Diff for /gforth/configure.in between versions 1.204 and 1.253

version 1.204, 2008/01/04 21:48:53 version 1.253, 2008/10/12 16:23:32
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 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],[0.6.9-20070604],[https://savannah.gnu.org/bugs/?func=addbug&group=gforth])  AC_INIT([gforth],[0.6.9-20081006],[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="June 02, 2007"  UPDATED="October 10, 2008"
 AC_SUBST(UPDATED)  AC_SUBST(UPDATED)
 AC_CONFIG_HEADERS(engine/config.h)  AC_CONFIG_HEADERS(engine/config.h)
   
   #remnants from having ltdl as convenience library
   LTDLDEPS=""
   LTDLINCL=""
   LIBLTDL=""
   LTDL_LDLIBS=""
   AC_SUBST(LTDLDEPS)
   AC_SUBST(LTDLINCL)
   AC_SUBST(LIBLTDL)
   AC_SUBST(LTDL_LDLIBS)
   
 #suppress the "-g -O2" default  #suppress the "-g -O2" default
 test "$CFLAGS" || CFLAGS=-O2  test "$CFLAGS" || CFLAGS=-O2
   
 AC_ARG_ENABLE(force-reg,  
         AC_HELP_STRING([--enable-force-reg],  
                         [ Use explicit register declarations if they appear in  
                           the machine.h file. This can cause a good speedup,  
                           but also incorrect code with some gcc versions on  
                           some processors (default disabled).]),  
         ,enable_force_reg=no)  
 test "$enable_force_reg" = "no"||  
   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_ARG_ENABLE(force-cdiv,  AC_ARG_ENABLE(force-cdiv,
         AC_HELP_STRING([--enable-force-cdiv],          AC_HELP_STRING([--enable-force-cdiv],
                        [  Use the native C division - symmetric - instead of                         [  Use the native C division - symmetric - instead of
Line 108  AC_ARG_VAR(FORTHSIZES, [Gforth command l Line 108  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 123  AC_ARG_VAR(condbranch_opt, [enable (1) o Line 124  AC_ARG_VAR(condbranch_opt, [enable (1) o
 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 "$GCC" = "yes" || AC_MSG_ERROR(Gfor Line 151  test "$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 198  case "$host_cpu" in Line 200  case "$host_cpu" in
                    CFLAGS="$CFLAGS -mthumb -mthumb-interwork"                     CFLAGS="$CFLAGS -mthumb -mthumb-interwork"
                 fi                  fi
                 if test -z $arm_cacheflush; then                  if test -z $arm_cacheflush; then
                     no_dynamic_default=1                     case "$host_os" in
                     arm_cacheflush=arch/arm/cacheflush0                       *linux*)
                     AC_MSG_WARN([No I-cache flush code known, disabling dynamic native code generation])                          arm_cacheflush=arch/arm/cacheflush-linux 
                           ;;
                        *)   
                           no_dynamic_default=1
                           arm_cacheflush=arch/arm/cacheflush0
                           AC_MSG_WARN([No I-cache flush code known, disabling dynamic native code generation])
                           ;;
                      esac
                 fi                  fi
                 AC_LIBSOURCES([../arch/arm/cacheflush0, ../arch/arm/cacheflush1, ../arch/arm/cacheflush2])                  AC_LIBSOURCES([../arch/arm/cacheflush0, dnl
                                  ../arch/arm/cacheflush-linux])
                 AC_LIBOBJ(../$arm_cacheflush)                  AC_LIBOBJ(../$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
Line 294  case "$host_cpu" in Line 304  case "$host_cpu" in
                 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
Line 475  case `expr 2 '*' "$ac_cv_sizeof_char_p"` Line 485  case `expr 2 '*' "$ac_cv_sizeof_char_p"`
   $ac_cv_sizeof_intptr_t)    $ac_cv_sizeof_intptr_t)
     ac_cv_int_type_double_cell="intptr_t"      ac_cv_int_type_double_cell="intptr_t"
     ;;      ;;
   $ac_cv_sizeof_intptr_t)    $ac_cv_sizeof_int128_t)
     ac_cv_int_type_double_cell="intptr_t"  
     ;;  
   $ac_cv_sizeof_intptr_t)  
     ac_cv_int_type_double_cell="int128_t"      ac_cv_int_type_double_cell="int128_t"
     ;;      ;;
 esac  esac
Line 513  if test "$ac_cv_int_type_double_cell" != Line 520  if test "$ac_cv_int_type_double_cell" !=
 then  then
         AC_DEFINE_UNQUOTED(DOUBLE_CELL_TYPE,$ac_cv_int_type_double_cell,[an integer type that is twice as long as a pointer])          AC_DEFINE_UNQUOTED(DOUBLE_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])          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  fi
   
   if grep FORCE_REG 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_TYPE_OFF_T
 AC_CHECK_SIZEOF(off_t)  AC_CHECK_SIZEOF(off_t)
 test $ac_cv_sizeof_off_t -gt $ac_cv_sizeof_char_p  test $ac_cv_sizeof_off_t -gt $ac_cv_sizeof_char_p
Line 595  else Line 618  else
  M4=m4   M4=m4
 fi  fi
 AC_SUBST(M4)  AC_SUBST(M4)
 AC_DEFINE_UNQUOTED(M4,"$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="`which gforth 2>/dev/null`"  GFORTH="`cd / && which gforth 2>/dev/null`"
 if test ! -z "$GFORTH"; then  GFORTH="$GFORTH -m4M" ; fi  (cd / && $GFORTH -e bye >/dev/null 2>/dev/null) || GFORTH=""
 AC_SUBST(GFORTH)  if test -z "$GFORTH"; then
 AC_DEFINE_UNQUOTED(GFORTH,"$GFORTH",[How to invoke gforth])    PREFORTH='echo "You need to configure with a gforth in \$PATH to build this part" && false'
 AC_MSG_RESULT($GFORTH)    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='$machine'"  #echo "machine='$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/$machine/asm.fs],)  AC_CHECK_FILE($srcdir/arch/$machine/asm.fs,[asm_fs=arch/$machine/asm.fs],)
Line 637  case "$host_os" in Line 666  case "$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 650  AC_SUBST(PATHSEP) Line 690  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.
Line 657  AC_CHECK_PROG([MASSAGE_EXE],[chcon],[chc Line 700  AC_CHECK_PROG([MASSAGE_EXE],[chcon],[chc
   
 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="true"
 AC_SUBST(GFORTHFAST_EXE)  AC_SUBST(GFORTHFAST_EXE)
 GFORTHFAST_EXE=""  GFORTHFAST_EXE="true"
 AC_SUBST(GFORTHITC_EXE)  AC_SUBST(GFORTHITC_EXE)
 GFORTHITC_EXE=""  GFORTHITC_EXE="true"
 AC_SUBST(GFORTHDITC_EXE)  AC_SUBST(GFORTHDITC_EXE)
 GFORTHDITC_EXE=""  GFORTHDITC_EXE="true"
   
 AC_SUBST(FORTHSIZES)  AC_SUBST(FORTHSIZES)
   
Line 781  dnl This check is just for making later Line 824  dnl This check is just for making later
 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)  #check for libffi 2.x
 dnl 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)  AC_CHECK_LIB(ffi,ffi_call)
 if test $ac_cv_lib_ffi_ffi_call = yes  if test -n "$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"  
 AC_DEFINE(HAS_LIBFFI,,[define this if you want to use the ffcall interface with libffi 2.0])  
 else  else
 dnl check for ffcall libraries    LIBFFIFLAG="false"
 dnl unfortunately, these four calls are separated out into a library each.  fi
   #check for ffcall libraries
   #unfortunately, these four calls are separated out into a library each.
 AC_CHECK_LIB(avcall,__builtin_avcall)  AC_CHECK_LIB(avcall,__builtin_avcall)
 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 820  AC_CHECK_FUNCS(expm1 log1p) Line 870  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)
 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)
Line 844  gforthmi Line 894  gforthmi
 vmgen  vmgen
 machpc.fs  machpc.fs
 envos.fs  envos.fs
   preforth
 engine/Makefile  engine/Makefile
 engine/libcc.h  engine/libcc.h
 doc/version.texi  doc/version.texi
Line 852  AC_CONFIG_COMMANDS([stamp-h],[[echo time Line 903  AC_CONFIG_COMMANDS([stamp-h],[[echo time
 chmod +x gforthmi  chmod +x gforthmi
 chmod +x vmgen  chmod +x vmgen
 chmod +x build-ec  chmod +x build-ec
   chmod +x preforth
 test -d kernel||mkdir kernel  test -d kernel||mkdir kernel
 $srcdir/mkinstalldirs include/gforth/$PACKAGE_VERSION  $srcdir/mkinstalldirs include/gforth/$PACKAGE_VERSION
 ln -sf ../../../engine/config.h ../../../engine/libcc.h include/gforth/$PACKAGE_VERSION]],[[PACKAGE_VERSION=$PACKAGE_VERSION]])  ln -sf ../../../engine/config.h ../../../engine/libcc.h include/gforth/$PACKAGE_VERSION]],[[PACKAGE_VERSION=$PACKAGE_VERSION]])

Removed from v.1.204  
changed lines
  Added in v.1.253


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