Diff for /gforth/configure.in between versions 1.8 and 1.58

version 1.8, 1995/01/25 18:53:45 version 1.58, 2000/02/04 14:52:30
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.
 AC_INIT(engine.c)  
   #Copyright (C) 1995,1996,1997,1998 Free Software Foundation, Inc.
   
   #This file is part of Gforth.
   
   #Gforth is free software; you can redistribute it and/or
   #modify it under the terms of the GNU General Public License
   #as published by the Free Software Foundation; either version 2
   #of the License, or (at your option) any later version.
   
   #This program is distributed in the hope that it will be useful,
   #but WITHOUT ANY WARRANTY; without even the implied warranty of
   #MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.#See the
   #GNU General Public License for more details.
   
   #You should have received a copy of the GNU General Public License
   #along with this program; if not, write to the Free Software
   #Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
   
   AC_INIT(engine/engine.c)
   
   dnl We use some automake macros here,
   dnl but don't use automake for creating Makefile.in
   AM_INIT_AUTOMAKE(gforth,0.4.9-19990617)
   #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!
   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
Line 20  AC_ARG_ENABLE(indirect-threaded, Line 48  AC_ARG_ENABLE(indirect-threaded,
                                 (default processor-dependent)],                                  (default processor-dependent)],
 AC_DEFINE(INDIRECT_THREADED))  AC_DEFINE(INDIRECT_THREADED))
   
 AC_SUBST(GCCLDFLAGS)  AC_ARG_WITH(debug,
   [  --with-debug     specifies option -g to compile with debug info (default)
     --without-debug  omits the -g switch and creates smaller images on
                      machines where "strip" has problems with gcc style
                      debugging informations.],
   if test "$withval" = "yes"; then DEBUGFLAG=-g; fi)
   
   CFLAGS=$CFLAGS
   
   AC_PROG_CC
   
   if test "$GCC" = "yes"
   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(DEBUGFLAG)
   
   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_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\'\")."
           LIBOBJS="$LIBOBJS dblsub.o"
           AC_DEFINE(BUGGY_LONG_LONG)
   else
     AC_DEFINE_UNQUOTED(DOUBLE_CELL_TYPE,$ac_cv_int_type_double_cell)
   fi
   
   AC_MSG_CHECKING([whether the linker accepts -export-dynamic])
   OLDLDFLAGS=$LDFLAGS
   LDFLAGS="$LDFLAGS -export-dynamic"
   AC_TRY_LINK(,,ac_export_dynamic=yes,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"                  $srcdir/mkinstalldirs arch/hppa
                 LDFLAGS="-Xlinker -N"                  LIBOBJS="$LIBOBJS ../arch/hppa/cache.o"
                 LIBS="-L/lib/pa1.1/"                  LDFLAGS="$LDFLAGS -Xlinker -N"
                   LIBS="$LIBS -L/lib/pa1.1/"
                   if test "${enable_direct_threaded+set}" = ""
                   then
                           AC_DEFINE(DIRECT_THREADED)
                   fi
                 ;;                  ;;
         sparc*)          sparc*)
                 mach_h=sparc                  machine=sparc
                   ;;
           i386)
                   machine=386
                   CFLAGS="$CFLAGS -fomit-frame-pointer -fforce-addr -fforce-mem"
                   if test "${enable_direct_threaded+set}" = "" \
                           -a "${enable_indirect_threaded+set}" = ""
                   then
                           echo "Using direct threaded code on 386"
                           AC_DEFINE(DIRECT_THREADED)
                   fi
                   ;;
           i486)
                   machine=386
                   CFLAGS="$CFLAGS -fomit-frame-pointer -fforce-addr -fforce-mem -m486"
                   if test "${enable_direct_threaded+set}" = "" \
                           -a "${enable_indirect_threaded+set}" = ""
                   then
                           echo "Using direct threaded code on 486"
                           AC_DEFINE(DIRECT_THREADED)
                   fi
                   ;;
           i586)
                   machine=386
                   CFLAGS="$CFLAGS -fomit-frame-pointer -fforce-addr -fforce-mem"
                   CFLAGS_1="$CFLAGS"
                   CFLAGS="$CFLAGS -mpentium"
                   AC_TRY_COMPILE(,,,CFLAGS="$CFLAGS_1 -m486")
                   if test "${enable_direct_threaded+set}" = "" \
                           -a "${enable_indirect_threaded+set}" = ""
                   then
                           echo "Using indirect threaded code on Pentium/K5/K6"
                           AC_DEFINE(INDIRECT_THREADED)
                   fi
                 ;;                  ;;
         i386|i486|i586)          i686)
                 mach_h=386                  machine=386
                 #!! direct/indirect threading switch                  CFLAGS="$CFLAGS -fomit-frame-pointer -fforce-addr -fforce-mem"
                 #!! -m486 flag                  CFLAGS_1="$CFLAGS"
                   CFLAGS="$CFLAGS -mpentiumpro"
                   AC_TRY_COMPILE(,,,CFLAGS="$CFLAGS_1 -m486")
                   if test "${enable_direct_threaded+set}" = "" \
                           -a "${enable_indirect_threaded+set}" = ""
                   then
                           echo "Using direct threaded code on PPro/Pentium II"
                           AC_DEFINE(DIRECT_THREADED)
                   fi
                 ;;                  ;;
         m68*)          m68k)
                 mach_h=m68k                  machine=m68k
                   CFLAGS="$CFLAGS -fomit-frame-pointer"
                   if test "$host_os" = "nextstep3"
                   then
                           LIBOBJS="$LIBOBJS termios.o"
                   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])
                 #this works on Ultrix, but not on Irix                  OLDLDFLAGS=$LDFLAGS
                 #for now use indirect threading under Irix                  LDFLAGS="$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)
                   test $ac_link_mips_t = yes||(echo cannot link text and data into same 256M region, using indirect threading; AC_DEFINE(INDIRECT_THREADED))
                   AC_MSG_CHECKING([whether the linker accepts -D])
                   OLDLDFLAGS=$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($ac_link_mips_d)
                   ;;
           alpha*)
                   machine=alpha
                   #full IEEE FP support for more uniformity across platforms:
                   CFLAGS="$CFLAGS -mieee"
                   ;;
           power*)
                   machine=power
                   $srcdir/mkinstalldirs arch/power
                   AC_CHECK_FUNC(_sync_cache_range,true,LIBOBJS="$LIBOBJS ../arch/power/_sync_cache_range.o")
                 ;;                  ;;
         *)          *)
                 echo "No direct threading support for $host_cpu, using indirect threading."                  echo "No direct threading support for $host_cpu, using indirect threading."
                 echo "Using a generic 32-bit machine description. It will only work if char * AND"                  echo "Using a generic machine description."
                 echo "long values have 32 bits."  
                 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."
                 mach_h=32bit                  echo "FLUSH-ICACHE will do nothing, so END-CODE may not work properly!"
                   machine=generic
 esac  esac
   AC_SUBST(host)
   AC_SUBST(ENGINE_FLAGS)
   
   case "$host_os" in
           *win32)
                   EXE=".exe"
                   ;;
           *)
                   EXE=""
                   ;;
   esac
   AC_SUBST(EXE)
   
 dnl Now a little support for DOS/DJGCC  dnl Now a little support for DOS/DJGCC
 AC_SUBST(MAKE_EXE)  AC_SUBST(GFORTH_EXE)
 MAKE_EXE=""  GFORTH_EXE=""
   AC_SUBST(GFORTHFAST_EXE)
   GFORTHFAST_EXE=""
   AC_SUBST(GFORTHDITC_EXE)
   GFORTHDITC_EXE=""
   
   PATHSEP=":"
   AC_SUBST(PATHSEP)
   AC_DEFINE_UNQUOTED(PATHSEP,'$PATHSEP')
   
   AC_SUBST(FORTHSIZES)
   
 dnl copy commands for systems that don't have links  dnl copy commands for systems that don't have links
 AC_SUBST(LINK_KERNL16L)  AC_SUBST(LINK_KERNL)
 LINK_KERNL16L=""  LINK_KERNL=""
 AC_SUBST(LINK_KERNL16B)  
 LINK_KERNL16B=""  
 AC_SUBST(LINK_KERNL32L)  
 LINK_KERNL32L=""  
 AC_SUBST(LINK_KERNL32B)  
 LINK_KERNL32B=""  
 AC_SUBST(LINK_KERNL64L)  
 LINK_KERNL64L=""  
 AC_SUBST(LINK_KERNL64B)  
 LINK_KERNL64B=""  
   
 #if test $host_os=dos  #if test $host_os=dos
 #then  #then
 #  echo Configuring for DOS!!!  #  echo Configuring for DOS!!!
 #  MAKE_EXE="coff2exe gforth"  #  MAKE_EXE="coff2exe gforth"
 #  LINK_KERNL32L='$(CP) kernl32l.fi gforth.fi'  #  LINK_KERNL='$(CP) kernl32l.fi kernel.fi'
 #fi  #fi
   
 dnl the following macro produces a warning with autoconf-2.1  dnl the following macro produces a warning with autoconf-2.1
 AC_C_BIGENDIAN  AC_C_BIGENDIAN
 AC_SUBST(KERNAL)  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 = yes; then
   bytesex=b    bytesex=b
   KERNAL="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
   bytesex=l    bytesex=l
   KERNAL="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
   
 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_FUNC_MEMCMP  AC_CHECK_LIB(dl,dlopen)
 AC_REPLACE_FUNCS(memmove strtoul)  if test "$host_os" != "nextstep3"
 AC_CHECK_FUNC(getopt_long,getopt_long="",getopt_long="getopt.o getopt1.o")  then
 AC_SUBST(getopt_long)          AC_FUNC_MEMCMP
 AC_CHECK_FUNCS(rint expm1 log1p pow10)  fi
   AC_REPLACE_FUNCS(memmove strtoul pow10 strerror strsignal atanh)
   AC_CHECK_FUNCS(dlopen sys_siglist)
   AC_DECL_SYS_SIGLIST
   AC_CHECK_FUNC(getopt_long,true,LIBOBJS="$LIBOBJS getopt.o getopt1.o")
   AC_CHECK_FUNCS(rint expm1 log1p)
 AC_REPLACE_FUNCS(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_FUNCS(mmap sysconf getpagesize)
   AM_PATH_LISPDIR
   
   kernel_fi=kernl${wordsize}${bytesex}.fi
   AC_SUBST(kernel_fi)
   
 gforth_fi=kernl32${bytesex}.fi  dnl replace srource directory by absolute value
 AC_SUBST(gforth_fi)  if test $srcdir = "."; then srcdir=`pwd` 
   fi
   
 dnl autoconf requires (implicitly) that AC_LINK_FILES is used only once  AC_SUBST(machine)
 AC_LINK_FILES(${mach_h}.h $gforth_fi,machine.h gforth.fi)  dnl AC_LINK_FILES(arch/$machine,arch/machine) #no longer needed
 AC_OUTPUT(Makefile)  AC_OUTPUT([
   Makefile
   Makedist
   gforthmi
   engine/Makefile
   doc/version.texi ],
   echo timestamp > stamp-h
   chmod +x gforthmi
   test -d kernel||mkdir kernel)
   

Removed from v.1.8  
changed lines
  Added in v.1.58


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