Diff for /gforth/configure.in between versions 1.33 and 1.91

version 1.33, 1997/09/01 23:07:06 version 1.91, 2002/12/23 22:14:05
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 Free Software Foundation, Inc.  #Copyright (C) 1995,1996,1997,1998,2000 Free Software Foundation, Inc.
   
 #This file is part of Gforth.  #This file is part of Gforth.
   
Line 16  dnl Process this file with autoconf to p Line 16  dnl Process this file with autoconf to p
   
 #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, write to the Free Software
 #Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.  #Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA.
   
 AC_INIT(engine/engine.c)  AC_INIT(engine/engine.c)
 AC_CONFIG_HEADER(engine/config.h)  
   dnl We use some automake macros here,
   dnl but don't use automake for creating Makefile.in
   AM_INIT_AUTOMAKE(gforth,0.5.9-20020901)
   #snapshots have numbers major.minor.release-YYYYMMDD
   #note that lexicographic ordering bust be heeded.
   #I.e., 0.4.1-YYYYMMDD must not exist before 0.4.1!
   UPDATED="1 September 2002"
   AC_SUBST(UPDATED)
   AM_CONFIG_HEADER(engine/config.h)
   #AM_CYGWIN32
   
 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,,[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_DEFINE(FORCE_REG))  
 dnl this is not quite according to the autoconf manual, it causes a replacement  
 AC_ARG_ENABLE(direct-threaded,  
 [  --enable-direct-threaded     Force direct threading. This may not work on  
                                 some machines and may cause slowdown on others.  
                                 (default processor-dependent)],  
 AC_DEFINE(DIRECT_THREADED))  
 AC_ARG_ENABLE(indirect-threaded,  
 [  --enable-indirect-threaded   Force indirect threading. This can cause a  
                                 slowdown on some machines.  
                                 (default processor-dependent)],  
 AC_DEFINE(INDIRECT_THREADED))  
   
 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 (default)
Line 47  AC_ARG_WITH(debug, Line 45  AC_ARG_WITH(debug,
                    debugging informations.],                     debugging informations.],
 if test "$withval" = "yes"; then DEBUGFLAG=-g; fi)  if test "$withval" = "yes"; then DEBUGFLAG=-g; fi)
   
   PEEPHOLE="yes"
   AC_ARG_WITH(peephole,
   [  --with-peephole      Enable peephole optimization (default)
     --without-peephole    disables peephole optimization. Creates smaller,
                           but slower images.],
   PEEPHOLE="$withval")
   
   #currently we force direct threading this way.  Eventually we should
   #setup in the arch and engine files right
   
 CFLAGS=$CFLAGS  CFLAGS=$CFLAGS
   
 AC_PROG_CC  AC_PROG_CC
Line 64  EOF Line 72  EOF
 fi  fi
   
 AC_SUBST(CC)  AC_SUBST(CC)
 AC_SUBST(GCCLDFLAGS)  
 AC_SUBST(DEBUGFLAG)  AC_SUBST(DEBUGFLAG)
   
 dnl the following macro produces a warning with autoconf-2.1  dnl the following macro produces a warning with autoconf-2.1
Line 81  case "$ac_cv_sizeof_char_p" in Line 88  case "$ac_cv_sizeof_char_p" in
     ;;      ;;
 esac  esac
   
   AC_CHECK_SIZEOF(char)
 AC_CHECK_SIZEOF(short)  AC_CHECK_SIZEOF(short)
 AC_CHECK_SIZEOF(int)  AC_CHECK_SIZEOF(int)
 AC_CHECK_SIZEOF(long)  AC_CHECK_SIZEOF(long)
Line 88  AC_CHECK_SIZEOF(long long) Line 96  AC_CHECK_SIZEOF(long long)
   
 ac_cv_int_type_cell=none  ac_cv_int_type_cell=none
 case "$ac_cv_sizeof_char_p" in  case "$ac_cv_sizeof_char_p" in
     $ac_cv_sizeof_int)
       ac_cv_int_type_cell=int
       ;;
   $ac_cv_sizeof_short)    $ac_cv_sizeof_short)
     ac_cv_int_type_cell=short      ac_cv_int_type_cell=short
     ;;      ;;
   $ac_cv_sizeof_int)    $ac_cv_sizeof_char)
     ac_cv_int_type_cell=int      ac_cv_int_type_cell=char
     ;;      ;;
   $ac_cv_sizeof_long)    $ac_cv_sizeof_long)
     ac_cv_int_type_cell=long      ac_cv_int_type_cell=long
Line 106  if test "$ac_cv_int_type_cell" != int; t Line 117  if test "$ac_cv_int_type_cell" != int; t
         echo "Since you don't have a proper C on this machine, that's one more reason"          echo "Since you don't have a proper C on this machine, that's one more reason"
         echo "to use Forth;-)"          echo "to use Forth;-)"
 fi  fi
 AC_DEFINE_UNQUOTED(CELL_TYPE,$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_cv_int_type_double_cell=none  ac_cv_int_type_double_cell=none
 case `expr 2 '*' "$ac_cv_sizeof_char_p"` in  case `expr 2 '*' "$ac_cv_sizeof_char_p"` in
Line 128  if test "$ac_cv_int_type_double_cell" = Line 139  if test "$ac_cv_int_type_double_cell" =
         echo "If you find this unacceptable, ask the GCC maintainers to provide proper"          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 longs for your machine (the GCC manual states that they \"are twice as'
         echo "long as \`long int\'\")."          echo "long as \`long int\'\")."
         LIBOBJS="$LIBOBJS dblsub.o"          AC_LIBOBJ(dblsub)
         AC_DEFINE(BUGGY_LONG_LONG)          AC_DEFINE(BUGGY_LONG_LONG,,[define this if there is no working DOUBLE_CELL_TYPE on your machine])
 else  else
   AC_DEFINE_UNQUOTED(DOUBLE_CELL_TYPE,$ac_cv_int_type_double_cell)    AC_DEFINE_UNQUOTED(DOUBLE_CELL_TYPE,$ac_cv_int_type_double_cell,[an integer type that is twice as long as a pointer])
 fi  fi
   
   AC_MSG_CHECKING([whether the linker accepts -export-dynamic])
   OLDLDFLAGS=$LDFLAGS
   LDFLAGS="$LDFLAGS -export-dynamic"
   dnl AC_TRY_LINK gives false positive on rs6000-ibm-aix4.2.1.0
   dnl AC_TRY_LINK(,,ac_export_dynamic=yes,ac_export_dynamic=no)
   AC_TRY_RUN(main(){exit(0);},ac_export_dynamic=yes,ac_export_dynamic=no,ac_export_dynamic=no)
   test $ac_export_dynamic = yes|| LDFLAGS=$OLDLDFLAGS
   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  AC_CANONICAL_HOST
 case "$host_cpu" in  case "$host_cpu" in
         hppa*)          hppa*)
                 mach_h=hppa                  machine=hppa
                 LIBOBJS="cache.o"                  $srcdir/mkinstalldirs arch/hppa
                 LDFLAGS="-Xlinker -N"                  AC_LIBOBJ(../arch/hppa/cache)
                 LIBS="-L/lib/pa1.1/"                  LDFLAGS="$LDFLAGS -Xlinker -N"
                 if test "${enable_direct_threaded+set}" = ""                  LIBS="$LIBS -L/lib/pa1.1/"
                 then  
                         AC_DEFINE(DIRECT_THREADED)  
                 fi  
                 ;;                  ;;
         sparc*)          sparc*)
                 mach_h=sparc                  machine=sparc
                 ;;                  ;;
         i386)          i386)
                 mach_h=386                  machine=386
                 CFLAGS="$CFLAGS -fomit-frame-pointer -fforce-addr -fforce-mem"                  CFLAGS="$CFLAGS -fomit-frame-pointer -fforce-addr -fforce-mem"
                 if test "${enable_direct_threaded+set}" = "" \  
                         -a "${enable_indirect_threaded+set}" = ""  
                 then  
                         echo "Using direct threaded on 386er"  
                         AC_DEFINE(DIRECT_THREADED)  
                 fi  
                 ;;                  ;;
         i486)          i486)
                 mach_h=386                  machine=386
                 CFLAGS="$CFLAGS -fomit-frame-pointer -fforce-addr -fforce-mem -m486"                  CFLAGS="$CFLAGS -fomit-frame-pointer -fforce-addr -fforce-mem -m486"
                 if test "${enable_direct_threaded+set}" = "" \  
                         -a "${enable_indirect_threaded+set}" = ""  
                 then  
                         echo "Using direct threaded on 486er"  
                         AC_DEFINE(DIRECT_THREADED)  
                 fi  
                 ;;                  ;;
         i586|i686)          i*86)
                 mach_h=386                  machine=386
                 CFLAGS="$CFLAGS -fomit-frame-pointer -fforce-addr -fforce-mem -m486"                  CFLAGS="$CFLAGS -fomit-frame-pointer -fforce-addr -fforce-mem"
                 if test "${enable_direct_threaded+set}" = "" \                  CFLAGS_1="$CFLAGS"
                         -a "${enable_indirect_threaded+set}" = ""                  CFLAGS="$CFLAGS -march=pentium"
                 then                  AC_TRY_COMPILE(,,,CFLAGS="$CFLAGS_1 -m486")
                         echo "Using indirect threaded on Pentium and up"                  ;;
                         AC_DEFINE(INDIRECT_THREADED)          ia64*)
                 fi                  machine=ia64
                 ;;                  ;;
         m68k)          m68k)
                 mach_h=m68k                  machine=m68k
                 CFLAGS="$CFLAGS -fomit-frame-pointer"                  CFLAGS="$CFLAGS -fomit-frame-pointer"
                 if test "$host_os" = "nextstep3"                  if test "$host_os" = "nextstep3"
                 then                  then
                         LIBOBJS="$LIBOBJS termios.o"                          AC_LIBOBJ(termios)
                 fi                  fi
                 ;;                  ;;
         mips*)          mips*)
                 mach_h=mips                  machine=mips
                 #link text and data segment into the same 256M region!                  #link text and data segment into the same 256M region!
                 GCCLDFLAGS="-Xlinker -T -Xlinker 10000000 -Xlinker -D -Xlinker 10400000"                  AC_MSG_CHECKING([whether the linker accepts -T])
                   OLDLDFLAGS=$LDFLAGS
                   LDFLAGS="$LDFLAGS -Xlinker -T -Xlinker 10000000"
                   AC_TRY_LINK(,,ac_link_mips_t=yes,ac_link_mips_t=no)
                   test $ac_link_mips_t = yes||LDFLAGS=$OLDLDFLAGS
                   AC_MSG_RESULT($ac_link_mips_t)
                   fixme #dynamically generated code should be in the same 256MB
                   # region as the text segment; no indirect threading necessary
                   test $ac_link_mips_t = yes||(echo cannot link text and data into same 256M region, using indirect threading; AC_DEFINE(INDIRECT_THREADED,,[Define if you want to force an indirect threaded code implementation]))
                   AC_MSG_CHECKING([whether the linker accepts -D])
                   OLDLDFLAGS=$LDFLAGS
                   LDFLAGS="$LDFLAGS -Xlinker -D -Xlinker 10400000"
                   AC_TRY_LINK(,,ac_link_mips_d=yes,ac_link_mips_d=no)
                   test $ac_link_mips_d = yes||LDFLAGS=$OLDLDFLAGS
                   AC_MSG_RESULT($ac_link_mips_d)
                 ;;                  ;;
         alpha*)          alpha*)
                 mach_h=alpha                  machine=alpha
                   #full IEEE FP support for more uniformity across platforms:
                   CFLAGS="$CFLAGS -mieee"
                 ;;                  ;;
         power*)          power*|rs6000)
                 mach_h=power                  machine=power
                   $srcdir/mkinstalldirs arch/power
                   AC_CHECK_FUNC(_sync_cache_range,true,AC_LIBOBJ(../arch/power/_sync_cache_range))
                 ;;                  ;;
         *)          *)
                 echo "No direct threading support for $host_cpu, using indirect threading."  
                 echo "Using a generic machine description."                  echo "Using a generic machine description."
                 echo "I'll assume that C floats and doubles are represented by IEEE single and"                  echo "I'll assume that C floats and doubles are represented by IEEE single and"
                 echo "double numbers. If this is not so, SF@ etc. will not work correctly."                  echo "double numbers. If this is not so, SF@ etc. will not work correctly."
                 echo "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!"
                 mach_h=32bit                  machine=generic
 esac  esac
 AC_SUBST(host)  AC_SUBST(host)
 AC_SUBST(ENGINE_FLAGS)  AC_SUBST(ENGINE_FLAGS)
   
   # Try if GCC understands -fno-cross-jump
   
   CFLAGS_1="$CFLAGS"
   CFLAGS="$CFLAGS -fno-cross-jump"
   AC_TRY_COMPILE(,,,CFLAGS="$CFLAGS_1")
   
   AC_CHECK_PROG(asm_fs,asm.fs,arch/$machine/asm.fs,,$srcdir/arch/$machine)
   AC_SUBST(asm_fs)
   
   AC_CHECK_PROG(disasm_fs,disasm.fs,arch/$machine/disasm.fs,,$srcdir/arch/$machine)
   AC_SUBST(disasm_fs)
   
   case "$host_os" in
           *win32)
                   EXE=".exe"
                   DIRSEP="\\"
                   ;;
           *)
                   EXE=""
                   DIRSEP="/"
                   ;;
   esac
   AC_SUBST(EXE)
   AC_SUBST(DIRSEP)
   AC_DEFINE_UNQUOTED(DIRSEP,'$DIRSEP',[a directory 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)
 GFORTH_EXE=""  GFORTH_EXE=""
   AC_SUBST(GFORTHFAST_EXE)
   GFORTHFAST_EXE=""
   AC_SUBST(GFORTHITC_EXE)
   GFORTHITC_EXE=""
 AC_SUBST(GFORTHDITC_EXE)  AC_SUBST(GFORTHDITC_EXE)
 GFORTHDITC_EXE=""  GFORTHDITC_EXE=""
   
 PATHSEP=":"  PATHSEP=":"
 AC_SUBST(PATHSEP)  AC_SUBST(PATHSEP)
 AC_DEFINE_UNQUOTED(PATHSEP,'$PATHSEP')  AC_DEFINE_UNQUOTED(PATHSEP,'$PATHSEP',[a path separator character])
   
 AC_SUBST(FORTHSIZES)  AC_SUBST(FORTHSIZES)
   
   if test "$PEEPHOLE" = "yes"
   then
      PEEPHOLEFLAG="true"
      AC_DEFINE(HAS_PEEPHOLE,,[Define if you want to use peephole optimization])
   else
      PEEPHOLEFLAG="false"
   fi
   AC_SUBST(PEEPHOLEFLAG)
   
 dnl copy commands for systems that don't have links  dnl copy commands for systems that don't have links
 AC_SUBST(LINK_KERNL)  AC_SUBST(LINK_KERNL)
 LINK_KERNL=""  LINK_KERNL=""
Line 246  else Line 307  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")
   for i in ".skip 16" ".block 16" ".org .+16" ".=.+16" ".space 16"
   do
           AC_MSG_CHECKING([whether asm("$i") skips 16 bytes])
           AC_TRY_RUN(
   int foo(int);
   main()
   {
     exit(foo(0)!=16);
   }
   int foo(int x)
   {
     if (x) {
     label1:
       asm("$i");
     label2:
     }
     return (&&label2)-(&&label1);
   }
           ,AC_MSG_RESULT(yes)
            AC_DEFINE_UNQUOTED(SKIP16,asm("$i"),statement for skipping 16 bytes)
            break
           ,AC_MSG_RESULT(no),)
           
   done    
   
   
 dnl Checks for programs.  dnl Checks for programs.
 AC_PROG_LN_S  AC_PROG_LN_S
 AC_PROG_INSTALL  dnl AM_PROG_INSTALL #performed by AM_INIT_AUTOMAKE
   
 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_FUNCS(dlopen)  
 AC_CHECK_LIB(dl,dlopen)  AC_CHECK_LIB(dl,dlopen)
 AC_CHECK_LIB(kernel32,GetModuleHandle)  
 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(sys_siglist)  AC_CHECK_FUNCS(dlopen sys_siglist getrusage)
 AC_DECL_SYS_SIGLIST  AC_DECL_SYS_SIGLIST
 AC_CHECK_FUNC(getopt_long,getopt_long="",getopt_long="getopt.o getopt1.o")  AC_CHECK_FUNC(getopt_long,true,AC_LIBOBJ(getopt.$ac_objext getopt1))
 AC_SUBST(getopt_long)  AC_CHECK_FUNCS(expm1 log1p)
 AC_CHECK_FUNCS(rint expm1 log1p)  AC_REPLACE_FUNCS(rint ecvt)
 AC_REPLACE_FUNCS(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)  AC_CHECK_HEADERS(sys/mman.h fnmatch.h)
   AC_FUNC_FNMATCH
   test $ac_cv_func_fnmatch_works = yes || AC_LIBOBJ(fnmatch)
 AC_CHECK_FUNCS(mmap sysconf getpagesize)  AC_CHECK_FUNCS(mmap sysconf getpagesize)
   AM_PATH_LISPDIR
   
 kernel_fi=kernl${wordsize}${bytesex}.fi  kernel_fi=kernl${wordsize}${bytesex}.fi
 AC_SUBST(kernel_fi)  AC_SUBST(kernel_fi)
   
 AC_SUBST(mach_h)  #this breaks bindists
 AC_LINK_FILES($kernel_fi,kernel.fi)  #dnl replace srource directory by absolute value
   #if test $srcdir = "."; then srcdir=`pwd` 
   #fi
   
   AC_SUBST(machine)
   dnl AC_LINK_FILES(arch/$machine,arch/machine) #no longer needed
 AC_OUTPUT([  AC_OUTPUT([
 Makefile  Makefile
 engine/Makefile ],echo timestamp > stamp-h)  Makedist
   gforthmi
   vmgen
   machpc.fs
   engine/Makefile
   doc/version.texi ],
   echo timestamp > stamp-h
   chmod +x gforthmi
   chmod +x vmgen
   test -d kernel||mkdir kernel)
   

Removed from v.1.33  
changed lines
  Added in v.1.91


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