File:  [gforth] / gforth / configure.in
Revision 1.276: download - view: text, annotated - select for diffs
Sat Jan 9 23:45:03 2010 UTC (9 years, 10 months ago) by pazsan
Branches: MAIN
CVS tags: HEAD
Better support for executable conversion

    1: dnl Process this file with autoconf to produce a configure script.
    2: 
    3: #Copyright (C) 1995,1996,1997,1998,2000,2003,2004,2005,2006,2007,2008,2009 Free Software Foundation, Inc.
    4: 
    5: #This file is part of Gforth.
    6: 
    7: #Gforth is free software; you can redistribute it and/or
    8: #modify it under the terms of the GNU General Public License
    9: #as published by the Free Software Foundation, either version 3
   10: #of the License, or (at your option) any later version.
   11: 
   12: #This program is distributed in the hope that it will be useful,
   13: #but WITHOUT ANY WARRANTY; without even the implied warranty of
   14: #MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.#See the
   15: #GNU General Public License for more details.
   16: 
   17: #You should have received a copy of the GNU General Public License
   18: #along with this program. If not, see http://www.gnu.org/licenses/.
   19: 
   20: 
   21: dnl We use some automake macros here,
   22: dnl but don't use automake for creating Makefile.in
   23: AC_INIT([gforth],[0.7.0-20090215],[https://savannah.gnu.org/bugs/?func=addbug&group=gforth])
   24: AC_PREREQ(2.54)
   25: #snapshots have numbers major.minor.release-YYYYMMDD
   26: #note that lexicographic ordering must be heeded.
   27: #I.e., 0.4.1-YYYYMMDD must not exist before 0.4.1!
   28: UPDATED="November 8, 2008"
   29: AC_SUBST(UPDATED)
   30: AC_CONFIG_HEADERS(engine/config.h)
   31: 
   32: #remnants from having ltdl as convenience library
   33: LTDLDEPS=""
   34: LTDLINCL=""
   35: LIBLTDL=""
   36: LTDL_LDLIBS=""
   37: AC_SUBST(LTDLDEPS)
   38: AC_SUBST(LTDLINCL)
   39: AC_SUBST(LIBLTDL)
   40: AC_SUBST(LTDL_LDLIBS)
   41: 
   42: #suppress the "-g -O2" default
   43: test "$CFLAGS" || CFLAGS=-O2
   44: 
   45: AC_ARG_ENABLE(force-cdiv,
   46: 	AC_HELP_STRING([--enable-force-cdiv],
   47: 		       [  Use the native C division - symmetric - instead of
   48: 		          floored division (default disabled).]),
   49: 	,enable_force_cdiv=no)
   50: test "$enable_force_cdiv" = "no"||
   51:   AC_DEFINE(FORCE_CDIV,,[Define if you want to use explicit symmetric division for better performance])
   52: 
   53: AC_SUBST(PROFEXES)
   54: AC_SUBST(PROFOBJS)
   55: AC_ARG_ENABLE(prof,
   56: 	AC_HELP_STRING([--enable-prof],
   57: 			[ Build gforth-prof, which outputs frequently occuring
   58:                           sequences of primitives.]),
   59: 	,enable_prof=no)
   60: if test "$enable_prof" != "no"; then
   61:   PROFEXES='gforth-prof$(OPT)$(EXE)'; PROFOBJS='engine-prof$(OPT).o main-prof$(OPT).o profile$(OPT).o'
   62: fi
   63: 
   64: AC_ARG_WITH(debug,
   65: [  --with-debug		  specifies option -g to compile with debug info
   66:   --without-debug	  omits the -g switch and creates smaller images on
   67: 			  machines where "strip" has problems with gcc style
   68: 			  debugging informations.],
   69: if test "$withval" = "yes"; then DEBUGFLAG=-g; fi)
   70: 
   71: GCC_LD="\$(GCC)"
   72: EC_MODE="false"
   73: NO_EC=""
   74: EC=""
   75: engine2='engine2$(OPT).o'
   76: engine_fast2='engine-fast2$(OPT).o'
   77: no_dynamic=""
   78: image_i=""
   79: signals_o="io.o signals.o"
   80: 
   81: AC_CANONICAL_HOST
   82: AC_ARG_WITH(ec,
   83: 	AC_HELP_STRING([--with-ec=<arch>],
   84: 			[  Build gforth for systems without OS.]),
   85: [if test "$withval" = "no"; then
   86:   echo "defining hosted system"
   87: else
   88:   echo "defining standalone system (${withval})"
   89:   AC_DEFINE(STANDALONE,,[Define if you want a Gforth without OS])
   90:   EC_MODE="true"
   91:   EC="-ec"
   92:   NO_EC="#"
   93:   engine2=""
   94:   engine_fast2=""
   95:   no_dynamic="-DNO_DYNAMIC"
   96:   image_i="image.i"
   97:   if test "$withval" != "yes"; then
   98:     signals_o="io-${withval}.o"
   99:   else
  100:     signals_o="io.o"
  101:   fi
  102:   if test -f "arch/$host_cpu/${withval}/config.sh"; then
  103:     source "arch/$host_cpu/${withval}/config.sh"
  104:   fi
  105:   GCC_PATH=$(which $CC)
  106:   LIB_PATH=${GCC_PATH%/*/*}
  107:   GCC_LD="\$(LD)"
  108:   platform=${withval}
  109: fi])
  110: 
  111: #variables mentioned in INSTALL
  112: AC_ARG_VAR(CC, [The C compiler (must support GNU C 2.x).])
  113: AC_ARG_VAR(FORTHSIZES, [Gforth command line options for the default stack and dictionary sizes (see INSTALL).])
  114: AC_ARG_VAR(STACK_CACHE_REGS, [number of registers in the maximum stack cache state for gforth-fast and gforth-native (default platform-dependent).])
  115: AC_ARG_VAR(STACK_CACHE_DEFAULT_FAST, [number of registers in the default stack cache state for gforth-fast and gforth-native (default 1).])
  116: 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)])
  117: AC_ARG_VAR(LIBCC_BUILD_SRC, [(Additional) libcc interface source files that should be processed on building and installation (default none)])
  118: 
  119: AC_ARG_VAR(ac_cv_sizeof_char_p, [sizeof(char *)])
  120: AC_ARG_VAR(ac_cv_sizeof_void_p, [sizeof(void *)])
  121: AC_ARG_VAR(ac_cv_sizeof_char, [sizeof(char)])
  122: AC_ARG_VAR(ac_cv_sizeof_short, [sizeof(short)])
  123: AC_ARG_VAR(ac_cv_sizeof_int, [sizeof(int)])
  124: AC_ARG_VAR(ac_cv_sizeof_long, [sizeof(long)])
  125: AC_ARG_VAR(ac_cv_sizeof_long_long, [sizeof(long long)])
  126: AC_ARG_VAR(ac_cv_sizeof_intptr_t, [sizeof(intptr_t)])
  127: AC_ARG_VAR(ac_cv_sizeof_int128_t, [sizeof(int128_t)])
  128: AC_ARG_VAR(ac_cv_sizeof_uint128_t, [sizeof(uint128_t)])
  129: AC_ARG_VAR(ac_cv_c_bigendian, [Is the target big-endian ("yes" or "no")?])
  130: AC_ARG_VAR(no_dynamic_default, [run gforth with --dynamic (0) or --no-dynamic (1) by default])
  131: AC_ARG_VAR(condbranch_opt, [enable (1) or disable (0) using two dispatches for conditional branches])
  132: AC_ARG_VAR(skipcode, [assembly code for skipping 16 bytes of code])
  133: AC_ARG_VAR(asmcomment, [assembler comment start string])
  134: AC_ARG_VAR(arm_cacheflush, [file containing ARM cacheflush function (without .c)])
  135: AC_ARG_VAR(LTDL_LIBRARY_PATH, [additional directories for libltdl (for some 64-bit platforms)])
  136: 
  137: #set up feature test macros, so the tests get them right:
  138: # turn on all POSIX, SUSv3, and GNU features if available
  139: AC_GNU_SOURCE
  140: dnl AC_DEFINE_UNQUOTED([_GNU_SOURCE],1,[feature test macro])
  141: 
  142: dnl Don't define _POSIX_SOURCE etc. because some OSs (in particular
  143: dnl MacOSX) disable some features then (MacOSX checks for _POSIX_SOURCE,
  144: dnl but not for _XOPEN_SOURCE)
  145: dnl AC_DEFINE_UNQUOTED([_POSIX_SOURCE],1,[feature test macro])
  146: dnl AC_DEFINE_UNQUOTED([_POSIX_C_SOURCE],199506L,[feature test macro])
  147: dnl AC_DEFINE_UNQUOTED([_XOPEN_SOURCE],600,[feature test macro])
  148: # turn on large file support with 64-bit off_t where available
  149: AC_SYS_LARGEFILE
  150: dnl AC_DEFINE_UNQUOTED([_LARGEFILE_SOURCE],1,[feature test macro])
  151: dnl AC_DEFINE_UNQUOTED([_FILE_OFFSET_BITS],64,[feature test macro])
  152: 
  153: #currently we force direct threading this way.  Eventually we should
  154: #setup in the arch and engine files right
  155: 
  156: AC_PROG_CC
  157: 
  158: test "$GCC" = "yes" || AC_MSG_ERROR(Gforth uses GNU C extensions and requires GCC 2.0 or higher)
  159: 
  160: AC_MSG_CHECKING([whether to use two dispatches per conditional branch])
  161: test x$condbranch_opt = x && 
  162: if ($CC -v 2>&1 |grep 'gcc version 3' >/dev/null); then
  163:    condbranch_opt=0
  164: else
  165:    condbranch_opt=1
  166: fi
  167: AC_MSG_RESULT($condbranch_opt)
  168: AC_SUBST(condbranch_opt)
  169: 
  170: AC_SUBST(CC)
  171: AC_SUBST(GCC_LD)
  172: AC_SUBST(DEBUGFLAG)
  173: AC_SUBST(EC)
  174: AC_SUBST(NO_EC)
  175: AC_SUBST(EC_MODE)
  176: AC_SUBST(engine2)
  177: AC_SUBST(engine_fast2)
  178: AC_SUBST(no_dynamic)
  179: AC_SUBST(image_i)
  180: AC_SUBST(signals_o)
  181: 
  182: #this is used to disable some (not generally essential) part of the
  183: #Makefile that some makes don't grok.  It would be better to test for
  184: #this specific Makefile feature than the make version.
  185: AC_MSG_CHECKING(make type)
  186: make_type=`make -n -v 2>&1|grep 'ake'|sed 's/ake .*/ake/'`
  187: GNUMAKE='#'
  188: test "$make_type" = "GNU Make" && GNUMAKE=''
  189: AC_MSG_RESULT($make_type)
  190: AC_SUBST(GNUMAKE)
  191: 
  192: AC_MSG_CHECKING([whether the linker accepts -export-dynamic])
  193: OLDLDFLAGS=$LDFLAGS
  194: LDFLAGS="$LDFLAGS -export-dynamic"
  195: dnl AC_TRY_LINK gives false positive on rs6000-ibm-aix4.2.1.0
  196: dnl AC_TRY_LINK(,,ac_export_dynamic=yes,ac_export_dynamic=no)
  197: AC_TRY_RUN(main(){exit(0);},ac_export_dynamic=yes,ac_export_dynamic=no,ac_export_dynamic=no)
  198: test $ac_export_dynamic = yes|| LDFLAGS=$OLDLDFLAGS
  199: AC_MSG_RESULT($ac_export_dynamic)
  200: 
  201: #terminology is a bit unusual here: The host is the system on which
  202: #gforth will run; the system on which configure will run is the `build'
  203: case "$host_cpu" in
  204: 	arm*)
  205: 		machine=arm
  206: 		CFLAGS="$CFLAGS -fomit-frame-pointer"
  207: 		if test x$platform = xnxt; then
  208: 		   CFLAGS="$CFLAGS -mthumb -mthumb-interwork"
  209: 		fi
  210: 		if test -z $arm_cacheflush; then
  211: 		   case "$host_os" in
  212: 		     *linux*)
  213: 			AC_LIBOBJ(../arch/arm/cacheflush-linux) 
  214: 			;;
  215: 		     *)   
  216: 			no_dynamic_default=1
  217: 			AC_LIBOBJ(../arch/arm/cacheflush0)
  218: 			AC_MSG_WARN([No I-cache flush code known, disabling dynamic native code generation])
  219: 			;;
  220:                    esac
  221:                 else
  222:                    AC_LIBOBJ(../$arm_cacheflush)
  223:                    test $srcdir = . || AC_MSG_WARN([setting arm_cacheflush requires building in the source directory])
  224: 		fi
  225:                 #longer skipcodes lead to problems on ARM, and it uses
  226:                 #only 4-byte alignment anyway
  227: 		test "$skipcode" || skipcode="nop"
  228: 		;;
  229: 	hppa*)
  230: 		machine=hppa
  231: 		AC_LIBOBJ(../arch/hppa/cache)
  232: 		#-N needed for --dynamic <M4U3b.3790$9d.317@news.cpqcorp.net>
  233: 		LDFLAGS="$LDFLAGS -Xlinker -N"
  234: 		LIBS="$LIBS -L/lib/pa1.1/"
  235: 		;;
  236: 	sparc*)
  237: 		machine=sparc
  238: 		;;
  239: 	i386)
  240: 		machine=386
  241: 		CFLAGS="$CFLAGS -fomit-frame-pointer -fforce-addr"
  242: 		;;
  243: 	i486)
  244: 		machine=386
  245: 		CFLAGS="$CFLAGS -fomit-frame-pointer -fforce-addr -m486"
  246: 		;;
  247: 	i*86)
  248: 		machine=386
  249: 		CFLAGS="$CFLAGS -fomit-frame-pointer -fforce-addr"
  250: 		CFLAGS_1="$CFLAGS"
  251: 		CFLAGS="$CFLAGS -march=pentium"
  252: 		AC_TRY_COMPILE(,,,CFLAGS="$CFLAGS_1 -m486")
  253: 		;;
  254: 	x86_64)
  255: 		case $CC
  256: 		in
  257: 		    *-m32*)
  258: 		    	machine=386
  259: 			CFLAGS="$CFLAGS -fomit-frame-pointer -fforce-addr"
  260: 			CFLAGS_1="$CFLAGS"
  261: 			CFLAGS="$CFLAGS -march=athlon64"
  262: 			;;
  263: 		    *)
  264: 		    	machine=amd64
  265: 			;;
  266: 		esac
  267: 		;;
  268: 	ia64*)
  269: 		machine=ia64
  270: 		AC_LIBOBJ(../arch/ia64/flush_icache_block)
  271: 		test "$skipcode" || skipcode="nop.i 0"
  272: 		#".skip 16" passes the test below,
  273: 		# but gives an assembler error in engine
  274: 		;;
  275:         m68k)
  276: 		machine=m68k
  277: 		CFLAGS="$CFLAGS -fomit-frame-pointer"
  278: 		if test "$host_os" = "nextstep3"
  279: 		then
  280: 			AC_LIBOBJ(termios)
  281: 		fi
  282: 		;;
  283: 	mips*)
  284: 		machine=mips
  285: 		#dynamic native code has the following problems on MIPS:
  286: 		#
  287: 		#1) J/JAL seems relocatable, but is are only
  288: 		#relocatable within a 256MB-segment.  While we try to
  289: 		#get the linker to arrange this, there is no guarantee
  290: 		#that this will succeed (and if the user uses a lot of
  291: 		#memory, it is likely to fail).
  292: 		#
  293: 		#2) The way we generate dynamic native code may
  294: 		#violate MIPS architectural restrictions (in
  295: 		#particular, the delay slots of LW, MFLO, etc.)
  296: 		#
  297: 		#Therefore we disable dynamic native code by default:
  298: 		if test -z "$no_dynamic_default"; then
  299: 		    no_dynamic_default=1
  300: 		    AC_MSG_WARN([Disabling default dynamic native code generation (relocation and delay slot issues)])
  301: 		fi
  302: 		;;
  303: 	alpha*)
  304: 		machine=alpha
  305: 		#full IEEE FP support for more uniformity across platforms:
  306: 		CFLAGS="$CFLAGS -mieee"
  307: 		;;
  308: 	power*|rs6000)
  309: 		machine=power
  310: 		AC_CHECK_FUNC(_sync_cache_range,[true],[AC_LIBOBJ(../arch/power/_sync_cache_range)])
  311: 		#long long is broken on (at least) gcc-2.95.* for PPC
  312: 		test x$ac_cv_sizeof_long_long = x && 
  313: 		($CC -v 2>&1 |grep 'gcc version 2.95' >/dev/null) &&
  314:                      ac_cv_sizeof_long_long=0
  315:                 #The only architecture with enough callee-saved registers
  316:                 test x$STACK_CACHE_REGS = x && STACK_CACHE_REGS=3
  317:                 #or use 2, hardly slower at run-time and starts up faster
  318: 
  319:                 #the skipcode that is normally selected below does not
  320:                 #work with gcc-3.[34]
  321: 		test "$skipcode" || skipcode="nop\nnop\nnop\nnop"
  322: 		;;
  323: 	*)
  324: 		AC_MSG_WARN([Using a generic machine description])
  325: 		AC_MSG_WARN([Assuming C floats and doubles are IEEE floats and doubles (for SF@ DF@ SF! DF!)])
  326: 		AC_MSG_WARN([FLUSH-ICACHE will do nothing, so END-CODE may not work properly!])
  327: 		machine=generic
  328: 		#I-cache flushing would be needed for dynamic code generation
  329: 		if test -z $no_dynamic_default; then
  330: 		    no_dynamic_default=1
  331: 		    AC_MSG_WARN([No I-cache flush code known, disabling dynamic native code generation])
  332: 		fi
  333: esac
  334: AC_SUBST(host)
  335: 
  336: MAKEINC=""
  337: GFORTH_EXE="true"
  338: 
  339: echo "Check for arch/$machine/$platform/gforth.ld ($EC_MODE)"
  340: if test x$EC_MODE = xtrue
  341: then
  342: 	echo "Check for arch/$machine/$platform/gforth.ld"
  343: 	if test -f arch/$machine/$platform/gforth.ld
  344: 	then
  345: 		LDFLAGS="-T ../arch/$machine/$platform/gforth.ld -Map \$@.map -cref --gc-sections $LDFLAGS"
  346: 		if test x$platform = xnxt; then
  347: 			LIBS="$LIB_PATH/lib/gcc/arm-elf/$($CC --version | grep GCC | cut -d' ' -f3)/interwork/libgcc.a $LIB_PATH/arm-elf/lib/interwork/libc.a $LIBS"
  348: 		fi
  349: 	fi
  350: 	if test -f arch/$machine/$platform/make.inc
  351: 	then
  352: 		MAKEINC="include ../arch/$machine/$platform/make.inc"
  353: 		GFORTH_EXE="\$(MAKE) -f arch/$machine/$platform/make.inc \$@.exe"
  354: 	fi
  355: fi
  356: AC_SUBST(MAKEINC)
  357: 
  358: AC_ARG_VAR(STACK_CACHE_REGS, [number of registers in the maximum stack cache state for gforth-fast and gforth-native (default platform-dependent).])
  359: 
  360: test x$STACK_CACHE_REGS = x && STACK_CACHE_REGS=1
  361: AC_DEFINE_UNQUOTED(STACK_CACHE_REGS, $STACK_CACHE_REGS,
  362: 		   [number of registers in the maximum stack cache state for gforth-fast and gforth-native])
  363: test x$STACK_CACHE_DEFAULT_FAST = x && STACK_CACHE_DEFAULT_FAST=1
  364: AC_DEFINE_UNQUOTED(STACK_CACHE_DEFAULT_FAST, $STACK_CACHE_DEFAULT_FAST,
  365: 		   [number of registers in the default stack cache state for gforth-fast and gforth-native])
  366: 
  367: test x$GCC_PR15242_WORKAROUND = x ||
  368: AC_DEFINE_UNQUOTED(GCC_PR15242_WORKAROUND, $GCC_PR15242_WORKAROUND,
  369:                    [force (1) or forbid (0) use of a workaround for a gcc performance bug])
  370: 
  371: dnl the following macro produces a warning with autoconf-2.1
  372: AC_CHECK_SIZEOF(char *)
  373: case "$ac_cv_sizeof_char_p" in
  374:   2)
  375:     wordsize=16
  376:     ;;
  377:   4)
  378:     wordsize=32
  379:     ;;
  380:   8)
  381:     wordsize=64
  382:     ;;
  383: esac
  384: 
  385: AC_CHECK_SIZEOF(void *)
  386: case "$ac_cv_sizeof_void_p" in
  387:   2)
  388:     vwordsize=16
  389:     ;;
  390:   4)
  391:     vwordsize=32
  392:     ;;
  393:   8)
  394:     vwordsize=64
  395:     ;;
  396: esac
  397: 
  398: AC_CHECK_SIZEOF(char)
  399: AC_CHECK_SIZEOF(short)
  400: AC_CHECK_SIZEOF(int)
  401: AC_CHECK_SIZEOF(long)
  402: AC_CHECK_SIZEOF(long long)
  403: AC_CHECK_SIZEOF(intptr_t)
  404: AC_CHECK_SIZEOF(int128_t)
  405: AC_CHECK_SIZEOF(uint128_t)
  406: 
  407: AC_MSG_CHECKING([for a C type for cells])
  408: ac_cv_int_type_cell=none
  409: case "$ac_cv_sizeof_char_p" in
  410:   $ac_cv_sizeof_int)
  411:     ac_cv_int_type_cell=int
  412:     ;;
  413:   $ac_cv_sizeof_short)
  414:     ac_cv_int_type_cell=short
  415:     ;;
  416:   $ac_cv_sizeof_char)
  417:     ac_cv_int_type_cell=char
  418:     ;;
  419:   $ac_cv_sizeof_long)
  420:     ac_cv_int_type_cell=long
  421:     ;;
  422:   $ac_cv_sizeof_long_long)
  423:     ac_cv_int_type_cell="long long"
  424:     ;;
  425:   $ac_cv_sizeof_intptr_t)
  426:     ac_cv_int_type_cell="intptr_t"
  427:     ;;
  428: esac
  429: AC_MSG_RESULT($ac_cv_int_type_cell)
  430: AC_DEFINE_UNQUOTED(CELL_TYPE,$ac_cv_int_type_cell,[an integer type that is as long as a pointer])
  431: 
  432: AC_MSG_CHECKING([for a C type for wydes])
  433: ac_cv_wyde_type_cell=none
  434: case 2 in
  435:   $ac_cv_sizeof_int)
  436:     ac_cv_wyde_type_cell=int
  437:     ;;
  438:   $ac_cv_sizeof_short)
  439:     ac_cv_wyde_type_cell=short
  440:     ;;
  441:   $ac_cv_sizeof_char)
  442:     ac_cv_wyde_type_cell=char
  443:     ;;
  444:   $ac_cv_sizeof_long)
  445:     ac_cv_wyde_type_cell=long
  446:     ;;
  447:   $ac_cv_sizeof_long_long)
  448:     ac_cv_wyde_type_cell="long long"
  449:     ;;
  450:   $ac_cv_sizeof_intptr_t)
  451:     ac_cv_wyde_type_cell="intptr_t"
  452:     ;;
  453: esac
  454: AC_MSG_RESULT($ac_cv_wyde_type_cell)
  455: AC_DEFINE_UNQUOTED(WYDE_TYPE,$ac_cv_wyde_type_cell,[an integer type that is 2 bytes long])
  456: 
  457: AC_MSG_CHECKING([for a C type for tetrabytes])
  458: ac_cv_tetrabyte_type_cell=none
  459: case 4 in
  460:   $ac_cv_sizeof_int)
  461:     ac_cv_tetrabyte_type_cell=int
  462:     ;;
  463:   $ac_cv_sizeof_short)
  464:     ac_cv_tetrabyte_type_cell=short
  465:     ;;
  466:   $ac_cv_sizeof_char)
  467:     ac_cv_tetrabyte_type_cell=char
  468:     ;;
  469:   $ac_cv_sizeof_long)
  470:     ac_cv_tetrabyte_type_cell=long
  471:     ;;
  472:   $ac_cv_sizeof_long_long)
  473:     ac_cv_tetrabyte_type_cell="long long"
  474:     ;;
  475:   $ac_cv_sizeof_intptr_t)
  476:     ac_cv_tetrabyte_type_cell="intptr_t"
  477:     ;;
  478: esac
  479: AC_MSG_RESULT($ac_cv_tetrabyte_type_cell)
  480: AC_DEFINE_UNQUOTED(TETRABYTE_TYPE,$ac_cv_tetrabyte_type_cell,[an integer type that is 4 bytes long])
  481: 
  482: AC_MSG_CHECKING([for a C type for double-cells])
  483: ac_cv_int_type_double_cell=none
  484: case `expr 2 '*' "$ac_cv_sizeof_char_p"` in
  485:   $ac_cv_sizeof_short)
  486:     ac_cv_int_type_double_cell=short
  487:     ;;
  488:   $ac_cv_sizeof_int)
  489:     ac_cv_int_type_double_cell=int
  490:     ;;
  491:   $ac_cv_sizeof_long)
  492:     ac_cv_int_type_double_cell=long
  493:     ;;
  494:   $ac_cv_sizeof_long_long)
  495:     ac_cv_int_type_double_cell="long long"
  496:     ;;
  497:   $ac_cv_sizeof_intptr_t)
  498:     ac_cv_int_type_double_cell="intptr_t"
  499:     ;;
  500:   $ac_cv_sizeof_int128_t)
  501:     ac_cv_int_type_double_cell="int128_t"
  502:     ;;
  503: esac
  504: AC_MSG_RESULT($ac_cv_int_type_double_cell)
  505: 
  506: AC_MSG_CHECKING([for a C type for unsigned double-cells])
  507: ac_cv_int_type_double_ucell=none
  508: case `expr 2 '*' "$ac_cv_sizeof_char_p"` in
  509:   $ac_cv_sizeof_short)
  510:     ac_cv_int_type_double_ucell="unsigned short"
  511:     ;;
  512:   $ac_cv_sizeof_int)
  513:     ac_cv_int_type_double_ucell="unsigned int"
  514:     ;;
  515:   $ac_cv_sizeof_long)
  516:     ac_cv_int_type_double_ucell="unsigned long"
  517:     ;;
  518:   $ac_cv_sizeof_long_long)
  519:     ac_cv_int_type_double_ucell="unsigned long long"
  520:     ;;
  521:   $ac_cv_sizeof_intptr_t)
  522:     ac_cv_int_type_double_ucell="unsigned intptr_t"
  523:     ;;
  524:   $ac_cv_sizeof_uint128_t)
  525:     ac_cv_int_type_double_ucell="uint128_t"
  526:     ;;
  527: esac
  528: AC_MSG_RESULT($ac_cv_int_type_double_ucell)
  529: 
  530: if test "$ac_cv_int_type_double_cell" != none && \
  531:    test "$ac_cv_int_type_double_ucell" != none
  532: then
  533: 	AC_DEFINE_UNQUOTED(DOUBLE_CELL_TYPE,$ac_cv_int_type_double_cell,[an integer type that is twice as long as a pointer])
  534: 	AC_DEFINE_UNQUOTED(DOUBLE_UCELL_TYPE,$ac_cv_int_type_double_ucell,[an unsigned integer type that is twice as long as a pointer])
  535:         OPTS=-ll
  536: else
  537:         if test "$ac_cv_sizeof_char_p" = 8; then
  538:            OPTS="-ll -noll"
  539:         else
  540:            OPTS=-noll
  541:         fi
  542: fi
  543: 
  544: if grep FORCE_REG $srcdir/arch/$machine/machine.h >/dev/null; then
  545:    OPTS2=''
  546:    for i in $OPTS; do OPTS2="$OPTS2 $i-reg"; done
  547:    OPTS="$OPTS2 $OPTS"
  548: else
  549:   AC_DEFINE_UNQUOTED(FORCE_REG_UNNECESSARY,,[defined if the platform does not need FORCE_REG])
  550: fi
  551: AC_SUBST(OPTS)
  552: 
  553: AC_TYPE_OFF_T
  554: AC_CHECK_SIZEOF(off_t)
  555: test $ac_cv_sizeof_off_t -gt $ac_cv_sizeof_char_p
  556: ac_small_off_t=$?
  557: AC_DEFINE_UNQUOTED(SMALL_OFF_T,$ac_small_off_t,[1 if off_t fits in a Cell])
  558: 
  559: ENGINE_FLAGS=
  560: AC_SUBST(ENGINE_FLAGS)
  561: 
  562: # Try if GCC understands -fno-gcse
  563: 
  564: AC_MSG_CHECKING([if $CC understands -fno-gcse])
  565: CFLAGS_1="$CFLAGS"
  566: CFLAGS="$CFLAGS -fno-gcse"
  567: AC_TRY_COMPILE(,,ac_nogcse=yes;ENGINE_FLAGS="$ENGINE_FLAGS -fno-gcse",ac_nogcse=no)
  568: CFLAGS="$CFLAGS_1"
  569: AC_MSG_RESULT($ac_nogcse)
  570: 
  571: # Try if GCC understands -fno-strict-aliasing
  572: AC_MSG_CHECKING([if $CC understands -fno-strict-aliasing])
  573: CFLAGS_1="$CFLAGS"
  574: CFLAGS="$CFLAGS -fno-strict-aliasing"
  575: AC_TRY_COMPILE(,,ac_nostrictaliasing=yes;ENGINE_FLAGS="$ENGINE_FLAGS -fno-strict-aliasing",ac_nostrictaliasing=no)
  576: CFLAGS="$CFLAGS_1"
  577: AC_MSG_RESULT($ac_nostrictaliasing)
  578: 
  579: # Try if GCC understands -fno-crossjumping
  580: AC_MSG_CHECKING([if $CC understands -fno-crossjumping])
  581: CFLAGS_1="$CFLAGS"
  582: CFLAGS="$CFLAGS -fno-crossjumping"
  583: AC_TRY_COMPILE(,,ac_nocrossjumping=yes;ENGINE_FLAGS="$ENGINE_FLAGS -fno-crossjumping",ac_nocrossjumping=no)
  584: CFLAGS="$CFLAGS_1"
  585: AC_MSG_RESULT($ac_nocrossjumping)
  586: 
  587: # Try if GCC understands -fno-reorder-blocks
  588: AC_MSG_CHECKING([if $CC understands -fno-reorder-blocks])
  589: CFLAGS_1="$CFLAGS"
  590: CFLAGS="$CFLAGS -fno-reorder-blocks"
  591: AC_TRY_COMPILE(,,ac_noreorder_blocks=yes;ENGINE_FLAGS="$ENGINE_FLAGS -fno-reorder-blocks",ac_noreorder_blocks=no)
  592: CFLAGS="$CFLAGS_1"
  593: AC_MSG_RESULT($ac_noreorder_blocks)
  594: 
  595: # Try if GCC understands -falign-labels=1
  596: AC_MSG_CHECKING([if $CC understands -falign-labels=1])
  597: CFLAGS_1="$CFLAGS"
  598: CFLAGS="$CFLAGS -falign-labels=1"
  599: AC_TRY_COMPILE(,,ac_align_labels=yes;ENGINE_FLAGS="$ENGINE_FLAGS -falign-labels=1",ac_align_labels=no)
  600: CFLAGS="$CFLAGS_1"
  601: AC_MSG_RESULT($ac_align_labels)
  602: 
  603: # Try if GCC understands -falign-loops=1
  604: AC_MSG_CHECKING([if $CC understands -falign-loops=1])
  605: CFLAGS_1="$CFLAGS"
  606: CFLAGS="$CFLAGS -falign-loops=1"
  607: AC_TRY_COMPILE(,,ac_align_loops=yes;ENGINE_FLAGS="$ENGINE_FLAGS -falign-loops=1",ac_align_loops=no)
  608: CFLAGS="$CFLAGS_1"
  609: AC_MSG_RESULT($ac_align_loops)
  610: 
  611: # Try if GCC understands -falign-jumps=1
  612: AC_MSG_CHECKING([if $CC understands -falign-jumps=1])
  613: CFLAGS_1="$CFLAGS"
  614: CFLAGS="$CFLAGS -falign-jumps=1"
  615: AC_TRY_COMPILE(,,ac_align_jumps=yes;ENGINE_FLAGS="$ENGINE_FLAGS -falign-jumps=1",ac_align_jumps=no)
  616: CFLAGS="$CFLAGS_1"
  617: AC_MSG_RESULT($ac_align_jumps)
  618: 
  619: if test -z "$LIBTOOL_CC"
  620: then
  621:   LIBTOOL_CC="$CC"
  622:   # Try if GCC understands -Wimplicit-function-declaration
  623:   AC_MSG_CHECKING([if $CC understands -Wimplicit-function-declaration])
  624:   CFLAGS_1="$CFLAGS"
  625:   CFLAGS="$CFLAGS -Wimplicit-function-declaration"
  626:   AC_TRY_COMPILE(,,LIBTOOL_CC="$CC -Wimplicit-function-declaration",)
  627:   CFLAGS="$CFLAGS_1"
  628:   AC_MSG_RESULT($ac_align_jumps)
  629: fi
  630: AC_SUBST(LIBTOOL_CC)
  631: 
  632: 
  633: 
  634: # Try if GCC understands __attribute__((unused))
  635: AC_MSG_CHECKING([how to suppress 'unused variable' warnings])
  636: AC_TRY_COMPILE(,[int __attribute__((unused)) foo;], MAYBE_UNUSED='__attribute__((unused))',)
  637: AC_DEFINE_UNQUOTED(MAYBE_UNUSED,$MAYBE_UNUSED,[attribute for possibly unused variables])
  638: AC_MSG_RESULT($MAYBE_UNUSED)
  639: 
  640: #try if m4 understands -s
  641: AC_MSG_CHECKING([how to invoke m4])
  642: if m4 -s /dev/null >/dev/null 2>&1; then
  643:  M4="m4 -s"
  644: else
  645:  M4=m4
  646: fi
  647: AC_SUBST(M4)
  648: AC_MSG_RESULT($M4)
  649: 
  650: # Find installed Gforth
  651: AC_MSG_CHECKING([for gforth])
  652: GFORTH="`cd / && which gforth 2>/dev/null`"
  653: #the "$srcdir" = "." test defends agains the "../" bug in gforth-0.6.2
  654: (cd / && $GFORTH -e bye >/dev/null 2>/dev/null  && test "$srcdir" = ".") || GFORTH=""
  655: if test -z "$GFORTH"; then
  656:   PREFORTH='echo "You need to configure with a gforth in \$PATH to build this part" && false'
  657:   kernel_anti_dependence=''
  658: else
  659:   PREFORTH="$GFORTH -i `cd / && $GFORTH --debug -e bye 2>&1 |grep "Opened image file: "|sed 's/Opened image file: //'`" ;
  660:   kernel_anti_dependence='$(kernel_fi)'
  661: fi
  662: AC_SUBST(PREFORTH)
  663: AC_SUBST(kernel_anti_dependence)
  664: AC_MSG_RESULT($PREFORTH)
  665: 
  666: #echo "machine='$machine'"
  667: 
  668: dnl AC_CHECK_PROG(asm_fs,asm.fs,arch/$machine/asm.fs,,$srcdir/arch/$machine)
  669: if test x$EC_MODE = xfalse
  670: then
  671:   AC_CHECK_FILE($srcdir/arch/$machine/asm.fs,[asm_fs=arch/$machine/asm.fs],)
  672: fi
  673: AC_SUBST(asm_fs)
  674: 
  675: dnl AC_CHECK_PROG(disasm_fs,disasm.fs,arch/$machine/disasm.fs,,$srcdir/arch/$machine)
  676: if test x$EC_MODE = xfalse
  677: then
  678:   AC_CHECK_FILE($srcdir/arch/$machine/disasm.fs,[disasm_fs=arch/$machine/disasm.fs],)
  679: fi
  680: AC_SUBST(disasm_fs)
  681: 
  682: AC_PATH_PROG(INSTALL_INFO,install-info,[echo '>>>>Please make info dir entry:'],$PATH:/sbin:/usr/sbin:/usr/local/sbin)
  683: 
  684: case "$host_os" in
  685: 	*win32*)
  686: 		# !!!FIXME!!! problems with cygwin and ';' as path separator
  687: 		DIRSEP="\\\\"
  688: 		PATHSEP=";"
  689: 		#we want the builtins of command.com/cmd.exe and its
  690: 		# handling of .com files.
  691: 		#$COMSPEC contains the name of the Windows shell;
  692: 		# the ./ is there, because the bash does not recognize
  693: 		# absolute DOS filenames
  694: 		DEFAULTSYSTEMPREFIX="./$COMSPEC /c "
  695: 		;;
  696: 	*darwin*)
  697: 		#Darwin uses some funny preprocessor by default; eliminate it:
  698: 		AC_MSG_NOTICE([using -no-cpp-precomp on Darwin])
  699: 		CFLAGS="$CFLAGS -no-cpp-precomp"
  700: 		DIRSEP="/"
  701: 		PATHSEP=":"
  702: 		DEFAULTSYSTEMPREFIX=""
  703:                 #the following magic value was suggested by
  704:                 #http://mail.python.org/pipermail/pythonmac-sig/2005-October/015190.html
  705:                 AC_DEFINE_UNQUOTED(MACOSX_DEPLOYMENT_TARGET,"10.3",[an environment variable value needed by libtool on some MacOS X versions])
  706: 		;;
  707: 	*linux*)
  708: 		DIRSEP="/"
  709: 		PATHSEP=":"
  710: 		DEFAULTSYSTEMPREFIX=""
  711: 		if test -z "$LTDL_LIBRARY_PATH" -a "$wordsize" = 64; then
  712: 		   LTDL_LIBRARY_PATH=`/sbin/ldconfig -p |tail -n +2 |sed 's/^.* => //'|sed 's|/[[^/]]*$||'| grep 64 | sort -u | tr '\n' : | sed -e 's/:$//'`
  713: 		fi
  714: 		;;
  715: 	*)
  716: 		DIRSEP="/"
  717: 		PATHSEP=":"
  718: 		DEFAULTSYSTEMPREFIX=""
  719: 		;;
  720: esac
  721: AC_SUBST(DIRSEP)
  722: AC_DEFINE_UNQUOTED(DIRSEP,'$DIRSEP',[a directory separator character])
  723: AC_SUBST(PATHSEP)
  724: AC_DEFINE_UNQUOTED(PATHSEP,'$PATHSEP',[a path separator character])
  725: AC_SUBST(DEFAULTSYSTEMPREFIX)
  726: AC_DEFINE_UNQUOTED(DEFAULTSYSTEMPREFIX,"$DEFAULTSYSTEMPREFIX",[default for environment variable GFORTHSYSTEMPREFIX])
  727: if test -n "$LTDL_LIBRARY_PATH"; then
  728:    AC_DEFINE_UNQUOTED(LTDL_LIBRARY_PATH,"$LTDL_LIBRARY_PATH",[Define LTDL_LIBRARY_PATH for 64 bit Linux])
  729: fi                                                                
  730: 
  731: #work around SELinux brain damage (from Andrew Haley <12t8f3jakb74g2c@news.supernews.com>)
  732: #This magic incantation  seems to be completely undocumented.
  733: AC_CHECK_PROG([MASSAGE_EXE],[chcon],[chcon -t unconfined_execmem_exec_t],[true])
  734: 
  735: dnl Now a little support for DOS/DJGCC
  736: GFORTHFAST_EXE="$GFORTH_EXE"
  737: GFORTHITC_EXE="$GFORTH_EXE"
  738: GFORTHDITC_EXE="$GFORTH_EXE"
  739: AC_SUBST(GFORTH_EXE)
  740: AC_SUBST(GFORTHFAST_EXE)
  741: AC_SUBST(GFORTHITC_EXE)
  742: AC_SUBST(GFORTHDITC_EXE)
  743: 
  744: AC_SUBST(FORTHSIZES)
  745: 
  746: dnl if test "$PEEPHOLE" = "yes"
  747: dnl then
  748: dnl    PEEPHOLEFLAG="true"
  749: dnl    AC_DEFINE(HAS_PEEPHOLE,,[Define if you want to use peephole optimization])
  750: dnl else
  751: dnl    PEEPHOLEFLAG="false"
  752: dnl fi
  753: PEEPHOLEFLAG="true"
  754: AC_SUBST(PEEPHOLEFLAG)
  755: 
  756: dnl copy commands for systems that don't have links
  757: AC_SUBST(LINK_KERNL)
  758: LINK_KERNL=""
  759: 
  760: #if test $host_os=dos
  761: #then
  762: #  echo Configuring for DOS!!!
  763: #  MAKE_EXE="coff2exe gforth"
  764: #  LINK_KERNL='$(CP) kernl32l.fi kernel.fi'
  765: #fi
  766: 
  767: dnl the following macro produces a warning with autoconf-2.1
  768: AC_C_BIGENDIAN
  769: AC_SUBST(KERNEL)
  770: dnl ac_cv_c_bigendian is an undocumented variable of autoconf-2.1
  771: if test $ac_cv_c_bigendian != no; then
  772:   bytesex=b
  773:   KERNEL="kernl16b.fi kernl16l.fi kernl32b.fi kernl32l.fi kernl64b.fi kernl64l.fi"
  774: else
  775:   bytesex=l
  776:   KERNEL="kernl16l.fi kernl16b.fi kernl32l.fi kernl32b.fi kernl64l.fi kernl64b.fi"
  777: fi
  778: 
  779: #check how to do asm(".skip 16")
  780: #echo "CFLAGS=$CFLAGS"
  781: #echo "ac_link=$ac_link"
  782: AC_MSG_CHECKING([if and how we can waste code space])
  783: if test -z "$skipcode"; then
  784:     skipcode=no
  785:     CFLAGS_1="$CFLAGS"
  786:     CFLAGS="$CFLAGS $ENGINE_FLAGS"
  787:     for i in ".skip 16" ".block 16" ".org .+16" ".=.+16" ".space 16"
  788:     do
  789: 	AC_TRY_RUN(
  790: [int foo(int,int,int);
  791: main()
  792: {
  793:   exit(foo(0,0,0)!=16);
  794: }
  795: int foo(int x, int y, int z)
  796: {
  797:   static void *labels[]={&&label1, &&label2};
  798:   if (x) {
  799:     y++; /* workaround for http://gcc.gnu.org/bugzilla/show_bug.cgi?id=12108 */
  800:   label1:
  801:     asm("$i"); /* or ".space 16" or somesuch */
  802:   label2: ;
  803:   }
  804:   {
  805:   if (y) goto *labels[z]; /* workaround for gcc PR12108 */
  806:   return labels[1]-labels[0];
  807:   }
  808: }]
  809: 	,skipcode=$i; break
  810: 	,,)
  811:     done
  812:     CFLAGS=$CFLAGS_1
  813: fi
  814: AC_MSG_RESULT($skipcode)
  815: if test "$skipcode" = no
  816: then 
  817:     if test -z $no_dynamic_default; then
  818: 	no_dynamic_default=1
  819: 	AC_MSG_WARN(Disabling default dynamic native code generation)
  820:     fi
  821:     AC_DEFINE_UNQUOTED(SKIP16,((void)0),statement for skipping 16 bytes)
  822: else
  823:     AC_DEFINE_UNQUOTED(SKIP16,asm("$skipcode"),statement for skipping 16 bytes)
  824: fi
  825: 
  826: AC_MSG_CHECKING([if and how we can do comments in asm statements])
  827: #the point here is to get asm statements that look different to
  828: #gcc's "optimizer"
  829: if test -z "$asmcomment"; then
  830:     asmcomment=no
  831:     CFLAGS_1="$CFLAGS"
  832:     CFLAGS="$CFLAGS $ENGINE_FLAGS"
  833:     for i in '"# "' '"! "' '"; "'; do
  834: 	AC_TRY_COMPILE(,[asm($i"fluffystunk");],asmcomment=$i; break,)
  835:     done
  836:     CFLAGS=$CFLAGS_1
  837: fi
  838: AC_MSG_RESULT($asmcomment)
  839: if test "$asmcomment" != no
  840: then 
  841:     AC_DEFINE_UNQUOTED(ASMCOMMENT,$asmcomment,[assembler comment start string])
  842: fi
  843: 
  844: test "$no_dynamic_default" || no_dynamic_default=0
  845: AC_DEFINE_UNQUOTED(NO_DYNAMIC_DEFAULT,$no_dynamic_default,default value for no_dynamic)
  846: 
  847: dnl Checks for programs.
  848: AC_PROG_LN_S
  849: AC_PROG_INSTALL
  850: AC_CHECK_PROGS(TEXI2DVI,texi2dvi4a2ps texi2dvi)
  851: 
  852: dnl MacOS X has a libtool that does something else
  853: AC_CHECK_PROGS(GNU_LIBTOOL,"glibtool --tag=CC" libtool)
  854: 
  855: dnl Checks for library functions
  856: dnl This check is just for making later checks link with libm.
  857: dnl using sin here is no good idea since it is built-into gcc and typechecked
  858: AC_CHECK_LIB(m,asin)
  859: AC_CHECK_LIB(ltdl,lt_dlinit)
  860: 
  861: if test -n "$GNU_LIBTOOL" -a $ac_cv_lib_ltdl_lt_dlinit = yes; then
  862:   build_libcc_named=build-libcc-named
  863: else
  864:   build_libcc_named=""
  865:   AC_MSG_WARN([No GNU_LIBTOOL found, skip pre-building libcc-based libraries])
  866: fi
  867: AC_SUBST(build_libcc_named)
  868: 
  869: 
  870: if test -z "$GNU_LIBTOOL"; then
  871:   AC_MSG_WARN([No GNU_LIBTOOL found, using "libtool" as name.])
  872:   AC_MSG_WARN([libcc.fs won't work until you have installed (GNU) libtool.])
  873:   GNU_LIBTOOL=libtool
  874: fi
  875: 
  876: #check for libffi 2.x
  877: AC_CHECK_HEADER(ffi.h,FFI_H_NAME=ffi.h,)
  878: if test -z "$FFI_H_NAME"; then
  879:   AC_CHECK_HEADER(ffi/ffi.h,FFI_H_NAME=ffi/ffi.h,)
  880: fi
  881: AC_SUBST(FFI_H_NAME)
  882: AC_CHECK_LIB(ffi,ffi_call)
  883: if test -n "$FFI_H_NAME" -a $ac_cv_lib_ffi_ffi_call = yes
  884: then
  885:   LIBFFIFLAG="true"
  886:   LIBCC_BUILD_SRC="$LIBCC_BUILD_SRC libffi.fs"
  887: else
  888:   LIBFFIFLAG="false"
  889: fi
  890: #check for ffcall libraries
  891: #unfortunately, these four calls are separated out into a library each.
  892: AC_CHECK_LIB(avcall,__builtin_avcall)
  893: dnl AC_CHECK_LIB(callback,__vacall_r)
  894: dnl AC_CHECK_LIB(vacall,vacall)
  895: dnl AC_CHECK_LIB(trampoline,alloc_trampoline)
  896: if test $ac_cv_lib_avcall___builtin_avcall = yes; then
  897:   FFCALLFLAG="true"
  898:   LIBCC_BUILD_SRC="$LIBCC_BUILD_SRC fflib.fs"
  899: else
  900:   FFCALLFLAG="false"
  901: fi
  902: if test $LIBFFIFLAG = false -a $FFCALLFLAG = false; then
  903:   AC_MSG_WARN([The (old) lib.fs foreign function interface needs either libffi or the ffcall libraries])
  904: fi
  905: AC_SUBST(LIBFFIFLAG)
  906: AC_SUBST(FFCALLFLAG)
  907: AC_SUBST(LIBCC_BUILD_SRC)
  908: if test "$host_os" != "nextstep3"
  909: then
  910: 	AC_FUNC_MEMCMP
  911: fi
  912: AC_REPLACE_FUNCS(memmove strtoul pow10 strerror strsignal atanh)
  913: AC_FUNC_FSEEKO
  914: AC_CHECK_FUNCS(ftello dlopen sys_siglist getrusage nanosleep)
  915: AC_CHECK_TYPES(stack_t,,,[#include <signal.h>])
  916: AC_DECL_SYS_SIGLIST
  917: AC_CHECK_FUNC(getopt_long,[true],[AC_LIBOBJ(getopt) AC_LIBOBJ(getopt1)])
  918: AC_CHECK_FUNCS(expm1 log1p)
  919: AC_REPLACE_FUNCS(rint ecvt)
  920: dnl No check for select, because our replacement is no good under
  921: dnl anything but DOS
  922: AC_CHECK_HEADERS(sys/mman.h fnmatch.h alloca.h wchar.h)
  923: AC_FUNC_FNMATCH
  924: test $ac_cv_func_fnmatch_works = yes || AC_LIBOBJ(fnmatch)
  925: AC_CHECK_FUNCS(mmap sysconf getpagesize wcwidth)
  926: AM_PATH_LISPDIR
  927: 
  928: kernel_fi=kernl${vwordsize}${bytesex}.fi
  929: include_fi=kernl${wordsize}${bytesex}${EC}.fi
  930: AC_SUBST(kernel_fi)
  931: AC_SUBST(include_fi)
  932: 
  933: #this breaks bindists
  934: #dnl replace srource directory by absolute value
  935: #if test $srcdir = "."; then srcdir=`pwd` 
  936: #fi
  937: 
  938: AC_SUBST(machine)
  939: AC_CONFIG_FILES([
  940: Makefile
  941: Makedist
  942: gforthmi
  943: vmgen
  944: machpc.fs
  945: envos.fs
  946: preforth
  947: engine/Makefile
  948: engine/libcc.h
  949: doc/version.texi
  950: build-ec ])
  951: AC_CONFIG_COMMANDS([stamp-h],[[echo timestamp > stamp-h
  952: chmod +x gforthmi
  953: chmod +x vmgen
  954: chmod +x build-ec
  955: chmod +x preforth
  956: test -d kernel||mkdir kernel
  957: if test $srcdir != "."; then ln -sf $srcdir/gforth.el .; fi
  958: $srcdir/mkinstalldirs include/gforth/$PACKAGE_VERSION
  959: $srcdir/mkinstalldirs arch/$machine
  960: ln -sf ../../../engine/config.h ../../../engine/libcc.h include/gforth/$PACKAGE_VERSION]],
  961: [PACKAGE_VERSION=$PACKAGE_VERSION
  962:  machine=$machine])
  963: AC_OUTPUT

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