Annotation of gforth/configure.in, revision 1.310

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
1.309     pazsan     23: AC_INIT([gforth],[0.7.9-20120627],[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!
1.309     pazsan     28: UPDATED="June 27, 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=${withval}
1.182     pazsan    111: fi])
1.167     pazsan    112: 
1.290     pazsan    113: AC_ARG_WITH(cross,
                    114:        AC_HELP_STRING([--with-cross=<arch>],
                    115:                        [  Build gforth using a cross compiler.]),
                    116: [if test "$withval" = "no"; then
                    117:   echo "defining hosted system"
                    118: else
                    119:   echo "defining cross compiled system (${withval})"
                    120:   if test -f "arch/$host_cpu/${withval}/config.sh"; then
                    121:     source "arch/$host_cpu/${withval}/config.sh"
                    122:   fi
                    123:   GCC_PATH=$(which $CC)
                    124:   LIB_PATH=${GCC_PATH%/*/*}
                    125:   platform=${withval}
1.291     pazsan    126:   NO_EC=""
                    127:   NO_CROSS="#"
1.290     pazsan    128: fi])
                    129: 
1.307     pazsan    130: AC_ARG_WITH(arch,
                    131:        AC_HELP_STRING([--with-arch=<arch>],
                    132:                        [  Build gforth binaries with <arch> postfix]),
                    133: [if test "$withval" = "no"; then
                    134:   ARCH=""
                    135: else
                    136:   ARCH=-${withval}
                    137: fi])
                    138: AC_SUBST(ARCH)
                    139: 
1.104     anton     140: #variables mentioned in INSTALL
1.302     pazsan    141: AC_ARG_VAR(SH, [The shell])
1.203     anton     142: AC_ARG_VAR(CC, [The C compiler (must support GNU C 2.x).])
1.104     anton     143: AC_ARG_VAR(FORTHSIZES, [Gforth command line options for the default stack and dictionary sizes (see INSTALL).])
1.203     anton     144: 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     145: 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     146: 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     147: AC_ARG_VAR(LIBCC_BUILD_SRC, [(Additional) libcc interface source files that should be processed on building and installation (default none)])
1.173     anton     148: 
1.104     anton     149: AC_ARG_VAR(ac_cv_sizeof_char_p, [sizeof(char *)])
1.183     pazsan    150: AC_ARG_VAR(ac_cv_sizeof_void_p, [sizeof(void *)])
1.104     anton     151: AC_ARG_VAR(ac_cv_sizeof_char, [sizeof(char)])
                    152: AC_ARG_VAR(ac_cv_sizeof_short, [sizeof(short)])
                    153: AC_ARG_VAR(ac_cv_sizeof_int, [sizeof(int)])
                    154: AC_ARG_VAR(ac_cv_sizeof_long, [sizeof(long)])
                    155: AC_ARG_VAR(ac_cv_sizeof_long_long, [sizeof(long long)])
                    156: AC_ARG_VAR(ac_cv_sizeof_intptr_t, [sizeof(intptr_t)])
1.254     anton     157: AC_ARG_VAR(ac_cv_sizeof_int128_t, [sizeof(int128_t)])
                    158: AC_ARG_VAR(ac_cv_sizeof_uint128_t, [sizeof(uint128_t)])
1.123     anton     159: AC_ARG_VAR(ac_cv_c_bigendian, [Is the target big-endian ("yes" or "no")?])
                    160: AC_ARG_VAR(no_dynamic_default, [run gforth with --dynamic (0) or --no-dynamic (1) by default])
1.190     anton     161: AC_ARG_VAR(condbranch_opt, [enable (1) or disable (0) using two dispatches for conditional branches])
1.166     anton     162: AC_ARG_VAR(skipcode, [assembly code for skipping 16 bytes of code])
1.174     anton     163: AC_ARG_VAR(asmcomment, [assembler comment start string])
1.175     anton     164: AC_ARG_VAR(arm_cacheflush, [file containing ARM cacheflush function (without .c)])
1.250     anton     165: AC_ARG_VAR(LTDL_LIBRARY_PATH, [additional directories for libltdl (for some 64-bit platforms)])
1.82      anton     166: 
1.96      anton     167: #set up feature test macros, so the tests get them right:
                    168: # turn on all POSIX, SUSv3, and GNU features if available
1.97      anton     169: AC_GNU_SOURCE
                    170: dnl AC_DEFINE_UNQUOTED([_GNU_SOURCE],1,[feature test macro])
                    171: 
                    172: dnl Don't define _POSIX_SOURCE etc. because some OSs (in particular
                    173: dnl MacOSX) disable some features then (MacOSX checks for _POSIX_SOURCE,
                    174: dnl but not for _XOPEN_SOURCE)
                    175: dnl AC_DEFINE_UNQUOTED([_POSIX_SOURCE],1,[feature test macro])
                    176: dnl AC_DEFINE_UNQUOTED([_POSIX_C_SOURCE],199506L,[feature test macro])
                    177: dnl AC_DEFINE_UNQUOTED([_XOPEN_SOURCE],600,[feature test macro])
1.96      anton     178: # turn on large file support with 64-bit off_t where available
1.105     anton     179: AC_SYS_LARGEFILE
                    180: dnl AC_DEFINE_UNQUOTED([_LARGEFILE_SOURCE],1,[feature test macro])
                    181: dnl AC_DEFINE_UNQUOTED([_FILE_OFFSET_BITS],64,[feature test macro])
1.96      anton     182: 
1.82      anton     183: #currently we force direct threading this way.  Eventually we should
                    184: #setup in the arch and engine files right
1.16      anton     185: 
1.15      pazsan    186: AC_PROG_CC
                    187: 
1.92      anton     188: test "$GCC" = "yes" || AC_MSG_ERROR(Gforth uses GNU C extensions and requires GCC 2.0 or higher)
1.9       pazsan    189: 
1.302     pazsan    190: test "x$SH" = "x" && SH="/bin/sh"
                    191: 
1.190     anton     192: AC_MSG_CHECKING([whether to use two dispatches per conditional branch])
                    193: test x$condbranch_opt = x && 
1.238     anton     194: if ($CC -v 2>&1 |grep 'gcc version 3' >/dev/null); then
1.190     anton     195:    condbranch_opt=0
                    196: else
                    197:    condbranch_opt=1
                    198: fi
                    199: AC_MSG_RESULT($condbranch_opt)
                    200: AC_SUBST(condbranch_opt)
1.301     pazsan    201: AC_SUBST(host_cpu)
1.190     anton     202: 
1.302     pazsan    203: AC_SUBST(SH)
1.15      pazsan    204: AC_SUBST(CC)
1.183     pazsan    205: AC_SUBST(GCC_LD)
1.9       pazsan    206: AC_SUBST(DEBUGFLAG)
1.178     pazsan    207: AC_SUBST(EC)
1.275     pazsan    208: AC_SUBST(NO_EC)
1.291     pazsan    209: AC_SUBST(NO_CROSS)
1.167     pazsan    210: AC_SUBST(EC_MODE)
1.178     pazsan    211: AC_SUBST(engine2)
                    212: AC_SUBST(engine_fast2)
                    213: AC_SUBST(no_dynamic)
                    214: AC_SUBST(image_i)
1.179     pazsan    215: AC_SUBST(signals_o)
1.308     pazsan    216: AC_SUBST(mi_prefix)
1.7       anton     217: 
1.174     anton     218: #this is used to disable some (not generally essential) part of the
                    219: #Makefile that some makes don't grok.  It would be better to test for
                    220: #this specific Makefile feature than the make version.
1.128     pazsan    221: AC_MSG_CHECKING(make type)
1.174     anton     222: make_type=`make -n -v 2>&1|grep 'ake'|sed 's/ake .*/ake/'`
1.128     pazsan    223: GNUMAKE='#'
                    224: test "$make_type" = "GNU Make" && GNUMAKE=''
                    225: AC_MSG_RESULT($make_type)
                    226: AC_SUBST(GNUMAKE)
                    227: 
1.304     pazsan    228: if test "$ac_export_dynamic" != yes; then
                    229:   AC_MSG_CHECKING([whether the linker accepts -export-dynamic])
                    230:   OLDLDFLAGS=$LDFLAGS
                    231:   LDFLAGS="$LDFLAGS -export-dynamic"
                    232:   dnl AC_TRY_LINK gives false positive on rs6000-ibm-aix4.2.1.0
                    233:   dnl AC_TRY_LINK(,,ac_export_dynamic=yes,ac_export_dynamic=no)
                    234:   AC_TRY_RUN(main(){exit(0);},ac_export_dynamic=yes,ac_export_dynamic=no,ac_export_dynamic=no)
                    235:   test $ac_export_dynamic = yes|| LDFLAGS=$OLDLDFLAGS
                    236:   AC_MSG_RESULT($ac_export_dynamic)
                    237: else
                    238:   LDFLAGS="$LDFLAGS -export-dynamic"
                    239: fi
1.50      jwilke    240: 
1.1       anton     241: #terminology is a bit unusual here: The host is the system on which
                    242: #gforth will run; the system on which configure will run is the `build'
                    243: case "$host_cpu" in
1.136     anton     244:        arm*)
                    245:                machine=arm
                    246:                CFLAGS="$CFLAGS -fomit-frame-pointer"
1.184     pazsan    247:                if test x$platform = xnxt; then
1.183     pazsan    248:                   CFLAGS="$CFLAGS -mthumb -mthumb-interwork"
                    249:                fi
1.175     anton     250:                if test -z $arm_cacheflush; then
1.212     dvdkhlng  251:                   case "$host_os" in
                    252:                     *linux*)
1.260     anton     253:                        AC_LIBOBJ(../arch/arm/cacheflush-linux) 
1.212     dvdkhlng  254:                        ;;
                    255:                     *)   
                    256:                        no_dynamic_default=1
1.260     anton     257:                        AC_LIBOBJ(../arch/arm/cacheflush0)
1.212     dvdkhlng  258:                        AC_MSG_WARN([No I-cache flush code known, disabling dynamic native code generation])
                    259:                        ;;
                    260:                    esac
1.260     anton     261:                 else
                    262:                    AC_LIBOBJ(../$arm_cacheflush)
                    263:                    test $srcdir = . || AC_MSG_WARN([setting arm_cacheflush requires building in the source directory])
1.136     anton     264:                fi
1.177     anton     265:                 #longer skipcodes lead to problems on ARM, and it uses
                    266:                 #only 4-byte alignment anyway
                    267:                test "$skipcode" || skipcode="nop"
1.136     anton     268:                ;;
1.1       anton     269:        hppa*)
1.34      anton     270:                machine=hppa
1.87      pazsan    271:                AC_LIBOBJ(../arch/hppa/cache)
1.134     anton     272:                #-N needed for --dynamic <M4U3b.3790$9d.317@news.cpqcorp.net>
                    273:                LDFLAGS="$LDFLAGS -Xlinker -N"
1.47      anton     274:                LIBS="$LIBS -L/lib/pa1.1/"
1.1       anton     275:                ;;
                    276:        sparc*)
1.34      anton     277:                machine=sparc
1.1       anton     278:                ;;
1.31      anton     279:        i386)
1.34      anton     280:                machine=386
1.189     anton     281:                CFLAGS="$CFLAGS -fomit-frame-pointer -fforce-addr"
1.31      anton     282:                ;;
                    283:        i486)
1.34      anton     284:                machine=386
1.282     dvdkhlng  285:                CFLAGS="$CFLAGS -fomit-frame-pointer -fforce-addr"
                    286:                CFLAGS_1="$CFLAGS"
                    287:                CFLAGS="$CFLAGS -march=i486"
                    288:                AC_TRY_COMPILE(,,,CFLAGS="$CFLAGS_1 -m486")
                    289:                AC_TRY_COMPILE(,,,CFLAGS="$CFLAGS_1")
1.31      anton     290:                ;;
1.77      anton     291:        i*86)
1.34      anton     292:                machine=386
1.189     anton     293:                CFLAGS="$CFLAGS -fomit-frame-pointer -fforce-addr"
1.56      pazsan    294:                CFLAGS_1="$CFLAGS"
1.282     dvdkhlng  295:                CFLAGS="$CFLAGS -march=pentium -mtune=generic"
                    296:                AC_TRY_COMPILE(,,,CFLAGS="$CFLAGS_1 -march=pentium")
1.56      pazsan    297:                AC_TRY_COMPILE(,,,CFLAGS="$CFLAGS_1 -m486")
1.282     dvdkhlng  298:                AC_TRY_COMPILE(,,,CFLAGS="$CFLAGS_1")
1.1       anton     299:                ;;
1.133     anton     300:        x86_64)
1.192     pazsan    301:                case $CC
                    302:                in
                    303:                    *-m32*)
                    304:                        machine=386
                    305:                        CFLAGS="$CFLAGS -fomit-frame-pointer -fforce-addr"
                    306:                        CFLAGS_1="$CFLAGS"
                    307:                        CFLAGS="$CFLAGS -march=athlon64"
                    308:                        ;;
                    309:                    *)
                    310:                        machine=amd64
                    311:                        ;;
                    312:                esac
1.133     anton     313:                ;;
1.136     anton     314:        ia64*)
                    315:                machine=ia64
                    316:                AC_LIBOBJ(../arch/ia64/flush_icache_block)
                    317:                test "$skipcode" || skipcode="nop.i 0"
                    318:                #".skip 16" passes the test below,
                    319:                # but gives an assembler error in engine
                    320:                ;;
1.26      pazsan    321:         m68k)
1.34      anton     322:                machine=m68k
1.32      pazsan    323:                CFLAGS="$CFLAGS -fomit-frame-pointer"
                    324:                if test "$host_os" = "nextstep3"
                    325:                then
1.87      pazsan    326:                        AC_LIBOBJ(termios)
1.32      pazsan    327:                fi
1.26      pazsan    328:                ;;
1.1       anton     329:        mips*)
1.34      anton     330:                machine=mips
1.281     dvdkhlng  331:                AC_LIBOBJ(../arch/mips/check_prim) 
1.92      anton     332:                #dynamic native code has the following problems on MIPS:
                    333:                #
                    334:                #1) J/JAL seems relocatable, but is are only
                    335:                #relocatable within a 256MB-segment.  While we try to
                    336:                #get the linker to arrange this, there is no guarantee
                    337:                #that this will succeed (and if the user uses a lot of
                    338:                #memory, it is likely to fail).
                    339:                #
                    340:                #2) The way we generate dynamic native code may
                    341:                #violate MIPS architectural restrictions (in
                    342:                #particular, the delay slots of LW, MFLO, etc.)
                    343:                #
                    344:                #Therefore we disable dynamic native code by default:
1.255     anton     345:                if test -z "$no_dynamic_default"; then
1.136     anton     346:                    no_dynamic_default=1
                    347:                    AC_MSG_WARN([Disabling default dynamic native code generation (relocation and delay slot issues)])
                    348:                fi
1.1       anton     349:                ;;
1.9       pazsan    350:        alpha*)
1.34      anton     351:                machine=alpha
1.58      anton     352:                #full IEEE FP support for more uniformity across platforms:
                    353:                CFLAGS="$CFLAGS -mieee"
1.9       pazsan    354:                ;;
1.69      anton     355:        power*|rs6000)
1.34      anton     356:                machine=power
1.138     anton     357:                AC_CHECK_FUNC(_sync_cache_range,[true],[AC_LIBOBJ(../arch/power/_sync_cache_range)])
1.103     anton     358:                #long long is broken on (at least) gcc-2.95.* for PPC
1.165     anton     359:                test x$ac_cv_sizeof_long_long = x && 
1.238     anton     360:                ($CC -v 2>&1 |grep 'gcc version 2.95' >/dev/null) &&
1.263     anton     361:                      ac_cv_sizeof_long_long=0
1.203     anton     362:                 #The only architecture with enough callee-saved registers
                    363:                 test x$STACK_CACHE_REGS = x && STACK_CACHE_REGS=3
                    364:                 #or use 2, hardly slower at run-time and starts up faster
1.263     anton     365: 
                    366:                 #the skipcode that is normally selected below does not
                    367:                 #work with gcc-3.[34]
                    368:                test "$skipcode" || skipcode="nop\nnop\nnop\nnop"
1.31      anton     369:                ;;
1.1       anton     370:        *)
1.92      anton     371:                AC_MSG_WARN([Using a generic machine description])
                    372:                AC_MSG_WARN([Assuming C floats and doubles are IEEE floats and doubles (for SF@ DF@ SF! DF!)])
                    373:                AC_MSG_WARN([FLUSH-ICACHE will do nothing, so END-CODE may not work properly!])
1.34      anton     374:                machine=generic
1.97      anton     375:                #I-cache flushing would be needed for dynamic code generation
1.136     anton     376:                if test -z $no_dynamic_default; then
                    377:                    no_dynamic_default=1
                    378:                    AC_MSG_WARN([No I-cache flush code known, disabling dynamic native code generation])
                    379:                fi
1.1       anton     380: esac
1.10      anton     381: AC_SUBST(host)
1.151     anton     382: 
1.184     pazsan    383: MAKEINC=""
1.276     pazsan    384: GFORTH_EXE="true"
1.184     pazsan    385: 
                    386: echo "Check for arch/$machine/$platform/gforth.ld ($EC_MODE)"
1.183     pazsan    387: if test x$EC_MODE = xtrue
                    388: then
1.184     pazsan    389:        echo "Check for arch/$machine/$platform/gforth.ld"
                    390:        if test -f arch/$machine/$platform/gforth.ld
1.183     pazsan    391:        then
1.184     pazsan    392:                LDFLAGS="-T ../arch/$machine/$platform/gforth.ld -Map \$@.map -cref --gc-sections $LDFLAGS"
                    393:                if test x$platform = xnxt; then
1.183     pazsan    394:                        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 $LIBS"
                    395:                fi
                    396:        fi
1.184     pazsan    397:        if test -f arch/$machine/$platform/make.inc
                    398:        then
                    399:                MAKEINC="include ../arch/$machine/$platform/make.inc"
1.276     pazsan    400:                GFORTH_EXE="\$(MAKE) -f arch/$machine/$platform/make.inc \$@.exe"
1.184     pazsan    401:        fi
1.183     pazsan    402: fi
1.184     pazsan    403: AC_SUBST(MAKEINC)
1.183     pazsan    404: 
1.203     anton     405: AC_ARG_VAR(STACK_CACHE_REGS, [number of registers in the maximum stack cache state for gforth-fast and gforth-native (default platform-dependent).])
                    406: 
                    407: test x$STACK_CACHE_REGS = x && STACK_CACHE_REGS=1
                    408: AC_DEFINE_UNQUOTED(STACK_CACHE_REGS, $STACK_CACHE_REGS,
                    409:                   [number of registers in the maximum stack cache state for gforth-fast and gforth-native])
1.151     anton     410: test x$STACK_CACHE_DEFAULT_FAST = x && STACK_CACHE_DEFAULT_FAST=1
                    411: AC_DEFINE_UNQUOTED(STACK_CACHE_DEFAULT_FAST, $STACK_CACHE_DEFAULT_FAST,
                    412:                   [number of registers in the default stack cache state for gforth-fast and gforth-native])
1.146     pazsan    413: 
1.173     anton     414: test x$GCC_PR15242_WORKAROUND = x ||
                    415: AC_DEFINE_UNQUOTED(GCC_PR15242_WORKAROUND, $GCC_PR15242_WORKAROUND,
                    416:                    [force (1) or forbid (0) use of a workaround for a gcc performance bug])
                    417: 
1.103     anton     418: dnl the following macro produces a warning with autoconf-2.1
                    419: AC_CHECK_SIZEOF(char *)
                    420: case "$ac_cv_sizeof_char_p" in
                    421:   2)
                    422:     wordsize=16
                    423:     ;;
                    424:   4)
                    425:     wordsize=32
                    426:     ;;
                    427:   8)
                    428:     wordsize=64
                    429:     ;;
                    430: esac
                    431: 
1.183     pazsan    432: AC_CHECK_SIZEOF(void *)
                    433: case "$ac_cv_sizeof_void_p" in
                    434:   2)
                    435:     vwordsize=16
                    436:     ;;
                    437:   4)
                    438:     vwordsize=32
                    439:     ;;
                    440:   8)
                    441:     vwordsize=64
                    442:     ;;
                    443: esac
                    444: 
1.103     anton     445: AC_CHECK_SIZEOF(char)
                    446: AC_CHECK_SIZEOF(short)
                    447: AC_CHECK_SIZEOF(int)
                    448: AC_CHECK_SIZEOF(long)
                    449: AC_CHECK_SIZEOF(long long)
                    450: AC_CHECK_SIZEOF(intptr_t)
                    451: AC_CHECK_SIZEOF(int128_t)
1.144     pazsan    452: AC_CHECK_SIZEOF(uint128_t)
1.103     anton     453: 
                    454: AC_MSG_CHECKING([for a C type for cells])
                    455: ac_cv_int_type_cell=none
                    456: case "$ac_cv_sizeof_char_p" in
                    457:   $ac_cv_sizeof_int)
                    458:     ac_cv_int_type_cell=int
                    459:     ;;
                    460:   $ac_cv_sizeof_short)
                    461:     ac_cv_int_type_cell=short
                    462:     ;;
                    463:   $ac_cv_sizeof_char)
                    464:     ac_cv_int_type_cell=char
                    465:     ;;
                    466:   $ac_cv_sizeof_long)
                    467:     ac_cv_int_type_cell=long
                    468:     ;;
                    469:   $ac_cv_sizeof_long_long)
                    470:     ac_cv_int_type_cell="long long"
                    471:     ;;
                    472:   $ac_cv_sizeof_intptr_t)
                    473:     ac_cv_int_type_cell="intptr_t"
                    474:     ;;
                    475: esac
                    476: AC_MSG_RESULT($ac_cv_int_type_cell)
                    477: AC_DEFINE_UNQUOTED(CELL_TYPE,$ac_cv_int_type_cell,[an integer type that is as long as a pointer])
                    478: 
1.153     pazsan    479: AC_MSG_CHECKING([for a C type for wydes])
                    480: ac_cv_wyde_type_cell=none
                    481: case 2 in
                    482:   $ac_cv_sizeof_int)
                    483:     ac_cv_wyde_type_cell=int
                    484:     ;;
                    485:   $ac_cv_sizeof_short)
                    486:     ac_cv_wyde_type_cell=short
                    487:     ;;
                    488:   $ac_cv_sizeof_char)
                    489:     ac_cv_wyde_type_cell=char
                    490:     ;;
                    491:   $ac_cv_sizeof_long)
                    492:     ac_cv_wyde_type_cell=long
                    493:     ;;
                    494:   $ac_cv_sizeof_long_long)
                    495:     ac_cv_wyde_type_cell="long long"
                    496:     ;;
                    497:   $ac_cv_sizeof_intptr_t)
                    498:     ac_cv_wyde_type_cell="intptr_t"
                    499:     ;;
                    500: esac
                    501: AC_MSG_RESULT($ac_cv_wyde_type_cell)
                    502: AC_DEFINE_UNQUOTED(WYDE_TYPE,$ac_cv_wyde_type_cell,[an integer type that is 2 bytes long])
                    503: 
                    504: AC_MSG_CHECKING([for a C type for tetrabytes])
                    505: ac_cv_tetrabyte_type_cell=none
                    506: case 4 in
                    507:   $ac_cv_sizeof_int)
                    508:     ac_cv_tetrabyte_type_cell=int
                    509:     ;;
                    510:   $ac_cv_sizeof_short)
                    511:     ac_cv_tetrabyte_type_cell=short
                    512:     ;;
                    513:   $ac_cv_sizeof_char)
                    514:     ac_cv_tetrabyte_type_cell=char
                    515:     ;;
                    516:   $ac_cv_sizeof_long)
                    517:     ac_cv_tetrabyte_type_cell=long
                    518:     ;;
                    519:   $ac_cv_sizeof_long_long)
                    520:     ac_cv_tetrabyte_type_cell="long long"
                    521:     ;;
                    522:   $ac_cv_sizeof_intptr_t)
                    523:     ac_cv_tetrabyte_type_cell="intptr_t"
                    524:     ;;
                    525: esac
                    526: AC_MSG_RESULT($ac_cv_tetrabyte_type_cell)
                    527: AC_DEFINE_UNQUOTED(TETRABYTE_TYPE,$ac_cv_tetrabyte_type_cell,[an integer type that is 4 bytes long])
                    528: 
1.277     pazsan    529: AC_MSG_CHECKING([for a C type for octabytes])
                    530: ac_cv_octabyte_type_cell=none
                    531: case 8 in
                    532:   $ac_cv_sizeof_int)
                    533:     ac_cv_octabyte_type_cell=int
                    534:     ;;
                    535:   $ac_cv_sizeof_short)
                    536:     ac_cv_octabyte_type_cell=short
                    537:     ;;
                    538:   $ac_cv_sizeof_char)
                    539:     ac_cv_octabyte_type_cell=char
                    540:     ;;
                    541:   $ac_cv_sizeof_long)
                    542:     ac_cv_octabyte_type_cell=long
                    543:     ;;
                    544:   $ac_cv_sizeof_long_long)
                    545:     ac_cv_octabyte_type_cell="long long"
                    546:     ;;
                    547:   $ac_cv_sizeof_intptr_t)
                    548:     ac_cv_octabyte_type_cell="intptr_t"
                    549:     ;;
                    550: esac
                    551: AC_MSG_RESULT($ac_cv_octabyte_type_cell)
                    552: AC_DEFINE_UNQUOTED(OCTABYTE_TYPE,$ac_cv_octabyte_type_cell,[an integer type that is 8 bytes long])
                    553: 
1.103     anton     554: AC_MSG_CHECKING([for a C type for double-cells])
                    555: ac_cv_int_type_double_cell=none
                    556: case `expr 2 '*' "$ac_cv_sizeof_char_p"` in
                    557:   $ac_cv_sizeof_short)
                    558:     ac_cv_int_type_double_cell=short
                    559:     ;;
                    560:   $ac_cv_sizeof_int)
                    561:     ac_cv_int_type_double_cell=int
                    562:     ;;
                    563:   $ac_cv_sizeof_long)
                    564:     ac_cv_int_type_double_cell=long
                    565:     ;;
                    566:   $ac_cv_sizeof_long_long)
                    567:     ac_cv_int_type_double_cell="long long"
                    568:     ;;
                    569:   $ac_cv_sizeof_intptr_t)
                    570:     ac_cv_int_type_double_cell="intptr_t"
                    571:     ;;
1.205     anton     572:   $ac_cv_sizeof_int128_t)
1.103     anton     573:     ac_cv_int_type_double_cell="int128_t"
                    574:     ;;
                    575: esac
                    576: AC_MSG_RESULT($ac_cv_int_type_double_cell)
1.144     pazsan    577: 
                    578: AC_MSG_CHECKING([for a C type for unsigned double-cells])
                    579: ac_cv_int_type_double_ucell=none
                    580: case `expr 2 '*' "$ac_cv_sizeof_char_p"` in
                    581:   $ac_cv_sizeof_short)
                    582:     ac_cv_int_type_double_ucell="unsigned short"
                    583:     ;;
                    584:   $ac_cv_sizeof_int)
                    585:     ac_cv_int_type_double_ucell="unsigned int"
                    586:     ;;
                    587:   $ac_cv_sizeof_long)
                    588:     ac_cv_int_type_double_ucell="unsigned long"
                    589:     ;;
                    590:   $ac_cv_sizeof_long_long)
                    591:     ac_cv_int_type_double_ucell="unsigned long long"
                    592:     ;;
                    593:   $ac_cv_sizeof_intptr_t)
                    594:     ac_cv_int_type_double_ucell="unsigned intptr_t"
                    595:     ;;
                    596:   $ac_cv_sizeof_uint128_t)
                    597:     ac_cv_int_type_double_ucell="uint128_t"
                    598:     ;;
                    599: esac
                    600: AC_MSG_RESULT($ac_cv_int_type_double_ucell)
                    601: 
1.204     anton     602: if test "$ac_cv_int_type_double_cell" != none && \
                    603:    test "$ac_cv_int_type_double_ucell" != none
1.144     pazsan    604: then
1.103     anton     605:        AC_DEFINE_UNQUOTED(DOUBLE_CELL_TYPE,$ac_cv_int_type_double_cell,[an integer type that is twice as long as a pointer])
1.144     pazsan    606:        AC_DEFINE_UNQUOTED(DOUBLE_UCELL_TYPE,$ac_cv_int_type_double_ucell,[an unsigned integer type that is twice as long as a pointer])
1.206     anton     607:         OPTS=-ll
                    608: else
1.217     pazsan    609:         if test "$ac_cv_sizeof_char_p" = 8; then
1.213     anton     610:            OPTS="-ll -noll"
1.206     anton     611:         else
                    612:            OPTS=-noll
                    613:         fi
1.103     anton     614: fi
1.207     anton     615: 
1.258     anton     616: if grep FORCE_REG $srcdir/arch/$machine/machine.h >/dev/null; then
1.227     pazsan    617:    OPTS2=''
                    618:    for i in $OPTS; do OPTS2="$OPTS2 $i-reg"; done
                    619:    OPTS="$OPTS2 $OPTS"
1.223     anton     620: else
                    621:   AC_DEFINE_UNQUOTED(FORCE_REG_UNNECESSARY,,[defined if the platform does not need FORCE_REG])
1.207     anton     622: fi
1.206     anton     623: AC_SUBST(OPTS)
1.103     anton     624: 
                    625: AC_TYPE_OFF_T
                    626: AC_CHECK_SIZEOF(off_t)
                    627: test $ac_cv_sizeof_off_t -gt $ac_cv_sizeof_char_p
                    628: ac_small_off_t=$?
                    629: AC_DEFINE_UNQUOTED(SMALL_OFF_T,$ac_small_off_t,[1 if off_t fits in a Cell])
1.1       anton     630: 
1.109     anton     631: ENGINE_FLAGS=
                    632: AC_SUBST(ENGINE_FLAGS)
                    633: 
                    634: # Try if GCC understands -fno-gcse
                    635: 
                    636: AC_MSG_CHECKING([if $CC understands -fno-gcse])
                    637: CFLAGS_1="$CFLAGS"
                    638: CFLAGS="$CFLAGS -fno-gcse"
                    639: AC_TRY_COMPILE(,,ac_nogcse=yes;ENGINE_FLAGS="$ENGINE_FLAGS -fno-gcse",ac_nogcse=no)
                    640: CFLAGS="$CFLAGS_1"
                    641: AC_MSG_RESULT($ac_nogcse)
                    642: 
                    643: # Try if GCC understands -fno-strict-aliasing
                    644: AC_MSG_CHECKING([if $CC understands -fno-strict-aliasing])
                    645: CFLAGS_1="$CFLAGS"
                    646: CFLAGS="$CFLAGS -fno-strict-aliasing"
                    647: AC_TRY_COMPILE(,,ac_nostrictaliasing=yes;ENGINE_FLAGS="$ENGINE_FLAGS -fno-strict-aliasing",ac_nostrictaliasing=no)
                    648: CFLAGS="$CFLAGS_1"
                    649: AC_MSG_RESULT($ac_nostrictaliasing)
                    650: 
1.123     anton     651: # Try if GCC understands -fno-crossjumping
                    652: AC_MSG_CHECKING([if $CC understands -fno-crossjumping])
1.88      pazsan    653: CFLAGS_1="$CFLAGS"
1.123     anton     654: CFLAGS="$CFLAGS -fno-crossjumping"
1.125     anton     655: AC_TRY_COMPILE(,,ac_nocrossjumping=yes;ENGINE_FLAGS="$ENGINE_FLAGS -fno-crossjumping",ac_nocrossjumping=no)
1.109     anton     656: CFLAGS="$CFLAGS_1"
1.124     pazsan    657: AC_MSG_RESULT($ac_nocrossjumping)
1.88      pazsan    658: 
1.137     pazsan    659: # Try if GCC understands -fno-reorder-blocks
                    660: AC_MSG_CHECKING([if $CC understands -fno-reorder-blocks])
                    661: CFLAGS_1="$CFLAGS"
                    662: CFLAGS="$CFLAGS -fno-reorder-blocks"
                    663: AC_TRY_COMPILE(,,ac_noreorder_blocks=yes;ENGINE_FLAGS="$ENGINE_FLAGS -fno-reorder-blocks",ac_noreorder_blocks=no)
                    664: CFLAGS="$CFLAGS_1"
                    665: AC_MSG_RESULT($ac_noreorder_blocks)
                    666: 
1.189     anton     667: # Try if GCC understands -falign-labels=1
                    668: AC_MSG_CHECKING([if $CC understands -falign-labels=1])
                    669: CFLAGS_1="$CFLAGS"
                    670: CFLAGS="$CFLAGS -falign-labels=1"
1.194     anton     671: AC_TRY_COMPILE(,,ac_align_labels=yes;ENGINE_FLAGS="$ENGINE_FLAGS -falign-labels=1",ac_align_labels=no)
1.189     anton     672: CFLAGS="$CFLAGS_1"
                    673: AC_MSG_RESULT($ac_align_labels)
                    674: 
1.193     anton     675: # Try if GCC understands -falign-loops=1
                    676: AC_MSG_CHECKING([if $CC understands -falign-loops=1])
                    677: CFLAGS_1="$CFLAGS"
                    678: CFLAGS="$CFLAGS -falign-loops=1"
1.194     anton     679: AC_TRY_COMPILE(,,ac_align_loops=yes;ENGINE_FLAGS="$ENGINE_FLAGS -falign-loops=1",ac_align_loops=no)
1.193     anton     680: CFLAGS="$CFLAGS_1"
                    681: AC_MSG_RESULT($ac_align_loops)
                    682: 
                    683: # Try if GCC understands -falign-jumps=1
                    684: AC_MSG_CHECKING([if $CC understands -falign-jumps=1])
                    685: CFLAGS_1="$CFLAGS"
                    686: CFLAGS="$CFLAGS -falign-jumps=1"
1.194     anton     687: AC_TRY_COMPILE(,,ac_align_jumps=yes;ENGINE_FLAGS="$ENGINE_FLAGS -falign-jumps=1",ac_align_jumps=no)
1.193     anton     688: CFLAGS="$CFLAGS_1"
                    689: AC_MSG_RESULT($ac_align_jumps)
                    690: 
1.271     anton     691: if test -z "$LIBTOOL_CC"
                    692: then
                    693:   LIBTOOL_CC="$CC"
                    694:   # Try if GCC understands -Wimplicit-function-declaration
                    695:   AC_MSG_CHECKING([if $CC understands -Wimplicit-function-declaration])
                    696:   CFLAGS_1="$CFLAGS"
                    697:   CFLAGS="$CFLAGS -Wimplicit-function-declaration"
                    698:   AC_TRY_COMPILE(,,LIBTOOL_CC="$CC -Wimplicit-function-declaration",)
                    699:   CFLAGS="$CFLAGS_1"
                    700:   AC_MSG_RESULT($ac_align_jumps)
                    701: fi
                    702: AC_SUBST(LIBTOOL_CC)
                    703: 
                    704: 
                    705: 
1.130     anton     706: # Try if GCC understands __attribute__((unused))
                    707: AC_MSG_CHECKING([how to suppress 'unused variable' warnings])
                    708: AC_TRY_COMPILE(,[int __attribute__((unused)) foo;], MAYBE_UNUSED='__attribute__((unused))',)
                    709: AC_DEFINE_UNQUOTED(MAYBE_UNUSED,$MAYBE_UNUSED,[attribute for possibly unused variables])
                    710: AC_MSG_RESULT($MAYBE_UNUSED)
                    711: 
1.289     anton     712: # Try if GCC understands __thread
1.306     pazsan    713: AC_CACHE_CHECK([whether gcc understands '__thread'], [ac_cv_thread],
                    714:      [AC_TRY_COMPILE(,[extern __thread int foo;],
                    715:                         [ac_cv_thread=yes],
                    716:                         [ac_cv_thread=no])])
                    717: test x$ac_cv_thread = xyes && PER_THREAD='__thread'
1.289     anton     718: AC_DEFINE_UNQUOTED(PER_THREAD,$PER_THREAD,[storage class for thread-local variables])
                    719: 
1.195     anton     720: #try if m4 understands -s
                    721: AC_MSG_CHECKING([how to invoke m4])
1.196     anton     722: if m4 -s /dev/null >/dev/null 2>&1; then
1.195     anton     723:  M4="m4 -s"
                    724: else
                    725:  M4=m4
                    726: fi
                    727: AC_SUBST(M4)
                    728: AC_MSG_RESULT($M4)
                    729: 
1.215     anton     730: #echo "machine='$machine'"
1.191     anton     731: 
                    732: dnl AC_CHECK_PROG(asm_fs,asm.fs,arch/$machine/asm.fs,,$srcdir/arch/$machine)
1.275     pazsan    733: if test x$EC_MODE = xfalse
                    734: then
1.278     dvdkhlng  735:   AS_IF([test -f $srcdir/arch/$machine/asm.fs],
                    736:         [asm_fs=arch/$machine/asm.fs])
1.275     pazsan    737: fi
1.61      anton     738: AC_SUBST(asm_fs)
                    739: 
1.191     anton     740: dnl AC_CHECK_PROG(disasm_fs,disasm.fs,arch/$machine/disasm.fs,,$srcdir/arch/$machine)
1.275     pazsan    741: if test x$EC_MODE = xfalse
                    742: then
1.278     dvdkhlng  743:   AS_IF([test -f $srcdir/arch/$machine/disasm.fs],
                    744:        [disasm_fs=arch/$machine/disasm.fs])
1.275     pazsan    745: fi
1.61      anton     746: AC_SUBST(disasm_fs)
                    747: 
1.116     anton     748: AC_PATH_PROG(INSTALL_INFO,install-info,[echo '>>>>Please make info dir entry:'],$PATH:/sbin:/usr/sbin:/usr/local/sbin)
1.114     anton     749: 
1.39      pazsan    750: case "$host_os" in
1.157     pazsan    751:        *win32*)
                    752:                # !!!FIXME!!! problems with cygwin and ';' as path separator
1.108     anton     753:                DIRSEP="\\\\"
1.127     anton     754:                PATHSEP=";"
1.142     anton     755:                #we want the builtins of command.com/cmd.exe and its
                    756:                # handling of .com files.
                    757:                #$COMSPEC contains the name of the Windows shell;
                    758:                # the ./ is there, because the bash does not recognize
                    759:                # absolute DOS filenames
                    760:                DEFAULTSYSTEMPREFIX="./$COMSPEC /c "
1.39      pazsan    761:                ;;
1.97      anton     762:        *darwin*)
                    763:                #Darwin uses some funny preprocessor by default; eliminate it:
1.127     anton     764:                AC_MSG_NOTICE([using -no-cpp-precomp on Darwin])
1.120     anton     765:                CFLAGS="$CFLAGS -no-cpp-precomp"
1.98      anton     766:                DIRSEP="/"
1.127     anton     767:                PATHSEP=":"
1.141     anton     768:                DEFAULTSYSTEMPREFIX=""
1.243     anton     769:                 #the following magic value was suggested by
                    770:                 #http://mail.python.org/pipermail/pythonmac-sig/2005-October/015190.html
                    771:                 AC_DEFINE_UNQUOTED(MACOSX_DEPLOYMENT_TARGET,"10.3",[an environment variable value needed by libtool on some MacOS X versions])
1.98      anton     772:                ;;
1.246     pazsan    773:        *linux*)
                    774:                DIRSEP="/"
                    775:                PATHSEP=":"
                    776:                DEFAULTSYSTEMPREFIX=""
1.250     anton     777:                if test -z "$LTDL_LIBRARY_PATH" -a "$wordsize" = 64; then
1.253     pazsan    778:                   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    779:                fi
                    780:                ;;
1.39      pazsan    781:        *)
1.88      pazsan    782:                DIRSEP="/"
1.127     anton     783:                PATHSEP=":"
1.141     anton     784:                DEFAULTSYSTEMPREFIX=""
1.39      pazsan    785:                ;;
                    786: esac
1.88      pazsan    787: AC_SUBST(DIRSEP)
1.89      pazsan    788: AC_DEFINE_UNQUOTED(DIRSEP,'$DIRSEP',[a directory separator character])
1.127     anton     789: AC_SUBST(PATHSEP)
                    790: AC_DEFINE_UNQUOTED(PATHSEP,'$PATHSEP',[a path separator character])
1.141     anton     791: AC_SUBST(DEFAULTSYSTEMPREFIX)
                    792: AC_DEFINE_UNQUOTED(DEFAULTSYSTEMPREFIX,"$DEFAULTSYSTEMPREFIX",[default for environment variable GFORTHSYSTEMPREFIX])
1.250     anton     793: if test -n "$LTDL_LIBRARY_PATH"; then
                    794:    AC_DEFINE_UNQUOTED(LTDL_LIBRARY_PATH,"$LTDL_LIBRARY_PATH",[Define LTDL_LIBRARY_PATH for 64 bit Linux])
                    795: fi                                                                
1.39      pazsan    796: 
1.170     anton     797: #work around SELinux brain damage (from Andrew Haley <12t8f3jakb74g2c@news.supernews.com>)
1.172     anton     798: #This magic incantation  seems to be completely undocumented.
                    799: AC_CHECK_PROG([MASSAGE_EXE],[chcon],[chcon -t unconfined_execmem_exec_t],[true])
1.170     anton     800: 
1.1       anton     801: dnl Now a little support for DOS/DJGCC
1.276     pazsan    802: GFORTHFAST_EXE="$GFORTH_EXE"
                    803: GFORTHITC_EXE="$GFORTH_EXE"
                    804: GFORTHDITC_EXE="$GFORTH_EXE"
1.30      pazsan    805: AC_SUBST(GFORTH_EXE)
1.48      anton     806: AC_SUBST(GFORTHFAST_EXE)
1.83      anton     807: AC_SUBST(GFORTHITC_EXE)
1.30      pazsan    808: AC_SUBST(GFORTHDITC_EXE)
1.27      anton     809: 
                    810: AC_SUBST(FORTHSIZES)
1.24      anton     811: 
1.104     anton     812: dnl if test "$PEEPHOLE" = "yes"
                    813: dnl then
                    814: dnl    PEEPHOLEFLAG="true"
                    815: dnl    AC_DEFINE(HAS_PEEPHOLE,,[Define if you want to use peephole optimization])
                    816: dnl else
                    817: dnl    PEEPHOLEFLAG="false"
                    818: dnl fi
                    819: PEEPHOLEFLAG="true"
1.79      pazsan    820: AC_SUBST(PEEPHOLEFLAG)
                    821: 
1.1       anton     822: dnl copy commands for systems that don't have links
1.29      pazsan    823: AC_SUBST(LINK_KERNL)
                    824: LINK_KERNL=""
1.1       anton     825: 
                    826: #if test $host_os=dos
                    827: #then
                    828: #  echo Configuring for DOS!!!
                    829: #  MAKE_EXE="coff2exe gforth"
1.29      pazsan    830: #  LINK_KERNL='$(CP) kernl32l.fi kernel.fi'
1.1       anton     831: #fi
                    832: 
                    833: dnl the following macro produces a warning with autoconf-2.1
                    834: AC_C_BIGENDIAN
1.23      pazsan    835: AC_SUBST(KERNEL)
1.1       anton     836: dnl ac_cv_c_bigendian is an undocumented variable of autoconf-2.1
1.256     pazsan    837: if test $ac_cv_c_bigendian != no; then
1.1       anton     838:   bytesex=b
1.23      pazsan    839:   KERNEL="kernl16b.fi kernl16l.fi kernl32b.fi kernl32l.fi kernl64b.fi kernl64l.fi"
1.1       anton     840: else
                    841:   bytesex=l
1.23      pazsan    842:   KERNEL="kernl16l.fi kernl16b.fi kernl32l.fi kernl32b.fi kernl64l.fi kernl64b.fi"
1.1       anton     843: fi
                    844: 
1.91      anton     845: #check how to do asm(".skip 16")
1.169     anton     846: #echo "CFLAGS=$CFLAGS"
                    847: #echo "ac_link=$ac_link"
1.92      anton     848: AC_MSG_CHECKING([if and how we can waste code space])
1.279     dvdkhlng  849: if test -z "$skipcode" && test x$cross_compiling = xyes; then
                    850:    # we cannot perform the AC_TRY_RUN check when cross-compiling.  
                    851:    skipcode=no
                    852:    AC_MSG_RESULT([$skipcode, can't run checks since cross-compiling])
                    853: elif test -z "$skipcode"; then
1.148     anton     854:     skipcode=no
                    855:     CFLAGS_1="$CFLAGS"
                    856:     CFLAGS="$CFLAGS $ENGINE_FLAGS"
1.136     anton     857:     for i in ".skip 16" ".block 16" ".org .+16" ".=.+16" ".space 16"
                    858:     do
1.91      anton     859:        AC_TRY_RUN(
1.136     anton     860: [int foo(int,int,int);
1.91      anton     861: main()
                    862: {
1.136     anton     863:   exit(foo(0,0,0)!=16);
1.91      anton     864: }
1.136     anton     865: int foo(int x, int y, int z)
1.91      anton     866: {
1.136     anton     867:   static void *labels[]={&&label1, &&label2};
1.91      anton     868:   if (x) {
1.136     anton     869:     y++; /* workaround for http://gcc.gnu.org/bugzilla/show_bug.cgi?id=12108 */
1.91      anton     870:   label1:
1.148     anton     871:     asm("$i"); /* or ".space 16" or somesuch */
1.136     anton     872:   label2: ;
                    873:   }
                    874:   {
                    875:   if (y) goto *labels[z]; /* workaround for gcc PR12108 */
                    876:   return labels[1]-labels[0];
1.91      anton     877:   }
1.136     anton     878: }]
1.92      anton     879:        ,skipcode=$i; break
                    880:        ,,)
1.136     anton     881:     done
1.148     anton     882:     CFLAGS=$CFLAGS_1
1.136     anton     883: fi
1.92      anton     884: AC_MSG_RESULT($skipcode)
                    885: if test "$skipcode" = no
                    886: then 
1.136     anton     887:     if test -z $no_dynamic_default; then
                    888:        no_dynamic_default=1
                    889:        AC_MSG_WARN(Disabling default dynamic native code generation)
                    890:     fi
1.280     dvdkhlng  891:     AC_DEFINE_UNQUOTED(SKIP16,asm(""),statement for skipping 16 bytes)
1.92      anton     892: else
                    893:     AC_DEFINE_UNQUOTED(SKIP16,asm("$skipcode"),statement for skipping 16 bytes)
                    894: fi
1.91      anton     895: 
1.174     anton     896: AC_MSG_CHECKING([if and how we can do comments in asm statements])
                    897: #the point here is to get asm statements that look different to
                    898: #gcc's "optimizer"
                    899: if test -z "$asmcomment"; then
                    900:     asmcomment=no
                    901:     CFLAGS_1="$CFLAGS"
                    902:     CFLAGS="$CFLAGS $ENGINE_FLAGS"
1.176     anton     903:     for i in '"# "' '"! "' '"; "'; do
1.174     anton     904:        AC_TRY_COMPILE(,[asm($i"fluffystunk");],asmcomment=$i; break,)
                    905:     done
                    906:     CFLAGS=$CFLAGS_1
                    907: fi
                    908: AC_MSG_RESULT($asmcomment)
                    909: if test "$asmcomment" != no
                    910: then 
                    911:     AC_DEFINE_UNQUOTED(ASMCOMMENT,$asmcomment,[assembler comment start string])
                    912: fi
                    913: 
1.136     anton     914: test "$no_dynamic_default" || no_dynamic_default=0
1.92      anton     915: AC_DEFINE_UNQUOTED(NO_DYNAMIC_DEFAULT,$no_dynamic_default,default value for no_dynamic)
1.91      anton     916: 
1.1       anton     917: dnl Checks for programs.
                    918: AC_PROG_LN_S
1.95      anton     919: AC_PROG_INSTALL
1.163     pazsan    920: AC_CHECK_PROGS(TEXI2DVI,texi2dvi4a2ps texi2dvi)
1.1       anton     921: 
1.288     anton     922: dnl check for the presence of Emacs
                    923: AC_CHECK_PROGS(EMACS,emacs xemacs)
                    924: test -n "$EMACS" && gforth_elc=gforth.elc
                    925: AC_SUBST(gforth_elc)
                    926: 
1.198     anton     927: dnl MacOS X has a libtool that does something else
1.264     pazsan    928: AC_CHECK_PROGS(GNU_LIBTOOL,"glibtool --tag=CC" libtool)
1.198     anton     929: 
1.269     anton     930: dnl Checks for library functions
                    931: dnl This check is just for making later checks link with libm.
                    932: dnl using sin here is no good idea since it is built-into gcc and typechecked
                    933: AC_CHECK_LIB(m,asin)
1.305     pazsan    934: AC_CHECK_LIB(ltdl,lt_dlinit)
                    935: dnl ,LIB_SUFFIX=.la,LIB_SUFFIX=.so)
                    936: if test "x$ac_cv_lib_ltdl_lt_dlinit" = xyes; then
                    937:   LIB_SUFFIX=.la
                    938: else
                    939:   LIB_SUFFIX=.so
                    940: fi
1.304     pazsan    941: AC_SUBST(LIB_SUFFIX)
1.295     pazsan    942: AC_CHECK_LIB(rt,clock_gettime)
1.269     anton     943: 
                    944: if test -n "$GNU_LIBTOOL" -a $ac_cv_lib_ltdl_lt_dlinit = yes; then
1.258     anton     945:   build_libcc_named=build-libcc-named
                    946: else
                    947:   build_libcc_named=""
1.274     anton     948:   AC_MSG_WARN([No GNU_LIBTOOL found, skip pre-building libcc-based libraries])
1.258     anton     949: fi
                    950: AC_SUBST(build_libcc_named)
                    951: 
1.274     anton     952: 
                    953: if test -z "$GNU_LIBTOOL"; then
                    954:   AC_MSG_WARN([No GNU_LIBTOOL found, using "libtool" as name.])
                    955:   AC_MSG_WARN([libcc.fs won't work until you have installed (GNU) libtool.])
                    956:   GNU_LIBTOOL=libtool
                    957: fi
                    958: 
1.235     anton     959: #check for libffi 2.x
1.237     anton     960: AC_CHECK_HEADER(ffi.h,FFI_H_NAME=ffi.h,)
                    961: if test -z "$FFI_H_NAME"; then
                    962:   AC_CHECK_HEADER(ffi/ffi.h,FFI_H_NAME=ffi/ffi.h,)
                    963: fi
                    964: AC_SUBST(FFI_H_NAME)
1.286     pazsan    965: AC_CHECK_LIB(ffi,ffi_call,LIBS="$LIBS")
1.241     anton     966: if test -n "$FFI_H_NAME" -a $ac_cv_lib_ffi_ffi_call = yes
1.235     anton     967: then
                    968:   LIBFFIFLAG="true"
1.236     anton     969:   LIBCC_BUILD_SRC="$LIBCC_BUILD_SRC libffi.fs"
1.235     anton     970: else
                    971:   LIBFFIFLAG="false"
                    972: fi
                    973: #check for ffcall libraries
                    974: #unfortunately, these four calls are separated out into a library each.
1.286     pazsan    975: AC_CHECK_LIB(avcall,__builtin_avcall,LIBS="$LIBS")
1.234     pazsan    976: dnl AC_CHECK_LIB(callback,__vacall_r)
                    977: dnl AC_CHECK_LIB(vacall,vacall)
                    978: dnl AC_CHECK_LIB(trampoline,alloc_trampoline)
1.235     anton     979: if test $ac_cv_lib_avcall___builtin_avcall = yes; then
                    980:   FFCALLFLAG="true"
1.236     anton     981:   LIBCC_BUILD_SRC="$LIBCC_BUILD_SRC fflib.fs"
1.235     anton     982: else
                    983:   FFCALLFLAG="false"
                    984: fi
                    985: if test $LIBFFIFLAG = false -a $FFCALLFLAG = false; then
                    986:   AC_MSG_WARN([The (old) lib.fs foreign function interface needs either libffi or the ffcall libraries])
                    987: fi
                    988: AC_SUBST(LIBFFIFLAG)
                    989: AC_SUBST(FFCALLFLAG)
1.236     anton     990: AC_SUBST(LIBCC_BUILD_SRC)
1.32      pazsan    991: if test "$host_os" != "nextstep3"
                    992: then
                    993:        AC_FUNC_MEMCMP
                    994: fi
1.300     pazsan    995: AC_REPLACE_FUNCS(memmove strtoul pow10 sincos strerror strsignal atanh)
1.97      anton     996: AC_FUNC_FSEEKO
1.296     pazsan    997: AC_CHECK_FUNCS(ftello dlopen sys_siglist getrusage nanosleep clock_gettime)
1.111     anton     998: AC_CHECK_TYPES(stack_t,,,[#include <signal.h>])
1.19      anton     999: AC_DECL_SYS_SIGLIST
1.138     anton    1000: AC_CHECK_FUNC(getopt_long,[true],[AC_LIBOBJ(getopt) AC_LIBOBJ(getopt1)])
1.90      anton    1001: AC_CHECK_FUNCS(expm1 log1p)
                   1002: AC_REPLACE_FUNCS(rint ecvt)
1.1       anton    1003: dnl No check for select, because our replacement is no good under
                   1004: dnl anything but DOS
1.277     pazsan   1005: AC_CHECK_HEADERS(sys/mman.h fnmatch.h alloca.h wchar.h endian.h)
1.63      anton    1006: AC_FUNC_FNMATCH
1.87      pazsan   1007: test $ac_cv_func_fnmatch_works = yes || AC_LIBOBJ(fnmatch)
1.255     anton    1008: AC_CHECK_FUNCS(mmap sysconf getpagesize wcwidth)
1.34      anton    1009: AM_PATH_LISPDIR
1.1       anton    1010: 
1.183     pazsan   1011: kernel_fi=kernl${vwordsize}${bytesex}.fi
1.178     pazsan   1012: include_fi=kernl${wordsize}${bytesex}${EC}.fi
1.23      pazsan   1013: AC_SUBST(kernel_fi)
1.178     pazsan   1014: AC_SUBST(include_fi)
1.50      jwilke   1015: 
1.292     pazsan   1016: # Find installed Gforth
                   1017: AC_MSG_CHECKING([for gforth])
                   1018: GFORTH="`cd / && which gforth 2>/dev/null`"
                   1019: #the "$srcdir" = "." test defends agains the "../" bug in gforth-0.6.2
                   1020: (cd / && $GFORTH -e bye >/dev/null 2>/dev/null  && test "$srcdir" = ".") || GFORTH=""
                   1021: if test -z "$GFORTH"; then
                   1022:   PREFORTH='echo "You need to configure with a gforth in \$PATH to build this part" && false'
1.293     pazsan   1023:   GFORTHKER='echo "You need to configure with a gforth in \$PATH to build this part" && false'
1.292     pazsan   1024:   kernel_anti_dependence=''
                   1025: else
                   1026:   GFORTH_FI=`cd / && $GFORTH --debug -e bye 2>&1 |grep "Opened image file: "|sed 's/Opened image file: //'`
                   1027:   PREFORTH="$GFORTH -i $GFORTH_FI" ;
1.308     pazsan   1028:   KERNLX_FI1=`echo $GFORTH_FI | sed -e s/lib[64]*/share/g -e s/gforth.fi/kernl*.fi/g`
1.294     pazsan   1029:   KERNLX_FI2=`echo $GFORTH_FI | sed -e s/gforth.fi/kernl*.fi/g`
                   1030:   test -f $KERNLX_FI1 && KERNLX_FI=$KERNLX_FI1
                   1031:   test -f $KERNLX_FI2 && KERNLX_FI=$KERNLX_FI2
1.293     pazsan   1032:   GFORTHKER="$GFORTH -i `echo $KERNLX_FI`" ;
1.292     pazsan   1033:   kernel_anti_dependence='$(kernel_fi)'
                   1034: fi
                   1035: AC_SUBST(PREFORTH)
1.293     pazsan   1036: AC_SUBST(GFORTHKER)
1.292     pazsan   1037: AC_SUBST(kernel_anti_dependence)
                   1038: AC_MSG_RESULT($PREFORTH)
                   1039: 
1.76      anton    1040: #this breaks bindists
                   1041: #dnl replace srource directory by absolute value
                   1042: #if test $srcdir = "."; then srcdir=`pwd` 
                   1043: #fi
1.8       anton    1044: 
1.34      anton    1045: AC_SUBST(machine)
1.95      anton    1046: AC_CONFIG_FILES([
1.31      anton    1047: Makefile
1.45      pazsan   1048: Makedist
1.43      anton    1049: gforthmi
1.80      anton    1050: vmgen
1.79      pazsan   1051: machpc.fs
1.159     pazsan   1052: envos.fs
1.223     anton    1053: preforth
1.303     pazsan   1054: libforth
1.293     pazsan   1055: gforthker
1.35      anton    1056: engine/Makefile
1.188     anton    1057: engine/libcc.h
1.161     pazsan   1058: doc/version.texi
                   1059: build-ec ])
1.95      anton    1060: AC_CONFIG_COMMANDS([stamp-h],[[echo timestamp > stamp-h
1.43      anton    1061: chmod +x gforthmi
1.80      anton    1062: chmod +x vmgen
1.162     pazsan   1063: chmod +x build-ec
1.223     anton    1064: chmod +x preforth
1.303     pazsan   1065: chmod +x libforth
1.293     pazsan   1066: chmod +x gforthker
1.188     anton    1067: test -d kernel||mkdir kernel
1.258     anton    1068: if test $srcdir != "."; then ln -sf $srcdir/gforth.el .; fi
1.310   ! pazsan   1069: $srcdir/mkinstalldirs include/gforth$ARCH/$PACKAGE_VERSION
1.262     anton    1070: $srcdir/mkinstalldirs arch/$machine
1.310   ! pazsan   1071: ln -sf ../../../engine/config.h ../../../engine/libcc.h include/gforth$ARCH/$PACKAGE_VERSION]],
1.262     anton    1072: [PACKAGE_VERSION=$PACKAGE_VERSION
1.310   ! pazsan   1073:  machine=$machine
        !          1074:  ARCH=$ARCH])
1.95      anton    1075: AC_OUTPUT

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