Annotation of gforth/configure.in, revision 1.180
1.1 anton 1: dnl Process this file with autoconf to produce a configure script.
1.20 anton 2:
1.160 pazsan 3: #Copyright (C) 1995,1996,1997,1998,2000,2003,2004,2005,2006 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
1.180 ! pazsan 24: AC_INIT([gforth],[0.6.2-20060709],[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!
1.160 pazsan 29: UPDATED="April 09, 2006"
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 "$enable_force_ll" = "no"||
54: AC_DEFINE(FORCE_LL,,[Define if you want to use explicit long long declarations for better performance (does not work with all GCC versions on all machines)])
1.147 anton 55:
1.150 pazsan 56: AC_ARG_ENABLE(force-cdiv,
57: AC_HELP_STRING([--enable-force-cdiv],
58: [ Use the native C division - symmetric - instead of
59: floored division (default disabled).]),
60: ,enable_force_cdiv=no)
61: test "$enable_force_cdiv" = "no"||
62: AC_DEFINE(FORCE_CDIV,,[Define if you want to use explicit symmetric division for better performance])
63:
1.149 anton 64: AC_SUBST(PROFEXES)
65: AC_SUBST(PROFOBJS)
1.135 anton 66: AC_ARG_ENABLE(prof,
1.149 anton 67: AC_HELP_STRING([--enable-prof],
68: [ Build gforth-prof, which outputs frequently occuring
69: sequences of primitives.]),
70: ,enable_prof=no)
71: if test "$enable_prof" = "no"; then
72: PROFEXES="gforth-prof\$(EXE)"; PROFOBJS="engine-prof.o main-prof.o profile.o"
73: fi
1.1 anton 74:
1.9 pazsan 75: AC_ARG_WITH(debug,
1.122 pazsan 76: [ --with-debug specifies option -g to compile with debug info
77: --without-debug omits the -g switch and creates smaller images on
78: machines where "strip" has problems with gcc style
79: debugging informations.],
1.9 pazsan 80: if test "$withval" = "yes"; then DEBUGFLAG=-g; fi)
1.122 pazsan 81:
1.104 anton 82: dnl PEEPHOLE="yes"
83: dnl AC_ARG_WITH(peephole,
84: dnl [ --with-peephole Enable peephole optimization (default)
85: dnl --without-peephole disables peephole optimization. Creates smaller,
86: dnl but slower images.],
87: dnl PEEPHOLE="$withval")
88:
1.167 pazsan 89: AC_ARG_ENABLE(ec,
90: AC_HELP_STRING([--enable-ec],
1.168 pazsan 91: [ Build gforth for systems without OS.]),
1.167 pazsan 92: ,enable_ec=no)
93: if test "$enable_ec" = "yes"; then
1.168 pazsan 94: echo "defining standalone system"
95: AC_DEFINE(STANDALONE,,[Define if you want a Gforth without OS])
1.167 pazsan 96: EC_MODE="true"
1.178 pazsan 97: EC="-ec"
98: engine2=""
99: engine_fast2=""
100: no_dynamic="-DNO_DYNAMIC"
101: image_i="image.i"
1.179 pazsan 102: signals_o=""
1.167 pazsan 103: else
1.168 pazsan 104: echo "defining hosted system"
1.167 pazsan 105: EC_MODE="false"
1.178 pazsan 106: EC=""
107: engine2="engine2.o"
108: engine_fast2="engine-fast2.o"
109: no_dynamic=""
110: image_i=""
1.179 pazsan 111: signals_o="signals.o"
1.167 pazsan 112: fi
113:
1.104 anton 114: #variables mentioned in INSTALL
1.123 anton 115: AC_ARG_VAR(CC, [The C compiler (must support GNU C 2.x); gcc-2.95 recommended.])
1.104 anton 116: AC_ARG_VAR(FORTHSIZES, [Gforth command line options for the default stack and dictionary sizes (see INSTALL).])
1.151 anton 117: 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 118: 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)])
119:
1.104 anton 120: AC_ARG_VAR(ac_cv_sizeof_char_p, [sizeof(char *)])
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)])
1.144 pazsan 128: AC_ARG_VAR(ac_cv_sizeof_uint128_t, [sizeof(uint128_t)])
1.123 anton 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])
1.166 anton 131: AC_ARG_VAR(skipcode, [assembly code for skipping 16 bytes of code])
1.174 anton 132: AC_ARG_VAR(asmcomment, [assembler comment start string])
1.175 anton 133: AC_ARG_VAR(arm_cacheflush, [file containing ARM cacheflush function (without .c)])
1.82 anton 134:
1.96 anton 135: #set up feature test macros, so the tests get them right:
136: # turn on all POSIX, SUSv3, and GNU features if available
1.97 anton 137: AC_GNU_SOURCE
138: dnl AC_DEFINE_UNQUOTED([_GNU_SOURCE],1,[feature test macro])
139:
140: dnl Don't define _POSIX_SOURCE etc. because some OSs (in particular
141: dnl MacOSX) disable some features then (MacOSX checks for _POSIX_SOURCE,
142: dnl but not for _XOPEN_SOURCE)
143: dnl AC_DEFINE_UNQUOTED([_POSIX_SOURCE],1,[feature test macro])
144: dnl AC_DEFINE_UNQUOTED([_POSIX_C_SOURCE],199506L,[feature test macro])
145: dnl AC_DEFINE_UNQUOTED([_XOPEN_SOURCE],600,[feature test macro])
1.96 anton 146: # turn on large file support with 64-bit off_t where available
1.105 anton 147: AC_SYS_LARGEFILE
148: dnl AC_DEFINE_UNQUOTED([_LARGEFILE_SOURCE],1,[feature test macro])
149: dnl AC_DEFINE_UNQUOTED([_FILE_OFFSET_BITS],64,[feature test macro])
1.96 anton 150:
1.82 anton 151: #currently we force direct threading this way. Eventually we should
152: #setup in the arch and engine files right
1.16 anton 153:
1.15 pazsan 154: AC_PROG_CC
155:
1.92 anton 156: test "$GCC" = "yes" || AC_MSG_ERROR(Gforth uses GNU C extensions and requires GCC 2.0 or higher)
1.9 pazsan 157:
1.15 pazsan 158: AC_SUBST(CC)
1.9 pazsan 159: AC_SUBST(DEBUGFLAG)
1.178 pazsan 160: AC_SUBST(EC)
1.167 pazsan 161: AC_SUBST(EC_MODE)
1.178 pazsan 162: AC_SUBST(engine2)
163: AC_SUBST(engine_fast2)
164: AC_SUBST(no_dynamic)
165: AC_SUBST(image_i)
1.179 pazsan 166: AC_SUBST(signals_o)
1.7 anton 167:
1.174 anton 168: #this is used to disable some (not generally essential) part of the
169: #Makefile that some makes don't grok. It would be better to test for
170: #this specific Makefile feature than the make version.
1.128 pazsan 171: AC_MSG_CHECKING(make type)
1.174 anton 172: make_type=`make -n -v 2>&1|grep 'ake'|sed 's/ake .*/ake/'`
1.128 pazsan 173: GNUMAKE='#'
174: test "$make_type" = "GNU Make" && GNUMAKE=''
175: AC_MSG_RESULT($make_type)
176: AC_SUBST(GNUMAKE)
177:
1.50 jwilke 178: AC_MSG_CHECKING([whether the linker accepts -export-dynamic])
179: OLDLDFLAGS=$LDFLAGS
180: LDFLAGS="$LDFLAGS -export-dynamic"
1.69 anton 181: dnl AC_TRY_LINK gives false positive on rs6000-ibm-aix4.2.1.0
182: dnl AC_TRY_LINK(,,ac_export_dynamic=yes,ac_export_dynamic=no)
183: AC_TRY_RUN(main(){exit(0);},ac_export_dynamic=yes,ac_export_dynamic=no,ac_export_dynamic=no)
1.50 jwilke 184: test $ac_export_dynamic = yes|| LDFLAGS=$OLDLDFLAGS
185: AC_MSG_RESULT($ac_export_dynamic)
186:
1.1 anton 187: #terminology is a bit unusual here: The host is the system on which
188: #gforth will run; the system on which configure will run is the `build'
189: AC_CANONICAL_HOST
190: case "$host_cpu" in
1.136 anton 191: arm*)
192: machine=arm
193: CFLAGS="$CFLAGS -fomit-frame-pointer"
1.175 anton 194: if test -z $arm_cacheflush; then
1.136 anton 195: no_dynamic_default=1
1.175 anton 196: arm_cacheflush=arch/arm/cacheflush0
1.136 anton 197: AC_MSG_WARN([No I-cache flush code known, disabling dynamic native code generation])
198: fi
1.175 anton 199: AC_LIBSOURCES([../arch/arm/cacheflush0, ../arch/arm/cacheflush1, ../arch/arm/cacheflush2])
200: AC_LIBOBJ(../$arm_cacheflush)
1.177 anton 201: #longer skipcodes lead to problems on ARM, and it uses
202: #only 4-byte alignment anyway
203: test "$skipcode" || skipcode="nop"
1.136 anton 204: ;;
1.1 anton 205: hppa*)
1.34 anton 206: machine=hppa
1.46 anton 207: $srcdir/mkinstalldirs arch/hppa
1.87 pazsan 208: AC_LIBOBJ(../arch/hppa/cache)
1.134 anton 209: #-N needed for --dynamic <M4U3b.3790$9d.317@news.cpqcorp.net>
210: LDFLAGS="$LDFLAGS -Xlinker -N"
1.47 anton 211: LIBS="$LIBS -L/lib/pa1.1/"
1.1 anton 212: ;;
213: sparc*)
1.34 anton 214: machine=sparc
1.1 anton 215: ;;
1.31 anton 216: i386)
1.34 anton 217: machine=386
1.16 anton 218: CFLAGS="$CFLAGS -fomit-frame-pointer -fforce-addr -fforce-mem"
1.31 anton 219: ;;
220: i486)
1.34 anton 221: machine=386
1.31 anton 222: CFLAGS="$CFLAGS -fomit-frame-pointer -fforce-addr -fforce-mem -m486"
223: ;;
1.77 anton 224: i*86)
1.34 anton 225: machine=386
1.55 anton 226: CFLAGS="$CFLAGS -fomit-frame-pointer -fforce-addr -fforce-mem"
1.56 pazsan 227: CFLAGS_1="$CFLAGS"
1.87 pazsan 228: CFLAGS="$CFLAGS -march=pentium"
1.56 pazsan 229: AC_TRY_COMPILE(,,,CFLAGS="$CFLAGS_1 -m486")
1.1 anton 230: ;;
1.133 anton 231: x86_64)
232: machine=amd64
233: ;;
1.136 anton 234: ia64*)
235: machine=ia64
236: AC_LIBOBJ(../arch/ia64/flush_icache_block)
237: test "$skipcode" || skipcode="nop.i 0"
238: #".skip 16" passes the test below,
239: # but gives an assembler error in engine
240: ;;
1.26 pazsan 241: m68k)
1.34 anton 242: machine=m68k
1.32 pazsan 243: CFLAGS="$CFLAGS -fomit-frame-pointer"
244: if test "$host_os" = "nextstep3"
245: then
1.87 pazsan 246: AC_LIBOBJ(termios)
1.32 pazsan 247: fi
1.26 pazsan 248: ;;
1.1 anton 249: mips*)
1.34 anton 250: machine=mips
1.92 anton 251: #dynamic native code has the following problems on MIPS:
252: #
253: #1) J/JAL seems relocatable, but is are only
254: #relocatable within a 256MB-segment. While we try to
255: #get the linker to arrange this, there is no guarantee
256: #that this will succeed (and if the user uses a lot of
257: #memory, it is likely to fail).
258: #
259: #2) The way we generate dynamic native code may
260: #violate MIPS architectural restrictions (in
261: #particular, the delay slots of LW, MFLO, etc.)
262: #
263: #Therefore we disable dynamic native code by default:
1.136 anton 264: if test -z $no_dynamic_default; then
265: no_dynamic_default=1
266: AC_MSG_WARN([Disabling default dynamic native code generation (relocation and delay slot issues)])
267: fi
1.1 anton 268: ;;
1.9 pazsan 269: alpha*)
1.34 anton 270: machine=alpha
1.58 anton 271: #full IEEE FP support for more uniformity across platforms:
272: CFLAGS="$CFLAGS -mieee"
1.9 pazsan 273: ;;
1.69 anton 274: power*|rs6000)
1.34 anton 275: machine=power
1.46 anton 276: $srcdir/mkinstalldirs arch/power
1.138 anton 277: AC_CHECK_FUNC(_sync_cache_range,[true],[AC_LIBOBJ(../arch/power/_sync_cache_range)])
1.103 anton 278: #long long is broken on (at least) gcc-2.95.* for PPC
1.165 anton 279: test x$ac_cv_sizeof_long_long = x &&
280: ($CC -v 2>&1 |grep -q 'gcc version 2.95') &&
281: ac_cv_sizeof_long_long=0
1.31 anton 282: ;;
1.1 anton 283: *)
1.92 anton 284: AC_MSG_WARN([Using a generic machine description])
285: AC_MSG_WARN([Assuming C floats and doubles are IEEE floats and doubles (for SF@ DF@ SF! DF!)])
286: AC_MSG_WARN([FLUSH-ICACHE will do nothing, so END-CODE may not work properly!])
1.34 anton 287: machine=generic
1.97 anton 288: #I-cache flushing would be needed for dynamic code generation
1.136 anton 289: if test -z $no_dynamic_default; then
290: no_dynamic_default=1
291: AC_MSG_WARN([No I-cache flush code known, disabling dynamic native code generation])
292: fi
1.1 anton 293: esac
1.10 anton 294: AC_SUBST(host)
1.151 anton 295:
296: test x$STACK_CACHE_DEFAULT_FAST = x && STACK_CACHE_DEFAULT_FAST=1
297: AC_DEFINE_UNQUOTED(STACK_CACHE_DEFAULT_FAST, $STACK_CACHE_DEFAULT_FAST,
298: [number of registers in the default stack cache state for gforth-fast and gforth-native])
1.146 pazsan 299:
1.173 anton 300: test x$GCC_PR15242_WORKAROUND = x ||
301: AC_DEFINE_UNQUOTED(GCC_PR15242_WORKAROUND, $GCC_PR15242_WORKAROUND,
302: [force (1) or forbid (0) use of a workaround for a gcc performance bug])
303:
304: dnl AC_DEFINE(GCC_PR15242_WORKAROUND,,[Define if you want to get dynamic code
305: dnl generation on gccs affected by PR15242])
306:
307:
1.146 pazsan 308: if test "${enable_force_ll+set}" = set; then
309: ac_includes_default="$ac_includes_default
310: #include \"arch/generic/128bit.h\""
311: fi
1.103 anton 312:
313: dnl the following macro produces a warning with autoconf-2.1
314: AC_CHECK_SIZEOF(char *)
315: case "$ac_cv_sizeof_char_p" in
316: 2)
317: wordsize=16
318: ;;
319: 4)
320: wordsize=32
321: ;;
322: 8)
323: wordsize=64
324: ;;
325: esac
326:
327: AC_CHECK_SIZEOF(char)
328: AC_CHECK_SIZEOF(short)
329: AC_CHECK_SIZEOF(int)
330: AC_CHECK_SIZEOF(long)
331: AC_CHECK_SIZEOF(long long)
332: AC_CHECK_SIZEOF(intptr_t)
333: AC_CHECK_SIZEOF(int128_t)
1.144 pazsan 334: AC_CHECK_SIZEOF(uint128_t)
1.103 anton 335:
336: AC_MSG_CHECKING([for a C type for cells])
337: ac_cv_int_type_cell=none
338: case "$ac_cv_sizeof_char_p" in
339: $ac_cv_sizeof_int)
340: ac_cv_int_type_cell=int
341: ;;
342: $ac_cv_sizeof_short)
343: ac_cv_int_type_cell=short
344: ;;
345: $ac_cv_sizeof_char)
346: ac_cv_int_type_cell=char
347: ;;
348: $ac_cv_sizeof_long)
349: ac_cv_int_type_cell=long
350: ;;
351: $ac_cv_sizeof_long_long)
352: ac_cv_int_type_cell="long long"
353: ;;
354: $ac_cv_sizeof_intptr_t)
355: ac_cv_int_type_cell="intptr_t"
356: ;;
357: $ac_cv_sizeof_int128_t)
358: ac_cv_int_type_cell="int128_t"
359: ;;
360: esac
361: AC_MSG_RESULT($ac_cv_int_type_cell)
362: AC_DEFINE_UNQUOTED(CELL_TYPE,$ac_cv_int_type_cell,[an integer type that is as long as a pointer])
363:
1.153 pazsan 364: AC_MSG_CHECKING([for a C type for wydes])
365: ac_cv_wyde_type_cell=none
366: case 2 in
367: $ac_cv_sizeof_int)
368: ac_cv_wyde_type_cell=int
369: ;;
370: $ac_cv_sizeof_short)
371: ac_cv_wyde_type_cell=short
372: ;;
373: $ac_cv_sizeof_char)
374: ac_cv_wyde_type_cell=char
375: ;;
376: $ac_cv_sizeof_long)
377: ac_cv_wyde_type_cell=long
378: ;;
379: $ac_cv_sizeof_long_long)
380: ac_cv_wyde_type_cell="long long"
381: ;;
382: $ac_cv_sizeof_intptr_t)
383: ac_cv_wyde_type_cell="intptr_t"
384: ;;
385: $ac_cv_sizeof_int128_t)
386: ac_cv_wyde_type_cell="int128_t"
387: ;;
388: esac
389: AC_MSG_RESULT($ac_cv_wyde_type_cell)
390: AC_DEFINE_UNQUOTED(WYDE_TYPE,$ac_cv_wyde_type_cell,[an integer type that is 2 bytes long])
391:
392: AC_MSG_CHECKING([for a C type for tetrabytes])
393: ac_cv_tetrabyte_type_cell=none
394: case 4 in
395: $ac_cv_sizeof_int)
396: ac_cv_tetrabyte_type_cell=int
397: ;;
398: $ac_cv_sizeof_short)
399: ac_cv_tetrabyte_type_cell=short
400: ;;
401: $ac_cv_sizeof_char)
402: ac_cv_tetrabyte_type_cell=char
403: ;;
404: $ac_cv_sizeof_long)
405: ac_cv_tetrabyte_type_cell=long
406: ;;
407: $ac_cv_sizeof_long_long)
408: ac_cv_tetrabyte_type_cell="long long"
409: ;;
410: $ac_cv_sizeof_intptr_t)
411: ac_cv_tetrabyte_type_cell="intptr_t"
412: ;;
413: $ac_cv_sizeof_int128_t)
414: ac_cv_tetrabyte_type_cell="int128_t"
415: ;;
416: esac
417: AC_MSG_RESULT($ac_cv_tetrabyte_type_cell)
418: AC_DEFINE_UNQUOTED(TETRABYTE_TYPE,$ac_cv_tetrabyte_type_cell,[an integer type that is 4 bytes long])
419:
1.103 anton 420: AC_MSG_CHECKING([for a C type for double-cells])
421: ac_cv_int_type_double_cell=none
422: case `expr 2 '*' "$ac_cv_sizeof_char_p"` in
423: $ac_cv_sizeof_short)
424: ac_cv_int_type_double_cell=short
425: ;;
426: $ac_cv_sizeof_int)
427: ac_cv_int_type_double_cell=int
428: ;;
429: $ac_cv_sizeof_long)
430: ac_cv_int_type_double_cell=long
431: ;;
432: $ac_cv_sizeof_long_long)
433: ac_cv_int_type_double_cell="long long"
434: ;;
435: $ac_cv_sizeof_intptr_t)
436: ac_cv_int_type_double_cell="intptr_t"
437: ;;
438: $ac_cv_sizeof_int128_t)
439: ac_cv_int_type_double_cell="int128_t"
440: ;;
441: esac
442: AC_MSG_RESULT($ac_cv_int_type_double_cell)
1.144 pazsan 443:
444: AC_MSG_CHECKING([for a C type for unsigned double-cells])
445: ac_cv_int_type_double_ucell=none
446: case `expr 2 '*' "$ac_cv_sizeof_char_p"` in
447: $ac_cv_sizeof_short)
448: ac_cv_int_type_double_ucell="unsigned short"
449: ;;
450: $ac_cv_sizeof_int)
451: ac_cv_int_type_double_ucell="unsigned int"
452: ;;
453: $ac_cv_sizeof_long)
454: ac_cv_int_type_double_ucell="unsigned long"
455: ;;
456: $ac_cv_sizeof_long_long)
457: ac_cv_int_type_double_ucell="unsigned long long"
458: ;;
459: $ac_cv_sizeof_intptr_t)
460: ac_cv_int_type_double_ucell="unsigned intptr_t"
461: ;;
462: $ac_cv_sizeof_uint128_t)
463: ac_cv_int_type_double_ucell="uint128_t"
464: ;;
465: esac
466: AC_MSG_RESULT($ac_cv_int_type_double_ucell)
467:
468: if test "$ac_cv_int_type_double_cell" = none || \
469: test "$ac_cv_int_type_double_ucell" = none
470: then
1.103 anton 471: AC_MSG_WARN([Emulating double-cell arithmetic. This may be slow.])
472: AC_LIBOBJ(dblsub)
473: AC_DEFINE(BUGGY_LONG_LONG,,[define this if there is no working DOUBLE_CELL_TYPE on your machine])
474: else
475: AC_DEFINE_UNQUOTED(DOUBLE_CELL_TYPE,$ac_cv_int_type_double_cell,[an integer type that is twice as long as a pointer])
1.144 pazsan 476: AC_DEFINE_UNQUOTED(DOUBLE_UCELL_TYPE,$ac_cv_int_type_double_ucell,[an unsigned integer type that is twice as long as a pointer])
1.103 anton 477: fi
478:
479: AC_TYPE_OFF_T
480: AC_CHECK_SIZEOF(off_t)
481: test $ac_cv_sizeof_off_t -gt $ac_cv_sizeof_char_p
482: ac_small_off_t=$?
483: AC_DEFINE_UNQUOTED(SMALL_OFF_T,$ac_small_off_t,[1 if off_t fits in a Cell])
1.1 anton 484:
1.109 anton 485: ENGINE_FLAGS=
486: AC_SUBST(ENGINE_FLAGS)
487:
488: # Try if GCC understands -fno-gcse
489:
490: AC_MSG_CHECKING([if $CC understands -fno-gcse])
491: CFLAGS_1="$CFLAGS"
492: CFLAGS="$CFLAGS -fno-gcse"
493: AC_TRY_COMPILE(,,ac_nogcse=yes;ENGINE_FLAGS="$ENGINE_FLAGS -fno-gcse",ac_nogcse=no)
494: CFLAGS="$CFLAGS_1"
495: AC_MSG_RESULT($ac_nogcse)
496:
497: # Try if GCC understands -fno-strict-aliasing
498: AC_MSG_CHECKING([if $CC understands -fno-strict-aliasing])
499: CFLAGS_1="$CFLAGS"
500: CFLAGS="$CFLAGS -fno-strict-aliasing"
501: AC_TRY_COMPILE(,,ac_nostrictaliasing=yes;ENGINE_FLAGS="$ENGINE_FLAGS -fno-strict-aliasing",ac_nostrictaliasing=no)
502: CFLAGS="$CFLAGS_1"
503: AC_MSG_RESULT($ac_nostrictaliasing)
504:
1.123 anton 505: # Try if GCC understands -fno-crossjumping
506: AC_MSG_CHECKING([if $CC understands -fno-crossjumping])
1.88 pazsan 507: CFLAGS_1="$CFLAGS"
1.123 anton 508: CFLAGS="$CFLAGS -fno-crossjumping"
1.125 anton 509: AC_TRY_COMPILE(,,ac_nocrossjumping=yes;ENGINE_FLAGS="$ENGINE_FLAGS -fno-crossjumping",ac_nocrossjumping=no)
1.109 anton 510: CFLAGS="$CFLAGS_1"
1.124 pazsan 511: AC_MSG_RESULT($ac_nocrossjumping)
1.88 pazsan 512:
1.137 pazsan 513: # Try if GCC understands -fno-reorder-blocks
514: AC_MSG_CHECKING([if $CC understands -fno-reorder-blocks])
515: CFLAGS_1="$CFLAGS"
516: CFLAGS="$CFLAGS -fno-reorder-blocks"
517: AC_TRY_COMPILE(,,ac_noreorder_blocks=yes;ENGINE_FLAGS="$ENGINE_FLAGS -fno-reorder-blocks",ac_noreorder_blocks=no)
518: CFLAGS="$CFLAGS_1"
519: AC_MSG_RESULT($ac_noreorder_blocks)
520:
1.130 anton 521: # Try if GCC understands __attribute__((unused))
522: AC_MSG_CHECKING([how to suppress 'unused variable' warnings])
523: AC_TRY_COMPILE(,[int __attribute__((unused)) foo;], MAYBE_UNUSED='__attribute__((unused))',)
524: AC_DEFINE_UNQUOTED(MAYBE_UNUSED,$MAYBE_UNUSED,[attribute for possibly unused variables])
525: AC_MSG_RESULT($MAYBE_UNUSED)
526:
1.66 anton 527: AC_CHECK_PROG(asm_fs,asm.fs,arch/$machine/asm.fs,,$srcdir/arch/$machine)
1.61 anton 528: AC_SUBST(asm_fs)
529:
1.66 anton 530: AC_CHECK_PROG(disasm_fs,disasm.fs,arch/$machine/disasm.fs,,$srcdir/arch/$machine)
1.61 anton 531: AC_SUBST(disasm_fs)
532:
1.116 anton 533: AC_PATH_PROG(INSTALL_INFO,install-info,[echo '>>>>Please make info dir entry:'],$PATH:/sbin:/usr/sbin:/usr/local/sbin)
1.114 anton 534:
1.39 pazsan 535: case "$host_os" in
1.157 pazsan 536: *win32*)
537: # !!!FIXME!!! problems with cygwin and ';' as path separator
1.108 anton 538: DIRSEP="\\\\"
1.127 anton 539: PATHSEP=";"
1.142 anton 540: #we want the builtins of command.com/cmd.exe and its
541: # handling of .com files.
542: #$COMSPEC contains the name of the Windows shell;
543: # the ./ is there, because the bash does not recognize
544: # absolute DOS filenames
545: DEFAULTSYSTEMPREFIX="./$COMSPEC /c "
1.39 pazsan 546: ;;
1.97 anton 547: *darwin*)
548: #Darwin uses some funny preprocessor by default; eliminate it:
1.127 anton 549: AC_MSG_NOTICE([using -no-cpp-precomp on Darwin])
1.120 anton 550: CFLAGS="$CFLAGS -no-cpp-precomp"
1.98 anton 551: DIRSEP="/"
1.127 anton 552: PATHSEP=":"
1.141 anton 553: DEFAULTSYSTEMPREFIX=""
1.98 anton 554: ;;
1.39 pazsan 555: *)
1.88 pazsan 556: DIRSEP="/"
1.127 anton 557: PATHSEP=":"
1.141 anton 558: DEFAULTSYSTEMPREFIX=""
1.39 pazsan 559: ;;
560: esac
1.88 pazsan 561: AC_SUBST(DIRSEP)
1.89 pazsan 562: AC_DEFINE_UNQUOTED(DIRSEP,'$DIRSEP',[a directory separator character])
1.127 anton 563: AC_SUBST(PATHSEP)
564: AC_DEFINE_UNQUOTED(PATHSEP,'$PATHSEP',[a path separator character])
1.141 anton 565: AC_SUBST(DEFAULTSYSTEMPREFIX)
566: AC_DEFINE_UNQUOTED(DEFAULTSYSTEMPREFIX,"$DEFAULTSYSTEMPREFIX",[default for environment variable GFORTHSYSTEMPREFIX])
1.39 pazsan 567:
1.170 anton 568: #work around SELinux brain damage (from Andrew Haley <12t8f3jakb74g2c@news.supernews.com>)
1.172 anton 569: #This magic incantation seems to be completely undocumented.
570: AC_CHECK_PROG([MASSAGE_EXE],[chcon],[chcon -t unconfined_execmem_exec_t],[true])
1.170 anton 571:
1.1 anton 572: dnl Now a little support for DOS/DJGCC
1.30 pazsan 573: AC_SUBST(GFORTH_EXE)
1.172 anton 574: GFORTH_EXE=""
1.48 anton 575: AC_SUBST(GFORTHFAST_EXE)
1.172 anton 576: GFORTHFAST_EXE=""
1.83 anton 577: AC_SUBST(GFORTHITC_EXE)
578: GFORTHITC_EXE=""
1.30 pazsan 579: AC_SUBST(GFORTHDITC_EXE)
580: GFORTHDITC_EXE=""
1.27 anton 581:
582: AC_SUBST(FORTHSIZES)
1.24 anton 583:
1.104 anton 584: dnl if test "$PEEPHOLE" = "yes"
585: dnl then
586: dnl PEEPHOLEFLAG="true"
587: dnl AC_DEFINE(HAS_PEEPHOLE,,[Define if you want to use peephole optimization])
588: dnl else
589: dnl PEEPHOLEFLAG="false"
590: dnl fi
591: PEEPHOLEFLAG="true"
1.79 pazsan 592: AC_SUBST(PEEPHOLEFLAG)
593:
1.1 anton 594: dnl copy commands for systems that don't have links
1.29 pazsan 595: AC_SUBST(LINK_KERNL)
596: LINK_KERNL=""
1.1 anton 597:
598: #if test $host_os=dos
599: #then
600: # echo Configuring for DOS!!!
601: # MAKE_EXE="coff2exe gforth"
1.29 pazsan 602: # LINK_KERNL='$(CP) kernl32l.fi kernel.fi'
1.1 anton 603: #fi
604:
605: dnl the following macro produces a warning with autoconf-2.1
606: AC_C_BIGENDIAN
1.23 pazsan 607: AC_SUBST(KERNEL)
1.1 anton 608: dnl ac_cv_c_bigendian is an undocumented variable of autoconf-2.1
609: if test $ac_cv_c_bigendian = yes; then
610: bytesex=b
1.23 pazsan 611: KERNEL="kernl16b.fi kernl16l.fi kernl32b.fi kernl32l.fi kernl64b.fi kernl64l.fi"
1.1 anton 612: else
613: bytesex=l
1.23 pazsan 614: KERNEL="kernl16l.fi kernl16b.fi kernl32l.fi kernl32b.fi kernl64l.fi kernl64b.fi"
1.1 anton 615: fi
616:
1.91 anton 617: #check how to do asm(".skip 16")
1.169 anton 618: #echo "CFLAGS=$CFLAGS"
619: #echo "ac_link=$ac_link"
1.92 anton 620: AC_MSG_CHECKING([if and how we can waste code space])
1.136 anton 621: if test -z "$skipcode"; then
1.148 anton 622: skipcode=no
623: CFLAGS_1="$CFLAGS"
624: CFLAGS="$CFLAGS $ENGINE_FLAGS"
1.136 anton 625: for i in ".skip 16" ".block 16" ".org .+16" ".=.+16" ".space 16"
626: do
1.91 anton 627: AC_TRY_RUN(
1.136 anton 628: [int foo(int,int,int);
1.91 anton 629: main()
630: {
1.136 anton 631: exit(foo(0,0,0)!=16);
1.91 anton 632: }
1.136 anton 633: int foo(int x, int y, int z)
1.91 anton 634: {
1.136 anton 635: static void *labels[]={&&label1, &&label2};
1.91 anton 636: if (x) {
1.136 anton 637: y++; /* workaround for http://gcc.gnu.org/bugzilla/show_bug.cgi?id=12108 */
1.91 anton 638: label1:
1.148 anton 639: asm("$i"); /* or ".space 16" or somesuch */
1.136 anton 640: label2: ;
641: }
642: {
643: if (y) goto *labels[z]; /* workaround for gcc PR12108 */
644: return labels[1]-labels[0];
1.91 anton 645: }
1.136 anton 646: }]
1.92 anton 647: ,skipcode=$i; break
648: ,,)
1.136 anton 649: done
1.148 anton 650: CFLAGS=$CFLAGS_1
1.136 anton 651: fi
1.92 anton 652: AC_MSG_RESULT($skipcode)
653: if test "$skipcode" = no
654: then
1.136 anton 655: if test -z $no_dynamic_default; then
656: no_dynamic_default=1
657: AC_MSG_WARN(Disabling default dynamic native code generation)
658: fi
1.92 anton 659: AC_DEFINE_UNQUOTED(SKIP16,((void)0),statement for skipping 16 bytes)
660: else
661: AC_DEFINE_UNQUOTED(SKIP16,asm("$skipcode"),statement for skipping 16 bytes)
662: fi
1.91 anton 663:
1.174 anton 664: AC_MSG_CHECKING([if and how we can do comments in asm statements])
665: #the point here is to get asm statements that look different to
666: #gcc's "optimizer"
667: if test -z "$asmcomment"; then
668: asmcomment=no
669: CFLAGS_1="$CFLAGS"
670: CFLAGS="$CFLAGS $ENGINE_FLAGS"
1.176 anton 671: for i in '"# "' '"! "' '"; "'; do
1.174 anton 672: AC_TRY_COMPILE(,[asm($i"fluffystunk");],asmcomment=$i; break,)
673: done
674: CFLAGS=$CFLAGS_1
675: fi
676: AC_MSG_RESULT($asmcomment)
677: if test "$asmcomment" != no
678: then
679: AC_DEFINE_UNQUOTED(ASMCOMMENT,$asmcomment,[assembler comment start string])
680: fi
681:
1.136 anton 682: test "$no_dynamic_default" || no_dynamic_default=0
1.92 anton 683: AC_DEFINE_UNQUOTED(NO_DYNAMIC_DEFAULT,$no_dynamic_default,default value for no_dynamic)
1.91 anton 684:
1.1 anton 685: dnl Checks for programs.
686: AC_PROG_LN_S
1.95 anton 687: AC_PROG_INSTALL
1.163 pazsan 688: AC_CHECK_PROGS(TEXI2DVI,texi2dvi4a2ps texi2dvi)
1.1 anton 689:
690: dnl Checks for library functions
1.2 anton 691: dnl This check is just for making later checks link with libm.
692: dnl using sin here is no good idea since it is built-into gcc and typechecked
693: AC_CHECK_LIB(m,asin)
1.31 anton 694: AC_CHECK_LIB(dl,dlopen)
1.152 pazsan 695: dnl check for libffi 2.x
696: AC_CHECK_LIB(ffi,ffi_call)
697: if test $ac_cv_lib_ffi_ffi_call = yes
698: then
699: LIBFFIFLAG="true"
700: FFCALLFLAG="false"
701: OLDCALLFLAG="false"
702: AC_DEFINE(HAS_LIBFFI,,[define this if you want to use the ffcall interface with libffi 2.0])
703: else
1.124 pazsan 704: dnl check for ffcall libraries
705: dnl unfortunately, these four calls are separated out into a library each.
706: AC_CHECK_LIB(avcall,__builtin_avcall)
707: AC_CHECK_LIB(callback,__vacall_r)
708: AC_CHECK_LIB(vacall,vacall)
709: AC_CHECK_LIB(trampoline,alloc_trampoline)
1.152 pazsan 710: LIBFFIFLAG="false"
1.125 anton 711: FFCALLFLAG="false"
1.129 pazsan 712: OLDCALLFLAG="true"
713: 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])
714: test $ac_cv_lib_avcall___builtin_avcall = no && AC_DEFINE(HAS_OLDCALL,,[define this if you want to use the old call libraries])
1.152 pazsan 715: fi
716: AC_SUBST(LIBFFIFLAG)
1.125 anton 717: AC_SUBST(FFCALLFLAG)
1.129 pazsan 718: AC_SUBST(OLDCALLFLAG)
1.32 pazsan 719: if test "$host_os" != "nextstep3"
720: then
721: AC_FUNC_MEMCMP
722: fi
1.25 pazsan 723: AC_REPLACE_FUNCS(memmove strtoul pow10 strerror strsignal atanh)
1.97 anton 724: AC_FUNC_FSEEKO
725: AC_CHECK_FUNCS(ftello dlopen sys_siglist getrusage)
1.111 anton 726: AC_CHECK_TYPES(stack_t,,,[#include <signal.h>])
1.19 anton 727: AC_DECL_SYS_SIGLIST
1.138 anton 728: AC_CHECK_FUNC(getopt_long,[true],[AC_LIBOBJ(getopt) AC_LIBOBJ(getopt1)])
1.90 anton 729: AC_CHECK_FUNCS(expm1 log1p)
730: AC_REPLACE_FUNCS(rint ecvt)
1.1 anton 731: dnl No check for select, because our replacement is no good under
732: dnl anything but DOS
1.62 anton 733: AC_CHECK_HEADERS(sys/mman.h fnmatch.h)
1.63 anton 734: AC_FUNC_FNMATCH
1.87 pazsan 735: test $ac_cv_func_fnmatch_works = yes || AC_LIBOBJ(fnmatch)
1.28 anton 736: AC_CHECK_FUNCS(mmap sysconf getpagesize)
1.34 anton 737: AM_PATH_LISPDIR
1.1 anton 738:
1.23 pazsan 739: kernel_fi=kernl${wordsize}${bytesex}.fi
1.178 pazsan 740: include_fi=kernl${wordsize}${bytesex}${EC}.fi
1.23 pazsan 741: AC_SUBST(kernel_fi)
1.178 pazsan 742: AC_SUBST(include_fi)
1.50 jwilke 743:
1.76 anton 744: #this breaks bindists
745: #dnl replace srource directory by absolute value
746: #if test $srcdir = "."; then srcdir=`pwd`
747: #fi
1.8 anton 748:
1.34 anton 749: AC_SUBST(machine)
1.95 anton 750: AC_CONFIG_FILES([
1.31 anton 751: Makefile
1.45 pazsan 752: Makedist
1.43 anton 753: gforthmi
1.80 anton 754: vmgen
1.79 pazsan 755: machpc.fs
1.159 pazsan 756: envos.fs
1.35 anton 757: engine/Makefile
1.161 pazsan 758: doc/version.texi
759: build-ec ])
1.95 anton 760: AC_CONFIG_COMMANDS([stamp-h],[[echo timestamp > stamp-h
1.43 anton 761: chmod +x gforthmi
1.80 anton 762: chmod +x vmgen
1.162 pazsan 763: chmod +x build-ec
1.95 anton 764: test -d kernel||mkdir kernel]],[[]])
765: AC_OUTPUT
1.44 anton 766:
FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>