Annotation of gforth/configure.in, revision 1.256

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

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