File:  [gforth] / gforth / configure.in
Revision 1.281: download - view: text, annotated - select for diffs
Sat Aug 7 15:05:40 2010 UTC (9 years, 2 months ago) by dvdkhlng
Branches: MAIN
CVS tags: HEAD
Make dynamic superinstructions work for MIPS by defining a
architecture-specific test macro CHECK_PRIM() that return whether a memory
region might contain non-relocatable code.  On MIPS that check is implementad
as a simple comparison against a blacklist of problematic opcodes.

    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],[0.7.0-20100807],[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 "$host_os" = "nextstep3"
  279: 		then
  280: 			AC_LIBOBJ(termios)
  281: 		fi
  282: 		;;
  283: 	mips*)
  284: 		machine=mips
  285: 		AC_LIBOBJ(../arch/mips/check_prim) 
  286: 		#dynamic native code has the following problems on MIPS:
  287: 		#
  288: 		#1) J/JAL seems relocatable, but is are only
  289: 		#relocatable within a 256MB-segment.  While we try to
  290: 		#get the linker to arrange this, there is no guarantee
  291: 		#that this will succeed (and if the user uses a lot of
  292: 		#memory, it is likely to fail).
  293: 		#
  294: 		#2) The way we generate dynamic native code may
  295: 		#violate MIPS architectural restrictions (in
  296: 		#particular, the delay slots of LW, MFLO, etc.)
  297: 		#
  298: 		#Therefore we disable dynamic native code by default:
  299: 		if test -z "$no_dynamic_default"; then
  300: 		    no_dynamic_default=1
  301: 		    AC_MSG_WARN([Disabling default dynamic native code generation (relocation and delay slot issues)])
  302: 		fi
  303: 		;;
  304: 	alpha*)
  305: 		machine=alpha
  306: 		#full IEEE FP support for more uniformity across platforms:
  307: 		CFLAGS="$CFLAGS -mieee"
  308: 		;;
  309: 	power*|rs6000)
  310: 		machine=power
  311: 		AC_CHECK_FUNC(_sync_cache_range,[true],[AC_LIBOBJ(../arch/power/_sync_cache_range)])
  312: 		#long long is broken on (at least) gcc-2.95.* for PPC
  313: 		test x$ac_cv_sizeof_long_long = x && 
  314: 		($CC -v 2>&1 |grep 'gcc version 2.95' >/dev/null) &&
  315:                      ac_cv_sizeof_long_long=0
  316:                 #The only architecture with enough callee-saved registers
  317:                 test x$STACK_CACHE_REGS = x && STACK_CACHE_REGS=3
  318:                 #or use 2, hardly slower at run-time and starts up faster
  319: 
  320:                 #the skipcode that is normally selected below does not
  321:                 #work with gcc-3.[34]
  322: 		test "$skipcode" || skipcode="nop\nnop\nnop\nnop"
  323: 		;;
  324: 	*)
  325: 		AC_MSG_WARN([Using a generic machine description])
  326: 		AC_MSG_WARN([Assuming C floats and doubles are IEEE floats and doubles (for SF@ DF@ SF! DF!)])
  327: 		AC_MSG_WARN([FLUSH-ICACHE will do nothing, so END-CODE may not work properly!])
  328: 		machine=generic
  329: 		#I-cache flushing would be needed for dynamic code generation
  330: 		if test -z $no_dynamic_default; then
  331: 		    no_dynamic_default=1
  332: 		    AC_MSG_WARN([No I-cache flush code known, disabling dynamic native code generation])
  333: 		fi
  334: esac
  335: AC_SUBST(host)
  336: 
  337: MAKEINC=""
  338: GFORTH_EXE="true"
  339: 
  340: echo "Check for arch/$machine/$platform/gforth.ld ($EC_MODE)"
  341: if test x$EC_MODE = xtrue
  342: then
  343: 	echo "Check for arch/$machine/$platform/gforth.ld"
  344: 	if test -f arch/$machine/$platform/gforth.ld
  345: 	then
  346: 		LDFLAGS="-T ../arch/$machine/$platform/gforth.ld -Map \$@.map -cref --gc-sections $LDFLAGS"
  347: 		if test x$platform = xnxt; then
  348: 			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 $LIBS"
  349: 		fi
  350: 	fi
  351: 	if test -f arch/$machine/$platform/make.inc
  352: 	then
  353: 		MAKEINC="include ../arch/$machine/$platform/make.inc"
  354: 		GFORTH_EXE="\$(MAKE) -f arch/$machine/$platform/make.inc \$@.exe"
  355: 	fi
  356: fi
  357: AC_SUBST(MAKEINC)
  358: 
  359: AC_ARG_VAR(STACK_CACHE_REGS, [number of registers in the maximum stack cache state for gforth-fast and gforth-native (default platform-dependent).])
  360: 
  361: test x$STACK_CACHE_REGS = x && STACK_CACHE_REGS=1
  362: AC_DEFINE_UNQUOTED(STACK_CACHE_REGS, $STACK_CACHE_REGS,
  363: 		   [number of registers in the maximum stack cache state for gforth-fast and gforth-native])
  364: test x$STACK_CACHE_DEFAULT_FAST = x && STACK_CACHE_DEFAULT_FAST=1
  365: AC_DEFINE_UNQUOTED(STACK_CACHE_DEFAULT_FAST, $STACK_CACHE_DEFAULT_FAST,
  366: 		   [number of registers in the default stack cache state for gforth-fast and gforth-native])
  367: 
  368: test x$GCC_PR15242_WORKAROUND = x ||
  369: AC_DEFINE_UNQUOTED(GCC_PR15242_WORKAROUND, $GCC_PR15242_WORKAROUND,
  370:                    [force (1) or forbid (0) use of a workaround for a gcc performance bug])
  371: 
  372: dnl the following macro produces a warning with autoconf-2.1
  373: AC_CHECK_SIZEOF(char *)
  374: case "$ac_cv_sizeof_char_p" in
  375:   2)
  376:     wordsize=16
  377:     ;;
  378:   4)
  379:     wordsize=32
  380:     ;;
  381:   8)
  382:     wordsize=64
  383:     ;;
  384: esac
  385: 
  386: AC_CHECK_SIZEOF(void *)
  387: case "$ac_cv_sizeof_void_p" in
  388:   2)
  389:     vwordsize=16
  390:     ;;
  391:   4)
  392:     vwordsize=32
  393:     ;;
  394:   8)
  395:     vwordsize=64
  396:     ;;
  397: esac
  398: 
  399: AC_CHECK_SIZEOF(char)
  400: AC_CHECK_SIZEOF(short)
  401: AC_CHECK_SIZEOF(int)
  402: AC_CHECK_SIZEOF(long)
  403: AC_CHECK_SIZEOF(long long)
  404: AC_CHECK_SIZEOF(intptr_t)
  405: AC_CHECK_SIZEOF(int128_t)
  406: AC_CHECK_SIZEOF(uint128_t)
  407: 
  408: AC_MSG_CHECKING([for a C type for cells])
  409: ac_cv_int_type_cell=none
  410: case "$ac_cv_sizeof_char_p" in
  411:   $ac_cv_sizeof_int)
  412:     ac_cv_int_type_cell=int
  413:     ;;
  414:   $ac_cv_sizeof_short)
  415:     ac_cv_int_type_cell=short
  416:     ;;
  417:   $ac_cv_sizeof_char)
  418:     ac_cv_int_type_cell=char
  419:     ;;
  420:   $ac_cv_sizeof_long)
  421:     ac_cv_int_type_cell=long
  422:     ;;
  423:   $ac_cv_sizeof_long_long)
  424:     ac_cv_int_type_cell="long long"
  425:     ;;
  426:   $ac_cv_sizeof_intptr_t)
  427:     ac_cv_int_type_cell="intptr_t"
  428:     ;;
  429: esac
  430: AC_MSG_RESULT($ac_cv_int_type_cell)
  431: AC_DEFINE_UNQUOTED(CELL_TYPE,$ac_cv_int_type_cell,[an integer type that is as long as a pointer])
  432: 
  433: AC_MSG_CHECKING([for a C type for wydes])
  434: ac_cv_wyde_type_cell=none
  435: case 2 in
  436:   $ac_cv_sizeof_int)
  437:     ac_cv_wyde_type_cell=int
  438:     ;;
  439:   $ac_cv_sizeof_short)
  440:     ac_cv_wyde_type_cell=short
  441:     ;;
  442:   $ac_cv_sizeof_char)
  443:     ac_cv_wyde_type_cell=char
  444:     ;;
  445:   $ac_cv_sizeof_long)
  446:     ac_cv_wyde_type_cell=long
  447:     ;;
  448:   $ac_cv_sizeof_long_long)
  449:     ac_cv_wyde_type_cell="long long"
  450:     ;;
  451:   $ac_cv_sizeof_intptr_t)
  452:     ac_cv_wyde_type_cell="intptr_t"
  453:     ;;
  454: esac
  455: AC_MSG_RESULT($ac_cv_wyde_type_cell)
  456: AC_DEFINE_UNQUOTED(WYDE_TYPE,$ac_cv_wyde_type_cell,[an integer type that is 2 bytes long])
  457: 
  458: AC_MSG_CHECKING([for a C type for tetrabytes])
  459: ac_cv_tetrabyte_type_cell=none
  460: case 4 in
  461:   $ac_cv_sizeof_int)
  462:     ac_cv_tetrabyte_type_cell=int
  463:     ;;
  464:   $ac_cv_sizeof_short)
  465:     ac_cv_tetrabyte_type_cell=short
  466:     ;;
  467:   $ac_cv_sizeof_char)
  468:     ac_cv_tetrabyte_type_cell=char
  469:     ;;
  470:   $ac_cv_sizeof_long)
  471:     ac_cv_tetrabyte_type_cell=long
  472:     ;;
  473:   $ac_cv_sizeof_long_long)
  474:     ac_cv_tetrabyte_type_cell="long long"
  475:     ;;
  476:   $ac_cv_sizeof_intptr_t)
  477:     ac_cv_tetrabyte_type_cell="intptr_t"
  478:     ;;
  479: esac
  480: AC_MSG_RESULT($ac_cv_tetrabyte_type_cell)
  481: AC_DEFINE_UNQUOTED(TETRABYTE_TYPE,$ac_cv_tetrabyte_type_cell,[an integer type that is 4 bytes long])
  482: 
  483: AC_MSG_CHECKING([for a C type for octabytes])
  484: ac_cv_octabyte_type_cell=none
  485: case 8 in
  486:   $ac_cv_sizeof_int)
  487:     ac_cv_octabyte_type_cell=int
  488:     ;;
  489:   $ac_cv_sizeof_short)
  490:     ac_cv_octabyte_type_cell=short
  491:     ;;
  492:   $ac_cv_sizeof_char)
  493:     ac_cv_octabyte_type_cell=char
  494:     ;;
  495:   $ac_cv_sizeof_long)
  496:     ac_cv_octabyte_type_cell=long
  497:     ;;
  498:   $ac_cv_sizeof_long_long)
  499:     ac_cv_octabyte_type_cell="long long"
  500:     ;;
  501:   $ac_cv_sizeof_intptr_t)
  502:     ac_cv_octabyte_type_cell="intptr_t"
  503:     ;;
  504: esac
  505: AC_MSG_RESULT($ac_cv_octabyte_type_cell)
  506: AC_DEFINE_UNQUOTED(OCTABYTE_TYPE,$ac_cv_octabyte_type_cell,[an integer type that is 8 bytes long])
  507: 
  508: AC_MSG_CHECKING([for a C type for double-cells])
  509: ac_cv_int_type_double_cell=none
  510: case `expr 2 '*' "$ac_cv_sizeof_char_p"` in
  511:   $ac_cv_sizeof_short)
  512:     ac_cv_int_type_double_cell=short
  513:     ;;
  514:   $ac_cv_sizeof_int)
  515:     ac_cv_int_type_double_cell=int
  516:     ;;
  517:   $ac_cv_sizeof_long)
  518:     ac_cv_int_type_double_cell=long
  519:     ;;
  520:   $ac_cv_sizeof_long_long)
  521:     ac_cv_int_type_double_cell="long long"
  522:     ;;
  523:   $ac_cv_sizeof_intptr_t)
  524:     ac_cv_int_type_double_cell="intptr_t"
  525:     ;;
  526:   $ac_cv_sizeof_int128_t)
  527:     ac_cv_int_type_double_cell="int128_t"
  528:     ;;
  529: esac
  530: AC_MSG_RESULT($ac_cv_int_type_double_cell)
  531: 
  532: AC_MSG_CHECKING([for a C type for unsigned double-cells])
  533: ac_cv_int_type_double_ucell=none
  534: case `expr 2 '*' "$ac_cv_sizeof_char_p"` in
  535:   $ac_cv_sizeof_short)
  536:     ac_cv_int_type_double_ucell="unsigned short"
  537:     ;;
  538:   $ac_cv_sizeof_int)
  539:     ac_cv_int_type_double_ucell="unsigned int"
  540:     ;;
  541:   $ac_cv_sizeof_long)
  542:     ac_cv_int_type_double_ucell="unsigned long"
  543:     ;;
  544:   $ac_cv_sizeof_long_long)
  545:     ac_cv_int_type_double_ucell="unsigned long long"
  546:     ;;
  547:   $ac_cv_sizeof_intptr_t)
  548:     ac_cv_int_type_double_ucell="unsigned intptr_t"
  549:     ;;
  550:   $ac_cv_sizeof_uint128_t)
  551:     ac_cv_int_type_double_ucell="uint128_t"
  552:     ;;
  553: esac
  554: AC_MSG_RESULT($ac_cv_int_type_double_ucell)
  555: 
  556: if test "$ac_cv_int_type_double_cell" != none && \
  557:    test "$ac_cv_int_type_double_ucell" != none
  558: then
  559: 	AC_DEFINE_UNQUOTED(DOUBLE_CELL_TYPE,$ac_cv_int_type_double_cell,[an integer type that is twice as long as a pointer])
  560: 	AC_DEFINE_UNQUOTED(DOUBLE_UCELL_TYPE,$ac_cv_int_type_double_ucell,[an unsigned integer type that is twice as long as a pointer])
  561:         OPTS=-ll
  562: else
  563:         if test "$ac_cv_sizeof_char_p" = 8; then
  564:            OPTS="-ll -noll"
  565:         else
  566:            OPTS=-noll
  567:         fi
  568: fi
  569: 
  570: if grep FORCE_REG $srcdir/arch/$machine/machine.h >/dev/null; then
  571:    OPTS2=''
  572:    for i in $OPTS; do OPTS2="$OPTS2 $i-reg"; done
  573:    OPTS="$OPTS2 $OPTS"
  574: else
  575:   AC_DEFINE_UNQUOTED(FORCE_REG_UNNECESSARY,,[defined if the platform does not need FORCE_REG])
  576: fi
  577: AC_SUBST(OPTS)
  578: 
  579: AC_TYPE_OFF_T
  580: AC_CHECK_SIZEOF(off_t)
  581: test $ac_cv_sizeof_off_t -gt $ac_cv_sizeof_char_p
  582: ac_small_off_t=$?
  583: AC_DEFINE_UNQUOTED(SMALL_OFF_T,$ac_small_off_t,[1 if off_t fits in a Cell])
  584: 
  585: ENGINE_FLAGS=
  586: AC_SUBST(ENGINE_FLAGS)
  587: 
  588: # Try if GCC understands -fno-gcse
  589: 
  590: AC_MSG_CHECKING([if $CC understands -fno-gcse])
  591: CFLAGS_1="$CFLAGS"
  592: CFLAGS="$CFLAGS -fno-gcse"
  593: AC_TRY_COMPILE(,,ac_nogcse=yes;ENGINE_FLAGS="$ENGINE_FLAGS -fno-gcse",ac_nogcse=no)
  594: CFLAGS="$CFLAGS_1"
  595: AC_MSG_RESULT($ac_nogcse)
  596: 
  597: # Try if GCC understands -fno-strict-aliasing
  598: AC_MSG_CHECKING([if $CC understands -fno-strict-aliasing])
  599: CFLAGS_1="$CFLAGS"
  600: CFLAGS="$CFLAGS -fno-strict-aliasing"
  601: AC_TRY_COMPILE(,,ac_nostrictaliasing=yes;ENGINE_FLAGS="$ENGINE_FLAGS -fno-strict-aliasing",ac_nostrictaliasing=no)
  602: CFLAGS="$CFLAGS_1"
  603: AC_MSG_RESULT($ac_nostrictaliasing)
  604: 
  605: # Try if GCC understands -fno-crossjumping
  606: AC_MSG_CHECKING([if $CC understands -fno-crossjumping])
  607: CFLAGS_1="$CFLAGS"
  608: CFLAGS="$CFLAGS -fno-crossjumping"
  609: AC_TRY_COMPILE(,,ac_nocrossjumping=yes;ENGINE_FLAGS="$ENGINE_FLAGS -fno-crossjumping",ac_nocrossjumping=no)
  610: CFLAGS="$CFLAGS_1"
  611: AC_MSG_RESULT($ac_nocrossjumping)
  612: 
  613: # Try if GCC understands -fno-reorder-blocks
  614: AC_MSG_CHECKING([if $CC understands -fno-reorder-blocks])
  615: CFLAGS_1="$CFLAGS"
  616: CFLAGS="$CFLAGS -fno-reorder-blocks"
  617: AC_TRY_COMPILE(,,ac_noreorder_blocks=yes;ENGINE_FLAGS="$ENGINE_FLAGS -fno-reorder-blocks",ac_noreorder_blocks=no)
  618: CFLAGS="$CFLAGS_1"
  619: AC_MSG_RESULT($ac_noreorder_blocks)
  620: 
  621: # Try if GCC understands -falign-labels=1
  622: AC_MSG_CHECKING([if $CC understands -falign-labels=1])
  623: CFLAGS_1="$CFLAGS"
  624: CFLAGS="$CFLAGS -falign-labels=1"
  625: AC_TRY_COMPILE(,,ac_align_labels=yes;ENGINE_FLAGS="$ENGINE_FLAGS -falign-labels=1",ac_align_labels=no)
  626: CFLAGS="$CFLAGS_1"
  627: AC_MSG_RESULT($ac_align_labels)
  628: 
  629: # Try if GCC understands -falign-loops=1
  630: AC_MSG_CHECKING([if $CC understands -falign-loops=1])
  631: CFLAGS_1="$CFLAGS"
  632: CFLAGS="$CFLAGS -falign-loops=1"
  633: AC_TRY_COMPILE(,,ac_align_loops=yes;ENGINE_FLAGS="$ENGINE_FLAGS -falign-loops=1",ac_align_loops=no)
  634: CFLAGS="$CFLAGS_1"
  635: AC_MSG_RESULT($ac_align_loops)
  636: 
  637: # Try if GCC understands -falign-jumps=1
  638: AC_MSG_CHECKING([if $CC understands -falign-jumps=1])
  639: CFLAGS_1="$CFLAGS"
  640: CFLAGS="$CFLAGS -falign-jumps=1"
  641: AC_TRY_COMPILE(,,ac_align_jumps=yes;ENGINE_FLAGS="$ENGINE_FLAGS -falign-jumps=1",ac_align_jumps=no)
  642: CFLAGS="$CFLAGS_1"
  643: AC_MSG_RESULT($ac_align_jumps)
  644: 
  645: if test -z "$LIBTOOL_CC"
  646: then
  647:   LIBTOOL_CC="$CC"
  648:   # Try if GCC understands -Wimplicit-function-declaration
  649:   AC_MSG_CHECKING([if $CC understands -Wimplicit-function-declaration])
  650:   CFLAGS_1="$CFLAGS"
  651:   CFLAGS="$CFLAGS -Wimplicit-function-declaration"
  652:   AC_TRY_COMPILE(,,LIBTOOL_CC="$CC -Wimplicit-function-declaration",)
  653:   CFLAGS="$CFLAGS_1"
  654:   AC_MSG_RESULT($ac_align_jumps)
  655: fi
  656: AC_SUBST(LIBTOOL_CC)
  657: 
  658: 
  659: 
  660: # Try if GCC understands __attribute__((unused))
  661: AC_MSG_CHECKING([how to suppress 'unused variable' warnings])
  662: AC_TRY_COMPILE(,[int __attribute__((unused)) foo;], MAYBE_UNUSED='__attribute__((unused))',)
  663: AC_DEFINE_UNQUOTED(MAYBE_UNUSED,$MAYBE_UNUSED,[attribute for possibly unused variables])
  664: AC_MSG_RESULT($MAYBE_UNUSED)
  665: 
  666: #try if m4 understands -s
  667: AC_MSG_CHECKING([how to invoke m4])
  668: if m4 -s /dev/null >/dev/null 2>&1; then
  669:  M4="m4 -s"
  670: else
  671:  M4=m4
  672: fi
  673: AC_SUBST(M4)
  674: AC_MSG_RESULT($M4)
  675: 
  676: # Find installed Gforth
  677: AC_MSG_CHECKING([for gforth])
  678: GFORTH="`cd / && which gforth 2>/dev/null`"
  679: #the "$srcdir" = "." test defends agains the "../" bug in gforth-0.6.2
  680: (cd / && $GFORTH -e bye >/dev/null 2>/dev/null  && test "$srcdir" = ".") || GFORTH=""
  681: if test -z "$GFORTH"; then
  682:   PREFORTH='echo "You need to configure with a gforth in \$PATH to build this part" && false'
  683:   kernel_anti_dependence=''
  684: else
  685:   PREFORTH="$GFORTH -i `cd / && $GFORTH --debug -e bye 2>&1 |grep "Opened image file: "|sed 's/Opened image file: //'`" ;
  686:   kernel_anti_dependence='$(kernel_fi)'
  687: fi
  688: AC_SUBST(PREFORTH)
  689: AC_SUBST(kernel_anti_dependence)
  690: AC_MSG_RESULT($PREFORTH)
  691: 
  692: #echo "machine='$machine'"
  693: 
  694: dnl AC_CHECK_PROG(asm_fs,asm.fs,arch/$machine/asm.fs,,$srcdir/arch/$machine)
  695: if test x$EC_MODE = xfalse
  696: then
  697:   AS_IF([test -f $srcdir/arch/$machine/asm.fs],
  698:         [asm_fs=arch/$machine/asm.fs])
  699: fi
  700: AC_SUBST(asm_fs)
  701: 
  702: dnl AC_CHECK_PROG(disasm_fs,disasm.fs,arch/$machine/disasm.fs,,$srcdir/arch/$machine)
  703: if test x$EC_MODE = xfalse
  704: then
  705:   AS_IF([test -f $srcdir/arch/$machine/disasm.fs],
  706:    	[disasm_fs=arch/$machine/disasm.fs])
  707: fi
  708: AC_SUBST(disasm_fs)
  709: 
  710: AC_PATH_PROG(INSTALL_INFO,install-info,[echo '>>>>Please make info dir entry:'],$PATH:/sbin:/usr/sbin:/usr/local/sbin)
  711: 
  712: case "$host_os" in
  713: 	*win32*)
  714: 		# !!!FIXME!!! problems with cygwin and ';' as path separator
  715: 		DIRSEP="\\\\"
  716: 		PATHSEP=";"
  717: 		#we want the builtins of command.com/cmd.exe and its
  718: 		# handling of .com files.
  719: 		#$COMSPEC contains the name of the Windows shell;
  720: 		# the ./ is there, because the bash does not recognize
  721: 		# absolute DOS filenames
  722: 		DEFAULTSYSTEMPREFIX="./$COMSPEC /c "
  723: 		;;
  724: 	*darwin*)
  725: 		#Darwin uses some funny preprocessor by default; eliminate it:
  726: 		AC_MSG_NOTICE([using -no-cpp-precomp on Darwin])
  727: 		CFLAGS="$CFLAGS -no-cpp-precomp"
  728: 		DIRSEP="/"
  729: 		PATHSEP=":"
  730: 		DEFAULTSYSTEMPREFIX=""
  731:                 #the following magic value was suggested by
  732:                 #http://mail.python.org/pipermail/pythonmac-sig/2005-October/015190.html
  733:                 AC_DEFINE_UNQUOTED(MACOSX_DEPLOYMENT_TARGET,"10.3",[an environment variable value needed by libtool on some MacOS X versions])
  734: 		;;
  735: 	*linux*)
  736: 		DIRSEP="/"
  737: 		PATHSEP=":"
  738: 		DEFAULTSYSTEMPREFIX=""
  739: 		if test -z "$LTDL_LIBRARY_PATH" -a "$wordsize" = 64; then
  740: 		   LTDL_LIBRARY_PATH=`/sbin/ldconfig -p |tail -n +2 |sed 's/^.* => //'|sed 's|/[[^/]]*$||'| grep 64 | sort -u | tr '\n' : | sed -e 's/:$//'`
  741: 		fi
  742: 		;;
  743: 	*)
  744: 		DIRSEP="/"
  745: 		PATHSEP=":"
  746: 		DEFAULTSYSTEMPREFIX=""
  747: 		;;
  748: esac
  749: AC_SUBST(DIRSEP)
  750: AC_DEFINE_UNQUOTED(DIRSEP,'$DIRSEP',[a directory separator character])
  751: AC_SUBST(PATHSEP)
  752: AC_DEFINE_UNQUOTED(PATHSEP,'$PATHSEP',[a path separator character])
  753: AC_SUBST(DEFAULTSYSTEMPREFIX)
  754: AC_DEFINE_UNQUOTED(DEFAULTSYSTEMPREFIX,"$DEFAULTSYSTEMPREFIX",[default for environment variable GFORTHSYSTEMPREFIX])
  755: if test -n "$LTDL_LIBRARY_PATH"; then
  756:    AC_DEFINE_UNQUOTED(LTDL_LIBRARY_PATH,"$LTDL_LIBRARY_PATH",[Define LTDL_LIBRARY_PATH for 64 bit Linux])
  757: fi                                                                
  758: 
  759: #work around SELinux brain damage (from Andrew Haley <12t8f3jakb74g2c@news.supernews.com>)
  760: #This magic incantation  seems to be completely undocumented.
  761: AC_CHECK_PROG([MASSAGE_EXE],[chcon],[chcon -t unconfined_execmem_exec_t],[true])
  762: 
  763: dnl Now a little support for DOS/DJGCC
  764: GFORTHFAST_EXE="$GFORTH_EXE"
  765: GFORTHITC_EXE="$GFORTH_EXE"
  766: GFORTHDITC_EXE="$GFORTH_EXE"
  767: AC_SUBST(GFORTH_EXE)
  768: AC_SUBST(GFORTHFAST_EXE)
  769: AC_SUBST(GFORTHITC_EXE)
  770: AC_SUBST(GFORTHDITC_EXE)
  771: 
  772: AC_SUBST(FORTHSIZES)
  773: 
  774: dnl if test "$PEEPHOLE" = "yes"
  775: dnl then
  776: dnl    PEEPHOLEFLAG="true"
  777: dnl    AC_DEFINE(HAS_PEEPHOLE,,[Define if you want to use peephole optimization])
  778: dnl else
  779: dnl    PEEPHOLEFLAG="false"
  780: dnl fi
  781: PEEPHOLEFLAG="true"
  782: AC_SUBST(PEEPHOLEFLAG)
  783: 
  784: dnl copy commands for systems that don't have links
  785: AC_SUBST(LINK_KERNL)
  786: LINK_KERNL=""
  787: 
  788: #if test $host_os=dos
  789: #then
  790: #  echo Configuring for DOS!!!
  791: #  MAKE_EXE="coff2exe gforth"
  792: #  LINK_KERNL='$(CP) kernl32l.fi kernel.fi'
  793: #fi
  794: 
  795: dnl the following macro produces a warning with autoconf-2.1
  796: AC_C_BIGENDIAN
  797: AC_SUBST(KERNEL)
  798: dnl ac_cv_c_bigendian is an undocumented variable of autoconf-2.1
  799: if test $ac_cv_c_bigendian != no; then
  800:   bytesex=b
  801:   KERNEL="kernl16b.fi kernl16l.fi kernl32b.fi kernl32l.fi kernl64b.fi kernl64l.fi"
  802: else
  803:   bytesex=l
  804:   KERNEL="kernl16l.fi kernl16b.fi kernl32l.fi kernl32b.fi kernl64l.fi kernl64b.fi"
  805: fi
  806: 
  807: #check how to do asm(".skip 16")
  808: #echo "CFLAGS=$CFLAGS"
  809: #echo "ac_link=$ac_link"
  810: AC_MSG_CHECKING([if and how we can waste code space])
  811: if test -z "$skipcode" && test x$cross_compiling = xyes; then
  812:    # we cannot perform the AC_TRY_RUN check when cross-compiling.  
  813:    skipcode=no
  814:    AC_MSG_RESULT([$skipcode, can't run checks since cross-compiling])
  815: elif test -z "$skipcode"; then
  816:     skipcode=no
  817:     CFLAGS_1="$CFLAGS"
  818:     CFLAGS="$CFLAGS $ENGINE_FLAGS"
  819:     for i in ".skip 16" ".block 16" ".org .+16" ".=.+16" ".space 16"
  820:     do
  821: 	AC_TRY_RUN(
  822: [int foo(int,int,int);
  823: main()
  824: {
  825:   exit(foo(0,0,0)!=16);
  826: }
  827: int foo(int x, int y, int z)
  828: {
  829:   static void *labels[]={&&label1, &&label2};
  830:   if (x) {
  831:     y++; /* workaround for http://gcc.gnu.org/bugzilla/show_bug.cgi?id=12108 */
  832:   label1:
  833:     asm("$i"); /* or ".space 16" or somesuch */
  834:   label2: ;
  835:   }
  836:   {
  837:   if (y) goto *labels[z]; /* workaround for gcc PR12108 */
  838:   return labels[1]-labels[0];
  839:   }
  840: }]
  841: 	,skipcode=$i; break
  842: 	,,)
  843:     done
  844:     CFLAGS=$CFLAGS_1
  845: fi
  846: AC_MSG_RESULT($skipcode)
  847: if test "$skipcode" = no
  848: then 
  849:     if test -z $no_dynamic_default; then
  850: 	no_dynamic_default=1
  851: 	AC_MSG_WARN(Disabling default dynamic native code generation)
  852:     fi
  853:     AC_DEFINE_UNQUOTED(SKIP16,asm(""),statement for skipping 16 bytes)
  854: else
  855:     AC_DEFINE_UNQUOTED(SKIP16,asm("$skipcode"),statement for skipping 16 bytes)
  856: fi
  857: 
  858: AC_MSG_CHECKING([if and how we can do comments in asm statements])
  859: #the point here is to get asm statements that look different to
  860: #gcc's "optimizer"
  861: if test -z "$asmcomment"; then
  862:     asmcomment=no
  863:     CFLAGS_1="$CFLAGS"
  864:     CFLAGS="$CFLAGS $ENGINE_FLAGS"
  865:     for i in '"# "' '"! "' '"; "'; do
  866: 	AC_TRY_COMPILE(,[asm($i"fluffystunk");],asmcomment=$i; break,)
  867:     done
  868:     CFLAGS=$CFLAGS_1
  869: fi
  870: AC_MSG_RESULT($asmcomment)
  871: if test "$asmcomment" != no
  872: then 
  873:     AC_DEFINE_UNQUOTED(ASMCOMMENT,$asmcomment,[assembler comment start string])
  874: fi
  875: 
  876: test "$no_dynamic_default" || no_dynamic_default=0
  877: AC_DEFINE_UNQUOTED(NO_DYNAMIC_DEFAULT,$no_dynamic_default,default value for no_dynamic)
  878: 
  879: dnl Checks for programs.
  880: AC_PROG_LN_S
  881: AC_PROG_INSTALL
  882: AC_CHECK_PROGS(TEXI2DVI,texi2dvi4a2ps texi2dvi)
  883: 
  884: dnl MacOS X has a libtool that does something else
  885: AC_CHECK_PROGS(GNU_LIBTOOL,"glibtool --tag=CC" libtool)
  886: 
  887: dnl Checks for library functions
  888: dnl This check is just for making later checks link with libm.
  889: dnl using sin here is no good idea since it is built-into gcc and typechecked
  890: AC_CHECK_LIB(m,asin)
  891: AC_CHECK_LIB(ltdl,lt_dlinit)
  892: 
  893: if test -n "$GNU_LIBTOOL" -a $ac_cv_lib_ltdl_lt_dlinit = yes; then
  894:   build_libcc_named=build-libcc-named
  895: else
  896:   build_libcc_named=""
  897:   AC_MSG_WARN([No GNU_LIBTOOL found, skip pre-building libcc-based libraries])
  898: fi
  899: AC_SUBST(build_libcc_named)
  900: 
  901: 
  902: if test -z "$GNU_LIBTOOL"; then
  903:   AC_MSG_WARN([No GNU_LIBTOOL found, using "libtool" as name.])
  904:   AC_MSG_WARN([libcc.fs won't work until you have installed (GNU) libtool.])
  905:   GNU_LIBTOOL=libtool
  906: fi
  907: 
  908: #check for libffi 2.x
  909: AC_CHECK_HEADER(ffi.h,FFI_H_NAME=ffi.h,)
  910: if test -z "$FFI_H_NAME"; then
  911:   AC_CHECK_HEADER(ffi/ffi.h,FFI_H_NAME=ffi/ffi.h,)
  912: fi
  913: AC_SUBST(FFI_H_NAME)
  914: AC_CHECK_LIB(ffi,ffi_call)
  915: if test -n "$FFI_H_NAME" -a $ac_cv_lib_ffi_ffi_call = yes
  916: then
  917:   LIBFFIFLAG="true"
  918:   LIBCC_BUILD_SRC="$LIBCC_BUILD_SRC libffi.fs"
  919: else
  920:   LIBFFIFLAG="false"
  921: fi
  922: #check for ffcall libraries
  923: #unfortunately, these four calls are separated out into a library each.
  924: AC_CHECK_LIB(avcall,__builtin_avcall)
  925: dnl AC_CHECK_LIB(callback,__vacall_r)
  926: dnl AC_CHECK_LIB(vacall,vacall)
  927: dnl AC_CHECK_LIB(trampoline,alloc_trampoline)
  928: if test $ac_cv_lib_avcall___builtin_avcall = yes; then
  929:   FFCALLFLAG="true"
  930:   LIBCC_BUILD_SRC="$LIBCC_BUILD_SRC fflib.fs"
  931: else
  932:   FFCALLFLAG="false"
  933: fi
  934: if test $LIBFFIFLAG = false -a $FFCALLFLAG = false; then
  935:   AC_MSG_WARN([The (old) lib.fs foreign function interface needs either libffi or the ffcall libraries])
  936: fi
  937: AC_SUBST(LIBFFIFLAG)
  938: AC_SUBST(FFCALLFLAG)
  939: AC_SUBST(LIBCC_BUILD_SRC)
  940: if test "$host_os" != "nextstep3"
  941: then
  942: 	AC_FUNC_MEMCMP
  943: fi
  944: AC_REPLACE_FUNCS(memmove strtoul pow10 strerror strsignal atanh)
  945: AC_FUNC_FSEEKO
  946: AC_CHECK_FUNCS(ftello dlopen sys_siglist getrusage nanosleep)
  947: AC_CHECK_TYPES(stack_t,,,[#include <signal.h>])
  948: AC_DECL_SYS_SIGLIST
  949: AC_CHECK_FUNC(getopt_long,[true],[AC_LIBOBJ(getopt) AC_LIBOBJ(getopt1)])
  950: AC_CHECK_FUNCS(expm1 log1p)
  951: AC_REPLACE_FUNCS(rint ecvt)
  952: dnl No check for select, because our replacement is no good under
  953: dnl anything but DOS
  954: AC_CHECK_HEADERS(sys/mman.h fnmatch.h alloca.h wchar.h endian.h)
  955: AC_FUNC_FNMATCH
  956: test $ac_cv_func_fnmatch_works = yes || AC_LIBOBJ(fnmatch)
  957: AC_CHECK_FUNCS(mmap sysconf getpagesize wcwidth)
  958: AM_PATH_LISPDIR
  959: 
  960: kernel_fi=kernl${vwordsize}${bytesex}.fi
  961: include_fi=kernl${wordsize}${bytesex}${EC}.fi
  962: AC_SUBST(kernel_fi)
  963: AC_SUBST(include_fi)
  964: 
  965: #this breaks bindists
  966: #dnl replace srource directory by absolute value
  967: #if test $srcdir = "."; then srcdir=`pwd` 
  968: #fi
  969: 
  970: AC_SUBST(machine)
  971: AC_CONFIG_FILES([
  972: Makefile
  973: Makedist
  974: gforthmi
  975: vmgen
  976: machpc.fs
  977: envos.fs
  978: preforth
  979: engine/Makefile
  980: engine/libcc.h
  981: doc/version.texi
  982: build-ec ])
  983: AC_CONFIG_COMMANDS([stamp-h],[[echo timestamp > stamp-h
  984: chmod +x gforthmi
  985: chmod +x vmgen
  986: chmod +x build-ec
  987: chmod +x preforth
  988: test -d kernel||mkdir kernel
  989: if test $srcdir != "."; then ln -sf $srcdir/gforth.el .; fi
  990: $srcdir/mkinstalldirs include/gforth/$PACKAGE_VERSION
  991: $srcdir/mkinstalldirs arch/$machine
  992: ln -sf ../../../engine/config.h ../../../engine/libcc.h include/gforth/$PACKAGE_VERSION]],
  993: [PACKAGE_VERSION=$PACKAGE_VERSION
  994:  machine=$machine])
  995: AC_OUTPUT

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