Annotation of gforth/configure.in, revision 1.150
1.1 anton 1: dnl Process this file with autoconf to produce a configure script.
1.20 anton 2:
1.143 anton 3: #Copyright (C) 1995,1996,1997,1998,2000,2003,2004 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
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
1.74 anton 19: #Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA.
1.20 anton 20:
1.121 anton 21:
1.34 anton 22: dnl We use some automake macros here,
23: dnl but don't use automake for creating Makefile.in
1.136 anton 24: AC_INIT([gforth],[0.6.2-20030910],[https://savannah.gnu.org/bugs/?func=addbug&group=gforth])
1.113 anton 25: AC_PREREQ(2.54)
1.47 anton 26: #snapshots have numbers major.minor.release-YYYYMMDD
1.92 anton 27: #note that lexicographic ordering must be heeded.
1.47 anton 28: #I.e., 0.4.1-YYYYMMDD must not exist before 0.4.1!
1.136 anton 29: UPDATED="September 10, 2003"
1.84 anton 30: AC_SUBST(UPDATED)
1.94 anton 31: AC_CONFIG_HEADERS(engine/config.h)
1.14 anton 32:
1.121 anton 33: #suppress the "-g -O2" default
34: test "$CFLAGS" || CFLAGS=-O2
35:
1.1 anton 36: AC_ARG_ENABLE(force-reg,
1.149 anton 37: AC_HELP_STRING([--enable-force-reg],
38: [ Use explicit register declarations if they appear in
1.1 anton 39: the machine.h file. This can cause a good speedup,
40: but also incorrect code with some gcc versions on
1.149 anton 41: some processors (default disabled).]),
42: ,enable_force_reg=no)
43: test "$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:
1.145 pazsan 46: AC_ARG_ENABLE(force-ll,
1.149 anton 47: AC_HELP_STRING([--enable-force-ll],
48: [ Use explicit long long declarations if they appear in
1.145 pazsan 49: the machine.h file. This can cause a good speedup,
50: but also incorrect code with some gcc versions on
1.149 anton 51: some processors (default disabled).]),
52: ,enable_force_ll=no)
53: test "$enable_force_ll" = "no"||
54: AC_DEFINE(FORCE_LL,,[Define if you want to use explicit long long declarations for better performance (does not work with all GCC versions on all machines)])
1.147 anton 55:
56: AC_ARG_ENABLE(gcc-pr15242-workaround,
57: AC_HELP_STRING([--disable-gcc-pr15242-workaround],[Disables
58: dynamic code generation on some versions of gcc
59: (slowdown~2 on Athlon) and causes slower building
60: of gforth (but gforth speedups) on others.
61: (default enabled)]),
62: ,enable_gcc_pr15242_workaround=yes)
63: test "$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:
1.150 ! pazsan 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 "$enable_force_cdiv" = "no"||
! 73: AC_DEFINE(FORCE_CDIV,,[Define if you want to use explicit symmetric division for better performance])
! 74:
1.149 anton 75: AC_SUBST(PROFEXES)
76: AC_SUBST(PROFOBJS)
1.135 anton 77: AC_ARG_ENABLE(prof,
1.149 anton 78: AC_HELP_STRING([--enable-prof],
79: [ Build gforth-prof, which outputs frequently occuring
80: sequences of primitives.]),
81: ,enable_prof=no)
82: if test "$enable_prof" = "no"; then
83: PROFEXES="gforth-prof\$(EXE)"; PROFOBJS="engine-prof.o main-prof.o profile.o"
84: fi
1.1 anton 85:
1.9 pazsan 86: AC_ARG_WITH(debug,
1.122 pazsan 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.],
1.9 pazsan 91: if test "$withval" = "yes"; then DEBUGFLAG=-g; fi)
1.122 pazsan 92:
1.104 anton 93: dnl PEEPHOLE="yes"
94: dnl AC_ARG_WITH(peephole,
95: dnl [ --with-peephole Enable peephole optimization (default)
96: dnl --without-peephole disables peephole optimization. Creates smaller,
97: dnl but slower images.],
98: dnl PEEPHOLE="$withval")
99:
100: #variables mentioned in INSTALL
1.123 anton 101: AC_ARG_VAR(CC, [The C compiler (must support GNU C 2.x); gcc-2.95 recommended.])
1.104 anton 102: AC_ARG_VAR(FORTHSIZES, [Gforth command line options for the default stack and dictionary sizes (see INSTALL).])
103: AC_ARG_VAR(ac_cv_sizeof_char_p, [sizeof(char *)])
104: AC_ARG_VAR(ac_cv_sizeof_char, [sizeof(char)])
105: AC_ARG_VAR(ac_cv_sizeof_short, [sizeof(short)])
106: AC_ARG_VAR(ac_cv_sizeof_int, [sizeof(int)])
107: AC_ARG_VAR(ac_cv_sizeof_long, [sizeof(long)])
108: AC_ARG_VAR(ac_cv_sizeof_long_long, [sizeof(long long)])
109: AC_ARG_VAR(ac_cv_sizeof_intptr_t, [sizeof(intptr_t)])
110: AC_ARG_VAR(ac_cv_sizeof_int128_t, [sizeof(int128_t)])
1.144 pazsan 111: AC_ARG_VAR(ac_cv_sizeof_uint128_t, [sizeof(uint128_t)])
1.123 anton 112: AC_ARG_VAR(ac_cv_c_bigendian, [Is the target big-endian ("yes" or "no")?])
113: AC_ARG_VAR(no_dynamic_default, [run gforth with --dynamic (0) or --no-dynamic (1) by default])
1.136 anton 114: AC_ARG_VAR(skip_code, [assembly code for skipping 16 bytes of code])
1.82 anton 115:
1.96 anton 116: #set up feature test macros, so the tests get them right:
117: # turn on all POSIX, SUSv3, and GNU features if available
1.97 anton 118: AC_GNU_SOURCE
119: dnl AC_DEFINE_UNQUOTED([_GNU_SOURCE],1,[feature test macro])
120:
121: dnl Don't define _POSIX_SOURCE etc. because some OSs (in particular
122: dnl MacOSX) disable some features then (MacOSX checks for _POSIX_SOURCE,
123: dnl but not for _XOPEN_SOURCE)
124: dnl AC_DEFINE_UNQUOTED([_POSIX_SOURCE],1,[feature test macro])
125: dnl AC_DEFINE_UNQUOTED([_POSIX_C_SOURCE],199506L,[feature test macro])
126: dnl AC_DEFINE_UNQUOTED([_XOPEN_SOURCE],600,[feature test macro])
1.96 anton 127: # turn on large file support with 64-bit off_t where available
1.105 anton 128: AC_SYS_LARGEFILE
129: dnl AC_DEFINE_UNQUOTED([_LARGEFILE_SOURCE],1,[feature test macro])
130: dnl AC_DEFINE_UNQUOTED([_FILE_OFFSET_BITS],64,[feature test macro])
1.96 anton 131:
1.82 anton 132: #currently we force direct threading this way. Eventually we should
133: #setup in the arch and engine files right
1.16 anton 134:
1.15 pazsan 135: AC_PROG_CC
136:
1.92 anton 137: test "$GCC" = "yes" || AC_MSG_ERROR(Gforth uses GNU C extensions and requires GCC 2.0 or higher)
1.9 pazsan 138:
1.15 pazsan 139: AC_SUBST(CC)
1.9 pazsan 140: AC_SUBST(DEBUGFLAG)
1.7 anton 141:
1.128 pazsan 142: AC_MSG_CHECKING(make type)
143: make_type=`make -v 2>&1|grep 'ake version'|sed 's/ version .*//'`
144:
145: GNUMAKE='#'
146: test "$make_type" = "GNU Make" && GNUMAKE=''
147:
148: AC_MSG_RESULT($make_type)
149:
150: AC_SUBST(GNUMAKE)
151:
1.50 jwilke 152: AC_MSG_CHECKING([whether the linker accepts -export-dynamic])
153: OLDLDFLAGS=$LDFLAGS
154: LDFLAGS="$LDFLAGS -export-dynamic"
1.69 anton 155: dnl AC_TRY_LINK gives false positive on rs6000-ibm-aix4.2.1.0
156: dnl AC_TRY_LINK(,,ac_export_dynamic=yes,ac_export_dynamic=no)
157: AC_TRY_RUN(main(){exit(0);},ac_export_dynamic=yes,ac_export_dynamic=no,ac_export_dynamic=no)
1.50 jwilke 158: test $ac_export_dynamic = yes|| LDFLAGS=$OLDLDFLAGS
159: AC_MSG_RESULT($ac_export_dynamic)
160:
1.1 anton 161: #terminology is a bit unusual here: The host is the system on which
162: #gforth will run; the system on which configure will run is the `build'
163: AC_CANONICAL_HOST
164: case "$host_cpu" in
1.136 anton 165: arm*)
166: machine=arm
167: CFLAGS="$CFLAGS -fomit-frame-pointer"
168: if test -z $no_dynamic_default; then
169: no_dynamic_default=1
170: AC_MSG_WARN([No I-cache flush code known, disabling dynamic native code generation])
171: fi
172: ;;
1.1 anton 173: hppa*)
1.34 anton 174: machine=hppa
1.46 anton 175: $srcdir/mkinstalldirs arch/hppa
1.87 pazsan 176: AC_LIBOBJ(../arch/hppa/cache)
1.134 anton 177: #-N needed for --dynamic <M4U3b.3790$9d.317@news.cpqcorp.net>
178: LDFLAGS="$LDFLAGS -Xlinker -N"
1.47 anton 179: LIBS="$LIBS -L/lib/pa1.1/"
1.1 anton 180: ;;
181: sparc*)
1.34 anton 182: machine=sparc
1.1 anton 183: ;;
1.31 anton 184: i386)
1.34 anton 185: machine=386
1.16 anton 186: CFLAGS="$CFLAGS -fomit-frame-pointer -fforce-addr -fforce-mem"
1.31 anton 187: ;;
188: i486)
1.34 anton 189: machine=386
1.31 anton 190: CFLAGS="$CFLAGS -fomit-frame-pointer -fforce-addr -fforce-mem -m486"
191: ;;
1.77 anton 192: i*86)
1.34 anton 193: machine=386
1.55 anton 194: CFLAGS="$CFLAGS -fomit-frame-pointer -fforce-addr -fforce-mem"
1.56 pazsan 195: CFLAGS_1="$CFLAGS"
1.87 pazsan 196: CFLAGS="$CFLAGS -march=pentium"
1.56 pazsan 197: AC_TRY_COMPILE(,,,CFLAGS="$CFLAGS_1 -m486")
1.1 anton 198: ;;
1.133 anton 199: x86_64)
200: machine=amd64
201: ;;
1.136 anton 202: ia64*)
203: machine=ia64
204: AC_LIBOBJ(../arch/ia64/flush_icache_block)
205: test "$skipcode" || skipcode="nop.i 0"
206: #".skip 16" passes the test below,
207: # but gives an assembler error in engine
208: ;;
1.26 pazsan 209: m68k)
1.34 anton 210: machine=m68k
1.32 pazsan 211: CFLAGS="$CFLAGS -fomit-frame-pointer"
212: if test "$host_os" = "nextstep3"
213: then
1.87 pazsan 214: AC_LIBOBJ(termios)
1.32 pazsan 215: fi
1.26 pazsan 216: ;;
1.1 anton 217: mips*)
1.34 anton 218: machine=mips
1.92 anton 219: #dynamic native code has the following problems on MIPS:
220: #
221: #1) J/JAL seems relocatable, but is are only
222: #relocatable within a 256MB-segment. While we try to
223: #get the linker to arrange this, there is no guarantee
224: #that this will succeed (and if the user uses a lot of
225: #memory, it is likely to fail).
226: #
227: #2) The way we generate dynamic native code may
228: #violate MIPS architectural restrictions (in
229: #particular, the delay slots of LW, MFLO, etc.)
230: #
231: #Therefore we disable dynamic native code by default:
1.136 anton 232: if test -z $no_dynamic_default; then
233: no_dynamic_default=1
234: AC_MSG_WARN([Disabling default dynamic native code generation (relocation and delay slot issues)])
235: fi
1.1 anton 236: ;;
1.9 pazsan 237: alpha*)
1.34 anton 238: machine=alpha
1.58 anton 239: #full IEEE FP support for more uniformity across platforms:
240: CFLAGS="$CFLAGS -mieee"
1.9 pazsan 241: ;;
1.69 anton 242: power*|rs6000)
1.34 anton 243: machine=power
1.46 anton 244: $srcdir/mkinstalldirs arch/power
1.138 anton 245: AC_CHECK_FUNC(_sync_cache_range,[true],[AC_LIBOBJ(../arch/power/_sync_cache_range)])
1.103 anton 246: #long long is broken on (at least) gcc-2.95.* for PPC
1.104 anton 247: test x$ac_cv_sizeof_long_long = x && ac_cv_sizeof_long_long=0
1.31 anton 248: ;;
1.1 anton 249: *)
1.92 anton 250: AC_MSG_WARN([Using a generic machine description])
251: AC_MSG_WARN([Assuming C floats and doubles are IEEE floats and doubles (for SF@ DF@ SF! DF!)])
252: AC_MSG_WARN([FLUSH-ICACHE will do nothing, so END-CODE may not work properly!])
1.34 anton 253: machine=generic
1.97 anton 254: #I-cache flushing would be needed for dynamic code generation
1.136 anton 255: if test -z $no_dynamic_default; then
256: no_dynamic_default=1
257: AC_MSG_WARN([No I-cache flush code known, disabling dynamic native code generation])
258: fi
1.1 anton 259: esac
1.10 anton 260: AC_SUBST(host)
1.146 pazsan 261:
262: if test "${enable_force_ll+set}" = set; then
263: ac_includes_default="$ac_includes_default
264: #include \"arch/generic/128bit.h\""
265: fi
1.103 anton 266:
267: dnl the following macro produces a warning with autoconf-2.1
268: AC_CHECK_SIZEOF(char *)
269: case "$ac_cv_sizeof_char_p" in
270: 2)
271: wordsize=16
272: ;;
273: 4)
274: wordsize=32
275: ;;
276: 8)
277: wordsize=64
278: ;;
279: esac
280:
281: AC_CHECK_SIZEOF(char)
282: AC_CHECK_SIZEOF(short)
283: AC_CHECK_SIZEOF(int)
284: AC_CHECK_SIZEOF(long)
285: AC_CHECK_SIZEOF(long long)
286: AC_CHECK_SIZEOF(intptr_t)
287: AC_CHECK_SIZEOF(int128_t)
1.144 pazsan 288: AC_CHECK_SIZEOF(uint128_t)
1.103 anton 289:
290: AC_MSG_CHECKING([for a C type for cells])
291: ac_cv_int_type_cell=none
292: case "$ac_cv_sizeof_char_p" in
293: $ac_cv_sizeof_int)
294: ac_cv_int_type_cell=int
295: ;;
296: $ac_cv_sizeof_short)
297: ac_cv_int_type_cell=short
298: ;;
299: $ac_cv_sizeof_char)
300: ac_cv_int_type_cell=char
301: ;;
302: $ac_cv_sizeof_long)
303: ac_cv_int_type_cell=long
304: ;;
305: $ac_cv_sizeof_long_long)
306: ac_cv_int_type_cell="long long"
307: ;;
308: $ac_cv_sizeof_intptr_t)
309: ac_cv_int_type_cell="intptr_t"
310: ;;
311: $ac_cv_sizeof_int128_t)
312: ac_cv_int_type_cell="int128_t"
313: ;;
314: esac
315: AC_MSG_RESULT($ac_cv_int_type_cell)
316: AC_DEFINE_UNQUOTED(CELL_TYPE,$ac_cv_int_type_cell,[an integer type that is as long as a pointer])
317:
318: AC_MSG_CHECKING([for a C type for double-cells])
319: ac_cv_int_type_double_cell=none
320: case `expr 2 '*' "$ac_cv_sizeof_char_p"` in
321: $ac_cv_sizeof_short)
322: ac_cv_int_type_double_cell=short
323: ;;
324: $ac_cv_sizeof_int)
325: ac_cv_int_type_double_cell=int
326: ;;
327: $ac_cv_sizeof_long)
328: ac_cv_int_type_double_cell=long
329: ;;
330: $ac_cv_sizeof_long_long)
331: ac_cv_int_type_double_cell="long long"
332: ;;
333: $ac_cv_sizeof_intptr_t)
334: ac_cv_int_type_double_cell="intptr_t"
335: ;;
336: $ac_cv_sizeof_int128_t)
337: ac_cv_int_type_double_cell="int128_t"
338: ;;
339: esac
340: AC_MSG_RESULT($ac_cv_int_type_double_cell)
1.144 pazsan 341:
342: AC_MSG_CHECKING([for a C type for unsigned double-cells])
343: ac_cv_int_type_double_ucell=none
344: case `expr 2 '*' "$ac_cv_sizeof_char_p"` in
345: $ac_cv_sizeof_short)
346: ac_cv_int_type_double_ucell="unsigned short"
347: ;;
348: $ac_cv_sizeof_int)
349: ac_cv_int_type_double_ucell="unsigned int"
350: ;;
351: $ac_cv_sizeof_long)
352: ac_cv_int_type_double_ucell="unsigned long"
353: ;;
354: $ac_cv_sizeof_long_long)
355: ac_cv_int_type_double_ucell="unsigned long long"
356: ;;
357: $ac_cv_sizeof_intptr_t)
358: ac_cv_int_type_double_ucell="unsigned intptr_t"
359: ;;
360: $ac_cv_sizeof_uint128_t)
361: ac_cv_int_type_double_ucell="uint128_t"
362: ;;
363: esac
364: AC_MSG_RESULT($ac_cv_int_type_double_ucell)
365:
366: if test "$ac_cv_int_type_double_cell" = none || \
367: test "$ac_cv_int_type_double_ucell" = none
368: then
1.103 anton 369: AC_MSG_WARN([Emulating double-cell arithmetic. This may be slow.])
370: AC_LIBOBJ(dblsub)
371: AC_DEFINE(BUGGY_LONG_LONG,,[define this if there is no working DOUBLE_CELL_TYPE on your machine])
372: else
373: AC_DEFINE_UNQUOTED(DOUBLE_CELL_TYPE,$ac_cv_int_type_double_cell,[an integer type that is twice as long as a pointer])
1.144 pazsan 374: AC_DEFINE_UNQUOTED(DOUBLE_UCELL_TYPE,$ac_cv_int_type_double_ucell,[an unsigned integer type that is twice as long as a pointer])
1.103 anton 375: fi
376:
377: AC_TYPE_OFF_T
378: AC_CHECK_SIZEOF(off_t)
379: test $ac_cv_sizeof_off_t -gt $ac_cv_sizeof_char_p
380: ac_small_off_t=$?
381: AC_DEFINE_UNQUOTED(SMALL_OFF_T,$ac_small_off_t,[1 if off_t fits in a Cell])
1.1 anton 382:
1.109 anton 383: ENGINE_FLAGS=
384: AC_SUBST(ENGINE_FLAGS)
385:
386: # Try if GCC understands -fno-gcse
387:
388: AC_MSG_CHECKING([if $CC understands -fno-gcse])
389: CFLAGS_1="$CFLAGS"
390: CFLAGS="$CFLAGS -fno-gcse"
391: AC_TRY_COMPILE(,,ac_nogcse=yes;ENGINE_FLAGS="$ENGINE_FLAGS -fno-gcse",ac_nogcse=no)
392: CFLAGS="$CFLAGS_1"
393: AC_MSG_RESULT($ac_nogcse)
394:
395: # Try if GCC understands -fno-strict-aliasing
396: AC_MSG_CHECKING([if $CC understands -fno-strict-aliasing])
397: CFLAGS_1="$CFLAGS"
398: CFLAGS="$CFLAGS -fno-strict-aliasing"
399: AC_TRY_COMPILE(,,ac_nostrictaliasing=yes;ENGINE_FLAGS="$ENGINE_FLAGS -fno-strict-aliasing",ac_nostrictaliasing=no)
400: CFLAGS="$CFLAGS_1"
401: AC_MSG_RESULT($ac_nostrictaliasing)
402:
1.123 anton 403: # Try if GCC understands -fno-crossjumping
404: AC_MSG_CHECKING([if $CC understands -fno-crossjumping])
1.88 pazsan 405: CFLAGS_1="$CFLAGS"
1.123 anton 406: CFLAGS="$CFLAGS -fno-crossjumping"
1.125 anton 407: AC_TRY_COMPILE(,,ac_nocrossjumping=yes;ENGINE_FLAGS="$ENGINE_FLAGS -fno-crossjumping",ac_nocrossjumping=no)
1.109 anton 408: CFLAGS="$CFLAGS_1"
1.124 pazsan 409: AC_MSG_RESULT($ac_nocrossjumping)
1.88 pazsan 410:
1.137 pazsan 411: # Try if GCC understands -fno-reorder-blocks
412: AC_MSG_CHECKING([if $CC understands -fno-reorder-blocks])
413: CFLAGS_1="$CFLAGS"
414: CFLAGS="$CFLAGS -fno-reorder-blocks"
415: AC_TRY_COMPILE(,,ac_noreorder_blocks=yes;ENGINE_FLAGS="$ENGINE_FLAGS -fno-reorder-blocks",ac_noreorder_blocks=no)
416: CFLAGS="$CFLAGS_1"
417: AC_MSG_RESULT($ac_noreorder_blocks)
418:
1.130 anton 419: # Try if GCC understands __attribute__((unused))
420: AC_MSG_CHECKING([how to suppress 'unused variable' warnings])
421: AC_TRY_COMPILE(,[int __attribute__((unused)) foo;], MAYBE_UNUSED='__attribute__((unused))',)
422: AC_DEFINE_UNQUOTED(MAYBE_UNUSED,$MAYBE_UNUSED,[attribute for possibly unused variables])
423: AC_MSG_RESULT($MAYBE_UNUSED)
424:
1.66 anton 425: AC_CHECK_PROG(asm_fs,asm.fs,arch/$machine/asm.fs,,$srcdir/arch/$machine)
1.61 anton 426: AC_SUBST(asm_fs)
427:
1.66 anton 428: AC_CHECK_PROG(disasm_fs,disasm.fs,arch/$machine/disasm.fs,,$srcdir/arch/$machine)
1.61 anton 429: AC_SUBST(disasm_fs)
430:
1.116 anton 431: AC_PATH_PROG(INSTALL_INFO,install-info,[echo '>>>>Please make info dir entry:'],$PATH:/sbin:/usr/sbin:/usr/local/sbin)
1.114 anton 432:
1.39 pazsan 433: case "$host_os" in
1.107 anton 434: *win32|cygwin)
1.108 anton 435: DIRSEP="\\\\"
1.127 anton 436: PATHSEP=";"
1.142 anton 437: #we want the builtins of command.com/cmd.exe and its
438: # handling of .com files.
439: #$COMSPEC contains the name of the Windows shell;
440: # the ./ is there, because the bash does not recognize
441: # absolute DOS filenames
442: DEFAULTSYSTEMPREFIX="./$COMSPEC /c "
1.39 pazsan 443: ;;
1.97 anton 444: *darwin*)
445: #Darwin uses some funny preprocessor by default; eliminate it:
1.127 anton 446: AC_MSG_NOTICE([using -no-cpp-precomp on Darwin])
1.120 anton 447: CFLAGS="$CFLAGS -no-cpp-precomp"
1.98 anton 448: DIRSEP="/"
1.127 anton 449: PATHSEP=":"
1.141 anton 450: DEFAULTSYSTEMPREFIX=""
1.98 anton 451: ;;
1.39 pazsan 452: *)
1.88 pazsan 453: DIRSEP="/"
1.127 anton 454: PATHSEP=":"
1.141 anton 455: DEFAULTSYSTEMPREFIX=""
1.39 pazsan 456: ;;
457: esac
1.88 pazsan 458: AC_SUBST(DIRSEP)
1.89 pazsan 459: AC_DEFINE_UNQUOTED(DIRSEP,'$DIRSEP',[a directory separator character])
1.127 anton 460: AC_SUBST(PATHSEP)
461: AC_DEFINE_UNQUOTED(PATHSEP,'$PATHSEP',[a path separator character])
1.141 anton 462: AC_SUBST(DEFAULTSYSTEMPREFIX)
463: AC_DEFINE_UNQUOTED(DEFAULTSYSTEMPREFIX,"$DEFAULTSYSTEMPREFIX",[default for environment variable GFORTHSYSTEMPREFIX])
1.39 pazsan 464:
1.1 anton 465: dnl Now a little support for DOS/DJGCC
1.30 pazsan 466: AC_SUBST(GFORTH_EXE)
467: GFORTH_EXE=""
1.48 anton 468: AC_SUBST(GFORTHFAST_EXE)
469: GFORTHFAST_EXE=""
1.83 anton 470: AC_SUBST(GFORTHITC_EXE)
471: GFORTHITC_EXE=""
1.30 pazsan 472: AC_SUBST(GFORTHDITC_EXE)
473: GFORTHDITC_EXE=""
1.27 anton 474:
475: AC_SUBST(FORTHSIZES)
1.24 anton 476:
1.104 anton 477: dnl if test "$PEEPHOLE" = "yes"
478: dnl then
479: dnl PEEPHOLEFLAG="true"
480: dnl AC_DEFINE(HAS_PEEPHOLE,,[Define if you want to use peephole optimization])
481: dnl else
482: dnl PEEPHOLEFLAG="false"
483: dnl fi
484: PEEPHOLEFLAG="true"
1.79 pazsan 485: AC_SUBST(PEEPHOLEFLAG)
486:
1.1 anton 487: dnl copy commands for systems that don't have links
1.29 pazsan 488: AC_SUBST(LINK_KERNL)
489: LINK_KERNL=""
1.1 anton 490:
491: #if test $host_os=dos
492: #then
493: # echo Configuring for DOS!!!
494: # MAKE_EXE="coff2exe gforth"
1.29 pazsan 495: # LINK_KERNL='$(CP) kernl32l.fi kernel.fi'
1.1 anton 496: #fi
497:
498: dnl the following macro produces a warning with autoconf-2.1
499: AC_C_BIGENDIAN
1.23 pazsan 500: AC_SUBST(KERNEL)
1.1 anton 501: dnl ac_cv_c_bigendian is an undocumented variable of autoconf-2.1
502: if test $ac_cv_c_bigendian = yes; then
503: bytesex=b
1.23 pazsan 504: KERNEL="kernl16b.fi kernl16l.fi kernl32b.fi kernl32l.fi kernl64b.fi kernl64l.fi"
1.1 anton 505: else
506: bytesex=l
1.23 pazsan 507: KERNEL="kernl16l.fi kernl16b.fi kernl32l.fi kernl32b.fi kernl64l.fi kernl64b.fi"
1.1 anton 508: fi
509:
1.91 anton 510: #check how to do asm(".skip 16")
1.148 anton 511: echo "CFLAGS=$CFLAGS"
512: echo "ac_link=$ac_link"
1.92 anton 513: AC_MSG_CHECKING([if and how we can waste code space])
1.136 anton 514: if test -z "$skipcode"; then
1.148 anton 515: skipcode=no
516: CFLAGS_1="$CFLAGS"
517: CFLAGS="$CFLAGS $ENGINE_FLAGS"
1.136 anton 518: for i in ".skip 16" ".block 16" ".org .+16" ".=.+16" ".space 16"
519: do
1.91 anton 520: AC_TRY_RUN(
1.136 anton 521: [int foo(int,int,int);
1.91 anton 522: main()
523: {
1.136 anton 524: exit(foo(0,0,0)!=16);
1.91 anton 525: }
1.136 anton 526: int foo(int x, int y, int z)
1.91 anton 527: {
1.136 anton 528: static void *labels[]={&&label1, &&label2};
1.91 anton 529: if (x) {
1.136 anton 530: y++; /* workaround for http://gcc.gnu.org/bugzilla/show_bug.cgi?id=12108 */
1.91 anton 531: label1:
1.148 anton 532: asm("$i"); /* or ".space 16" or somesuch */
1.136 anton 533: label2: ;
534: }
535: {
536: if (y) goto *labels[z]; /* workaround for gcc PR12108 */
537: return labels[1]-labels[0];
1.91 anton 538: }
1.136 anton 539: }]
1.92 anton 540: ,skipcode=$i; break
541: ,,)
1.136 anton 542: done
1.148 anton 543: CFLAGS=$CFLAGS_1
1.136 anton 544: fi
1.92 anton 545: AC_MSG_RESULT($skipcode)
546: if test "$skipcode" = no
547: then
1.136 anton 548: if test -z $no_dynamic_default; then
549: no_dynamic_default=1
550: AC_MSG_WARN(Disabling default dynamic native code generation)
551: fi
1.92 anton 552: AC_DEFINE_UNQUOTED(SKIP16,((void)0),statement for skipping 16 bytes)
553: else
554: AC_DEFINE_UNQUOTED(SKIP16,asm("$skipcode"),statement for skipping 16 bytes)
555: fi
1.91 anton 556:
1.136 anton 557: test "$no_dynamic_default" || no_dynamic_default=0
1.92 anton 558: AC_DEFINE_UNQUOTED(NO_DYNAMIC_DEFAULT,$no_dynamic_default,default value for no_dynamic)
1.91 anton 559:
1.1 anton 560: dnl Checks for programs.
561: AC_PROG_LN_S
1.95 anton 562: AC_PROG_INSTALL
1.1 anton 563:
564: dnl Checks for library functions
1.2 anton 565: dnl This check is just for making later checks link with libm.
566: dnl using sin here is no good idea since it is built-into gcc and typechecked
567: AC_CHECK_LIB(m,asin)
1.31 anton 568: AC_CHECK_LIB(dl,dlopen)
1.124 pazsan 569: dnl check for ffcall libraries
570: dnl unfortunately, these four calls are separated out into a library each.
571: AC_CHECK_LIB(avcall,__builtin_avcall)
572: AC_CHECK_LIB(callback,__vacall_r)
573: AC_CHECK_LIB(vacall,vacall)
574: AC_CHECK_LIB(trampoline,alloc_trampoline)
1.125 anton 575: FFCALLFLAG="false"
1.129 pazsan 576: OLDCALLFLAG="true"
577: 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])
578: test $ac_cv_lib_avcall___builtin_avcall = no && AC_DEFINE(HAS_OLDCALL,,[define this if you want to use the old call libraries])
1.125 anton 579: AC_SUBST(FFCALLFLAG)
1.129 pazsan 580: AC_SUBST(OLDCALLFLAG)
1.32 pazsan 581: if test "$host_os" != "nextstep3"
582: then
583: AC_FUNC_MEMCMP
584: fi
1.25 pazsan 585: AC_REPLACE_FUNCS(memmove strtoul pow10 strerror strsignal atanh)
1.97 anton 586: AC_FUNC_FSEEKO
587: AC_CHECK_FUNCS(ftello dlopen sys_siglist getrusage)
1.111 anton 588: AC_CHECK_TYPES(stack_t,,,[#include <signal.h>])
1.19 anton 589: AC_DECL_SYS_SIGLIST
1.138 anton 590: AC_CHECK_FUNC(getopt_long,[true],[AC_LIBOBJ(getopt) AC_LIBOBJ(getopt1)])
1.90 anton 591: AC_CHECK_FUNCS(expm1 log1p)
592: AC_REPLACE_FUNCS(rint ecvt)
1.1 anton 593: dnl No check for select, because our replacement is no good under
594: dnl anything but DOS
1.62 anton 595: AC_CHECK_HEADERS(sys/mman.h fnmatch.h)
1.63 anton 596: AC_FUNC_FNMATCH
1.87 pazsan 597: test $ac_cv_func_fnmatch_works = yes || AC_LIBOBJ(fnmatch)
1.28 anton 598: AC_CHECK_FUNCS(mmap sysconf getpagesize)
1.34 anton 599: AM_PATH_LISPDIR
1.1 anton 600:
1.23 pazsan 601: kernel_fi=kernl${wordsize}${bytesex}.fi
602: AC_SUBST(kernel_fi)
1.50 jwilke 603:
1.76 anton 604: #this breaks bindists
605: #dnl replace srource directory by absolute value
606: #if test $srcdir = "."; then srcdir=`pwd`
607: #fi
1.8 anton 608:
1.34 anton 609: AC_SUBST(machine)
1.95 anton 610: AC_CONFIG_FILES([
1.31 anton 611: Makefile
1.45 pazsan 612: Makedist
1.43 anton 613: gforthmi
1.80 anton 614: vmgen
1.79 pazsan 615: machpc.fs
1.35 anton 616: engine/Makefile
1.95 anton 617: doc/version.texi ])
618: AC_CONFIG_COMMANDS([stamp-h],[[echo timestamp > stamp-h
1.43 anton 619: chmod +x gforthmi
1.80 anton 620: chmod +x vmgen
1.95 anton 621: test -d kernel||mkdir kernel]],[[]])
622: AC_OUTPUT
1.44 anton 623:
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