Diff for /gforth/configure.in between versions 1.225 and 1.290

version 1.225, 2008/05/04 17:53:29 version 1.290, 2011/11/14 22:33:22
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) 1995,1996,1997,1998,2000,2003,2004,2005,2006,2007 Free Software Foundation, Inc.  #Copyright (C) 1995,1996,1997,1998,2000,2003,2004,2005,2006,2007,2008,2009,2010 Free Software Foundation, Inc.
   
 #This file is part of Gforth.  #This file is part of Gforth.
   
Line 20  dnl Process this file with autoconf to p Line 20  dnl Process this file with autoconf to p
   
 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
 AC_INIT([gforth],[0.6.9-20080430],[https://savannah.gnu.org/bugs/?func=addbug&group=gforth])  AC_INIT([gforth],[0.7.9-20101227],[https://savannah.gnu.org/bugs/?func=addbug&group=gforth])
 AC_PREREQ(2.54)  AC_PREREQ(2.54)
 #snapshots have numbers major.minor.release-YYYYMMDD  #snapshots have numbers major.minor.release-YYYYMMDD
 #note that lexicographic ordering must 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="February 23, 2008"  UPDATED="December 27, 2010"
 AC_SUBST(UPDATED)  AC_SUBST(UPDATED)
 AC_CONFIG_HEADERS(engine/config.h)  AC_CONFIG_HEADERS(engine/config.h)
   
Line 70  if test "$withval" = "yes"; then DEBUGFL Line 70  if test "$withval" = "yes"; then DEBUGFL
   
 GCC_LD="\$(GCC)"  GCC_LD="\$(GCC)"
 EC_MODE="false"  EC_MODE="false"
   NO_EC=""
 EC=""  EC=""
 engine2='engine2$(OPT).o'  engine2='engine2$(OPT).o'
 engine_fast2='engine-fast2$(OPT).o'  engine_fast2='engine-fast2$(OPT).o'
Line 77  no_dynamic="" Line 78  no_dynamic=""
 image_i=""  image_i=""
 signals_o="io.o signals.o"  signals_o="io.o signals.o"
   
   AC_CANONICAL_HOST
 AC_ARG_WITH(ec,  AC_ARG_WITH(ec,
         AC_HELP_STRING([--with-ec=<arch>],          AC_HELP_STRING([--with-ec=<arch>],
                         [  Build gforth for systems without OS.]),                          [  Build gforth for systems without OS.]),
Line 87  else Line 89  else
   AC_DEFINE(STANDALONE,,[Define if you want a Gforth without OS])    AC_DEFINE(STANDALONE,,[Define if you want a Gforth without OS])
   EC_MODE="true"    EC_MODE="true"
   EC="-ec"    EC="-ec"
     NO_EC="#"
   engine2=""    engine2=""
   engine_fast2=""    engine_fast2=""
   no_dynamic="-DNO_DYNAMIC"    no_dynamic="-DNO_DYNAMIC"
Line 96  else Line 99  else
   else    else
     signals_o="io.o"      signals_o="io.o"
   fi    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])
   
   AC_ARG_WITH(cross,
           AC_HELP_STRING([--with-cross=<arch>],
                           [  Build gforth using a cross compiler.]),
   [if test "$withval" = "no"; then
     echo "defining hosted system"
   else
     echo "defining cross compiled system (${withval})"
     if test -f "arch/$host_cpu/${withval}/config.sh"; then
       source "arch/$host_cpu/${withval}/config.sh"
     fi
   GCC_PATH=$(which $CC)    GCC_PATH=$(which $CC)
   LIB_PATH=${GCC_PATH%/*/*}    LIB_PATH=${GCC_PATH%/*/*}
   GCC_LD="\$(LD)"    GCC_LD="\$(LD)"
Line 108  AC_ARG_VAR(FORTHSIZES, [Gforth command l Line 130  AC_ARG_VAR(FORTHSIZES, [Gforth command l
 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_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(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(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_char_p, [sizeof(char *)])
 AC_ARG_VAR(ac_cv_sizeof_void_p, [sizeof(void *)])  AC_ARG_VAR(ac_cv_sizeof_void_p, [sizeof(void *)])
Line 117  AC_ARG_VAR(ac_cv_sizeof_int, [sizeof(int Line 140  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, [sizeof(long)])
 AC_ARG_VAR(ac_cv_sizeof_long_long, [sizeof(long 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_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(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(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(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(skipcode, [assembly code for skipping 16 bytes of code])
 AC_ARG_VAR(asmcomment, [assembler comment start string])  AC_ARG_VAR(asmcomment, [assembler comment start string])
 AC_ARG_VAR(arm_cacheflush, [file containing ARM cacheflush function (without .c)])  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:  #set up feature test macros, so the tests get them right:
 # turn on all POSIX, SUSv3, and GNU features if available  # turn on all POSIX, SUSv3, and GNU features if available
Line 149  test "$GCC" = "yes" || AC_MSG_ERROR(Gfor Line 175  test "$GCC" = "yes" || AC_MSG_ERROR(Gfor
   
 AC_MSG_CHECKING([whether to use two dispatches per conditional branch])  AC_MSG_CHECKING([whether to use two dispatches per conditional branch])
 test x$condbranch_opt = x &&   test x$condbranch_opt = x && 
 if ($CC -v 2>&1 |grep -q 'gcc version 3'); then  if ($CC -v 2>&1 |grep 'gcc version 3' >/dev/null); then
    condbranch_opt=0     condbranch_opt=0
 else  else
    condbranch_opt=1     condbranch_opt=1
Line 161  AC_SUBST(CC) Line 187  AC_SUBST(CC)
 AC_SUBST(GCC_LD)  AC_SUBST(GCC_LD)
 AC_SUBST(DEBUGFLAG)  AC_SUBST(DEBUGFLAG)
 AC_SUBST(EC)  AC_SUBST(EC)
   AC_SUBST(NO_EC)
 AC_SUBST(EC_MODE)  AC_SUBST(EC_MODE)
 AC_SUBST(engine2)  AC_SUBST(engine2)
 AC_SUBST(engine_fast2)  AC_SUBST(engine_fast2)
Line 189  AC_MSG_RESULT($ac_export_dynamic) Line 216  AC_MSG_RESULT($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*)          arm*)
                 machine=arm                  machine=arm
Line 200  case "$host_cpu" in Line 226  case "$host_cpu" in
                 if test -z $arm_cacheflush; then                  if test -z $arm_cacheflush; then
                    case "$host_os" in                     case "$host_os" in
                      *linux*)                       *linux*)
                         arm_cacheflush=arch/arm/cacheflush-linux                           AC_LIBOBJ(../arch/arm/cacheflush-linux) 
                         ;;                          ;;
                      *)                          *)   
                         no_dynamic_default=1                          no_dynamic_default=1
                         arm_cacheflush=arch/arm/cacheflush0                          AC_LIBOBJ(../arch/arm/cacheflush0)
                         AC_MSG_WARN([No I-cache flush code known, disabling dynamic native code generation])                          AC_MSG_WARN([No I-cache flush code known, disabling dynamic native code generation])
                         ;;                          ;;
                    esac                     esac
                   else
                      AC_LIBOBJ(../$arm_cacheflush)
                      test $srcdir = . || AC_MSG_WARN([setting arm_cacheflush requires building in the source directory])
                 fi                  fi
                 AC_LIBSOURCES([../arch/arm/cacheflush0, dnl  
                                ../arch/arm/cacheflush-linux])  
                 AC_LIBOBJ(../$arm_cacheflush)  
                 #longer skipcodes lead to problems on ARM, and it uses                  #longer skipcodes lead to problems on ARM, and it uses
                 #only 4-byte alignment anyway                  #only 4-byte alignment anyway
                 test "$skipcode" || skipcode="nop"                  test "$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>                  #-N needed for --dynamic <M4U3b.3790$9d.317@news.cpqcorp.net>
                 LDFLAGS="$LDFLAGS -Xlinker -N"                  LDFLAGS="$LDFLAGS -Xlinker -N"
Line 233  case "$host_cpu" in Line 258  case "$host_cpu" in
                 ;;                  ;;
         i486)          i486)
                 machine=386                  machine=386
                 CFLAGS="$CFLAGS -fomit-frame-pointer -fforce-addr -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"                  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)          x86_64)
                 case $CC                  case $CC
Line 273  case "$host_cpu" in Line 304  case "$host_cpu" in
                 ;;                  ;;
         mips*)          mips*)
                 machine=mips                  machine=mips
                   AC_LIBOBJ(../arch/mips/check_prim) 
                 #dynamic native code has the following problems on MIPS:                  #dynamic native code has the following problems on MIPS:
                 #                  #
                 #1) J/JAL seems relocatable, but is are only                  #1) J/JAL seems relocatable, but is are only
Line 286  case "$host_cpu" in Line 318  case "$host_cpu" in
                 #particular, the delay slots of LW, MFLO, etc.)                  #particular, the delay slots of LW, MFLO, etc.)
                 #                  #
                 #Therefore we disable dynamic native code by default:                  #Therefore we disable dynamic native code by default:
                 if test -z $no_dynamic_default; then                  if test -z "$no_dynamic_default"; then
                     no_dynamic_default=1                      no_dynamic_default=1
                     AC_MSG_WARN([Disabling default dynamic native code generation (relocation and delay slot issues)])                      AC_MSG_WARN([Disabling default dynamic native code generation (relocation and delay slot issues)])
                 fi                  fi
Line 298  case "$host_cpu" in Line 330  case "$host_cpu" in
                 ;;                  ;;
         power*|rs6000)          power*|rs6000)
                 machine=power                  machine=power
                 $srcdir/mkinstalldirs arch/power  
                 AC_CHECK_FUNC(_sync_cache_range,[true],[AC_LIBOBJ(../arch/power/_sync_cache_range)])                  AC_CHECK_FUNC(_sync_cache_range,[true],[AC_LIBOBJ(../arch/power/_sync_cache_range)])
                 #long long is broken on (at least) gcc-2.95.* for PPC                  #long long is broken on (at least) gcc-2.95.* for PPC
                 test x$ac_cv_sizeof_long_long = x &&                   test x$ac_cv_sizeof_long_long = x && 
                 ($CC -v 2>&1 |grep -q 'gcc version 2.95') &&                  ($CC -v 2>&1 |grep 'gcc version 2.95' >/dev/null) &&
                 ac_cv_sizeof_long_long=0                       ac_cv_sizeof_long_long=0
                 #The only architecture with enough callee-saved registers                  #The only architecture with enough callee-saved registers
                 test x$STACK_CACHE_REGS = x && STACK_CACHE_REGS=3                  test x$STACK_CACHE_REGS = x && STACK_CACHE_REGS=3
                 #or use 2, hardly slower at run-time and starts up faster                  #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"
                 ;;                  ;;
         *)          *)
                 AC_MSG_WARN([Using a generic machine description])                  AC_MSG_WARN([Using a generic machine description])
Line 322  esac Line 357  esac
 AC_SUBST(host)  AC_SUBST(host)
   
 MAKEINC=""  MAKEINC=""
   GFORTH_EXE="true"
   
 echo "Check for arch/$machine/$platform/gforth.ld ($EC_MODE)"  echo "Check for arch/$machine/$platform/gforth.ld ($EC_MODE)"
 if test x$EC_MODE = xtrue  if test x$EC_MODE = xtrue
Line 337  then Line 373  then
         if test -f arch/$machine/$platform/make.inc          if test -f arch/$machine/$platform/make.inc
         then          then
                 MAKEINC="include ../arch/$machine/$platform/make.inc"                  MAKEINC="include ../arch/$machine/$platform/make.inc"
                   GFORTH_EXE="\$(MAKE) -f arch/$machine/$platform/make.inc \$@.exe"
         fi          fi
 fi  fi
 AC_SUBST(MAKEINC)  AC_SUBST(MAKEINC)
Line 465  esac Line 502  esac
 AC_MSG_RESULT($ac_cv_tetrabyte_type_cell)  AC_MSG_RESULT($ac_cv_tetrabyte_type_cell)
 AC_DEFINE_UNQUOTED(TETRABYTE_TYPE,$ac_cv_tetrabyte_type_cell,[an integer type that is 4 bytes long])  AC_DEFINE_UNQUOTED(TETRABYTE_TYPE,$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_MSG_CHECKING([for a C type for double-cells])
 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 527  else Line 589  else
         fi          fi
 fi  fi
   
 if grep -q FORCE_REG arch/$machine/machine.h; then  if grep FORCE_REG $srcdir/arch/$machine/machine.h >/dev/null; then
    OPTS=`for i in $OPTS; do echo -n "$i-reg "; done`$OPTS     OPTS2=''
      for i in $OPTS; do OPTS2="$OPTS2 $i-reg"; done
      OPTS="$OPTS2 $OPTS"
 else  else
   AC_DEFINE_UNQUOTED(FORCE_REG_UNNECESSARY,,[defined if the platform does not need FORCE_REG])    AC_DEFINE_UNQUOTED(FORCE_REG_UNNECESSARY,,[defined if the platform does not need FORCE_REG])
 fi  fi
Line 600  AC_TRY_COMPILE(,,ac_align_jumps=yes;ENGI Line 664  AC_TRY_COMPILE(,,ac_align_jumps=yes;ENGI
 CFLAGS="$CFLAGS_1"  CFLAGS="$CFLAGS_1"
 AC_MSG_RESULT($ac_align_jumps)  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))  # Try if GCC understands __attribute__((unused))
 AC_MSG_CHECKING([how to suppress 'unused variable' warnings])  AC_MSG_CHECKING([how to suppress 'unused variable' warnings])
 AC_TRY_COMPILE(,[int __attribute__((unused)) foo;], MAYBE_UNUSED='__attribute__((unused))',)  AC_TRY_COMPILE(,[int __attribute__((unused)) foo;], MAYBE_UNUSED='__attribute__((unused))',)
 AC_DEFINE_UNQUOTED(MAYBE_UNUSED,$MAYBE_UNUSED,[attribute for possibly unused variables])  AC_DEFINE_UNQUOTED(MAYBE_UNUSED,$MAYBE_UNUSED,[attribute for possibly unused variables])
 AC_MSG_RESULT($MAYBE_UNUSED)  AC_MSG_RESULT($MAYBE_UNUSED)
   
   # Try if GCC understands __thread
   AC_MSG_CHECKING([whether gcc understands '__thread'])
   AC_TRY_COMPILE(,[extern __thread int foo;],PER_THREAD='__thread',)
   AC_DEFINE_UNQUOTED(PER_THREAD,$PER_THREAD,[storage class for thread-local variables])
   AC_MSG_RESULT($PER_THREAD)
   
 #try if m4 understands -s  #try if m4 understands -s
 AC_MSG_CHECKING([how to invoke m4])  AC_MSG_CHECKING([how to invoke m4])
 if m4 -s /dev/null >/dev/null 2>&1; then  if m4 -s /dev/null >/dev/null 2>&1; then
Line 614  else Line 699  else
  M4=m4   M4=m4
 fi  fi
 AC_SUBST(M4)  AC_SUBST(M4)
 AC_DEFINE_UNQUOTED(M4,"$M4",[How to invoke m4])  
 AC_MSG_RESULT($M4)  AC_MSG_RESULT($M4)
   
 # Find installed Gforth  # Find installed Gforth
 AC_MSG_CHECKING([for gforth])  AC_MSG_CHECKING([for gforth])
 GFORTH="`cd / && which gforth 2>/dev/null`"  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 "$GFORTH"; then  if test -z "$GFORTH"; then
   PREFORTH='echo "You need to configure with a gforth in \$PATH to build this part" && false'    PREFORTH='echo "You need to configure with a gforth in \$PATH to build this part" && false'
     kernel_anti_dependence=''
 else  else
   PREFORTH="$GFORTH -i `cd / && gforth --debug -e bye 2>&1 |grep "Opened image file: "|sed 's/Opened image file: //'`" ;    PREFORTH="$GFORTH -i `cd / && $GFORTH --debug -e bye 2>&1 |grep "Opened image file: "|sed 's/Opened image file: //'`" ;
     kernel_anti_dependence='$(kernel_fi)'
 fi  fi
 AC_SUBST(PREFORTH)  AC_SUBST(PREFORTH)
 AC_DEFINE_UNQUOTED(PREFORTH,"$PREFORTH",[How to invoke the pre-installed gforth])  AC_SUBST(kernel_anti_dependence)
 AC_MSG_RESULT($PREFORTH)  AC_MSG_RESULT($PREFORTH)
   
 #echo "machine='$machine'"  #echo "machine='$machine'"
   
 dnl AC_CHECK_PROG(asm_fs,asm.fs,arch/$machine/asm.fs,,$srcdir/arch/$machine)  dnl AC_CHECK_PROG(asm_fs,asm.fs,arch/$machine/asm.fs,,$srcdir/arch/$machine)
 AC_CHECK_FILE($srcdir/arch/$machine/asm.fs,[asm_fs=arch/$machine/asm.fs],)  if test x$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)
   
 dnl 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)
 AC_CHECK_FILE($srcdir/arch/$machine/disasm.fs,[disasm_fs=arch/$machine/disasm.fs],)  if test x$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:'],$PATH:/sbin:/usr/sbin:/usr/local/sbin)  AC_PATH_PROG(INSTALL_INFO,install-info,[echo '>>>>Please make info dir entry:'],$PATH:/sbin:/usr/sbin:/usr/local/sbin)
Line 660  case "$host_os" in Line 756  case "$host_os" in
                 DIRSEP="/"                  DIRSEP="/"
                 PATHSEP=":"                  PATHSEP=":"
                 DEFAULTSYSTEMPREFIX=""                  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
                 ;;                  ;;
         *)          *)
                 DIRSEP="/"                  DIRSEP="/"
Line 673  AC_SUBST(PATHSEP) Line 780  AC_SUBST(PATHSEP)
 AC_DEFINE_UNQUOTED(PATHSEP,'$PATHSEP',[a path separator character])  AC_DEFINE_UNQUOTED(PATHSEP,'$PATHSEP',[a path separator character])
 AC_SUBST(DEFAULTSYSTEMPREFIX)  AC_SUBST(DEFAULTSYSTEMPREFIX)
 AC_DEFINE_UNQUOTED(DEFAULTSYSTEMPREFIX,"$DEFAULTSYSTEMPREFIX",[default for environment variable GFORTHSYSTEMPREFIX])  AC_DEFINE_UNQUOTED(DEFAULTSYSTEMPREFIX,"$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>)  #work around SELinux brain damage (from Andrew Haley <12t8f3jakb74g2c@news.supernews.com>)
 #This magic incantation  seems to be completely undocumented.  #This magic incantation  seems to be completely undocumented.
 AC_CHECK_PROG([MASSAGE_EXE],[chcon],[chcon -t unconfined_execmem_exec_t],[true])  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="true"  
 AC_SUBST(GFORTHFAST_EXE)  AC_SUBST(GFORTHFAST_EXE)
 GFORTHFAST_EXE="true"  
 AC_SUBST(GFORTHITC_EXE)  AC_SUBST(GFORTHITC_EXE)
 GFORTHITC_EXE="true"  
 AC_SUBST(GFORTHDITC_EXE)  AC_SUBST(GFORTHDITC_EXE)
 GFORTHDITC_EXE="true"  
   
 AC_SUBST(FORTHSIZES)  AC_SUBST(FORTHSIZES)
   
Line 715  dnl the following macro produces a warni Line 824  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 $ac_cv_c_bigendian != no; then
   bytesex=b    bytesex=b
   KERNEL="kernl16b.fi kernl16l.fi kernl32b.fi kernl32l.fi kernl64b.fi kernl64l.fi"    KERNEL="kernl16b.fi kernl16l.fi kernl32b.fi kernl32l.fi kernl64b.fi kernl64l.fi"
 else  else
Line 727  fi Line 836  fi
 #echo "CFLAGS=$CFLAGS"  #echo "CFLAGS=$CFLAGS"
 #echo "ac_link=$ac_link"  #echo "ac_link=$ac_link"
 AC_MSG_CHECKING([if and how we can waste code space])  AC_MSG_CHECKING([if and how we can waste code space])
 if test -z "$skipcode"; then  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      skipcode=no
     CFLAGS_1="$CFLAGS"      CFLAGS_1="$CFLAGS"
     CFLAGS="$CFLAGS $ENGINE_FLAGS"      CFLAGS="$CFLAGS $ENGINE_FLAGS"
Line 765  then Line 878  then
         no_dynamic_default=1          no_dynamic_default=1
         AC_MSG_WARN(Disabling default dynamic native code generation)          AC_MSG_WARN(Disabling default dynamic native code generation)
     fi      fi
     AC_DEFINE_UNQUOTED(SKIP16,((void)0),statement for skipping 16 bytes)      AC_DEFINE_UNQUOTED(SKIP16,asm(""),statement for skipping 16 bytes)
 else  else
     AC_DEFINE_UNQUOTED(SKIP16,asm("$skipcode"),statement for skipping 16 bytes)      AC_DEFINE_UNQUOTED(SKIP16,asm("$skipcode"),statement for skipping 16 bytes)
 fi  fi
Line 796  AC_PROG_LN_S Line 909  AC_PROG_LN_S
 AC_PROG_INSTALL  AC_PROG_INSTALL
 AC_CHECK_PROGS(TEXI2DVI,texi2dvi4a2ps texi2dvi)  AC_CHECK_PROGS(TEXI2DVI,texi2dvi4a2ps texi2dvi)
   
   dnl check for the presence of Emacs
   AC_CHECK_PROGS(EMACS,emacs xemacs)
   test -n "$EMACS" && gforth_elc=gforth.elc
   AC_SUBST(gforth_elc)
   
 dnl MacOS X has a libtool that does something else  dnl MacOS X has a libtool that does something else
 AC_CHECK_PROGS(GNU_LIBTOOL,glibtool libtool)  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(ltdl,lt_dlinit)  AC_CHECK_LIB(ltdl,lt_dlinit)
 AC_CHECK_LIB(dl,dlopen)  
 dnl check for libffi 2.x  if test -n "$GNU_LIBTOOL" -a $ac_cv_lib_ltdl_lt_dlinit = yes; then
 AC_CHECK_LIB(ffi,ffi_call)    build_libcc_named=build-libcc-named
 if test $ac_cv_lib_ffi_ffi_call = yes  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 "$FFI_H_NAME"; then
     AC_CHECK_HEADER(ffi/ffi.h,FFI_H_NAME=ffi/ffi.h,)
   fi
   AC_SUBST(FFI_H_NAME)
   AC_CHECK_LIB(ffi,ffi_call,LIBS="$LIBS")
   if test -n "$FFI_H_NAME" -a $ac_cv_lib_ffi_ffi_call = yes
 then  then
 LIBFFIFLAG="true"    LIBFFIFLAG="true"
 FFCALLFLAG="false"    LIBCC_BUILD_SRC="$LIBCC_BUILD_SRC libffi.fs"
 OLDCALLFLAG="false"  else
 AC_DEFINE(HAS_LIBFFI,,[define this if you want to use the ffcall interface with libffi 2.0])    LIBFFIFLAG="false"
 else  fi
 dnl check for ffcall libraries  #check for ffcall libraries
 dnl unfortunately, these four calls are separated out into a library each.  #unfortunately, these four calls are separated out into a library each.
 AC_CHECK_LIB(avcall,__builtin_avcall)  AC_CHECK_LIB(avcall,__builtin_avcall,LIBS="$LIBS")
 AC_CHECK_LIB(callback,__vacall_r)  dnl AC_CHECK_LIB(callback,__vacall_r)
 AC_CHECK_LIB(vacall,vacall)  dnl AC_CHECK_LIB(vacall,vacall)
 AC_CHECK_LIB(trampoline,alloc_trampoline)  dnl AC_CHECK_LIB(trampoline,alloc_trampoline)
 LIBFFIFLAG="false"  if test $ac_cv_lib_avcall___builtin_avcall = yes; then
 FFCALLFLAG="false"    FFCALLFLAG="true"
 OLDCALLFLAG="true"    LIBCC_BUILD_SRC="$LIBCC_BUILD_SRC fflib.fs"
 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])  else
 test $ac_cv_lib_avcall___builtin_avcall = no && AC_DEFINE(HAS_OLDCALL,,[define this if you want to use the old call libraries])    FFCALLFLAG="false"
   fi
   if test $LIBFFIFLAG = false -a $FFCALLFLAG = false; then
     AC_MSG_WARN([The (old) lib.fs foreign function interface needs either libffi or the ffcall libraries])
 fi  fi
 AC_SUBST(LIBFFIFLAG)  AC_SUBST(LIBFFIFLAG)
 AC_SUBST(FFCALLFLAG)  AC_SUBST(FFCALLFLAG)
 AC_SUBST(OLDCALLFLAG)  AC_SUBST(LIBCC_BUILD_SRC)
 if test "$host_os" != "nextstep3"  if test "$host_os" != "nextstep3"
 then  then
         AC_FUNC_MEMCMP          AC_FUNC_MEMCMP
Line 843  AC_CHECK_FUNCS(expm1 log1p) Line 984  AC_CHECK_FUNCS(expm1 log1p)
 AC_REPLACE_FUNCS(rint 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${vwordsize}${bytesex}.fi  kernel_fi=kernl${vwordsize}${bytesex}.fi
Line 878  chmod +x vmgen Line 1019  chmod +x vmgen
 chmod +x build-ec  chmod +x build-ec
 chmod +x preforth  chmod +x preforth
 test -d kernel||mkdir kernel  test -d kernel||mkdir kernel
   if test $srcdir != "."; then ln -sf $srcdir/gforth.el .; fi
 $srcdir/mkinstalldirs include/gforth/$PACKAGE_VERSION  $srcdir/mkinstalldirs include/gforth/$PACKAGE_VERSION
 ln -sf ../../../engine/config.h ../../../engine/libcc.h include/gforth/$PACKAGE_VERSION]],[[PACKAGE_VERSION=$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  AC_OUTPUT
   

Removed from v.1.225  
changed lines
  Added in v.1.290


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