Annotation of gforth/configure.in, revision 1.313

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
1.313   ! pazsan     23: AC_INIT([gforth],[0.7.9-20120723],[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!
1.313   ! pazsan     28: UPDATED="July 23, 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 "$host_cpu" in
1.136     anton     258:        arm*)
                    259:                machine=arm
                    260:                CFLAGS="$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
1.175     anton     264:                if test -z $arm_cacheflush; then
1.212     dvdkhlng  265:                   case "$host_os" in
                    266:                     *linux*)
1.260     anton     267:                        AC_LIBOBJ(../arch/arm/cacheflush-linux) 
1.212     dvdkhlng  268:                        ;;
                    269:                     *)   
                    270:                        no_dynamic_default=1
1.260     anton     271:                        AC_LIBOBJ(../arch/arm/cacheflush0)
1.212     dvdkhlng  272:                        AC_MSG_WARN([No I-cache flush code known, disabling dynamic native code generation])
                    273:                        ;;
                    274:                    esac
1.260     anton     275:                 else
                    276:                    AC_LIBOBJ(../$arm_cacheflush)
                    277:                    test $srcdir = . || AC_MSG_WARN([setting arm_cacheflush requires building in the source directory])
1.136     anton     278:                fi
1.177     anton     279:                 #longer skipcodes lead to problems on ARM, and it uses
                    280:                 #only 4-byte alignment anyway
                    281:                test "$skipcode" || skipcode="nop"
1.136     anton     282:                ;;
1.1       anton     283:        hppa*)
1.34      anton     284:                machine=hppa
1.87      pazsan    285:                AC_LIBOBJ(../arch/hppa/cache)
1.134     anton     286:                #-N needed for --dynamic <M4U3b.3790$9d.317@news.cpqcorp.net>
                    287:                LDFLAGS="$LDFLAGS -Xlinker -N"
1.47      anton     288:                LIBS="$LIBS -L/lib/pa1.1/"
1.1       anton     289:                ;;
                    290:        sparc*)
1.34      anton     291:                machine=sparc
1.1       anton     292:                ;;
1.31      anton     293:        i386)
1.34      anton     294:                machine=386
1.189     anton     295:                CFLAGS="$CFLAGS -fomit-frame-pointer -fforce-addr"
1.31      anton     296:                ;;
                    297:        i486)
1.34      anton     298:                machine=386
1.282     dvdkhlng  299:                CFLAGS="$CFLAGS -fomit-frame-pointer -fforce-addr"
                    300:                CFLAGS_1="$CFLAGS"
                    301:                CFLAGS="$CFLAGS -march=i486"
                    302:                AC_TRY_COMPILE(,,,CFLAGS="$CFLAGS_1 -m486")
                    303:                AC_TRY_COMPILE(,,,CFLAGS="$CFLAGS_1")
1.31      anton     304:                ;;
1.77      anton     305:        i*86)
1.34      anton     306:                machine=386
1.189     anton     307:                CFLAGS="$CFLAGS -fomit-frame-pointer -fforce-addr"
1.56      pazsan    308:                CFLAGS_1="$CFLAGS"
1.282     dvdkhlng  309:                CFLAGS="$CFLAGS -march=pentium -mtune=generic"
                    310:                AC_TRY_COMPILE(,,,CFLAGS="$CFLAGS_1 -march=pentium")
1.56      pazsan    311:                AC_TRY_COMPILE(,,,CFLAGS="$CFLAGS_1 -m486")
1.282     dvdkhlng  312:                AC_TRY_COMPILE(,,,CFLAGS="$CFLAGS_1")
1.1       anton     313:                ;;
1.133     anton     314:        x86_64)
1.192     pazsan    315:                case $CC
                    316:                in
                    317:                    *-m32*)
                    318:                        machine=386
                    319:                        CFLAGS="$CFLAGS -fomit-frame-pointer -fforce-addr"
                    320:                        CFLAGS_1="$CFLAGS"
                    321:                        CFLAGS="$CFLAGS -march=athlon64"
                    322:                        ;;
                    323:                    *)
                    324:                        machine=amd64
                    325:                        ;;
                    326:                esac
1.133     anton     327:                ;;
1.136     anton     328:        ia64*)
                    329:                machine=ia64
                    330:                AC_LIBOBJ(../arch/ia64/flush_icache_block)
                    331:                test "$skipcode" || skipcode="nop.i 0"
                    332:                #".skip 16" passes the test below,
                    333:                # but gives an assembler error in engine
                    334:                ;;
1.26      pazsan    335:         m68k)
1.34      anton     336:                machine=m68k
1.32      pazsan    337:                CFLAGS="$CFLAGS -fomit-frame-pointer"
                    338:                if test "$host_os" = "nextstep3"
                    339:                then
1.87      pazsan    340:                        AC_LIBOBJ(termios)
1.32      pazsan    341:                fi
1.26      pazsan    342:                ;;
1.1       anton     343:        mips*)
1.34      anton     344:                machine=mips
1.281     dvdkhlng  345:                AC_LIBOBJ(../arch/mips/check_prim) 
1.92      anton     346:                #dynamic native code has the following problems on MIPS:
                    347:                #
                    348:                #1) J/JAL seems relocatable, but is are only
                    349:                #relocatable within a 256MB-segment.  While we try to
                    350:                #get the linker to arrange this, there is no guarantee
                    351:                #that this will succeed (and if the user uses a lot of
                    352:                #memory, it is likely to fail).
                    353:                #
                    354:                #2) The way we generate dynamic native code may
                    355:                #violate MIPS architectural restrictions (in
                    356:                #particular, the delay slots of LW, MFLO, etc.)
                    357:                #
                    358:                #Therefore we disable dynamic native code by default:
1.255     anton     359:                if test -z "$no_dynamic_default"; then
1.136     anton     360:                    no_dynamic_default=1
                    361:                    AC_MSG_WARN([Disabling default dynamic native code generation (relocation and delay slot issues)])
                    362:                fi
1.1       anton     363:                ;;
1.9       pazsan    364:        alpha*)
1.34      anton     365:                machine=alpha
1.58      anton     366:                #full IEEE FP support for more uniformity across platforms:
                    367:                CFLAGS="$CFLAGS -mieee"
1.9       pazsan    368:                ;;
1.69      anton     369:        power*|rs6000)
1.34      anton     370:                machine=power
1.138     anton     371:                AC_CHECK_FUNC(_sync_cache_range,[true],[AC_LIBOBJ(../arch/power/_sync_cache_range)])
1.103     anton     372:                #long long is broken on (at least) gcc-2.95.* for PPC
1.165     anton     373:                test x$ac_cv_sizeof_long_long = x && 
1.238     anton     374:                ($CC -v 2>&1 |grep 'gcc version 2.95' >/dev/null) &&
1.263     anton     375:                      ac_cv_sizeof_long_long=0
1.203     anton     376:                 #The only architecture with enough callee-saved registers
                    377:                 test x$STACK_CACHE_REGS = x && STACK_CACHE_REGS=3
                    378:                 #or use 2, hardly slower at run-time and starts up faster
1.263     anton     379: 
                    380:                 #the skipcode that is normally selected below does not
                    381:                 #work with gcc-3.[34]
                    382:                test "$skipcode" || skipcode="nop\nnop\nnop\nnop"
1.31      anton     383:                ;;
1.1       anton     384:        *)
1.92      anton     385:                AC_MSG_WARN([Using a generic machine description])
                    386:                AC_MSG_WARN([Assuming C floats and doubles are IEEE floats and doubles (for SF@ DF@ SF! DF!)])
                    387:                AC_MSG_WARN([FLUSH-ICACHE will do nothing, so END-CODE may not work properly!])
1.34      anton     388:                machine=generic
1.97      anton     389:                #I-cache flushing would be needed for dynamic code generation
1.136     anton     390:                if test -z $no_dynamic_default; then
                    391:                    no_dynamic_default=1
                    392:                    AC_MSG_WARN([No I-cache flush code known, disabling dynamic native code generation])
                    393:                fi
1.1       anton     394: esac
1.10      anton     395: AC_SUBST(host)
1.151     anton     396: 
1.184     pazsan    397: MAKEINC=""
1.276     pazsan    398: GFORTH_EXE="true"
1.184     pazsan    399: 
                    400: echo "Check for arch/$machine/$platform/gforth.ld ($EC_MODE)"
1.183     pazsan    401: if test x$EC_MODE = xtrue
                    402: then
1.184     pazsan    403:        echo "Check for arch/$machine/$platform/gforth.ld"
                    404:        if test -f arch/$machine/$platform/gforth.ld
1.183     pazsan    405:        then
1.184     pazsan    406:                LDFLAGS="-T ../arch/$machine/$platform/gforth.ld -Map \$@.map -cref --gc-sections $LDFLAGS"
                    407:                if test x$platform = xnxt; then
1.183     pazsan    408:                        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 $LIBS"
                    409:                fi
                    410:        fi
1.184     pazsan    411:        if test -f arch/$machine/$platform/make.inc
                    412:        then
                    413:                MAKEINC="include ../arch/$machine/$platform/make.inc"
1.276     pazsan    414:                GFORTH_EXE="\$(MAKE) -f arch/$machine/$platform/make.inc \$@.exe"
1.184     pazsan    415:        fi
1.183     pazsan    416: fi
1.184     pazsan    417: AC_SUBST(MAKEINC)
1.183     pazsan    418: 
1.203     anton     419: AC_ARG_VAR(STACK_CACHE_REGS, [number of registers in the maximum stack cache state for gforth-fast and gforth-native (default platform-dependent).])
                    420: 
                    421: test x$STACK_CACHE_REGS = x && STACK_CACHE_REGS=1
                    422: AC_DEFINE_UNQUOTED(STACK_CACHE_REGS, $STACK_CACHE_REGS,
                    423:                   [number of registers in the maximum stack cache state for gforth-fast and gforth-native])
1.151     anton     424: test x$STACK_CACHE_DEFAULT_FAST = x && STACK_CACHE_DEFAULT_FAST=1
                    425: AC_DEFINE_UNQUOTED(STACK_CACHE_DEFAULT_FAST, $STACK_CACHE_DEFAULT_FAST,
                    426:                   [number of registers in the default stack cache state for gforth-fast and gforth-native])
1.146     pazsan    427: 
1.173     anton     428: test x$GCC_PR15242_WORKAROUND = x ||
                    429: AC_DEFINE_UNQUOTED(GCC_PR15242_WORKAROUND, $GCC_PR15242_WORKAROUND,
                    430:                    [force (1) or forbid (0) use of a workaround for a gcc performance bug])
                    431: 
1.103     anton     432: dnl the following macro produces a warning with autoconf-2.1
                    433: AC_CHECK_SIZEOF(char *)
                    434: case "$ac_cv_sizeof_char_p" in
                    435:   2)
                    436:     wordsize=16
                    437:     ;;
                    438:   4)
                    439:     wordsize=32
                    440:     ;;
                    441:   8)
                    442:     wordsize=64
                    443:     ;;
                    444: esac
                    445: 
1.183     pazsan    446: AC_CHECK_SIZEOF(void *)
                    447: case "$ac_cv_sizeof_void_p" in
                    448:   2)
                    449:     vwordsize=16
                    450:     ;;
                    451:   4)
                    452:     vwordsize=32
                    453:     ;;
                    454:   8)
                    455:     vwordsize=64
                    456:     ;;
                    457: esac
                    458: 
1.103     anton     459: AC_CHECK_SIZEOF(char)
                    460: AC_CHECK_SIZEOF(short)
                    461: AC_CHECK_SIZEOF(int)
                    462: AC_CHECK_SIZEOF(long)
                    463: AC_CHECK_SIZEOF(long long)
                    464: AC_CHECK_SIZEOF(intptr_t)
                    465: AC_CHECK_SIZEOF(int128_t)
1.144     pazsan    466: AC_CHECK_SIZEOF(uint128_t)
1.103     anton     467: 
                    468: AC_MSG_CHECKING([for a C type for cells])
                    469: ac_cv_int_type_cell=none
                    470: case "$ac_cv_sizeof_char_p" in
                    471:   $ac_cv_sizeof_int)
                    472:     ac_cv_int_type_cell=int
                    473:     ;;
                    474:   $ac_cv_sizeof_short)
                    475:     ac_cv_int_type_cell=short
                    476:     ;;
                    477:   $ac_cv_sizeof_char)
                    478:     ac_cv_int_type_cell=char
                    479:     ;;
                    480:   $ac_cv_sizeof_long)
                    481:     ac_cv_int_type_cell=long
                    482:     ;;
                    483:   $ac_cv_sizeof_long_long)
                    484:     ac_cv_int_type_cell="long long"
                    485:     ;;
                    486:   $ac_cv_sizeof_intptr_t)
                    487:     ac_cv_int_type_cell="intptr_t"
                    488:     ;;
                    489: esac
                    490: AC_MSG_RESULT($ac_cv_int_type_cell)
                    491: AC_DEFINE_UNQUOTED(CELL_TYPE,$ac_cv_int_type_cell,[an integer type that is as long as a pointer])
                    492: 
1.153     pazsan    493: AC_MSG_CHECKING([for a C type for wydes])
                    494: ac_cv_wyde_type_cell=none
                    495: case 2 in
                    496:   $ac_cv_sizeof_int)
                    497:     ac_cv_wyde_type_cell=int
                    498:     ;;
                    499:   $ac_cv_sizeof_short)
                    500:     ac_cv_wyde_type_cell=short
                    501:     ;;
                    502:   $ac_cv_sizeof_char)
                    503:     ac_cv_wyde_type_cell=char
                    504:     ;;
                    505:   $ac_cv_sizeof_long)
                    506:     ac_cv_wyde_type_cell=long
                    507:     ;;
                    508:   $ac_cv_sizeof_long_long)
                    509:     ac_cv_wyde_type_cell="long long"
                    510:     ;;
                    511:   $ac_cv_sizeof_intptr_t)
                    512:     ac_cv_wyde_type_cell="intptr_t"
                    513:     ;;
                    514: esac
                    515: AC_MSG_RESULT($ac_cv_wyde_type_cell)
                    516: AC_DEFINE_UNQUOTED(WYDE_TYPE,$ac_cv_wyde_type_cell,[an integer type that is 2 bytes long])
                    517: 
                    518: AC_MSG_CHECKING([for a C type for tetrabytes])
                    519: ac_cv_tetrabyte_type_cell=none
                    520: case 4 in
                    521:   $ac_cv_sizeof_int)
                    522:     ac_cv_tetrabyte_type_cell=int
                    523:     ;;
                    524:   $ac_cv_sizeof_short)
                    525:     ac_cv_tetrabyte_type_cell=short
                    526:     ;;
                    527:   $ac_cv_sizeof_char)
                    528:     ac_cv_tetrabyte_type_cell=char
                    529:     ;;
                    530:   $ac_cv_sizeof_long)
                    531:     ac_cv_tetrabyte_type_cell=long
                    532:     ;;
                    533:   $ac_cv_sizeof_long_long)
                    534:     ac_cv_tetrabyte_type_cell="long long"
                    535:     ;;
                    536:   $ac_cv_sizeof_intptr_t)
                    537:     ac_cv_tetrabyte_type_cell="intptr_t"
                    538:     ;;
                    539: esac
                    540: AC_MSG_RESULT($ac_cv_tetrabyte_type_cell)
                    541: AC_DEFINE_UNQUOTED(TETRABYTE_TYPE,$ac_cv_tetrabyte_type_cell,[an integer type that is 4 bytes long])
                    542: 
1.277     pazsan    543: AC_MSG_CHECKING([for a C type for octabytes])
                    544: ac_cv_octabyte_type_cell=none
                    545: case 8 in
                    546:   $ac_cv_sizeof_int)
                    547:     ac_cv_octabyte_type_cell=int
                    548:     ;;
                    549:   $ac_cv_sizeof_short)
                    550:     ac_cv_octabyte_type_cell=short
                    551:     ;;
                    552:   $ac_cv_sizeof_char)
                    553:     ac_cv_octabyte_type_cell=char
                    554:     ;;
                    555:   $ac_cv_sizeof_long)
                    556:     ac_cv_octabyte_type_cell=long
                    557:     ;;
                    558:   $ac_cv_sizeof_long_long)
                    559:     ac_cv_octabyte_type_cell="long long"
                    560:     ;;
                    561:   $ac_cv_sizeof_intptr_t)
                    562:     ac_cv_octabyte_type_cell="intptr_t"
                    563:     ;;
                    564: esac
                    565: AC_MSG_RESULT($ac_cv_octabyte_type_cell)
                    566: AC_DEFINE_UNQUOTED(OCTABYTE_TYPE,$ac_cv_octabyte_type_cell,[an integer type that is 8 bytes long])
                    567: 
1.103     anton     568: AC_MSG_CHECKING([for a C type for double-cells])
                    569: ac_cv_int_type_double_cell=none
                    570: case `expr 2 '*' "$ac_cv_sizeof_char_p"` in
                    571:   $ac_cv_sizeof_short)
                    572:     ac_cv_int_type_double_cell=short
                    573:     ;;
                    574:   $ac_cv_sizeof_int)
                    575:     ac_cv_int_type_double_cell=int
                    576:     ;;
                    577:   $ac_cv_sizeof_long)
                    578:     ac_cv_int_type_double_cell=long
                    579:     ;;
                    580:   $ac_cv_sizeof_long_long)
                    581:     ac_cv_int_type_double_cell="long long"
                    582:     ;;
                    583:   $ac_cv_sizeof_intptr_t)
                    584:     ac_cv_int_type_double_cell="intptr_t"
                    585:     ;;
1.205     anton     586:   $ac_cv_sizeof_int128_t)
1.103     anton     587:     ac_cv_int_type_double_cell="int128_t"
                    588:     ;;
                    589: esac
                    590: AC_MSG_RESULT($ac_cv_int_type_double_cell)
1.144     pazsan    591: 
                    592: AC_MSG_CHECKING([for a C type for unsigned double-cells])
                    593: ac_cv_int_type_double_ucell=none
                    594: case `expr 2 '*' "$ac_cv_sizeof_char_p"` in
                    595:   $ac_cv_sizeof_short)
                    596:     ac_cv_int_type_double_ucell="unsigned short"
                    597:     ;;
                    598:   $ac_cv_sizeof_int)
                    599:     ac_cv_int_type_double_ucell="unsigned int"
                    600:     ;;
                    601:   $ac_cv_sizeof_long)
                    602:     ac_cv_int_type_double_ucell="unsigned long"
                    603:     ;;
                    604:   $ac_cv_sizeof_long_long)
                    605:     ac_cv_int_type_double_ucell="unsigned long long"
                    606:     ;;
                    607:   $ac_cv_sizeof_intptr_t)
                    608:     ac_cv_int_type_double_ucell="unsigned intptr_t"
                    609:     ;;
                    610:   $ac_cv_sizeof_uint128_t)
                    611:     ac_cv_int_type_double_ucell="uint128_t"
                    612:     ;;
                    613: esac
                    614: AC_MSG_RESULT($ac_cv_int_type_double_ucell)
                    615: 
1.204     anton     616: if test "$ac_cv_int_type_double_cell" != none && \
                    617:    test "$ac_cv_int_type_double_ucell" != none
1.144     pazsan    618: then
1.103     anton     619:        AC_DEFINE_UNQUOTED(DOUBLE_CELL_TYPE,$ac_cv_int_type_double_cell,[an integer type that is twice as long as a pointer])
1.144     pazsan    620:        AC_DEFINE_UNQUOTED(DOUBLE_UCELL_TYPE,$ac_cv_int_type_double_ucell,[an unsigned integer type that is twice as long as a pointer])
1.206     anton     621:         OPTS=-ll
                    622: else
1.217     pazsan    623:         if test "$ac_cv_sizeof_char_p" = 8; then
1.213     anton     624:            OPTS="-ll -noll"
1.206     anton     625:         else
                    626:            OPTS=-noll
                    627:         fi
1.103     anton     628: fi
1.207     anton     629: 
1.258     anton     630: if grep FORCE_REG $srcdir/arch/$machine/machine.h >/dev/null; then
1.227     pazsan    631:    OPTS2=''
                    632:    for i in $OPTS; do OPTS2="$OPTS2 $i-reg"; done
                    633:    OPTS="$OPTS2 $OPTS"
1.223     anton     634: else
                    635:   AC_DEFINE_UNQUOTED(FORCE_REG_UNNECESSARY,,[defined if the platform does not need FORCE_REG])
1.207     anton     636: fi
1.206     anton     637: AC_SUBST(OPTS)
1.103     anton     638: 
                    639: AC_TYPE_OFF_T
                    640: AC_CHECK_SIZEOF(off_t)
                    641: test $ac_cv_sizeof_off_t -gt $ac_cv_sizeof_char_p
                    642: ac_small_off_t=$?
                    643: AC_DEFINE_UNQUOTED(SMALL_OFF_T,$ac_small_off_t,[1 if off_t fits in a Cell])
1.1       anton     644: 
1.109     anton     645: ENGINE_FLAGS=
                    646: AC_SUBST(ENGINE_FLAGS)
                    647: 
                    648: # Try if GCC understands -fno-gcse
                    649: 
                    650: AC_MSG_CHECKING([if $CC understands -fno-gcse])
                    651: CFLAGS_1="$CFLAGS"
                    652: CFLAGS="$CFLAGS -fno-gcse"
                    653: AC_TRY_COMPILE(,,ac_nogcse=yes;ENGINE_FLAGS="$ENGINE_FLAGS -fno-gcse",ac_nogcse=no)
                    654: CFLAGS="$CFLAGS_1"
                    655: AC_MSG_RESULT($ac_nogcse)
                    656: 
                    657: # Try if GCC understands -fno-strict-aliasing
                    658: AC_MSG_CHECKING([if $CC understands -fno-strict-aliasing])
                    659: CFLAGS_1="$CFLAGS"
                    660: CFLAGS="$CFLAGS -fno-strict-aliasing"
                    661: AC_TRY_COMPILE(,,ac_nostrictaliasing=yes;ENGINE_FLAGS="$ENGINE_FLAGS -fno-strict-aliasing",ac_nostrictaliasing=no)
                    662: CFLAGS="$CFLAGS_1"
                    663: AC_MSG_RESULT($ac_nostrictaliasing)
                    664: 
1.123     anton     665: # Try if GCC understands -fno-crossjumping
                    666: AC_MSG_CHECKING([if $CC understands -fno-crossjumping])
1.88      pazsan    667: CFLAGS_1="$CFLAGS"
1.123     anton     668: CFLAGS="$CFLAGS -fno-crossjumping"
1.125     anton     669: AC_TRY_COMPILE(,,ac_nocrossjumping=yes;ENGINE_FLAGS="$ENGINE_FLAGS -fno-crossjumping",ac_nocrossjumping=no)
1.109     anton     670: CFLAGS="$CFLAGS_1"
1.124     pazsan    671: AC_MSG_RESULT($ac_nocrossjumping)
1.88      pazsan    672: 
1.137     pazsan    673: # Try if GCC understands -fno-reorder-blocks
                    674: AC_MSG_CHECKING([if $CC understands -fno-reorder-blocks])
                    675: CFLAGS_1="$CFLAGS"
                    676: CFLAGS="$CFLAGS -fno-reorder-blocks"
                    677: AC_TRY_COMPILE(,,ac_noreorder_blocks=yes;ENGINE_FLAGS="$ENGINE_FLAGS -fno-reorder-blocks",ac_noreorder_blocks=no)
                    678: CFLAGS="$CFLAGS_1"
                    679: AC_MSG_RESULT($ac_noreorder_blocks)
                    680: 
1.189     anton     681: # Try if GCC understands -falign-labels=1
                    682: AC_MSG_CHECKING([if $CC understands -falign-labels=1])
                    683: CFLAGS_1="$CFLAGS"
                    684: CFLAGS="$CFLAGS -falign-labels=1"
1.194     anton     685: AC_TRY_COMPILE(,,ac_align_labels=yes;ENGINE_FLAGS="$ENGINE_FLAGS -falign-labels=1",ac_align_labels=no)
1.189     anton     686: CFLAGS="$CFLAGS_1"
                    687: AC_MSG_RESULT($ac_align_labels)
                    688: 
1.193     anton     689: # Try if GCC understands -falign-loops=1
                    690: AC_MSG_CHECKING([if $CC understands -falign-loops=1])
                    691: CFLAGS_1="$CFLAGS"
                    692: CFLAGS="$CFLAGS -falign-loops=1"
1.194     anton     693: AC_TRY_COMPILE(,,ac_align_loops=yes;ENGINE_FLAGS="$ENGINE_FLAGS -falign-loops=1",ac_align_loops=no)
1.193     anton     694: CFLAGS="$CFLAGS_1"
                    695: AC_MSG_RESULT($ac_align_loops)
                    696: 
                    697: # Try if GCC understands -falign-jumps=1
                    698: AC_MSG_CHECKING([if $CC understands -falign-jumps=1])
                    699: CFLAGS_1="$CFLAGS"
                    700: CFLAGS="$CFLAGS -falign-jumps=1"
1.194     anton     701: AC_TRY_COMPILE(,,ac_align_jumps=yes;ENGINE_FLAGS="$ENGINE_FLAGS -falign-jumps=1",ac_align_jumps=no)
1.193     anton     702: CFLAGS="$CFLAGS_1"
                    703: AC_MSG_RESULT($ac_align_jumps)
                    704: 
1.271     anton     705: if test -z "$LIBTOOL_CC"
                    706: then
                    707:   LIBTOOL_CC="$CC"
                    708:   # Try if GCC understands -Wimplicit-function-declaration
                    709:   AC_MSG_CHECKING([if $CC understands -Wimplicit-function-declaration])
                    710:   CFLAGS_1="$CFLAGS"
                    711:   CFLAGS="$CFLAGS -Wimplicit-function-declaration"
                    712:   AC_TRY_COMPILE(,,LIBTOOL_CC="$CC -Wimplicit-function-declaration",)
                    713:   CFLAGS="$CFLAGS_1"
                    714:   AC_MSG_RESULT($ac_align_jumps)
                    715: fi
                    716: AC_SUBST(LIBTOOL_CC)
                    717: 
                    718: 
                    719: 
1.130     anton     720: # Try if GCC understands __attribute__((unused))
                    721: AC_MSG_CHECKING([how to suppress 'unused variable' warnings])
                    722: AC_TRY_COMPILE(,[int __attribute__((unused)) foo;], MAYBE_UNUSED='__attribute__((unused))',)
                    723: AC_DEFINE_UNQUOTED(MAYBE_UNUSED,$MAYBE_UNUSED,[attribute for possibly unused variables])
                    724: AC_MSG_RESULT($MAYBE_UNUSED)
                    725: 
1.289     anton     726: # Try if GCC understands __thread
1.306     pazsan    727: AC_CACHE_CHECK([whether gcc understands '__thread'], [ac_cv_thread],
                    728:      [AC_TRY_COMPILE(,[extern __thread int foo;],
                    729:                         [ac_cv_thread=yes],
                    730:                         [ac_cv_thread=no])])
                    731: test x$ac_cv_thread = xyes && PER_THREAD='__thread'
1.289     anton     732: AC_DEFINE_UNQUOTED(PER_THREAD,$PER_THREAD,[storage class for thread-local variables])
                    733: 
1.195     anton     734: #try if m4 understands -s
                    735: AC_MSG_CHECKING([how to invoke m4])
1.196     anton     736: if m4 -s /dev/null >/dev/null 2>&1; then
1.195     anton     737:  M4="m4 -s"
                    738: else
                    739:  M4=m4
                    740: fi
                    741: AC_SUBST(M4)
                    742: AC_MSG_RESULT($M4)
                    743: 
1.215     anton     744: #echo "machine='$machine'"
1.191     anton     745: 
                    746: dnl AC_CHECK_PROG(asm_fs,asm.fs,arch/$machine/asm.fs,,$srcdir/arch/$machine)
1.275     pazsan    747: if test x$EC_MODE = xfalse
                    748: then
1.278     dvdkhlng  749:   AS_IF([test -f $srcdir/arch/$machine/asm.fs],
                    750:         [asm_fs=arch/$machine/asm.fs])
1.275     pazsan    751: fi
1.61      anton     752: AC_SUBST(asm_fs)
                    753: 
1.191     anton     754: dnl AC_CHECK_PROG(disasm_fs,disasm.fs,arch/$machine/disasm.fs,,$srcdir/arch/$machine)
1.275     pazsan    755: if test x$EC_MODE = xfalse
                    756: then
1.278     dvdkhlng  757:   AS_IF([test -f $srcdir/arch/$machine/disasm.fs],
                    758:        [disasm_fs=arch/$machine/disasm.fs])
1.275     pazsan    759: fi
1.61      anton     760: AC_SUBST(disasm_fs)
                    761: 
1.116     anton     762: AC_PATH_PROG(INSTALL_INFO,install-info,[echo '>>>>Please make info dir entry:'],$PATH:/sbin:/usr/sbin:/usr/local/sbin)
1.114     anton     763: 
1.39      pazsan    764: case "$host_os" in
1.157     pazsan    765:        *win32*)
                    766:                # !!!FIXME!!! problems with cygwin and ';' as path separator
1.108     anton     767:                DIRSEP="\\\\"
1.127     anton     768:                PATHSEP=";"
1.142     anton     769:                #we want the builtins of command.com/cmd.exe and its
                    770:                # handling of .com files.
                    771:                #$COMSPEC contains the name of the Windows shell;
                    772:                # the ./ is there, because the bash does not recognize
                    773:                # absolute DOS filenames
                    774:                DEFAULTSYSTEMPREFIX="./$COMSPEC /c "
1.39      pazsan    775:                ;;
1.97      anton     776:        *darwin*)
                    777:                #Darwin uses some funny preprocessor by default; eliminate it:
1.127     anton     778:                AC_MSG_NOTICE([using -no-cpp-precomp on Darwin])
1.120     anton     779:                CFLAGS="$CFLAGS -no-cpp-precomp"
1.98      anton     780:                DIRSEP="/"
1.127     anton     781:                PATHSEP=":"
1.141     anton     782:                DEFAULTSYSTEMPREFIX=""
1.243     anton     783:                 #the following magic value was suggested by
                    784:                 #http://mail.python.org/pipermail/pythonmac-sig/2005-October/015190.html
                    785:                 AC_DEFINE_UNQUOTED(MACOSX_DEPLOYMENT_TARGET,"10.3",[an environment variable value needed by libtool on some MacOS X versions])
1.98      anton     786:                ;;
1.246     pazsan    787:        *linux*)
                    788:                DIRSEP="/"
                    789:                PATHSEP=":"
                    790:                DEFAULTSYSTEMPREFIX=""
1.250     anton     791:                if test -z "$LTDL_LIBRARY_PATH" -a "$wordsize" = 64; then
1.253     pazsan    792:                   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    793:                fi
                    794:                ;;
1.39      pazsan    795:        *)
1.88      pazsan    796:                DIRSEP="/"
1.127     anton     797:                PATHSEP=":"
1.141     anton     798:                DEFAULTSYSTEMPREFIX=""
1.39      pazsan    799:                ;;
                    800: esac
1.88      pazsan    801: AC_SUBST(DIRSEP)
1.89      pazsan    802: AC_DEFINE_UNQUOTED(DIRSEP,'$DIRSEP',[a directory separator character])
1.127     anton     803: AC_SUBST(PATHSEP)
                    804: AC_DEFINE_UNQUOTED(PATHSEP,'$PATHSEP',[a path separator character])
1.141     anton     805: AC_SUBST(DEFAULTSYSTEMPREFIX)
                    806: AC_DEFINE_UNQUOTED(DEFAULTSYSTEMPREFIX,"$DEFAULTSYSTEMPREFIX",[default for environment variable GFORTHSYSTEMPREFIX])
1.250     anton     807: if test -n "$LTDL_LIBRARY_PATH"; then
                    808:    AC_DEFINE_UNQUOTED(LTDL_LIBRARY_PATH,"$LTDL_LIBRARY_PATH",[Define LTDL_LIBRARY_PATH for 64 bit Linux])
                    809: fi                                                                
1.39      pazsan    810: 
1.170     anton     811: #work around SELinux brain damage (from Andrew Haley <12t8f3jakb74g2c@news.supernews.com>)
1.172     anton     812: #This magic incantation  seems to be completely undocumented.
                    813: AC_CHECK_PROG([MASSAGE_EXE],[chcon],[chcon -t unconfined_execmem_exec_t],[true])
1.170     anton     814: 
1.1       anton     815: dnl Now a little support for DOS/DJGCC
1.276     pazsan    816: GFORTHFAST_EXE="$GFORTH_EXE"
                    817: GFORTHITC_EXE="$GFORTH_EXE"
                    818: GFORTHDITC_EXE="$GFORTH_EXE"
1.30      pazsan    819: AC_SUBST(GFORTH_EXE)
1.48      anton     820: AC_SUBST(GFORTHFAST_EXE)
1.83      anton     821: AC_SUBST(GFORTHITC_EXE)
1.30      pazsan    822: AC_SUBST(GFORTHDITC_EXE)
1.27      anton     823: 
                    824: AC_SUBST(FORTHSIZES)
1.24      anton     825: 
1.104     anton     826: dnl if test "$PEEPHOLE" = "yes"
                    827: dnl then
                    828: dnl    PEEPHOLEFLAG="true"
                    829: dnl    AC_DEFINE(HAS_PEEPHOLE,,[Define if you want to use peephole optimization])
                    830: dnl else
                    831: dnl    PEEPHOLEFLAG="false"
                    832: dnl fi
                    833: PEEPHOLEFLAG="true"
1.79      pazsan    834: AC_SUBST(PEEPHOLEFLAG)
                    835: 
1.1       anton     836: dnl copy commands for systems that don't have links
1.29      pazsan    837: AC_SUBST(LINK_KERNL)
                    838: LINK_KERNL=""
1.1       anton     839: 
                    840: #if test $host_os=dos
                    841: #then
                    842: #  echo Configuring for DOS!!!
                    843: #  MAKE_EXE="coff2exe gforth"
1.29      pazsan    844: #  LINK_KERNL='$(CP) kernl32l.fi kernel.fi'
1.1       anton     845: #fi
                    846: 
                    847: dnl the following macro produces a warning with autoconf-2.1
                    848: AC_C_BIGENDIAN
1.23      pazsan    849: AC_SUBST(KERNEL)
1.1       anton     850: dnl ac_cv_c_bigendian is an undocumented variable of autoconf-2.1
1.256     pazsan    851: if test $ac_cv_c_bigendian != no; then
1.1       anton     852:   bytesex=b
1.23      pazsan    853:   KERNEL="kernl16b.fi kernl16l.fi kernl32b.fi kernl32l.fi kernl64b.fi kernl64l.fi"
1.1       anton     854: else
                    855:   bytesex=l
1.23      pazsan    856:   KERNEL="kernl16l.fi kernl16b.fi kernl32l.fi kernl32b.fi kernl64l.fi kernl64b.fi"
1.1       anton     857: fi
                    858: 
1.91      anton     859: #check how to do asm(".skip 16")
1.169     anton     860: #echo "CFLAGS=$CFLAGS"
                    861: #echo "ac_link=$ac_link"
1.92      anton     862: AC_MSG_CHECKING([if and how we can waste code space])
1.279     dvdkhlng  863: if test -z "$skipcode" && test x$cross_compiling = xyes; then
                    864:    # we cannot perform the AC_TRY_RUN check when cross-compiling.  
                    865:    skipcode=no
                    866:    AC_MSG_RESULT([$skipcode, can't run checks since cross-compiling])
                    867: elif test -z "$skipcode"; then
1.148     anton     868:     skipcode=no
                    869:     CFLAGS_1="$CFLAGS"
                    870:     CFLAGS="$CFLAGS $ENGINE_FLAGS"
1.136     anton     871:     for i in ".skip 16" ".block 16" ".org .+16" ".=.+16" ".space 16"
                    872:     do
1.91      anton     873:        AC_TRY_RUN(
1.136     anton     874: [int foo(int,int,int);
1.91      anton     875: main()
                    876: {
1.136     anton     877:   exit(foo(0,0,0)!=16);
1.91      anton     878: }
1.136     anton     879: int foo(int x, int y, int z)
1.91      anton     880: {
1.136     anton     881:   static void *labels[]={&&label1, &&label2};
1.91      anton     882:   if (x) {
1.136     anton     883:     y++; /* workaround for http://gcc.gnu.org/bugzilla/show_bug.cgi?id=12108 */
1.91      anton     884:   label1:
1.148     anton     885:     asm("$i"); /* or ".space 16" or somesuch */
1.136     anton     886:   label2: ;
                    887:   }
                    888:   {
                    889:   if (y) goto *labels[z]; /* workaround for gcc PR12108 */
                    890:   return labels[1]-labels[0];
1.91      anton     891:   }
1.136     anton     892: }]
1.92      anton     893:        ,skipcode=$i; break
                    894:        ,,)
1.136     anton     895:     done
1.148     anton     896:     CFLAGS=$CFLAGS_1
1.136     anton     897: fi
1.92      anton     898: AC_MSG_RESULT($skipcode)
                    899: if test "$skipcode" = no
                    900: then 
1.136     anton     901:     if test -z $no_dynamic_default; then
                    902:        no_dynamic_default=1
                    903:        AC_MSG_WARN(Disabling default dynamic native code generation)
                    904:     fi
1.280     dvdkhlng  905:     AC_DEFINE_UNQUOTED(SKIP16,asm(""),statement for skipping 16 bytes)
1.92      anton     906: else
                    907:     AC_DEFINE_UNQUOTED(SKIP16,asm("$skipcode"),statement for skipping 16 bytes)
                    908: fi
1.91      anton     909: 
1.174     anton     910: AC_MSG_CHECKING([if and how we can do comments in asm statements])
                    911: #the point here is to get asm statements that look different to
                    912: #gcc's "optimizer"
                    913: if test -z "$asmcomment"; then
                    914:     asmcomment=no
                    915:     CFLAGS_1="$CFLAGS"
                    916:     CFLAGS="$CFLAGS $ENGINE_FLAGS"
1.176     anton     917:     for i in '"# "' '"! "' '"; "'; do
1.174     anton     918:        AC_TRY_COMPILE(,[asm($i"fluffystunk");],asmcomment=$i; break,)
                    919:     done
                    920:     CFLAGS=$CFLAGS_1
                    921: fi
                    922: AC_MSG_RESULT($asmcomment)
                    923: if test "$asmcomment" != no
                    924: then 
                    925:     AC_DEFINE_UNQUOTED(ASMCOMMENT,$asmcomment,[assembler comment start string])
                    926: fi
                    927: 
1.136     anton     928: test "$no_dynamic_default" || no_dynamic_default=0
1.92      anton     929: AC_DEFINE_UNQUOTED(NO_DYNAMIC_DEFAULT,$no_dynamic_default,default value for no_dynamic)
1.91      anton     930: 
1.1       anton     931: dnl Checks for programs.
                    932: AC_PROG_LN_S
1.95      anton     933: AC_PROG_INSTALL
1.163     pazsan    934: AC_CHECK_PROGS(TEXI2DVI,texi2dvi4a2ps texi2dvi)
1.1       anton     935: 
1.288     anton     936: dnl check for the presence of Emacs
                    937: AC_CHECK_PROGS(EMACS,emacs xemacs)
                    938: test -n "$EMACS" && gforth_elc=gforth.elc
                    939: AC_SUBST(gforth_elc)
                    940: 
1.198     anton     941: dnl MacOS X has a libtool that does something else
1.264     pazsan    942: AC_CHECK_PROGS(GNU_LIBTOOL,"glibtool --tag=CC" libtool)
1.198     anton     943: 
1.269     anton     944: dnl Checks for library functions
                    945: dnl This check is just for making later checks link with libm.
                    946: dnl using sin here is no good idea since it is built-into gcc and typechecked
                    947: AC_CHECK_LIB(m,asin)
1.305     pazsan    948: AC_CHECK_LIB(ltdl,lt_dlinit)
                    949: dnl ,LIB_SUFFIX=.la,LIB_SUFFIX=.so)
                    950: if test "x$ac_cv_lib_ltdl_lt_dlinit" = xyes; then
                    951:   LIB_SUFFIX=.la
                    952: else
                    953:   LIB_SUFFIX=.so
                    954: fi
1.304     pazsan    955: AC_SUBST(LIB_SUFFIX)
1.295     pazsan    956: AC_CHECK_LIB(rt,clock_gettime)
1.269     anton     957: 
                    958: if test -n "$GNU_LIBTOOL" -a $ac_cv_lib_ltdl_lt_dlinit = yes; then
1.258     anton     959:   build_libcc_named=build-libcc-named
                    960: else
1.274     anton     961:   AC_MSG_WARN([No GNU_LIBTOOL found, skip pre-building libcc-based libraries])
1.258     anton     962: fi
                    963: AC_SUBST(build_libcc_named)
                    964: 
1.274     anton     965: 
                    966: if test -z "$GNU_LIBTOOL"; then
                    967:   AC_MSG_WARN([No GNU_LIBTOOL found, using "libtool" as name.])
                    968:   AC_MSG_WARN([libcc.fs won't work until you have installed (GNU) libtool.])
                    969:   GNU_LIBTOOL=libtool
                    970: fi
                    971: 
1.235     anton     972: #check for libffi 2.x
1.237     anton     973: AC_CHECK_HEADER(ffi.h,FFI_H_NAME=ffi.h,)
                    974: if test -z "$FFI_H_NAME"; then
                    975:   AC_CHECK_HEADER(ffi/ffi.h,FFI_H_NAME=ffi/ffi.h,)
                    976: fi
                    977: AC_SUBST(FFI_H_NAME)
1.286     pazsan    978: AC_CHECK_LIB(ffi,ffi_call,LIBS="$LIBS")
1.241     anton     979: if test -n "$FFI_H_NAME" -a $ac_cv_lib_ffi_ffi_call = yes
1.235     anton     980: then
                    981:   LIBFFIFLAG="true"
1.236     anton     982:   LIBCC_BUILD_SRC="$LIBCC_BUILD_SRC libffi.fs"
1.235     anton     983: else
                    984:   LIBFFIFLAG="false"
                    985: fi
                    986: #check for ffcall libraries
                    987: #unfortunately, these four calls are separated out into a library each.
1.286     pazsan    988: AC_CHECK_LIB(avcall,__builtin_avcall,LIBS="$LIBS")
1.234     pazsan    989: dnl AC_CHECK_LIB(callback,__vacall_r)
                    990: dnl AC_CHECK_LIB(vacall,vacall)
                    991: dnl AC_CHECK_LIB(trampoline,alloc_trampoline)
1.235     anton     992: if test $ac_cv_lib_avcall___builtin_avcall = yes; then
                    993:   FFCALLFLAG="true"
1.236     anton     994:   LIBCC_BUILD_SRC="$LIBCC_BUILD_SRC fflib.fs"
1.235     anton     995: else
                    996:   FFCALLFLAG="false"
                    997: fi
                    998: if test $LIBFFIFLAG = false -a $FFCALLFLAG = false; then
                    999:   AC_MSG_WARN([The (old) lib.fs foreign function interface needs either libffi or the ffcall libraries])
                   1000: fi
                   1001: AC_SUBST(LIBFFIFLAG)
                   1002: AC_SUBST(FFCALLFLAG)
1.236     anton    1003: AC_SUBST(LIBCC_BUILD_SRC)
1.32      pazsan   1004: if test "$host_os" != "nextstep3"
                   1005: then
                   1006:        AC_FUNC_MEMCMP
                   1007: fi
1.300     pazsan   1008: AC_REPLACE_FUNCS(memmove strtoul pow10 sincos strerror strsignal atanh)
1.97      anton    1009: AC_FUNC_FSEEKO
1.296     pazsan   1010: AC_CHECK_FUNCS(ftello dlopen sys_siglist getrusage nanosleep clock_gettime)
1.111     anton    1011: AC_CHECK_TYPES(stack_t,,,[#include <signal.h>])
1.19      anton    1012: AC_DECL_SYS_SIGLIST
1.138     anton    1013: AC_CHECK_FUNC(getopt_long,[true],[AC_LIBOBJ(getopt) AC_LIBOBJ(getopt1)])
1.90      anton    1014: AC_CHECK_FUNCS(expm1 log1p)
                   1015: AC_REPLACE_FUNCS(rint ecvt)
1.1       anton    1016: dnl No check for select, because our replacement is no good under
                   1017: dnl anything but DOS
1.277     pazsan   1018: AC_CHECK_HEADERS(sys/mman.h fnmatch.h alloca.h wchar.h endian.h)
1.63      anton    1019: AC_FUNC_FNMATCH
1.87      pazsan   1020: test $ac_cv_func_fnmatch_works = yes || AC_LIBOBJ(fnmatch)
1.255     anton    1021: AC_CHECK_FUNCS(mmap sysconf getpagesize wcwidth)
1.34      anton    1022: AM_PATH_LISPDIR
1.1       anton    1023: 
1.183     pazsan   1024: kernel_fi=kernl${vwordsize}${bytesex}.fi
1.178     pazsan   1025: include_fi=kernl${wordsize}${bytesex}${EC}.fi
1.23      pazsan   1026: AC_SUBST(kernel_fi)
1.178     pazsan   1027: AC_SUBST(include_fi)
1.50      jwilke   1028: 
1.292     pazsan   1029: # Find installed Gforth
                   1030: AC_MSG_CHECKING([for gforth])
                   1031: GFORTH="`cd / && which gforth 2>/dev/null`"
                   1032: #the "$srcdir" = "." test defends agains the "../" bug in gforth-0.6.2
                   1033: (cd / && $GFORTH -e bye >/dev/null 2>/dev/null  && test "$srcdir" = ".") || GFORTH=""
                   1034: if test -z "$GFORTH"; then
                   1035:   PREFORTH='echo "You need to configure with a gforth in \$PATH to build this part" && false'
1.293     pazsan   1036:   GFORTHKER='echo "You need to configure with a gforth in \$PATH to build this part" && false'
1.292     pazsan   1037:   kernel_anti_dependence=''
                   1038: else
                   1039:   GFORTH_FI=`cd / && $GFORTH --debug -e bye 2>&1 |grep "Opened image file: "|sed 's/Opened image file: //'`
                   1040:   PREFORTH="$GFORTH -i $GFORTH_FI" ;
1.308     pazsan   1041:   KERNLX_FI1=`echo $GFORTH_FI | sed -e s/lib[64]*/share/g -e s/gforth.fi/kernl*.fi/g`
1.294     pazsan   1042:   KERNLX_FI2=`echo $GFORTH_FI | sed -e s/gforth.fi/kernl*.fi/g`
                   1043:   test -f $KERNLX_FI1 && KERNLX_FI=$KERNLX_FI1
                   1044:   test -f $KERNLX_FI2 && KERNLX_FI=$KERNLX_FI2
1.293     pazsan   1045:   GFORTHKER="$GFORTH -i `echo $KERNLX_FI`" ;
1.292     pazsan   1046:   kernel_anti_dependence='$(kernel_fi)'
                   1047: fi
                   1048: AC_SUBST(PREFORTH)
1.293     pazsan   1049: AC_SUBST(GFORTHKER)
1.292     pazsan   1050: AC_SUBST(kernel_anti_dependence)
                   1051: AC_MSG_RESULT($PREFORTH)
                   1052: 
1.76      anton    1053: #this breaks bindists
                   1054: #dnl replace srource directory by absolute value
                   1055: #if test $srcdir = "."; then srcdir=`pwd` 
                   1056: #fi
1.8       anton    1057: 
1.34      anton    1058: AC_SUBST(machine)
1.95      anton    1059: AC_CONFIG_FILES([
1.31      anton    1060: Makefile
1.45      pazsan   1061: Makedist
1.43      anton    1062: gforthmi
1.80      anton    1063: vmgen
1.79      pazsan   1064: machpc.fs
1.159     pazsan   1065: envos.fs
1.223     anton    1066: preforth
1.303     pazsan   1067: libforth
1.293     pazsan   1068: gforthker
1.35      anton    1069: engine/Makefile
1.188     anton    1070: engine/libcc.h
1.161     pazsan   1071: doc/version.texi
                   1072: build-ec ])
1.95      anton    1073: AC_CONFIG_COMMANDS([stamp-h],[[echo timestamp > stamp-h
1.43      anton    1074: chmod +x gforthmi
1.80      anton    1075: chmod +x vmgen
1.162     pazsan   1076: chmod +x build-ec
1.223     anton    1077: chmod +x preforth
1.303     pazsan   1078: chmod +x libforth
1.293     pazsan   1079: chmod +x gforthker
1.188     anton    1080: test -d kernel||mkdir kernel
1.258     anton    1081: if test $srcdir != "."; then ln -sf $srcdir/gforth.el .; fi
1.310     pazsan   1082: $srcdir/mkinstalldirs include/gforth$ARCH/$PACKAGE_VERSION
1.262     anton    1083: $srcdir/mkinstalldirs arch/$machine
1.310     pazsan   1084: ln -sf ../../../engine/config.h ../../../engine/libcc.h include/gforth$ARCH/$PACKAGE_VERSION]],
1.262     anton    1085: [PACKAGE_VERSION=$PACKAGE_VERSION
1.310     pazsan   1086:  machine=$machine
                   1087:  ARCH=$ARCH])
1.95      anton    1088: AC_OUTPUT

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