gforth/configure.in - view

File: [gforth] / gforth / configure.in
Revision 1.154: download - view: text, annotated - select for diffs
Sat Dec 31 15:46:08 2005 UTC (17 years, 11 months ago) by anton
Branches: MAIN
CVS tags: HEAD

updated the copyright year on many files
added FSF copyright header to complex.fs fft.fs regexp-test.fs regexp.fs
added fsl-util.fs to update-copyright-blacklist

1: dnl Process this file with autoconf to produce a configure script. 2: 3: #Copyright (C) 1995,1996,1997,1998,2000,2003,2004,2005 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 2 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, write to the Free Software 19: #Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA. 20: 21: 22: dnl We use some automake macros here, 23: dnl but don't use automake for creating Makefile.in 24: AC_INIT([gforth],[0.6.2-20030910],[https://savannah.gnu.org/bugs/?func=addbug&group=gforth]) 25: AC_PREREQ(2.54) 26: #snapshots have numbers major.minor.release-YYYYMMDD 27: #note that lexicographic ordering must be heeded. 28: #I.e., 0.4.1-YYYYMMDD must not exist before 0.4.1! 29: UPDATED="September 10, 2003" 30: AC_SUBST(UPDATED) 31: AC_CONFIG_HEADERS(engine/config.h) 32: 33: #suppress the "-g -O2" default 34: test "$CFLAGS" || CFLAGS=-O2 35: 36: AC_ARG_ENABLE(force-reg, 37: AC_HELP_STRING([--enable-force-reg], 38: [ Use explicit register declarations if they appear in 39: the machine.h file. This can cause a good speedup, 40: but also incorrect code with some gcc versions on 41: some processors (default disabled).]), 42: ,enable_force_reg=no) 43: test "$enable_force_reg" = "no"|| 44: AC_DEFINE(FORCE_REG,,[Define if you want to use explicit register declarations for better performance or for more convenient CODE words (does not work with all GCC versions on all machines)]) 45: 46: AC_ARG_ENABLE(force-ll, 47: AC_HELP_STRING([--enable-force-ll], 48: [ Use explicit long long declarations if they appear in 49: the machine.h file. This can cause a good speedup, 50: but also incorrect code with some gcc versions on 51: some processors (default disabled).]), 52: ,enable_force_ll=no) 53: test "$enable_force_ll" = "no"|| 54: AC_DEFINE(FORCE_LL,,[Define if you want to use explicit long long declarations for better performance (does not work with all GCC versions on all machines)]) 55: 56: AC_ARG_ENABLE(gcc-pr15242-workaround, 57: AC_HELP_STRING([--disable-gcc-pr15242-workaround],[Disables 58: dynamic code generation on some versions of gcc 59: (slowdown~2 on Athlon) and causes slower building 60: of gforth (but gforth speedups) on others. 61: (default enabled)]), 62: ,enable_gcc_pr15242_workaround=yes) 63: test "$enable_gcc_pr15242_workaround" = "no"|| 64: AC_DEFINE(GCC_PR15242_WORKAROUND,,[Define if you want to get dynamic code 65: generation on gccs affected by PR15242]) 66: 67: AC_ARG_ENABLE(force-cdiv, 68: AC_HELP_STRING([--enable-force-cdiv], 69: [ Use the native C division - symmetric - instead of 70: floored division (default disabled).]), 71: ,enable_force_cdiv=no) 72: test "$enable_force_cdiv" = "no"|| 73: AC_DEFINE(FORCE_CDIV,,[Define if you want to use explicit symmetric division for better performance]) 74: 75: AC_SUBST(PROFEXES) 76: AC_SUBST(PROFOBJS) 77: AC_ARG_ENABLE(prof, 78: AC_HELP_STRING([--enable-prof], 79: [ Build gforth-prof, which outputs frequently occuring 80: sequences of primitives.]), 81: ,enable_prof=no) 82: if test "$enable_prof" = "no"; then 83: PROFEXES="gforth-prof\$(EXE)"; PROFOBJS="engine-prof.o main-prof.o profile.o" 84: fi 85: 86: AC_ARG_WITH(debug, 87: [ --with-debug specifies option -g to compile with debug info 88: --without-debug omits the -g switch and creates smaller images on 89: machines where "strip" has problems with gcc style 90: debugging informations.], 91: if test "$withval" = "yes"; then DEBUGFLAG=-g; fi) 92: 93: dnl PEEPHOLE="yes" 94: dnl AC_ARG_WITH(peephole, 95: dnl [ --with-peephole Enable peephole optimization (default) 96: dnl --without-peephole disables peephole optimization. Creates smaller, 97: dnl but slower images.], 98: dnl PEEPHOLE="$withval") 99: 100: #variables mentioned in INSTALL 101: AC_ARG_VAR(CC, [The C compiler (must support GNU C 2.x); gcc-2.95 recommended.]) 102: AC_ARG_VAR(FORTHSIZES, [Gforth command line options for the default stack and dictionary sizes (see INSTALL).]) 103: AC_ARG_VAR(STACK_CACHE_DEFAULT_FAST, [number of registers in the default stack cache state for gforth-fast and gforth-native (default 1).]) 104: AC_ARG_VAR(ac_cv_sizeof_char_p, [sizeof(char *)]) 105: AC_ARG_VAR(ac_cv_sizeof_char, [sizeof(char)]) 106: AC_ARG_VAR(ac_cv_sizeof_short, [sizeof(short)]) 107: AC_ARG_VAR(ac_cv_sizeof_int, [sizeof(int)]) 108: AC_ARG_VAR(ac_cv_sizeof_long, [sizeof(long)]) 109: AC_ARG_VAR(ac_cv_sizeof_long_long, [sizeof(long long)]) 110: AC_ARG_VAR(ac_cv_sizeof_intptr_t, [sizeof(intptr_t)]) 111: AC_ARG_VAR(ac_cv_sizeof_int128_t, [sizeof(int128_t)]) 112: AC_ARG_VAR(ac_cv_sizeof_uint128_t, [sizeof(uint128_t)]) 113: AC_ARG_VAR(ac_cv_c_bigendian, [Is the target big-endian ("yes" or "no")?]) 114: AC_ARG_VAR(no_dynamic_default, [run gforth with --dynamic (0) or --no-dynamic (1) by default]) 115: AC_ARG_VAR(skip_code, [assembly code for skipping 16 bytes of code]) 116: 117: #set up feature test macros, so the tests get them right: 118: # turn on all POSIX, SUSv3, and GNU features if available 119: AC_GNU_SOURCE 120: dnl AC_DEFINE_UNQUOTED([_GNU_SOURCE],1,[feature test macro]) 121: 122: dnl Don't define _POSIX_SOURCE etc. because some OSs (in particular 123: dnl MacOSX) disable some features then (MacOSX checks for _POSIX_SOURCE, 124: dnl but not for _XOPEN_SOURCE) 125: dnl AC_DEFINE_UNQUOTED([_POSIX_SOURCE],1,[feature test macro]) 126: dnl AC_DEFINE_UNQUOTED([_POSIX_C_SOURCE],199506L,[feature test macro]) 127: dnl AC_DEFINE_UNQUOTED([_XOPEN_SOURCE],600,[feature test macro]) 128: # turn on large file support with 64-bit off_t where available 129: AC_SYS_LARGEFILE 130: dnl AC_DEFINE_UNQUOTED([_LARGEFILE_SOURCE],1,[feature test macro]) 131: dnl AC_DEFINE_UNQUOTED([_FILE_OFFSET_BITS],64,[feature test macro]) 132: 133: #currently we force direct threading this way. Eventually we should 134: #setup in the arch and engine files right 135: 136: AC_PROG_CC 137: 138: test "$GCC" = "yes" || AC_MSG_ERROR(Gforth uses GNU C extensions and requires GCC 2.0 or higher) 139: 140: AC_SUBST(CC) 141: AC_SUBST(DEBUGFLAG) 142: 143: AC_MSG_CHECKING(make type) 144: make_type=`make -v 2>&1|grep 'ake version'|sed 's/ version .*//'` 145: 146: GNUMAKE='#' 147: test "$make_type" = "GNU Make" && GNUMAKE='' 148: 149: AC_MSG_RESULT($make_type) 150: 151: AC_SUBST(GNUMAKE) 152: 153: AC_MSG_CHECKING([whether the linker accepts -export-dynamic]) 154: OLDLDFLAGS=$LDFLAGS 155: LDFLAGS="$LDFLAGS -export-dynamic" 156: dnl AC_TRY_LINK gives false positive on rs6000-ibm-aix4.2.1.0 157: dnl AC_TRY_LINK(,,ac_export_dynamic=yes,ac_export_dynamic=no) 158: AC_TRY_RUN(main(){exit(0);},ac_export_dynamic=yes,ac_export_dynamic=no,ac_export_dynamic=no) 159: test $ac_export_dynamic = yes|| LDFLAGS=$OLDLDFLAGS 160: AC_MSG_RESULT($ac_export_dynamic) 161: 162: #terminology is a bit unusual here: The host is the system on which 163: #gforth will run; the system on which configure will run is the `build' 164: AC_CANONICAL_HOST 165: case "$host_cpu" in 166: arm*) 167: machine=arm 168: CFLAGS="$CFLAGS -fomit-frame-pointer" 169: if test -z $no_dynamic_default; then 170: no_dynamic_default=1 171: AC_MSG_WARN([No I-cache flush code known, disabling dynamic native code generation]) 172: fi 173: ;; 174: hppa*) 175: machine=hppa 176: $srcdir/mkinstalldirs arch/hppa 177: AC_LIBOBJ(../arch/hppa/cache) 178: #-N needed for --dynamic <M4U3b.3790$9d.317@news.cpqcorp.net> 179: LDFLAGS="$LDFLAGS -Xlinker -N" 180: LIBS="$LIBS -L/lib/pa1.1/" 181: ;; 182: sparc*) 183: machine=sparc 184: ;; 185: i386) 186: machine=386 187: CFLAGS="$CFLAGS -fomit-frame-pointer -fforce-addr -fforce-mem" 188: ;; 189: i486) 190: machine=386 191: CFLAGS="$CFLAGS -fomit-frame-pointer -fforce-addr -fforce-mem -m486" 192: ;; 193: i*86) 194: machine=386 195: CFLAGS="$CFLAGS -fomit-frame-pointer -fforce-addr -fforce-mem" 196: CFLAGS_1="$CFLAGS" 197: CFLAGS="$CFLAGS -march=pentium" 198: AC_TRY_COMPILE(,,,CFLAGS="$CFLAGS_1 -m486") 199: ;; 200: x86_64) 201: machine=amd64 202: ;; 203: ia64*) 204: machine=ia64 205: AC_LIBOBJ(../arch/ia64/flush_icache_block) 206: test "$skipcode" || skipcode="nop.i 0" 207: #".skip 16" passes the test below, 208: # but gives an assembler error in engine 209: ;; 210: m68k) 211: machine=m68k 212: CFLAGS="$CFLAGS -fomit-frame-pointer" 213: if test "$host_os" = "nextstep3" 214: then 215: AC_LIBOBJ(termios) 216: fi 217: ;; 218: mips*) 219: machine=mips 220: #dynamic native code has the following problems on MIPS: 221: # 222: #1) J/JAL seems relocatable, but is are only 223: #relocatable within a 256MB-segment. While we try to 224: #get the linker to arrange this, there is no guarantee 225: #that this will succeed (and if the user uses a lot of 226: #memory, it is likely to fail). 227: # 228: #2) The way we generate dynamic native code may 229: #violate MIPS architectural restrictions (in 230: #particular, the delay slots of LW, MFLO, etc.) 231: # 232: #Therefore we disable dynamic native code by default: 233: if test -z $no_dynamic_default; then 234: no_dynamic_default=1 235: AC_MSG_WARN([Disabling default dynamic native code generation (relocation and delay slot issues)]) 236: fi 237: ;; 238: alpha*) 239: machine=alpha 240: #full IEEE FP support for more uniformity across platforms: 241: CFLAGS="$CFLAGS -mieee" 242: ;; 243: power*|rs6000) 244: machine=power 245: $srcdir/mkinstalldirs arch/power 246: AC_CHECK_FUNC(_sync_cache_range,[true],[AC_LIBOBJ(../arch/power/_sync_cache_range)]) 247: #long long is broken on (at least) gcc-2.95.* for PPC 248: test x$ac_cv_sizeof_long_long = x && ac_cv_sizeof_long_long=0 249: ;; 250: *) 251: AC_MSG_WARN([Using a generic machine description]) 252: AC_MSG_WARN([Assuming C floats and doubles are IEEE floats and doubles (for SF@ DF@ SF! DF!)]) 253: AC_MSG_WARN([FLUSH-ICACHE will do nothing, so END-CODE may not work properly!]) 254: machine=generic 255: #I-cache flushing would be needed for dynamic code generation 256: if test -z $no_dynamic_default; then 257: no_dynamic_default=1 258: AC_MSG_WARN([No I-cache flush code known, disabling dynamic native code generation]) 259: fi 260: esac 261: AC_SUBST(host) 262: 263: test x$STACK_CACHE_DEFAULT_FAST = x && STACK_CACHE_DEFAULT_FAST=1 264: AC_DEFINE_UNQUOTED(STACK_CACHE_DEFAULT_FAST, $STACK_CACHE_DEFAULT_FAST, 265: [number of registers in the default stack cache state for gforth-fast and gforth-native]) 266: 267: if test "${enable_force_ll+set}" = set; then 268: ac_includes_default="$ac_includes_default 269: #include \"arch/generic/128bit.h\"" 270: fi 271: 272: dnl the following macro produces a warning with autoconf-2.1 273: AC_CHECK_SIZEOF(char *) 274: case "$ac_cv_sizeof_char_p" in 275: 2) 276: wordsize=16 277: ;; 278: 4) 279: wordsize=32 280: ;; 281: 8) 282: wordsize=64 283: ;; 284: esac 285: 286: AC_CHECK_SIZEOF(char) 287: AC_CHECK_SIZEOF(short) 288: AC_CHECK_SIZEOF(int) 289: AC_CHECK_SIZEOF(long) 290: AC_CHECK_SIZEOF(long long) 291: AC_CHECK_SIZEOF(intptr_t) 292: AC_CHECK_SIZEOF(int128_t) 293: AC_CHECK_SIZEOF(uint128_t) 294: 295: AC_MSG_CHECKING([for a C type for cells]) 296: ac_cv_int_type_cell=none 297: case "$ac_cv_sizeof_char_p" in 298: $ac_cv_sizeof_int) 299: ac_cv_int_type_cell=int 300: ;; 301: $ac_cv_sizeof_short) 302: ac_cv_int_type_cell=short 303: ;; 304: $ac_cv_sizeof_char) 305: ac_cv_int_type_cell=char 306: ;; 307: $ac_cv_sizeof_long) 308: ac_cv_int_type_cell=long 309: ;; 310: $ac_cv_sizeof_long_long) 311: ac_cv_int_type_cell="long long" 312: ;; 313: $ac_cv_sizeof_intptr_t) 314: ac_cv_int_type_cell="intptr_t" 315: ;; 316: $ac_cv_sizeof_int128_t) 317: ac_cv_int_type_cell="int128_t" 318: ;; 319: esac 320: AC_MSG_RESULT($ac_cv_int_type_cell) 321: AC_DEFINE_UNQUOTED(CELL_TYPE,$ac_cv_int_type_cell,[an integer type that is as long as a pointer]) 322: 323: AC_MSG_CHECKING([for a C type for wydes]) 324: ac_cv_wyde_type_cell=none 325: case 2 in 326: $ac_cv_sizeof_int) 327: ac_cv_wyde_type_cell=int 328: ;; 329: $ac_cv_sizeof_short) 330: ac_cv_wyde_type_cell=short 331: ;; 332: $ac_cv_sizeof_char) 333: ac_cv_wyde_type_cell=char 334: ;; 335: $ac_cv_sizeof_long) 336: ac_cv_wyde_type_cell=long 337: ;; 338: $ac_cv_sizeof_long_long) 339: ac_cv_wyde_type_cell="long long" 340: ;; 341: $ac_cv_sizeof_intptr_t) 342: ac_cv_wyde_type_cell="intptr_t" 343: ;; 344: $ac_cv_sizeof_int128_t) 345: ac_cv_wyde_type_cell="int128_t" 346: ;; 347: esac 348: AC_MSG_RESULT($ac_cv_wyde_type_cell) 349: AC_DEFINE_UNQUOTED(WYDE_TYPE,$ac_cv_wyde_type_cell,[an integer type that is 2 bytes long]) 350: 351: AC_MSG_CHECKING([for a C type for tetrabytes]) 352: ac_cv_tetrabyte_type_cell=none 353: case 4 in 354: $ac_cv_sizeof_int) 355: ac_cv_tetrabyte_type_cell=int 356: ;; 357: $ac_cv_sizeof_short) 358: ac_cv_tetrabyte_type_cell=short 359: ;; 360: $ac_cv_sizeof_char) 361: ac_cv_tetrabyte_type_cell=char 362: ;; 363: $ac_cv_sizeof_long) 364: ac_cv_tetrabyte_type_cell=long 365: ;; 366: $ac_cv_sizeof_long_long) 367: ac_cv_tetrabyte_type_cell="long long" 368: ;; 369: $ac_cv_sizeof_intptr_t) 370: ac_cv_tetrabyte_type_cell="intptr_t" 371: ;; 372: $ac_cv_sizeof_int128_t) 373: ac_cv_tetrabyte_type_cell="int128_t" 374: ;; 375: esac 376: AC_MSG_RESULT($ac_cv_tetrabyte_type_cell) 377: AC_DEFINE_UNQUOTED(TETRABYTE_TYPE,$ac_cv_tetrabyte_type_cell,[an integer type that is 4 bytes long]) 378: 379: AC_MSG_CHECKING([for a C type for double-cells]) 380: ac_cv_int_type_double_cell=none 381: case `expr 2 '*' "$ac_cv_sizeof_char_p"` in 382: $ac_cv_sizeof_short) 383: ac_cv_int_type_double_cell=short 384: ;; 385: $ac_cv_sizeof_int) 386: ac_cv_int_type_double_cell=int 387: ;; 388: $ac_cv_sizeof_long) 389: ac_cv_int_type_double_cell=long 390: ;; 391: $ac_cv_sizeof_long_long) 392: ac_cv_int_type_double_cell="long long" 393: ;; 394: $ac_cv_sizeof_intptr_t) 395: ac_cv_int_type_double_cell="intptr_t" 396: ;; 397: $ac_cv_sizeof_int128_t) 398: ac_cv_int_type_double_cell="int128_t" 399: ;; 400: esac 401: AC_MSG_RESULT($ac_cv_int_type_double_cell) 402: 403: AC_MSG_CHECKING([for a C type for unsigned double-cells]) 404: ac_cv_int_type_double_ucell=none 405: case `expr 2 '*' "$ac_cv_sizeof_char_p"` in 406: $ac_cv_sizeof_short) 407: ac_cv_int_type_double_ucell="unsigned short" 408: ;; 409: $ac_cv_sizeof_int) 410: ac_cv_int_type_double_ucell="unsigned int" 411: ;; 412: $ac_cv_sizeof_long) 413: ac_cv_int_type_double_ucell="unsigned long" 414: ;; 415: $ac_cv_sizeof_long_long) 416: ac_cv_int_type_double_ucell="unsigned long long" 417: ;; 418: $ac_cv_sizeof_intptr_t) 419: ac_cv_int_type_double_ucell="unsigned intptr_t" 420: ;; 421: $ac_cv_sizeof_uint128_t) 422: ac_cv_int_type_double_ucell="uint128_t" 423: ;; 424: esac 425: AC_MSG_RESULT($ac_cv_int_type_double_ucell) 426: 427: if test "$ac_cv_int_type_double_cell" = none || \ 428: test "$ac_cv_int_type_double_ucell" = none 429: then 430: AC_MSG_WARN([Emulating double-cell arithmetic. This may be slow.]) 431: AC_LIBOBJ(dblsub) 432: AC_DEFINE(BUGGY_LONG_LONG,,[define this if there is no working DOUBLE_CELL_TYPE on your machine]) 433: else 434: AC_DEFINE_UNQUOTED(DOUBLE_CELL_TYPE,$ac_cv_int_type_double_cell,[an integer type that is twice as long as a pointer]) 435: AC_DEFINE_UNQUOTED(DOUBLE_UCELL_TYPE,$ac_cv_int_type_double_ucell,[an unsigned integer type that is twice as long as a pointer]) 436: fi 437: 438: AC_TYPE_OFF_T 439: AC_CHECK_SIZEOF(off_t) 440: test $ac_cv_sizeof_off_t -gt $ac_cv_sizeof_char_p 441: ac_small_off_t=$? 442: AC_DEFINE_UNQUOTED(SMALL_OFF_T,$ac_small_off_t,[1 if off_t fits in a Cell]) 443: 444: ENGINE_FLAGS= 445: AC_SUBST(ENGINE_FLAGS) 446: 447: # Try if GCC understands -fno-gcse 448: 449: AC_MSG_CHECKING([if $CC understands -fno-gcse]) 450: CFLAGS_1="$CFLAGS" 451: CFLAGS="$CFLAGS -fno-gcse" 452: AC_TRY_COMPILE(,,ac_nogcse=yes;ENGINE_FLAGS="$ENGINE_FLAGS -fno-gcse",ac_nogcse=no) 453: CFLAGS="$CFLAGS_1" 454: AC_MSG_RESULT($ac_nogcse) 455: 456: # Try if GCC understands -fno-strict-aliasing 457: AC_MSG_CHECKING([if $CC understands -fno-strict-aliasing]) 458: CFLAGS_1="$CFLAGS" 459: CFLAGS="$CFLAGS -fno-strict-aliasing" 460: AC_TRY_COMPILE(,,ac_nostrictaliasing=yes;ENGINE_FLAGS="$ENGINE_FLAGS -fno-strict-aliasing",ac_nostrictaliasing=no) 461: CFLAGS="$CFLAGS_1" 462: AC_MSG_RESULT($ac_nostrictaliasing) 463: 464: # Try if GCC understands -fno-crossjumping 465: AC_MSG_CHECKING([if $CC understands -fno-crossjumping]) 466: CFLAGS_1="$CFLAGS" 467: CFLAGS="$CFLAGS -fno-crossjumping" 468: AC_TRY_COMPILE(,,ac_nocrossjumping=yes;ENGINE_FLAGS="$ENGINE_FLAGS -fno-crossjumping",ac_nocrossjumping=no) 469: CFLAGS="$CFLAGS_1" 470: AC_MSG_RESULT($ac_nocrossjumping) 471: 472: # Try if GCC understands -fno-reorder-blocks 473: AC_MSG_CHECKING([if $CC understands -fno-reorder-blocks]) 474: CFLAGS_1="$CFLAGS" 475: CFLAGS="$CFLAGS -fno-reorder-blocks" 476: AC_TRY_COMPILE(,,ac_noreorder_blocks=yes;ENGINE_FLAGS="$ENGINE_FLAGS -fno-reorder-blocks",ac_noreorder_blocks=no) 477: CFLAGS="$CFLAGS_1" 478: AC_MSG_RESULT($ac_noreorder_blocks) 479: 480: # Try if GCC understands __attribute__((unused)) 481: AC_MSG_CHECKING([how to suppress 'unused variable' warnings]) 482: AC_TRY_COMPILE(,[int __attribute__((unused)) foo;], MAYBE_UNUSED='__attribute__((unused))',) 483: AC_DEFINE_UNQUOTED(MAYBE_UNUSED,$MAYBE_UNUSED,[attribute for possibly unused variables]) 484: AC_MSG_RESULT($MAYBE_UNUSED) 485: 486: AC_CHECK_PROG(asm_fs,asm.fs,arch/$machine/asm.fs,,$srcdir/arch/$machine) 487: AC_SUBST(asm_fs) 488: 489: AC_CHECK_PROG(disasm_fs,disasm.fs,arch/$machine/disasm.fs,,$srcdir/arch/$machine) 490: AC_SUBST(disasm_fs) 491: 492: AC_PATH_PROG(INSTALL_INFO,install-info,[echo '>>>>Please make info dir entry:'],$PATH:/sbin:/usr/sbin:/usr/local/sbin) 493: 494: case "$host_os" in 495: *win32|cygwin) 496: DIRSEP="\\\\" 497: PATHSEP=";" 498: #we want the builtins of command.com/cmd.exe and its 499: # handling of .com files. 500: #$COMSPEC contains the name of the Windows shell; 501: # the ./ is there, because the bash does not recognize 502: # absolute DOS filenames 503: DEFAULTSYSTEMPREFIX="./$COMSPEC /c " 504: ;; 505: *darwin*) 506: #Darwin uses some funny preprocessor by default; eliminate it: 507: AC_MSG_NOTICE([using -no-cpp-precomp on Darwin]) 508: CFLAGS="$CFLAGS -no-cpp-precomp" 509: DIRSEP="/" 510: PATHSEP=":" 511: DEFAULTSYSTEMPREFIX="" 512: ;; 513: *) 514: DIRSEP="/" 515: PATHSEP=":" 516: DEFAULTSYSTEMPREFIX="" 517: ;; 518: esac 519: AC_SUBST(DIRSEP) 520: AC_DEFINE_UNQUOTED(DIRSEP,'$DIRSEP',[a directory separator character]) 521: AC_SUBST(PATHSEP) 522: AC_DEFINE_UNQUOTED(PATHSEP,'$PATHSEP',[a path separator character]) 523: AC_SUBST(DEFAULTSYSTEMPREFIX) 524: AC_DEFINE_UNQUOTED(DEFAULTSYSTEMPREFIX,"$DEFAULTSYSTEMPREFIX",[default for environment variable GFORTHSYSTEMPREFIX]) 525: 526: dnl Now a little support for DOS/DJGCC 527: AC_SUBST(GFORTH_EXE) 528: GFORTH_EXE="" 529: AC_SUBST(GFORTHFAST_EXE) 530: GFORTHFAST_EXE="" 531: AC_SUBST(GFORTHITC_EXE) 532: GFORTHITC_EXE="" 533: AC_SUBST(GFORTHDITC_EXE) 534: GFORTHDITC_EXE="" 535: 536: AC_SUBST(FORTHSIZES) 537: 538: dnl if test "$PEEPHOLE" = "yes" 539: dnl then 540: dnl PEEPHOLEFLAG="true" 541: dnl AC_DEFINE(HAS_PEEPHOLE,,[Define if you want to use peephole optimization]) 542: dnl else 543: dnl PEEPHOLEFLAG="false" 544: dnl fi 545: PEEPHOLEFLAG="true" 546: AC_SUBST(PEEPHOLEFLAG) 547: 548: dnl copy commands for systems that don't have links 549: AC_SUBST(LINK_KERNL) 550: LINK_KERNL="" 551: 552: #if test $host_os=dos 553: #then 554: # echo Configuring for DOS!!! 555: # MAKE_EXE="coff2exe gforth" 556: # LINK_KERNL='$(CP) kernl32l.fi kernel.fi' 557: #fi 558: 559: dnl the following macro produces a warning with autoconf-2.1 560: AC_C_BIGENDIAN 561: AC_SUBST(KERNEL) 562: dnl ac_cv_c_bigendian is an undocumented variable of autoconf-2.1 563: if test $ac_cv_c_bigendian = yes; then 564: bytesex=b 565: KERNEL="kernl16b.fi kernl16l.fi kernl32b.fi kernl32l.fi kernl64b.fi kernl64l.fi" 566: else 567: bytesex=l 568: KERNEL="kernl16l.fi kernl16b.fi kernl32l.fi kernl32b.fi kernl64l.fi kernl64b.fi" 569: fi 570: 571: #check how to do asm(".skip 16") 572: echo "CFLAGS=$CFLAGS" 573: echo "ac_link=$ac_link" 574: AC_MSG_CHECKING([if and how we can waste code space]) 575: if test -z "$skipcode"; then 576: skipcode=no 577: CFLAGS_1="$CFLAGS" 578: CFLAGS="$CFLAGS $ENGINE_FLAGS" 579: for i in ".skip 16" ".block 16" ".org .+16" ".=.+16" ".space 16" 580: do 581: AC_TRY_RUN( 582: [int foo(int,int,int); 583: main() 584: { 585: exit(foo(0,0,0)!=16); 586: } 587: int foo(int x, int y, int z) 588: { 589: static void *labels[]={&&label1, &&label2}; 590: if (x) { 591: y++; /* workaround for http://gcc.gnu.org/bugzilla/show_bug.cgi?id=12108 */ 592: label1: 593: asm("$i"); /* or ".space 16" or somesuch */ 594: label2: ; 595: } 596: { 597: if (y) goto *labels[z]; /* workaround for gcc PR12108 */ 598: return labels[1]-labels[0]; 599: } 600: }] 601: ,skipcode=$i; break 602: ,,) 603: done 604: CFLAGS=$CFLAGS_1 605: fi 606: AC_MSG_RESULT($skipcode) 607: if test "$skipcode" = no 608: then 609: if test -z $no_dynamic_default; then 610: no_dynamic_default=1 611: AC_MSG_WARN(Disabling default dynamic native code generation) 612: fi 613: AC_DEFINE_UNQUOTED(SKIP16,((void)0),statement for skipping 16 bytes) 614: else 615: AC_DEFINE_UNQUOTED(SKIP16,asm("$skipcode"),statement for skipping 16 bytes) 616: fi 617: 618: test "$no_dynamic_default" || no_dynamic_default=0 619: AC_DEFINE_UNQUOTED(NO_DYNAMIC_DEFAULT,$no_dynamic_default,default value for no_dynamic) 620: 621: dnl Checks for programs. 622: AC_PROG_LN_S 623: AC_PROG_INSTALL 624: 625: dnl Checks for library functions 626: dnl This check is just for making later checks link with libm. 627: dnl using sin here is no good idea since it is built-into gcc and typechecked 628: AC_CHECK_LIB(m,asin) 629: AC_CHECK_LIB(dl,dlopen) 630: dnl check for libffi 2.x 631: AC_CHECK_LIB(ffi,ffi_call) 632: if test $ac_cv_lib_ffi_ffi_call = yes 633: then 634: LIBFFIFLAG="true" 635: FFCALLFLAG="false" 636: OLDCALLFLAG="false" 637: AC_DEFINE(HAS_LIBFFI,,[define this if you want to use the ffcall interface with libffi 2.0]) 638: else 639: dnl check for ffcall libraries 640: dnl unfortunately, these four calls are separated out into a library each. 641: AC_CHECK_LIB(avcall,__builtin_avcall) 642: AC_CHECK_LIB(callback,__vacall_r) 643: AC_CHECK_LIB(vacall,vacall) 644: AC_CHECK_LIB(trampoline,alloc_trampoline) 645: LIBFFIFLAG="false" 646: FFCALLFLAG="false" 647: OLDCALLFLAG="true" 648: test $ac_cv_lib_avcall___builtin_avcall = yes && FFCALLFLAG="true" && OLDCALLFLAG="false" && AC_DEFINE(HAS_FFCALL,,[define this if you want to use the ffcall libraries]) 649: test $ac_cv_lib_avcall___builtin_avcall = no && AC_DEFINE(HAS_OLDCALL,,[define this if you want to use the old call libraries]) 650: fi 651: AC_SUBST(LIBFFIFLAG) 652: AC_SUBST(FFCALLFLAG) 653: AC_SUBST(OLDCALLFLAG) 654: if test "$host_os" != "nextstep3" 655: then 656: AC_FUNC_MEMCMP 657: fi 658: AC_REPLACE_FUNCS(memmove strtoul pow10 strerror strsignal atanh) 659: AC_FUNC_FSEEKO 660: AC_CHECK_FUNCS(ftello dlopen sys_siglist getrusage) 661: AC_CHECK_TYPES(stack_t,,,[#include <signal.h>]) 662: AC_DECL_SYS_SIGLIST 663: AC_CHECK_FUNC(getopt_long,[true],[AC_LIBOBJ(getopt) AC_LIBOBJ(getopt1)]) 664: AC_CHECK_FUNCS(expm1 log1p) 665: AC_REPLACE_FUNCS(rint ecvt) 666: dnl No check for select, because our replacement is no good under 667: dnl anything but DOS 668: AC_CHECK_HEADERS(sys/mman.h fnmatch.h) 669: AC_FUNC_FNMATCH 670: test $ac_cv_func_fnmatch_works = yes || AC_LIBOBJ(fnmatch) 671: AC_CHECK_FUNCS(mmap sysconf getpagesize) 672: AM_PATH_LISPDIR 673: 674: kernel_fi=kernl${wordsize}${bytesex}.fi 675: AC_SUBST(kernel_fi) 676: 677: #this breaks bindists 678: #dnl replace srource directory by absolute value 679: #if test $srcdir = "."; then srcdir=`pwd` 680: #fi 681: 682: AC_SUBST(machine) 683: AC_CONFIG_FILES([ 684: Makefile 685: Makedist 686: gforthmi 687: vmgen 688: machpc.fs 689: engine/Makefile 690: doc/version.texi ]) 691: AC_CONFIG_COMMANDS([stamp-h],[[echo timestamp > stamp-h 692: chmod +x gforthmi 693: chmod +x vmgen 694: test -d kernel||mkdir kernel]],[[]]) 695: AC_OUTPUT 696: