gforth/configure.in - view

File: [gforth] / gforth / configure.in
Revision 1.278: download - view: text, annotated - select for diffs
Sun Jul 25 14:33:01 2010 UTC (12 years, 8 months ago) by dvdkhlng
Branches: MAIN
CVS tags: HEAD

cross compilation fix #1: do not use AC_CHECK_FILE() to check for source
files.  AC_CHECK_FILE() checks for any files in the host filesystem and is not
allowed for cross compilation.  autoconf manual recommends using 'test -f' in
that case.

1: dnl Process this file with autoconf to produce a configure script. 2: 3: #Copyright (C) 1995,1996,1997,1998,2000,2003,2004,2005,2006,2007,2008,2009 Free Software Foundation, Inc. 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 9: #as published by the Free Software Foundation, either version 3 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 18: #along with this program. If not, see http://www.gnu.org/licenses/. 19: 20: 21: dnl We use some automake macros here, 22: dnl but don't use automake for creating Makefile.in 23: AC_INIT([gforth],[0.7.0-20100725],[https://savannah.gnu.org/bugs/?func=addbug&group=gforth]) 24: AC_PREREQ(2.54) 25: #snapshots have numbers major.minor.release-YYYYMMDD 26: #note that lexicographic ordering must be heeded. 27: #I.e., 0.4.1-YYYYMMDD must not exist before 0.4.1! 28: UPDATED="November 8, 2008" 29: AC_SUBST(UPDATED) 30: AC_CONFIG_HEADERS(engine/config.h) 31: 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) 40: AC_SUBST(LTDL_LDLIBS) 41: 42: #suppress the "-g -O2" default 43: test "$CFLAGS" || CFLAGS=-O2 44: 45: AC_ARG_ENABLE(force-cdiv, 46: AC_HELP_STRING([--enable-force-cdiv], 47: [ Use the native C division - symmetric - instead of 48: floored division (default disabled).]), 49: ,enable_force_cdiv=no) 50: test "$enable_force_cdiv" = "no"|| 51: AC_DEFINE(FORCE_CDIV,,[Define if you want to use explicit symmetric division for better performance]) 52: 53: AC_SUBST(PROFEXES) 54: AC_SUBST(PROFOBJS) 55: AC_ARG_ENABLE(prof, 56: AC_HELP_STRING([--enable-prof], 57: [ Build gforth-prof, which outputs frequently occuring 58: sequences of primitives.]), 59: ,enable_prof=no) 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' 62: fi 63: 64: AC_ARG_WITH(debug, 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.], 69: if test "$withval" = "yes"; then DEBUGFLAG=-g; fi) 70: 71: GCC_LD="\$(GCC)" 72: EC_MODE="false" 73: NO_EC="" 74: EC="" 75: engine2='engine2$(OPT).o' 76: engine_fast2='engine-fast2$(OPT).o' 77: no_dynamic="" 78: image_i="" 79: signals_o="io.o signals.o" 80: 81: AC_CANONICAL_HOST 82: AC_ARG_WITH(ec, 83: AC_HELP_STRING([--with-ec=<arch>], 84: [ Build gforth for systems without OS.]), 85: [if test "$withval" = "no"; then 86: echo "defining hosted system" 87: else 88: echo "defining standalone system (${withval})" 89: AC_DEFINE(STANDALONE,,[Define if you want a Gforth without OS]) 90: EC_MODE="true" 91: EC="-ec" 92: NO_EC="#" 93: engine2="" 94: engine_fast2="" 95: no_dynamic="-DNO_DYNAMIC" 96: image_i="image.i" 97: if test "$withval" != "yes"; then 98: signals_o="io-${withval}.o" 99: else 100: signals_o="io.o" 101: fi 102: if test -f "arch/$host_cpu/${withval}/config.sh"; then 103: source "arch/$host_cpu/${withval}/config.sh" 104: fi 105: GCC_PATH=$(which $CC) 106: LIB_PATH=${GCC_PATH%/*/*} 107: GCC_LD="\$(LD)" 108: platform=${withval} 109: fi]) 110: 111: #variables mentioned in INSTALL 112: AC_ARG_VAR(CC, [The C compiler (must support GNU C 2.x).]) 113: AC_ARG_VAR(FORTHSIZES, [Gforth command line options for the default stack and dictionary sizes (see INSTALL).]) 114: AC_ARG_VAR(STACK_CACHE_REGS, [number of registers in the maximum stack cache state for gforth-fast and gforth-native (default platform-dependent).]) 115: AC_ARG_VAR(STACK_CACHE_DEFAULT_FAST, [number of registers in the default stack cache state for gforth-fast and gforth-native (default 1).]) 116: 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)]) 117: AC_ARG_VAR(LIBCC_BUILD_SRC, [(Additional) libcc interface source files that should be processed on building and installation (default none)]) 118: 119: AC_ARG_VAR(ac_cv_sizeof_char_p, [sizeof(char *)]) 120: AC_ARG_VAR(ac_cv_sizeof_void_p, [sizeof(void *)]) 121: AC_ARG_VAR(ac_cv_sizeof_char, [sizeof(char)]) 122: AC_ARG_VAR(ac_cv_sizeof_short, [sizeof(short)]) 123: AC_ARG_VAR(ac_cv_sizeof_int, [sizeof(int)]) 124: AC_ARG_VAR(ac_cv_sizeof_long, [sizeof(long)]) 125: AC_ARG_VAR(ac_cv_sizeof_long_long, [sizeof(long long)]) 126: AC_ARG_VAR(ac_cv_sizeof_intptr_t, [sizeof(intptr_t)]) 127: AC_ARG_VAR(ac_cv_sizeof_int128_t, [sizeof(int128_t)]) 128: AC_ARG_VAR(ac_cv_sizeof_uint128_t, [sizeof(uint128_t)]) 129: AC_ARG_VAR(ac_cv_c_bigendian, [Is the target big-endian ("yes" or "no")?]) 130: AC_ARG_VAR(no_dynamic_default, [run gforth with --dynamic (0) or --no-dynamic (1) by default]) 131: AC_ARG_VAR(condbranch_opt, [enable (1) or disable (0) using two dispatches for conditional branches]) 132: AC_ARG_VAR(skipcode, [assembly code for skipping 16 bytes of code]) 133: AC_ARG_VAR(asmcomment, [assembler comment start string]) 134: AC_ARG_VAR(arm_cacheflush, [file containing ARM cacheflush function (without .c)]) 135: AC_ARG_VAR(LTDL_LIBRARY_PATH, [additional directories for libltdl (for some 64-bit platforms)]) 136: 137: #set up feature test macros, so the tests get them right: 138: # turn on all POSIX, SUSv3, and GNU features if available 139: AC_GNU_SOURCE 140: dnl AC_DEFINE_UNQUOTED([_GNU_SOURCE],1,[feature test macro]) 141: 142: dnl Don't define _POSIX_SOURCE etc. because some OSs (in particular 143: dnl MacOSX) disable some features then (MacOSX checks for _POSIX_SOURCE, 144: dnl but not for _XOPEN_SOURCE) 145: dnl AC_DEFINE_UNQUOTED([_POSIX_SOURCE],1,[feature test macro]) 146: dnl AC_DEFINE_UNQUOTED([_POSIX_C_SOURCE],199506L,[feature test macro]) 147: dnl AC_DEFINE_UNQUOTED([_XOPEN_SOURCE],600,[feature test macro]) 148: # turn on large file support with 64-bit off_t where available 149: AC_SYS_LARGEFILE 150: dnl AC_DEFINE_UNQUOTED([_LARGEFILE_SOURCE],1,[feature test macro]) 151: dnl AC_DEFINE_UNQUOTED([_FILE_OFFSET_BITS],64,[feature test macro]) 152: 153: #currently we force direct threading this way. Eventually we should 154: #setup in the arch and engine files right 155: 156: AC_PROG_CC 157: 158: test "$GCC" = "yes" || AC_MSG_ERROR(Gforth uses GNU C extensions and requires GCC 2.0 or higher) 159: 160: AC_MSG_CHECKING([whether to use two dispatches per conditional branch]) 161: test x$condbranch_opt = x && 162: if ($CC -v 2>&1 |grep 'gcc version 3' >/dev/null); then 163: condbranch_opt=0 164: else 165: condbranch_opt=1 166: fi 167: AC_MSG_RESULT($condbranch_opt) 168: AC_SUBST(condbranch_opt) 169: 170: AC_SUBST(CC) 171: AC_SUBST(GCC_LD) 172: AC_SUBST(DEBUGFLAG) 173: AC_SUBST(EC) 174: AC_SUBST(NO_EC) 175: AC_SUBST(EC_MODE) 176: AC_SUBST(engine2) 177: AC_SUBST(engine_fast2) 178: AC_SUBST(no_dynamic) 179: AC_SUBST(image_i) 180: AC_SUBST(signals_o) 181: 182: #this is used to disable some (not generally essential) part of the 183: #Makefile that some makes don't grok. It would be better to test for 184: #this specific Makefile feature than the make version. 185: AC_MSG_CHECKING(make type) 186: make_type=`make -n -v 2>&1|grep 'ake'|sed 's/ake .*/ake/'` 187: GNUMAKE='#' 188: test "$make_type" = "GNU Make" && GNUMAKE='' 189: AC_MSG_RESULT($make_type) 190: AC_SUBST(GNUMAKE) 191: 192: AC_MSG_CHECKING([whether the linker accepts -export-dynamic]) 193: OLDLDFLAGS=$LDFLAGS 194: LDFLAGS="$LDFLAGS -export-dynamic" 195: dnl AC_TRY_LINK gives false positive on rs6000-ibm-aix4.2.1.0 196: dnl AC_TRY_LINK(,,ac_export_dynamic=yes,ac_export_dynamic=no) 197: AC_TRY_RUN(main(){exit(0);},ac_export_dynamic=yes,ac_export_dynamic=no,ac_export_dynamic=no) 198: test $ac_export_dynamic = yes|| LDFLAGS=$OLDLDFLAGS 199: AC_MSG_RESULT($ac_export_dynamic) 200: 201: #terminology is a bit unusual here: The host is the system on which 202: #gforth will run; the system on which configure will run is the `build' 203: case "$host_cpu" in 204: arm*) 205: machine=arm 206: CFLAGS="$CFLAGS -fomit-frame-pointer" 207: if test x$platform = xnxt; then 208: CFLAGS="$CFLAGS -mthumb -mthumb-interwork" 209: fi 210: if test -z $arm_cacheflush; then 211: case "$host_os" in 212: *linux*) 213: AC_LIBOBJ(../arch/arm/cacheflush-linux) 214: ;; 215: *) 216: no_dynamic_default=1 217: AC_LIBOBJ(../arch/arm/cacheflush0) 218: AC_MSG_WARN([No I-cache flush code known, disabling dynamic native code generation]) 219: ;; 220: esac 221: else 222: AC_LIBOBJ(../$arm_cacheflush) 223: test $srcdir = . || AC_MSG_WARN([setting arm_cacheflush requires building in the source directory]) 224: fi 225: #longer skipcodes lead to problems on ARM, and it uses 226: #only 4-byte alignment anyway 227: test "$skipcode" || skipcode="nop" 228: ;; 229: hppa*) 230: machine=hppa 231: AC_LIBOBJ(../arch/hppa/cache) 232: #-N needed for --dynamic <M4U3b.3790$9d.317@news.cpqcorp.net> 233: LDFLAGS="$LDFLAGS -Xlinker -N" 234: LIBS="$LIBS -L/lib/pa1.1/" 235: ;; 236: sparc*) 237: machine=sparc 238: ;; 239: i386) 240: machine=386 241: CFLAGS="$CFLAGS -fomit-frame-pointer -fforce-addr" 242: ;; 243: i486) 244: machine=386 245: CFLAGS="$CFLAGS -fomit-frame-pointer -fforce-addr -m486" 246: ;; 247: i*86) 248: machine=386 249: CFLAGS="$CFLAGS -fomit-frame-pointer -fforce-addr" 250: CFLAGS_1="$CFLAGS" 251: CFLAGS="$CFLAGS -march=pentium" 252: AC_TRY_COMPILE(,,,CFLAGS="$CFLAGS_1 -m486") 253: ;; 254: x86_64) 255: case $CC 256: in 257: *-m32*) 258: machine=386 259: CFLAGS="$CFLAGS -fomit-frame-pointer -fforce-addr" 260: CFLAGS_1="$CFLAGS" 261: CFLAGS="$CFLAGS -march=athlon64" 262: ;; 263: *) 264: machine=amd64 265: ;; 266: esac 267: ;; 268: ia64*) 269: machine=ia64 270: AC_LIBOBJ(../arch/ia64/flush_icache_block) 271: test "$skipcode" || skipcode="nop.i 0" 272: #".skip 16" passes the test below, 273: # but gives an assembler error in engine 274: ;; 275: m68k) 276: machine=m68k 277: CFLAGS="$CFLAGS -fomit-frame-pointer" 278: if test "$host_os" = "nextstep3" 279: then 280: AC_LIBOBJ(termios) 281: fi 282: ;; 283: mips*) 284: machine=mips 285: #dynamic native code has the following problems on MIPS: 286: # 287: #1) J/JAL seems relocatable, but is are only 288: #relocatable within a 256MB-segment. While we try to 289: #get the linker to arrange this, there is no guarantee 290: #that this will succeed (and if the user uses a lot of 291: #memory, it is likely to fail). 292: # 293: #2) The way we generate dynamic native code may 294: #violate MIPS architectural restrictions (in 295: #particular, the delay slots of LW, MFLO, etc.) 296: # 297: #Therefore we disable dynamic native code by default: 298: if test -z "$no_dynamic_default"; then 299: no_dynamic_default=1 300: AC_MSG_WARN([Disabling default dynamic native code generation (relocation and delay slot issues)]) 301: fi 302: ;; 303: alpha*) 304: machine=alpha 305: #full IEEE FP support for more uniformity across platforms: 306: CFLAGS="$CFLAGS -mieee" 307: ;; 308: power*|rs6000) 309: machine=power 310: AC_CHECK_FUNC(_sync_cache_range,[true],[AC_LIBOBJ(../arch/power/_sync_cache_range)]) 311: #long long is broken on (at least) gcc-2.95.* for PPC 312: test x$ac_cv_sizeof_long_long = x && 313: ($CC -v 2>&1 |grep 'gcc version 2.95' >/dev/null) && 314: ac_cv_sizeof_long_long=0 315: #The only architecture with enough callee-saved registers 316: test x$STACK_CACHE_REGS = x && STACK_CACHE_REGS=3 317: #or use 2, hardly slower at run-time and starts up faster 318: 319: #the skipcode that is normally selected below does not 320: #work with gcc-3.[34] 321: test "$skipcode" || skipcode="nop\nnop\nnop\nnop" 322: ;; 323: *) 324: AC_MSG_WARN([Using a generic machine description]) 325: AC_MSG_WARN([Assuming C floats and doubles are IEEE floats and doubles (for SF@ DF@ SF! DF!)]) 326: AC_MSG_WARN([FLUSH-ICACHE will do nothing, so END-CODE may not work properly!]) 327: machine=generic 328: #I-cache flushing would be needed for dynamic code generation 329: if test -z $no_dynamic_default; then 330: no_dynamic_default=1 331: AC_MSG_WARN([No I-cache flush code known, disabling dynamic native code generation]) 332: fi 333: esac 334: AC_SUBST(host) 335: 336: MAKEINC="" 337: GFORTH_EXE="true" 338: 339: echo "Check for arch/$machine/$platform/gforth.ld ($EC_MODE)" 340: if test x$EC_MODE = xtrue 341: then 342: echo "Check for arch/$machine/$platform/gforth.ld" 343: if test -f arch/$machine/$platform/gforth.ld 344: then 345: LDFLAGS="-T ../arch/$machine/$platform/gforth.ld -Map \$@.map -cref --gc-sections $LDFLAGS" 346: if test x$platform = xnxt; then 347: 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 $LIBS" 348: fi 349: fi 350: if test -f arch/$machine/$platform/make.inc 351: then 352: MAKEINC="include ../arch/$machine/$platform/make.inc" 353: GFORTH_EXE="\$(MAKE) -f arch/$machine/$platform/make.inc \$@.exe" 354: fi 355: fi 356: AC_SUBST(MAKEINC) 357: 358: AC_ARG_VAR(STACK_CACHE_REGS, [number of registers in the maximum stack cache state for gforth-fast and gforth-native (default platform-dependent).]) 359: 360: test x$STACK_CACHE_REGS = x && STACK_CACHE_REGS=1 361: AC_DEFINE_UNQUOTED(STACK_CACHE_REGS, $STACK_CACHE_REGS, 362: [number of registers in the maximum stack cache state for gforth-fast and gforth-native]) 363: test x$STACK_CACHE_DEFAULT_FAST = x && STACK_CACHE_DEFAULT_FAST=1 364: AC_DEFINE_UNQUOTED(STACK_CACHE_DEFAULT_FAST, $STACK_CACHE_DEFAULT_FAST, 365: [number of registers in the default stack cache state for gforth-fast and gforth-native]) 366: 367: test x$GCC_PR15242_WORKAROUND = x || 368: AC_DEFINE_UNQUOTED(GCC_PR15242_WORKAROUND, $GCC_PR15242_WORKAROUND, 369: [force (1) or forbid (0) use of a workaround for a gcc performance bug]) 370: 371: dnl the following macro produces a warning with autoconf-2.1 372: AC_CHECK_SIZEOF(char *) 373: case "$ac_cv_sizeof_char_p" in 374: 2) 375: wordsize=16 376: ;; 377: 4) 378: wordsize=32 379: ;; 380: 8) 381: wordsize=64 382: ;; 383: esac 384: 385: AC_CHECK_SIZEOF(void *) 386: case "$ac_cv_sizeof_void_p" in 387: 2) 388: vwordsize=16 389: ;; 390: 4) 391: vwordsize=32 392: ;; 393: 8) 394: vwordsize=64 395: ;; 396: esac 397: 398: AC_CHECK_SIZEOF(char) 399: AC_CHECK_SIZEOF(short) 400: AC_CHECK_SIZEOF(int) 401: AC_CHECK_SIZEOF(long) 402: AC_CHECK_SIZEOF(long long) 403: AC_CHECK_SIZEOF(intptr_t) 404: AC_CHECK_SIZEOF(int128_t) 405: AC_CHECK_SIZEOF(uint128_t) 406: 407: AC_MSG_CHECKING([for a C type for cells]) 408: ac_cv_int_type_cell=none 409: case "$ac_cv_sizeof_char_p" in 410: $ac_cv_sizeof_int) 411: ac_cv_int_type_cell=int 412: ;; 413: $ac_cv_sizeof_short) 414: ac_cv_int_type_cell=short 415: ;; 416: $ac_cv_sizeof_char) 417: ac_cv_int_type_cell=char 418: ;; 419: $ac_cv_sizeof_long) 420: ac_cv_int_type_cell=long 421: ;; 422: $ac_cv_sizeof_long_long) 423: ac_cv_int_type_cell="long long" 424: ;; 425: $ac_cv_sizeof_intptr_t) 426: ac_cv_int_type_cell="intptr_t" 427: ;; 428: esac 429: AC_MSG_RESULT($ac_cv_int_type_cell) 430: AC_DEFINE_UNQUOTED(CELL_TYPE,$ac_cv_int_type_cell,[an integer type that is as long as a pointer]) 431: 432: AC_MSG_CHECKING([for a C type for wydes]) 433: ac_cv_wyde_type_cell=none 434: case 2 in 435: $ac_cv_sizeof_int) 436: ac_cv_wyde_type_cell=int 437: ;; 438: $ac_cv_sizeof_short) 439: ac_cv_wyde_type_cell=short 440: ;; 441: $ac_cv_sizeof_char) 442: ac_cv_wyde_type_cell=char 443: ;; 444: $ac_cv_sizeof_long) 445: ac_cv_wyde_type_cell=long 446: ;; 447: $ac_cv_sizeof_long_long) 448: ac_cv_wyde_type_cell="long long" 449: ;; 450: $ac_cv_sizeof_intptr_t) 451: ac_cv_wyde_type_cell="intptr_t" 452: ;; 453: esac 454: AC_MSG_RESULT($ac_cv_wyde_type_cell) 455: AC_DEFINE_UNQUOTED(WYDE_TYPE,$ac_cv_wyde_type_cell,[an integer type that is 2 bytes long]) 456: 457: AC_MSG_CHECKING([for a C type for tetrabytes]) 458: ac_cv_tetrabyte_type_cell=none 459: case 4 in 460: $ac_cv_sizeof_int) 461: ac_cv_tetrabyte_type_cell=int 462: ;; 463: $ac_cv_sizeof_short) 464: ac_cv_tetrabyte_type_cell=short 465: ;; 466: $ac_cv_sizeof_char) 467: ac_cv_tetrabyte_type_cell=char 468: ;; 469: $ac_cv_sizeof_long) 470: ac_cv_tetrabyte_type_cell=long 471: ;; 472: $ac_cv_sizeof_long_long) 473: ac_cv_tetrabyte_type_cell="long long" 474: ;; 475: $ac_cv_sizeof_intptr_t) 476: ac_cv_tetrabyte_type_cell="intptr_t" 477: ;; 478: esac 479: AC_MSG_RESULT($ac_cv_tetrabyte_type_cell) 480: AC_DEFINE_UNQUOTED(TETRABYTE_TYPE,$ac_cv_tetrabyte_type_cell,[an integer type that is 4 bytes long]) 481: 482: AC_MSG_CHECKING([for a C type for octabytes]) 483: ac_cv_octabyte_type_cell=none 484: case 8 in 485: $ac_cv_sizeof_int) 486: ac_cv_octabyte_type_cell=int 487: ;; 488: $ac_cv_sizeof_short) 489: ac_cv_octabyte_type_cell=short 490: ;; 491: $ac_cv_sizeof_char) 492: ac_cv_octabyte_type_cell=char 493: ;; 494: $ac_cv_sizeof_long) 495: ac_cv_octabyte_type_cell=long 496: ;; 497: $ac_cv_sizeof_long_long) 498: ac_cv_octabyte_type_cell="long long" 499: ;; 500: $ac_cv_sizeof_intptr_t) 501: ac_cv_octabyte_type_cell="intptr_t" 502: ;; 503: esac 504: AC_MSG_RESULT($ac_cv_octabyte_type_cell) 505: AC_DEFINE_UNQUOTED(OCTABYTE_TYPE,$ac_cv_octabyte_type_cell,[an integer type that is 8 bytes long]) 506: 507: AC_MSG_CHECKING([for a C type for double-cells]) 508: ac_cv_int_type_double_cell=none 509: case `expr 2 '*' "$ac_cv_sizeof_char_p"` in 510: $ac_cv_sizeof_short) 511: ac_cv_int_type_double_cell=short 512: ;; 513: $ac_cv_sizeof_int) 514: ac_cv_int_type_double_cell=int 515: ;; 516: $ac_cv_sizeof_long) 517: ac_cv_int_type_double_cell=long 518: ;; 519: $ac_cv_sizeof_long_long) 520: ac_cv_int_type_double_cell="long long" 521: ;; 522: $ac_cv_sizeof_intptr_t) 523: ac_cv_int_type_double_cell="intptr_t" 524: ;; 525: $ac_cv_sizeof_int128_t) 526: ac_cv_int_type_double_cell="int128_t" 527: ;; 528: esac 529: AC_MSG_RESULT($ac_cv_int_type_double_cell) 530: 531: AC_MSG_CHECKING([for a C type for unsigned double-cells]) 532: ac_cv_int_type_double_ucell=none 533: case `expr 2 '*' "$ac_cv_sizeof_char_p"` in 534: $ac_cv_sizeof_short) 535: ac_cv_int_type_double_ucell="unsigned short" 536: ;; 537: $ac_cv_sizeof_int) 538: ac_cv_int_type_double_ucell="unsigned int" 539: ;; 540: $ac_cv_sizeof_long) 541: ac_cv_int_type_double_ucell="unsigned long" 542: ;; 543: $ac_cv_sizeof_long_long) 544: ac_cv_int_type_double_ucell="unsigned long long" 545: ;; 546: $ac_cv_sizeof_intptr_t) 547: ac_cv_int_type_double_ucell="unsigned intptr_t" 548: ;; 549: $ac_cv_sizeof_uint128_t) 550: ac_cv_int_type_double_ucell="uint128_t" 551: ;; 552: esac 553: AC_MSG_RESULT($ac_cv_int_type_double_ucell) 554: 555: if test "$ac_cv_int_type_double_cell" != none && \ 556: test "$ac_cv_int_type_double_ucell" != none 557: then 558: AC_DEFINE_UNQUOTED(DOUBLE_CELL_TYPE,$ac_cv_int_type_double_cell,[an integer type that is twice as long as a pointer]) 559: AC_DEFINE_UNQUOTED(DOUBLE_UCELL_TYPE,$ac_cv_int_type_double_ucell,[an unsigned integer type that is twice as long as a pointer]) 560: OPTS=-ll 561: else 562: if test "$ac_cv_sizeof_char_p" = 8; then 563: OPTS="-ll -noll" 564: else 565: OPTS=-noll 566: fi 567: fi 568: 569: if grep FORCE_REG $srcdir/arch/$machine/machine.h >/dev/null; then 570: OPTS2='' 571: for i in $OPTS; do OPTS2="$OPTS2 $i-reg"; done 572: OPTS="$OPTS2 $OPTS" 573: else 574: AC_DEFINE_UNQUOTED(FORCE_REG_UNNECESSARY,,[defined if the platform does not need FORCE_REG]) 575: fi 576: AC_SUBST(OPTS) 577: 578: AC_TYPE_OFF_T 579: AC_CHECK_SIZEOF(off_t) 580: test $ac_cv_sizeof_off_t -gt $ac_cv_sizeof_char_p 581: ac_small_off_t=$? 582: AC_DEFINE_UNQUOTED(SMALL_OFF_T,$ac_small_off_t,[1 if off_t fits in a Cell]) 583: 584: ENGINE_FLAGS= 585: AC_SUBST(ENGINE_FLAGS) 586: 587: # Try if GCC understands -fno-gcse 588: 589: AC_MSG_CHECKING([if $CC understands -fno-gcse]) 590: CFLAGS_1="$CFLAGS" 591: CFLAGS="$CFLAGS -fno-gcse" 592: AC_TRY_COMPILE(,,ac_nogcse=yes;ENGINE_FLAGS="$ENGINE_FLAGS -fno-gcse",ac_nogcse=no) 593: CFLAGS="$CFLAGS_1" 594: AC_MSG_RESULT($ac_nogcse) 595: 596: # Try if GCC understands -fno-strict-aliasing 597: AC_MSG_CHECKING([if $CC understands -fno-strict-aliasing]) 598: CFLAGS_1="$CFLAGS" 599: CFLAGS="$CFLAGS -fno-strict-aliasing" 600: AC_TRY_COMPILE(,,ac_nostrictaliasing=yes;ENGINE_FLAGS="$ENGINE_FLAGS -fno-strict-aliasing",ac_nostrictaliasing=no) 601: CFLAGS="$CFLAGS_1" 602: AC_MSG_RESULT($ac_nostrictaliasing) 603: 604: # Try if GCC understands -fno-crossjumping 605: AC_MSG_CHECKING([if $CC understands -fno-crossjumping]) 606: CFLAGS_1="$CFLAGS" 607: CFLAGS="$CFLAGS -fno-crossjumping" 608: AC_TRY_COMPILE(,,ac_nocrossjumping=yes;ENGINE_FLAGS="$ENGINE_FLAGS -fno-crossjumping",ac_nocrossjumping=no) 609: CFLAGS="$CFLAGS_1" 610: AC_MSG_RESULT($ac_nocrossjumping) 611: 612: # Try if GCC understands -fno-reorder-blocks 613: AC_MSG_CHECKING([if $CC understands -fno-reorder-blocks]) 614: CFLAGS_1="$CFLAGS" 615: CFLAGS="$CFLAGS -fno-reorder-blocks" 616: AC_TRY_COMPILE(,,ac_noreorder_blocks=yes;ENGINE_FLAGS="$ENGINE_FLAGS -fno-reorder-blocks",ac_noreorder_blocks=no) 617: CFLAGS="$CFLAGS_1" 618: AC_MSG_RESULT($ac_noreorder_blocks) 619: 620: # Try if GCC understands -falign-labels=1 621: AC_MSG_CHECKING([if $CC understands -falign-labels=1]) 622: CFLAGS_1="$CFLAGS" 623: CFLAGS="$CFLAGS -falign-labels=1" 624: AC_TRY_COMPILE(,,ac_align_labels=yes;ENGINE_FLAGS="$ENGINE_FLAGS -falign-labels=1",ac_align_labels=no) 625: CFLAGS="$CFLAGS_1" 626: AC_MSG_RESULT($ac_align_labels) 627: 628: # Try if GCC understands -falign-loops=1 629: AC_MSG_CHECKING([if $CC understands -falign-loops=1]) 630: CFLAGS_1="$CFLAGS" 631: CFLAGS="$CFLAGS -falign-loops=1" 632: AC_TRY_COMPILE(,,ac_align_loops=yes;ENGINE_FLAGS="$ENGINE_FLAGS -falign-loops=1",ac_align_loops=no) 633: CFLAGS="$CFLAGS_1" 634: AC_MSG_RESULT($ac_align_loops) 635: 636: # Try if GCC understands -falign-jumps=1 637: AC_MSG_CHECKING([if $CC understands -falign-jumps=1]) 638: CFLAGS_1="$CFLAGS" 639: CFLAGS="$CFLAGS -falign-jumps=1" 640: AC_TRY_COMPILE(,,ac_align_jumps=yes;ENGINE_FLAGS="$ENGINE_FLAGS -falign-jumps=1",ac_align_jumps=no) 641: CFLAGS="$CFLAGS_1" 642: AC_MSG_RESULT($ac_align_jumps) 643: 644: if test -z "$LIBTOOL_CC" 645: then 646: LIBTOOL_CC="$CC" 647: # Try if GCC understands -Wimplicit-function-declaration 648: AC_MSG_CHECKING([if $CC understands -Wimplicit-function-declaration]) 649: CFLAGS_1="$CFLAGS" 650: CFLAGS="$CFLAGS -Wimplicit-function-declaration" 651: AC_TRY_COMPILE(,,LIBTOOL_CC="$CC -Wimplicit-function-declaration",) 652: CFLAGS="$CFLAGS_1" 653: AC_MSG_RESULT($ac_align_jumps) 654: fi 655: AC_SUBST(LIBTOOL_CC) 656: 657: 658: 659: # Try if GCC understands __attribute__((unused)) 660: AC_MSG_CHECKING([how to suppress 'unused variable' warnings]) 661: AC_TRY_COMPILE(,[int __attribute__((unused)) foo;], MAYBE_UNUSED='__attribute__((unused))',) 662: AC_DEFINE_UNQUOTED(MAYBE_UNUSED,$MAYBE_UNUSED,[attribute for possibly unused variables]) 663: AC_MSG_RESULT($MAYBE_UNUSED) 664: 665: #try if m4 understands -s 666: AC_MSG_CHECKING([how to invoke m4]) 667: if m4 -s /dev/null >/dev/null 2>&1; then 668: M4="m4 -s" 669: else 670: M4=m4 671: fi 672: AC_SUBST(M4) 673: AC_MSG_RESULT($M4) 674: 675: # Find installed Gforth 676: AC_MSG_CHECKING([for gforth]) 677: GFORTH="`cd / && which gforth 2>/dev/null`" 678: #the "$srcdir" = "." test defends agains the "../" bug in gforth-0.6.2 679: (cd / && $GFORTH -e bye >/dev/null 2>/dev/null && test "$srcdir" = ".") || GFORTH="" 680: if test -z "$GFORTH"; then 681: PREFORTH='echo "You need to configure with a gforth in \$PATH to build this part" && false' 682: kernel_anti_dependence='' 683: else 684: PREFORTH="$GFORTH -i `cd / && $GFORTH --debug -e bye 2>&1 |grep "Opened image file: "|sed 's/Opened image file: //'`" ; 685: kernel_anti_dependence='$(kernel_fi)' 686: fi 687: AC_SUBST(PREFORTH) 688: AC_SUBST(kernel_anti_dependence) 689: AC_MSG_RESULT($PREFORTH) 690: 691: #echo "machine='$machine'" 692: 693: dnl AC_CHECK_PROG(asm_fs,asm.fs,arch/$machine/asm.fs,,$srcdir/arch/$machine) 694: if test x$EC_MODE = xfalse 695: then 696: AS_IF([test -f $srcdir/arch/$machine/asm.fs], 697: [asm_fs=arch/$machine/asm.fs]) 698: fi 699: AC_SUBST(asm_fs) 700: 701: dnl AC_CHECK_PROG(disasm_fs,disasm.fs,arch/$machine/disasm.fs,,$srcdir/arch/$machine) 702: if test x$EC_MODE = xfalse 703: then 704: AS_IF([test -f $srcdir/arch/$machine/disasm.fs], 705: [disasm_fs=arch/$machine/disasm.fs]) 706: fi 707: AC_SUBST(disasm_fs) 708: 709: AC_PATH_PROG(INSTALL_INFO,install-info,[echo '>>>>Please make info dir entry:'],$PATH:/sbin:/usr/sbin:/usr/local/sbin) 710: 711: case "$host_os" in 712: *win32*) 713: # !!!FIXME!!! problems with cygwin and ';' as path separator 714: DIRSEP="\\\\" 715: PATHSEP=";" 716: #we want the builtins of command.com/cmd.exe and its 717: # handling of .com files. 718: #$COMSPEC contains the name of the Windows shell; 719: # the ./ is there, because the bash does not recognize 720: # absolute DOS filenames 721: DEFAULTSYSTEMPREFIX="./$COMSPEC /c " 722: ;; 723: *darwin*) 724: #Darwin uses some funny preprocessor by default; eliminate it: 725: AC_MSG_NOTICE([using -no-cpp-precomp on Darwin]) 726: CFLAGS="$CFLAGS -no-cpp-precomp" 727: DIRSEP="/" 728: PATHSEP=":" 729: DEFAULTSYSTEMPREFIX="" 730: #the following magic value was suggested by 731: #http://mail.python.org/pipermail/pythonmac-sig/2005-October/015190.html 732: AC_DEFINE_UNQUOTED(MACOSX_DEPLOYMENT_TARGET,"10.3",[an environment variable value needed by libtool on some MacOS X versions]) 733: ;; 734: *linux*) 735: DIRSEP="/" 736: PATHSEP=":" 737: DEFAULTSYSTEMPREFIX="" 738: if test -z "$LTDL_LIBRARY_PATH" -a "$wordsize" = 64; then 739: LTDL_LIBRARY_PATH=`/sbin/ldconfig -p |tail -n +2 |sed 's/^.* => //'|sed 's|/[[^/]]*$||'| grep 64 | sort -u | tr '\n' : | sed -e 's/:$//'` 740: fi 741: ;; 742: *) 743: DIRSEP="/" 744: PATHSEP=":" 745: DEFAULTSYSTEMPREFIX="" 746: ;; 747: esac 748: AC_SUBST(DIRSEP) 749: AC_DEFINE_UNQUOTED(DIRSEP,'$DIRSEP',[a directory separator character]) 750: AC_SUBST(PATHSEP) 751: AC_DEFINE_UNQUOTED(PATHSEP,'$PATHSEP',[a path separator character]) 752: AC_SUBST(DEFAULTSYSTEMPREFIX) 753: AC_DEFINE_UNQUOTED(DEFAULTSYSTEMPREFIX,"$DEFAULTSYSTEMPREFIX",[default for environment variable GFORTHSYSTEMPREFIX]) 754: if test -n "$LTDL_LIBRARY_PATH"; then 755: AC_DEFINE_UNQUOTED(LTDL_LIBRARY_PATH,"$LTDL_LIBRARY_PATH",[Define LTDL_LIBRARY_PATH for 64 bit Linux]) 756: fi 757: 758: #work around SELinux brain damage (from Andrew Haley <12t8f3jakb74g2c@news.supernews.com>) 759: #This magic incantation seems to be completely undocumented. 760: AC_CHECK_PROG([MASSAGE_EXE],[chcon],[chcon -t unconfined_execmem_exec_t],[true]) 761: 762: dnl Now a little support for DOS/DJGCC 763: GFORTHFAST_EXE="$GFORTH_EXE" 764: GFORTHITC_EXE="$GFORTH_EXE" 765: GFORTHDITC_EXE="$GFORTH_EXE" 766: AC_SUBST(GFORTH_EXE) 767: AC_SUBST(GFORTHFAST_EXE) 768: AC_SUBST(GFORTHITC_EXE) 769: AC_SUBST(GFORTHDITC_EXE) 770: 771: AC_SUBST(FORTHSIZES) 772: 773: dnl if test "$PEEPHOLE" = "yes" 774: dnl then 775: dnl PEEPHOLEFLAG="true" 776: dnl AC_DEFINE(HAS_PEEPHOLE,,[Define if you want to use peephole optimization]) 777: dnl else 778: dnl PEEPHOLEFLAG="false" 779: dnl fi 780: PEEPHOLEFLAG="true" 781: AC_SUBST(PEEPHOLEFLAG) 782: 783: dnl copy commands for systems that don't have links 784: AC_SUBST(LINK_KERNL) 785: LINK_KERNL="" 786: 787: #if test $host_os=dos 788: #then 789: # echo Configuring for DOS!!! 790: # MAKE_EXE="coff2exe gforth" 791: # LINK_KERNL='$(CP) kernl32l.fi kernel.fi' 792: #fi 793: 794: dnl the following macro produces a warning with autoconf-2.1 795: AC_C_BIGENDIAN 796: AC_SUBST(KERNEL) 797: dnl ac_cv_c_bigendian is an undocumented variable of autoconf-2.1 798: if test $ac_cv_c_bigendian != no; then 799: bytesex=b 800: KERNEL="kernl16b.fi kernl16l.fi kernl32b.fi kernl32l.fi kernl64b.fi kernl64l.fi" 801: else 802: bytesex=l 803: KERNEL="kernl16l.fi kernl16b.fi kernl32l.fi kernl32b.fi kernl64l.fi kernl64b.fi" 804: fi 805: 806: #check how to do asm(".skip 16") 807: #echo "CFLAGS=$CFLAGS" 808: #echo "ac_link=$ac_link" 809: AC_MSG_CHECKING([if and how we can waste code space]) 810: if test -z "$skipcode"; then 811: skipcode=no 812: CFLAGS_1="$CFLAGS" 813: CFLAGS="$CFLAGS $ENGINE_FLAGS" 814: for i in ".skip 16" ".block 16" ".org .+16" ".=.+16" ".space 16" 815: do 816: AC_TRY_RUN( 817: [int foo(int,int,int); 818: main() 819: { 820: exit(foo(0,0,0)!=16); 821: } 822: int foo(int x, int y, int z) 823: { 824: static void *labels[]={&&label1, &&label2}; 825: if (x) { 826: y++; /* workaround for http://gcc.gnu.org/bugzilla/show_bug.cgi?id=12108 */ 827: label1: 828: asm("$i"); /* or ".space 16" or somesuch */ 829: label2: ; 830: } 831: { 832: if (y) goto *labels[z]; /* workaround for gcc PR12108 */ 833: return labels[1]-labels[0]; 834: } 835: }] 836: ,skipcode=$i; break 837: ,,) 838: done 839: CFLAGS=$CFLAGS_1 840: fi 841: AC_MSG_RESULT($skipcode) 842: if test "$skipcode" = no 843: then 844: if test -z $no_dynamic_default; then 845: no_dynamic_default=1 846: AC_MSG_WARN(Disabling default dynamic native code generation) 847: fi 848: AC_DEFINE_UNQUOTED(SKIP16,((void)0),statement for skipping 16 bytes) 849: else 850: AC_DEFINE_UNQUOTED(SKIP16,asm("$skipcode"),statement for skipping 16 bytes) 851: fi 852: 853: AC_MSG_CHECKING([if and how we can do comments in asm statements]) 854: #the point here is to get asm statements that look different to 855: #gcc's "optimizer" 856: if test -z "$asmcomment"; then 857: asmcomment=no 858: CFLAGS_1="$CFLAGS" 859: CFLAGS="$CFLAGS $ENGINE_FLAGS" 860: for i in '"# "' '"! "' '"; "'; do 861: AC_TRY_COMPILE(,[asm($i"fluffystunk");],asmcomment=$i; break,) 862: done 863: CFLAGS=$CFLAGS_1 864: fi 865: AC_MSG_RESULT($asmcomment) 866: if test "$asmcomment" != no 867: then 868: AC_DEFINE_UNQUOTED(ASMCOMMENT,$asmcomment,[assembler comment start string]) 869: fi 870: 871: test "$no_dynamic_default" || no_dynamic_default=0 872: AC_DEFINE_UNQUOTED(NO_DYNAMIC_DEFAULT,$no_dynamic_default,default value for no_dynamic) 873: 874: dnl Checks for programs. 875: AC_PROG_LN_S 876: AC_PROG_INSTALL 877: AC_CHECK_PROGS(TEXI2DVI,texi2dvi4a2ps texi2dvi) 878: 879: dnl MacOS X has a libtool that does something else 880: AC_CHECK_PROGS(GNU_LIBTOOL,"glibtool --tag=CC" libtool) 881: 882: dnl Checks for library functions 883: dnl This check is just for making later checks link with libm. 884: dnl using sin here is no good idea since it is built-into gcc and typechecked 885: AC_CHECK_LIB(m,asin) 886: AC_CHECK_LIB(ltdl,lt_dlinit) 887: 888: if test -n "$GNU_LIBTOOL" -a $ac_cv_lib_ltdl_lt_dlinit = yes; then 889: build_libcc_named=build-libcc-named 890: else 891: build_libcc_named="" 892: AC_MSG_WARN([No GNU_LIBTOOL found, skip pre-building libcc-based libraries]) 893: fi 894: AC_SUBST(build_libcc_named) 895: 896: 897: if test -z "$GNU_LIBTOOL"; then 898: AC_MSG_WARN([No GNU_LIBTOOL found, using "libtool" as name.]) 899: AC_MSG_WARN([libcc.fs won't work until you have installed (GNU) libtool.]) 900: GNU_LIBTOOL=libtool 901: fi 902: 903: #check for libffi 2.x 904: AC_CHECK_HEADER(ffi.h,FFI_H_NAME=ffi.h,) 905: if test -z "$FFI_H_NAME"; then 906: AC_CHECK_HEADER(ffi/ffi.h,FFI_H_NAME=ffi/ffi.h,) 907: fi 908: AC_SUBST(FFI_H_NAME) 909: AC_CHECK_LIB(ffi,ffi_call) 910: if test -n "$FFI_H_NAME" -a $ac_cv_lib_ffi_ffi_call = yes 911: then 912: LIBFFIFLAG="true" 913: LIBCC_BUILD_SRC="$LIBCC_BUILD_SRC libffi.fs" 914: else 915: LIBFFIFLAG="false" 916: fi 917: #check for ffcall libraries 918: #unfortunately, these four calls are separated out into a library each. 919: AC_CHECK_LIB(avcall,__builtin_avcall) 920: dnl AC_CHECK_LIB(callback,__vacall_r) 921: dnl AC_CHECK_LIB(vacall,vacall) 922: dnl AC_CHECK_LIB(trampoline,alloc_trampoline) 923: if test $ac_cv_lib_avcall___builtin_avcall = yes; then 924: FFCALLFLAG="true" 925: LIBCC_BUILD_SRC="$LIBCC_BUILD_SRC fflib.fs" 926: else 927: FFCALLFLAG="false" 928: fi 929: if test $LIBFFIFLAG = false -a $FFCALLFLAG = false; then 930: AC_MSG_WARN([The (old) lib.fs foreign function interface needs either libffi or the ffcall libraries]) 931: fi 932: AC_SUBST(LIBFFIFLAG) 933: AC_SUBST(FFCALLFLAG) 934: AC_SUBST(LIBCC_BUILD_SRC) 935: if test "$host_os" != "nextstep3" 936: then 937: AC_FUNC_MEMCMP 938: fi 939: AC_REPLACE_FUNCS(memmove strtoul pow10 strerror strsignal atanh) 940: AC_FUNC_FSEEKO 941: AC_CHECK_FUNCS(ftello dlopen sys_siglist getrusage nanosleep) 942: AC_CHECK_TYPES(stack_t,,,[#include <signal.h>]) 943: AC_DECL_SYS_SIGLIST 944: AC_CHECK_FUNC(getopt_long,[true],[AC_LIBOBJ(getopt) AC_LIBOBJ(getopt1)]) 945: AC_CHECK_FUNCS(expm1 log1p) 946: AC_REPLACE_FUNCS(rint ecvt) 947: dnl No check for select, because our replacement is no good under 948: dnl anything but DOS 949: AC_CHECK_HEADERS(sys/mman.h fnmatch.h alloca.h wchar.h endian.h) 950: AC_FUNC_FNMATCH 951: test $ac_cv_func_fnmatch_works = yes || AC_LIBOBJ(fnmatch) 952: AC_CHECK_FUNCS(mmap sysconf getpagesize wcwidth) 953: AM_PATH_LISPDIR 954: 955: kernel_fi=kernl${vwordsize}${bytesex}.fi 956: include_fi=kernl${wordsize}${bytesex}${EC}.fi 957: AC_SUBST(kernel_fi) 958: AC_SUBST(include_fi) 959: 960: #this breaks bindists 961: #dnl replace srource directory by absolute value 962: #if test $srcdir = "."; then srcdir=`pwd` 963: #fi 964: 965: AC_SUBST(machine) 966: AC_CONFIG_FILES([ 967: Makefile 968: Makedist 969: gforthmi 970: vmgen 971: machpc.fs 972: envos.fs 973: preforth 974: engine/Makefile 975: engine/libcc.h 976: doc/version.texi 977: build-ec ]) 978: AC_CONFIG_COMMANDS([stamp-h],[[echo timestamp > stamp-h 979: chmod +x gforthmi 980: chmod +x vmgen 981: chmod +x build-ec 982: chmod +x preforth 983: test -d kernel||mkdir kernel 984: if test $srcdir != "."; then ln -sf $srcdir/gforth.el .; fi 985: $srcdir/mkinstalldirs include/gforth/$PACKAGE_VERSION 986: $srcdir/mkinstalldirs arch/$machine 987: ln -sf ../../../engine/config.h ../../../engine/libcc.h include/gforth/$PACKAGE_VERSION]], 988: [PACKAGE_VERSION=$PACKAGE_VERSION 989: machine=$machine]) 990: AC_OUTPUT