Annotation of gforth/configure.in, revision 1.203

1.1       anton       1: dnl Process this file with autoconf to produce a configure script.
1.20      anton       2: 
1.200     anton       3: #Copyright (C) 1995,1996,1997,1998,2000,2003,2004,2005,2006,2007 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
1.188     anton      23: AC_INIT([gforth],[0.6.9-20070604],[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!
1.187     anton      28: UPDATED="June 02, 2007"
1.84      anton      29: AC_SUBST(UPDATED)
1.94      anton      30: AC_CONFIG_HEADERS(engine/config.h)
1.14      anton      31: 
1.121     anton      32: #suppress the "-g -O2" default
                     33: test "$CFLAGS" || CFLAGS=-O2
                     34: 
1.1       anton      35: AC_ARG_ENABLE(force-reg,
1.149     anton      36:        AC_HELP_STRING([--enable-force-reg],
                     37:                        [ Use explicit register declarations if they appear in
1.1       anton      38:                          the machine.h file. This can cause a good speedup,
                     39:                          but also incorrect code with some gcc versions on
1.149     anton      40:                          some processors (default disabled).]),
                     41:        ,enable_force_reg=no)
                     42: test "$enable_force_reg" = "no"||
                     43:   AC_DEFINE(FORCE_REG,,[Define if you want to use explicit register declarations for better performance or for more convenient CODE words (does not work with all GCC versions on all machines)])
                     44: 
1.145     pazsan     45: AC_ARG_ENABLE(force-ll,
1.149     anton      46:        AC_HELP_STRING([--enable-force-ll],
                     47:                       [  Use explicit long long declarations if they appear in
1.145     pazsan     48:                          the machine.h file. This can cause a good speedup,
                     49:                          but also incorrect code with some gcc versions on
1.149     anton      50:                          some processors (default disabled).]),
                     51:        ,enable_force_ll=no)
                     52: test "$enable_force_ll" = "no"||
                     53:   AC_DEFINE(FORCE_LL,,[Define if you want to use explicit long long declarations for better performance (does not work with all GCC versions on all machines)])
1.147     anton      54: 
1.150     pazsan     55: AC_ARG_ENABLE(force-cdiv,
                     56:        AC_HELP_STRING([--enable-force-cdiv],
                     57:                       [  Use the native C division - symmetric - instead of
                     58:                          floored division (default disabled).]),
                     59:        ,enable_force_cdiv=no)
                     60: test "$enable_force_cdiv" = "no"||
                     61:   AC_DEFINE(FORCE_CDIV,,[Define if you want to use explicit symmetric division for better performance])
                     62: 
1.149     anton      63: AC_SUBST(PROFEXES)
                     64: AC_SUBST(PROFOBJS)
1.135     anton      65: AC_ARG_ENABLE(prof,
1.149     anton      66:        AC_HELP_STRING([--enable-prof],
                     67:                        [ Build gforth-prof, which outputs frequently occuring
                     68:                           sequences of primitives.]),
                     69:        ,enable_prof=no)
                     70: if test "$enable_prof" = "no"; then
                     71:   PROFEXES="gforth-prof\$(EXE)"; PROFOBJS="engine-prof.o main-prof.o profile.o"
                     72: fi
1.1       anton      73: 
1.9       pazsan     74: AC_ARG_WITH(debug,
1.122     pazsan     75: [  --with-debug                  specifies option -g to compile with debug info
                     76:   --without-debug        omits the -g switch and creates smaller images on
                     77:                          machines where "strip" has problems with gcc style
                     78:                          debugging informations.],
1.9       pazsan     79: if test "$withval" = "yes"; then DEBUGFLAG=-g; fi)
1.122     pazsan     80: 
1.104     anton      81: dnl PEEPHOLE="yes"
                     82: dnl AC_ARG_WITH(peephole,
                     83: dnl [  --with-peephole Enable peephole optimization (default)
                     84: dnl   --without-peephole       disables peephole optimization. Creates smaller,
                     85: dnl                    but slower images.],
                     86: dnl PEEPHOLE="$withval")
                     87: 
1.185     pazsan     88: GCC_LD="\$(GCC)"
                     89: EC_MODE="false"
                     90: EC=""
                     91: engine2="engine2.o"
                     92: engine_fast2="engine-fast2.o"
                     93: no_dynamic=""
                     94: image_i=""
                     95: signals_o="io.o signals.o"
                     96: 
1.182     pazsan     97: AC_ARG_WITH(ec,
                     98:        AC_HELP_STRING([--with-ec=<arch>],
1.168     pazsan     99:                        [  Build gforth for systems without OS.]),
1.182     pazsan    100: [if test "$withval" = "no"; then
                    101:   echo "defining hosted system"
                    102: else
                    103:   echo "defining standalone system (${withval})"
1.168     pazsan    104:   AC_DEFINE(STANDALONE,,[Define if you want a Gforth without OS])
1.167     pazsan    105:   EC_MODE="true"
1.178     pazsan    106:   EC="-ec"
                    107:   engine2=""
                    108:   engine_fast2=""
                    109:   no_dynamic="-DNO_DYNAMIC"
                    110:   image_i="image.i"
1.182     pazsan    111:   if test "$withval" != "yes"; then
                    112:     signals_o="io-${withval}.o"
                    113:   else
                    114:     signals_o="io.o"
                    115:   fi
1.183     pazsan    116:   GCC_PATH=$(which $CC)
                    117:   LIB_PATH=${GCC_PATH%/*/*}
                    118:   GCC_LD="\$(LD)"
1.184     pazsan    119:   platform=${withval}
1.182     pazsan    120: fi])
1.167     pazsan    121: 
1.104     anton     122: #variables mentioned in INSTALL
1.203   ! anton     123: AC_ARG_VAR(CC, [The C compiler (must support GNU C 2.x).])
1.104     anton     124: AC_ARG_VAR(FORTHSIZES, [Gforth command line options for the default stack and dictionary sizes (see INSTALL).])
1.203   ! anton     125: 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     126: 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     127: 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)])
                    128: 
1.104     anton     129: AC_ARG_VAR(ac_cv_sizeof_char_p, [sizeof(char *)])
1.183     pazsan    130: AC_ARG_VAR(ac_cv_sizeof_void_p, [sizeof(void *)])
1.104     anton     131: AC_ARG_VAR(ac_cv_sizeof_char, [sizeof(char)])
                    132: AC_ARG_VAR(ac_cv_sizeof_short, [sizeof(short)])
                    133: AC_ARG_VAR(ac_cv_sizeof_int, [sizeof(int)])
                    134: AC_ARG_VAR(ac_cv_sizeof_long, [sizeof(long)])
                    135: AC_ARG_VAR(ac_cv_sizeof_long_long, [sizeof(long long)])
                    136: AC_ARG_VAR(ac_cv_sizeof_intptr_t, [sizeof(intptr_t)])
                    137: AC_ARG_VAR(ac_cv_sizeof_int128_t, [sizeof(int128_t)])
1.144     pazsan    138: AC_ARG_VAR(ac_cv_sizeof_uint128_t, [sizeof(uint128_t)])
1.123     anton     139: AC_ARG_VAR(ac_cv_c_bigendian, [Is the target big-endian ("yes" or "no")?])
                    140: AC_ARG_VAR(no_dynamic_default, [run gforth with --dynamic (0) or --no-dynamic (1) by default])
1.190     anton     141: AC_ARG_VAR(condbranch_opt, [enable (1) or disable (0) using two dispatches for conditional branches])
1.166     anton     142: AC_ARG_VAR(skipcode, [assembly code for skipping 16 bytes of code])
1.174     anton     143: AC_ARG_VAR(asmcomment, [assembler comment start string])
1.175     anton     144: AC_ARG_VAR(arm_cacheflush, [file containing ARM cacheflush function (without .c)])
1.82      anton     145: 
1.96      anton     146: #set up feature test macros, so the tests get them right:
                    147: # turn on all POSIX, SUSv3, and GNU features if available
1.97      anton     148: AC_GNU_SOURCE
                    149: dnl AC_DEFINE_UNQUOTED([_GNU_SOURCE],1,[feature test macro])
                    150: 
                    151: dnl Don't define _POSIX_SOURCE etc. because some OSs (in particular
                    152: dnl MacOSX) disable some features then (MacOSX checks for _POSIX_SOURCE,
                    153: dnl but not for _XOPEN_SOURCE)
                    154: dnl AC_DEFINE_UNQUOTED([_POSIX_SOURCE],1,[feature test macro])
                    155: dnl AC_DEFINE_UNQUOTED([_POSIX_C_SOURCE],199506L,[feature test macro])
                    156: dnl AC_DEFINE_UNQUOTED([_XOPEN_SOURCE],600,[feature test macro])
1.96      anton     157: # turn on large file support with 64-bit off_t where available
1.105     anton     158: AC_SYS_LARGEFILE
                    159: dnl AC_DEFINE_UNQUOTED([_LARGEFILE_SOURCE],1,[feature test macro])
                    160: dnl AC_DEFINE_UNQUOTED([_FILE_OFFSET_BITS],64,[feature test macro])
1.96      anton     161: 
1.82      anton     162: #currently we force direct threading this way.  Eventually we should
                    163: #setup in the arch and engine files right
1.16      anton     164: 
1.15      pazsan    165: AC_PROG_CC
                    166: 
1.92      anton     167: test "$GCC" = "yes" || AC_MSG_ERROR(Gforth uses GNU C extensions and requires GCC 2.0 or higher)
1.9       pazsan    168: 
1.190     anton     169: AC_MSG_CHECKING([whether to use two dispatches per conditional branch])
                    170: test x$condbranch_opt = x && 
                    171: if ($CC -v 2>&1 |grep -q 'gcc version 3'); then
                    172:    condbranch_opt=0
                    173: else
                    174:    condbranch_opt=1
                    175: fi
                    176: AC_MSG_RESULT($condbranch_opt)
                    177: AC_SUBST(condbranch_opt)
                    178: 
1.15      pazsan    179: AC_SUBST(CC)
1.183     pazsan    180: AC_SUBST(GCC_LD)
1.9       pazsan    181: AC_SUBST(DEBUGFLAG)
1.178     pazsan    182: AC_SUBST(EC)
1.167     pazsan    183: AC_SUBST(EC_MODE)
1.178     pazsan    184: AC_SUBST(engine2)
                    185: AC_SUBST(engine_fast2)
                    186: AC_SUBST(no_dynamic)
                    187: AC_SUBST(image_i)
1.179     pazsan    188: AC_SUBST(signals_o)
1.7       anton     189: 
1.174     anton     190: #this is used to disable some (not generally essential) part of the
                    191: #Makefile that some makes don't grok.  It would be better to test for
                    192: #this specific Makefile feature than the make version.
1.128     pazsan    193: AC_MSG_CHECKING(make type)
1.174     anton     194: make_type=`make -n -v 2>&1|grep 'ake'|sed 's/ake .*/ake/'`
1.128     pazsan    195: GNUMAKE='#'
                    196: test "$make_type" = "GNU Make" && GNUMAKE=''
                    197: AC_MSG_RESULT($make_type)
                    198: AC_SUBST(GNUMAKE)
                    199: 
1.50      jwilke    200: AC_MSG_CHECKING([whether the linker accepts -export-dynamic])
                    201: OLDLDFLAGS=$LDFLAGS
                    202: LDFLAGS="$LDFLAGS -export-dynamic"
1.69      anton     203: dnl AC_TRY_LINK gives false positive on rs6000-ibm-aix4.2.1.0
                    204: dnl AC_TRY_LINK(,,ac_export_dynamic=yes,ac_export_dynamic=no)
                    205: AC_TRY_RUN(main(){exit(0);},ac_export_dynamic=yes,ac_export_dynamic=no,ac_export_dynamic=no)
1.50      jwilke    206: test $ac_export_dynamic = yes|| LDFLAGS=$OLDLDFLAGS
                    207: AC_MSG_RESULT($ac_export_dynamic)
                    208: 
1.1       anton     209: #terminology is a bit unusual here: The host is the system on which
                    210: #gforth will run; the system on which configure will run is the `build'
                    211: AC_CANONICAL_HOST
                    212: case "$host_cpu" in
1.136     anton     213:        arm*)
                    214:                machine=arm
                    215:                CFLAGS="$CFLAGS -fomit-frame-pointer"
1.184     pazsan    216:                if test x$platform = xnxt; then
1.183     pazsan    217:                   CFLAGS="$CFLAGS -mthumb -mthumb-interwork"
                    218:                fi
1.175     anton     219:                if test -z $arm_cacheflush; then
1.136     anton     220:                    no_dynamic_default=1
1.175     anton     221:                     arm_cacheflush=arch/arm/cacheflush0
1.136     anton     222:                    AC_MSG_WARN([No I-cache flush code known, disabling dynamic native code generation])
                    223:                fi
1.175     anton     224:                 AC_LIBSOURCES([../arch/arm/cacheflush0, ../arch/arm/cacheflush1, ../arch/arm/cacheflush2])
                    225:                 AC_LIBOBJ(../$arm_cacheflush)
1.177     anton     226:                 #longer skipcodes lead to problems on ARM, and it uses
                    227:                 #only 4-byte alignment anyway
                    228:                test "$skipcode" || skipcode="nop"
1.136     anton     229:                ;;
1.1       anton     230:        hppa*)
1.34      anton     231:                machine=hppa
1.46      anton     232:                $srcdir/mkinstalldirs arch/hppa
1.87      pazsan    233:                AC_LIBOBJ(../arch/hppa/cache)
1.134     anton     234:                #-N needed for --dynamic <M4U3b.3790$9d.317@news.cpqcorp.net>
                    235:                LDFLAGS="$LDFLAGS -Xlinker -N"
1.47      anton     236:                LIBS="$LIBS -L/lib/pa1.1/"
1.1       anton     237:                ;;
                    238:        sparc*)
1.34      anton     239:                machine=sparc
1.1       anton     240:                ;;
1.31      anton     241:        i386)
1.34      anton     242:                machine=386
1.189     anton     243:                CFLAGS="$CFLAGS -fomit-frame-pointer -fforce-addr"
1.31      anton     244:                ;;
                    245:        i486)
1.34      anton     246:                machine=386
1.189     anton     247:                CFLAGS="$CFLAGS -fomit-frame-pointer -fforce-addr -m486"
1.31      anton     248:                ;;
1.77      anton     249:        i*86)
1.34      anton     250:                machine=386
1.189     anton     251:                CFLAGS="$CFLAGS -fomit-frame-pointer -fforce-addr"
1.56      pazsan    252:                CFLAGS_1="$CFLAGS"
1.87      pazsan    253:                CFLAGS="$CFLAGS -march=pentium"
1.56      pazsan    254:                AC_TRY_COMPILE(,,,CFLAGS="$CFLAGS_1 -m486")
1.1       anton     255:                ;;
1.133     anton     256:        x86_64)
1.192     pazsan    257:                case $CC
                    258:                in
                    259:                    *-m32*)
                    260:                        machine=386
                    261:                        CFLAGS="$CFLAGS -fomit-frame-pointer -fforce-addr"
                    262:                        CFLAGS_1="$CFLAGS"
                    263:                        CFLAGS="$CFLAGS -march=athlon64"
                    264:                        ;;
                    265:                    *)
                    266:                        machine=amd64
                    267:                        ;;
                    268:                esac
1.133     anton     269:                ;;
1.136     anton     270:        ia64*)
                    271:                machine=ia64
                    272:                AC_LIBOBJ(../arch/ia64/flush_icache_block)
                    273:                test "$skipcode" || skipcode="nop.i 0"
                    274:                #".skip 16" passes the test below,
                    275:                # but gives an assembler error in engine
                    276:                ;;
1.26      pazsan    277:         m68k)
1.34      anton     278:                machine=m68k
1.32      pazsan    279:                CFLAGS="$CFLAGS -fomit-frame-pointer"
                    280:                if test "$host_os" = "nextstep3"
                    281:                then
1.87      pazsan    282:                        AC_LIBOBJ(termios)
1.32      pazsan    283:                fi
1.26      pazsan    284:                ;;
1.1       anton     285:        mips*)
1.34      anton     286:                machine=mips
1.92      anton     287:                #dynamic native code has the following problems on MIPS:
                    288:                #
                    289:                #1) J/JAL seems relocatable, but is are only
                    290:                #relocatable within a 256MB-segment.  While we try to
                    291:                #get the linker to arrange this, there is no guarantee
                    292:                #that this will succeed (and if the user uses a lot of
                    293:                #memory, it is likely to fail).
                    294:                #
                    295:                #2) The way we generate dynamic native code may
                    296:                #violate MIPS architectural restrictions (in
                    297:                #particular, the delay slots of LW, MFLO, etc.)
                    298:                #
                    299:                #Therefore we disable dynamic native code by default:
1.136     anton     300:                if test -z $no_dynamic_default; then
                    301:                    no_dynamic_default=1
                    302:                    AC_MSG_WARN([Disabling default dynamic native code generation (relocation and delay slot issues)])
                    303:                fi
1.1       anton     304:                ;;
1.9       pazsan    305:        alpha*)
1.34      anton     306:                machine=alpha
1.58      anton     307:                #full IEEE FP support for more uniformity across platforms:
                    308:                CFLAGS="$CFLAGS -mieee"
1.9       pazsan    309:                ;;
1.69      anton     310:        power*|rs6000)
1.34      anton     311:                machine=power
1.46      anton     312:                $srcdir/mkinstalldirs arch/power
1.138     anton     313:                AC_CHECK_FUNC(_sync_cache_range,[true],[AC_LIBOBJ(../arch/power/_sync_cache_range)])
1.103     anton     314:                #long long is broken on (at least) gcc-2.95.* for PPC
1.165     anton     315:                test x$ac_cv_sizeof_long_long = x && 
                    316:                ($CC -v 2>&1 |grep -q 'gcc version 2.95') &&
                    317:                ac_cv_sizeof_long_long=0
1.203   ! anton     318:                 #The only architecture with enough callee-saved registers
        !           319:                 test x$STACK_CACHE_REGS = x && STACK_CACHE_REGS=3
        !           320:                 #or use 2, hardly slower at run-time and starts up faster
1.31      anton     321:                ;;
1.1       anton     322:        *)
1.92      anton     323:                AC_MSG_WARN([Using a generic machine description])
                    324:                AC_MSG_WARN([Assuming C floats and doubles are IEEE floats and doubles (for SF@ DF@ SF! DF!)])
                    325:                AC_MSG_WARN([FLUSH-ICACHE will do nothing, so END-CODE may not work properly!])
1.34      anton     326:                machine=generic
1.97      anton     327:                #I-cache flushing would be needed for dynamic code generation
1.136     anton     328:                if test -z $no_dynamic_default; then
                    329:                    no_dynamic_default=1
                    330:                    AC_MSG_WARN([No I-cache flush code known, disabling dynamic native code generation])
                    331:                fi
1.1       anton     332: esac
1.10      anton     333: AC_SUBST(host)
1.151     anton     334: 
1.184     pazsan    335: MAKEINC=""
                    336: 
                    337: echo "Check for arch/$machine/$platform/gforth.ld ($EC_MODE)"
1.183     pazsan    338: if test x$EC_MODE = xtrue
                    339: then
1.184     pazsan    340:        echo "Check for arch/$machine/$platform/gforth.ld"
                    341:        if test -f arch/$machine/$platform/gforth.ld
1.183     pazsan    342:        then
1.184     pazsan    343:                LDFLAGS="-T ../arch/$machine/$platform/gforth.ld -Map \$@.map -cref --gc-sections $LDFLAGS"
                    344:                if test x$platform = xnxt; then
1.183     pazsan    345:                        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 $LIBS"
                    346:                fi
                    347:        fi
1.184     pazsan    348:        if test -f arch/$machine/$platform/make.inc
                    349:        then
                    350:                MAKEINC="include ../arch/$machine/$platform/make.inc"
                    351:        fi
1.183     pazsan    352: fi
1.184     pazsan    353: AC_SUBST(MAKEINC)
1.183     pazsan    354: 
1.203   ! anton     355: AC_ARG_VAR(STACK_CACHE_REGS, [number of registers in the maximum stack cache state for gforth-fast and gforth-native (default platform-dependent).])
        !           356: 
        !           357: test x$STACK_CACHE_REGS = x && STACK_CACHE_REGS=1
        !           358: AC_DEFINE_UNQUOTED(STACK_CACHE_REGS, $STACK_CACHE_REGS,
        !           359:                   [number of registers in the maximum stack cache state for gforth-fast and gforth-native])
1.151     anton     360: test x$STACK_CACHE_DEFAULT_FAST = x && STACK_CACHE_DEFAULT_FAST=1
                    361: AC_DEFINE_UNQUOTED(STACK_CACHE_DEFAULT_FAST, $STACK_CACHE_DEFAULT_FAST,
                    362:                   [number of registers in the default stack cache state for gforth-fast and gforth-native])
1.146     pazsan    363: 
1.173     anton     364: test x$GCC_PR15242_WORKAROUND = x ||
                    365: AC_DEFINE_UNQUOTED(GCC_PR15242_WORKAROUND, $GCC_PR15242_WORKAROUND,
                    366:                    [force (1) or forbid (0) use of a workaround for a gcc performance bug])
                    367: 
                    368: dnl AC_DEFINE(GCC_PR15242_WORKAROUND,,[Define if you want to get dynamic code
                    369: dnl generation on gccs affected by PR15242])
                    370: 
                    371: 
1.146     pazsan    372: if test "${enable_force_ll+set}" = set; then
                    373:    ac_includes_default="$ac_includes_default
                    374: #include \"arch/generic/128bit.h\""
                    375: fi
1.103     anton     376: 
                    377: dnl the following macro produces a warning with autoconf-2.1
                    378: AC_CHECK_SIZEOF(char *)
                    379: case "$ac_cv_sizeof_char_p" in
                    380:   2)
                    381:     wordsize=16
                    382:     ;;
                    383:   4)
                    384:     wordsize=32
                    385:     ;;
                    386:   8)
                    387:     wordsize=64
                    388:     ;;
                    389: esac
                    390: 
1.183     pazsan    391: AC_CHECK_SIZEOF(void *)
                    392: case "$ac_cv_sizeof_void_p" in
                    393:   2)
                    394:     vwordsize=16
                    395:     ;;
                    396:   4)
                    397:     vwordsize=32
                    398:     ;;
                    399:   8)
                    400:     vwordsize=64
                    401:     ;;
                    402: esac
                    403: 
1.103     anton     404: AC_CHECK_SIZEOF(char)
                    405: AC_CHECK_SIZEOF(short)
                    406: AC_CHECK_SIZEOF(int)
                    407: AC_CHECK_SIZEOF(long)
                    408: AC_CHECK_SIZEOF(long long)
                    409: AC_CHECK_SIZEOF(intptr_t)
                    410: AC_CHECK_SIZEOF(int128_t)
1.144     pazsan    411: AC_CHECK_SIZEOF(uint128_t)
1.103     anton     412: 
                    413: AC_MSG_CHECKING([for a C type for cells])
                    414: ac_cv_int_type_cell=none
                    415: case "$ac_cv_sizeof_char_p" in
                    416:   $ac_cv_sizeof_int)
                    417:     ac_cv_int_type_cell=int
                    418:     ;;
                    419:   $ac_cv_sizeof_short)
                    420:     ac_cv_int_type_cell=short
                    421:     ;;
                    422:   $ac_cv_sizeof_char)
                    423:     ac_cv_int_type_cell=char
                    424:     ;;
                    425:   $ac_cv_sizeof_long)
                    426:     ac_cv_int_type_cell=long
                    427:     ;;
                    428:   $ac_cv_sizeof_long_long)
                    429:     ac_cv_int_type_cell="long long"
                    430:     ;;
                    431:   $ac_cv_sizeof_intptr_t)
                    432:     ac_cv_int_type_cell="intptr_t"
                    433:     ;;
                    434:   $ac_cv_sizeof_int128_t)
                    435:     ac_cv_int_type_cell="int128_t"
                    436:     ;;
                    437: esac
                    438: AC_MSG_RESULT($ac_cv_int_type_cell)
                    439: AC_DEFINE_UNQUOTED(CELL_TYPE,$ac_cv_int_type_cell,[an integer type that is as long as a pointer])
                    440: 
1.153     pazsan    441: AC_MSG_CHECKING([for a C type for wydes])
                    442: ac_cv_wyde_type_cell=none
                    443: case 2 in
                    444:   $ac_cv_sizeof_int)
                    445:     ac_cv_wyde_type_cell=int
                    446:     ;;
                    447:   $ac_cv_sizeof_short)
                    448:     ac_cv_wyde_type_cell=short
                    449:     ;;
                    450:   $ac_cv_sizeof_char)
                    451:     ac_cv_wyde_type_cell=char
                    452:     ;;
                    453:   $ac_cv_sizeof_long)
                    454:     ac_cv_wyde_type_cell=long
                    455:     ;;
                    456:   $ac_cv_sizeof_long_long)
                    457:     ac_cv_wyde_type_cell="long long"
                    458:     ;;
                    459:   $ac_cv_sizeof_intptr_t)
                    460:     ac_cv_wyde_type_cell="intptr_t"
                    461:     ;;
                    462:   $ac_cv_sizeof_int128_t)
                    463:     ac_cv_wyde_type_cell="int128_t"
                    464:     ;;
                    465: esac
                    466: AC_MSG_RESULT($ac_cv_wyde_type_cell)
                    467: AC_DEFINE_UNQUOTED(WYDE_TYPE,$ac_cv_wyde_type_cell,[an integer type that is 2 bytes long])
                    468: 
                    469: AC_MSG_CHECKING([for a C type for tetrabytes])
                    470: ac_cv_tetrabyte_type_cell=none
                    471: case 4 in
                    472:   $ac_cv_sizeof_int)
                    473:     ac_cv_tetrabyte_type_cell=int
                    474:     ;;
                    475:   $ac_cv_sizeof_short)
                    476:     ac_cv_tetrabyte_type_cell=short
                    477:     ;;
                    478:   $ac_cv_sizeof_char)
                    479:     ac_cv_tetrabyte_type_cell=char
                    480:     ;;
                    481:   $ac_cv_sizeof_long)
                    482:     ac_cv_tetrabyte_type_cell=long
                    483:     ;;
                    484:   $ac_cv_sizeof_long_long)
                    485:     ac_cv_tetrabyte_type_cell="long long"
                    486:     ;;
                    487:   $ac_cv_sizeof_intptr_t)
                    488:     ac_cv_tetrabyte_type_cell="intptr_t"
                    489:     ;;
                    490:   $ac_cv_sizeof_int128_t)
                    491:     ac_cv_tetrabyte_type_cell="int128_t"
                    492:     ;;
                    493: esac
                    494: AC_MSG_RESULT($ac_cv_tetrabyte_type_cell)
                    495: AC_DEFINE_UNQUOTED(TETRABYTE_TYPE,$ac_cv_tetrabyte_type_cell,[an integer type that is 4 bytes long])
                    496: 
1.103     anton     497: AC_MSG_CHECKING([for a C type for double-cells])
                    498: ac_cv_int_type_double_cell=none
                    499: case `expr 2 '*' "$ac_cv_sizeof_char_p"` in
                    500:   $ac_cv_sizeof_short)
                    501:     ac_cv_int_type_double_cell=short
                    502:     ;;
                    503:   $ac_cv_sizeof_int)
                    504:     ac_cv_int_type_double_cell=int
                    505:     ;;
                    506:   $ac_cv_sizeof_long)
                    507:     ac_cv_int_type_double_cell=long
                    508:     ;;
                    509:   $ac_cv_sizeof_long_long)
                    510:     ac_cv_int_type_double_cell="long long"
                    511:     ;;
                    512:   $ac_cv_sizeof_intptr_t)
                    513:     ac_cv_int_type_double_cell="intptr_t"
                    514:     ;;
                    515:   $ac_cv_sizeof_int128_t)
                    516:     ac_cv_int_type_double_cell="int128_t"
                    517:     ;;
                    518: esac
                    519: AC_MSG_RESULT($ac_cv_int_type_double_cell)
1.144     pazsan    520: 
                    521: AC_MSG_CHECKING([for a C type for unsigned double-cells])
                    522: ac_cv_int_type_double_ucell=none
                    523: case `expr 2 '*' "$ac_cv_sizeof_char_p"` in
                    524:   $ac_cv_sizeof_short)
                    525:     ac_cv_int_type_double_ucell="unsigned short"
                    526:     ;;
                    527:   $ac_cv_sizeof_int)
                    528:     ac_cv_int_type_double_ucell="unsigned int"
                    529:     ;;
                    530:   $ac_cv_sizeof_long)
                    531:     ac_cv_int_type_double_ucell="unsigned long"
                    532:     ;;
                    533:   $ac_cv_sizeof_long_long)
                    534:     ac_cv_int_type_double_ucell="unsigned long long"
                    535:     ;;
                    536:   $ac_cv_sizeof_intptr_t)
                    537:     ac_cv_int_type_double_ucell="unsigned intptr_t"
                    538:     ;;
                    539:   $ac_cv_sizeof_uint128_t)
                    540:     ac_cv_int_type_double_ucell="uint128_t"
                    541:     ;;
                    542: esac
                    543: AC_MSG_RESULT($ac_cv_int_type_double_ucell)
                    544: 
                    545: if test "$ac_cv_int_type_double_cell" = none || \
                    546:    test "$ac_cv_int_type_double_ucell" = none
                    547: then
1.103     anton     548:        AC_MSG_WARN([Emulating double-cell arithmetic. This may be slow.])
                    549:        AC_LIBOBJ(dblsub)
                    550:        AC_DEFINE(BUGGY_LONG_LONG,,[define this if there is no working DOUBLE_CELL_TYPE on your machine])
                    551: else
                    552:        AC_DEFINE_UNQUOTED(DOUBLE_CELL_TYPE,$ac_cv_int_type_double_cell,[an integer type that is twice as long as a pointer])
1.144     pazsan    553:        AC_DEFINE_UNQUOTED(DOUBLE_UCELL_TYPE,$ac_cv_int_type_double_ucell,[an unsigned integer type that is twice as long as a pointer])
1.103     anton     554: fi
                    555: 
                    556: AC_TYPE_OFF_T
                    557: AC_CHECK_SIZEOF(off_t)
                    558: test $ac_cv_sizeof_off_t -gt $ac_cv_sizeof_char_p
                    559: ac_small_off_t=$?
                    560: AC_DEFINE_UNQUOTED(SMALL_OFF_T,$ac_small_off_t,[1 if off_t fits in a Cell])
1.1       anton     561: 
1.109     anton     562: ENGINE_FLAGS=
                    563: AC_SUBST(ENGINE_FLAGS)
                    564: 
                    565: # Try if GCC understands -fno-gcse
                    566: 
                    567: AC_MSG_CHECKING([if $CC understands -fno-gcse])
                    568: CFLAGS_1="$CFLAGS"
                    569: CFLAGS="$CFLAGS -fno-gcse"
                    570: AC_TRY_COMPILE(,,ac_nogcse=yes;ENGINE_FLAGS="$ENGINE_FLAGS -fno-gcse",ac_nogcse=no)
                    571: CFLAGS="$CFLAGS_1"
                    572: AC_MSG_RESULT($ac_nogcse)
                    573: 
                    574: # Try if GCC understands -fno-strict-aliasing
                    575: AC_MSG_CHECKING([if $CC understands -fno-strict-aliasing])
                    576: CFLAGS_1="$CFLAGS"
                    577: CFLAGS="$CFLAGS -fno-strict-aliasing"
                    578: AC_TRY_COMPILE(,,ac_nostrictaliasing=yes;ENGINE_FLAGS="$ENGINE_FLAGS -fno-strict-aliasing",ac_nostrictaliasing=no)
                    579: CFLAGS="$CFLAGS_1"
                    580: AC_MSG_RESULT($ac_nostrictaliasing)
                    581: 
1.123     anton     582: # Try if GCC understands -fno-crossjumping
                    583: AC_MSG_CHECKING([if $CC understands -fno-crossjumping])
1.88      pazsan    584: CFLAGS_1="$CFLAGS"
1.123     anton     585: CFLAGS="$CFLAGS -fno-crossjumping"
1.125     anton     586: AC_TRY_COMPILE(,,ac_nocrossjumping=yes;ENGINE_FLAGS="$ENGINE_FLAGS -fno-crossjumping",ac_nocrossjumping=no)
1.109     anton     587: CFLAGS="$CFLAGS_1"
1.124     pazsan    588: AC_MSG_RESULT($ac_nocrossjumping)
1.88      pazsan    589: 
1.137     pazsan    590: # Try if GCC understands -fno-reorder-blocks
                    591: AC_MSG_CHECKING([if $CC understands -fno-reorder-blocks])
                    592: CFLAGS_1="$CFLAGS"
                    593: CFLAGS="$CFLAGS -fno-reorder-blocks"
                    594: AC_TRY_COMPILE(,,ac_noreorder_blocks=yes;ENGINE_FLAGS="$ENGINE_FLAGS -fno-reorder-blocks",ac_noreorder_blocks=no)
                    595: CFLAGS="$CFLAGS_1"
                    596: AC_MSG_RESULT($ac_noreorder_blocks)
                    597: 
1.189     anton     598: # Try if GCC understands -falign-labels=1
                    599: AC_MSG_CHECKING([if $CC understands -falign-labels=1])
                    600: CFLAGS_1="$CFLAGS"
                    601: CFLAGS="$CFLAGS -falign-labels=1"
1.194     anton     602: AC_TRY_COMPILE(,,ac_align_labels=yes;ENGINE_FLAGS="$ENGINE_FLAGS -falign-labels=1",ac_align_labels=no)
1.189     anton     603: CFLAGS="$CFLAGS_1"
                    604: AC_MSG_RESULT($ac_align_labels)
                    605: 
1.193     anton     606: # Try if GCC understands -falign-loops=1
                    607: AC_MSG_CHECKING([if $CC understands -falign-loops=1])
                    608: CFLAGS_1="$CFLAGS"
                    609: CFLAGS="$CFLAGS -falign-loops=1"
1.194     anton     610: AC_TRY_COMPILE(,,ac_align_loops=yes;ENGINE_FLAGS="$ENGINE_FLAGS -falign-loops=1",ac_align_loops=no)
1.193     anton     611: CFLAGS="$CFLAGS_1"
                    612: AC_MSG_RESULT($ac_align_loops)
                    613: 
                    614: # Try if GCC understands -falign-jumps=1
                    615: AC_MSG_CHECKING([if $CC understands -falign-jumps=1])
                    616: CFLAGS_1="$CFLAGS"
                    617: CFLAGS="$CFLAGS -falign-jumps=1"
1.194     anton     618: AC_TRY_COMPILE(,,ac_align_jumps=yes;ENGINE_FLAGS="$ENGINE_FLAGS -falign-jumps=1",ac_align_jumps=no)
1.193     anton     619: CFLAGS="$CFLAGS_1"
                    620: AC_MSG_RESULT($ac_align_jumps)
                    621: 
1.130     anton     622: # Try if GCC understands __attribute__((unused))
                    623: AC_MSG_CHECKING([how to suppress 'unused variable' warnings])
                    624: AC_TRY_COMPILE(,[int __attribute__((unused)) foo;], MAYBE_UNUSED='__attribute__((unused))',)
                    625: AC_DEFINE_UNQUOTED(MAYBE_UNUSED,$MAYBE_UNUSED,[attribute for possibly unused variables])
                    626: AC_MSG_RESULT($MAYBE_UNUSED)
                    627: 
1.195     anton     628: #try if m4 understands -s
                    629: AC_MSG_CHECKING([how to invoke m4])
1.196     anton     630: if m4 -s /dev/null >/dev/null 2>&1; then
1.195     anton     631:  M4="m4 -s"
                    632: else
                    633:  M4=m4
                    634: fi
                    635: AC_SUBST(M4)
                    636: AC_DEFINE_UNQUOTED(M4,"$M4",[How to invoke m4])
                    637: AC_MSG_RESULT($M4)
                    638: 
1.202     pazsan    639: # Find installed Gforth
                    640: AC_MSG_CHECKING([for gforth])
                    641: GFORTH="`which gforth 2>/dev/null`"
                    642: if test ! -z "$GFORTH"; then  GFORTH="$GFORTH -m4M" ; fi
                    643: AC_SUBST(GFORTH)
                    644: AC_DEFINE_UNQUOTED(GFORTH,"$GFORTH",[How to invoke gforth])
                    645: AC_MSG_RESULT($GFORTH)
                    646: 
1.191     anton     647: echo "machine='$machine'"
                    648: 
                    649: dnl AC_CHECK_PROG(asm_fs,asm.fs,arch/$machine/asm.fs,,$srcdir/arch/$machine)
                    650: AC_CHECK_FILE($srcdir/arch/$machine/asm.fs,[asm_fs=arch/$machine/asm.fs],)
1.61      anton     651: AC_SUBST(asm_fs)
                    652: 
1.191     anton     653: dnl AC_CHECK_PROG(disasm_fs,disasm.fs,arch/$machine/disasm.fs,,$srcdir/arch/$machine)
                    654: AC_CHECK_FILE($srcdir/arch/$machine/disasm.fs,[disasm_fs=arch/$machine/disasm.fs],)
1.61      anton     655: AC_SUBST(disasm_fs)
                    656: 
1.116     anton     657: AC_PATH_PROG(INSTALL_INFO,install-info,[echo '>>>>Please make info dir entry:'],$PATH:/sbin:/usr/sbin:/usr/local/sbin)
1.114     anton     658: 
1.39      pazsan    659: case "$host_os" in
1.157     pazsan    660:        *win32*)
                    661:                # !!!FIXME!!! problems with cygwin and ';' as path separator
1.108     anton     662:                DIRSEP="\\\\"
1.127     anton     663:                PATHSEP=";"
1.142     anton     664:                #we want the builtins of command.com/cmd.exe and its
                    665:                # handling of .com files.
                    666:                #$COMSPEC contains the name of the Windows shell;
                    667:                # the ./ is there, because the bash does not recognize
                    668:                # absolute DOS filenames
                    669:                DEFAULTSYSTEMPREFIX="./$COMSPEC /c "
1.39      pazsan    670:                ;;
1.97      anton     671:        *darwin*)
                    672:                #Darwin uses some funny preprocessor by default; eliminate it:
1.127     anton     673:                AC_MSG_NOTICE([using -no-cpp-precomp on Darwin])
1.120     anton     674:                CFLAGS="$CFLAGS -no-cpp-precomp"
1.98      anton     675:                DIRSEP="/"
1.127     anton     676:                PATHSEP=":"
1.141     anton     677:                DEFAULTSYSTEMPREFIX=""
1.98      anton     678:                ;;
1.39      pazsan    679:        *)
1.88      pazsan    680:                DIRSEP="/"
1.127     anton     681:                PATHSEP=":"
1.141     anton     682:                DEFAULTSYSTEMPREFIX=""
1.39      pazsan    683:                ;;
                    684: esac
1.88      pazsan    685: AC_SUBST(DIRSEP)
1.89      pazsan    686: AC_DEFINE_UNQUOTED(DIRSEP,'$DIRSEP',[a directory separator character])
1.127     anton     687: AC_SUBST(PATHSEP)
                    688: AC_DEFINE_UNQUOTED(PATHSEP,'$PATHSEP',[a path separator character])
1.141     anton     689: AC_SUBST(DEFAULTSYSTEMPREFIX)
                    690: AC_DEFINE_UNQUOTED(DEFAULTSYSTEMPREFIX,"$DEFAULTSYSTEMPREFIX",[default for environment variable GFORTHSYSTEMPREFIX])
1.39      pazsan    691: 
1.170     anton     692: #work around SELinux brain damage (from Andrew Haley <12t8f3jakb74g2c@news.supernews.com>)
1.172     anton     693: #This magic incantation  seems to be completely undocumented.
                    694: AC_CHECK_PROG([MASSAGE_EXE],[chcon],[chcon -t unconfined_execmem_exec_t],[true])
1.170     anton     695: 
1.1       anton     696: dnl Now a little support for DOS/DJGCC
1.30      pazsan    697: AC_SUBST(GFORTH_EXE)
1.172     anton     698: GFORTH_EXE=""
1.48      anton     699: AC_SUBST(GFORTHFAST_EXE)
1.172     anton     700: GFORTHFAST_EXE=""
1.83      anton     701: AC_SUBST(GFORTHITC_EXE)
                    702: GFORTHITC_EXE=""
1.30      pazsan    703: AC_SUBST(GFORTHDITC_EXE)
                    704: GFORTHDITC_EXE=""
1.27      anton     705: 
                    706: AC_SUBST(FORTHSIZES)
1.24      anton     707: 
1.104     anton     708: dnl if test "$PEEPHOLE" = "yes"
                    709: dnl then
                    710: dnl    PEEPHOLEFLAG="true"
                    711: dnl    AC_DEFINE(HAS_PEEPHOLE,,[Define if you want to use peephole optimization])
                    712: dnl else
                    713: dnl    PEEPHOLEFLAG="false"
                    714: dnl fi
                    715: PEEPHOLEFLAG="true"
1.79      pazsan    716: AC_SUBST(PEEPHOLEFLAG)
                    717: 
1.1       anton     718: dnl copy commands for systems that don't have links
1.29      pazsan    719: AC_SUBST(LINK_KERNL)
                    720: LINK_KERNL=""
1.1       anton     721: 
                    722: #if test $host_os=dos
                    723: #then
                    724: #  echo Configuring for DOS!!!
                    725: #  MAKE_EXE="coff2exe gforth"
1.29      pazsan    726: #  LINK_KERNL='$(CP) kernl32l.fi kernel.fi'
1.1       anton     727: #fi
                    728: 
                    729: dnl the following macro produces a warning with autoconf-2.1
                    730: AC_C_BIGENDIAN
1.23      pazsan    731: AC_SUBST(KERNEL)
1.1       anton     732: dnl ac_cv_c_bigendian is an undocumented variable of autoconf-2.1
                    733: if test $ac_cv_c_bigendian = yes; then
                    734:   bytesex=b
1.23      pazsan    735:   KERNEL="kernl16b.fi kernl16l.fi kernl32b.fi kernl32l.fi kernl64b.fi kernl64l.fi"
1.1       anton     736: else
                    737:   bytesex=l
1.23      pazsan    738:   KERNEL="kernl16l.fi kernl16b.fi kernl32l.fi kernl32b.fi kernl64l.fi kernl64b.fi"
1.1       anton     739: fi
                    740: 
1.91      anton     741: #check how to do asm(".skip 16")
1.169     anton     742: #echo "CFLAGS=$CFLAGS"
                    743: #echo "ac_link=$ac_link"
1.92      anton     744: AC_MSG_CHECKING([if and how we can waste code space])
1.136     anton     745: if test -z "$skipcode"; then
1.148     anton     746:     skipcode=no
                    747:     CFLAGS_1="$CFLAGS"
                    748:     CFLAGS="$CFLAGS $ENGINE_FLAGS"
1.136     anton     749:     for i in ".skip 16" ".block 16" ".org .+16" ".=.+16" ".space 16"
                    750:     do
1.91      anton     751:        AC_TRY_RUN(
1.136     anton     752: [int foo(int,int,int);
1.91      anton     753: main()
                    754: {
1.136     anton     755:   exit(foo(0,0,0)!=16);
1.91      anton     756: }
1.136     anton     757: int foo(int x, int y, int z)
1.91      anton     758: {
1.136     anton     759:   static void *labels[]={&&label1, &&label2};
1.91      anton     760:   if (x) {
1.136     anton     761:     y++; /* workaround for http://gcc.gnu.org/bugzilla/show_bug.cgi?id=12108 */
1.91      anton     762:   label1:
1.148     anton     763:     asm("$i"); /* or ".space 16" or somesuch */
1.136     anton     764:   label2: ;
                    765:   }
                    766:   {
                    767:   if (y) goto *labels[z]; /* workaround for gcc PR12108 */
                    768:   return labels[1]-labels[0];
1.91      anton     769:   }
1.136     anton     770: }]
1.92      anton     771:        ,skipcode=$i; break
                    772:        ,,)
1.136     anton     773:     done
1.148     anton     774:     CFLAGS=$CFLAGS_1
1.136     anton     775: fi
1.92      anton     776: AC_MSG_RESULT($skipcode)
                    777: if test "$skipcode" = no
                    778: then 
1.136     anton     779:     if test -z $no_dynamic_default; then
                    780:        no_dynamic_default=1
                    781:        AC_MSG_WARN(Disabling default dynamic native code generation)
                    782:     fi
1.92      anton     783:     AC_DEFINE_UNQUOTED(SKIP16,((void)0),statement for skipping 16 bytes)
                    784: else
                    785:     AC_DEFINE_UNQUOTED(SKIP16,asm("$skipcode"),statement for skipping 16 bytes)
                    786: fi
1.91      anton     787: 
1.174     anton     788: AC_MSG_CHECKING([if and how we can do comments in asm statements])
                    789: #the point here is to get asm statements that look different to
                    790: #gcc's "optimizer"
                    791: if test -z "$asmcomment"; then
                    792:     asmcomment=no
                    793:     CFLAGS_1="$CFLAGS"
                    794:     CFLAGS="$CFLAGS $ENGINE_FLAGS"
1.176     anton     795:     for i in '"# "' '"! "' '"; "'; do
1.174     anton     796:        AC_TRY_COMPILE(,[asm($i"fluffystunk");],asmcomment=$i; break,)
                    797:     done
                    798:     CFLAGS=$CFLAGS_1
                    799: fi
                    800: AC_MSG_RESULT($asmcomment)
                    801: if test "$asmcomment" != no
                    802: then 
                    803:     AC_DEFINE_UNQUOTED(ASMCOMMENT,$asmcomment,[assembler comment start string])
                    804: fi
                    805: 
1.136     anton     806: test "$no_dynamic_default" || no_dynamic_default=0
1.92      anton     807: AC_DEFINE_UNQUOTED(NO_DYNAMIC_DEFAULT,$no_dynamic_default,default value for no_dynamic)
1.91      anton     808: 
1.1       anton     809: dnl Checks for programs.
                    810: AC_PROG_LN_S
1.95      anton     811: AC_PROG_INSTALL
1.163     pazsan    812: AC_CHECK_PROGS(TEXI2DVI,texi2dvi4a2ps texi2dvi)
1.1       anton     813: 
1.198     anton     814: dnl MacOS X has a libtool that does something else
                    815: AC_CHECK_PROGS(GNU_LIBTOOL,glibtool libtool)
                    816: 
1.1       anton     817: dnl Checks for library functions
1.2       anton     818: dnl This check is just for making later checks link with libm.
                    819: dnl using sin here is no good idea since it is built-into gcc and typechecked
                    820: AC_CHECK_LIB(m,asin)
1.197     anton     821: AC_CHECK_LIB(ltdl,lt_dlinit)
1.31      anton     822: AC_CHECK_LIB(dl,dlopen)
1.152     pazsan    823: dnl check for libffi 2.x
                    824: AC_CHECK_LIB(ffi,ffi_call)
                    825: if test $ac_cv_lib_ffi_ffi_call = yes
                    826: then
                    827: LIBFFIFLAG="true"
                    828: FFCALLFLAG="false"
                    829: OLDCALLFLAG="false"
                    830: AC_DEFINE(HAS_LIBFFI,,[define this if you want to use the ffcall interface with libffi 2.0])
                    831: else
1.124     pazsan    832: dnl check for ffcall libraries
                    833: dnl unfortunately, these four calls are separated out into a library each.
                    834: AC_CHECK_LIB(avcall,__builtin_avcall)
                    835: AC_CHECK_LIB(callback,__vacall_r)
                    836: AC_CHECK_LIB(vacall,vacall)
                    837: AC_CHECK_LIB(trampoline,alloc_trampoline)
1.152     pazsan    838: LIBFFIFLAG="false"
1.125     anton     839: FFCALLFLAG="false"
1.129     pazsan    840: OLDCALLFLAG="true"
                    841: test $ac_cv_lib_avcall___builtin_avcall = yes && FFCALLFLAG="true" && OLDCALLFLAG="false" && AC_DEFINE(HAS_FFCALL,,[define this if you want to use the ffcall libraries])
                    842: test $ac_cv_lib_avcall___builtin_avcall = no && AC_DEFINE(HAS_OLDCALL,,[define this if you want to use the old call libraries])
1.152     pazsan    843: fi
                    844: AC_SUBST(LIBFFIFLAG)
1.125     anton     845: AC_SUBST(FFCALLFLAG)
1.129     pazsan    846: AC_SUBST(OLDCALLFLAG)
1.32      pazsan    847: if test "$host_os" != "nextstep3"
                    848: then
                    849:        AC_FUNC_MEMCMP
                    850: fi
1.25      pazsan    851: AC_REPLACE_FUNCS(memmove strtoul pow10 strerror strsignal atanh)
1.97      anton     852: AC_FUNC_FSEEKO
1.186     anton     853: AC_CHECK_FUNCS(ftello dlopen sys_siglist getrusage nanosleep)
1.111     anton     854: AC_CHECK_TYPES(stack_t,,,[#include <signal.h>])
1.19      anton     855: AC_DECL_SYS_SIGLIST
1.138     anton     856: AC_CHECK_FUNC(getopt_long,[true],[AC_LIBOBJ(getopt) AC_LIBOBJ(getopt1)])
1.90      anton     857: AC_CHECK_FUNCS(expm1 log1p)
                    858: AC_REPLACE_FUNCS(rint ecvt)
1.1       anton     859: dnl No check for select, because our replacement is no good under
                    860: dnl anything but DOS
1.62      anton     861: AC_CHECK_HEADERS(sys/mman.h fnmatch.h)
1.63      anton     862: AC_FUNC_FNMATCH
1.87      pazsan    863: test $ac_cv_func_fnmatch_works = yes || AC_LIBOBJ(fnmatch)
1.28      anton     864: AC_CHECK_FUNCS(mmap sysconf getpagesize)
1.34      anton     865: AM_PATH_LISPDIR
1.1       anton     866: 
1.183     pazsan    867: kernel_fi=kernl${vwordsize}${bytesex}.fi
1.178     pazsan    868: include_fi=kernl${wordsize}${bytesex}${EC}.fi
1.23      pazsan    869: AC_SUBST(kernel_fi)
1.178     pazsan    870: AC_SUBST(include_fi)
1.50      jwilke    871: 
1.76      anton     872: #this breaks bindists
                    873: #dnl replace srource directory by absolute value
                    874: #if test $srcdir = "."; then srcdir=`pwd` 
                    875: #fi
1.8       anton     876: 
1.34      anton     877: AC_SUBST(machine)
1.95      anton     878: AC_CONFIG_FILES([
1.31      anton     879: Makefile
1.45      pazsan    880: Makedist
1.43      anton     881: gforthmi
1.80      anton     882: vmgen
1.79      pazsan    883: machpc.fs
1.159     pazsan    884: envos.fs
1.35      anton     885: engine/Makefile
1.188     anton     886: engine/libcc.h
1.161     pazsan    887: doc/version.texi
                    888: build-ec ])
1.95      anton     889: AC_CONFIG_COMMANDS([stamp-h],[[echo timestamp > stamp-h
1.43      anton     890: chmod +x gforthmi
1.80      anton     891: chmod +x vmgen
1.162     pazsan    892: chmod +x build-ec
1.188     anton     893: test -d kernel||mkdir kernel
                    894: $srcdir/mkinstalldirs include/gforth/$PACKAGE_VERSION
1.199     anton     895: ln -sf ../../../engine/config.h ../../../engine/libcc.h include/gforth/$PACKAGE_VERSION]],[[PACKAGE_VERSION=$PACKAGE_VERSION]])
1.95      anton     896: AC_OUTPUT
1.44      anton     897: 

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