Annotation of gforth/configure.in, revision 1.319

1.1       anton       1: dnl Process this file with autoconf to produce a configure script.
1.20      anton       2: 
1.297     anton       3: #Copyright (C) 1995,1996,1997,1998,2000,2003,2004,2005,2006,2007,2008,2009,2010,2011 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
1.316     pazsan     23: AC_INIT([gforth],[0.7.9-20121007],[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!
1.316     pazsan     28: UPDATED="October 7, 2012"
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 "$withval" = "yes"; then DEBUGFLAG=-g; fi)
1.122     pazsan     70: 
1.185     pazsan     71: GCC_LD="\$(GCC)"
                     72: EC_MODE="false"
1.275     pazsan     73: NO_EC=""
1.291     pazsan     74: NO_CROSS=""
1.185     pazsan     75: EC=""
1.204     anton      76: engine2='engine2$(OPT).o'
                     77: engine_fast2='engine-fast2$(OPT).o'
1.185     pazsan     78: no_dynamic=""
                     79: image_i=""
                     80: signals_o="io.o signals.o"
                     81: 
1.275     pazsan     82: AC_CANONICAL_HOST
1.182     pazsan     83: AC_ARG_WITH(ec,
                     84:        AC_HELP_STRING([--with-ec=<arch>],
1.168     pazsan     85:                        [  Build gforth for systems without OS.]),
1.182     pazsan     86: [if test "$withval" = "no"; then
                     87:   echo "defining hosted system"
                     88: else
                     89:   echo "defining standalone system (${withval})"
1.168     pazsan     90:   AC_DEFINE(STANDALONE,,[Define if you want a Gforth without OS])
1.167     pazsan     91:   EC_MODE="true"
1.178     pazsan     92:   EC="-ec"
1.275     pazsan     93:   NO_EC="#"
1.291     pazsan     94:   NO_CROSS="#"
1.178     pazsan     95:   engine2=""
                     96:   engine_fast2=""
                     97:   no_dynamic="-DNO_DYNAMIC"
                     98:   image_i="image.i"
1.182     pazsan     99:   if test "$withval" != "yes"; then
                    100:     signals_o="io-${withval}.o"
                    101:   else
                    102:     signals_o="io.o"
                    103:   fi
1.275     pazsan    104:   if test -f "arch/$host_cpu/${withval}/config.sh"; then
                    105:     source "arch/$host_cpu/${withval}/config.sh"
                    106:   fi
1.183     pazsan    107:   GCC_PATH=$(which $CC)
                    108:   LIB_PATH=${GCC_PATH%/*/*}
                    109:   GCC_LD="\$(LD)"
1.184     pazsan    110:   platform=${withval}
1.182     pazsan    111: fi])
1.167     pazsan    112: 
1.311     pazsan    113: AC_ARG_ENABLE(lib,
                    114:        AC_HELP_STRING([--enable-lib],
                    115:                       [  Compile Gforth as shared library (default disabled).]),
                    116:        ,enable_lib=no)
                    117: if test "$enable_lib" != "no"; then
                    118:    AC_DEFINE(HAS_LIB,,[Define if you want to build as shared library])
                    119:    libengines=libgforths
                    120:    libinstall=libinstall
                    121:    LIB_VERSION=0:8:0
                    122: fi
                    123: AC_SUBST(libengines)
                    124: AC_SUBST(libinstall)
                    125: AC_SUBST(LIB_VERSION)
                    126: 
1.290     pazsan    127: AC_ARG_WITH(cross,
                    128:        AC_HELP_STRING([--with-cross=<arch>],
                    129:                        [  Build gforth using a cross compiler.]),
                    130: [if test "$withval" = "no"; then
                    131:   echo "defining hosted system"
                    132: else
                    133:   echo "defining cross compiled system (${withval})"
                    134:   if test -f "arch/$host_cpu/${withval}/config.sh"; then
                    135:     source "arch/$host_cpu/${withval}/config.sh"
                    136:   fi
                    137:   GCC_PATH=$(which $CC)
                    138:   LIB_PATH=${GCC_PATH%/*/*}
                    139:   platform=${withval}
1.291     pazsan    140:   NO_EC=""
                    141:   NO_CROSS="#"
1.290     pazsan    142: fi])
                    143: 
1.307     pazsan    144: AC_ARG_WITH(arch,
                    145:        AC_HELP_STRING([--with-arch=<arch>],
                    146:                        [  Build gforth binaries with <arch> postfix]),
                    147: [if test "$withval" = "no"; then
                    148:   ARCH=""
                    149: else
                    150:   ARCH=-${withval}
                    151: fi])
                    152: AC_SUBST(ARCH)
                    153: 
1.104     anton     154: #variables mentioned in INSTALL
1.302     pazsan    155: AC_ARG_VAR(SH, [The shell])
1.203     anton     156: AC_ARG_VAR(CC, [The C compiler (must support GNU C 2.x).])
1.104     anton     157: AC_ARG_VAR(FORTHSIZES, [Gforth command line options for the default stack and dictionary sizes (see INSTALL).])
1.203     anton     158: 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     159: 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     160: 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     161: AC_ARG_VAR(LIBCC_BUILD_SRC, [(Additional) libcc interface source files that should be processed on building and installation (default none)])
1.173     anton     162: 
1.104     anton     163: AC_ARG_VAR(ac_cv_sizeof_char_p, [sizeof(char *)])
1.183     pazsan    164: AC_ARG_VAR(ac_cv_sizeof_void_p, [sizeof(void *)])
1.104     anton     165: AC_ARG_VAR(ac_cv_sizeof_char, [sizeof(char)])
                    166: AC_ARG_VAR(ac_cv_sizeof_short, [sizeof(short)])
                    167: AC_ARG_VAR(ac_cv_sizeof_int, [sizeof(int)])
                    168: AC_ARG_VAR(ac_cv_sizeof_long, [sizeof(long)])
                    169: AC_ARG_VAR(ac_cv_sizeof_long_long, [sizeof(long long)])
                    170: AC_ARG_VAR(ac_cv_sizeof_intptr_t, [sizeof(intptr_t)])
1.254     anton     171: AC_ARG_VAR(ac_cv_sizeof_int128_t, [sizeof(int128_t)])
                    172: AC_ARG_VAR(ac_cv_sizeof_uint128_t, [sizeof(uint128_t)])
1.123     anton     173: AC_ARG_VAR(ac_cv_c_bigendian, [Is the target big-endian ("yes" or "no")?])
                    174: AC_ARG_VAR(no_dynamic_default, [run gforth with --dynamic (0) or --no-dynamic (1) by default])
1.190     anton     175: AC_ARG_VAR(condbranch_opt, [enable (1) or disable (0) using two dispatches for conditional branches])
1.166     anton     176: AC_ARG_VAR(skipcode, [assembly code for skipping 16 bytes of code])
1.174     anton     177: AC_ARG_VAR(asmcomment, [assembler comment start string])
1.175     anton     178: AC_ARG_VAR(arm_cacheflush, [file containing ARM cacheflush function (without .c)])
1.250     anton     179: AC_ARG_VAR(LTDL_LIBRARY_PATH, [additional directories for libltdl (for some 64-bit platforms)])
1.82      anton     180: 
1.96      anton     181: #set up feature test macros, so the tests get them right:
                    182: # turn on all POSIX, SUSv3, and GNU features if available
1.97      anton     183: AC_GNU_SOURCE
                    184: dnl AC_DEFINE_UNQUOTED([_GNU_SOURCE],1,[feature test macro])
                    185: 
                    186: dnl Don't define _POSIX_SOURCE etc. because some OSs (in particular
                    187: dnl MacOSX) disable some features then (MacOSX checks for _POSIX_SOURCE,
                    188: dnl but not for _XOPEN_SOURCE)
                    189: dnl AC_DEFINE_UNQUOTED([_POSIX_SOURCE],1,[feature test macro])
                    190: dnl AC_DEFINE_UNQUOTED([_POSIX_C_SOURCE],199506L,[feature test macro])
                    191: dnl AC_DEFINE_UNQUOTED([_XOPEN_SOURCE],600,[feature test macro])
1.96      anton     192: # turn on large file support with 64-bit off_t where available
1.105     anton     193: AC_SYS_LARGEFILE
                    194: dnl AC_DEFINE_UNQUOTED([_LARGEFILE_SOURCE],1,[feature test macro])
                    195: dnl AC_DEFINE_UNQUOTED([_FILE_OFFSET_BITS],64,[feature test macro])
1.96      anton     196: 
1.82      anton     197: #currently we force direct threading this way.  Eventually we should
                    198: #setup in the arch and engine files right
1.16      anton     199: 
1.15      pazsan    200: AC_PROG_CC
                    201: 
1.92      anton     202: test "$GCC" = "yes" || AC_MSG_ERROR(Gforth uses GNU C extensions and requires GCC 2.0 or higher)
1.9       pazsan    203: 
1.302     pazsan    204: test "x$SH" = "x" && SH="/bin/sh"
                    205: 
1.190     anton     206: AC_MSG_CHECKING([whether to use two dispatches per conditional branch])
                    207: test x$condbranch_opt = x && 
1.238     anton     208: if ($CC -v 2>&1 |grep 'gcc version 3' >/dev/null); then
1.190     anton     209:    condbranch_opt=0
                    210: else
                    211:    condbranch_opt=1
                    212: fi
                    213: AC_MSG_RESULT($condbranch_opt)
                    214: AC_SUBST(condbranch_opt)
1.301     pazsan    215: AC_SUBST(host_cpu)
1.190     anton     216: 
1.302     pazsan    217: AC_SUBST(SH)
1.15      pazsan    218: AC_SUBST(CC)
1.183     pazsan    219: AC_SUBST(GCC_LD)
1.9       pazsan    220: AC_SUBST(DEBUGFLAG)
1.178     pazsan    221: AC_SUBST(EC)
1.275     pazsan    222: AC_SUBST(NO_EC)
1.291     pazsan    223: AC_SUBST(NO_CROSS)
1.167     pazsan    224: AC_SUBST(EC_MODE)
1.178     pazsan    225: AC_SUBST(engine2)
                    226: AC_SUBST(engine_fast2)
                    227: AC_SUBST(no_dynamic)
                    228: AC_SUBST(image_i)
1.179     pazsan    229: AC_SUBST(signals_o)
1.308     pazsan    230: AC_SUBST(mi_prefix)
1.7       anton     231: 
1.174     anton     232: #this is used to disable some (not generally essential) part of the
                    233: #Makefile that some makes don't grok.  It would be better to test for
                    234: #this specific Makefile feature than the make version.
1.128     pazsan    235: AC_MSG_CHECKING(make type)
1.174     anton     236: make_type=`make -n -v 2>&1|grep 'ake'|sed 's/ake .*/ake/'`
1.128     pazsan    237: GNUMAKE='#'
                    238: test "$make_type" = "GNU Make" && GNUMAKE=''
                    239: AC_MSG_RESULT($make_type)
                    240: AC_SUBST(GNUMAKE)
                    241: 
1.304     pazsan    242: if test "$ac_export_dynamic" != yes; then
                    243:   AC_MSG_CHECKING([whether the linker accepts -export-dynamic])
                    244:   OLDLDFLAGS=$LDFLAGS
                    245:   LDFLAGS="$LDFLAGS -export-dynamic"
                    246:   dnl AC_TRY_LINK gives false positive on rs6000-ibm-aix4.2.1.0
                    247:   dnl AC_TRY_LINK(,,ac_export_dynamic=yes,ac_export_dynamic=no)
                    248:   AC_TRY_RUN(main(){exit(0);},ac_export_dynamic=yes,ac_export_dynamic=no,ac_export_dynamic=no)
                    249:   test $ac_export_dynamic = yes|| LDFLAGS=$OLDLDFLAGS
                    250:   AC_MSG_RESULT($ac_export_dynamic)
                    251: else
                    252:   LDFLAGS="$LDFLAGS -export-dynamic"
                    253: fi
1.50      jwilke    254: 
1.1       anton     255: #terminology is a bit unusual here: The host is the system on which
                    256: #gforth will run; the system on which configure will run is the `build'
                    257: case "$host_cpu" in
1.136     anton     258:        arm*)
                    259:                machine=arm
1.319   ! pazsan    260:                CFLAGS="$CFLAGS -fomit-frame-pointer"
1.184     pazsan    261:                if test x$platform = xnxt; then
1.183     pazsan    262:                   CFLAGS="$CFLAGS -mthumb -mthumb-interwork"
                    263:                fi
1.319   ! pazsan    264:                case "$host_os" in
        !           265:                     *android*)
        !           266:                        CFLAGS="$CFLAGS -march=armv7-a -mfloat-abi=softfp -mfpu=vfpv3-d16"
        !           267:                        ;;
        !           268:                esac
1.175     anton     269:                if test -z $arm_cacheflush; then
1.212     dvdkhlng  270:                   case "$host_os" in
                    271:                     *linux*)
1.260     anton     272:                        AC_LIBOBJ(../arch/arm/cacheflush-linux) 
1.212     dvdkhlng  273:                        ;;
                    274:                     *)   
                    275:                        no_dynamic_default=1
1.260     anton     276:                        AC_LIBOBJ(../arch/arm/cacheflush0)
1.212     dvdkhlng  277:                        AC_MSG_WARN([No I-cache flush code known, disabling dynamic native code generation])
                    278:                        ;;
                    279:                    esac
1.260     anton     280:                 else
                    281:                    AC_LIBOBJ(../$arm_cacheflush)
                    282:                    test $srcdir = . || AC_MSG_WARN([setting arm_cacheflush requires building in the source directory])
1.136     anton     283:                fi
1.177     anton     284:                 #longer skipcodes lead to problems on ARM, and it uses
                    285:                 #only 4-byte alignment anyway
                    286:                test "$skipcode" || skipcode="nop"
1.136     anton     287:                ;;
1.1       anton     288:        hppa*)
1.34      anton     289:                machine=hppa
1.87      pazsan    290:                AC_LIBOBJ(../arch/hppa/cache)
1.134     anton     291:                #-N needed for --dynamic <M4U3b.3790$9d.317@news.cpqcorp.net>
                    292:                LDFLAGS="$LDFLAGS -Xlinker -N"
1.47      anton     293:                LIBS="$LIBS -L/lib/pa1.1/"
1.1       anton     294:                ;;
                    295:        sparc*)
1.34      anton     296:                machine=sparc
1.1       anton     297:                ;;
1.31      anton     298:        i386)
1.34      anton     299:                machine=386
1.189     anton     300:                CFLAGS="$CFLAGS -fomit-frame-pointer -fforce-addr"
1.31      anton     301:                ;;
                    302:        i486)
1.34      anton     303:                machine=386
1.282     dvdkhlng  304:                CFLAGS="$CFLAGS -fomit-frame-pointer -fforce-addr"
                    305:                CFLAGS_1="$CFLAGS"
                    306:                CFLAGS="$CFLAGS -march=i486"
                    307:                AC_TRY_COMPILE(,,,CFLAGS="$CFLAGS_1 -m486")
                    308:                AC_TRY_COMPILE(,,,CFLAGS="$CFLAGS_1")
1.31      anton     309:                ;;
1.77      anton     310:        i*86)
1.34      anton     311:                machine=386
1.189     anton     312:                CFLAGS="$CFLAGS -fomit-frame-pointer -fforce-addr"
1.56      pazsan    313:                CFLAGS_1="$CFLAGS"
1.282     dvdkhlng  314:                CFLAGS="$CFLAGS -march=pentium -mtune=generic"
                    315:                AC_TRY_COMPILE(,,,CFLAGS="$CFLAGS_1 -march=pentium")
1.56      pazsan    316:                AC_TRY_COMPILE(,,,CFLAGS="$CFLAGS_1 -m486")
1.282     dvdkhlng  317:                AC_TRY_COMPILE(,,,CFLAGS="$CFLAGS_1")
1.1       anton     318:                ;;
1.133     anton     319:        x86_64)
1.192     pazsan    320:                case $CC
                    321:                in
                    322:                    *-m32*)
                    323:                        machine=386
                    324:                        CFLAGS="$CFLAGS -fomit-frame-pointer -fforce-addr"
                    325:                        CFLAGS_1="$CFLAGS"
                    326:                        CFLAGS="$CFLAGS -march=athlon64"
                    327:                        ;;
                    328:                    *)
                    329:                        machine=amd64
                    330:                        ;;
                    331:                esac
1.133     anton     332:                ;;
1.136     anton     333:        ia64*)
                    334:                machine=ia64
                    335:                AC_LIBOBJ(../arch/ia64/flush_icache_block)
                    336:                test "$skipcode" || skipcode="nop.i 0"
                    337:                #".skip 16" passes the test below,
                    338:                # but gives an assembler error in engine
                    339:                ;;
1.26      pazsan    340:         m68k)
1.34      anton     341:                machine=m68k
1.32      pazsan    342:                CFLAGS="$CFLAGS -fomit-frame-pointer"
                    343:                if test "$host_os" = "nextstep3"
                    344:                then
1.87      pazsan    345:                        AC_LIBOBJ(termios)
1.32      pazsan    346:                fi
1.26      pazsan    347:                ;;
1.1       anton     348:        mips*)
1.34      anton     349:                machine=mips
1.281     dvdkhlng  350:                AC_LIBOBJ(../arch/mips/check_prim) 
1.92      anton     351:                #dynamic native code has the following problems on MIPS:
                    352:                #
                    353:                #1) J/JAL seems relocatable, but is are only
                    354:                #relocatable within a 256MB-segment.  While we try to
                    355:                #get the linker to arrange this, there is no guarantee
                    356:                #that this will succeed (and if the user uses a lot of
                    357:                #memory, it is likely to fail).
                    358:                #
                    359:                #2) The way we generate dynamic native code may
                    360:                #violate MIPS architectural restrictions (in
                    361:                #particular, the delay slots of LW, MFLO, etc.)
                    362:                #
                    363:                #Therefore we disable dynamic native code by default:
1.255     anton     364:                if test -z "$no_dynamic_default"; then
1.136     anton     365:                    no_dynamic_default=1
                    366:                    AC_MSG_WARN([Disabling default dynamic native code generation (relocation and delay slot issues)])
                    367:                fi
1.1       anton     368:                ;;
1.9       pazsan    369:        alpha*)
1.34      anton     370:                machine=alpha
1.58      anton     371:                #full IEEE FP support for more uniformity across platforms:
                    372:                CFLAGS="$CFLAGS -mieee"
1.9       pazsan    373:                ;;
1.69      anton     374:        power*|rs6000)
1.34      anton     375:                machine=power
1.138     anton     376:                AC_CHECK_FUNC(_sync_cache_range,[true],[AC_LIBOBJ(../arch/power/_sync_cache_range)])
1.103     anton     377:                #long long is broken on (at least) gcc-2.95.* for PPC
1.165     anton     378:                test x$ac_cv_sizeof_long_long = x && 
1.238     anton     379:                ($CC -v 2>&1 |grep 'gcc version 2.95' >/dev/null) &&
1.263     anton     380:                      ac_cv_sizeof_long_long=0
1.203     anton     381:                 #The only architecture with enough callee-saved registers
                    382:                 test x$STACK_CACHE_REGS = x && STACK_CACHE_REGS=3
                    383:                 #or use 2, hardly slower at run-time and starts up faster
1.263     anton     384: 
                    385:                 #the skipcode that is normally selected below does not
                    386:                 #work with gcc-3.[34]
                    387:                test "$skipcode" || skipcode="nop\nnop\nnop\nnop"
1.31      anton     388:                ;;
1.1       anton     389:        *)
1.92      anton     390:                AC_MSG_WARN([Using a generic machine description])
                    391:                AC_MSG_WARN([Assuming C floats and doubles are IEEE floats and doubles (for SF@ DF@ SF! DF!)])
                    392:                AC_MSG_WARN([FLUSH-ICACHE will do nothing, so END-CODE may not work properly!])
1.34      anton     393:                machine=generic
1.97      anton     394:                #I-cache flushing would be needed for dynamic code generation
1.136     anton     395:                if test -z $no_dynamic_default; then
                    396:                    no_dynamic_default=1
                    397:                    AC_MSG_WARN([No I-cache flush code known, disabling dynamic native code generation])
                    398:                fi
1.1       anton     399: esac
1.10      anton     400: AC_SUBST(host)
1.151     anton     401: 
1.184     pazsan    402: MAKEINC=""
1.276     pazsan    403: GFORTH_EXE="true"
1.184     pazsan    404: 
                    405: echo "Check for arch/$machine/$platform/gforth.ld ($EC_MODE)"
1.183     pazsan    406: if test x$EC_MODE = xtrue
                    407: then
1.184     pazsan    408:        echo "Check for arch/$machine/$platform/gforth.ld"
                    409:        if test -f arch/$machine/$platform/gforth.ld
1.183     pazsan    410:        then
1.184     pazsan    411:                LDFLAGS="-T ../arch/$machine/$platform/gforth.ld -Map \$@.map -cref --gc-sections $LDFLAGS"
                    412:                if test x$platform = xnxt; then
1.183     pazsan    413:                        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 $LIBS"
                    414:                fi
                    415:        fi
1.184     pazsan    416:        if test -f arch/$machine/$platform/make.inc
                    417:        then
                    418:                MAKEINC="include ../arch/$machine/$platform/make.inc"
1.276     pazsan    419:                GFORTH_EXE="\$(MAKE) -f arch/$machine/$platform/make.inc \$@.exe"
1.184     pazsan    420:        fi
1.183     pazsan    421: fi
1.184     pazsan    422: AC_SUBST(MAKEINC)
1.183     pazsan    423: 
1.203     anton     424: AC_ARG_VAR(STACK_CACHE_REGS, [number of registers in the maximum stack cache state for gforth-fast and gforth-native (default platform-dependent).])
                    425: 
                    426: test x$STACK_CACHE_REGS = x && STACK_CACHE_REGS=1
                    427: AC_DEFINE_UNQUOTED(STACK_CACHE_REGS, $STACK_CACHE_REGS,
                    428:                   [number of registers in the maximum stack cache state for gforth-fast and gforth-native])
1.151     anton     429: test x$STACK_CACHE_DEFAULT_FAST = x && STACK_CACHE_DEFAULT_FAST=1
                    430: AC_DEFINE_UNQUOTED(STACK_CACHE_DEFAULT_FAST, $STACK_CACHE_DEFAULT_FAST,
                    431:                   [number of registers in the default stack cache state for gforth-fast and gforth-native])
1.146     pazsan    432: 
1.173     anton     433: test x$GCC_PR15242_WORKAROUND = x ||
                    434: AC_DEFINE_UNQUOTED(GCC_PR15242_WORKAROUND, $GCC_PR15242_WORKAROUND,
                    435:                    [force (1) or forbid (0) use of a workaround for a gcc performance bug])
                    436: 
1.103     anton     437: dnl the following macro produces a warning with autoconf-2.1
                    438: AC_CHECK_SIZEOF(char *)
                    439: case "$ac_cv_sizeof_char_p" in
                    440:   2)
                    441:     wordsize=16
                    442:     ;;
                    443:   4)
                    444:     wordsize=32
                    445:     ;;
                    446:   8)
                    447:     wordsize=64
                    448:     ;;
                    449: esac
                    450: 
1.183     pazsan    451: AC_CHECK_SIZEOF(void *)
                    452: case "$ac_cv_sizeof_void_p" in
                    453:   2)
                    454:     vwordsize=16
                    455:     ;;
                    456:   4)
                    457:     vwordsize=32
                    458:     ;;
                    459:   8)
                    460:     vwordsize=64
                    461:     ;;
                    462: esac
                    463: 
1.103     anton     464: AC_CHECK_SIZEOF(char)
                    465: AC_CHECK_SIZEOF(short)
                    466: AC_CHECK_SIZEOF(int)
                    467: AC_CHECK_SIZEOF(long)
                    468: AC_CHECK_SIZEOF(long long)
                    469: AC_CHECK_SIZEOF(intptr_t)
                    470: AC_CHECK_SIZEOF(int128_t)
1.144     pazsan    471: AC_CHECK_SIZEOF(uint128_t)
1.103     anton     472: 
                    473: AC_MSG_CHECKING([for a C type for cells])
                    474: ac_cv_int_type_cell=none
                    475: case "$ac_cv_sizeof_char_p" in
                    476:   $ac_cv_sizeof_int)
                    477:     ac_cv_int_type_cell=int
                    478:     ;;
                    479:   $ac_cv_sizeof_short)
                    480:     ac_cv_int_type_cell=short
                    481:     ;;
                    482:   $ac_cv_sizeof_char)
                    483:     ac_cv_int_type_cell=char
                    484:     ;;
                    485:   $ac_cv_sizeof_long)
                    486:     ac_cv_int_type_cell=long
                    487:     ;;
                    488:   $ac_cv_sizeof_long_long)
                    489:     ac_cv_int_type_cell="long long"
                    490:     ;;
                    491:   $ac_cv_sizeof_intptr_t)
                    492:     ac_cv_int_type_cell="intptr_t"
                    493:     ;;
                    494: esac
                    495: AC_MSG_RESULT($ac_cv_int_type_cell)
                    496: AC_DEFINE_UNQUOTED(CELL_TYPE,$ac_cv_int_type_cell,[an integer type that is as long as a pointer])
                    497: 
1.153     pazsan    498: AC_MSG_CHECKING([for a C type for wydes])
                    499: ac_cv_wyde_type_cell=none
                    500: case 2 in
                    501:   $ac_cv_sizeof_int)
                    502:     ac_cv_wyde_type_cell=int
                    503:     ;;
                    504:   $ac_cv_sizeof_short)
                    505:     ac_cv_wyde_type_cell=short
                    506:     ;;
                    507:   $ac_cv_sizeof_char)
                    508:     ac_cv_wyde_type_cell=char
                    509:     ;;
                    510:   $ac_cv_sizeof_long)
                    511:     ac_cv_wyde_type_cell=long
                    512:     ;;
                    513:   $ac_cv_sizeof_long_long)
                    514:     ac_cv_wyde_type_cell="long long"
                    515:     ;;
                    516:   $ac_cv_sizeof_intptr_t)
                    517:     ac_cv_wyde_type_cell="intptr_t"
                    518:     ;;
                    519: esac
                    520: AC_MSG_RESULT($ac_cv_wyde_type_cell)
                    521: AC_DEFINE_UNQUOTED(WYDE_TYPE,$ac_cv_wyde_type_cell,[an integer type that is 2 bytes long])
                    522: 
                    523: AC_MSG_CHECKING([for a C type for tetrabytes])
                    524: ac_cv_tetrabyte_type_cell=none
                    525: case 4 in
                    526:   $ac_cv_sizeof_int)
                    527:     ac_cv_tetrabyte_type_cell=int
                    528:     ;;
                    529:   $ac_cv_sizeof_short)
                    530:     ac_cv_tetrabyte_type_cell=short
                    531:     ;;
                    532:   $ac_cv_sizeof_char)
                    533:     ac_cv_tetrabyte_type_cell=char
                    534:     ;;
                    535:   $ac_cv_sizeof_long)
                    536:     ac_cv_tetrabyte_type_cell=long
                    537:     ;;
                    538:   $ac_cv_sizeof_long_long)
                    539:     ac_cv_tetrabyte_type_cell="long long"
                    540:     ;;
                    541:   $ac_cv_sizeof_intptr_t)
                    542:     ac_cv_tetrabyte_type_cell="intptr_t"
                    543:     ;;
                    544: esac
                    545: AC_MSG_RESULT($ac_cv_tetrabyte_type_cell)
                    546: AC_DEFINE_UNQUOTED(TETRABYTE_TYPE,$ac_cv_tetrabyte_type_cell,[an integer type that is 4 bytes long])
                    547: 
1.277     pazsan    548: AC_MSG_CHECKING([for a C type for octabytes])
                    549: ac_cv_octabyte_type_cell=none
                    550: case 8 in
                    551:   $ac_cv_sizeof_int)
                    552:     ac_cv_octabyte_type_cell=int
                    553:     ;;
                    554:   $ac_cv_sizeof_short)
                    555:     ac_cv_octabyte_type_cell=short
                    556:     ;;
                    557:   $ac_cv_sizeof_char)
                    558:     ac_cv_octabyte_type_cell=char
                    559:     ;;
                    560:   $ac_cv_sizeof_long)
                    561:     ac_cv_octabyte_type_cell=long
                    562:     ;;
                    563:   $ac_cv_sizeof_long_long)
                    564:     ac_cv_octabyte_type_cell="long long"
                    565:     ;;
                    566:   $ac_cv_sizeof_intptr_t)
                    567:     ac_cv_octabyte_type_cell="intptr_t"
                    568:     ;;
                    569: esac
                    570: AC_MSG_RESULT($ac_cv_octabyte_type_cell)
                    571: AC_DEFINE_UNQUOTED(OCTABYTE_TYPE,$ac_cv_octabyte_type_cell,[an integer type that is 8 bytes long])
                    572: 
1.103     anton     573: AC_MSG_CHECKING([for a C type for double-cells])
                    574: ac_cv_int_type_double_cell=none
                    575: case `expr 2 '*' "$ac_cv_sizeof_char_p"` in
                    576:   $ac_cv_sizeof_short)
                    577:     ac_cv_int_type_double_cell=short
                    578:     ;;
                    579:   $ac_cv_sizeof_int)
                    580:     ac_cv_int_type_double_cell=int
                    581:     ;;
                    582:   $ac_cv_sizeof_long)
                    583:     ac_cv_int_type_double_cell=long
                    584:     ;;
                    585:   $ac_cv_sizeof_long_long)
                    586:     ac_cv_int_type_double_cell="long long"
                    587:     ;;
                    588:   $ac_cv_sizeof_intptr_t)
                    589:     ac_cv_int_type_double_cell="intptr_t"
                    590:     ;;
1.205     anton     591:   $ac_cv_sizeof_int128_t)
1.103     anton     592:     ac_cv_int_type_double_cell="int128_t"
                    593:     ;;
                    594: esac
                    595: AC_MSG_RESULT($ac_cv_int_type_double_cell)
1.144     pazsan    596: 
                    597: AC_MSG_CHECKING([for a C type for unsigned double-cells])
                    598: ac_cv_int_type_double_ucell=none
                    599: case `expr 2 '*' "$ac_cv_sizeof_char_p"` in
                    600:   $ac_cv_sizeof_short)
                    601:     ac_cv_int_type_double_ucell="unsigned short"
                    602:     ;;
                    603:   $ac_cv_sizeof_int)
                    604:     ac_cv_int_type_double_ucell="unsigned int"
                    605:     ;;
                    606:   $ac_cv_sizeof_long)
                    607:     ac_cv_int_type_double_ucell="unsigned long"
                    608:     ;;
                    609:   $ac_cv_sizeof_long_long)
                    610:     ac_cv_int_type_double_ucell="unsigned long long"
                    611:     ;;
                    612:   $ac_cv_sizeof_intptr_t)
                    613:     ac_cv_int_type_double_ucell="unsigned intptr_t"
                    614:     ;;
                    615:   $ac_cv_sizeof_uint128_t)
                    616:     ac_cv_int_type_double_ucell="uint128_t"
                    617:     ;;
                    618: esac
                    619: AC_MSG_RESULT($ac_cv_int_type_double_ucell)
                    620: 
1.204     anton     621: if test "$ac_cv_int_type_double_cell" != none && \
                    622:    test "$ac_cv_int_type_double_ucell" != none
1.144     pazsan    623: then
1.103     anton     624:        AC_DEFINE_UNQUOTED(DOUBLE_CELL_TYPE,$ac_cv_int_type_double_cell,[an integer type that is twice as long as a pointer])
1.144     pazsan    625:        AC_DEFINE_UNQUOTED(DOUBLE_UCELL_TYPE,$ac_cv_int_type_double_ucell,[an unsigned integer type that is twice as long as a pointer])
1.206     anton     626:         OPTS=-ll
                    627: else
1.217     pazsan    628:         if test "$ac_cv_sizeof_char_p" = 8; then
1.213     anton     629:            OPTS="-ll -noll"
1.206     anton     630:         else
                    631:            OPTS=-noll
                    632:         fi
1.103     anton     633: fi
1.207     anton     634: 
1.258     anton     635: if grep FORCE_REG $srcdir/arch/$machine/machine.h >/dev/null; then
1.227     pazsan    636:    OPTS2=''
                    637:    for i in $OPTS; do OPTS2="$OPTS2 $i-reg"; done
                    638:    OPTS="$OPTS2 $OPTS"
1.223     anton     639: else
                    640:   AC_DEFINE_UNQUOTED(FORCE_REG_UNNECESSARY,,[defined if the platform does not need FORCE_REG])
1.207     anton     641: fi
1.206     anton     642: AC_SUBST(OPTS)
1.103     anton     643: 
                    644: AC_TYPE_OFF_T
                    645: AC_CHECK_SIZEOF(off_t)
                    646: test $ac_cv_sizeof_off_t -gt $ac_cv_sizeof_char_p
                    647: ac_small_off_t=$?
                    648: AC_DEFINE_UNQUOTED(SMALL_OFF_T,$ac_small_off_t,[1 if off_t fits in a Cell])
1.1       anton     649: 
1.109     anton     650: ENGINE_FLAGS=
                    651: AC_SUBST(ENGINE_FLAGS)
                    652: 
                    653: # Try if GCC understands -fno-gcse
                    654: 
                    655: AC_MSG_CHECKING([if $CC understands -fno-gcse])
                    656: CFLAGS_1="$CFLAGS"
                    657: CFLAGS="$CFLAGS -fno-gcse"
                    658: AC_TRY_COMPILE(,,ac_nogcse=yes;ENGINE_FLAGS="$ENGINE_FLAGS -fno-gcse",ac_nogcse=no)
                    659: CFLAGS="$CFLAGS_1"
                    660: AC_MSG_RESULT($ac_nogcse)
                    661: 
                    662: # Try if GCC understands -fno-strict-aliasing
                    663: AC_MSG_CHECKING([if $CC understands -fno-strict-aliasing])
                    664: CFLAGS_1="$CFLAGS"
                    665: CFLAGS="$CFLAGS -fno-strict-aliasing"
                    666: AC_TRY_COMPILE(,,ac_nostrictaliasing=yes;ENGINE_FLAGS="$ENGINE_FLAGS -fno-strict-aliasing",ac_nostrictaliasing=no)
                    667: CFLAGS="$CFLAGS_1"
                    668: AC_MSG_RESULT($ac_nostrictaliasing)
                    669: 
1.123     anton     670: # Try if GCC understands -fno-crossjumping
                    671: AC_MSG_CHECKING([if $CC understands -fno-crossjumping])
1.88      pazsan    672: CFLAGS_1="$CFLAGS"
1.123     anton     673: CFLAGS="$CFLAGS -fno-crossjumping"
1.125     anton     674: AC_TRY_COMPILE(,,ac_nocrossjumping=yes;ENGINE_FLAGS="$ENGINE_FLAGS -fno-crossjumping",ac_nocrossjumping=no)
1.109     anton     675: CFLAGS="$CFLAGS_1"
1.124     pazsan    676: AC_MSG_RESULT($ac_nocrossjumping)
1.88      pazsan    677: 
1.137     pazsan    678: # Try if GCC understands -fno-reorder-blocks
                    679: AC_MSG_CHECKING([if $CC understands -fno-reorder-blocks])
                    680: CFLAGS_1="$CFLAGS"
                    681: CFLAGS="$CFLAGS -fno-reorder-blocks"
                    682: AC_TRY_COMPILE(,,ac_noreorder_blocks=yes;ENGINE_FLAGS="$ENGINE_FLAGS -fno-reorder-blocks",ac_noreorder_blocks=no)
                    683: CFLAGS="$CFLAGS_1"
                    684: AC_MSG_RESULT($ac_noreorder_blocks)
                    685: 
1.189     anton     686: # Try if GCC understands -falign-labels=1
                    687: AC_MSG_CHECKING([if $CC understands -falign-labels=1])
                    688: CFLAGS_1="$CFLAGS"
                    689: CFLAGS="$CFLAGS -falign-labels=1"
1.194     anton     690: AC_TRY_COMPILE(,,ac_align_labels=yes;ENGINE_FLAGS="$ENGINE_FLAGS -falign-labels=1",ac_align_labels=no)
1.189     anton     691: CFLAGS="$CFLAGS_1"
                    692: AC_MSG_RESULT($ac_align_labels)
                    693: 
1.193     anton     694: # Try if GCC understands -falign-loops=1
                    695: AC_MSG_CHECKING([if $CC understands -falign-loops=1])
                    696: CFLAGS_1="$CFLAGS"
                    697: CFLAGS="$CFLAGS -falign-loops=1"
1.194     anton     698: AC_TRY_COMPILE(,,ac_align_loops=yes;ENGINE_FLAGS="$ENGINE_FLAGS -falign-loops=1",ac_align_loops=no)
1.193     anton     699: CFLAGS="$CFLAGS_1"
                    700: AC_MSG_RESULT($ac_align_loops)
                    701: 
                    702: # Try if GCC understands -falign-jumps=1
                    703: AC_MSG_CHECKING([if $CC understands -falign-jumps=1])
                    704: CFLAGS_1="$CFLAGS"
                    705: CFLAGS="$CFLAGS -falign-jumps=1"
1.194     anton     706: AC_TRY_COMPILE(,,ac_align_jumps=yes;ENGINE_FLAGS="$ENGINE_FLAGS -falign-jumps=1",ac_align_jumps=no)
1.193     anton     707: CFLAGS="$CFLAGS_1"
                    708: AC_MSG_RESULT($ac_align_jumps)
                    709: 
1.271     anton     710: if test -z "$LIBTOOL_CC"
                    711: then
                    712:   LIBTOOL_CC="$CC"
                    713:   # Try if GCC understands -Wimplicit-function-declaration
                    714:   AC_MSG_CHECKING([if $CC understands -Wimplicit-function-declaration])
                    715:   CFLAGS_1="$CFLAGS"
                    716:   CFLAGS="$CFLAGS -Wimplicit-function-declaration"
                    717:   AC_TRY_COMPILE(,,LIBTOOL_CC="$CC -Wimplicit-function-declaration",)
                    718:   CFLAGS="$CFLAGS_1"
                    719:   AC_MSG_RESULT($ac_align_jumps)
                    720: fi
                    721: AC_SUBST(LIBTOOL_CC)
                    722: 
                    723: 
                    724: 
1.130     anton     725: # Try if GCC understands __attribute__((unused))
                    726: AC_MSG_CHECKING([how to suppress 'unused variable' warnings])
                    727: AC_TRY_COMPILE(,[int __attribute__((unused)) foo;], MAYBE_UNUSED='__attribute__((unused))',)
                    728: AC_DEFINE_UNQUOTED(MAYBE_UNUSED,$MAYBE_UNUSED,[attribute for possibly unused variables])
                    729: AC_MSG_RESULT($MAYBE_UNUSED)
                    730: 
1.289     anton     731: # Try if GCC understands __thread
1.306     pazsan    732: AC_CACHE_CHECK([whether gcc understands '__thread'], [ac_cv_thread],
                    733:      [AC_TRY_COMPILE(,[extern __thread int foo;],
                    734:                         [ac_cv_thread=yes],
                    735:                         [ac_cv_thread=no])])
                    736: test x$ac_cv_thread = xyes && PER_THREAD='__thread'
1.289     anton     737: AC_DEFINE_UNQUOTED(PER_THREAD,$PER_THREAD,[storage class for thread-local variables])
                    738: 
1.195     anton     739: #try if m4 understands -s
                    740: AC_MSG_CHECKING([how to invoke m4])
1.196     anton     741: if m4 -s /dev/null >/dev/null 2>&1; then
1.195     anton     742:  M4="m4 -s"
                    743: else
                    744:  M4=m4
                    745: fi
                    746: AC_SUBST(M4)
                    747: AC_MSG_RESULT($M4)
                    748: 
1.215     anton     749: #echo "machine='$machine'"
1.191     anton     750: 
                    751: dnl AC_CHECK_PROG(asm_fs,asm.fs,arch/$machine/asm.fs,,$srcdir/arch/$machine)
1.275     pazsan    752: if test x$EC_MODE = xfalse
                    753: then
1.278     dvdkhlng  754:   AS_IF([test -f $srcdir/arch/$machine/asm.fs],
                    755:         [asm_fs=arch/$machine/asm.fs])
1.275     pazsan    756: fi
1.61      anton     757: AC_SUBST(asm_fs)
                    758: 
1.191     anton     759: dnl AC_CHECK_PROG(disasm_fs,disasm.fs,arch/$machine/disasm.fs,,$srcdir/arch/$machine)
1.275     pazsan    760: if test x$EC_MODE = xfalse
                    761: then
1.278     dvdkhlng  762:   AS_IF([test -f $srcdir/arch/$machine/disasm.fs],
                    763:        [disasm_fs=arch/$machine/disasm.fs])
1.275     pazsan    764: fi
1.61      anton     765: AC_SUBST(disasm_fs)
                    766: 
1.116     anton     767: AC_PATH_PROG(INSTALL_INFO,install-info,[echo '>>>>Please make info dir entry:'],$PATH:/sbin:/usr/sbin:/usr/local/sbin)
1.114     anton     768: 
1.39      pazsan    769: case "$host_os" in
1.97      anton     770:        *darwin*)
1.316     pazsan    771:                #dar*win* must be first, not to confuse with cygwin, win32 or similar
1.97      anton     772:                #Darwin uses some funny preprocessor by default; eliminate it:
1.127     anton     773:                AC_MSG_NOTICE([using -no-cpp-precomp on Darwin])
1.120     anton     774:                CFLAGS="$CFLAGS -no-cpp-precomp"
1.98      anton     775:                DIRSEP="/"
1.127     anton     776:                PATHSEP=":"
1.141     anton     777:                DEFAULTSYSTEMPREFIX=""
1.243     anton     778:                 #the following magic value was suggested by
                    779:                 #http://mail.python.org/pipermail/pythonmac-sig/2005-October/015190.html
                    780:                 AC_DEFINE_UNQUOTED(MACOSX_DEPLOYMENT_TARGET,"10.3",[an environment variable value needed by libtool on some MacOS X versions])
1.98      anton     781:                ;;
1.316     pazsan    782:        *win*)
                    783:                # !!!FIXME!!! problems with cygwin and ';' as path separator
                    784:                DIRSEP="/" # normal dirsep
1.317     pazsan    785:                PATHSEP=":" # colon as pathsep
                    786:                #we don't want the builtins of command.com/cmd.exe and its
1.316     pazsan    787:                # handling of .com files.
                    788:                #$COMSPEC contains the name of the Windows shell;
                    789:                # the ./ is there, because the bash does not recognize
                    790:                # absolute DOS filenames
1.317     pazsan    791:                DEFAULTSYSTEMPREFIX="" #"./${COMSPEC//\\/\\\\\\\\} /c "
1.316     pazsan    792:                ;;
1.246     pazsan    793:        *linux*)
                    794:                DIRSEP="/"
                    795:                PATHSEP=":"
                    796:                DEFAULTSYSTEMPREFIX=""
1.250     anton     797:                if test -z "$LTDL_LIBRARY_PATH" -a "$wordsize" = 64; then
1.253     pazsan    798:                   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    799:                fi
                    800:                ;;
1.39      pazsan    801:        *)
1.88      pazsan    802:                DIRSEP="/"
1.127     anton     803:                PATHSEP=":"
1.141     anton     804:                DEFAULTSYSTEMPREFIX=""
1.39      pazsan    805:                ;;
                    806: esac
1.88      pazsan    807: AC_SUBST(DIRSEP)
1.89      pazsan    808: AC_DEFINE_UNQUOTED(DIRSEP,'$DIRSEP',[a directory separator character])
1.127     anton     809: AC_SUBST(PATHSEP)
                    810: AC_DEFINE_UNQUOTED(PATHSEP,'$PATHSEP',[a path separator character])
1.141     anton     811: AC_SUBST(DEFAULTSYSTEMPREFIX)
                    812: AC_DEFINE_UNQUOTED(DEFAULTSYSTEMPREFIX,"$DEFAULTSYSTEMPREFIX",[default for environment variable GFORTHSYSTEMPREFIX])
1.250     anton     813: if test -n "$LTDL_LIBRARY_PATH"; then
                    814:    AC_DEFINE_UNQUOTED(LTDL_LIBRARY_PATH,"$LTDL_LIBRARY_PATH",[Define LTDL_LIBRARY_PATH for 64 bit Linux])
                    815: fi                                                                
1.39      pazsan    816: 
1.170     anton     817: #work around SELinux brain damage (from Andrew Haley <12t8f3jakb74g2c@news.supernews.com>)
1.172     anton     818: #This magic incantation  seems to be completely undocumented.
                    819: AC_CHECK_PROG([MASSAGE_EXE],[chcon],[chcon -t unconfined_execmem_exec_t],[true])
1.170     anton     820: 
1.1       anton     821: dnl Now a little support for DOS/DJGCC
1.276     pazsan    822: GFORTHFAST_EXE="$GFORTH_EXE"
                    823: GFORTHITC_EXE="$GFORTH_EXE"
                    824: GFORTHDITC_EXE="$GFORTH_EXE"
1.30      pazsan    825: AC_SUBST(GFORTH_EXE)
1.48      anton     826: AC_SUBST(GFORTHFAST_EXE)
1.83      anton     827: AC_SUBST(GFORTHITC_EXE)
1.30      pazsan    828: AC_SUBST(GFORTHDITC_EXE)
1.27      anton     829: 
                    830: AC_SUBST(FORTHSIZES)
1.24      anton     831: 
1.104     anton     832: dnl if test "$PEEPHOLE" = "yes"
                    833: dnl then
                    834: dnl    PEEPHOLEFLAG="true"
                    835: dnl    AC_DEFINE(HAS_PEEPHOLE,,[Define if you want to use peephole optimization])
                    836: dnl else
                    837: dnl    PEEPHOLEFLAG="false"
                    838: dnl fi
                    839: PEEPHOLEFLAG="true"
1.79      pazsan    840: AC_SUBST(PEEPHOLEFLAG)
                    841: 
1.1       anton     842: dnl copy commands for systems that don't have links
1.29      pazsan    843: AC_SUBST(LINK_KERNL)
                    844: LINK_KERNL=""
1.1       anton     845: 
                    846: #if test $host_os=dos
                    847: #then
                    848: #  echo Configuring for DOS!!!
                    849: #  MAKE_EXE="coff2exe gforth"
1.29      pazsan    850: #  LINK_KERNL='$(CP) kernl32l.fi kernel.fi'
1.1       anton     851: #fi
                    852: 
                    853: dnl the following macro produces a warning with autoconf-2.1
                    854: AC_C_BIGENDIAN
1.23      pazsan    855: AC_SUBST(KERNEL)
1.1       anton     856: dnl ac_cv_c_bigendian is an undocumented variable of autoconf-2.1
1.256     pazsan    857: if test $ac_cv_c_bigendian != no; then
1.1       anton     858:   bytesex=b
1.23      pazsan    859:   KERNEL="kernl16b.fi kernl16l.fi kernl32b.fi kernl32l.fi kernl64b.fi kernl64l.fi"
1.1       anton     860: else
                    861:   bytesex=l
1.23      pazsan    862:   KERNEL="kernl16l.fi kernl16b.fi kernl32l.fi kernl32b.fi kernl64l.fi kernl64b.fi"
1.1       anton     863: fi
                    864: 
1.91      anton     865: #check how to do asm(".skip 16")
1.169     anton     866: #echo "CFLAGS=$CFLAGS"
                    867: #echo "ac_link=$ac_link"
1.92      anton     868: AC_MSG_CHECKING([if and how we can waste code space])
1.279     dvdkhlng  869: if test -z "$skipcode" && test x$cross_compiling = xyes; then
                    870:    # we cannot perform the AC_TRY_RUN check when cross-compiling.  
                    871:    skipcode=no
                    872:    AC_MSG_RESULT([$skipcode, can't run checks since cross-compiling])
                    873: elif test -z "$skipcode"; then
1.148     anton     874:     skipcode=no
                    875:     CFLAGS_1="$CFLAGS"
                    876:     CFLAGS="$CFLAGS $ENGINE_FLAGS"
1.136     anton     877:     for i in ".skip 16" ".block 16" ".org .+16" ".=.+16" ".space 16"
                    878:     do
1.91      anton     879:        AC_TRY_RUN(
1.136     anton     880: [int foo(int,int,int);
1.91      anton     881: main()
                    882: {
1.136     anton     883:   exit(foo(0,0,0)!=16);
1.91      anton     884: }
1.136     anton     885: int foo(int x, int y, int z)
1.91      anton     886: {
1.136     anton     887:   static void *labels[]={&&label1, &&label2};
1.91      anton     888:   if (x) {
1.136     anton     889:     y++; /* workaround for http://gcc.gnu.org/bugzilla/show_bug.cgi?id=12108 */
1.91      anton     890:   label1:
1.148     anton     891:     asm("$i"); /* or ".space 16" or somesuch */
1.136     anton     892:   label2: ;
                    893:   }
                    894:   {
                    895:   if (y) goto *labels[z]; /* workaround for gcc PR12108 */
                    896:   return labels[1]-labels[0];
1.91      anton     897:   }
1.136     anton     898: }]
1.92      anton     899:        ,skipcode=$i; break
                    900:        ,,)
1.136     anton     901:     done
1.148     anton     902:     CFLAGS=$CFLAGS_1
1.136     anton     903: fi
1.92      anton     904: AC_MSG_RESULT($skipcode)
                    905: if test "$skipcode" = no
                    906: then 
1.136     anton     907:     if test -z $no_dynamic_default; then
                    908:        no_dynamic_default=1
                    909:        AC_MSG_WARN(Disabling default dynamic native code generation)
                    910:     fi
1.280     dvdkhlng  911:     AC_DEFINE_UNQUOTED(SKIP16,asm(""),statement for skipping 16 bytes)
1.92      anton     912: else
                    913:     AC_DEFINE_UNQUOTED(SKIP16,asm("$skipcode"),statement for skipping 16 bytes)
                    914: fi
1.91      anton     915: 
1.174     anton     916: AC_MSG_CHECKING([if and how we can do comments in asm statements])
                    917: #the point here is to get asm statements that look different to
                    918: #gcc's "optimizer"
                    919: if test -z "$asmcomment"; then
                    920:     asmcomment=no
                    921:     CFLAGS_1="$CFLAGS"
                    922:     CFLAGS="$CFLAGS $ENGINE_FLAGS"
1.176     anton     923:     for i in '"# "' '"! "' '"; "'; do
1.174     anton     924:        AC_TRY_COMPILE(,[asm($i"fluffystunk");],asmcomment=$i; break,)
                    925:     done
                    926:     CFLAGS=$CFLAGS_1
                    927: fi
                    928: AC_MSG_RESULT($asmcomment)
                    929: if test "$asmcomment" != no
                    930: then 
                    931:     AC_DEFINE_UNQUOTED(ASMCOMMENT,$asmcomment,[assembler comment start string])
                    932: fi
                    933: 
1.136     anton     934: test "$no_dynamic_default" || no_dynamic_default=0
1.92      anton     935: AC_DEFINE_UNQUOTED(NO_DYNAMIC_DEFAULT,$no_dynamic_default,default value for no_dynamic)
1.91      anton     936: 
1.1       anton     937: dnl Checks for programs.
                    938: AC_PROG_LN_S
1.95      anton     939: AC_PROG_INSTALL
1.163     pazsan    940: AC_CHECK_PROGS(TEXI2DVI,texi2dvi4a2ps texi2dvi)
1.1       anton     941: 
1.288     anton     942: dnl check for the presence of Emacs
                    943: AC_CHECK_PROGS(EMACS,emacs xemacs)
                    944: test -n "$EMACS" && gforth_elc=gforth.elc
                    945: AC_SUBST(gforth_elc)
                    946: 
1.198     anton     947: dnl MacOS X has a libtool that does something else
1.264     pazsan    948: AC_CHECK_PROGS(GNU_LIBTOOL,"glibtool --tag=CC" libtool)
1.198     anton     949: 
1.269     anton     950: dnl Checks for library functions
                    951: dnl This check is just for making later checks link with libm.
                    952: dnl using sin here is no good idea since it is built-into gcc and typechecked
                    953: AC_CHECK_LIB(m,asin)
1.305     pazsan    954: AC_CHECK_LIB(ltdl,lt_dlinit)
                    955: dnl ,LIB_SUFFIX=.la,LIB_SUFFIX=.so)
                    956: if test "x$ac_cv_lib_ltdl_lt_dlinit" = xyes; then
                    957:   LIB_SUFFIX=.la
                    958: else
                    959:   LIB_SUFFIX=.so
                    960: fi
1.304     pazsan    961: AC_SUBST(LIB_SUFFIX)
1.295     pazsan    962: AC_CHECK_LIB(rt,clock_gettime)
1.269     anton     963: 
                    964: if test -n "$GNU_LIBTOOL" -a $ac_cv_lib_ltdl_lt_dlinit = yes; then
1.258     anton     965:   build_libcc_named=build-libcc-named
                    966: else
1.274     anton     967:   AC_MSG_WARN([No GNU_LIBTOOL found, skip pre-building libcc-based libraries])
1.258     anton     968: fi
                    969: AC_SUBST(build_libcc_named)
                    970: 
1.274     anton     971: 
                    972: if test -z "$GNU_LIBTOOL"; then
                    973:   AC_MSG_WARN([No GNU_LIBTOOL found, using "libtool" as name.])
                    974:   AC_MSG_WARN([libcc.fs won't work until you have installed (GNU) libtool.])
                    975:   GNU_LIBTOOL=libtool
                    976: fi
                    977: 
1.235     anton     978: #check for libffi 2.x
1.237     anton     979: AC_CHECK_HEADER(ffi.h,FFI_H_NAME=ffi.h,)
                    980: if test -z "$FFI_H_NAME"; then
                    981:   AC_CHECK_HEADER(ffi/ffi.h,FFI_H_NAME=ffi/ffi.h,)
                    982: fi
                    983: AC_SUBST(FFI_H_NAME)
1.286     pazsan    984: AC_CHECK_LIB(ffi,ffi_call,LIBS="$LIBS")
1.241     anton     985: if test -n "$FFI_H_NAME" -a $ac_cv_lib_ffi_ffi_call = yes
1.235     anton     986: then
                    987:   LIBFFIFLAG="true"
1.236     anton     988:   LIBCC_BUILD_SRC="$LIBCC_BUILD_SRC libffi.fs"
1.235     anton     989: else
                    990:   LIBFFIFLAG="false"
                    991: fi
                    992: #check for ffcall libraries
                    993: #unfortunately, these four calls are separated out into a library each.
1.286     pazsan    994: AC_CHECK_LIB(avcall,__builtin_avcall,LIBS="$LIBS")
1.234     pazsan    995: dnl AC_CHECK_LIB(callback,__vacall_r)
                    996: dnl AC_CHECK_LIB(vacall,vacall)
                    997: dnl AC_CHECK_LIB(trampoline,alloc_trampoline)
1.235     anton     998: if test $ac_cv_lib_avcall___builtin_avcall = yes; then
                    999:   FFCALLFLAG="true"
1.236     anton    1000:   LIBCC_BUILD_SRC="$LIBCC_BUILD_SRC fflib.fs"
1.235     anton    1001: else
                   1002:   FFCALLFLAG="false"
                   1003: fi
                   1004: if test $LIBFFIFLAG = false -a $FFCALLFLAG = false; then
                   1005:   AC_MSG_WARN([The (old) lib.fs foreign function interface needs either libffi or the ffcall libraries])
                   1006: fi
                   1007: AC_SUBST(LIBFFIFLAG)
                   1008: AC_SUBST(FFCALLFLAG)
1.236     anton    1009: AC_SUBST(LIBCC_BUILD_SRC)
1.32      pazsan   1010: if test "$host_os" != "nextstep3"
                   1011: then
                   1012:        AC_FUNC_MEMCMP
                   1013: fi
1.300     pazsan   1014: AC_REPLACE_FUNCS(memmove strtoul pow10 sincos strerror strsignal atanh)
1.97      anton    1015: AC_FUNC_FSEEKO
1.296     pazsan   1016: AC_CHECK_FUNCS(ftello dlopen sys_siglist getrusage nanosleep clock_gettime)
1.111     anton    1017: AC_CHECK_TYPES(stack_t,,,[#include <signal.h>])
1.19      anton    1018: AC_DECL_SYS_SIGLIST
1.138     anton    1019: AC_CHECK_FUNC(getopt_long,[true],[AC_LIBOBJ(getopt) AC_LIBOBJ(getopt1)])
1.90      anton    1020: AC_CHECK_FUNCS(expm1 log1p)
                   1021: AC_REPLACE_FUNCS(rint ecvt)
1.1       anton    1022: dnl No check for select, because our replacement is no good under
                   1023: dnl anything but DOS
1.277     pazsan   1024: AC_CHECK_HEADERS(sys/mman.h fnmatch.h alloca.h wchar.h endian.h)
1.63      anton    1025: AC_FUNC_FNMATCH
1.87      pazsan   1026: test $ac_cv_func_fnmatch_works = yes || AC_LIBOBJ(fnmatch)
1.255     anton    1027: AC_CHECK_FUNCS(mmap sysconf getpagesize wcwidth)
1.34      anton    1028: AM_PATH_LISPDIR
1.1       anton    1029: 
1.183     pazsan   1030: kernel_fi=kernl${vwordsize}${bytesex}.fi
1.178     pazsan   1031: include_fi=kernl${wordsize}${bytesex}${EC}.fi
1.23      pazsan   1032: AC_SUBST(kernel_fi)
1.178     pazsan   1033: AC_SUBST(include_fi)
1.50      jwilke   1034: 
1.292     pazsan   1035: # Find installed Gforth
                   1036: AC_MSG_CHECKING([for gforth])
                   1037: GFORTH="`cd / && which gforth 2>/dev/null`"
                   1038: #the "$srcdir" = "." test defends agains the "../" bug in gforth-0.6.2
                   1039: (cd / && $GFORTH -e bye >/dev/null 2>/dev/null  && test "$srcdir" = ".") || GFORTH=""
                   1040: if test -z "$GFORTH"; then
                   1041:   PREFORTH='echo "You need to configure with a gforth in \$PATH to build this part" && false'
1.293     pazsan   1042:   GFORTHKER='echo "You need to configure with a gforth in \$PATH to build this part" && false'
1.292     pazsan   1043:   kernel_anti_dependence=''
                   1044: else
                   1045:   GFORTH_FI=`cd / && $GFORTH --debug -e bye 2>&1 |grep "Opened image file: "|sed 's/Opened image file: //'`
                   1046:   PREFORTH="$GFORTH -i $GFORTH_FI" ;
1.308     pazsan   1047:   KERNLX_FI1=`echo $GFORTH_FI | sed -e s/lib[64]*/share/g -e s/gforth.fi/kernl*.fi/g`
1.294     pazsan   1048:   KERNLX_FI2=`echo $GFORTH_FI | sed -e s/gforth.fi/kernl*.fi/g`
                   1049:   test -f $KERNLX_FI1 && KERNLX_FI=$KERNLX_FI1
                   1050:   test -f $KERNLX_FI2 && KERNLX_FI=$KERNLX_FI2
1.293     pazsan   1051:   GFORTHKER="$GFORTH -i `echo $KERNLX_FI`" ;
1.292     pazsan   1052:   kernel_anti_dependence='$(kernel_fi)'
                   1053: fi
                   1054: AC_SUBST(PREFORTH)
1.293     pazsan   1055: AC_SUBST(GFORTHKER)
1.292     pazsan   1056: AC_SUBST(kernel_anti_dependence)
                   1057: AC_MSG_RESULT($PREFORTH)
1.315     pazsan   1058: AC_DEFINE_UNQUOTED(KERNEL, "$kernel_fi", [The kernel to load in the image])
                   1059: AC_DEFINE_UNQUOTED(ARCH, "$machine", [architecture to run on ])
1.292     pazsan   1060: 
1.76      anton    1061: #this breaks bindists
                   1062: #dnl replace srource directory by absolute value
                   1063: #if test $srcdir = "."; then srcdir=`pwd` 
                   1064: #fi
1.8       anton    1065: 
1.34      anton    1066: AC_SUBST(machine)
1.95      anton    1067: AC_CONFIG_FILES([
1.31      anton    1068: Makefile
1.45      pazsan   1069: Makedist
1.43      anton    1070: gforthmi
1.316     pazsan   1071: gforthmi.sh
1.80      anton    1072: vmgen
1.79      pazsan   1073: machpc.fs
1.159     pazsan   1074: envos.fs
1.223     anton    1075: preforth
1.303     pazsan   1076: libforth
1.293     pazsan   1077: gforthker
1.35      anton    1078: engine/Makefile
1.188     anton    1079: engine/libcc.h
1.161     pazsan   1080: doc/version.texi
                   1081: build-ec ])
1.95      anton    1082: AC_CONFIG_COMMANDS([stamp-h],[[echo timestamp > stamp-h
1.43      anton    1083: chmod +x gforthmi
1.80      anton    1084: chmod +x vmgen
1.162     pazsan   1085: chmod +x build-ec
1.223     anton    1086: chmod +x preforth
1.303     pazsan   1087: chmod +x libforth
1.293     pazsan   1088: chmod +x gforthker
1.188     anton    1089: test -d kernel||mkdir kernel
1.258     anton    1090: if test $srcdir != "."; then ln -sf $srcdir/gforth.el .; fi
1.310     pazsan   1091: $srcdir/mkinstalldirs include/gforth$ARCH/$PACKAGE_VERSION
1.262     anton    1092: $srcdir/mkinstalldirs arch/$machine
1.310     pazsan   1093: ln -sf ../../../engine/config.h ../../../engine/libcc.h include/gforth$ARCH/$PACKAGE_VERSION]],
1.262     anton    1094: [PACKAGE_VERSION=$PACKAGE_VERSION
1.310     pazsan   1095:  machine=$machine
                   1096:  ARCH=$ARCH])
1.95      anton    1097: AC_OUTPUT

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