Annotation of gforth/configure.in, revision 1.271

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

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