 380  GFORTHITC_EXE=""
 AC_SUBST(GFORTHDITC_EXE)  AC_SUBST(GFORTHDITC_EXE)
 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 307  else Line 415  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")
   AC_MSG_CHECKING([if and how we can waste code space])
   skipcode=no
   for i in ".skip 16" ".block 16" ".org .+16" ".=.+16" ".space 16"
   do
           AC_TRY_RUN(
   int foo(int);
   main()
   {
     exit(foo(0)!=16);
   }
   int foo(int x)
   {
     if (x) {
     label1:
       asm("$i");
     label2:
     }
     return (&&label2)-(&&label1);
   }
           ,skipcode=$i; break
           ,,)
   done    
   AC_MSG_RESULT($skipcode)
   if test "$skipcode" = no
   then 
       no_dynamic_default=1
       AC_DEFINE_UNQUOTED(SKIP16,((void)0),statement for skipping 16 bytes)
       AC_MSG_WARN(Disabling dynamic native code generation by default (speed penalty factor ~2))
   else
       AC_DEFINE_UNQUOTED(SKIP16,asm("$skipcode"),statement for skipping 16 bytes)
   fi
   
   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
   
 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(dl,dlopen)
   dnl check for ffcall libraries
   dnl unfortunately, these four calls are separated out into a library each.
   AC_CHECK_LIB(avcall,__builtin_avcall)
   AC_CHECK_LIB(callback,__vacall_r)
   AC_CHECK_LIB(vacall,vacall)
   AC_CHECK_LIB(trampoline,alloc_trampoline)
   FFCALLFLAG="false"
   OLDCALLFLAG="true"
   test $ac_cv_lib_avcall___builtin_avcall = yes && FFCALLFLAG="true" && OLDCALLFLAG="false" && AC_DEFINE(HAS_FFCALL,,[define this if you want to use the ffcall libraries])
   test $ac_cv_lib_avcall___builtin_avcall = no && AC_DEFINE(HAS_OLDCALL,,[define this if you want to use the old call libraries])
   AC_SUBST(FFCALLFLAG)
   AC_SUBST(OLDCALLFLAG)
 if test "$host_os" != "nextstep3"  if test "$host_os" != "nextstep3"
 then  then
         AC_FUNC_MEMCMP          AC_FUNC_MEMCMP
 fi  fi
 AC_REPLACE_FUNCS(memmove strtoul pow10 strerror strsignal atanh)  AC_REPLACE_FUNCS(memmove strtoul pow10 strerror strsignal atanh)
 AC_CHECK_FUNCS(dlopen sys_siglist getrusage)  AC_FUNC_FSEEKO
   AC_CHECK_FUNCS(ftello dlopen sys_siglist getrusage)
   AC_CHECK_TYPES(stack_t,,,[#include <signal.h>])
 AC_DECL_SYS_SIGLIST  AC_DECL_SYS_SIGLIST
 AC_CHECK_FUNC(getopt_long,true,AC_LIBOBJ(getopt.$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)
Line 343  AC_SUBST(kernel_fi) Line 500  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
 engine/Makefile  engine/Makefile
 doc/version.texi ],  doc/version.texi ])
 echo timestamp > stamp-h  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)  test -d kernel||mkdir kernel]],[[]])
   AC_OUTPUT
   

Removed from v.1.88  
changed lines
  Added in v.1.135


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