Annotation of gforth/configure.in, revision 1.207
1.1 anton 1: dnl Process this file with autoconf to produce a configure script.
1.20 anton 2:
1.200 anton 3: #Copyright (C) 1995,1996,1997,1998,2000,2003,2004,2005,2006,2007 Free Software Foundation, Inc.
1.20 anton 4:
5: #This file is part of Gforth.
6:
7: #Gforth is free software; you can redistribute it and/or
8: #modify it under the terms of the GNU General Public License
1.201 anton 9: #as published by the Free Software Foundation, either version 3
1.20 anton 10: #of the License, or (at your option) any later version.
11:
12: #This program is distributed in the hope that it will be useful,
13: #but WITHOUT ANY WARRANTY; without even the implied warranty of
14: #MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.#See the
15: #GNU General Public License for more details.
16:
17: #You should have received a copy of the GNU General Public License
1.201 anton 18: #along with this program. If not, see http://www.gnu.org/licenses/.
1.20 anton 19:
1.121 anton 20:
1.34 anton 21: dnl We use some automake macros here,
22: dnl but don't use automake for creating Makefile.in
1.188 anton 23: AC_INIT([gforth],[0.6.9-20070604],[https://savannah.gnu.org/bugs/?func=addbug&group=gforth])
1.113 anton 24: AC_PREREQ(2.54)
1.47 anton 25: #snapshots have numbers major.minor.release-YYYYMMDD
1.92 anton 26: #note that lexicographic ordering must be heeded.
1.47 anton 27: #I.e., 0.4.1-YYYYMMDD must not exist before 0.4.1!
1.187 anton 28: UPDATED="June 02, 2007"
1.84 anton 29: AC_SUBST(UPDATED)
1.94 anton 30: AC_CONFIG_HEADERS(engine/config.h)
1.14 anton 31:
1.121 anton 32: #suppress the "-g -O2" default
33: test "$CFLAGS" || CFLAGS=-O2
34:
1.150 pazsan 35: AC_ARG_ENABLE(force-cdiv,
36: AC_HELP_STRING([--enable-force-cdiv],
37: [ Use the native C division - symmetric - instead of
38: floored division (default disabled).]),
39: ,enable_force_cdiv=no)
40: test "$enable_force_cdiv" = "no"||
41: AC_DEFINE(FORCE_CDIV,,[Define if you want to use explicit symmetric division for better performance])
42:
1.149 anton 43: AC_SUBST(PROFEXES)
44: AC_SUBST(PROFOBJS)
1.135 anton 45: AC_ARG_ENABLE(prof,
1.149 anton 46: AC_HELP_STRING([--enable-prof],
47: [ Build gforth-prof, which outputs frequently occuring
48: sequences of primitives.]),
49: ,enable_prof=no)
1.204 anton 50: if test "$enable_prof" != "no"; then
51: PROFEXES='gforth-prof$(OPT)$(EXE)'; PROFOBJS='engine-prof$(OPT).o main-prof$(OPT).o profile$(OPT).o'
1.149 anton 52: fi
1.1 anton 53:
1.9 pazsan 54: AC_ARG_WITH(debug,
1.122 pazsan 55: [ --with-debug specifies option -g to compile with debug info
56: --without-debug omits the -g switch and creates smaller images on
57: machines where "strip" has problems with gcc style
58: debugging informations.],
1.9 pazsan 59: if test "$withval" = "yes"; then DEBUGFLAG=-g; fi)
1.122 pazsan 60:
1.185 pazsan 61: GCC_LD="\$(GCC)"
62: EC_MODE="false"
63: EC=""
1.204 anton 64: engine2='engine2$(OPT).o'
65: engine_fast2='engine-fast2$(OPT).o'
1.185 pazsan 66: no_dynamic=""
67: image_i=""
68: signals_o="io.o signals.o"
69:
1.182 pazsan 70: AC_ARG_WITH(ec,
71: AC_HELP_STRING([--with-ec=<arch>],
1.168 pazsan 72: [ Build gforth for systems without OS.]),
1.182 pazsan 73: [if test "$withval" = "no"; then
74: echo "defining hosted system"
75: else
76: echo "defining standalone system (${withval})"
1.168 pazsan 77: AC_DEFINE(STANDALONE,,[Define if you want a Gforth without OS])
1.167 pazsan 78: EC_MODE="true"
1.178 pazsan 79: EC="-ec"
80: engine2=""
81: engine_fast2=""
82: no_dynamic="-DNO_DYNAMIC"
83: image_i="image.i"
1.182 pazsan 84: if test "$withval" != "yes"; then
85: signals_o="io-${withval}.o"
86: else
87: signals_o="io.o"
88: fi
1.183 pazsan 89: GCC_PATH=$(which $CC)
90: LIB_PATH=${GCC_PATH%/*/*}
91: GCC_LD="\$(LD)"
1.184 pazsan 92: platform=${withval}
1.182 pazsan 93: fi])
1.167 pazsan 94:
1.104 anton 95: #variables mentioned in INSTALL
1.203 anton 96: AC_ARG_VAR(CC, [The C compiler (must support GNU C 2.x).])
1.104 anton 97: AC_ARG_VAR(FORTHSIZES, [Gforth command line options for the default stack and dictionary sizes (see INSTALL).])
1.203 anton 98: AC_ARG_VAR(STACK_CACHE_REGS, [number of registers in the maximum stack cache state for gforth-fast and gforth-native (default platform-dependent).])
1.151 anton 99: 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 100: 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)])
101:
1.104 anton 102: AC_ARG_VAR(ac_cv_sizeof_char_p, [sizeof(char *)])
1.183 pazsan 103: AC_ARG_VAR(ac_cv_sizeof_void_p, [sizeof(void *)])
1.104 anton 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)])
1.123 anton 110: AC_ARG_VAR(ac_cv_c_bigendian, [Is the target big-endian ("yes" or "no")?])
111: AC_ARG_VAR(no_dynamic_default, [run gforth with --dynamic (0) or --no-dynamic (1) by default])
1.190 anton 112: AC_ARG_VAR(condbranch_opt, [enable (1) or disable (0) using two dispatches for conditional branches])
1.166 anton 113: AC_ARG_VAR(skipcode, [assembly code for skipping 16 bytes of code])
1.174 anton 114: AC_ARG_VAR(asmcomment, [assembler comment start string])
1.175 anton 115: AC_ARG_VAR(arm_cacheflush, [file containing ARM cacheflush function (without .c)])
1.82 anton 116:
1.96 anton 117: #set up feature test macros, so the tests get them right:
118: # turn on all POSIX, SUSv3, and GNU features if available
1.97 anton 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])
1.96 anton 128: # turn on large file support with 64-bit off_t where available
1.105 anton 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])
1.96 anton 132:
1.82 anton 133: #currently we force direct threading this way. Eventually we should
134: #setup in the arch and engine files right
1.16 anton 135:
1.15 pazsan 136: AC_PROG_CC
137:
1.92 anton 138: test "$GCC" = "yes" || AC_MSG_ERROR(Gforth uses GNU C extensions and requires GCC 2.0 or higher)
1.9 pazsan 139:
1.190 anton 140: AC_MSG_CHECKING([whether to use two dispatches per conditional branch])
141: test x$condbranch_opt = x &&
142: if ($CC -v 2>&1 |grep -q 'gcc version 3'); then
143: condbranch_opt=0
144: else
145: condbranch_opt=1
146: fi
147: AC_MSG_RESULT($condbranch_opt)
148: AC_SUBST(condbranch_opt)
149:
1.15 pazsan 150: AC_SUBST(CC)
1.183 pazsan 151: AC_SUBST(GCC_LD)
1.9 pazsan 152: AC_SUBST(DEBUGFLAG)
1.178 pazsan 153: AC_SUBST(EC)
1.167 pazsan 154: AC_SUBST(EC_MODE)
1.178 pazsan 155: AC_SUBST(engine2)
156: AC_SUBST(engine_fast2)
157: AC_SUBST(no_dynamic)
158: AC_SUBST(image_i)
1.179 pazsan 159: AC_SUBST(signals_o)
1.7 anton 160:
1.174 anton 161: #this is used to disable some (not generally essential) part of the
162: #Makefile that some makes don't grok. It would be better to test for
163: #this specific Makefile feature than the make version.
1.128 pazsan 164: AC_MSG_CHECKING(make type)
1.174 anton 165: make_type=`make -n -v 2>&1|grep 'ake'|sed 's/ake .*/ake/'`
1.128 pazsan 166: GNUMAKE='#'
167: test "$make_type" = "GNU Make" && GNUMAKE=''
168: AC_MSG_RESULT($make_type)
169: AC_SUBST(GNUMAKE)
170:
1.50 jwilke 171: AC_MSG_CHECKING([whether the linker accepts -export-dynamic])
172: OLDLDFLAGS=$LDFLAGS
173: LDFLAGS="$LDFLAGS -export-dynamic"
1.69 anton 174: dnl AC_TRY_LINK gives false positive on rs6000-ibm-aix4.2.1.0
175: dnl AC_TRY_LINK(,,ac_export_dynamic=yes,ac_export_dynamic=no)
176: AC_TRY_RUN(main(){exit(0);},ac_export_dynamic=yes,ac_export_dynamic=no,ac_export_dynamic=no)
1.50 jwilke 177: test $ac_export_dynamic = yes|| LDFLAGS=$OLDLDFLAGS
178: AC_MSG_RESULT($ac_export_dynamic)
179:
1.1 anton 180: #terminology is a bit unusual here: The host is the system on which
181: #gforth will run; the system on which configure will run is the `build'
182: AC_CANONICAL_HOST
183: case "$host_cpu" in
1.136 anton 184: arm*)
185: machine=arm
186: CFLAGS="$CFLAGS -fomit-frame-pointer"
1.184 pazsan 187: if test x$platform = xnxt; then
1.183 pazsan 188: CFLAGS="$CFLAGS -mthumb -mthumb-interwork"
189: fi
1.175 anton 190: if test -z $arm_cacheflush; then
1.136 anton 191: no_dynamic_default=1
1.175 anton 192: arm_cacheflush=arch/arm/cacheflush0
1.136 anton 193: AC_MSG_WARN([No I-cache flush code known, disabling dynamic native code generation])
194: fi
1.175 anton 195: AC_LIBSOURCES([../arch/arm/cacheflush0, ../arch/arm/cacheflush1, ../arch/arm/cacheflush2])
196: AC_LIBOBJ(../$arm_cacheflush)
1.177 anton 197: #longer skipcodes lead to problems on ARM, and it uses
198: #only 4-byte alignment anyway
199: test "$skipcode" || skipcode="nop"
1.136 anton 200: ;;
1.1 anton 201: hppa*)
1.34 anton 202: machine=hppa
1.46 anton 203: $srcdir/mkinstalldirs arch/hppa
1.87 pazsan 204: AC_LIBOBJ(../arch/hppa/cache)
1.134 anton 205: #-N needed for --dynamic <M4U3b.3790$9d.317@news.cpqcorp.net>
206: LDFLAGS="$LDFLAGS -Xlinker -N"
1.47 anton 207: LIBS="$LIBS -L/lib/pa1.1/"
1.1 anton 208: ;;
209: sparc*)
1.34 anton 210: machine=sparc
1.1 anton 211: ;;
1.31 anton 212: i386)
1.34 anton 213: machine=386
1.189 anton 214: CFLAGS="$CFLAGS -fomit-frame-pointer -fforce-addr"
1.31 anton 215: ;;
216: i486)
1.34 anton 217: machine=386
1.189 anton 218: CFLAGS="$CFLAGS -fomit-frame-pointer -fforce-addr -m486"
1.31 anton 219: ;;
1.77 anton 220: i*86)
1.34 anton 221: machine=386
1.189 anton 222: CFLAGS="$CFLAGS -fomit-frame-pointer -fforce-addr"
1.56 pazsan 223: CFLAGS_1="$CFLAGS"
1.87 pazsan 224: CFLAGS="$CFLAGS -march=pentium"
1.56 pazsan 225: AC_TRY_COMPILE(,,,CFLAGS="$CFLAGS_1 -m486")
1.1 anton 226: ;;
1.133 anton 227: x86_64)
1.192 pazsan 228: case $CC
229: in
230: *-m32*)
231: machine=386
232: CFLAGS="$CFLAGS -fomit-frame-pointer -fforce-addr"
233: CFLAGS_1="$CFLAGS"
234: CFLAGS="$CFLAGS -march=athlon64"
235: ;;
236: *)
237: machine=amd64
238: ;;
239: esac
1.133 anton 240: ;;
1.136 anton 241: ia64*)
242: machine=ia64
243: AC_LIBOBJ(../arch/ia64/flush_icache_block)
244: test "$skipcode" || skipcode="nop.i 0"
245: #".skip 16" passes the test below,
246: # but gives an assembler error in engine
247: ;;
1.26 pazsan 248: m68k)
1.34 anton 249: machine=m68k
1.32 pazsan 250: CFLAGS="$CFLAGS -fomit-frame-pointer"
251: if test "$host_os" = "nextstep3"
252: then
1.87 pazsan 253: AC_LIBOBJ(termios)
1.32 pazsan 254: fi
1.26 pazsan 255: ;;
1.1 anton 256: mips*)
1.34 anton 257: machine=mips
1.92 anton 258: #dynamic native code has the following problems on MIPS:
259: #
260: #1) J/JAL seems relocatable, but is are only
261: #relocatable within a 256MB-segment. While we try to
262: #get the linker to arrange this, there is no guarantee
263: #that this will succeed (and if the user uses a lot of
264: #memory, it is likely to fail).
265: #
266: #2) The way we generate dynamic native code may
267: #violate MIPS architectural restrictions (in
268: #particular, the delay slots of LW, MFLO, etc.)
269: #
270: #Therefore we disable dynamic native code by default:
1.136 anton 271: if test -z $no_dynamic_default; then
272: no_dynamic_default=1
273: AC_MSG_WARN([Disabling default dynamic native code generation (relocation and delay slot issues)])
274: fi
1.1 anton 275: ;;
1.9 pazsan 276: alpha*)
1.34 anton 277: machine=alpha
1.58 anton 278: #full IEEE FP support for more uniformity across platforms:
279: CFLAGS="$CFLAGS -mieee"
1.9 pazsan 280: ;;
1.69 anton 281: power*|rs6000)
1.34 anton 282: machine=power
1.46 anton 283: $srcdir/mkinstalldirs arch/power
1.138 anton 284: AC_CHECK_FUNC(_sync_cache_range,[true],[AC_LIBOBJ(../arch/power/_sync_cache_range)])
1.103 anton 285: #long long is broken on (at least) gcc-2.95.* for PPC
1.165 anton 286: test x$ac_cv_sizeof_long_long = x &&
287: ($CC -v 2>&1 |grep -q 'gcc version 2.95') &&
288: ac_cv_sizeof_long_long=0
1.203 anton 289: #The only architecture with enough callee-saved registers
290: test x$STACK_CACHE_REGS = x && STACK_CACHE_REGS=3
291: #or use 2, hardly slower at run-time and starts up faster
1.31 anton 292: ;;
1.1 anton 293: *)
1.92 anton 294: AC_MSG_WARN([Using a generic machine description])
295: AC_MSG_WARN([Assuming C floats and doubles are IEEE floats and doubles (for SF@ DF@ SF! DF!)])
296: AC_MSG_WARN([FLUSH-ICACHE will do nothing, so END-CODE may not work properly!])
1.34 anton 297: machine=generic
1.97 anton 298: #I-cache flushing would be needed for dynamic code generation
1.136 anton 299: if test -z $no_dynamic_default; then
300: no_dynamic_default=1
301: AC_MSG_WARN([No I-cache flush code known, disabling dynamic native code generation])
302: fi
1.1 anton 303: esac
1.10 anton 304: AC_SUBST(host)
1.151 anton 305:
1.184 pazsan 306: MAKEINC=""
307:
308: echo "Check for arch/$machine/$platform/gforth.ld ($EC_MODE)"
1.183 pazsan 309: if test x$EC_MODE = xtrue
310: then
1.184 pazsan 311: echo "Check for arch/$machine/$platform/gforth.ld"
312: if test -f arch/$machine/$platform/gforth.ld
1.183 pazsan 313: then
1.184 pazsan 314: LDFLAGS="-T ../arch/$machine/$platform/gforth.ld -Map \$@.map -cref --gc-sections $LDFLAGS"
315: if test x$platform = xnxt; then
1.183 pazsan 316: 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 $LIBS"
317: fi
318: fi
1.184 pazsan 319: if test -f arch/$machine/$platform/make.inc
320: then
321: MAKEINC="include ../arch/$machine/$platform/make.inc"
322: fi
1.183 pazsan 323: fi
1.184 pazsan 324: AC_SUBST(MAKEINC)
1.183 pazsan 325:
1.203 anton 326: AC_ARG_VAR(STACK_CACHE_REGS, [number of registers in the maximum stack cache state for gforth-fast and gforth-native (default platform-dependent).])
327:
328: test x$STACK_CACHE_REGS = x && STACK_CACHE_REGS=1
329: AC_DEFINE_UNQUOTED(STACK_CACHE_REGS, $STACK_CACHE_REGS,
330: [number of registers in the maximum stack cache state for gforth-fast and gforth-native])
1.151 anton 331: test x$STACK_CACHE_DEFAULT_FAST = x && STACK_CACHE_DEFAULT_FAST=1
332: AC_DEFINE_UNQUOTED(STACK_CACHE_DEFAULT_FAST, $STACK_CACHE_DEFAULT_FAST,
333: [number of registers in the default stack cache state for gforth-fast and gforth-native])
1.146 pazsan 334:
1.173 anton 335: test x$GCC_PR15242_WORKAROUND = x ||
336: AC_DEFINE_UNQUOTED(GCC_PR15242_WORKAROUND, $GCC_PR15242_WORKAROUND,
337: [force (1) or forbid (0) use of a workaround for a gcc performance bug])
338:
1.103 anton 339: dnl the following macro produces a warning with autoconf-2.1
340: AC_CHECK_SIZEOF(char *)
341: case "$ac_cv_sizeof_char_p" in
342: 2)
343: wordsize=16
344: ;;
345: 4)
346: wordsize=32
347: ;;
348: 8)
349: wordsize=64
350: ;;
351: esac
352:
1.183 pazsan 353: AC_CHECK_SIZEOF(void *)
354: case "$ac_cv_sizeof_void_p" in
355: 2)
356: vwordsize=16
357: ;;
358: 4)
359: vwordsize=32
360: ;;
361: 8)
362: vwordsize=64
363: ;;
364: esac
365:
1.103 anton 366: AC_CHECK_SIZEOF(char)
367: AC_CHECK_SIZEOF(short)
368: AC_CHECK_SIZEOF(int)
369: AC_CHECK_SIZEOF(long)
370: AC_CHECK_SIZEOF(long long)
371: AC_CHECK_SIZEOF(intptr_t)
372: AC_CHECK_SIZEOF(int128_t)
1.144 pazsan 373: AC_CHECK_SIZEOF(uint128_t)
1.103 anton 374:
375: AC_MSG_CHECKING([for a C type for cells])
376: ac_cv_int_type_cell=none
377: case "$ac_cv_sizeof_char_p" in
378: $ac_cv_sizeof_int)
379: ac_cv_int_type_cell=int
380: ;;
381: $ac_cv_sizeof_short)
382: ac_cv_int_type_cell=short
383: ;;
384: $ac_cv_sizeof_char)
385: ac_cv_int_type_cell=char
386: ;;
387: $ac_cv_sizeof_long)
388: ac_cv_int_type_cell=long
389: ;;
390: $ac_cv_sizeof_long_long)
391: ac_cv_int_type_cell="long long"
392: ;;
393: $ac_cv_sizeof_intptr_t)
394: ac_cv_int_type_cell="intptr_t"
395: ;;
396: esac
397: AC_MSG_RESULT($ac_cv_int_type_cell)
398: AC_DEFINE_UNQUOTED(CELL_TYPE,$ac_cv_int_type_cell,[an integer type that is as long as a pointer])
399:
1.153 pazsan 400: AC_MSG_CHECKING([for a C type for wydes])
401: ac_cv_wyde_type_cell=none
402: case 2 in
403: $ac_cv_sizeof_int)
404: ac_cv_wyde_type_cell=int
405: ;;
406: $ac_cv_sizeof_short)
407: ac_cv_wyde_type_cell=short
408: ;;
409: $ac_cv_sizeof_char)
410: ac_cv_wyde_type_cell=char
411: ;;
412: $ac_cv_sizeof_long)
413: ac_cv_wyde_type_cell=long
414: ;;
415: $ac_cv_sizeof_long_long)
416: ac_cv_wyde_type_cell="long long"
417: ;;
418: $ac_cv_sizeof_intptr_t)
419: ac_cv_wyde_type_cell="intptr_t"
420: ;;
421: esac
422: AC_MSG_RESULT($ac_cv_wyde_type_cell)
423: AC_DEFINE_UNQUOTED(WYDE_TYPE,$ac_cv_wyde_type_cell,[an integer type that is 2 bytes long])
424:
425: AC_MSG_CHECKING([for a C type for tetrabytes])
426: ac_cv_tetrabyte_type_cell=none
427: case 4 in
428: $ac_cv_sizeof_int)
429: ac_cv_tetrabyte_type_cell=int
430: ;;
431: $ac_cv_sizeof_short)
432: ac_cv_tetrabyte_type_cell=short
433: ;;
434: $ac_cv_sizeof_char)
435: ac_cv_tetrabyte_type_cell=char
436: ;;
437: $ac_cv_sizeof_long)
438: ac_cv_tetrabyte_type_cell=long
439: ;;
440: $ac_cv_sizeof_long_long)
441: ac_cv_tetrabyte_type_cell="long long"
442: ;;
443: $ac_cv_sizeof_intptr_t)
444: ac_cv_tetrabyte_type_cell="intptr_t"
445: ;;
446: esac
447: AC_MSG_RESULT($ac_cv_tetrabyte_type_cell)
448: AC_DEFINE_UNQUOTED(TETRABYTE_TYPE,$ac_cv_tetrabyte_type_cell,[an integer type that is 4 bytes long])
449:
1.103 anton 450: AC_MSG_CHECKING([for a C type for double-cells])
451: ac_cv_int_type_double_cell=none
452: case `expr 2 '*' "$ac_cv_sizeof_char_p"` in
453: $ac_cv_sizeof_short)
454: ac_cv_int_type_double_cell=short
455: ;;
456: $ac_cv_sizeof_int)
457: ac_cv_int_type_double_cell=int
458: ;;
459: $ac_cv_sizeof_long)
460: ac_cv_int_type_double_cell=long
461: ;;
462: $ac_cv_sizeof_long_long)
463: ac_cv_int_type_double_cell="long long"
464: ;;
465: $ac_cv_sizeof_intptr_t)
466: ac_cv_int_type_double_cell="intptr_t"
467: ;;
1.205 anton 468: $ac_cv_sizeof_int128_t)
1.103 anton 469: ac_cv_int_type_double_cell="int128_t"
470: ;;
471: esac
472: AC_MSG_RESULT($ac_cv_int_type_double_cell)
1.144 pazsan 473:
474: AC_MSG_CHECKING([for a C type for unsigned double-cells])
475: ac_cv_int_type_double_ucell=none
476: case `expr 2 '*' "$ac_cv_sizeof_char_p"` in
477: $ac_cv_sizeof_short)
478: ac_cv_int_type_double_ucell="unsigned short"
479: ;;
480: $ac_cv_sizeof_int)
481: ac_cv_int_type_double_ucell="unsigned int"
482: ;;
483: $ac_cv_sizeof_long)
484: ac_cv_int_type_double_ucell="unsigned long"
485: ;;
486: $ac_cv_sizeof_long_long)
487: ac_cv_int_type_double_ucell="unsigned long long"
488: ;;
489: $ac_cv_sizeof_intptr_t)
490: ac_cv_int_type_double_ucell="unsigned intptr_t"
491: ;;
492: $ac_cv_sizeof_uint128_t)
493: ac_cv_int_type_double_ucell="uint128_t"
494: ;;
495: esac
496: AC_MSG_RESULT($ac_cv_int_type_double_ucell)
497:
1.204 anton 498: if test "$ac_cv_int_type_double_cell" != none && \
499: test "$ac_cv_int_type_double_ucell" != none
1.144 pazsan 500: then
1.103 anton 501: AC_DEFINE_UNQUOTED(DOUBLE_CELL_TYPE,$ac_cv_int_type_double_cell,[an integer type that is twice as long as a pointer])
1.144 pazsan 502: AC_DEFINE_UNQUOTED(DOUBLE_UCELL_TYPE,$ac_cv_int_type_double_ucell,[an unsigned integer type that is twice as long as a pointer])
1.206 anton 503: OPTS=-ll
504: else
505: if test "$ac_cv_sizeof_char_p" == 8; then
506: OPTS="-ll -no-ll"
507: else
508: OPTS=-noll
509: fi
1.103 anton 510: fi
1.207 ! anton 511:
! 512: if grep -q FORCE_REG arch/$machine/machine.h; then
! 513: OPTS=`for i in $OPTS; do echo -n "$i-reg "; done`$OPTS
! 514: fi
1.206 anton 515: AC_SUBST(OPTS)
1.103 anton 516:
517: AC_TYPE_OFF_T
518: AC_CHECK_SIZEOF(off_t)
519: test $ac_cv_sizeof_off_t -gt $ac_cv_sizeof_char_p
520: ac_small_off_t=$?
521: AC_DEFINE_UNQUOTED(SMALL_OFF_T,$ac_small_off_t,[1 if off_t fits in a Cell])
1.1 anton 522:
1.109 anton 523: ENGINE_FLAGS=
524: AC_SUBST(ENGINE_FLAGS)
525:
526: # Try if GCC understands -fno-gcse
527:
528: AC_MSG_CHECKING([if $CC understands -fno-gcse])
529: CFLAGS_1="$CFLAGS"
530: CFLAGS="$CFLAGS -fno-gcse"
531: AC_TRY_COMPILE(,,ac_nogcse=yes;ENGINE_FLAGS="$ENGINE_FLAGS -fno-gcse",ac_nogcse=no)
532: CFLAGS="$CFLAGS_1"
533: AC_MSG_RESULT($ac_nogcse)
534:
535: # Try if GCC understands -fno-strict-aliasing
536: AC_MSG_CHECKING([if $CC understands -fno-strict-aliasing])
537: CFLAGS_1="$CFLAGS"
538: CFLAGS="$CFLAGS -fno-strict-aliasing"
539: AC_TRY_COMPILE(,,ac_nostrictaliasing=yes;ENGINE_FLAGS="$ENGINE_FLAGS -fno-strict-aliasing",ac_nostrictaliasing=no)
540: CFLAGS="$CFLAGS_1"
541: AC_MSG_RESULT($ac_nostrictaliasing)
542:
1.123 anton 543: # Try if GCC understands -fno-crossjumping
544: AC_MSG_CHECKING([if $CC understands -fno-crossjumping])
1.88 pazsan 545: CFLAGS_1="$CFLAGS"
1.123 anton 546: CFLAGS="$CFLAGS -fno-crossjumping"
1.125 anton 547: AC_TRY_COMPILE(,,ac_nocrossjumping=yes;ENGINE_FLAGS="$ENGINE_FLAGS -fno-crossjumping",ac_nocrossjumping=no)
1.109 anton 548: CFLAGS="$CFLAGS_1"
1.124 pazsan 549: AC_MSG_RESULT($ac_nocrossjumping)
1.88 pazsan 550:
1.137 pazsan 551: # Try if GCC understands -fno-reorder-blocks
552: AC_MSG_CHECKING([if $CC understands -fno-reorder-blocks])
553: CFLAGS_1="$CFLAGS"
554: CFLAGS="$CFLAGS -fno-reorder-blocks"
555: AC_TRY_COMPILE(,,ac_noreorder_blocks=yes;ENGINE_FLAGS="$ENGINE_FLAGS -fno-reorder-blocks",ac_noreorder_blocks=no)
556: CFLAGS="$CFLAGS_1"
557: AC_MSG_RESULT($ac_noreorder_blocks)
558:
1.189 anton 559: # Try if GCC understands -falign-labels=1
560: AC_MSG_CHECKING([if $CC understands -falign-labels=1])
561: CFLAGS_1="$CFLAGS"
562: CFLAGS="$CFLAGS -falign-labels=1"
1.194 anton 563: AC_TRY_COMPILE(,,ac_align_labels=yes;ENGINE_FLAGS="$ENGINE_FLAGS -falign-labels=1",ac_align_labels=no)
1.189 anton 564: CFLAGS="$CFLAGS_1"
565: AC_MSG_RESULT($ac_align_labels)
566:
1.193 anton 567: # Try if GCC understands -falign-loops=1
568: AC_MSG_CHECKING([if $CC understands -falign-loops=1])
569: CFLAGS_1="$CFLAGS"
570: CFLAGS="$CFLAGS -falign-loops=1"
1.194 anton 571: AC_TRY_COMPILE(,,ac_align_loops=yes;ENGINE_FLAGS="$ENGINE_FLAGS -falign-loops=1",ac_align_loops=no)
1.193 anton 572: CFLAGS="$CFLAGS_1"
573: AC_MSG_RESULT($ac_align_loops)
574:
575: # Try if GCC understands -falign-jumps=1
576: AC_MSG_CHECKING([if $CC understands -falign-jumps=1])
577: CFLAGS_1="$CFLAGS"
578: CFLAGS="$CFLAGS -falign-jumps=1"
1.194 anton 579: AC_TRY_COMPILE(,,ac_align_jumps=yes;ENGINE_FLAGS="$ENGINE_FLAGS -falign-jumps=1",ac_align_jumps=no)
1.193 anton 580: CFLAGS="$CFLAGS_1"
581: AC_MSG_RESULT($ac_align_jumps)
582:
1.130 anton 583: # Try if GCC understands __attribute__((unused))
584: AC_MSG_CHECKING([how to suppress 'unused variable' warnings])
585: AC_TRY_COMPILE(,[int __attribute__((unused)) foo;], MAYBE_UNUSED='__attribute__((unused))',)
586: AC_DEFINE_UNQUOTED(MAYBE_UNUSED,$MAYBE_UNUSED,[attribute for possibly unused variables])
587: AC_MSG_RESULT($MAYBE_UNUSED)
588:
1.195 anton 589: #try if m4 understands -s
590: AC_MSG_CHECKING([how to invoke m4])
1.196 anton 591: if m4 -s /dev/null >/dev/null 2>&1; then
1.195 anton 592: M4="m4 -s"
593: else
594: M4=m4
595: fi
596: AC_SUBST(M4)
597: AC_DEFINE_UNQUOTED(M4,"$M4",[How to invoke m4])
598: AC_MSG_RESULT($M4)
599:
1.202 pazsan 600: # Find installed Gforth
601: AC_MSG_CHECKING([for gforth])
602: GFORTH="`which gforth 2>/dev/null`"
603: if test ! -z "$GFORTH"; then GFORTH="$GFORTH -m4M" ; fi
604: AC_SUBST(GFORTH)
605: AC_DEFINE_UNQUOTED(GFORTH,"$GFORTH",[How to invoke gforth])
606: AC_MSG_RESULT($GFORTH)
607:
1.191 anton 608: echo "machine='$machine'"
609:
610: dnl AC_CHECK_PROG(asm_fs,asm.fs,arch/$machine/asm.fs,,$srcdir/arch/$machine)
611: AC_CHECK_FILE($srcdir/arch/$machine/asm.fs,[asm_fs=arch/$machine/asm.fs],)
1.61 anton 612: AC_SUBST(asm_fs)
613:
1.191 anton 614: dnl AC_CHECK_PROG(disasm_fs,disasm.fs,arch/$machine/disasm.fs,,$srcdir/arch/$machine)
615: AC_CHECK_FILE($srcdir/arch/$machine/disasm.fs,[disasm_fs=arch/$machine/disasm.fs],)
1.61 anton 616: AC_SUBST(disasm_fs)
617:
1.116 anton 618: AC_PATH_PROG(INSTALL_INFO,install-info,[echo '>>>>Please make info dir entry:'],$PATH:/sbin:/usr/sbin:/usr/local/sbin)
1.114 anton 619:
1.39 pazsan 620: case "$host_os" in
1.157 pazsan 621: *win32*)
622: # !!!FIXME!!! problems with cygwin and ';' as path separator
1.108 anton 623: DIRSEP="\\\\"
1.127 anton 624: PATHSEP=";"
1.142 anton 625: #we want the builtins of command.com/cmd.exe and its
626: # handling of .com files.
627: #$COMSPEC contains the name of the Windows shell;
628: # the ./ is there, because the bash does not recognize
629: # absolute DOS filenames
630: DEFAULTSYSTEMPREFIX="./$COMSPEC /c "
1.39 pazsan 631: ;;
1.97 anton 632: *darwin*)
633: #Darwin uses some funny preprocessor by default; eliminate it:
1.127 anton 634: AC_MSG_NOTICE([using -no-cpp-precomp on Darwin])
1.120 anton 635: CFLAGS="$CFLAGS -no-cpp-precomp"
1.98 anton 636: DIRSEP="/"
1.127 anton 637: PATHSEP=":"
1.141 anton 638: DEFAULTSYSTEMPREFIX=""
1.98 anton 639: ;;
1.39 pazsan 640: *)
1.88 pazsan 641: DIRSEP="/"
1.127 anton 642: PATHSEP=":"
1.141 anton 643: DEFAULTSYSTEMPREFIX=""
1.39 pazsan 644: ;;
645: esac
1.88 pazsan 646: AC_SUBST(DIRSEP)
1.89 pazsan 647: AC_DEFINE_UNQUOTED(DIRSEP,'$DIRSEP',[a directory separator character])
1.127 anton 648: AC_SUBST(PATHSEP)
649: AC_DEFINE_UNQUOTED(PATHSEP,'$PATHSEP',[a path separator character])
1.141 anton 650: AC_SUBST(DEFAULTSYSTEMPREFIX)
651: AC_DEFINE_UNQUOTED(DEFAULTSYSTEMPREFIX,"$DEFAULTSYSTEMPREFIX",[default for environment variable GFORTHSYSTEMPREFIX])
1.39 pazsan 652:
1.170 anton 653: #work around SELinux brain damage (from Andrew Haley <12t8f3jakb74g2c@news.supernews.com>)
1.172 anton 654: #This magic incantation seems to be completely undocumented.
655: AC_CHECK_PROG([MASSAGE_EXE],[chcon],[chcon -t unconfined_execmem_exec_t],[true])
1.170 anton 656:
1.1 anton 657: dnl Now a little support for DOS/DJGCC
1.30 pazsan 658: AC_SUBST(GFORTH_EXE)
1.172 anton 659: GFORTH_EXE=""
1.48 anton 660: AC_SUBST(GFORTHFAST_EXE)
1.172 anton 661: GFORTHFAST_EXE=""
1.83 anton 662: AC_SUBST(GFORTHITC_EXE)
663: GFORTHITC_EXE=""
1.30 pazsan 664: AC_SUBST(GFORTHDITC_EXE)
665: GFORTHDITC_EXE=""
1.27 anton 666:
667: AC_SUBST(FORTHSIZES)
1.24 anton 668:
1.104 anton 669: dnl if test "$PEEPHOLE" = "yes"
670: dnl then
671: dnl PEEPHOLEFLAG="true"
672: dnl AC_DEFINE(HAS_PEEPHOLE,,[Define if you want to use peephole optimization])
673: dnl else
674: dnl PEEPHOLEFLAG="false"
675: dnl fi
676: PEEPHOLEFLAG="true"
1.79 pazsan 677: AC_SUBST(PEEPHOLEFLAG)
678:
1.1 anton 679: dnl copy commands for systems that don't have links
1.29 pazsan 680: AC_SUBST(LINK_KERNL)
681: LINK_KERNL=""
1.1 anton 682:
683: #if test $host_os=dos
684: #then
685: # echo Configuring for DOS!!!
686: # MAKE_EXE="coff2exe gforth"
1.29 pazsan 687: # LINK_KERNL='$(CP) kernl32l.fi kernel.fi'
1.1 anton 688: #fi
689:
690: dnl the following macro produces a warning with autoconf-2.1
691: AC_C_BIGENDIAN
1.23 pazsan 692: AC_SUBST(KERNEL)
1.1 anton 693: dnl ac_cv_c_bigendian is an undocumented variable of autoconf-2.1
694: if test $ac_cv_c_bigendian = yes; then
695: bytesex=b
1.23 pazsan 696: KERNEL="kernl16b.fi kernl16l.fi kernl32b.fi kernl32l.fi kernl64b.fi kernl64l.fi"
1.1 anton 697: else
698: bytesex=l
1.23 pazsan 699: KERNEL="kernl16l.fi kernl16b.fi kernl32l.fi kernl32b.fi kernl64l.fi kernl64b.fi"
1.1 anton 700: fi
701:
1.91 anton 702: #check how to do asm(".skip 16")
1.169 anton 703: #echo "CFLAGS=$CFLAGS"
704: #echo "ac_link=$ac_link"
1.92 anton 705: AC_MSG_CHECKING([if and how we can waste code space])
1.136 anton 706: if test -z "$skipcode"; then
1.148 anton 707: skipcode=no
708: CFLAGS_1="$CFLAGS"
709: CFLAGS="$CFLAGS $ENGINE_FLAGS"
1.136 anton 710: for i in ".skip 16" ".block 16" ".org .+16" ".=.+16" ".space 16"
711: do
1.91 anton 712: AC_TRY_RUN(
1.136 anton 713: [int foo(int,int,int);
1.91 anton 714: main()
715: {
1.136 anton 716: exit(foo(0,0,0)!=16);
1.91 anton 717: }
1.136 anton 718: int foo(int x, int y, int z)
1.91 anton 719: {
1.136 anton 720: static void *labels[]={&&label1, &&label2};
1.91 anton 721: if (x) {
1.136 anton 722: y++; /* workaround for http://gcc.gnu.org/bugzilla/show_bug.cgi?id=12108 */
1.91 anton 723: label1:
1.148 anton 724: asm("$i"); /* or ".space 16" or somesuch */
1.136 anton 725: label2: ;
726: }
727: {
728: if (y) goto *labels[z]; /* workaround for gcc PR12108 */
729: return labels[1]-labels[0];
1.91 anton 730: }
1.136 anton 731: }]
1.92 anton 732: ,skipcode=$i; break
733: ,,)
1.136 anton 734: done
1.148 anton 735: CFLAGS=$CFLAGS_1
1.136 anton 736: fi
1.92 anton 737: AC_MSG_RESULT($skipcode)
738: if test "$skipcode" = no
739: then
1.136 anton 740: if test -z $no_dynamic_default; then
741: no_dynamic_default=1
742: AC_MSG_WARN(Disabling default dynamic native code generation)
743: fi
1.92 anton 744: AC_DEFINE_UNQUOTED(SKIP16,((void)0),statement for skipping 16 bytes)
745: else
746: AC_DEFINE_UNQUOTED(SKIP16,asm("$skipcode"),statement for skipping 16 bytes)
747: fi
1.91 anton 748:
1.174 anton 749: AC_MSG_CHECKING([if and how we can do comments in asm statements])
750: #the point here is to get asm statements that look different to
751: #gcc's "optimizer"
752: if test -z "$asmcomment"; then
753: asmcomment=no
754: CFLAGS_1="$CFLAGS"
755: CFLAGS="$CFLAGS $ENGINE_FLAGS"
1.176 anton 756: for i in '"# "' '"! "' '"; "'; do
1.174 anton 757: AC_TRY_COMPILE(,[asm($i"fluffystunk");],asmcomment=$i; break,)
758: done
759: CFLAGS=$CFLAGS_1
760: fi
761: AC_MSG_RESULT($asmcomment)
762: if test "$asmcomment" != no
763: then
764: AC_DEFINE_UNQUOTED(ASMCOMMENT,$asmcomment,[assembler comment start string])
765: fi
766:
1.136 anton 767: test "$no_dynamic_default" || no_dynamic_default=0
1.92 anton 768: AC_DEFINE_UNQUOTED(NO_DYNAMIC_DEFAULT,$no_dynamic_default,default value for no_dynamic)
1.91 anton 769:
1.1 anton 770: dnl Checks for programs.
771: AC_PROG_LN_S
1.95 anton 772: AC_PROG_INSTALL
1.163 pazsan 773: AC_CHECK_PROGS(TEXI2DVI,texi2dvi4a2ps texi2dvi)
1.1 anton 774:
1.198 anton 775: dnl MacOS X has a libtool that does something else
776: AC_CHECK_PROGS(GNU_LIBTOOL,glibtool libtool)
777:
1.1 anton 778: dnl Checks for library functions
1.2 anton 779: dnl This check is just for making later checks link with libm.
780: dnl using sin here is no good idea since it is built-into gcc and typechecked
781: AC_CHECK_LIB(m,asin)
1.197 anton 782: AC_CHECK_LIB(ltdl,lt_dlinit)
1.31 anton 783: AC_CHECK_LIB(dl,dlopen)
1.152 pazsan 784: dnl check for libffi 2.x
785: AC_CHECK_LIB(ffi,ffi_call)
786: if test $ac_cv_lib_ffi_ffi_call = yes
787: then
788: LIBFFIFLAG="true"
789: FFCALLFLAG="false"
790: OLDCALLFLAG="false"
791: AC_DEFINE(HAS_LIBFFI,,[define this if you want to use the ffcall interface with libffi 2.0])
792: else
1.124 pazsan 793: dnl check for ffcall libraries
794: dnl unfortunately, these four calls are separated out into a library each.
795: AC_CHECK_LIB(avcall,__builtin_avcall)
796: AC_CHECK_LIB(callback,__vacall_r)
797: AC_CHECK_LIB(vacall,vacall)
798: AC_CHECK_LIB(trampoline,alloc_trampoline)
1.152 pazsan 799: LIBFFIFLAG="false"
1.125 anton 800: FFCALLFLAG="false"
1.129 pazsan 801: OLDCALLFLAG="true"
802: 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])
803: test $ac_cv_lib_avcall___builtin_avcall = no && AC_DEFINE(HAS_OLDCALL,,[define this if you want to use the old call libraries])
1.152 pazsan 804: fi
805: AC_SUBST(LIBFFIFLAG)
1.125 anton 806: AC_SUBST(FFCALLFLAG)
1.129 pazsan 807: AC_SUBST(OLDCALLFLAG)
1.32 pazsan 808: if test "$host_os" != "nextstep3"
809: then
810: AC_FUNC_MEMCMP
811: fi
1.25 pazsan 812: AC_REPLACE_FUNCS(memmove strtoul pow10 strerror strsignal atanh)
1.97 anton 813: AC_FUNC_FSEEKO
1.186 anton 814: AC_CHECK_FUNCS(ftello dlopen sys_siglist getrusage nanosleep)
1.111 anton 815: AC_CHECK_TYPES(stack_t,,,[#include <signal.h>])
1.19 anton 816: AC_DECL_SYS_SIGLIST
1.138 anton 817: AC_CHECK_FUNC(getopt_long,[true],[AC_LIBOBJ(getopt) AC_LIBOBJ(getopt1)])
1.90 anton 818: AC_CHECK_FUNCS(expm1 log1p)
819: AC_REPLACE_FUNCS(rint ecvt)
1.1 anton 820: dnl No check for select, because our replacement is no good under
821: dnl anything but DOS
1.62 anton 822: AC_CHECK_HEADERS(sys/mman.h fnmatch.h)
1.63 anton 823: AC_FUNC_FNMATCH
1.87 pazsan 824: test $ac_cv_func_fnmatch_works = yes || AC_LIBOBJ(fnmatch)
1.28 anton 825: AC_CHECK_FUNCS(mmap sysconf getpagesize)
1.34 anton 826: AM_PATH_LISPDIR
1.1 anton 827:
1.183 pazsan 828: kernel_fi=kernl${vwordsize}${bytesex}.fi
1.178 pazsan 829: include_fi=kernl${wordsize}${bytesex}${EC}.fi
1.23 pazsan 830: AC_SUBST(kernel_fi)
1.178 pazsan 831: AC_SUBST(include_fi)
1.50 jwilke 832:
1.76 anton 833: #this breaks bindists
834: #dnl replace srource directory by absolute value
835: #if test $srcdir = "."; then srcdir=`pwd`
836: #fi
1.8 anton 837:
1.34 anton 838: AC_SUBST(machine)
1.95 anton 839: AC_CONFIG_FILES([
1.31 anton 840: Makefile
1.45 pazsan 841: Makedist
1.43 anton 842: gforthmi
1.80 anton 843: vmgen
1.79 pazsan 844: machpc.fs
1.159 pazsan 845: envos.fs
1.35 anton 846: engine/Makefile
1.188 anton 847: engine/libcc.h
1.161 pazsan 848: doc/version.texi
849: build-ec ])
1.95 anton 850: AC_CONFIG_COMMANDS([stamp-h],[[echo timestamp > stamp-h
1.43 anton 851: chmod +x gforthmi
1.80 anton 852: chmod +x vmgen
1.162 pazsan 853: chmod +x build-ec
1.188 anton 854: test -d kernel||mkdir kernel
855: $srcdir/mkinstalldirs include/gforth/$PACKAGE_VERSION
1.199 anton 856: ln -sf ../../../engine/config.h ../../../engine/libcc.h include/gforth/$PACKAGE_VERSION]],[[PACKAGE_VERSION=$PACKAGE_VERSION]])
1.95 anton 857: AC_OUTPUT
1.44 anton 858:
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