Annotation of gforth/configure.in, revision 1.252

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
1.245     pazsan     23: AC_INIT([gforth],[0.6.9-20081006],[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!
1.245     pazsan     28: UPDATED="October 10, 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)])
1.123     anton     121: AC_ARG_VAR(ac_cv_c_bigendian, [Is the target big-endian ("yes" or "no")?])
                    122: AC_ARG_VAR(no_dynamic_default, [run gforth with --dynamic (0) or --no-dynamic (1) by default])
1.190     anton     123: AC_ARG_VAR(condbranch_opt, [enable (1) or disable (0) using two dispatches for conditional branches])
1.166     anton     124: AC_ARG_VAR(skipcode, [assembly code for skipping 16 bytes of code])
1.174     anton     125: AC_ARG_VAR(asmcomment, [assembler comment start string])
1.175     anton     126: AC_ARG_VAR(arm_cacheflush, [file containing ARM cacheflush function (without .c)])
1.250     anton     127: AC_ARG_VAR(LTDL_LIBRARY_PATH, [additional directories for libltdl (for some 64-bit platforms)])
1.82      anton     128: 
1.96      anton     129: #set up feature test macros, so the tests get them right:
                    130: # turn on all POSIX, SUSv3, and GNU features if available
1.97      anton     131: AC_GNU_SOURCE
                    132: dnl AC_DEFINE_UNQUOTED([_GNU_SOURCE],1,[feature test macro])
                    133: 
                    134: dnl Don't define _POSIX_SOURCE etc. because some OSs (in particular
                    135: dnl MacOSX) disable some features then (MacOSX checks for _POSIX_SOURCE,
                    136: dnl but not for _XOPEN_SOURCE)
                    137: dnl AC_DEFINE_UNQUOTED([_POSIX_SOURCE],1,[feature test macro])
                    138: dnl AC_DEFINE_UNQUOTED([_POSIX_C_SOURCE],199506L,[feature test macro])
                    139: dnl AC_DEFINE_UNQUOTED([_XOPEN_SOURCE],600,[feature test macro])
1.96      anton     140: # turn on large file support with 64-bit off_t where available
1.105     anton     141: AC_SYS_LARGEFILE
                    142: dnl AC_DEFINE_UNQUOTED([_LARGEFILE_SOURCE],1,[feature test macro])
                    143: dnl AC_DEFINE_UNQUOTED([_FILE_OFFSET_BITS],64,[feature test macro])
1.96      anton     144: 
1.82      anton     145: #currently we force direct threading this way.  Eventually we should
                    146: #setup in the arch and engine files right
1.16      anton     147: 
1.15      pazsan    148: AC_PROG_CC
                    149: 
1.92      anton     150: test "$GCC" = "yes" || AC_MSG_ERROR(Gforth uses GNU C extensions and requires GCC 2.0 or higher)
1.9       pazsan    151: 
1.190     anton     152: AC_MSG_CHECKING([whether to use two dispatches per conditional branch])
                    153: test x$condbranch_opt = x && 
1.238     anton     154: if ($CC -v 2>&1 |grep 'gcc version 3' >/dev/null); then
1.190     anton     155:    condbranch_opt=0
                    156: else
                    157:    condbranch_opt=1
                    158: fi
                    159: AC_MSG_RESULT($condbranch_opt)
                    160: AC_SUBST(condbranch_opt)
                    161: 
1.15      pazsan    162: AC_SUBST(CC)
1.183     pazsan    163: AC_SUBST(GCC_LD)
1.9       pazsan    164: AC_SUBST(DEBUGFLAG)
1.178     pazsan    165: AC_SUBST(EC)
1.167     pazsan    166: AC_SUBST(EC_MODE)
1.178     pazsan    167: AC_SUBST(engine2)
                    168: AC_SUBST(engine_fast2)
                    169: AC_SUBST(no_dynamic)
                    170: AC_SUBST(image_i)
1.179     pazsan    171: AC_SUBST(signals_o)
1.7       anton     172: 
1.174     anton     173: #this is used to disable some (not generally essential) part of the
                    174: #Makefile that some makes don't grok.  It would be better to test for
                    175: #this specific Makefile feature than the make version.
1.128     pazsan    176: AC_MSG_CHECKING(make type)
1.174     anton     177: make_type=`make -n -v 2>&1|grep 'ake'|sed 's/ake .*/ake/'`
1.128     pazsan    178: GNUMAKE='#'
                    179: test "$make_type" = "GNU Make" && GNUMAKE=''
                    180: AC_MSG_RESULT($make_type)
                    181: AC_SUBST(GNUMAKE)
                    182: 
1.50      jwilke    183: AC_MSG_CHECKING([whether the linker accepts -export-dynamic])
                    184: OLDLDFLAGS=$LDFLAGS
                    185: LDFLAGS="$LDFLAGS -export-dynamic"
1.69      anton     186: dnl AC_TRY_LINK gives false positive on rs6000-ibm-aix4.2.1.0
                    187: dnl AC_TRY_LINK(,,ac_export_dynamic=yes,ac_export_dynamic=no)
                    188: AC_TRY_RUN(main(){exit(0);},ac_export_dynamic=yes,ac_export_dynamic=no,ac_export_dynamic=no)
1.50      jwilke    189: test $ac_export_dynamic = yes|| LDFLAGS=$OLDLDFLAGS
                    190: AC_MSG_RESULT($ac_export_dynamic)
                    191: 
1.1       anton     192: #terminology is a bit unusual here: The host is the system on which
                    193: #gforth will run; the system on which configure will run is the `build'
                    194: AC_CANONICAL_HOST
                    195: case "$host_cpu" in
1.136     anton     196:        arm*)
                    197:                machine=arm
                    198:                CFLAGS="$CFLAGS -fomit-frame-pointer"
1.184     pazsan    199:                if test x$platform = xnxt; then
1.183     pazsan    200:                   CFLAGS="$CFLAGS -mthumb -mthumb-interwork"
                    201:                fi
1.175     anton     202:                if test -z $arm_cacheflush; then
1.212     dvdkhlng  203:                   case "$host_os" in
                    204:                     *linux*)
                    205:                        arm_cacheflush=arch/arm/cacheflush-linux 
                    206:                        ;;
                    207:                     *)   
                    208:                        no_dynamic_default=1
                    209:                        arm_cacheflush=arch/arm/cacheflush0
                    210:                        AC_MSG_WARN([No I-cache flush code known, disabling dynamic native code generation])
                    211:                        ;;
                    212:                    esac
1.136     anton     213:                fi
1.212     dvdkhlng  214:                 AC_LIBSOURCES([../arch/arm/cacheflush0, dnl
                    215:                               ../arch/arm/cacheflush-linux])
1.175     anton     216:                 AC_LIBOBJ(../$arm_cacheflush)
1.177     anton     217:                 #longer skipcodes lead to problems on ARM, and it uses
                    218:                 #only 4-byte alignment anyway
                    219:                test "$skipcode" || skipcode="nop"
1.136     anton     220:                ;;
1.1       anton     221:        hppa*)
1.34      anton     222:                machine=hppa
1.46      anton     223:                $srcdir/mkinstalldirs arch/hppa
1.87      pazsan    224:                AC_LIBOBJ(../arch/hppa/cache)
1.134     anton     225:                #-N needed for --dynamic <M4U3b.3790$9d.317@news.cpqcorp.net>
                    226:                LDFLAGS="$LDFLAGS -Xlinker -N"
1.47      anton     227:                LIBS="$LIBS -L/lib/pa1.1/"
1.1       anton     228:                ;;
                    229:        sparc*)
1.34      anton     230:                machine=sparc
1.1       anton     231:                ;;
1.31      anton     232:        i386)
1.34      anton     233:                machine=386
1.189     anton     234:                CFLAGS="$CFLAGS -fomit-frame-pointer -fforce-addr"
1.31      anton     235:                ;;
                    236:        i486)
1.34      anton     237:                machine=386
1.189     anton     238:                CFLAGS="$CFLAGS -fomit-frame-pointer -fforce-addr -m486"
1.31      anton     239:                ;;
1.77      anton     240:        i*86)
1.34      anton     241:                machine=386
1.189     anton     242:                CFLAGS="$CFLAGS -fomit-frame-pointer -fforce-addr"
1.56      pazsan    243:                CFLAGS_1="$CFLAGS"
1.87      pazsan    244:                CFLAGS="$CFLAGS -march=pentium"
1.56      pazsan    245:                AC_TRY_COMPILE(,,,CFLAGS="$CFLAGS_1 -m486")
1.1       anton     246:                ;;
1.133     anton     247:        x86_64)
1.192     pazsan    248:                case $CC
                    249:                in
                    250:                    *-m32*)
                    251:                        machine=386
                    252:                        CFLAGS="$CFLAGS -fomit-frame-pointer -fforce-addr"
                    253:                        CFLAGS_1="$CFLAGS"
                    254:                        CFLAGS="$CFLAGS -march=athlon64"
                    255:                        ;;
                    256:                    *)
                    257:                        machine=amd64
                    258:                        ;;
                    259:                esac
1.133     anton     260:                ;;
1.136     anton     261:        ia64*)
                    262:                machine=ia64
                    263:                AC_LIBOBJ(../arch/ia64/flush_icache_block)
                    264:                test "$skipcode" || skipcode="nop.i 0"
                    265:                #".skip 16" passes the test below,
                    266:                # but gives an assembler error in engine
                    267:                ;;
1.26      pazsan    268:         m68k)
1.34      anton     269:                machine=m68k
1.32      pazsan    270:                CFLAGS="$CFLAGS -fomit-frame-pointer"
                    271:                if test "$host_os" = "nextstep3"
                    272:                then
1.87      pazsan    273:                        AC_LIBOBJ(termios)
1.32      pazsan    274:                fi
1.26      pazsan    275:                ;;
1.1       anton     276:        mips*)
1.34      anton     277:                machine=mips
1.92      anton     278:                #dynamic native code has the following problems on MIPS:
                    279:                #
                    280:                #1) J/JAL seems relocatable, but is are only
                    281:                #relocatable within a 256MB-segment.  While we try to
                    282:                #get the linker to arrange this, there is no guarantee
                    283:                #that this will succeed (and if the user uses a lot of
                    284:                #memory, it is likely to fail).
                    285:                #
                    286:                #2) The way we generate dynamic native code may
                    287:                #violate MIPS architectural restrictions (in
                    288:                #particular, the delay slots of LW, MFLO, etc.)
                    289:                #
                    290:                #Therefore we disable dynamic native code by default:
1.136     anton     291:                if test -z $no_dynamic_default; then
                    292:                    no_dynamic_default=1
                    293:                    AC_MSG_WARN([Disabling default dynamic native code generation (relocation and delay slot issues)])
                    294:                fi
1.1       anton     295:                ;;
1.9       pazsan    296:        alpha*)
1.34      anton     297:                machine=alpha
1.58      anton     298:                #full IEEE FP support for more uniformity across platforms:
                    299:                CFLAGS="$CFLAGS -mieee"
1.9       pazsan    300:                ;;
1.69      anton     301:        power*|rs6000)
1.34      anton     302:                machine=power
1.46      anton     303:                $srcdir/mkinstalldirs arch/power
1.138     anton     304:                AC_CHECK_FUNC(_sync_cache_range,[true],[AC_LIBOBJ(../arch/power/_sync_cache_range)])
1.103     anton     305:                #long long is broken on (at least) gcc-2.95.* for PPC
1.165     anton     306:                test x$ac_cv_sizeof_long_long = x && 
1.238     anton     307:                ($CC -v 2>&1 |grep 'gcc version 2.95' >/dev/null) &&
1.165     anton     308:                ac_cv_sizeof_long_long=0
1.203     anton     309:                 #The only architecture with enough callee-saved registers
                    310:                 test x$STACK_CACHE_REGS = x && STACK_CACHE_REGS=3
                    311:                 #or use 2, hardly slower at run-time and starts up faster
1.31      anton     312:                ;;
1.1       anton     313:        *)
1.92      anton     314:                AC_MSG_WARN([Using a generic machine description])
                    315:                AC_MSG_WARN([Assuming C floats and doubles are IEEE floats and doubles (for SF@ DF@ SF! DF!)])
                    316:                AC_MSG_WARN([FLUSH-ICACHE will do nothing, so END-CODE may not work properly!])
1.34      anton     317:                machine=generic
1.97      anton     318:                #I-cache flushing would be needed for dynamic code generation
1.136     anton     319:                if test -z $no_dynamic_default; then
                    320:                    no_dynamic_default=1
                    321:                    AC_MSG_WARN([No I-cache flush code known, disabling dynamic native code generation])
                    322:                fi
1.1       anton     323: esac
1.10      anton     324: AC_SUBST(host)
1.151     anton     325: 
1.184     pazsan    326: MAKEINC=""
                    327: 
                    328: echo "Check for arch/$machine/$platform/gforth.ld ($EC_MODE)"
1.183     pazsan    329: if test x$EC_MODE = xtrue
                    330: then
1.184     pazsan    331:        echo "Check for arch/$machine/$platform/gforth.ld"
                    332:        if test -f arch/$machine/$platform/gforth.ld
1.183     pazsan    333:        then
1.184     pazsan    334:                LDFLAGS="-T ../arch/$machine/$platform/gforth.ld -Map \$@.map -cref --gc-sections $LDFLAGS"
                    335:                if test x$platform = xnxt; then
1.183     pazsan    336:                        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 $LIBS"
                    337:                fi
                    338:        fi
1.184     pazsan    339:        if test -f arch/$machine/$platform/make.inc
                    340:        then
                    341:                MAKEINC="include ../arch/$machine/$platform/make.inc"
                    342:        fi
1.183     pazsan    343: fi
1.184     pazsan    344: AC_SUBST(MAKEINC)
1.183     pazsan    345: 
1.203     anton     346: AC_ARG_VAR(STACK_CACHE_REGS, [number of registers in the maximum stack cache state for gforth-fast and gforth-native (default platform-dependent).])
                    347: 
                    348: test x$STACK_CACHE_REGS = x && STACK_CACHE_REGS=1
                    349: AC_DEFINE_UNQUOTED(STACK_CACHE_REGS, $STACK_CACHE_REGS,
                    350:                   [number of registers in the maximum stack cache state for gforth-fast and gforth-native])
1.151     anton     351: test x$STACK_CACHE_DEFAULT_FAST = x && STACK_CACHE_DEFAULT_FAST=1
                    352: AC_DEFINE_UNQUOTED(STACK_CACHE_DEFAULT_FAST, $STACK_CACHE_DEFAULT_FAST,
                    353:                   [number of registers in the default stack cache state for gforth-fast and gforth-native])
1.146     pazsan    354: 
1.173     anton     355: test x$GCC_PR15242_WORKAROUND = x ||
                    356: AC_DEFINE_UNQUOTED(GCC_PR15242_WORKAROUND, $GCC_PR15242_WORKAROUND,
                    357:                    [force (1) or forbid (0) use of a workaround for a gcc performance bug])
                    358: 
1.103     anton     359: dnl the following macro produces a warning with autoconf-2.1
                    360: AC_CHECK_SIZEOF(char *)
                    361: case "$ac_cv_sizeof_char_p" in
                    362:   2)
                    363:     wordsize=16
                    364:     ;;
                    365:   4)
                    366:     wordsize=32
                    367:     ;;
                    368:   8)
                    369:     wordsize=64
                    370:     ;;
                    371: esac
                    372: 
1.183     pazsan    373: AC_CHECK_SIZEOF(void *)
                    374: case "$ac_cv_sizeof_void_p" in
                    375:   2)
                    376:     vwordsize=16
                    377:     ;;
                    378:   4)
                    379:     vwordsize=32
                    380:     ;;
                    381:   8)
                    382:     vwordsize=64
                    383:     ;;
                    384: esac
                    385: 
1.103     anton     386: AC_CHECK_SIZEOF(char)
                    387: AC_CHECK_SIZEOF(short)
                    388: AC_CHECK_SIZEOF(int)
                    389: AC_CHECK_SIZEOF(long)
                    390: AC_CHECK_SIZEOF(long long)
                    391: AC_CHECK_SIZEOF(intptr_t)
                    392: AC_CHECK_SIZEOF(int128_t)
1.144     pazsan    393: AC_CHECK_SIZEOF(uint128_t)
1.103     anton     394: 
                    395: AC_MSG_CHECKING([for a C type for cells])
                    396: ac_cv_int_type_cell=none
                    397: case "$ac_cv_sizeof_char_p" in
                    398:   $ac_cv_sizeof_int)
                    399:     ac_cv_int_type_cell=int
                    400:     ;;
                    401:   $ac_cv_sizeof_short)
                    402:     ac_cv_int_type_cell=short
                    403:     ;;
                    404:   $ac_cv_sizeof_char)
                    405:     ac_cv_int_type_cell=char
                    406:     ;;
                    407:   $ac_cv_sizeof_long)
                    408:     ac_cv_int_type_cell=long
                    409:     ;;
                    410:   $ac_cv_sizeof_long_long)
                    411:     ac_cv_int_type_cell="long long"
                    412:     ;;
                    413:   $ac_cv_sizeof_intptr_t)
                    414:     ac_cv_int_type_cell="intptr_t"
                    415:     ;;
                    416: esac
                    417: AC_MSG_RESULT($ac_cv_int_type_cell)
                    418: AC_DEFINE_UNQUOTED(CELL_TYPE,$ac_cv_int_type_cell,[an integer type that is as long as a pointer])
                    419: 
1.153     pazsan    420: AC_MSG_CHECKING([for a C type for wydes])
                    421: ac_cv_wyde_type_cell=none
                    422: case 2 in
                    423:   $ac_cv_sizeof_int)
                    424:     ac_cv_wyde_type_cell=int
                    425:     ;;
                    426:   $ac_cv_sizeof_short)
                    427:     ac_cv_wyde_type_cell=short
                    428:     ;;
                    429:   $ac_cv_sizeof_char)
                    430:     ac_cv_wyde_type_cell=char
                    431:     ;;
                    432:   $ac_cv_sizeof_long)
                    433:     ac_cv_wyde_type_cell=long
                    434:     ;;
                    435:   $ac_cv_sizeof_long_long)
                    436:     ac_cv_wyde_type_cell="long long"
                    437:     ;;
                    438:   $ac_cv_sizeof_intptr_t)
                    439:     ac_cv_wyde_type_cell="intptr_t"
                    440:     ;;
                    441: esac
                    442: AC_MSG_RESULT($ac_cv_wyde_type_cell)
                    443: AC_DEFINE_UNQUOTED(WYDE_TYPE,$ac_cv_wyde_type_cell,[an integer type that is 2 bytes long])
                    444: 
                    445: AC_MSG_CHECKING([for a C type for tetrabytes])
                    446: ac_cv_tetrabyte_type_cell=none
                    447: case 4 in
                    448:   $ac_cv_sizeof_int)
                    449:     ac_cv_tetrabyte_type_cell=int
                    450:     ;;
                    451:   $ac_cv_sizeof_short)
                    452:     ac_cv_tetrabyte_type_cell=short
                    453:     ;;
                    454:   $ac_cv_sizeof_char)
                    455:     ac_cv_tetrabyte_type_cell=char
                    456:     ;;
                    457:   $ac_cv_sizeof_long)
                    458:     ac_cv_tetrabyte_type_cell=long
                    459:     ;;
                    460:   $ac_cv_sizeof_long_long)
                    461:     ac_cv_tetrabyte_type_cell="long long"
                    462:     ;;
                    463:   $ac_cv_sizeof_intptr_t)
                    464:     ac_cv_tetrabyte_type_cell="intptr_t"
                    465:     ;;
                    466: esac
                    467: AC_MSG_RESULT($ac_cv_tetrabyte_type_cell)
                    468: AC_DEFINE_UNQUOTED(TETRABYTE_TYPE,$ac_cv_tetrabyte_type_cell,[an integer type that is 4 bytes long])
                    469: 
1.103     anton     470: AC_MSG_CHECKING([for a C type for double-cells])
                    471: ac_cv_int_type_double_cell=none
                    472: case `expr 2 '*' "$ac_cv_sizeof_char_p"` in
                    473:   $ac_cv_sizeof_short)
                    474:     ac_cv_int_type_double_cell=short
                    475:     ;;
                    476:   $ac_cv_sizeof_int)
                    477:     ac_cv_int_type_double_cell=int
                    478:     ;;
                    479:   $ac_cv_sizeof_long)
                    480:     ac_cv_int_type_double_cell=long
                    481:     ;;
                    482:   $ac_cv_sizeof_long_long)
                    483:     ac_cv_int_type_double_cell="long long"
                    484:     ;;
                    485:   $ac_cv_sizeof_intptr_t)
                    486:     ac_cv_int_type_double_cell="intptr_t"
                    487:     ;;
1.205     anton     488:   $ac_cv_sizeof_int128_t)
1.103     anton     489:     ac_cv_int_type_double_cell="int128_t"
                    490:     ;;
                    491: esac
                    492: AC_MSG_RESULT($ac_cv_int_type_double_cell)
1.144     pazsan    493: 
                    494: AC_MSG_CHECKING([for a C type for unsigned double-cells])
                    495: ac_cv_int_type_double_ucell=none
                    496: case `expr 2 '*' "$ac_cv_sizeof_char_p"` in
                    497:   $ac_cv_sizeof_short)
                    498:     ac_cv_int_type_double_ucell="unsigned short"
                    499:     ;;
                    500:   $ac_cv_sizeof_int)
                    501:     ac_cv_int_type_double_ucell="unsigned int"
                    502:     ;;
                    503:   $ac_cv_sizeof_long)
                    504:     ac_cv_int_type_double_ucell="unsigned long"
                    505:     ;;
                    506:   $ac_cv_sizeof_long_long)
                    507:     ac_cv_int_type_double_ucell="unsigned long long"
                    508:     ;;
                    509:   $ac_cv_sizeof_intptr_t)
                    510:     ac_cv_int_type_double_ucell="unsigned intptr_t"
                    511:     ;;
                    512:   $ac_cv_sizeof_uint128_t)
                    513:     ac_cv_int_type_double_ucell="uint128_t"
                    514:     ;;
                    515: esac
                    516: AC_MSG_RESULT($ac_cv_int_type_double_ucell)
                    517: 
1.204     anton     518: if test "$ac_cv_int_type_double_cell" != none && \
                    519:    test "$ac_cv_int_type_double_ucell" != none
1.144     pazsan    520: then
1.103     anton     521:        AC_DEFINE_UNQUOTED(DOUBLE_CELL_TYPE,$ac_cv_int_type_double_cell,[an integer type that is twice as long as a pointer])
1.144     pazsan    522:        AC_DEFINE_UNQUOTED(DOUBLE_UCELL_TYPE,$ac_cv_int_type_double_ucell,[an unsigned integer type that is twice as long as a pointer])
1.206     anton     523:         OPTS=-ll
                    524: else
1.217     pazsan    525:         if test "$ac_cv_sizeof_char_p" = 8; then
1.213     anton     526:            OPTS="-ll -noll"
1.206     anton     527:         else
                    528:            OPTS=-noll
                    529:         fi
1.103     anton     530: fi
1.207     anton     531: 
1.238     anton     532: if grep FORCE_REG arch/$machine/machine.h >/dev/null; then
1.227     pazsan    533:    OPTS2=''
                    534:    for i in $OPTS; do OPTS2="$OPTS2 $i-reg"; done
                    535:    OPTS="$OPTS2 $OPTS"
1.223     anton     536: else
                    537:   AC_DEFINE_UNQUOTED(FORCE_REG_UNNECESSARY,,[defined if the platform does not need FORCE_REG])
1.207     anton     538: fi
1.206     anton     539: AC_SUBST(OPTS)
1.103     anton     540: 
                    541: AC_TYPE_OFF_T
                    542: AC_CHECK_SIZEOF(off_t)
                    543: test $ac_cv_sizeof_off_t -gt $ac_cv_sizeof_char_p
                    544: ac_small_off_t=$?
                    545: AC_DEFINE_UNQUOTED(SMALL_OFF_T,$ac_small_off_t,[1 if off_t fits in a Cell])
1.1       anton     546: 
1.109     anton     547: ENGINE_FLAGS=
                    548: AC_SUBST(ENGINE_FLAGS)
                    549: 
                    550: # Try if GCC understands -fno-gcse
                    551: 
                    552: AC_MSG_CHECKING([if $CC understands -fno-gcse])
                    553: CFLAGS_1="$CFLAGS"
                    554: CFLAGS="$CFLAGS -fno-gcse"
                    555: AC_TRY_COMPILE(,,ac_nogcse=yes;ENGINE_FLAGS="$ENGINE_FLAGS -fno-gcse",ac_nogcse=no)
                    556: CFLAGS="$CFLAGS_1"
                    557: AC_MSG_RESULT($ac_nogcse)
                    558: 
                    559: # Try if GCC understands -fno-strict-aliasing
                    560: AC_MSG_CHECKING([if $CC understands -fno-strict-aliasing])
                    561: CFLAGS_1="$CFLAGS"
                    562: CFLAGS="$CFLAGS -fno-strict-aliasing"
                    563: AC_TRY_COMPILE(,,ac_nostrictaliasing=yes;ENGINE_FLAGS="$ENGINE_FLAGS -fno-strict-aliasing",ac_nostrictaliasing=no)
                    564: CFLAGS="$CFLAGS_1"
                    565: AC_MSG_RESULT($ac_nostrictaliasing)
                    566: 
1.123     anton     567: # Try if GCC understands -fno-crossjumping
                    568: AC_MSG_CHECKING([if $CC understands -fno-crossjumping])
1.88      pazsan    569: CFLAGS_1="$CFLAGS"
1.123     anton     570: CFLAGS="$CFLAGS -fno-crossjumping"
1.125     anton     571: AC_TRY_COMPILE(,,ac_nocrossjumping=yes;ENGINE_FLAGS="$ENGINE_FLAGS -fno-crossjumping",ac_nocrossjumping=no)
1.109     anton     572: CFLAGS="$CFLAGS_1"
1.124     pazsan    573: AC_MSG_RESULT($ac_nocrossjumping)
1.88      pazsan    574: 
1.137     pazsan    575: # Try if GCC understands -fno-reorder-blocks
                    576: AC_MSG_CHECKING([if $CC understands -fno-reorder-blocks])
                    577: CFLAGS_1="$CFLAGS"
                    578: CFLAGS="$CFLAGS -fno-reorder-blocks"
                    579: AC_TRY_COMPILE(,,ac_noreorder_blocks=yes;ENGINE_FLAGS="$ENGINE_FLAGS -fno-reorder-blocks",ac_noreorder_blocks=no)
                    580: CFLAGS="$CFLAGS_1"
                    581: AC_MSG_RESULT($ac_noreorder_blocks)
                    582: 
1.189     anton     583: # Try if GCC understands -falign-labels=1
                    584: AC_MSG_CHECKING([if $CC understands -falign-labels=1])
                    585: CFLAGS_1="$CFLAGS"
                    586: CFLAGS="$CFLAGS -falign-labels=1"
1.194     anton     587: AC_TRY_COMPILE(,,ac_align_labels=yes;ENGINE_FLAGS="$ENGINE_FLAGS -falign-labels=1",ac_align_labels=no)
1.189     anton     588: CFLAGS="$CFLAGS_1"
                    589: AC_MSG_RESULT($ac_align_labels)
                    590: 
1.193     anton     591: # Try if GCC understands -falign-loops=1
                    592: AC_MSG_CHECKING([if $CC understands -falign-loops=1])
                    593: CFLAGS_1="$CFLAGS"
                    594: CFLAGS="$CFLAGS -falign-loops=1"
1.194     anton     595: AC_TRY_COMPILE(,,ac_align_loops=yes;ENGINE_FLAGS="$ENGINE_FLAGS -falign-loops=1",ac_align_loops=no)
1.193     anton     596: CFLAGS="$CFLAGS_1"
                    597: AC_MSG_RESULT($ac_align_loops)
                    598: 
                    599: # Try if GCC understands -falign-jumps=1
                    600: AC_MSG_CHECKING([if $CC understands -falign-jumps=1])
                    601: CFLAGS_1="$CFLAGS"
                    602: CFLAGS="$CFLAGS -falign-jumps=1"
1.194     anton     603: AC_TRY_COMPILE(,,ac_align_jumps=yes;ENGINE_FLAGS="$ENGINE_FLAGS -falign-jumps=1",ac_align_jumps=no)
1.193     anton     604: CFLAGS="$CFLAGS_1"
                    605: AC_MSG_RESULT($ac_align_jumps)
                    606: 
1.130     anton     607: # Try if GCC understands __attribute__((unused))
                    608: AC_MSG_CHECKING([how to suppress 'unused variable' warnings])
                    609: AC_TRY_COMPILE(,[int __attribute__((unused)) foo;], MAYBE_UNUSED='__attribute__((unused))',)
                    610: AC_DEFINE_UNQUOTED(MAYBE_UNUSED,$MAYBE_UNUSED,[attribute for possibly unused variables])
                    611: AC_MSG_RESULT($MAYBE_UNUSED)
                    612: 
1.195     anton     613: #try if m4 understands -s
                    614: AC_MSG_CHECKING([how to invoke m4])
1.196     anton     615: if m4 -s /dev/null >/dev/null 2>&1; then
1.195     anton     616:  M4="m4 -s"
                    617: else
                    618:  M4=m4
                    619: fi
                    620: AC_SUBST(M4)
                    621: AC_MSG_RESULT($M4)
                    622: 
1.202     pazsan    623: # Find installed Gforth
                    624: AC_MSG_CHECKING([for gforth])
1.215     anton     625: GFORTH="`cd / && which gforth 2>/dev/null`"
1.240     anton     626: (cd / && $GFORTH -e bye >/dev/null 2>/dev/null) || GFORTH=""
1.215     anton     627: if test -z "$GFORTH"; then
1.223     anton     628:   PREFORTH='echo "You need to configure with a gforth in \$PATH to build this part" && false'
1.233     anton     629:   kernel_anti_dependence=''
1.215     anton     630: else
1.239     anton     631:   PREFORTH="$GFORTH -i `cd / && $GFORTH --debug -e bye 2>&1 |grep "Opened image file: "|sed 's/Opened image file: //'`" ;
1.233     anton     632:   kernel_anti_dependence='$(kernel_fi)'
1.215     anton     633: fi
                    634: AC_SUBST(PREFORTH)
1.233     anton     635: AC_SUBST(kernel_anti_dependence)
1.215     anton     636: AC_MSG_RESULT($PREFORTH)
1.202     pazsan    637: 
1.215     anton     638: #echo "machine='$machine'"
1.191     anton     639: 
                    640: dnl AC_CHECK_PROG(asm_fs,asm.fs,arch/$machine/asm.fs,,$srcdir/arch/$machine)
                    641: AC_CHECK_FILE($srcdir/arch/$machine/asm.fs,[asm_fs=arch/$machine/asm.fs],)
1.61      anton     642: AC_SUBST(asm_fs)
                    643: 
1.191     anton     644: dnl AC_CHECK_PROG(disasm_fs,disasm.fs,arch/$machine/disasm.fs,,$srcdir/arch/$machine)
                    645: AC_CHECK_FILE($srcdir/arch/$machine/disasm.fs,[disasm_fs=arch/$machine/disasm.fs],)
1.61      anton     646: AC_SUBST(disasm_fs)
                    647: 
1.116     anton     648: AC_PATH_PROG(INSTALL_INFO,install-info,[echo '>>>>Please make info dir entry:'],$PATH:/sbin:/usr/sbin:/usr/local/sbin)
1.114     anton     649: 
1.39      pazsan    650: case "$host_os" in
1.157     pazsan    651:        *win32*)
                    652:                # !!!FIXME!!! problems with cygwin and ';' as path separator
1.108     anton     653:                DIRSEP="\\\\"
1.127     anton     654:                PATHSEP=";"
1.142     anton     655:                #we want the builtins of command.com/cmd.exe and its
                    656:                # handling of .com files.
                    657:                #$COMSPEC contains the name of the Windows shell;
                    658:                # the ./ is there, because the bash does not recognize
                    659:                # absolute DOS filenames
                    660:                DEFAULTSYSTEMPREFIX="./$COMSPEC /c "
1.39      pazsan    661:                ;;
1.97      anton     662:        *darwin*)
                    663:                #Darwin uses some funny preprocessor by default; eliminate it:
1.127     anton     664:                AC_MSG_NOTICE([using -no-cpp-precomp on Darwin])
1.120     anton     665:                CFLAGS="$CFLAGS -no-cpp-precomp"
1.98      anton     666:                DIRSEP="/"
1.127     anton     667:                PATHSEP=":"
1.141     anton     668:                DEFAULTSYSTEMPREFIX=""
1.243     anton     669:                 #the following magic value was suggested by
                    670:                 #http://mail.python.org/pipermail/pythonmac-sig/2005-October/015190.html
                    671:                 AC_DEFINE_UNQUOTED(MACOSX_DEPLOYMENT_TARGET,"10.3",[an environment variable value needed by libtool on some MacOS X versions])
1.98      anton     672:                ;;
1.246     pazsan    673:        *linux*)
                    674:                DIRSEP="/"
                    675:                PATHSEP=":"
                    676:                DEFAULTSYSTEMPREFIX=""
1.250     anton     677:                if test -z "$LTDL_LIBRARY_PATH" -a "$wordsize" = 64; then
1.252   ! pazsan    678:                   LTDL_LIBRARY_PATH=`/sbin/ldconfig -p |tail -n +2 |sed 's/^.* => //'|sed 's|/[[^/]]*$||'| grep 64 | sort -u | tr '[\n]' [:] | sed -e 's/:$//'`
1.246     pazsan    679:                fi
                    680:                ;;
1.39      pazsan    681:        *)
1.88      pazsan    682:                DIRSEP="/"
1.127     anton     683:                PATHSEP=":"
1.141     anton     684:                DEFAULTSYSTEMPREFIX=""
1.39      pazsan    685:                ;;
                    686: esac
1.88      pazsan    687: AC_SUBST(DIRSEP)
1.89      pazsan    688: AC_DEFINE_UNQUOTED(DIRSEP,'$DIRSEP',[a directory separator character])
1.127     anton     689: AC_SUBST(PATHSEP)
                    690: AC_DEFINE_UNQUOTED(PATHSEP,'$PATHSEP',[a path separator character])
1.141     anton     691: AC_SUBST(DEFAULTSYSTEMPREFIX)
                    692: AC_DEFINE_UNQUOTED(DEFAULTSYSTEMPREFIX,"$DEFAULTSYSTEMPREFIX",[default for environment variable GFORTHSYSTEMPREFIX])
1.250     anton     693: if test -n "$LTDL_LIBRARY_PATH"; then
                    694:    AC_DEFINE_UNQUOTED(LTDL_LIBRARY_PATH,"$LTDL_LIBRARY_PATH",[Define LTDL_LIBRARY_PATH for 64 bit Linux])
                    695: fi                                                                
1.39      pazsan    696: 
1.170     anton     697: #work around SELinux brain damage (from Andrew Haley <12t8f3jakb74g2c@news.supernews.com>)
1.172     anton     698: #This magic incantation  seems to be completely undocumented.
                    699: AC_CHECK_PROG([MASSAGE_EXE],[chcon],[chcon -t unconfined_execmem_exec_t],[true])
1.170     anton     700: 
1.1       anton     701: dnl Now a little support for DOS/DJGCC
1.30      pazsan    702: AC_SUBST(GFORTH_EXE)
1.208     anton     703: GFORTH_EXE="true"
1.48      anton     704: AC_SUBST(GFORTHFAST_EXE)
1.208     anton     705: GFORTHFAST_EXE="true"
1.83      anton     706: AC_SUBST(GFORTHITC_EXE)
1.208     anton     707: GFORTHITC_EXE="true"
1.30      pazsan    708: AC_SUBST(GFORTHDITC_EXE)
1.208     anton     709: GFORTHDITC_EXE="true"
1.27      anton     710: 
                    711: AC_SUBST(FORTHSIZES)
1.24      anton     712: 
1.104     anton     713: dnl if test "$PEEPHOLE" = "yes"
                    714: dnl then
                    715: dnl    PEEPHOLEFLAG="true"
                    716: dnl    AC_DEFINE(HAS_PEEPHOLE,,[Define if you want to use peephole optimization])
                    717: dnl else
                    718: dnl    PEEPHOLEFLAG="false"
                    719: dnl fi
                    720: PEEPHOLEFLAG="true"
1.79      pazsan    721: AC_SUBST(PEEPHOLEFLAG)
                    722: 
1.1       anton     723: dnl copy commands for systems that don't have links
1.29      pazsan    724: AC_SUBST(LINK_KERNL)
                    725: LINK_KERNL=""
1.1       anton     726: 
                    727: #if test $host_os=dos
                    728: #then
                    729: #  echo Configuring for DOS!!!
                    730: #  MAKE_EXE="coff2exe gforth"
1.29      pazsan    731: #  LINK_KERNL='$(CP) kernl32l.fi kernel.fi'
1.1       anton     732: #fi
                    733: 
                    734: dnl the following macro produces a warning with autoconf-2.1
                    735: AC_C_BIGENDIAN
1.23      pazsan    736: AC_SUBST(KERNEL)
1.1       anton     737: dnl ac_cv_c_bigendian is an undocumented variable of autoconf-2.1
                    738: if test $ac_cv_c_bigendian = yes; then
                    739:   bytesex=b
1.23      pazsan    740:   KERNEL="kernl16b.fi kernl16l.fi kernl32b.fi kernl32l.fi kernl64b.fi kernl64l.fi"
1.1       anton     741: else
                    742:   bytesex=l
1.23      pazsan    743:   KERNEL="kernl16l.fi kernl16b.fi kernl32l.fi kernl32b.fi kernl64l.fi kernl64b.fi"
1.1       anton     744: fi
                    745: 
1.91      anton     746: #check how to do asm(".skip 16")
1.169     anton     747: #echo "CFLAGS=$CFLAGS"
                    748: #echo "ac_link=$ac_link"
1.92      anton     749: AC_MSG_CHECKING([if and how we can waste code space])
1.136     anton     750: if test -z "$skipcode"; then
1.148     anton     751:     skipcode=no
                    752:     CFLAGS_1="$CFLAGS"
                    753:     CFLAGS="$CFLAGS $ENGINE_FLAGS"
1.136     anton     754:     for i in ".skip 16" ".block 16" ".org .+16" ".=.+16" ".space 16"
                    755:     do
1.91      anton     756:        AC_TRY_RUN(
1.136     anton     757: [int foo(int,int,int);
1.91      anton     758: main()
                    759: {
1.136     anton     760:   exit(foo(0,0,0)!=16);
1.91      anton     761: }
1.136     anton     762: int foo(int x, int y, int z)
1.91      anton     763: {
1.136     anton     764:   static void *labels[]={&&label1, &&label2};
1.91      anton     765:   if (x) {
1.136     anton     766:     y++; /* workaround for http://gcc.gnu.org/bugzilla/show_bug.cgi?id=12108 */
1.91      anton     767:   label1:
1.148     anton     768:     asm("$i"); /* or ".space 16" or somesuch */
1.136     anton     769:   label2: ;
                    770:   }
                    771:   {
                    772:   if (y) goto *labels[z]; /* workaround for gcc PR12108 */
                    773:   return labels[1]-labels[0];
1.91      anton     774:   }
1.136     anton     775: }]
1.92      anton     776:        ,skipcode=$i; break
                    777:        ,,)
1.136     anton     778:     done
1.148     anton     779:     CFLAGS=$CFLAGS_1
1.136     anton     780: fi
1.92      anton     781: AC_MSG_RESULT($skipcode)
                    782: if test "$skipcode" = no
                    783: then 
1.136     anton     784:     if test -z $no_dynamic_default; then
                    785:        no_dynamic_default=1
                    786:        AC_MSG_WARN(Disabling default dynamic native code generation)
                    787:     fi
1.92      anton     788:     AC_DEFINE_UNQUOTED(SKIP16,((void)0),statement for skipping 16 bytes)
                    789: else
                    790:     AC_DEFINE_UNQUOTED(SKIP16,asm("$skipcode"),statement for skipping 16 bytes)
                    791: fi
1.91      anton     792: 
1.174     anton     793: AC_MSG_CHECKING([if and how we can do comments in asm statements])
                    794: #the point here is to get asm statements that look different to
                    795: #gcc's "optimizer"
                    796: if test -z "$asmcomment"; then
                    797:     asmcomment=no
                    798:     CFLAGS_1="$CFLAGS"
                    799:     CFLAGS="$CFLAGS $ENGINE_FLAGS"
1.176     anton     800:     for i in '"# "' '"! "' '"; "'; do
1.174     anton     801:        AC_TRY_COMPILE(,[asm($i"fluffystunk");],asmcomment=$i; break,)
                    802:     done
                    803:     CFLAGS=$CFLAGS_1
                    804: fi
                    805: AC_MSG_RESULT($asmcomment)
                    806: if test "$asmcomment" != no
                    807: then 
                    808:     AC_DEFINE_UNQUOTED(ASMCOMMENT,$asmcomment,[assembler comment start string])
                    809: fi
                    810: 
1.136     anton     811: test "$no_dynamic_default" || no_dynamic_default=0
1.92      anton     812: AC_DEFINE_UNQUOTED(NO_DYNAMIC_DEFAULT,$no_dynamic_default,default value for no_dynamic)
1.91      anton     813: 
1.1       anton     814: dnl Checks for programs.
                    815: AC_PROG_LN_S
1.95      anton     816: AC_PROG_INSTALL
1.163     pazsan    817: AC_CHECK_PROGS(TEXI2DVI,texi2dvi4a2ps texi2dvi)
1.1       anton     818: 
1.198     anton     819: dnl MacOS X has a libtool that does something else
                    820: AC_CHECK_PROGS(GNU_LIBTOOL,glibtool libtool)
                    821: 
1.1       anton     822: dnl Checks for library functions
1.2       anton     823: dnl This check is just for making later checks link with libm.
                    824: dnl using sin here is no good idea since it is built-into gcc and typechecked
                    825: AC_CHECK_LIB(m,asin)
1.225     anton     826: AC_CHECK_LIB(ltdl,lt_dlinit)
1.235     anton     827: #check for libffi 2.x
1.237     anton     828: AC_CHECK_HEADER(ffi.h,FFI_H_NAME=ffi.h,)
                    829: if test -z "$FFI_H_NAME"; then
                    830:   AC_CHECK_HEADER(ffi/ffi.h,FFI_H_NAME=ffi/ffi.h,)
                    831: fi
                    832: AC_SUBST(FFI_H_NAME)
1.235     anton     833: AC_CHECK_LIB(ffi,ffi_call)
1.241     anton     834: if test -n "$FFI_H_NAME" -a $ac_cv_lib_ffi_ffi_call = yes
1.235     anton     835: then
                    836:   LIBFFIFLAG="true"
1.236     anton     837:   LIBCC_BUILD_SRC="$LIBCC_BUILD_SRC libffi.fs"
1.235     anton     838: else
                    839:   LIBFFIFLAG="false"
                    840: fi
                    841: #check for ffcall libraries
                    842: #unfortunately, these four calls are separated out into a library each.
                    843: AC_CHECK_LIB(avcall,__builtin_avcall)
1.234     pazsan    844: dnl AC_CHECK_LIB(callback,__vacall_r)
                    845: dnl AC_CHECK_LIB(vacall,vacall)
                    846: dnl AC_CHECK_LIB(trampoline,alloc_trampoline)
1.235     anton     847: if test $ac_cv_lib_avcall___builtin_avcall = yes; then
                    848:   FFCALLFLAG="true"
1.236     anton     849:   LIBCC_BUILD_SRC="$LIBCC_BUILD_SRC fflib.fs"
1.235     anton     850: else
                    851:   FFCALLFLAG="false"
                    852: fi
                    853: if test $LIBFFIFLAG = false -a $FFCALLFLAG = false; then
                    854:   AC_MSG_WARN([The (old) lib.fs foreign function interface needs either libffi or the ffcall libraries])
                    855: fi
                    856: AC_SUBST(LIBFFIFLAG)
                    857: AC_SUBST(FFCALLFLAG)
1.236     anton     858: AC_SUBST(LIBCC_BUILD_SRC)
1.32      pazsan    859: if test "$host_os" != "nextstep3"
                    860: then
                    861:        AC_FUNC_MEMCMP
                    862: fi
1.25      pazsan    863: AC_REPLACE_FUNCS(memmove strtoul pow10 strerror strsignal atanh)
1.97      anton     864: AC_FUNC_FSEEKO
1.186     anton     865: AC_CHECK_FUNCS(ftello dlopen sys_siglist getrusage nanosleep)
1.111     anton     866: AC_CHECK_TYPES(stack_t,,,[#include <signal.h>])
1.19      anton     867: AC_DECL_SYS_SIGLIST
1.138     anton     868: AC_CHECK_FUNC(getopt_long,[true],[AC_LIBOBJ(getopt) AC_LIBOBJ(getopt1)])
1.90      anton     869: AC_CHECK_FUNCS(expm1 log1p)
                    870: AC_REPLACE_FUNCS(rint ecvt)
1.1       anton     871: dnl No check for select, because our replacement is no good under
                    872: dnl anything but DOS
1.242     anton     873: AC_CHECK_HEADERS(sys/mman.h fnmatch.h alloca.h)
1.63      anton     874: AC_FUNC_FNMATCH
1.87      pazsan    875: test $ac_cv_func_fnmatch_works = yes || AC_LIBOBJ(fnmatch)
1.28      anton     876: AC_CHECK_FUNCS(mmap sysconf getpagesize)
1.34      anton     877: AM_PATH_LISPDIR
1.1       anton     878: 
1.183     pazsan    879: kernel_fi=kernl${vwordsize}${bytesex}.fi
1.178     pazsan    880: include_fi=kernl${wordsize}${bytesex}${EC}.fi
1.23      pazsan    881: AC_SUBST(kernel_fi)
1.178     pazsan    882: AC_SUBST(include_fi)
1.50      jwilke    883: 
1.76      anton     884: #this breaks bindists
                    885: #dnl replace srource directory by absolute value
                    886: #if test $srcdir = "."; then srcdir=`pwd` 
                    887: #fi
1.8       anton     888: 
1.34      anton     889: AC_SUBST(machine)
1.95      anton     890: AC_CONFIG_FILES([
1.31      anton     891: Makefile
1.45      pazsan    892: Makedist
1.43      anton     893: gforthmi
1.80      anton     894: vmgen
1.79      pazsan    895: machpc.fs
1.159     pazsan    896: envos.fs
1.223     anton     897: preforth
1.35      anton     898: engine/Makefile
1.188     anton     899: engine/libcc.h
1.161     pazsan    900: doc/version.texi
                    901: build-ec ])
1.95      anton     902: AC_CONFIG_COMMANDS([stamp-h],[[echo timestamp > stamp-h
1.43      anton     903: chmod +x gforthmi
1.80      anton     904: chmod +x vmgen
1.162     pazsan    905: chmod +x build-ec
1.223     anton     906: chmod +x preforth
1.188     anton     907: test -d kernel||mkdir kernel
                    908: $srcdir/mkinstalldirs include/gforth/$PACKAGE_VERSION
1.199     anton     909: ln -sf ../../../engine/config.h ../../../engine/libcc.h include/gforth/$PACKAGE_VERSION]],[[PACKAGE_VERSION=$PACKAGE_VERSION]])
1.95      anton     910: AC_OUTPUT
1.44      anton     911: 

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