Annotation of gforth/configure.in, revision 1.211
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
1.211 ! anton 191: if test $host_os = linux; then
! 192: arm_cacheflush=arch/arm/cacheflush-linux
! 193: else
1.136 anton 194: no_dynamic_default=1
1.175 anton 195: arm_cacheflush=arch/arm/cacheflush0
1.136 anton 196: AC_MSG_WARN([No I-cache flush code known, disabling dynamic native code generation])
1.211 ! anton 197: fi
1.136 anton 198: fi
1.175 anton 199: AC_LIBSOURCES([../arch/arm/cacheflush0, ../arch/arm/cacheflush1, ../arch/arm/cacheflush2])
200: AC_LIBOBJ(../$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="$LIBS -L/lib/pa1.1/"
1.1 anton 212: ;;
213: sparc*)
1.34 anton 214: machine=sparc
1.1 anton 215: ;;
1.31 anton 216: i386)
1.34 anton 217: machine=386
1.189 anton 218: CFLAGS="$CFLAGS -fomit-frame-pointer -fforce-addr"
1.31 anton 219: ;;
220: i486)
1.34 anton 221: machine=386
1.189 anton 222: CFLAGS="$CFLAGS -fomit-frame-pointer -fforce-addr -m486"
1.31 anton 223: ;;
1.77 anton 224: i*86)
1.34 anton 225: machine=386
1.189 anton 226: CFLAGS="$CFLAGS -fomit-frame-pointer -fforce-addr"
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)
1.192 pazsan 232: case $CC
233: in
234: *-m32*)
235: machine=386
236: CFLAGS="$CFLAGS -fomit-frame-pointer -fforce-addr"
237: CFLAGS_1="$CFLAGS"
238: CFLAGS="$CFLAGS -march=athlon64"
239: ;;
240: *)
241: machine=amd64
242: ;;
243: esac
1.133 anton 244: ;;
1.136 anton 245: ia64*)
246: machine=ia64
247: AC_LIBOBJ(../arch/ia64/flush_icache_block)
248: test "$skipcode" || skipcode="nop.i 0"
249: #".skip 16" passes the test below,
250: # but gives an assembler error in engine
251: ;;
1.26 pazsan 252: m68k)
1.34 anton 253: machine=m68k
1.32 pazsan 254: CFLAGS="$CFLAGS -fomit-frame-pointer"
255: if test "$host_os" = "nextstep3"
256: then
1.87 pazsan 257: AC_LIBOBJ(termios)
1.32 pazsan 258: fi
1.26 pazsan 259: ;;
1.1 anton 260: mips*)
1.34 anton 261: machine=mips
1.92 anton 262: #dynamic native code has the following problems on MIPS:
263: #
264: #1) J/JAL seems relocatable, but is are only
265: #relocatable within a 256MB-segment. While we try to
266: #get the linker to arrange this, there is no guarantee
267: #that this will succeed (and if the user uses a lot of
268: #memory, it is likely to fail).
269: #
270: #2) The way we generate dynamic native code may
271: #violate MIPS architectural restrictions (in
272: #particular, the delay slots of LW, MFLO, etc.)
273: #
274: #Therefore we disable dynamic native code by default:
1.136 anton 275: if test -z $no_dynamic_default; then
276: no_dynamic_default=1
277: AC_MSG_WARN([Disabling default dynamic native code generation (relocation and delay slot issues)])
278: fi
1.1 anton 279: ;;
1.9 pazsan 280: alpha*)
1.34 anton 281: machine=alpha
1.58 anton 282: #full IEEE FP support for more uniformity across platforms:
283: CFLAGS="$CFLAGS -mieee"
1.9 pazsan 284: ;;
1.69 anton 285: power*|rs6000)
1.34 anton 286: machine=power
1.46 anton 287: $srcdir/mkinstalldirs arch/power
1.138 anton 288: AC_CHECK_FUNC(_sync_cache_range,[true],[AC_LIBOBJ(../arch/power/_sync_cache_range)])
1.103 anton 289: #long long is broken on (at least) gcc-2.95.* for PPC
1.165 anton 290: test x$ac_cv_sizeof_long_long = x &&
291: ($CC -v 2>&1 |grep -q 'gcc version 2.95') &&
292: ac_cv_sizeof_long_long=0
1.203 anton 293: #The only architecture with enough callee-saved registers
294: test x$STACK_CACHE_REGS = x && STACK_CACHE_REGS=3
295: #or use 2, hardly slower at run-time and starts up faster
1.31 anton 296: ;;
1.1 anton 297: *)
1.92 anton 298: AC_MSG_WARN([Using a generic machine description])
299: AC_MSG_WARN([Assuming C floats and doubles are IEEE floats and doubles (for SF@ DF@ SF! DF!)])
300: AC_MSG_WARN([FLUSH-ICACHE will do nothing, so END-CODE may not work properly!])
1.34 anton 301: machine=generic
1.97 anton 302: #I-cache flushing would be needed for dynamic code generation
1.136 anton 303: if test -z $no_dynamic_default; then
304: no_dynamic_default=1
305: AC_MSG_WARN([No I-cache flush code known, disabling dynamic native code generation])
306: fi
1.1 anton 307: esac
1.10 anton 308: AC_SUBST(host)
1.151 anton 309:
1.184 pazsan 310: MAKEINC=""
311:
312: echo "Check for arch/$machine/$platform/gforth.ld ($EC_MODE)"
1.183 pazsan 313: if test x$EC_MODE = xtrue
314: then
1.184 pazsan 315: echo "Check for arch/$machine/$platform/gforth.ld"
316: if test -f arch/$machine/$platform/gforth.ld
1.183 pazsan 317: then
1.184 pazsan 318: LDFLAGS="-T ../arch/$machine/$platform/gforth.ld -Map \$@.map -cref --gc-sections $LDFLAGS"
319: if test x$platform = xnxt; then
1.183 pazsan 320: 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 $LIBS"
321: fi
322: fi
1.184 pazsan 323: if test -f arch/$machine/$platform/make.inc
324: then
325: MAKEINC="include ../arch/$machine/$platform/make.inc"
326: fi
1.183 pazsan 327: fi
1.184 pazsan 328: AC_SUBST(MAKEINC)
1.183 pazsan 329:
1.203 anton 330: AC_ARG_VAR(STACK_CACHE_REGS, [number of registers in the maximum stack cache state for gforth-fast and gforth-native (default platform-dependent).])
331:
332: test x$STACK_CACHE_REGS = x && STACK_CACHE_REGS=1
333: AC_DEFINE_UNQUOTED(STACK_CACHE_REGS, $STACK_CACHE_REGS,
334: [number of registers in the maximum stack cache state for gforth-fast and gforth-native])
1.151 anton 335: test x$STACK_CACHE_DEFAULT_FAST = x && STACK_CACHE_DEFAULT_FAST=1
336: AC_DEFINE_UNQUOTED(STACK_CACHE_DEFAULT_FAST, $STACK_CACHE_DEFAULT_FAST,
337: [number of registers in the default stack cache state for gforth-fast and gforth-native])
1.146 pazsan 338:
1.173 anton 339: test x$GCC_PR15242_WORKAROUND = x ||
340: AC_DEFINE_UNQUOTED(GCC_PR15242_WORKAROUND, $GCC_PR15242_WORKAROUND,
341: [force (1) or forbid (0) use of a workaround for a gcc performance bug])
342:
1.103 anton 343: dnl the following macro produces a warning with autoconf-2.1
344: AC_CHECK_SIZEOF(char *)
345: case "$ac_cv_sizeof_char_p" in
346: 2)
347: wordsize=16
348: ;;
349: 4)
350: wordsize=32
351: ;;
352: 8)
353: wordsize=64
354: ;;
355: esac
356:
1.183 pazsan 357: AC_CHECK_SIZEOF(void *)
358: case "$ac_cv_sizeof_void_p" in
359: 2)
360: vwordsize=16
361: ;;
362: 4)
363: vwordsize=32
364: ;;
365: 8)
366: vwordsize=64
367: ;;
368: esac
369:
1.103 anton 370: AC_CHECK_SIZEOF(char)
371: AC_CHECK_SIZEOF(short)
372: AC_CHECK_SIZEOF(int)
373: AC_CHECK_SIZEOF(long)
374: AC_CHECK_SIZEOF(long long)
375: AC_CHECK_SIZEOF(intptr_t)
376: AC_CHECK_SIZEOF(int128_t)
1.144 pazsan 377: AC_CHECK_SIZEOF(uint128_t)
1.103 anton 378:
379: AC_MSG_CHECKING([for a C type for cells])
380: ac_cv_int_type_cell=none
381: case "$ac_cv_sizeof_char_p" in
382: $ac_cv_sizeof_int)
383: ac_cv_int_type_cell=int
384: ;;
385: $ac_cv_sizeof_short)
386: ac_cv_int_type_cell=short
387: ;;
388: $ac_cv_sizeof_char)
389: ac_cv_int_type_cell=char
390: ;;
391: $ac_cv_sizeof_long)
392: ac_cv_int_type_cell=long
393: ;;
394: $ac_cv_sizeof_long_long)
395: ac_cv_int_type_cell="long long"
396: ;;
397: $ac_cv_sizeof_intptr_t)
398: ac_cv_int_type_cell="intptr_t"
399: ;;
400: esac
401: AC_MSG_RESULT($ac_cv_int_type_cell)
402: AC_DEFINE_UNQUOTED(CELL_TYPE,$ac_cv_int_type_cell,[an integer type that is as long as a pointer])
403:
1.153 pazsan 404: AC_MSG_CHECKING([for a C type for wydes])
405: ac_cv_wyde_type_cell=none
406: case 2 in
407: $ac_cv_sizeof_int)
408: ac_cv_wyde_type_cell=int
409: ;;
410: $ac_cv_sizeof_short)
411: ac_cv_wyde_type_cell=short
412: ;;
413: $ac_cv_sizeof_char)
414: ac_cv_wyde_type_cell=char
415: ;;
416: $ac_cv_sizeof_long)
417: ac_cv_wyde_type_cell=long
418: ;;
419: $ac_cv_sizeof_long_long)
420: ac_cv_wyde_type_cell="long long"
421: ;;
422: $ac_cv_sizeof_intptr_t)
423: ac_cv_wyde_type_cell="intptr_t"
424: ;;
425: esac
426: AC_MSG_RESULT($ac_cv_wyde_type_cell)
427: AC_DEFINE_UNQUOTED(WYDE_TYPE,$ac_cv_wyde_type_cell,[an integer type that is 2 bytes long])
428:
429: AC_MSG_CHECKING([for a C type for tetrabytes])
430: ac_cv_tetrabyte_type_cell=none
431: case 4 in
432: $ac_cv_sizeof_int)
433: ac_cv_tetrabyte_type_cell=int
434: ;;
435: $ac_cv_sizeof_short)
436: ac_cv_tetrabyte_type_cell=short
437: ;;
438: $ac_cv_sizeof_char)
439: ac_cv_tetrabyte_type_cell=char
440: ;;
441: $ac_cv_sizeof_long)
442: ac_cv_tetrabyte_type_cell=long
443: ;;
444: $ac_cv_sizeof_long_long)
445: ac_cv_tetrabyte_type_cell="long long"
446: ;;
447: $ac_cv_sizeof_intptr_t)
448: ac_cv_tetrabyte_type_cell="intptr_t"
449: ;;
450: esac
451: AC_MSG_RESULT($ac_cv_tetrabyte_type_cell)
452: AC_DEFINE_UNQUOTED(TETRABYTE_TYPE,$ac_cv_tetrabyte_type_cell,[an integer type that is 4 bytes long])
453:
1.103 anton 454: AC_MSG_CHECKING([for a C type for double-cells])
455: ac_cv_int_type_double_cell=none
456: case `expr 2 '*' "$ac_cv_sizeof_char_p"` in
457: $ac_cv_sizeof_short)
458: ac_cv_int_type_double_cell=short
459: ;;
460: $ac_cv_sizeof_int)
461: ac_cv_int_type_double_cell=int
462: ;;
463: $ac_cv_sizeof_long)
464: ac_cv_int_type_double_cell=long
465: ;;
466: $ac_cv_sizeof_long_long)
467: ac_cv_int_type_double_cell="long long"
468: ;;
469: $ac_cv_sizeof_intptr_t)
470: ac_cv_int_type_double_cell="intptr_t"
471: ;;
1.205 anton 472: $ac_cv_sizeof_int128_t)
1.103 anton 473: ac_cv_int_type_double_cell="int128_t"
474: ;;
475: esac
476: AC_MSG_RESULT($ac_cv_int_type_double_cell)
1.144 pazsan 477:
478: AC_MSG_CHECKING([for a C type for unsigned double-cells])
479: ac_cv_int_type_double_ucell=none
480: case `expr 2 '*' "$ac_cv_sizeof_char_p"` in
481: $ac_cv_sizeof_short)
482: ac_cv_int_type_double_ucell="unsigned short"
483: ;;
484: $ac_cv_sizeof_int)
485: ac_cv_int_type_double_ucell="unsigned int"
486: ;;
487: $ac_cv_sizeof_long)
488: ac_cv_int_type_double_ucell="unsigned long"
489: ;;
490: $ac_cv_sizeof_long_long)
491: ac_cv_int_type_double_ucell="unsigned long long"
492: ;;
493: $ac_cv_sizeof_intptr_t)
494: ac_cv_int_type_double_ucell="unsigned intptr_t"
495: ;;
496: $ac_cv_sizeof_uint128_t)
497: ac_cv_int_type_double_ucell="uint128_t"
498: ;;
499: esac
500: AC_MSG_RESULT($ac_cv_int_type_double_ucell)
501:
1.204 anton 502: if test "$ac_cv_int_type_double_cell" != none && \
503: test "$ac_cv_int_type_double_ucell" != none
1.144 pazsan 504: then
1.103 anton 505: AC_DEFINE_UNQUOTED(DOUBLE_CELL_TYPE,$ac_cv_int_type_double_cell,[an integer type that is twice as long as a pointer])
1.144 pazsan 506: AC_DEFINE_UNQUOTED(DOUBLE_UCELL_TYPE,$ac_cv_int_type_double_ucell,[an unsigned integer type that is twice as long as a pointer])
1.206 anton 507: OPTS=-ll
508: else
509: if test "$ac_cv_sizeof_char_p" == 8; then
510: OPTS="-ll -no-ll"
511: else
512: OPTS=-noll
513: fi
1.103 anton 514: fi
1.207 anton 515:
516: if grep -q FORCE_REG arch/$machine/machine.h; then
517: OPTS=`for i in $OPTS; do echo -n "$i-reg "; done`$OPTS
518: fi
1.206 anton 519: AC_SUBST(OPTS)
1.103 anton 520:
521: AC_TYPE_OFF_T
522: AC_CHECK_SIZEOF(off_t)
523: test $ac_cv_sizeof_off_t -gt $ac_cv_sizeof_char_p
524: ac_small_off_t=$?
525: AC_DEFINE_UNQUOTED(SMALL_OFF_T,$ac_small_off_t,[1 if off_t fits in a Cell])
1.1 anton 526:
1.109 anton 527: ENGINE_FLAGS=
528: AC_SUBST(ENGINE_FLAGS)
529:
530: # Try if GCC understands -fno-gcse
531:
532: AC_MSG_CHECKING([if $CC understands -fno-gcse])
533: CFLAGS_1="$CFLAGS"
534: CFLAGS="$CFLAGS -fno-gcse"
535: AC_TRY_COMPILE(,,ac_nogcse=yes;ENGINE_FLAGS="$ENGINE_FLAGS -fno-gcse",ac_nogcse=no)
536: CFLAGS="$CFLAGS_1"
537: AC_MSG_RESULT($ac_nogcse)
538:
539: # Try if GCC understands -fno-strict-aliasing
540: AC_MSG_CHECKING([if $CC understands -fno-strict-aliasing])
541: CFLAGS_1="$CFLAGS"
542: CFLAGS="$CFLAGS -fno-strict-aliasing"
543: AC_TRY_COMPILE(,,ac_nostrictaliasing=yes;ENGINE_FLAGS="$ENGINE_FLAGS -fno-strict-aliasing",ac_nostrictaliasing=no)
544: CFLAGS="$CFLAGS_1"
545: AC_MSG_RESULT($ac_nostrictaliasing)
546:
1.123 anton 547: # Try if GCC understands -fno-crossjumping
548: AC_MSG_CHECKING([if $CC understands -fno-crossjumping])
1.88 pazsan 549: CFLAGS_1="$CFLAGS"
1.123 anton 550: CFLAGS="$CFLAGS -fno-crossjumping"
1.125 anton 551: AC_TRY_COMPILE(,,ac_nocrossjumping=yes;ENGINE_FLAGS="$ENGINE_FLAGS -fno-crossjumping",ac_nocrossjumping=no)
1.109 anton 552: CFLAGS="$CFLAGS_1"
1.124 pazsan 553: AC_MSG_RESULT($ac_nocrossjumping)
1.88 pazsan 554:
1.137 pazsan 555: # Try if GCC understands -fno-reorder-blocks
556: AC_MSG_CHECKING([if $CC understands -fno-reorder-blocks])
557: CFLAGS_1="$CFLAGS"
558: CFLAGS="$CFLAGS -fno-reorder-blocks"
559: AC_TRY_COMPILE(,,ac_noreorder_blocks=yes;ENGINE_FLAGS="$ENGINE_FLAGS -fno-reorder-blocks",ac_noreorder_blocks=no)
560: CFLAGS="$CFLAGS_1"
561: AC_MSG_RESULT($ac_noreorder_blocks)
562:
1.189 anton 563: # Try if GCC understands -falign-labels=1
564: AC_MSG_CHECKING([if $CC understands -falign-labels=1])
565: CFLAGS_1="$CFLAGS"
566: CFLAGS="$CFLAGS -falign-labels=1"
1.194 anton 567: AC_TRY_COMPILE(,,ac_align_labels=yes;ENGINE_FLAGS="$ENGINE_FLAGS -falign-labels=1",ac_align_labels=no)
1.189 anton 568: CFLAGS="$CFLAGS_1"
569: AC_MSG_RESULT($ac_align_labels)
570:
1.193 anton 571: # Try if GCC understands -falign-loops=1
572: AC_MSG_CHECKING([if $CC understands -falign-loops=1])
573: CFLAGS_1="$CFLAGS"
574: CFLAGS="$CFLAGS -falign-loops=1"
1.194 anton 575: AC_TRY_COMPILE(,,ac_align_loops=yes;ENGINE_FLAGS="$ENGINE_FLAGS -falign-loops=1",ac_align_loops=no)
1.193 anton 576: CFLAGS="$CFLAGS_1"
577: AC_MSG_RESULT($ac_align_loops)
578:
579: # Try if GCC understands -falign-jumps=1
580: AC_MSG_CHECKING([if $CC understands -falign-jumps=1])
581: CFLAGS_1="$CFLAGS"
582: CFLAGS="$CFLAGS -falign-jumps=1"
1.194 anton 583: AC_TRY_COMPILE(,,ac_align_jumps=yes;ENGINE_FLAGS="$ENGINE_FLAGS -falign-jumps=1",ac_align_jumps=no)
1.193 anton 584: CFLAGS="$CFLAGS_1"
585: AC_MSG_RESULT($ac_align_jumps)
586:
1.130 anton 587: # Try if GCC understands __attribute__((unused))
588: AC_MSG_CHECKING([how to suppress 'unused variable' warnings])
589: AC_TRY_COMPILE(,[int __attribute__((unused)) foo;], MAYBE_UNUSED='__attribute__((unused))',)
590: AC_DEFINE_UNQUOTED(MAYBE_UNUSED,$MAYBE_UNUSED,[attribute for possibly unused variables])
591: AC_MSG_RESULT($MAYBE_UNUSED)
592:
1.195 anton 593: #try if m4 understands -s
594: AC_MSG_CHECKING([how to invoke m4])
1.196 anton 595: if m4 -s /dev/null >/dev/null 2>&1; then
1.195 anton 596: M4="m4 -s"
597: else
598: M4=m4
599: fi
600: AC_SUBST(M4)
601: AC_DEFINE_UNQUOTED(M4,"$M4",[How to invoke m4])
602: AC_MSG_RESULT($M4)
603:
1.202 pazsan 604: # Find installed Gforth
605: AC_MSG_CHECKING([for gforth])
606: GFORTH="`which gforth 2>/dev/null`"
1.210 anton 607: if test ! -z "$GFORTH"; then GFORTH="$GFORTH -m4M --die-on-signal -i `gforth --debug -e bye 2>&1 |grep "Opened image file: "|sed 's/Opened image file: //'`" ; fi
1.202 pazsan 608: AC_SUBST(GFORTH)
609: AC_DEFINE_UNQUOTED(GFORTH,"$GFORTH",[How to invoke gforth])
610: AC_MSG_RESULT($GFORTH)
611:
1.191 anton 612: echo "machine='$machine'"
613:
614: dnl AC_CHECK_PROG(asm_fs,asm.fs,arch/$machine/asm.fs,,$srcdir/arch/$machine)
615: AC_CHECK_FILE($srcdir/arch/$machine/asm.fs,[asm_fs=arch/$machine/asm.fs],)
1.61 anton 616: AC_SUBST(asm_fs)
617:
1.191 anton 618: dnl AC_CHECK_PROG(disasm_fs,disasm.fs,arch/$machine/disasm.fs,,$srcdir/arch/$machine)
619: AC_CHECK_FILE($srcdir/arch/$machine/disasm.fs,[disasm_fs=arch/$machine/disasm.fs],)
1.61 anton 620: AC_SUBST(disasm_fs)
621:
1.116 anton 622: AC_PATH_PROG(INSTALL_INFO,install-info,[echo '>>>>Please make info dir entry:'],$PATH:/sbin:/usr/sbin:/usr/local/sbin)
1.114 anton 623:
1.39 pazsan 624: case "$host_os" in
1.157 pazsan 625: *win32*)
626: # !!!FIXME!!! problems with cygwin and ';' as path separator
1.108 anton 627: DIRSEP="\\\\"
1.127 anton 628: PATHSEP=";"
1.142 anton 629: #we want the builtins of command.com/cmd.exe and its
630: # handling of .com files.
631: #$COMSPEC contains the name of the Windows shell;
632: # the ./ is there, because the bash does not recognize
633: # absolute DOS filenames
634: DEFAULTSYSTEMPREFIX="./$COMSPEC /c "
1.39 pazsan 635: ;;
1.97 anton 636: *darwin*)
637: #Darwin uses some funny preprocessor by default; eliminate it:
1.127 anton 638: AC_MSG_NOTICE([using -no-cpp-precomp on Darwin])
1.120 anton 639: CFLAGS="$CFLAGS -no-cpp-precomp"
1.98 anton 640: DIRSEP="/"
1.127 anton 641: PATHSEP=":"
1.141 anton 642: DEFAULTSYSTEMPREFIX=""
1.98 anton 643: ;;
1.39 pazsan 644: *)
1.88 pazsan 645: DIRSEP="/"
1.127 anton 646: PATHSEP=":"
1.141 anton 647: DEFAULTSYSTEMPREFIX=""
1.39 pazsan 648: ;;
649: esac
1.88 pazsan 650: AC_SUBST(DIRSEP)
1.89 pazsan 651: AC_DEFINE_UNQUOTED(DIRSEP,'$DIRSEP',[a directory separator character])
1.127 anton 652: AC_SUBST(PATHSEP)
653: AC_DEFINE_UNQUOTED(PATHSEP,'$PATHSEP',[a path separator character])
1.141 anton 654: AC_SUBST(DEFAULTSYSTEMPREFIX)
655: AC_DEFINE_UNQUOTED(DEFAULTSYSTEMPREFIX,"$DEFAULTSYSTEMPREFIX",[default for environment variable GFORTHSYSTEMPREFIX])
1.39 pazsan 656:
1.170 anton 657: #work around SELinux brain damage (from Andrew Haley <12t8f3jakb74g2c@news.supernews.com>)
1.172 anton 658: #This magic incantation seems to be completely undocumented.
659: AC_CHECK_PROG([MASSAGE_EXE],[chcon],[chcon -t unconfined_execmem_exec_t],[true])
1.170 anton 660:
1.1 anton 661: dnl Now a little support for DOS/DJGCC
1.30 pazsan 662: AC_SUBST(GFORTH_EXE)
1.208 anton 663: GFORTH_EXE="true"
1.48 anton 664: AC_SUBST(GFORTHFAST_EXE)
1.208 anton 665: GFORTHFAST_EXE="true"
1.83 anton 666: AC_SUBST(GFORTHITC_EXE)
1.208 anton 667: GFORTHITC_EXE="true"
1.30 pazsan 668: AC_SUBST(GFORTHDITC_EXE)
1.208 anton 669: GFORTHDITC_EXE="true"
1.27 anton 670:
671: AC_SUBST(FORTHSIZES)
1.24 anton 672:
1.104 anton 673: dnl if test "$PEEPHOLE" = "yes"
674: dnl then
675: dnl PEEPHOLEFLAG="true"
676: dnl AC_DEFINE(HAS_PEEPHOLE,,[Define if you want to use peephole optimization])
677: dnl else
678: dnl PEEPHOLEFLAG="false"
679: dnl fi
680: PEEPHOLEFLAG="true"
1.79 pazsan 681: AC_SUBST(PEEPHOLEFLAG)
682:
1.1 anton 683: dnl copy commands for systems that don't have links
1.29 pazsan 684: AC_SUBST(LINK_KERNL)
685: LINK_KERNL=""
1.1 anton 686:
687: #if test $host_os=dos
688: #then
689: # echo Configuring for DOS!!!
690: # MAKE_EXE="coff2exe gforth"
1.29 pazsan 691: # LINK_KERNL='$(CP) kernl32l.fi kernel.fi'
1.1 anton 692: #fi
693:
694: dnl the following macro produces a warning with autoconf-2.1
695: AC_C_BIGENDIAN
1.23 pazsan 696: AC_SUBST(KERNEL)
1.1 anton 697: dnl ac_cv_c_bigendian is an undocumented variable of autoconf-2.1
698: if test $ac_cv_c_bigendian = yes; then
699: bytesex=b
1.23 pazsan 700: KERNEL="kernl16b.fi kernl16l.fi kernl32b.fi kernl32l.fi kernl64b.fi kernl64l.fi"
1.1 anton 701: else
702: bytesex=l
1.23 pazsan 703: KERNEL="kernl16l.fi kernl16b.fi kernl32l.fi kernl32b.fi kernl64l.fi kernl64b.fi"
1.1 anton 704: fi
705:
1.91 anton 706: #check how to do asm(".skip 16")
1.169 anton 707: #echo "CFLAGS=$CFLAGS"
708: #echo "ac_link=$ac_link"
1.92 anton 709: AC_MSG_CHECKING([if and how we can waste code space])
1.136 anton 710: if test -z "$skipcode"; then
1.148 anton 711: skipcode=no
712: CFLAGS_1="$CFLAGS"
713: CFLAGS="$CFLAGS $ENGINE_FLAGS"
1.136 anton 714: for i in ".skip 16" ".block 16" ".org .+16" ".=.+16" ".space 16"
715: do
1.91 anton 716: AC_TRY_RUN(
1.136 anton 717: [int foo(int,int,int);
1.91 anton 718: main()
719: {
1.136 anton 720: exit(foo(0,0,0)!=16);
1.91 anton 721: }
1.136 anton 722: int foo(int x, int y, int z)
1.91 anton 723: {
1.136 anton 724: static void *labels[]={&&label1, &&label2};
1.91 anton 725: if (x) {
1.136 anton 726: y++; /* workaround for http://gcc.gnu.org/bugzilla/show_bug.cgi?id=12108 */
1.91 anton 727: label1:
1.148 anton 728: asm("$i"); /* or ".space 16" or somesuch */
1.136 anton 729: label2: ;
730: }
731: {
732: if (y) goto *labels[z]; /* workaround for gcc PR12108 */
733: return labels[1]-labels[0];
1.91 anton 734: }
1.136 anton 735: }]
1.92 anton 736: ,skipcode=$i; break
737: ,,)
1.136 anton 738: done
1.148 anton 739: CFLAGS=$CFLAGS_1
1.136 anton 740: fi
1.92 anton 741: AC_MSG_RESULT($skipcode)
742: if test "$skipcode" = no
743: then
1.136 anton 744: if test -z $no_dynamic_default; then
745: no_dynamic_default=1
746: AC_MSG_WARN(Disabling default dynamic native code generation)
747: fi
1.92 anton 748: AC_DEFINE_UNQUOTED(SKIP16,((void)0),statement for skipping 16 bytes)
749: else
750: AC_DEFINE_UNQUOTED(SKIP16,asm("$skipcode"),statement for skipping 16 bytes)
751: fi
1.91 anton 752:
1.174 anton 753: AC_MSG_CHECKING([if and how we can do comments in asm statements])
754: #the point here is to get asm statements that look different to
755: #gcc's "optimizer"
756: if test -z "$asmcomment"; then
757: asmcomment=no
758: CFLAGS_1="$CFLAGS"
759: CFLAGS="$CFLAGS $ENGINE_FLAGS"
1.176 anton 760: for i in '"# "' '"! "' '"; "'; do
1.174 anton 761: AC_TRY_COMPILE(,[asm($i"fluffystunk");],asmcomment=$i; break,)
762: done
763: CFLAGS=$CFLAGS_1
764: fi
765: AC_MSG_RESULT($asmcomment)
766: if test "$asmcomment" != no
767: then
768: AC_DEFINE_UNQUOTED(ASMCOMMENT,$asmcomment,[assembler comment start string])
769: fi
770:
1.136 anton 771: test "$no_dynamic_default" || no_dynamic_default=0
1.92 anton 772: AC_DEFINE_UNQUOTED(NO_DYNAMIC_DEFAULT,$no_dynamic_default,default value for no_dynamic)
1.91 anton 773:
1.1 anton 774: dnl Checks for programs.
775: AC_PROG_LN_S
1.95 anton 776: AC_PROG_INSTALL
1.163 pazsan 777: AC_CHECK_PROGS(TEXI2DVI,texi2dvi4a2ps texi2dvi)
1.1 anton 778:
1.198 anton 779: dnl MacOS X has a libtool that does something else
780: AC_CHECK_PROGS(GNU_LIBTOOL,glibtool libtool)
781:
1.1 anton 782: dnl Checks for library functions
1.2 anton 783: dnl This check is just for making later checks link with libm.
784: dnl using sin here is no good idea since it is built-into gcc and typechecked
785: AC_CHECK_LIB(m,asin)
1.197 anton 786: AC_CHECK_LIB(ltdl,lt_dlinit)
1.31 anton 787: AC_CHECK_LIB(dl,dlopen)
1.152 pazsan 788: dnl check for libffi 2.x
789: AC_CHECK_LIB(ffi,ffi_call)
790: if test $ac_cv_lib_ffi_ffi_call = yes
791: then
792: LIBFFIFLAG="true"
793: FFCALLFLAG="false"
794: OLDCALLFLAG="false"
795: AC_DEFINE(HAS_LIBFFI,,[define this if you want to use the ffcall interface with libffi 2.0])
796: else
1.124 pazsan 797: dnl check for ffcall libraries
798: dnl unfortunately, these four calls are separated out into a library each.
799: AC_CHECK_LIB(avcall,__builtin_avcall)
800: AC_CHECK_LIB(callback,__vacall_r)
801: AC_CHECK_LIB(vacall,vacall)
802: AC_CHECK_LIB(trampoline,alloc_trampoline)
1.152 pazsan 803: LIBFFIFLAG="false"
1.125 anton 804: FFCALLFLAG="false"
1.129 pazsan 805: OLDCALLFLAG="true"
806: 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])
807: test $ac_cv_lib_avcall___builtin_avcall = no && AC_DEFINE(HAS_OLDCALL,,[define this if you want to use the old call libraries])
1.152 pazsan 808: fi
809: AC_SUBST(LIBFFIFLAG)
1.125 anton 810: AC_SUBST(FFCALLFLAG)
1.129 pazsan 811: AC_SUBST(OLDCALLFLAG)
1.32 pazsan 812: if test "$host_os" != "nextstep3"
813: then
814: AC_FUNC_MEMCMP
815: fi
1.25 pazsan 816: AC_REPLACE_FUNCS(memmove strtoul pow10 strerror strsignal atanh)
1.97 anton 817: AC_FUNC_FSEEKO
1.186 anton 818: AC_CHECK_FUNCS(ftello dlopen sys_siglist getrusage nanosleep)
1.111 anton 819: AC_CHECK_TYPES(stack_t,,,[#include <signal.h>])
1.19 anton 820: AC_DECL_SYS_SIGLIST
1.138 anton 821: AC_CHECK_FUNC(getopt_long,[true],[AC_LIBOBJ(getopt) AC_LIBOBJ(getopt1)])
1.90 anton 822: AC_CHECK_FUNCS(expm1 log1p)
823: AC_REPLACE_FUNCS(rint ecvt)
1.1 anton 824: dnl No check for select, because our replacement is no good under
825: dnl anything but DOS
1.62 anton 826: AC_CHECK_HEADERS(sys/mman.h fnmatch.h)
1.63 anton 827: AC_FUNC_FNMATCH
1.87 pazsan 828: test $ac_cv_func_fnmatch_works = yes || AC_LIBOBJ(fnmatch)
1.28 anton 829: AC_CHECK_FUNCS(mmap sysconf getpagesize)
1.34 anton 830: AM_PATH_LISPDIR
1.1 anton 831:
1.183 pazsan 832: kernel_fi=kernl${vwordsize}${bytesex}.fi
1.178 pazsan 833: include_fi=kernl${wordsize}${bytesex}${EC}.fi
1.23 pazsan 834: AC_SUBST(kernel_fi)
1.178 pazsan 835: AC_SUBST(include_fi)
1.50 jwilke 836:
1.76 anton 837: #this breaks bindists
838: #dnl replace srource directory by absolute value
839: #if test $srcdir = "."; then srcdir=`pwd`
840: #fi
1.8 anton 841:
1.34 anton 842: AC_SUBST(machine)
1.95 anton 843: AC_CONFIG_FILES([
1.31 anton 844: Makefile
1.45 pazsan 845: Makedist
1.43 anton 846: gforthmi
1.80 anton 847: vmgen
1.79 pazsan 848: machpc.fs
1.159 pazsan 849: envos.fs
1.35 anton 850: engine/Makefile
1.188 anton 851: engine/libcc.h
1.161 pazsan 852: doc/version.texi
853: build-ec ])
1.95 anton 854: AC_CONFIG_COMMANDS([stamp-h],[[echo timestamp > stamp-h
1.43 anton 855: chmod +x gforthmi
1.80 anton 856: chmod +x vmgen
1.162 pazsan 857: chmod +x build-ec
1.188 anton 858: test -d kernel||mkdir kernel
859: $srcdir/mkinstalldirs include/gforth/$PACKAGE_VERSION
1.199 anton 860: ln -sf ../../../engine/config.h ../../../engine/libcc.h include/gforth/$PACKAGE_VERSION]],[[PACKAGE_VERSION=$PACKAGE_VERSION]])
1.95 anton 861: AC_OUTPUT
1.44 anton 862:
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