Annotation of gforth/configure.in, revision 1.301

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
1.299     pazsan     23: AC_INIT([gforth],[0.7.9-20120317],[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!
1.299     pazsan     28: UPDATED="March 17, 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: 
1.104     anton     130: #variables mentioned in INSTALL
1.203     anton     131: AC_ARG_VAR(CC, [The C compiler (must support GNU C 2.x).])
1.104     anton     132: AC_ARG_VAR(FORTHSIZES, [Gforth command line options for the default stack and dictionary sizes (see INSTALL).])
1.203     anton     133: 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     134: 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     135: 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     136: AC_ARG_VAR(LIBCC_BUILD_SRC, [(Additional) libcc interface source files that should be processed on building and installation (default none)])
1.173     anton     137: 
1.104     anton     138: AC_ARG_VAR(ac_cv_sizeof_char_p, [sizeof(char *)])
1.183     pazsan    139: AC_ARG_VAR(ac_cv_sizeof_void_p, [sizeof(void *)])
1.104     anton     140: AC_ARG_VAR(ac_cv_sizeof_char, [sizeof(char)])
                    141: AC_ARG_VAR(ac_cv_sizeof_short, [sizeof(short)])
                    142: AC_ARG_VAR(ac_cv_sizeof_int, [sizeof(int)])
                    143: AC_ARG_VAR(ac_cv_sizeof_long, [sizeof(long)])
                    144: AC_ARG_VAR(ac_cv_sizeof_long_long, [sizeof(long long)])
                    145: AC_ARG_VAR(ac_cv_sizeof_intptr_t, [sizeof(intptr_t)])
1.254     anton     146: AC_ARG_VAR(ac_cv_sizeof_int128_t, [sizeof(int128_t)])
                    147: AC_ARG_VAR(ac_cv_sizeof_uint128_t, [sizeof(uint128_t)])
1.123     anton     148: AC_ARG_VAR(ac_cv_c_bigendian, [Is the target big-endian ("yes" or "no")?])
                    149: AC_ARG_VAR(no_dynamic_default, [run gforth with --dynamic (0) or --no-dynamic (1) by default])
1.190     anton     150: AC_ARG_VAR(condbranch_opt, [enable (1) or disable (0) using two dispatches for conditional branches])
1.166     anton     151: AC_ARG_VAR(skipcode, [assembly code for skipping 16 bytes of code])
1.174     anton     152: AC_ARG_VAR(asmcomment, [assembler comment start string])
1.175     anton     153: AC_ARG_VAR(arm_cacheflush, [file containing ARM cacheflush function (without .c)])
1.250     anton     154: AC_ARG_VAR(LTDL_LIBRARY_PATH, [additional directories for libltdl (for some 64-bit platforms)])
1.82      anton     155: 
1.96      anton     156: #set up feature test macros, so the tests get them right:
                    157: # turn on all POSIX, SUSv3, and GNU features if available
1.97      anton     158: AC_GNU_SOURCE
                    159: dnl AC_DEFINE_UNQUOTED([_GNU_SOURCE],1,[feature test macro])
                    160: 
                    161: dnl Don't define _POSIX_SOURCE etc. because some OSs (in particular
                    162: dnl MacOSX) disable some features then (MacOSX checks for _POSIX_SOURCE,
                    163: dnl but not for _XOPEN_SOURCE)
                    164: dnl AC_DEFINE_UNQUOTED([_POSIX_SOURCE],1,[feature test macro])
                    165: dnl AC_DEFINE_UNQUOTED([_POSIX_C_SOURCE],199506L,[feature test macro])
                    166: dnl AC_DEFINE_UNQUOTED([_XOPEN_SOURCE],600,[feature test macro])
1.96      anton     167: # turn on large file support with 64-bit off_t where available
1.105     anton     168: AC_SYS_LARGEFILE
                    169: dnl AC_DEFINE_UNQUOTED([_LARGEFILE_SOURCE],1,[feature test macro])
                    170: dnl AC_DEFINE_UNQUOTED([_FILE_OFFSET_BITS],64,[feature test macro])
1.96      anton     171: 
1.82      anton     172: #currently we force direct threading this way.  Eventually we should
                    173: #setup in the arch and engine files right
1.16      anton     174: 
1.15      pazsan    175: AC_PROG_CC
                    176: 
1.92      anton     177: test "$GCC" = "yes" || AC_MSG_ERROR(Gforth uses GNU C extensions and requires GCC 2.0 or higher)
1.9       pazsan    178: 
1.190     anton     179: AC_MSG_CHECKING([whether to use two dispatches per conditional branch])
                    180: test x$condbranch_opt = x && 
1.238     anton     181: if ($CC -v 2>&1 |grep 'gcc version 3' >/dev/null); then
1.190     anton     182:    condbranch_opt=0
                    183: else
                    184:    condbranch_opt=1
                    185: fi
                    186: AC_MSG_RESULT($condbranch_opt)
                    187: AC_SUBST(condbranch_opt)
1.301   ! pazsan    188: AC_SUBST(host_cpu)
1.190     anton     189: 
1.15      pazsan    190: AC_SUBST(CC)
1.183     pazsan    191: AC_SUBST(GCC_LD)
1.9       pazsan    192: AC_SUBST(DEBUGFLAG)
1.178     pazsan    193: AC_SUBST(EC)
1.275     pazsan    194: AC_SUBST(NO_EC)
1.291     pazsan    195: AC_SUBST(NO_CROSS)
1.167     pazsan    196: AC_SUBST(EC_MODE)
1.178     pazsan    197: AC_SUBST(engine2)
                    198: AC_SUBST(engine_fast2)
                    199: AC_SUBST(no_dynamic)
                    200: AC_SUBST(image_i)
1.179     pazsan    201: AC_SUBST(signals_o)
1.7       anton     202: 
1.174     anton     203: #this is used to disable some (not generally essential) part of the
                    204: #Makefile that some makes don't grok.  It would be better to test for
                    205: #this specific Makefile feature than the make version.
1.128     pazsan    206: AC_MSG_CHECKING(make type)
1.174     anton     207: make_type=`make -n -v 2>&1|grep 'ake'|sed 's/ake .*/ake/'`
1.128     pazsan    208: GNUMAKE='#'
                    209: test "$make_type" = "GNU Make" && GNUMAKE=''
                    210: AC_MSG_RESULT($make_type)
                    211: AC_SUBST(GNUMAKE)
                    212: 
1.50      jwilke    213: AC_MSG_CHECKING([whether the linker accepts -export-dynamic])
                    214: OLDLDFLAGS=$LDFLAGS
                    215: LDFLAGS="$LDFLAGS -export-dynamic"
1.69      anton     216: dnl AC_TRY_LINK gives false positive on rs6000-ibm-aix4.2.1.0
                    217: dnl AC_TRY_LINK(,,ac_export_dynamic=yes,ac_export_dynamic=no)
                    218: AC_TRY_RUN(main(){exit(0);},ac_export_dynamic=yes,ac_export_dynamic=no,ac_export_dynamic=no)
1.50      jwilke    219: test $ac_export_dynamic = yes|| LDFLAGS=$OLDLDFLAGS
                    220: AC_MSG_RESULT($ac_export_dynamic)
                    221: 
1.1       anton     222: #terminology is a bit unusual here: The host is the system on which
                    223: #gforth will run; the system on which configure will run is the `build'
                    224: case "$host_cpu" in
1.136     anton     225:        arm*)
                    226:                machine=arm
                    227:                CFLAGS="$CFLAGS -fomit-frame-pointer"
1.184     pazsan    228:                if test x$platform = xnxt; then
1.183     pazsan    229:                   CFLAGS="$CFLAGS -mthumb -mthumb-interwork"
                    230:                fi
1.175     anton     231:                if test -z $arm_cacheflush; then
1.212     dvdkhlng  232:                   case "$host_os" in
                    233:                     *linux*)
1.260     anton     234:                        AC_LIBOBJ(../arch/arm/cacheflush-linux) 
1.212     dvdkhlng  235:                        ;;
                    236:                     *)   
                    237:                        no_dynamic_default=1
1.260     anton     238:                        AC_LIBOBJ(../arch/arm/cacheflush0)
1.212     dvdkhlng  239:                        AC_MSG_WARN([No I-cache flush code known, disabling dynamic native code generation])
                    240:                        ;;
                    241:                    esac
1.260     anton     242:                 else
                    243:                    AC_LIBOBJ(../$arm_cacheflush)
                    244:                    test $srcdir = . || AC_MSG_WARN([setting arm_cacheflush requires building in the source directory])
1.136     anton     245:                fi
1.177     anton     246:                 #longer skipcodes lead to problems on ARM, and it uses
                    247:                 #only 4-byte alignment anyway
                    248:                test "$skipcode" || skipcode="nop"
1.136     anton     249:                ;;
1.1       anton     250:        hppa*)
1.34      anton     251:                machine=hppa
1.87      pazsan    252:                AC_LIBOBJ(../arch/hppa/cache)
1.134     anton     253:                #-N needed for --dynamic <M4U3b.3790$9d.317@news.cpqcorp.net>
                    254:                LDFLAGS="$LDFLAGS -Xlinker -N"
1.47      anton     255:                LIBS="$LIBS -L/lib/pa1.1/"
1.1       anton     256:                ;;
                    257:        sparc*)
1.34      anton     258:                machine=sparc
1.1       anton     259:                ;;
1.31      anton     260:        i386)
1.34      anton     261:                machine=386
1.189     anton     262:                CFLAGS="$CFLAGS -fomit-frame-pointer -fforce-addr"
1.31      anton     263:                ;;
                    264:        i486)
1.34      anton     265:                machine=386
1.282     dvdkhlng  266:                CFLAGS="$CFLAGS -fomit-frame-pointer -fforce-addr"
                    267:                CFLAGS_1="$CFLAGS"
                    268:                CFLAGS="$CFLAGS -march=i486"
                    269:                AC_TRY_COMPILE(,,,CFLAGS="$CFLAGS_1 -m486")
                    270:                AC_TRY_COMPILE(,,,CFLAGS="$CFLAGS_1")
1.31      anton     271:                ;;
1.77      anton     272:        i*86)
1.34      anton     273:                machine=386
1.189     anton     274:                CFLAGS="$CFLAGS -fomit-frame-pointer -fforce-addr"
1.56      pazsan    275:                CFLAGS_1="$CFLAGS"
1.282     dvdkhlng  276:                CFLAGS="$CFLAGS -march=pentium -mtune=generic"
                    277:                AC_TRY_COMPILE(,,,CFLAGS="$CFLAGS_1 -march=pentium")
1.56      pazsan    278:                AC_TRY_COMPILE(,,,CFLAGS="$CFLAGS_1 -m486")
1.282     dvdkhlng  279:                AC_TRY_COMPILE(,,,CFLAGS="$CFLAGS_1")
1.1       anton     280:                ;;
1.133     anton     281:        x86_64)
1.192     pazsan    282:                case $CC
                    283:                in
                    284:                    *-m32*)
                    285:                        machine=386
                    286:                        CFLAGS="$CFLAGS -fomit-frame-pointer -fforce-addr"
                    287:                        CFLAGS_1="$CFLAGS"
                    288:                        CFLAGS="$CFLAGS -march=athlon64"
                    289:                        ;;
                    290:                    *)
                    291:                        machine=amd64
                    292:                        ;;
                    293:                esac
1.133     anton     294:                ;;
1.136     anton     295:        ia64*)
                    296:                machine=ia64
                    297:                AC_LIBOBJ(../arch/ia64/flush_icache_block)
                    298:                test "$skipcode" || skipcode="nop.i 0"
                    299:                #".skip 16" passes the test below,
                    300:                # but gives an assembler error in engine
                    301:                ;;
1.26      pazsan    302:         m68k)
1.34      anton     303:                machine=m68k
1.32      pazsan    304:                CFLAGS="$CFLAGS -fomit-frame-pointer"
                    305:                if test "$host_os" = "nextstep3"
                    306:                then
1.87      pazsan    307:                        AC_LIBOBJ(termios)
1.32      pazsan    308:                fi
1.26      pazsan    309:                ;;
1.1       anton     310:        mips*)
1.34      anton     311:                machine=mips
1.281     dvdkhlng  312:                AC_LIBOBJ(../arch/mips/check_prim) 
1.92      anton     313:                #dynamic native code has the following problems on MIPS:
                    314:                #
                    315:                #1) J/JAL seems relocatable, but is are only
                    316:                #relocatable within a 256MB-segment.  While we try to
                    317:                #get the linker to arrange this, there is no guarantee
                    318:                #that this will succeed (and if the user uses a lot of
                    319:                #memory, it is likely to fail).
                    320:                #
                    321:                #2) The way we generate dynamic native code may
                    322:                #violate MIPS architectural restrictions (in
                    323:                #particular, the delay slots of LW, MFLO, etc.)
                    324:                #
                    325:                #Therefore we disable dynamic native code by default:
1.255     anton     326:                if test -z "$no_dynamic_default"; then
1.136     anton     327:                    no_dynamic_default=1
                    328:                    AC_MSG_WARN([Disabling default dynamic native code generation (relocation and delay slot issues)])
                    329:                fi
1.1       anton     330:                ;;
1.9       pazsan    331:        alpha*)
1.34      anton     332:                machine=alpha
1.58      anton     333:                #full IEEE FP support for more uniformity across platforms:
                    334:                CFLAGS="$CFLAGS -mieee"
1.9       pazsan    335:                ;;
1.69      anton     336:        power*|rs6000)
1.34      anton     337:                machine=power
1.138     anton     338:                AC_CHECK_FUNC(_sync_cache_range,[true],[AC_LIBOBJ(../arch/power/_sync_cache_range)])
1.103     anton     339:                #long long is broken on (at least) gcc-2.95.* for PPC
1.165     anton     340:                test x$ac_cv_sizeof_long_long = x && 
1.238     anton     341:                ($CC -v 2>&1 |grep 'gcc version 2.95' >/dev/null) &&
1.263     anton     342:                      ac_cv_sizeof_long_long=0
1.203     anton     343:                 #The only architecture with enough callee-saved registers
                    344:                 test x$STACK_CACHE_REGS = x && STACK_CACHE_REGS=3
                    345:                 #or use 2, hardly slower at run-time and starts up faster
1.263     anton     346: 
                    347:                 #the skipcode that is normally selected below does not
                    348:                 #work with gcc-3.[34]
                    349:                test "$skipcode" || skipcode="nop\nnop\nnop\nnop"
1.31      anton     350:                ;;
1.1       anton     351:        *)
1.92      anton     352:                AC_MSG_WARN([Using a generic machine description])
                    353:                AC_MSG_WARN([Assuming C floats and doubles are IEEE floats and doubles (for SF@ DF@ SF! DF!)])
                    354:                AC_MSG_WARN([FLUSH-ICACHE will do nothing, so END-CODE may not work properly!])
1.34      anton     355:                machine=generic
1.97      anton     356:                #I-cache flushing would be needed for dynamic code generation
1.136     anton     357:                if test -z $no_dynamic_default; then
                    358:                    no_dynamic_default=1
                    359:                    AC_MSG_WARN([No I-cache flush code known, disabling dynamic native code generation])
                    360:                fi
1.1       anton     361: esac
1.10      anton     362: AC_SUBST(host)
1.151     anton     363: 
1.184     pazsan    364: MAKEINC=""
1.276     pazsan    365: GFORTH_EXE="true"
1.184     pazsan    366: 
                    367: echo "Check for arch/$machine/$platform/gforth.ld ($EC_MODE)"
1.183     pazsan    368: if test x$EC_MODE = xtrue
                    369: then
1.184     pazsan    370:        echo "Check for arch/$machine/$platform/gforth.ld"
                    371:        if test -f arch/$machine/$platform/gforth.ld
1.183     pazsan    372:        then
1.184     pazsan    373:                LDFLAGS="-T ../arch/$machine/$platform/gforth.ld -Map \$@.map -cref --gc-sections $LDFLAGS"
                    374:                if test x$platform = xnxt; then
1.183     pazsan    375:                        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 $LIBS"
                    376:                fi
                    377:        fi
1.184     pazsan    378:        if test -f arch/$machine/$platform/make.inc
                    379:        then
                    380:                MAKEINC="include ../arch/$machine/$platform/make.inc"
1.276     pazsan    381:                GFORTH_EXE="\$(MAKE) -f arch/$machine/$platform/make.inc \$@.exe"
1.184     pazsan    382:        fi
1.183     pazsan    383: fi
1.184     pazsan    384: AC_SUBST(MAKEINC)
1.183     pazsan    385: 
1.203     anton     386: AC_ARG_VAR(STACK_CACHE_REGS, [number of registers in the maximum stack cache state for gforth-fast and gforth-native (default platform-dependent).])
                    387: 
                    388: test x$STACK_CACHE_REGS = x && STACK_CACHE_REGS=1
                    389: AC_DEFINE_UNQUOTED(STACK_CACHE_REGS, $STACK_CACHE_REGS,
                    390:                   [number of registers in the maximum stack cache state for gforth-fast and gforth-native])
1.151     anton     391: test x$STACK_CACHE_DEFAULT_FAST = x && STACK_CACHE_DEFAULT_FAST=1
                    392: AC_DEFINE_UNQUOTED(STACK_CACHE_DEFAULT_FAST, $STACK_CACHE_DEFAULT_FAST,
                    393:                   [number of registers in the default stack cache state for gforth-fast and gforth-native])
1.146     pazsan    394: 
1.173     anton     395: test x$GCC_PR15242_WORKAROUND = x ||
                    396: AC_DEFINE_UNQUOTED(GCC_PR15242_WORKAROUND, $GCC_PR15242_WORKAROUND,
                    397:                    [force (1) or forbid (0) use of a workaround for a gcc performance bug])
                    398: 
1.103     anton     399: dnl the following macro produces a warning with autoconf-2.1
                    400: AC_CHECK_SIZEOF(char *)
                    401: case "$ac_cv_sizeof_char_p" in
                    402:   2)
                    403:     wordsize=16
                    404:     ;;
                    405:   4)
                    406:     wordsize=32
                    407:     ;;
                    408:   8)
                    409:     wordsize=64
                    410:     ;;
                    411: esac
                    412: 
1.183     pazsan    413: AC_CHECK_SIZEOF(void *)
                    414: case "$ac_cv_sizeof_void_p" in
                    415:   2)
                    416:     vwordsize=16
                    417:     ;;
                    418:   4)
                    419:     vwordsize=32
                    420:     ;;
                    421:   8)
                    422:     vwordsize=64
                    423:     ;;
                    424: esac
                    425: 
1.103     anton     426: AC_CHECK_SIZEOF(char)
                    427: AC_CHECK_SIZEOF(short)
                    428: AC_CHECK_SIZEOF(int)
                    429: AC_CHECK_SIZEOF(long)
                    430: AC_CHECK_SIZEOF(long long)
                    431: AC_CHECK_SIZEOF(intptr_t)
                    432: AC_CHECK_SIZEOF(int128_t)
1.144     pazsan    433: AC_CHECK_SIZEOF(uint128_t)
1.103     anton     434: 
                    435: AC_MSG_CHECKING([for a C type for cells])
                    436: ac_cv_int_type_cell=none
                    437: case "$ac_cv_sizeof_char_p" in
                    438:   $ac_cv_sizeof_int)
                    439:     ac_cv_int_type_cell=int
                    440:     ;;
                    441:   $ac_cv_sizeof_short)
                    442:     ac_cv_int_type_cell=short
                    443:     ;;
                    444:   $ac_cv_sizeof_char)
                    445:     ac_cv_int_type_cell=char
                    446:     ;;
                    447:   $ac_cv_sizeof_long)
                    448:     ac_cv_int_type_cell=long
                    449:     ;;
                    450:   $ac_cv_sizeof_long_long)
                    451:     ac_cv_int_type_cell="long long"
                    452:     ;;
                    453:   $ac_cv_sizeof_intptr_t)
                    454:     ac_cv_int_type_cell="intptr_t"
                    455:     ;;
                    456: esac
                    457: AC_MSG_RESULT($ac_cv_int_type_cell)
                    458: AC_DEFINE_UNQUOTED(CELL_TYPE,$ac_cv_int_type_cell,[an integer type that is as long as a pointer])
                    459: 
1.153     pazsan    460: AC_MSG_CHECKING([for a C type for wydes])
                    461: ac_cv_wyde_type_cell=none
                    462: case 2 in
                    463:   $ac_cv_sizeof_int)
                    464:     ac_cv_wyde_type_cell=int
                    465:     ;;
                    466:   $ac_cv_sizeof_short)
                    467:     ac_cv_wyde_type_cell=short
                    468:     ;;
                    469:   $ac_cv_sizeof_char)
                    470:     ac_cv_wyde_type_cell=char
                    471:     ;;
                    472:   $ac_cv_sizeof_long)
                    473:     ac_cv_wyde_type_cell=long
                    474:     ;;
                    475:   $ac_cv_sizeof_long_long)
                    476:     ac_cv_wyde_type_cell="long long"
                    477:     ;;
                    478:   $ac_cv_sizeof_intptr_t)
                    479:     ac_cv_wyde_type_cell="intptr_t"
                    480:     ;;
                    481: esac
                    482: AC_MSG_RESULT($ac_cv_wyde_type_cell)
                    483: AC_DEFINE_UNQUOTED(WYDE_TYPE,$ac_cv_wyde_type_cell,[an integer type that is 2 bytes long])
                    484: 
                    485: AC_MSG_CHECKING([for a C type for tetrabytes])
                    486: ac_cv_tetrabyte_type_cell=none
                    487: case 4 in
                    488:   $ac_cv_sizeof_int)
                    489:     ac_cv_tetrabyte_type_cell=int
                    490:     ;;
                    491:   $ac_cv_sizeof_short)
                    492:     ac_cv_tetrabyte_type_cell=short
                    493:     ;;
                    494:   $ac_cv_sizeof_char)
                    495:     ac_cv_tetrabyte_type_cell=char
                    496:     ;;
                    497:   $ac_cv_sizeof_long)
                    498:     ac_cv_tetrabyte_type_cell=long
                    499:     ;;
                    500:   $ac_cv_sizeof_long_long)
                    501:     ac_cv_tetrabyte_type_cell="long long"
                    502:     ;;
                    503:   $ac_cv_sizeof_intptr_t)
                    504:     ac_cv_tetrabyte_type_cell="intptr_t"
                    505:     ;;
                    506: esac
                    507: AC_MSG_RESULT($ac_cv_tetrabyte_type_cell)
                    508: AC_DEFINE_UNQUOTED(TETRABYTE_TYPE,$ac_cv_tetrabyte_type_cell,[an integer type that is 4 bytes long])
                    509: 
1.277     pazsan    510: AC_MSG_CHECKING([for a C type for octabytes])
                    511: ac_cv_octabyte_type_cell=none
                    512: case 8 in
                    513:   $ac_cv_sizeof_int)
                    514:     ac_cv_octabyte_type_cell=int
                    515:     ;;
                    516:   $ac_cv_sizeof_short)
                    517:     ac_cv_octabyte_type_cell=short
                    518:     ;;
                    519:   $ac_cv_sizeof_char)
                    520:     ac_cv_octabyte_type_cell=char
                    521:     ;;
                    522:   $ac_cv_sizeof_long)
                    523:     ac_cv_octabyte_type_cell=long
                    524:     ;;
                    525:   $ac_cv_sizeof_long_long)
                    526:     ac_cv_octabyte_type_cell="long long"
                    527:     ;;
                    528:   $ac_cv_sizeof_intptr_t)
                    529:     ac_cv_octabyte_type_cell="intptr_t"
                    530:     ;;
                    531: esac
                    532: AC_MSG_RESULT($ac_cv_octabyte_type_cell)
                    533: AC_DEFINE_UNQUOTED(OCTABYTE_TYPE,$ac_cv_octabyte_type_cell,[an integer type that is 8 bytes long])
                    534: 
1.103     anton     535: AC_MSG_CHECKING([for a C type for double-cells])
                    536: ac_cv_int_type_double_cell=none
                    537: case `expr 2 '*' "$ac_cv_sizeof_char_p"` in
                    538:   $ac_cv_sizeof_short)
                    539:     ac_cv_int_type_double_cell=short
                    540:     ;;
                    541:   $ac_cv_sizeof_int)
                    542:     ac_cv_int_type_double_cell=int
                    543:     ;;
                    544:   $ac_cv_sizeof_long)
                    545:     ac_cv_int_type_double_cell=long
                    546:     ;;
                    547:   $ac_cv_sizeof_long_long)
                    548:     ac_cv_int_type_double_cell="long long"
                    549:     ;;
                    550:   $ac_cv_sizeof_intptr_t)
                    551:     ac_cv_int_type_double_cell="intptr_t"
                    552:     ;;
1.205     anton     553:   $ac_cv_sizeof_int128_t)
1.103     anton     554:     ac_cv_int_type_double_cell="int128_t"
                    555:     ;;
                    556: esac
                    557: AC_MSG_RESULT($ac_cv_int_type_double_cell)
1.144     pazsan    558: 
                    559: AC_MSG_CHECKING([for a C type for unsigned double-cells])
                    560: ac_cv_int_type_double_ucell=none
                    561: case `expr 2 '*' "$ac_cv_sizeof_char_p"` in
                    562:   $ac_cv_sizeof_short)
                    563:     ac_cv_int_type_double_ucell="unsigned short"
                    564:     ;;
                    565:   $ac_cv_sizeof_int)
                    566:     ac_cv_int_type_double_ucell="unsigned int"
                    567:     ;;
                    568:   $ac_cv_sizeof_long)
                    569:     ac_cv_int_type_double_ucell="unsigned long"
                    570:     ;;
                    571:   $ac_cv_sizeof_long_long)
                    572:     ac_cv_int_type_double_ucell="unsigned long long"
                    573:     ;;
                    574:   $ac_cv_sizeof_intptr_t)
                    575:     ac_cv_int_type_double_ucell="unsigned intptr_t"
                    576:     ;;
                    577:   $ac_cv_sizeof_uint128_t)
                    578:     ac_cv_int_type_double_ucell="uint128_t"
                    579:     ;;
                    580: esac
                    581: AC_MSG_RESULT($ac_cv_int_type_double_ucell)
                    582: 
1.204     anton     583: if test "$ac_cv_int_type_double_cell" != none && \
                    584:    test "$ac_cv_int_type_double_ucell" != none
1.144     pazsan    585: then
1.103     anton     586:        AC_DEFINE_UNQUOTED(DOUBLE_CELL_TYPE,$ac_cv_int_type_double_cell,[an integer type that is twice as long as a pointer])
1.144     pazsan    587:        AC_DEFINE_UNQUOTED(DOUBLE_UCELL_TYPE,$ac_cv_int_type_double_ucell,[an unsigned integer type that is twice as long as a pointer])
1.206     anton     588:         OPTS=-ll
                    589: else
1.217     pazsan    590:         if test "$ac_cv_sizeof_char_p" = 8; then
1.213     anton     591:            OPTS="-ll -noll"
1.206     anton     592:         else
                    593:            OPTS=-noll
                    594:         fi
1.103     anton     595: fi
1.207     anton     596: 
1.258     anton     597: if grep FORCE_REG $srcdir/arch/$machine/machine.h >/dev/null; then
1.227     pazsan    598:    OPTS2=''
                    599:    for i in $OPTS; do OPTS2="$OPTS2 $i-reg"; done
                    600:    OPTS="$OPTS2 $OPTS"
1.223     anton     601: else
                    602:   AC_DEFINE_UNQUOTED(FORCE_REG_UNNECESSARY,,[defined if the platform does not need FORCE_REG])
1.207     anton     603: fi
1.206     anton     604: AC_SUBST(OPTS)
1.103     anton     605: 
                    606: AC_TYPE_OFF_T
                    607: AC_CHECK_SIZEOF(off_t)
                    608: test $ac_cv_sizeof_off_t -gt $ac_cv_sizeof_char_p
                    609: ac_small_off_t=$?
                    610: AC_DEFINE_UNQUOTED(SMALL_OFF_T,$ac_small_off_t,[1 if off_t fits in a Cell])
1.1       anton     611: 
1.109     anton     612: ENGINE_FLAGS=
                    613: AC_SUBST(ENGINE_FLAGS)
                    614: 
                    615: # Try if GCC understands -fno-gcse
                    616: 
                    617: AC_MSG_CHECKING([if $CC understands -fno-gcse])
                    618: CFLAGS_1="$CFLAGS"
                    619: CFLAGS="$CFLAGS -fno-gcse"
                    620: AC_TRY_COMPILE(,,ac_nogcse=yes;ENGINE_FLAGS="$ENGINE_FLAGS -fno-gcse",ac_nogcse=no)
                    621: CFLAGS="$CFLAGS_1"
                    622: AC_MSG_RESULT($ac_nogcse)
                    623: 
                    624: # Try if GCC understands -fno-strict-aliasing
                    625: AC_MSG_CHECKING([if $CC understands -fno-strict-aliasing])
                    626: CFLAGS_1="$CFLAGS"
                    627: CFLAGS="$CFLAGS -fno-strict-aliasing"
                    628: AC_TRY_COMPILE(,,ac_nostrictaliasing=yes;ENGINE_FLAGS="$ENGINE_FLAGS -fno-strict-aliasing",ac_nostrictaliasing=no)
                    629: CFLAGS="$CFLAGS_1"
                    630: AC_MSG_RESULT($ac_nostrictaliasing)
                    631: 
1.123     anton     632: # Try if GCC understands -fno-crossjumping
                    633: AC_MSG_CHECKING([if $CC understands -fno-crossjumping])
1.88      pazsan    634: CFLAGS_1="$CFLAGS"
1.123     anton     635: CFLAGS="$CFLAGS -fno-crossjumping"
1.125     anton     636: AC_TRY_COMPILE(,,ac_nocrossjumping=yes;ENGINE_FLAGS="$ENGINE_FLAGS -fno-crossjumping",ac_nocrossjumping=no)
1.109     anton     637: CFLAGS="$CFLAGS_1"
1.124     pazsan    638: AC_MSG_RESULT($ac_nocrossjumping)
1.88      pazsan    639: 
1.137     pazsan    640: # Try if GCC understands -fno-reorder-blocks
                    641: AC_MSG_CHECKING([if $CC understands -fno-reorder-blocks])
                    642: CFLAGS_1="$CFLAGS"
                    643: CFLAGS="$CFLAGS -fno-reorder-blocks"
                    644: AC_TRY_COMPILE(,,ac_noreorder_blocks=yes;ENGINE_FLAGS="$ENGINE_FLAGS -fno-reorder-blocks",ac_noreorder_blocks=no)
                    645: CFLAGS="$CFLAGS_1"
                    646: AC_MSG_RESULT($ac_noreorder_blocks)
                    647: 
1.189     anton     648: # Try if GCC understands -falign-labels=1
                    649: AC_MSG_CHECKING([if $CC understands -falign-labels=1])
                    650: CFLAGS_1="$CFLAGS"
                    651: CFLAGS="$CFLAGS -falign-labels=1"
1.194     anton     652: AC_TRY_COMPILE(,,ac_align_labels=yes;ENGINE_FLAGS="$ENGINE_FLAGS -falign-labels=1",ac_align_labels=no)
1.189     anton     653: CFLAGS="$CFLAGS_1"
                    654: AC_MSG_RESULT($ac_align_labels)
                    655: 
1.193     anton     656: # Try if GCC understands -falign-loops=1
                    657: AC_MSG_CHECKING([if $CC understands -falign-loops=1])
                    658: CFLAGS_1="$CFLAGS"
                    659: CFLAGS="$CFLAGS -falign-loops=1"
1.194     anton     660: AC_TRY_COMPILE(,,ac_align_loops=yes;ENGINE_FLAGS="$ENGINE_FLAGS -falign-loops=1",ac_align_loops=no)
1.193     anton     661: CFLAGS="$CFLAGS_1"
                    662: AC_MSG_RESULT($ac_align_loops)
                    663: 
                    664: # Try if GCC understands -falign-jumps=1
                    665: AC_MSG_CHECKING([if $CC understands -falign-jumps=1])
                    666: CFLAGS_1="$CFLAGS"
                    667: CFLAGS="$CFLAGS -falign-jumps=1"
1.194     anton     668: AC_TRY_COMPILE(,,ac_align_jumps=yes;ENGINE_FLAGS="$ENGINE_FLAGS -falign-jumps=1",ac_align_jumps=no)
1.193     anton     669: CFLAGS="$CFLAGS_1"
                    670: AC_MSG_RESULT($ac_align_jumps)
                    671: 
1.271     anton     672: if test -z "$LIBTOOL_CC"
                    673: then
                    674:   LIBTOOL_CC="$CC"
                    675:   # Try if GCC understands -Wimplicit-function-declaration
                    676:   AC_MSG_CHECKING([if $CC understands -Wimplicit-function-declaration])
                    677:   CFLAGS_1="$CFLAGS"
                    678:   CFLAGS="$CFLAGS -Wimplicit-function-declaration"
                    679:   AC_TRY_COMPILE(,,LIBTOOL_CC="$CC -Wimplicit-function-declaration",)
                    680:   CFLAGS="$CFLAGS_1"
                    681:   AC_MSG_RESULT($ac_align_jumps)
                    682: fi
                    683: AC_SUBST(LIBTOOL_CC)
                    684: 
                    685: 
                    686: 
1.130     anton     687: # Try if GCC understands __attribute__((unused))
                    688: AC_MSG_CHECKING([how to suppress 'unused variable' warnings])
                    689: AC_TRY_COMPILE(,[int __attribute__((unused)) foo;], MAYBE_UNUSED='__attribute__((unused))',)
                    690: AC_DEFINE_UNQUOTED(MAYBE_UNUSED,$MAYBE_UNUSED,[attribute for possibly unused variables])
                    691: AC_MSG_RESULT($MAYBE_UNUSED)
                    692: 
1.289     anton     693: # Try if GCC understands __thread
                    694: AC_MSG_CHECKING([whether gcc understands '__thread'])
                    695: AC_TRY_COMPILE(,[extern __thread int foo;],PER_THREAD='__thread',)
                    696: AC_DEFINE_UNQUOTED(PER_THREAD,$PER_THREAD,[storage class for thread-local variables])
                    697: AC_MSG_RESULT($PER_THREAD)
                    698: 
1.195     anton     699: #try if m4 understands -s
                    700: AC_MSG_CHECKING([how to invoke m4])
1.196     anton     701: if m4 -s /dev/null >/dev/null 2>&1; then
1.195     anton     702:  M4="m4 -s"
                    703: else
                    704:  M4=m4
                    705: fi
                    706: AC_SUBST(M4)
                    707: AC_MSG_RESULT($M4)
                    708: 
1.215     anton     709: #echo "machine='$machine'"
1.191     anton     710: 
                    711: dnl AC_CHECK_PROG(asm_fs,asm.fs,arch/$machine/asm.fs,,$srcdir/arch/$machine)
1.275     pazsan    712: if test x$EC_MODE = xfalse
                    713: then
1.278     dvdkhlng  714:   AS_IF([test -f $srcdir/arch/$machine/asm.fs],
                    715:         [asm_fs=arch/$machine/asm.fs])
1.275     pazsan    716: fi
1.61      anton     717: AC_SUBST(asm_fs)
                    718: 
1.191     anton     719: dnl AC_CHECK_PROG(disasm_fs,disasm.fs,arch/$machine/disasm.fs,,$srcdir/arch/$machine)
1.275     pazsan    720: if test x$EC_MODE = xfalse
                    721: then
1.278     dvdkhlng  722:   AS_IF([test -f $srcdir/arch/$machine/disasm.fs],
                    723:        [disasm_fs=arch/$machine/disasm.fs])
1.275     pazsan    724: fi
1.61      anton     725: AC_SUBST(disasm_fs)
                    726: 
1.116     anton     727: AC_PATH_PROG(INSTALL_INFO,install-info,[echo '>>>>Please make info dir entry:'],$PATH:/sbin:/usr/sbin:/usr/local/sbin)
1.114     anton     728: 
1.39      pazsan    729: case "$host_os" in
1.157     pazsan    730:        *win32*)
                    731:                # !!!FIXME!!! problems with cygwin and ';' as path separator
1.108     anton     732:                DIRSEP="\\\\"
1.127     anton     733:                PATHSEP=";"
1.142     anton     734:                #we want the builtins of command.com/cmd.exe and its
                    735:                # handling of .com files.
                    736:                #$COMSPEC contains the name of the Windows shell;
                    737:                # the ./ is there, because the bash does not recognize
                    738:                # absolute DOS filenames
                    739:                DEFAULTSYSTEMPREFIX="./$COMSPEC /c "
1.39      pazsan    740:                ;;
1.97      anton     741:        *darwin*)
                    742:                #Darwin uses some funny preprocessor by default; eliminate it:
1.127     anton     743:                AC_MSG_NOTICE([using -no-cpp-precomp on Darwin])
1.120     anton     744:                CFLAGS="$CFLAGS -no-cpp-precomp"
1.98      anton     745:                DIRSEP="/"
1.127     anton     746:                PATHSEP=":"
1.141     anton     747:                DEFAULTSYSTEMPREFIX=""
1.243     anton     748:                 #the following magic value was suggested by
                    749:                 #http://mail.python.org/pipermail/pythonmac-sig/2005-October/015190.html
                    750:                 AC_DEFINE_UNQUOTED(MACOSX_DEPLOYMENT_TARGET,"10.3",[an environment variable value needed by libtool on some MacOS X versions])
1.98      anton     751:                ;;
1.246     pazsan    752:        *linux*)
                    753:                DIRSEP="/"
                    754:                PATHSEP=":"
                    755:                DEFAULTSYSTEMPREFIX=""
1.250     anton     756:                if test -z "$LTDL_LIBRARY_PATH" -a "$wordsize" = 64; then
1.253     pazsan    757:                   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    758:                fi
                    759:                ;;
1.39      pazsan    760:        *)
1.88      pazsan    761:                DIRSEP="/"
1.127     anton     762:                PATHSEP=":"
1.141     anton     763:                DEFAULTSYSTEMPREFIX=""
1.39      pazsan    764:                ;;
                    765: esac
1.88      pazsan    766: AC_SUBST(DIRSEP)
1.89      pazsan    767: AC_DEFINE_UNQUOTED(DIRSEP,'$DIRSEP',[a directory separator character])
1.127     anton     768: AC_SUBST(PATHSEP)
                    769: AC_DEFINE_UNQUOTED(PATHSEP,'$PATHSEP',[a path separator character])
1.141     anton     770: AC_SUBST(DEFAULTSYSTEMPREFIX)
                    771: AC_DEFINE_UNQUOTED(DEFAULTSYSTEMPREFIX,"$DEFAULTSYSTEMPREFIX",[default for environment variable GFORTHSYSTEMPREFIX])
1.250     anton     772: if test -n "$LTDL_LIBRARY_PATH"; then
                    773:    AC_DEFINE_UNQUOTED(LTDL_LIBRARY_PATH,"$LTDL_LIBRARY_PATH",[Define LTDL_LIBRARY_PATH for 64 bit Linux])
                    774: fi                                                                
1.39      pazsan    775: 
1.170     anton     776: #work around SELinux brain damage (from Andrew Haley <12t8f3jakb74g2c@news.supernews.com>)
1.172     anton     777: #This magic incantation  seems to be completely undocumented.
                    778: AC_CHECK_PROG([MASSAGE_EXE],[chcon],[chcon -t unconfined_execmem_exec_t],[true])
1.170     anton     779: 
1.1       anton     780: dnl Now a little support for DOS/DJGCC
1.276     pazsan    781: GFORTHFAST_EXE="$GFORTH_EXE"
                    782: GFORTHITC_EXE="$GFORTH_EXE"
                    783: GFORTHDITC_EXE="$GFORTH_EXE"
1.30      pazsan    784: AC_SUBST(GFORTH_EXE)
1.48      anton     785: AC_SUBST(GFORTHFAST_EXE)
1.83      anton     786: AC_SUBST(GFORTHITC_EXE)
1.30      pazsan    787: AC_SUBST(GFORTHDITC_EXE)
1.27      anton     788: 
                    789: AC_SUBST(FORTHSIZES)
1.24      anton     790: 
1.104     anton     791: dnl if test "$PEEPHOLE" = "yes"
                    792: dnl then
                    793: dnl    PEEPHOLEFLAG="true"
                    794: dnl    AC_DEFINE(HAS_PEEPHOLE,,[Define if you want to use peephole optimization])
                    795: dnl else
                    796: dnl    PEEPHOLEFLAG="false"
                    797: dnl fi
                    798: PEEPHOLEFLAG="true"
1.79      pazsan    799: AC_SUBST(PEEPHOLEFLAG)
                    800: 
1.1       anton     801: dnl copy commands for systems that don't have links
1.29      pazsan    802: AC_SUBST(LINK_KERNL)
                    803: LINK_KERNL=""
1.1       anton     804: 
                    805: #if test $host_os=dos
                    806: #then
                    807: #  echo Configuring for DOS!!!
                    808: #  MAKE_EXE="coff2exe gforth"
1.29      pazsan    809: #  LINK_KERNL='$(CP) kernl32l.fi kernel.fi'
1.1       anton     810: #fi
                    811: 
                    812: dnl the following macro produces a warning with autoconf-2.1
                    813: AC_C_BIGENDIAN
1.23      pazsan    814: AC_SUBST(KERNEL)
1.1       anton     815: dnl ac_cv_c_bigendian is an undocumented variable of autoconf-2.1
1.256     pazsan    816: if test $ac_cv_c_bigendian != no; then
1.1       anton     817:   bytesex=b
1.23      pazsan    818:   KERNEL="kernl16b.fi kernl16l.fi kernl32b.fi kernl32l.fi kernl64b.fi kernl64l.fi"
1.1       anton     819: else
                    820:   bytesex=l
1.23      pazsan    821:   KERNEL="kernl16l.fi kernl16b.fi kernl32l.fi kernl32b.fi kernl64l.fi kernl64b.fi"
1.1       anton     822: fi
                    823: 
1.91      anton     824: #check how to do asm(".skip 16")
1.169     anton     825: #echo "CFLAGS=$CFLAGS"
                    826: #echo "ac_link=$ac_link"
1.92      anton     827: AC_MSG_CHECKING([if and how we can waste code space])
1.279     dvdkhlng  828: if test -z "$skipcode" && test x$cross_compiling = xyes; then
                    829:    # we cannot perform the AC_TRY_RUN check when cross-compiling.  
                    830:    skipcode=no
                    831:    AC_MSG_RESULT([$skipcode, can't run checks since cross-compiling])
                    832: elif test -z "$skipcode"; then
1.148     anton     833:     skipcode=no
                    834:     CFLAGS_1="$CFLAGS"
                    835:     CFLAGS="$CFLAGS $ENGINE_FLAGS"
1.136     anton     836:     for i in ".skip 16" ".block 16" ".org .+16" ".=.+16" ".space 16"
                    837:     do
1.91      anton     838:        AC_TRY_RUN(
1.136     anton     839: [int foo(int,int,int);
1.91      anton     840: main()
                    841: {
1.136     anton     842:   exit(foo(0,0,0)!=16);
1.91      anton     843: }
1.136     anton     844: int foo(int x, int y, int z)
1.91      anton     845: {
1.136     anton     846:   static void *labels[]={&&label1, &&label2};
1.91      anton     847:   if (x) {
1.136     anton     848:     y++; /* workaround for http://gcc.gnu.org/bugzilla/show_bug.cgi?id=12108 */
1.91      anton     849:   label1:
1.148     anton     850:     asm("$i"); /* or ".space 16" or somesuch */
1.136     anton     851:   label2: ;
                    852:   }
                    853:   {
                    854:   if (y) goto *labels[z]; /* workaround for gcc PR12108 */
                    855:   return labels[1]-labels[0];
1.91      anton     856:   }
1.136     anton     857: }]
1.92      anton     858:        ,skipcode=$i; break
                    859:        ,,)
1.136     anton     860:     done
1.148     anton     861:     CFLAGS=$CFLAGS_1
1.136     anton     862: fi
1.92      anton     863: AC_MSG_RESULT($skipcode)
                    864: if test "$skipcode" = no
                    865: then 
1.136     anton     866:     if test -z $no_dynamic_default; then
                    867:        no_dynamic_default=1
                    868:        AC_MSG_WARN(Disabling default dynamic native code generation)
                    869:     fi
1.280     dvdkhlng  870:     AC_DEFINE_UNQUOTED(SKIP16,asm(""),statement for skipping 16 bytes)
1.92      anton     871: else
                    872:     AC_DEFINE_UNQUOTED(SKIP16,asm("$skipcode"),statement for skipping 16 bytes)
                    873: fi
1.91      anton     874: 
1.174     anton     875: AC_MSG_CHECKING([if and how we can do comments in asm statements])
                    876: #the point here is to get asm statements that look different to
                    877: #gcc's "optimizer"
                    878: if test -z "$asmcomment"; then
                    879:     asmcomment=no
                    880:     CFLAGS_1="$CFLAGS"
                    881:     CFLAGS="$CFLAGS $ENGINE_FLAGS"
1.176     anton     882:     for i in '"# "' '"! "' '"; "'; do
1.174     anton     883:        AC_TRY_COMPILE(,[asm($i"fluffystunk");],asmcomment=$i; break,)
                    884:     done
                    885:     CFLAGS=$CFLAGS_1
                    886: fi
                    887: AC_MSG_RESULT($asmcomment)
                    888: if test "$asmcomment" != no
                    889: then 
                    890:     AC_DEFINE_UNQUOTED(ASMCOMMENT,$asmcomment,[assembler comment start string])
                    891: fi
                    892: 
1.136     anton     893: test "$no_dynamic_default" || no_dynamic_default=0
1.92      anton     894: AC_DEFINE_UNQUOTED(NO_DYNAMIC_DEFAULT,$no_dynamic_default,default value for no_dynamic)
1.91      anton     895: 
1.1       anton     896: dnl Checks for programs.
                    897: AC_PROG_LN_S
1.95      anton     898: AC_PROG_INSTALL
1.163     pazsan    899: AC_CHECK_PROGS(TEXI2DVI,texi2dvi4a2ps texi2dvi)
1.1       anton     900: 
1.288     anton     901: dnl check for the presence of Emacs
                    902: AC_CHECK_PROGS(EMACS,emacs xemacs)
                    903: test -n "$EMACS" && gforth_elc=gforth.elc
                    904: AC_SUBST(gforth_elc)
                    905: 
1.198     anton     906: dnl MacOS X has a libtool that does something else
1.264     pazsan    907: AC_CHECK_PROGS(GNU_LIBTOOL,"glibtool --tag=CC" libtool)
1.198     anton     908: 
1.269     anton     909: dnl Checks for library functions
                    910: dnl This check is just for making later checks link with libm.
                    911: dnl using sin here is no good idea since it is built-into gcc and typechecked
                    912: AC_CHECK_LIB(m,asin)
                    913: AC_CHECK_LIB(ltdl,lt_dlinit)
1.295     pazsan    914: AC_CHECK_LIB(rt,clock_gettime)
1.269     anton     915: 
                    916: if test -n "$GNU_LIBTOOL" -a $ac_cv_lib_ltdl_lt_dlinit = yes; then
1.258     anton     917:   build_libcc_named=build-libcc-named
                    918: else
                    919:   build_libcc_named=""
1.274     anton     920:   AC_MSG_WARN([No GNU_LIBTOOL found, skip pre-building libcc-based libraries])
1.258     anton     921: fi
                    922: AC_SUBST(build_libcc_named)
                    923: 
1.274     anton     924: 
                    925: if test -z "$GNU_LIBTOOL"; then
                    926:   AC_MSG_WARN([No GNU_LIBTOOL found, using "libtool" as name.])
                    927:   AC_MSG_WARN([libcc.fs won't work until you have installed (GNU) libtool.])
                    928:   GNU_LIBTOOL=libtool
                    929: fi
                    930: 
1.235     anton     931: #check for libffi 2.x
1.237     anton     932: AC_CHECK_HEADER(ffi.h,FFI_H_NAME=ffi.h,)
                    933: if test -z "$FFI_H_NAME"; then
                    934:   AC_CHECK_HEADER(ffi/ffi.h,FFI_H_NAME=ffi/ffi.h,)
                    935: fi
                    936: AC_SUBST(FFI_H_NAME)
1.286     pazsan    937: AC_CHECK_LIB(ffi,ffi_call,LIBS="$LIBS")
1.241     anton     938: if test -n "$FFI_H_NAME" -a $ac_cv_lib_ffi_ffi_call = yes
1.235     anton     939: then
                    940:   LIBFFIFLAG="true"
1.236     anton     941:   LIBCC_BUILD_SRC="$LIBCC_BUILD_SRC libffi.fs"
1.235     anton     942: else
                    943:   LIBFFIFLAG="false"
                    944: fi
                    945: #check for ffcall libraries
                    946: #unfortunately, these four calls are separated out into a library each.
1.286     pazsan    947: AC_CHECK_LIB(avcall,__builtin_avcall,LIBS="$LIBS")
1.234     pazsan    948: dnl AC_CHECK_LIB(callback,__vacall_r)
                    949: dnl AC_CHECK_LIB(vacall,vacall)
                    950: dnl AC_CHECK_LIB(trampoline,alloc_trampoline)
1.235     anton     951: if test $ac_cv_lib_avcall___builtin_avcall = yes; then
                    952:   FFCALLFLAG="true"
1.236     anton     953:   LIBCC_BUILD_SRC="$LIBCC_BUILD_SRC fflib.fs"
1.235     anton     954: else
                    955:   FFCALLFLAG="false"
                    956: fi
                    957: if test $LIBFFIFLAG = false -a $FFCALLFLAG = false; then
                    958:   AC_MSG_WARN([The (old) lib.fs foreign function interface needs either libffi or the ffcall libraries])
                    959: fi
                    960: AC_SUBST(LIBFFIFLAG)
                    961: AC_SUBST(FFCALLFLAG)
1.236     anton     962: AC_SUBST(LIBCC_BUILD_SRC)
1.32      pazsan    963: if test "$host_os" != "nextstep3"
                    964: then
                    965:        AC_FUNC_MEMCMP
                    966: fi
1.300     pazsan    967: AC_REPLACE_FUNCS(memmove strtoul pow10 sincos strerror strsignal atanh)
1.97      anton     968: AC_FUNC_FSEEKO
1.296     pazsan    969: AC_CHECK_FUNCS(ftello dlopen sys_siglist getrusage nanosleep clock_gettime)
1.111     anton     970: AC_CHECK_TYPES(stack_t,,,[#include <signal.h>])
1.19      anton     971: AC_DECL_SYS_SIGLIST
1.138     anton     972: AC_CHECK_FUNC(getopt_long,[true],[AC_LIBOBJ(getopt) AC_LIBOBJ(getopt1)])
1.90      anton     973: AC_CHECK_FUNCS(expm1 log1p)
                    974: AC_REPLACE_FUNCS(rint ecvt)
1.1       anton     975: dnl No check for select, because our replacement is no good under
                    976: dnl anything but DOS
1.277     pazsan    977: AC_CHECK_HEADERS(sys/mman.h fnmatch.h alloca.h wchar.h endian.h)
1.63      anton     978: AC_FUNC_FNMATCH
1.87      pazsan    979: test $ac_cv_func_fnmatch_works = yes || AC_LIBOBJ(fnmatch)
1.255     anton     980: AC_CHECK_FUNCS(mmap sysconf getpagesize wcwidth)
1.34      anton     981: AM_PATH_LISPDIR
1.1       anton     982: 
1.183     pazsan    983: kernel_fi=kernl${vwordsize}${bytesex}.fi
1.178     pazsan    984: include_fi=kernl${wordsize}${bytesex}${EC}.fi
1.23      pazsan    985: AC_SUBST(kernel_fi)
1.178     pazsan    986: AC_SUBST(include_fi)
1.50      jwilke    987: 
1.292     pazsan    988: # Find installed Gforth
                    989: AC_MSG_CHECKING([for gforth])
                    990: GFORTH="`cd / && which gforth 2>/dev/null`"
                    991: #the "$srcdir" = "." test defends agains the "../" bug in gforth-0.6.2
                    992: (cd / && $GFORTH -e bye >/dev/null 2>/dev/null  && test "$srcdir" = ".") || GFORTH=""
                    993: if test -z "$GFORTH"; then
                    994:   PREFORTH='echo "You need to configure with a gforth in \$PATH to build this part" && false'
1.293     pazsan    995:   GFORTHKER='echo "You need to configure with a gforth in \$PATH to build this part" && false'
1.292     pazsan    996:   kernel_anti_dependence=''
                    997: else
                    998:   GFORTH_FI=`cd / && $GFORTH --debug -e bye 2>&1 |grep "Opened image file: "|sed 's/Opened image file: //'`
                    999:   PREFORTH="$GFORTH -i $GFORTH_FI" ;
1.294     pazsan   1000:   KERNLX_FI1=`echo $GFORTH_FI | sed -e s/lib/share/g -e s/gforth.fi/kernl*.fi/g`
                   1001:   KERNLX_FI2=`echo $GFORTH_FI | sed -e s/gforth.fi/kernl*.fi/g`
                   1002:   test -f $KERNLX_FI1 && KERNLX_FI=$KERNLX_FI1
                   1003:   test -f $KERNLX_FI2 && KERNLX_FI=$KERNLX_FI2
1.293     pazsan   1004:   GFORTHKER="$GFORTH -i `echo $KERNLX_FI`" ;
1.292     pazsan   1005:   kernel_anti_dependence='$(kernel_fi)'
                   1006: fi
                   1007: AC_SUBST(PREFORTH)
1.293     pazsan   1008: AC_SUBST(GFORTHKER)
1.292     pazsan   1009: AC_SUBST(kernel_anti_dependence)
                   1010: AC_MSG_RESULT($PREFORTH)
                   1011: 
1.76      anton    1012: #this breaks bindists
                   1013: #dnl replace srource directory by absolute value
                   1014: #if test $srcdir = "."; then srcdir=`pwd` 
                   1015: #fi
1.8       anton    1016: 
1.34      anton    1017: AC_SUBST(machine)
1.95      anton    1018: AC_CONFIG_FILES([
1.31      anton    1019: Makefile
1.45      pazsan   1020: Makedist
1.43      anton    1021: gforthmi
1.80      anton    1022: vmgen
1.79      pazsan   1023: machpc.fs
1.159     pazsan   1024: envos.fs
1.223     anton    1025: preforth
1.293     pazsan   1026: gforthker
1.35      anton    1027: engine/Makefile
1.188     anton    1028: engine/libcc.h
1.161     pazsan   1029: doc/version.texi
                   1030: build-ec ])
1.95      anton    1031: AC_CONFIG_COMMANDS([stamp-h],[[echo timestamp > stamp-h
1.43      anton    1032: chmod +x gforthmi
1.80      anton    1033: chmod +x vmgen
1.162     pazsan   1034: chmod +x build-ec
1.223     anton    1035: chmod +x preforth
1.293     pazsan   1036: chmod +x gforthker
1.188     anton    1037: test -d kernel||mkdir kernel
1.258     anton    1038: if test $srcdir != "."; then ln -sf $srcdir/gforth.el .; fi
1.188     anton    1039: $srcdir/mkinstalldirs include/gforth/$PACKAGE_VERSION
1.262     anton    1040: $srcdir/mkinstalldirs arch/$machine
                   1041: ln -sf ../../../engine/config.h ../../../engine/libcc.h include/gforth/$PACKAGE_VERSION]],
                   1042: [PACKAGE_VERSION=$PACKAGE_VERSION
                   1043:  machine=$machine])
1.95      anton    1044: AC_OUTPUT

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