Annotation of gforth/configure.in, revision 1.217
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
1.216 pazsan 23: AC_INIT([gforth],[0.6.9-20080223],[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!
1.216 pazsan 28: UPDATED="February 23, 2008"
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 $arm_cacheflush; then
1.212 dvdkhlng 191: case "$host_os" in
192: *linux*)
193: arm_cacheflush=arch/arm/cacheflush-linux
194: ;;
195: *)
196: no_dynamic_default=1
197: arm_cacheflush=arch/arm/cacheflush0
198: AC_MSG_WARN([No I-cache flush code known, disabling dynamic native code generation])
199: ;;
200: esac
1.136 anton 201: fi
1.212 dvdkhlng 202: AC_LIBSOURCES([../arch/arm/cacheflush0, dnl
203: ../arch/arm/cacheflush-linux])
1.175 anton 204: AC_LIBOBJ(../$arm_cacheflush)
1.177 anton 205: #longer skipcodes lead to problems on ARM, and it uses
206: #only 4-byte alignment anyway
207: test "$skipcode" || skipcode="nop"
1.136 anton 208: ;;
1.1 anton 209: hppa*)
1.34 anton 210: machine=hppa
1.46 anton 211: $srcdir/mkinstalldirs arch/hppa
1.87 pazsan 212: AC_LIBOBJ(../arch/hppa/cache)
1.134 anton 213: #-N needed for --dynamic <M4U3b.3790$9d.317@news.cpqcorp.net>
214: LDFLAGS="$LDFLAGS -Xlinker -N"
1.47 anton 215: LIBS="$LIBS -L/lib/pa1.1/"
1.1 anton 216: ;;
217: sparc*)
1.34 anton 218: machine=sparc
1.1 anton 219: ;;
1.31 anton 220: i386)
1.34 anton 221: machine=386
1.189 anton 222: CFLAGS="$CFLAGS -fomit-frame-pointer -fforce-addr"
1.31 anton 223: ;;
224: i486)
1.34 anton 225: machine=386
1.189 anton 226: CFLAGS="$CFLAGS -fomit-frame-pointer -fforce-addr -m486"
1.31 anton 227: ;;
1.77 anton 228: i*86)
1.34 anton 229: machine=386
1.189 anton 230: CFLAGS="$CFLAGS -fomit-frame-pointer -fforce-addr"
1.56 pazsan 231: CFLAGS_1="$CFLAGS"
1.87 pazsan 232: CFLAGS="$CFLAGS -march=pentium"
1.56 pazsan 233: AC_TRY_COMPILE(,,,CFLAGS="$CFLAGS_1 -m486")
1.1 anton 234: ;;
1.133 anton 235: x86_64)
1.192 pazsan 236: case $CC
237: in
238: *-m32*)
239: machine=386
240: CFLAGS="$CFLAGS -fomit-frame-pointer -fforce-addr"
241: CFLAGS_1="$CFLAGS"
242: CFLAGS="$CFLAGS -march=athlon64"
243: ;;
244: *)
245: machine=amd64
246: ;;
247: esac
1.133 anton 248: ;;
1.136 anton 249: ia64*)
250: machine=ia64
251: AC_LIBOBJ(../arch/ia64/flush_icache_block)
252: test "$skipcode" || skipcode="nop.i 0"
253: #".skip 16" passes the test below,
254: # but gives an assembler error in engine
255: ;;
1.26 pazsan 256: m68k)
1.34 anton 257: machine=m68k
1.32 pazsan 258: CFLAGS="$CFLAGS -fomit-frame-pointer"
259: if test "$host_os" = "nextstep3"
260: then
1.87 pazsan 261: AC_LIBOBJ(termios)
1.32 pazsan 262: fi
1.26 pazsan 263: ;;
1.1 anton 264: mips*)
1.34 anton 265: machine=mips
1.92 anton 266: #dynamic native code has the following problems on MIPS:
267: #
268: #1) J/JAL seems relocatable, but is are only
269: #relocatable within a 256MB-segment. While we try to
270: #get the linker to arrange this, there is no guarantee
271: #that this will succeed (and if the user uses a lot of
272: #memory, it is likely to fail).
273: #
274: #2) The way we generate dynamic native code may
275: #violate MIPS architectural restrictions (in
276: #particular, the delay slots of LW, MFLO, etc.)
277: #
278: #Therefore we disable dynamic native code by default:
1.136 anton 279: if test -z $no_dynamic_default; then
280: no_dynamic_default=1
281: AC_MSG_WARN([Disabling default dynamic native code generation (relocation and delay slot issues)])
282: fi
1.1 anton 283: ;;
1.9 pazsan 284: alpha*)
1.34 anton 285: machine=alpha
1.58 anton 286: #full IEEE FP support for more uniformity across platforms:
287: CFLAGS="$CFLAGS -mieee"
1.9 pazsan 288: ;;
1.69 anton 289: power*|rs6000)
1.34 anton 290: machine=power
1.46 anton 291: $srcdir/mkinstalldirs arch/power
1.138 anton 292: AC_CHECK_FUNC(_sync_cache_range,[true],[AC_LIBOBJ(../arch/power/_sync_cache_range)])
1.103 anton 293: #long long is broken on (at least) gcc-2.95.* for PPC
1.165 anton 294: test x$ac_cv_sizeof_long_long = x &&
295: ($CC -v 2>&1 |grep -q 'gcc version 2.95') &&
296: ac_cv_sizeof_long_long=0
1.203 anton 297: #The only architecture with enough callee-saved registers
298: test x$STACK_CACHE_REGS = x && STACK_CACHE_REGS=3
299: #or use 2, hardly slower at run-time and starts up faster
1.31 anton 300: ;;
1.1 anton 301: *)
1.92 anton 302: AC_MSG_WARN([Using a generic machine description])
303: AC_MSG_WARN([Assuming C floats and doubles are IEEE floats and doubles (for SF@ DF@ SF! DF!)])
304: AC_MSG_WARN([FLUSH-ICACHE will do nothing, so END-CODE may not work properly!])
1.34 anton 305: machine=generic
1.97 anton 306: #I-cache flushing would be needed for dynamic code generation
1.136 anton 307: if test -z $no_dynamic_default; then
308: no_dynamic_default=1
309: AC_MSG_WARN([No I-cache flush code known, disabling dynamic native code generation])
310: fi
1.1 anton 311: esac
1.10 anton 312: AC_SUBST(host)
1.151 anton 313:
1.184 pazsan 314: MAKEINC=""
315:
316: echo "Check for arch/$machine/$platform/gforth.ld ($EC_MODE)"
1.183 pazsan 317: if test x$EC_MODE = xtrue
318: then
1.184 pazsan 319: echo "Check for arch/$machine/$platform/gforth.ld"
320: if test -f arch/$machine/$platform/gforth.ld
1.183 pazsan 321: then
1.184 pazsan 322: LDFLAGS="-T ../arch/$machine/$platform/gforth.ld -Map \$@.map -cref --gc-sections $LDFLAGS"
323: if test x$platform = xnxt; then
1.183 pazsan 324: 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 $LIBS"
325: fi
326: fi
1.184 pazsan 327: if test -f arch/$machine/$platform/make.inc
328: then
329: MAKEINC="include ../arch/$machine/$platform/make.inc"
330: fi
1.183 pazsan 331: fi
1.184 pazsan 332: AC_SUBST(MAKEINC)
1.183 pazsan 333:
1.203 anton 334: AC_ARG_VAR(STACK_CACHE_REGS, [number of registers in the maximum stack cache state for gforth-fast and gforth-native (default platform-dependent).])
335:
336: test x$STACK_CACHE_REGS = x && STACK_CACHE_REGS=1
337: AC_DEFINE_UNQUOTED(STACK_CACHE_REGS, $STACK_CACHE_REGS,
338: [number of registers in the maximum stack cache state for gforth-fast and gforth-native])
1.151 anton 339: test x$STACK_CACHE_DEFAULT_FAST = x && STACK_CACHE_DEFAULT_FAST=1
340: AC_DEFINE_UNQUOTED(STACK_CACHE_DEFAULT_FAST, $STACK_CACHE_DEFAULT_FAST,
341: [number of registers in the default stack cache state for gforth-fast and gforth-native])
1.146 pazsan 342:
1.173 anton 343: test x$GCC_PR15242_WORKAROUND = x ||
344: AC_DEFINE_UNQUOTED(GCC_PR15242_WORKAROUND, $GCC_PR15242_WORKAROUND,
345: [force (1) or forbid (0) use of a workaround for a gcc performance bug])
346:
1.103 anton 347: dnl the following macro produces a warning with autoconf-2.1
348: AC_CHECK_SIZEOF(char *)
349: case "$ac_cv_sizeof_char_p" in
350: 2)
351: wordsize=16
352: ;;
353: 4)
354: wordsize=32
355: ;;
356: 8)
357: wordsize=64
358: ;;
359: esac
360:
1.183 pazsan 361: AC_CHECK_SIZEOF(void *)
362: case "$ac_cv_sizeof_void_p" in
363: 2)
364: vwordsize=16
365: ;;
366: 4)
367: vwordsize=32
368: ;;
369: 8)
370: vwordsize=64
371: ;;
372: esac
373:
1.103 anton 374: AC_CHECK_SIZEOF(char)
375: AC_CHECK_SIZEOF(short)
376: AC_CHECK_SIZEOF(int)
377: AC_CHECK_SIZEOF(long)
378: AC_CHECK_SIZEOF(long long)
379: AC_CHECK_SIZEOF(intptr_t)
380: AC_CHECK_SIZEOF(int128_t)
1.144 pazsan 381: AC_CHECK_SIZEOF(uint128_t)
1.103 anton 382:
383: AC_MSG_CHECKING([for a C type for cells])
384: ac_cv_int_type_cell=none
385: case "$ac_cv_sizeof_char_p" in
386: $ac_cv_sizeof_int)
387: ac_cv_int_type_cell=int
388: ;;
389: $ac_cv_sizeof_short)
390: ac_cv_int_type_cell=short
391: ;;
392: $ac_cv_sizeof_char)
393: ac_cv_int_type_cell=char
394: ;;
395: $ac_cv_sizeof_long)
396: ac_cv_int_type_cell=long
397: ;;
398: $ac_cv_sizeof_long_long)
399: ac_cv_int_type_cell="long long"
400: ;;
401: $ac_cv_sizeof_intptr_t)
402: ac_cv_int_type_cell="intptr_t"
403: ;;
404: esac
405: AC_MSG_RESULT($ac_cv_int_type_cell)
406: AC_DEFINE_UNQUOTED(CELL_TYPE,$ac_cv_int_type_cell,[an integer type that is as long as a pointer])
407:
1.153 pazsan 408: AC_MSG_CHECKING([for a C type for wydes])
409: ac_cv_wyde_type_cell=none
410: case 2 in
411: $ac_cv_sizeof_int)
412: ac_cv_wyde_type_cell=int
413: ;;
414: $ac_cv_sizeof_short)
415: ac_cv_wyde_type_cell=short
416: ;;
417: $ac_cv_sizeof_char)
418: ac_cv_wyde_type_cell=char
419: ;;
420: $ac_cv_sizeof_long)
421: ac_cv_wyde_type_cell=long
422: ;;
423: $ac_cv_sizeof_long_long)
424: ac_cv_wyde_type_cell="long long"
425: ;;
426: $ac_cv_sizeof_intptr_t)
427: ac_cv_wyde_type_cell="intptr_t"
428: ;;
429: esac
430: AC_MSG_RESULT($ac_cv_wyde_type_cell)
431: AC_DEFINE_UNQUOTED(WYDE_TYPE,$ac_cv_wyde_type_cell,[an integer type that is 2 bytes long])
432:
433: AC_MSG_CHECKING([for a C type for tetrabytes])
434: ac_cv_tetrabyte_type_cell=none
435: case 4 in
436: $ac_cv_sizeof_int)
437: ac_cv_tetrabyte_type_cell=int
438: ;;
439: $ac_cv_sizeof_short)
440: ac_cv_tetrabyte_type_cell=short
441: ;;
442: $ac_cv_sizeof_char)
443: ac_cv_tetrabyte_type_cell=char
444: ;;
445: $ac_cv_sizeof_long)
446: ac_cv_tetrabyte_type_cell=long
447: ;;
448: $ac_cv_sizeof_long_long)
449: ac_cv_tetrabyte_type_cell="long long"
450: ;;
451: $ac_cv_sizeof_intptr_t)
452: ac_cv_tetrabyte_type_cell="intptr_t"
453: ;;
454: esac
455: AC_MSG_RESULT($ac_cv_tetrabyte_type_cell)
456: AC_DEFINE_UNQUOTED(TETRABYTE_TYPE,$ac_cv_tetrabyte_type_cell,[an integer type that is 4 bytes long])
457:
1.103 anton 458: AC_MSG_CHECKING([for a C type for double-cells])
459: ac_cv_int_type_double_cell=none
460: case `expr 2 '*' "$ac_cv_sizeof_char_p"` in
461: $ac_cv_sizeof_short)
462: ac_cv_int_type_double_cell=short
463: ;;
464: $ac_cv_sizeof_int)
465: ac_cv_int_type_double_cell=int
466: ;;
467: $ac_cv_sizeof_long)
468: ac_cv_int_type_double_cell=long
469: ;;
470: $ac_cv_sizeof_long_long)
471: ac_cv_int_type_double_cell="long long"
472: ;;
473: $ac_cv_sizeof_intptr_t)
474: ac_cv_int_type_double_cell="intptr_t"
475: ;;
1.205 anton 476: $ac_cv_sizeof_int128_t)
1.103 anton 477: ac_cv_int_type_double_cell="int128_t"
478: ;;
479: esac
480: AC_MSG_RESULT($ac_cv_int_type_double_cell)
1.144 pazsan 481:
482: AC_MSG_CHECKING([for a C type for unsigned double-cells])
483: ac_cv_int_type_double_ucell=none
484: case `expr 2 '*' "$ac_cv_sizeof_char_p"` in
485: $ac_cv_sizeof_short)
486: ac_cv_int_type_double_ucell="unsigned short"
487: ;;
488: $ac_cv_sizeof_int)
489: ac_cv_int_type_double_ucell="unsigned int"
490: ;;
491: $ac_cv_sizeof_long)
492: ac_cv_int_type_double_ucell="unsigned long"
493: ;;
494: $ac_cv_sizeof_long_long)
495: ac_cv_int_type_double_ucell="unsigned long long"
496: ;;
497: $ac_cv_sizeof_intptr_t)
498: ac_cv_int_type_double_ucell="unsigned intptr_t"
499: ;;
500: $ac_cv_sizeof_uint128_t)
501: ac_cv_int_type_double_ucell="uint128_t"
502: ;;
503: esac
504: AC_MSG_RESULT($ac_cv_int_type_double_ucell)
505:
1.204 anton 506: if test "$ac_cv_int_type_double_cell" != none && \
507: test "$ac_cv_int_type_double_ucell" != none
1.144 pazsan 508: then
1.103 anton 509: AC_DEFINE_UNQUOTED(DOUBLE_CELL_TYPE,$ac_cv_int_type_double_cell,[an integer type that is twice as long as a pointer])
1.144 pazsan 510: AC_DEFINE_UNQUOTED(DOUBLE_UCELL_TYPE,$ac_cv_int_type_double_ucell,[an unsigned integer type that is twice as long as a pointer])
1.206 anton 511: OPTS=-ll
512: else
1.217 ! pazsan 513: if test "$ac_cv_sizeof_char_p" = 8; then
1.213 anton 514: OPTS="-ll -noll"
1.206 anton 515: else
516: OPTS=-noll
517: fi
1.103 anton 518: fi
1.207 anton 519:
520: if grep -q FORCE_REG arch/$machine/machine.h; then
521: OPTS=`for i in $OPTS; do echo -n "$i-reg "; done`$OPTS
522: fi
1.206 anton 523: AC_SUBST(OPTS)
1.103 anton 524:
525: AC_TYPE_OFF_T
526: AC_CHECK_SIZEOF(off_t)
527: test $ac_cv_sizeof_off_t -gt $ac_cv_sizeof_char_p
528: ac_small_off_t=$?
529: AC_DEFINE_UNQUOTED(SMALL_OFF_T,$ac_small_off_t,[1 if off_t fits in a Cell])
1.1 anton 530:
1.109 anton 531: ENGINE_FLAGS=
532: AC_SUBST(ENGINE_FLAGS)
533:
534: # Try if GCC understands -fno-gcse
535:
536: AC_MSG_CHECKING([if $CC understands -fno-gcse])
537: CFLAGS_1="$CFLAGS"
538: CFLAGS="$CFLAGS -fno-gcse"
539: AC_TRY_COMPILE(,,ac_nogcse=yes;ENGINE_FLAGS="$ENGINE_FLAGS -fno-gcse",ac_nogcse=no)
540: CFLAGS="$CFLAGS_1"
541: AC_MSG_RESULT($ac_nogcse)
542:
543: # Try if GCC understands -fno-strict-aliasing
544: AC_MSG_CHECKING([if $CC understands -fno-strict-aliasing])
545: CFLAGS_1="$CFLAGS"
546: CFLAGS="$CFLAGS -fno-strict-aliasing"
547: AC_TRY_COMPILE(,,ac_nostrictaliasing=yes;ENGINE_FLAGS="$ENGINE_FLAGS -fno-strict-aliasing",ac_nostrictaliasing=no)
548: CFLAGS="$CFLAGS_1"
549: AC_MSG_RESULT($ac_nostrictaliasing)
550:
1.123 anton 551: # Try if GCC understands -fno-crossjumping
552: AC_MSG_CHECKING([if $CC understands -fno-crossjumping])
1.88 pazsan 553: CFLAGS_1="$CFLAGS"
1.123 anton 554: CFLAGS="$CFLAGS -fno-crossjumping"
1.125 anton 555: AC_TRY_COMPILE(,,ac_nocrossjumping=yes;ENGINE_FLAGS="$ENGINE_FLAGS -fno-crossjumping",ac_nocrossjumping=no)
1.109 anton 556: CFLAGS="$CFLAGS_1"
1.124 pazsan 557: AC_MSG_RESULT($ac_nocrossjumping)
1.88 pazsan 558:
1.137 pazsan 559: # Try if GCC understands -fno-reorder-blocks
560: AC_MSG_CHECKING([if $CC understands -fno-reorder-blocks])
561: CFLAGS_1="$CFLAGS"
562: CFLAGS="$CFLAGS -fno-reorder-blocks"
563: AC_TRY_COMPILE(,,ac_noreorder_blocks=yes;ENGINE_FLAGS="$ENGINE_FLAGS -fno-reorder-blocks",ac_noreorder_blocks=no)
564: CFLAGS="$CFLAGS_1"
565: AC_MSG_RESULT($ac_noreorder_blocks)
566:
1.189 anton 567: # Try if GCC understands -falign-labels=1
568: AC_MSG_CHECKING([if $CC understands -falign-labels=1])
569: CFLAGS_1="$CFLAGS"
570: CFLAGS="$CFLAGS -falign-labels=1"
1.194 anton 571: AC_TRY_COMPILE(,,ac_align_labels=yes;ENGINE_FLAGS="$ENGINE_FLAGS -falign-labels=1",ac_align_labels=no)
1.189 anton 572: CFLAGS="$CFLAGS_1"
573: AC_MSG_RESULT($ac_align_labels)
574:
1.193 anton 575: # Try if GCC understands -falign-loops=1
576: AC_MSG_CHECKING([if $CC understands -falign-loops=1])
577: CFLAGS_1="$CFLAGS"
578: CFLAGS="$CFLAGS -falign-loops=1"
1.194 anton 579: AC_TRY_COMPILE(,,ac_align_loops=yes;ENGINE_FLAGS="$ENGINE_FLAGS -falign-loops=1",ac_align_loops=no)
1.193 anton 580: CFLAGS="$CFLAGS_1"
581: AC_MSG_RESULT($ac_align_loops)
582:
583: # Try if GCC understands -falign-jumps=1
584: AC_MSG_CHECKING([if $CC understands -falign-jumps=1])
585: CFLAGS_1="$CFLAGS"
586: CFLAGS="$CFLAGS -falign-jumps=1"
1.194 anton 587: AC_TRY_COMPILE(,,ac_align_jumps=yes;ENGINE_FLAGS="$ENGINE_FLAGS -falign-jumps=1",ac_align_jumps=no)
1.193 anton 588: CFLAGS="$CFLAGS_1"
589: AC_MSG_RESULT($ac_align_jumps)
590:
1.130 anton 591: # Try if GCC understands __attribute__((unused))
592: AC_MSG_CHECKING([how to suppress 'unused variable' warnings])
593: AC_TRY_COMPILE(,[int __attribute__((unused)) foo;], MAYBE_UNUSED='__attribute__((unused))',)
594: AC_DEFINE_UNQUOTED(MAYBE_UNUSED,$MAYBE_UNUSED,[attribute for possibly unused variables])
595: AC_MSG_RESULT($MAYBE_UNUSED)
596:
1.195 anton 597: #try if m4 understands -s
598: AC_MSG_CHECKING([how to invoke m4])
1.196 anton 599: if m4 -s /dev/null >/dev/null 2>&1; then
1.195 anton 600: M4="m4 -s"
601: else
602: M4=m4
603: fi
604: AC_SUBST(M4)
605: AC_DEFINE_UNQUOTED(M4,"$M4",[How to invoke m4])
606: AC_MSG_RESULT($M4)
607:
1.202 pazsan 608: # Find installed Gforth
609: AC_MSG_CHECKING([for gforth])
1.215 anton 610: GFORTH="`cd / && which gforth 2>/dev/null`"
611: if test -z "$GFORTH"; then
612: PREFORTH='echo "You need to configure with a gforth in \$PATH to build this part" && false'
613: else
614: PREFORTH="$GFORTH -i `cd / && gforth --debug -e bye 2>&1 |grep "Opened image file: "|sed 's/Opened image file: //'`" ;
615: fi
616: AC_SUBST(PREFORTH)
617: AC_DEFINE_UNQUOTED(PREFORTH,"$PREFORTH",[How to invoke the pre-installed gforth])
618: AC_MSG_RESULT($PREFORTH)
1.202 pazsan 619:
1.215 anton 620: #echo "machine='$machine'"
1.191 anton 621:
622: dnl AC_CHECK_PROG(asm_fs,asm.fs,arch/$machine/asm.fs,,$srcdir/arch/$machine)
623: AC_CHECK_FILE($srcdir/arch/$machine/asm.fs,[asm_fs=arch/$machine/asm.fs],)
1.61 anton 624: AC_SUBST(asm_fs)
625:
1.191 anton 626: dnl AC_CHECK_PROG(disasm_fs,disasm.fs,arch/$machine/disasm.fs,,$srcdir/arch/$machine)
627: AC_CHECK_FILE($srcdir/arch/$machine/disasm.fs,[disasm_fs=arch/$machine/disasm.fs],)
1.61 anton 628: AC_SUBST(disasm_fs)
629:
1.116 anton 630: AC_PATH_PROG(INSTALL_INFO,install-info,[echo '>>>>Please make info dir entry:'],$PATH:/sbin:/usr/sbin:/usr/local/sbin)
1.114 anton 631:
1.39 pazsan 632: case "$host_os" in
1.157 pazsan 633: *win32*)
634: # !!!FIXME!!! problems with cygwin and ';' as path separator
1.108 anton 635: DIRSEP="\\\\"
1.127 anton 636: PATHSEP=";"
1.142 anton 637: #we want the builtins of command.com/cmd.exe and its
638: # handling of .com files.
639: #$COMSPEC contains the name of the Windows shell;
640: # the ./ is there, because the bash does not recognize
641: # absolute DOS filenames
642: DEFAULTSYSTEMPREFIX="./$COMSPEC /c "
1.39 pazsan 643: ;;
1.97 anton 644: *darwin*)
645: #Darwin uses some funny preprocessor by default; eliminate it:
1.127 anton 646: AC_MSG_NOTICE([using -no-cpp-precomp on Darwin])
1.120 anton 647: CFLAGS="$CFLAGS -no-cpp-precomp"
1.98 anton 648: DIRSEP="/"
1.127 anton 649: PATHSEP=":"
1.141 anton 650: DEFAULTSYSTEMPREFIX=""
1.98 anton 651: ;;
1.39 pazsan 652: *)
1.88 pazsan 653: DIRSEP="/"
1.127 anton 654: PATHSEP=":"
1.141 anton 655: DEFAULTSYSTEMPREFIX=""
1.39 pazsan 656: ;;
657: esac
1.88 pazsan 658: AC_SUBST(DIRSEP)
1.89 pazsan 659: AC_DEFINE_UNQUOTED(DIRSEP,'$DIRSEP',[a directory separator character])
1.127 anton 660: AC_SUBST(PATHSEP)
661: AC_DEFINE_UNQUOTED(PATHSEP,'$PATHSEP',[a path separator character])
1.141 anton 662: AC_SUBST(DEFAULTSYSTEMPREFIX)
663: AC_DEFINE_UNQUOTED(DEFAULTSYSTEMPREFIX,"$DEFAULTSYSTEMPREFIX",[default for environment variable GFORTHSYSTEMPREFIX])
1.39 pazsan 664:
1.170 anton 665: #work around SELinux brain damage (from Andrew Haley <12t8f3jakb74g2c@news.supernews.com>)
1.172 anton 666: #This magic incantation seems to be completely undocumented.
667: AC_CHECK_PROG([MASSAGE_EXE],[chcon],[chcon -t unconfined_execmem_exec_t],[true])
1.170 anton 668:
1.1 anton 669: dnl Now a little support for DOS/DJGCC
1.30 pazsan 670: AC_SUBST(GFORTH_EXE)
1.208 anton 671: GFORTH_EXE="true"
1.48 anton 672: AC_SUBST(GFORTHFAST_EXE)
1.208 anton 673: GFORTHFAST_EXE="true"
1.83 anton 674: AC_SUBST(GFORTHITC_EXE)
1.208 anton 675: GFORTHITC_EXE="true"
1.30 pazsan 676: AC_SUBST(GFORTHDITC_EXE)
1.208 anton 677: GFORTHDITC_EXE="true"
1.27 anton 678:
679: AC_SUBST(FORTHSIZES)
1.24 anton 680:
1.104 anton 681: dnl if test "$PEEPHOLE" = "yes"
682: dnl then
683: dnl PEEPHOLEFLAG="true"
684: dnl AC_DEFINE(HAS_PEEPHOLE,,[Define if you want to use peephole optimization])
685: dnl else
686: dnl PEEPHOLEFLAG="false"
687: dnl fi
688: PEEPHOLEFLAG="true"
1.79 pazsan 689: AC_SUBST(PEEPHOLEFLAG)
690:
1.1 anton 691: dnl copy commands for systems that don't have links
1.29 pazsan 692: AC_SUBST(LINK_KERNL)
693: LINK_KERNL=""
1.1 anton 694:
695: #if test $host_os=dos
696: #then
697: # echo Configuring for DOS!!!
698: # MAKE_EXE="coff2exe gforth"
1.29 pazsan 699: # LINK_KERNL='$(CP) kernl32l.fi kernel.fi'
1.1 anton 700: #fi
701:
702: dnl the following macro produces a warning with autoconf-2.1
703: AC_C_BIGENDIAN
1.23 pazsan 704: AC_SUBST(KERNEL)
1.1 anton 705: dnl ac_cv_c_bigendian is an undocumented variable of autoconf-2.1
706: if test $ac_cv_c_bigendian = yes; then
707: bytesex=b
1.23 pazsan 708: KERNEL="kernl16b.fi kernl16l.fi kernl32b.fi kernl32l.fi kernl64b.fi kernl64l.fi"
1.1 anton 709: else
710: bytesex=l
1.23 pazsan 711: KERNEL="kernl16l.fi kernl16b.fi kernl32l.fi kernl32b.fi kernl64l.fi kernl64b.fi"
1.1 anton 712: fi
713:
1.91 anton 714: #check how to do asm(".skip 16")
1.169 anton 715: #echo "CFLAGS=$CFLAGS"
716: #echo "ac_link=$ac_link"
1.92 anton 717: AC_MSG_CHECKING([if and how we can waste code space])
1.136 anton 718: if test -z "$skipcode"; then
1.148 anton 719: skipcode=no
720: CFLAGS_1="$CFLAGS"
721: CFLAGS="$CFLAGS $ENGINE_FLAGS"
1.136 anton 722: for i in ".skip 16" ".block 16" ".org .+16" ".=.+16" ".space 16"
723: do
1.91 anton 724: AC_TRY_RUN(
1.136 anton 725: [int foo(int,int,int);
1.91 anton 726: main()
727: {
1.136 anton 728: exit(foo(0,0,0)!=16);
1.91 anton 729: }
1.136 anton 730: int foo(int x, int y, int z)
1.91 anton 731: {
1.136 anton 732: static void *labels[]={&&label1, &&label2};
1.91 anton 733: if (x) {
1.136 anton 734: y++; /* workaround for http://gcc.gnu.org/bugzilla/show_bug.cgi?id=12108 */
1.91 anton 735: label1:
1.148 anton 736: asm("$i"); /* or ".space 16" or somesuch */
1.136 anton 737: label2: ;
738: }
739: {
740: if (y) goto *labels[z]; /* workaround for gcc PR12108 */
741: return labels[1]-labels[0];
1.91 anton 742: }
1.136 anton 743: }]
1.92 anton 744: ,skipcode=$i; break
745: ,,)
1.136 anton 746: done
1.148 anton 747: CFLAGS=$CFLAGS_1
1.136 anton 748: fi
1.92 anton 749: AC_MSG_RESULT($skipcode)
750: if test "$skipcode" = no
751: then
1.136 anton 752: if test -z $no_dynamic_default; then
753: no_dynamic_default=1
754: AC_MSG_WARN(Disabling default dynamic native code generation)
755: fi
1.92 anton 756: AC_DEFINE_UNQUOTED(SKIP16,((void)0),statement for skipping 16 bytes)
757: else
758: AC_DEFINE_UNQUOTED(SKIP16,asm("$skipcode"),statement for skipping 16 bytes)
759: fi
1.91 anton 760:
1.174 anton 761: AC_MSG_CHECKING([if and how we can do comments in asm statements])
762: #the point here is to get asm statements that look different to
763: #gcc's "optimizer"
764: if test -z "$asmcomment"; then
765: asmcomment=no
766: CFLAGS_1="$CFLAGS"
767: CFLAGS="$CFLAGS $ENGINE_FLAGS"
1.176 anton 768: for i in '"# "' '"! "' '"; "'; do
1.174 anton 769: AC_TRY_COMPILE(,[asm($i"fluffystunk");],asmcomment=$i; break,)
770: done
771: CFLAGS=$CFLAGS_1
772: fi
773: AC_MSG_RESULT($asmcomment)
774: if test "$asmcomment" != no
775: then
776: AC_DEFINE_UNQUOTED(ASMCOMMENT,$asmcomment,[assembler comment start string])
777: fi
778:
1.136 anton 779: test "$no_dynamic_default" || no_dynamic_default=0
1.92 anton 780: AC_DEFINE_UNQUOTED(NO_DYNAMIC_DEFAULT,$no_dynamic_default,default value for no_dynamic)
1.91 anton 781:
1.1 anton 782: dnl Checks for programs.
783: AC_PROG_LN_S
1.95 anton 784: AC_PROG_INSTALL
1.163 pazsan 785: AC_CHECK_PROGS(TEXI2DVI,texi2dvi4a2ps texi2dvi)
1.1 anton 786:
1.198 anton 787: dnl MacOS X has a libtool that does something else
788: AC_CHECK_PROGS(GNU_LIBTOOL,glibtool libtool)
789:
1.1 anton 790: dnl Checks for library functions
1.2 anton 791: dnl This check is just for making later checks link with libm.
792: dnl using sin here is no good idea since it is built-into gcc and typechecked
793: AC_CHECK_LIB(m,asin)
1.197 anton 794: AC_CHECK_LIB(ltdl,lt_dlinit)
1.31 anton 795: AC_CHECK_LIB(dl,dlopen)
1.152 pazsan 796: dnl check for libffi 2.x
797: AC_CHECK_LIB(ffi,ffi_call)
798: if test $ac_cv_lib_ffi_ffi_call = yes
799: then
800: LIBFFIFLAG="true"
801: FFCALLFLAG="false"
802: OLDCALLFLAG="false"
803: AC_DEFINE(HAS_LIBFFI,,[define this if you want to use the ffcall interface with libffi 2.0])
804: else
1.124 pazsan 805: dnl check for ffcall libraries
806: dnl unfortunately, these four calls are separated out into a library each.
807: AC_CHECK_LIB(avcall,__builtin_avcall)
808: AC_CHECK_LIB(callback,__vacall_r)
809: AC_CHECK_LIB(vacall,vacall)
810: AC_CHECK_LIB(trampoline,alloc_trampoline)
1.152 pazsan 811: LIBFFIFLAG="false"
1.125 anton 812: FFCALLFLAG="false"
1.129 pazsan 813: OLDCALLFLAG="true"
814: 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])
815: test $ac_cv_lib_avcall___builtin_avcall = no && AC_DEFINE(HAS_OLDCALL,,[define this if you want to use the old call libraries])
1.152 pazsan 816: fi
817: AC_SUBST(LIBFFIFLAG)
1.125 anton 818: AC_SUBST(FFCALLFLAG)
1.129 pazsan 819: AC_SUBST(OLDCALLFLAG)
1.32 pazsan 820: if test "$host_os" != "nextstep3"
821: then
822: AC_FUNC_MEMCMP
823: fi
1.25 pazsan 824: AC_REPLACE_FUNCS(memmove strtoul pow10 strerror strsignal atanh)
1.97 anton 825: AC_FUNC_FSEEKO
1.186 anton 826: AC_CHECK_FUNCS(ftello dlopen sys_siglist getrusage nanosleep)
1.111 anton 827: AC_CHECK_TYPES(stack_t,,,[#include <signal.h>])
1.19 anton 828: AC_DECL_SYS_SIGLIST
1.138 anton 829: AC_CHECK_FUNC(getopt_long,[true],[AC_LIBOBJ(getopt) AC_LIBOBJ(getopt1)])
1.90 anton 830: AC_CHECK_FUNCS(expm1 log1p)
831: AC_REPLACE_FUNCS(rint ecvt)
1.1 anton 832: dnl No check for select, because our replacement is no good under
833: dnl anything but DOS
1.62 anton 834: AC_CHECK_HEADERS(sys/mman.h fnmatch.h)
1.63 anton 835: AC_FUNC_FNMATCH
1.87 pazsan 836: test $ac_cv_func_fnmatch_works = yes || AC_LIBOBJ(fnmatch)
1.28 anton 837: AC_CHECK_FUNCS(mmap sysconf getpagesize)
1.34 anton 838: AM_PATH_LISPDIR
1.1 anton 839:
1.183 pazsan 840: kernel_fi=kernl${vwordsize}${bytesex}.fi
1.178 pazsan 841: include_fi=kernl${wordsize}${bytesex}${EC}.fi
1.23 pazsan 842: AC_SUBST(kernel_fi)
1.178 pazsan 843: AC_SUBST(include_fi)
1.50 jwilke 844:
1.76 anton 845: #this breaks bindists
846: #dnl replace srource directory by absolute value
847: #if test $srcdir = "."; then srcdir=`pwd`
848: #fi
1.8 anton 849:
1.34 anton 850: AC_SUBST(machine)
1.95 anton 851: AC_CONFIG_FILES([
1.31 anton 852: Makefile
1.45 pazsan 853: Makedist
1.43 anton 854: gforthmi
1.80 anton 855: vmgen
1.79 pazsan 856: machpc.fs
1.159 pazsan 857: envos.fs
1.35 anton 858: engine/Makefile
1.188 anton 859: engine/libcc.h
1.161 pazsan 860: doc/version.texi
861: build-ec ])
1.95 anton 862: AC_CONFIG_COMMANDS([stamp-h],[[echo timestamp > stamp-h
1.43 anton 863: chmod +x gforthmi
1.80 anton 864: chmod +x vmgen
1.162 pazsan 865: chmod +x build-ec
1.188 anton 866: test -d kernel||mkdir kernel
867: $srcdir/mkinstalldirs include/gforth/$PACKAGE_VERSION
1.199 anton 868: ln -sf ../../../engine/config.h ../../../engine/libcc.h include/gforth/$PACKAGE_VERSION]],[[PACKAGE_VERSION=$PACKAGE_VERSION]])
1.95 anton 869: AC_OUTPUT
1.44 anton 870:
FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>