Annotation of gforth/configure.in, revision 1.198
1.1 anton 1: dnl Process this file with autoconf to produce a configure script.
1.20 anton 2:
1.160 pazsan 3: #Copyright (C) 1995,1996,1997,1998,2000,2003,2004,2005,2006 Free Software Foundation, Inc.
1.20 anton 4:
5: #This file is part of Gforth.
6:
7: #Gforth is free software; you can redistribute it and/or
8: #modify it under the terms of the GNU General Public License
9: #as published by the Free Software Foundation; either version 2
10: #of the License, or (at your option) any later version.
11:
12: #This program is distributed in the hope that it will be useful,
13: #but WITHOUT ANY WARRANTY; without even the implied warranty of
14: #MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.#See the
15: #GNU General Public License for more details.
16:
17: #You should have received a copy of the GNU General Public License
18: #along with this program; if not, write to the Free Software
1.74 anton 19: #Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA.
1.20 anton 20:
1.121 anton 21:
1.34 anton 22: dnl We use some automake macros here,
23: dnl but don't use automake for creating Makefile.in
1.188 anton 24: AC_INIT([gforth],[0.6.9-20070604],[https://savannah.gnu.org/bugs/?func=addbug&group=gforth])
1.113 anton 25: AC_PREREQ(2.54)
1.47 anton 26: #snapshots have numbers major.minor.release-YYYYMMDD
1.92 anton 27: #note that lexicographic ordering must be heeded.
1.47 anton 28: #I.e., 0.4.1-YYYYMMDD must not exist before 0.4.1!
1.187 anton 29: UPDATED="June 02, 2007"
1.84 anton 30: AC_SUBST(UPDATED)
1.94 anton 31: AC_CONFIG_HEADERS(engine/config.h)
1.14 anton 32:
1.121 anton 33: #suppress the "-g -O2" default
34: test "$CFLAGS" || CFLAGS=-O2
35:
1.1 anton 36: AC_ARG_ENABLE(force-reg,
1.149 anton 37: AC_HELP_STRING([--enable-force-reg],
38: [ Use explicit register declarations if they appear in
1.1 anton 39: the machine.h file. This can cause a good speedup,
40: but also incorrect code with some gcc versions on
1.149 anton 41: some processors (default disabled).]),
42: ,enable_force_reg=no)
43: test "$enable_force_reg" = "no"||
44: AC_DEFINE(FORCE_REG,,[Define if you want to use explicit register declarations for better performance or for more convenient CODE words (does not work with all GCC versions on all machines)])
45:
1.145 pazsan 46: AC_ARG_ENABLE(force-ll,
1.149 anton 47: AC_HELP_STRING([--enable-force-ll],
48: [ Use explicit long long declarations if they appear in
1.145 pazsan 49: the machine.h file. This can cause a good speedup,
50: but also incorrect code with some gcc versions on
1.149 anton 51: some processors (default disabled).]),
52: ,enable_force_ll=no)
53: test "$enable_force_ll" = "no"||
54: AC_DEFINE(FORCE_LL,,[Define if you want to use explicit long long declarations for better performance (does not work with all GCC versions on all machines)])
1.147 anton 55:
1.150 pazsan 56: AC_ARG_ENABLE(force-cdiv,
57: AC_HELP_STRING([--enable-force-cdiv],
58: [ Use the native C division - symmetric - instead of
59: floored division (default disabled).]),
60: ,enable_force_cdiv=no)
61: test "$enable_force_cdiv" = "no"||
62: AC_DEFINE(FORCE_CDIV,,[Define if you want to use explicit symmetric division for better performance])
63:
1.149 anton 64: AC_SUBST(PROFEXES)
65: AC_SUBST(PROFOBJS)
1.135 anton 66: AC_ARG_ENABLE(prof,
1.149 anton 67: AC_HELP_STRING([--enable-prof],
68: [ Build gforth-prof, which outputs frequently occuring
69: sequences of primitives.]),
70: ,enable_prof=no)
71: if test "$enable_prof" = "no"; then
72: PROFEXES="gforth-prof\$(EXE)"; PROFOBJS="engine-prof.o main-prof.o profile.o"
73: fi
1.1 anton 74:
1.9 pazsan 75: AC_ARG_WITH(debug,
1.122 pazsan 76: [ --with-debug specifies option -g to compile with debug info
77: --without-debug omits the -g switch and creates smaller images on
78: machines where "strip" has problems with gcc style
79: debugging informations.],
1.9 pazsan 80: if test "$withval" = "yes"; then DEBUGFLAG=-g; fi)
1.122 pazsan 81:
1.104 anton 82: dnl PEEPHOLE="yes"
83: dnl AC_ARG_WITH(peephole,
84: dnl [ --with-peephole Enable peephole optimization (default)
85: dnl --without-peephole disables peephole optimization. Creates smaller,
86: dnl but slower images.],
87: dnl PEEPHOLE="$withval")
88:
1.185 pazsan 89: GCC_LD="\$(GCC)"
90: EC_MODE="false"
91: EC=""
92: engine2="engine2.o"
93: engine_fast2="engine-fast2.o"
94: no_dynamic=""
95: image_i=""
96: signals_o="io.o signals.o"
97:
1.182 pazsan 98: AC_ARG_WITH(ec,
99: AC_HELP_STRING([--with-ec=<arch>],
1.168 pazsan 100: [ Build gforth for systems without OS.]),
1.182 pazsan 101: [if test "$withval" = "no"; then
102: echo "defining hosted system"
103: else
104: echo "defining standalone system (${withval})"
1.168 pazsan 105: AC_DEFINE(STANDALONE,,[Define if you want a Gforth without OS])
1.167 pazsan 106: EC_MODE="true"
1.178 pazsan 107: EC="-ec"
108: engine2=""
109: engine_fast2=""
110: no_dynamic="-DNO_DYNAMIC"
111: image_i="image.i"
1.182 pazsan 112: if test "$withval" != "yes"; then
113: signals_o="io-${withval}.o"
114: else
115: signals_o="io.o"
116: fi
1.183 pazsan 117: GCC_PATH=$(which $CC)
118: LIB_PATH=${GCC_PATH%/*/*}
119: GCC_LD="\$(LD)"
1.184 pazsan 120: platform=${withval}
1.182 pazsan 121: fi])
1.167 pazsan 122:
1.104 anton 123: #variables mentioned in INSTALL
1.123 anton 124: AC_ARG_VAR(CC, [The C compiler (must support GNU C 2.x); gcc-2.95 recommended.])
1.104 anton 125: AC_ARG_VAR(FORTHSIZES, [Gforth command line options for the default stack and dictionary sizes (see INSTALL).])
1.151 anton 126: 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 127: 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)])
128:
1.104 anton 129: AC_ARG_VAR(ac_cv_sizeof_char_p, [sizeof(char *)])
1.183 pazsan 130: AC_ARG_VAR(ac_cv_sizeof_void_p, [sizeof(void *)])
1.104 anton 131: AC_ARG_VAR(ac_cv_sizeof_char, [sizeof(char)])
132: AC_ARG_VAR(ac_cv_sizeof_short, [sizeof(short)])
133: AC_ARG_VAR(ac_cv_sizeof_int, [sizeof(int)])
134: AC_ARG_VAR(ac_cv_sizeof_long, [sizeof(long)])
135: AC_ARG_VAR(ac_cv_sizeof_long_long, [sizeof(long long)])
136: AC_ARG_VAR(ac_cv_sizeof_intptr_t, [sizeof(intptr_t)])
137: AC_ARG_VAR(ac_cv_sizeof_int128_t, [sizeof(int128_t)])
1.144 pazsan 138: AC_ARG_VAR(ac_cv_sizeof_uint128_t, [sizeof(uint128_t)])
1.123 anton 139: AC_ARG_VAR(ac_cv_c_bigendian, [Is the target big-endian ("yes" or "no")?])
140: AC_ARG_VAR(no_dynamic_default, [run gforth with --dynamic (0) or --no-dynamic (1) by default])
1.190 anton 141: AC_ARG_VAR(condbranch_opt, [enable (1) or disable (0) using two dispatches for conditional branches])
1.166 anton 142: AC_ARG_VAR(skipcode, [assembly code for skipping 16 bytes of code])
1.174 anton 143: AC_ARG_VAR(asmcomment, [assembler comment start string])
1.175 anton 144: AC_ARG_VAR(arm_cacheflush, [file containing ARM cacheflush function (without .c)])
1.82 anton 145:
1.96 anton 146: #set up feature test macros, so the tests get them right:
147: # turn on all POSIX, SUSv3, and GNU features if available
1.97 anton 148: AC_GNU_SOURCE
149: dnl AC_DEFINE_UNQUOTED([_GNU_SOURCE],1,[feature test macro])
150:
151: dnl Don't define _POSIX_SOURCE etc. because some OSs (in particular
152: dnl MacOSX) disable some features then (MacOSX checks for _POSIX_SOURCE,
153: dnl but not for _XOPEN_SOURCE)
154: dnl AC_DEFINE_UNQUOTED([_POSIX_SOURCE],1,[feature test macro])
155: dnl AC_DEFINE_UNQUOTED([_POSIX_C_SOURCE],199506L,[feature test macro])
156: dnl AC_DEFINE_UNQUOTED([_XOPEN_SOURCE],600,[feature test macro])
1.96 anton 157: # turn on large file support with 64-bit off_t where available
1.105 anton 158: AC_SYS_LARGEFILE
159: dnl AC_DEFINE_UNQUOTED([_LARGEFILE_SOURCE],1,[feature test macro])
160: dnl AC_DEFINE_UNQUOTED([_FILE_OFFSET_BITS],64,[feature test macro])
1.96 anton 161:
1.82 anton 162: #currently we force direct threading this way. Eventually we should
163: #setup in the arch and engine files right
1.16 anton 164:
1.15 pazsan 165: AC_PROG_CC
166:
1.92 anton 167: test "$GCC" = "yes" || AC_MSG_ERROR(Gforth uses GNU C extensions and requires GCC 2.0 or higher)
1.9 pazsan 168:
1.190 anton 169: AC_MSG_CHECKING([whether to use two dispatches per conditional branch])
170: test x$condbranch_opt = x &&
171: if ($CC -v 2>&1 |grep -q 'gcc version 3'); then
172: condbranch_opt=0
173: else
174: condbranch_opt=1
175: fi
176: AC_MSG_RESULT($condbranch_opt)
177: AC_SUBST(condbranch_opt)
178:
1.15 pazsan 179: AC_SUBST(CC)
1.183 pazsan 180: AC_SUBST(GCC_LD)
1.9 pazsan 181: AC_SUBST(DEBUGFLAG)
1.178 pazsan 182: AC_SUBST(EC)
1.167 pazsan 183: AC_SUBST(EC_MODE)
1.178 pazsan 184: AC_SUBST(engine2)
185: AC_SUBST(engine_fast2)
186: AC_SUBST(no_dynamic)
187: AC_SUBST(image_i)
1.179 pazsan 188: AC_SUBST(signals_o)
1.7 anton 189:
1.174 anton 190: #this is used to disable some (not generally essential) part of the
191: #Makefile that some makes don't grok. It would be better to test for
192: #this specific Makefile feature than the make version.
1.128 pazsan 193: AC_MSG_CHECKING(make type)
1.174 anton 194: make_type=`make -n -v 2>&1|grep 'ake'|sed 's/ake .*/ake/'`
1.128 pazsan 195: GNUMAKE='#'
196: test "$make_type" = "GNU Make" && GNUMAKE=''
197: AC_MSG_RESULT($make_type)
198: AC_SUBST(GNUMAKE)
199:
1.50 jwilke 200: AC_MSG_CHECKING([whether the linker accepts -export-dynamic])
201: OLDLDFLAGS=$LDFLAGS
202: LDFLAGS="$LDFLAGS -export-dynamic"
1.69 anton 203: dnl AC_TRY_LINK gives false positive on rs6000-ibm-aix4.2.1.0
204: dnl AC_TRY_LINK(,,ac_export_dynamic=yes,ac_export_dynamic=no)
205: AC_TRY_RUN(main(){exit(0);},ac_export_dynamic=yes,ac_export_dynamic=no,ac_export_dynamic=no)
1.50 jwilke 206: test $ac_export_dynamic = yes|| LDFLAGS=$OLDLDFLAGS
207: AC_MSG_RESULT($ac_export_dynamic)
208:
1.1 anton 209: #terminology is a bit unusual here: The host is the system on which
210: #gforth will run; the system on which configure will run is the `build'
211: AC_CANONICAL_HOST
212: case "$host_cpu" in
1.136 anton 213: arm*)
214: machine=arm
215: CFLAGS="$CFLAGS -fomit-frame-pointer"
1.184 pazsan 216: if test x$platform = xnxt; then
1.183 pazsan 217: CFLAGS="$CFLAGS -mthumb -mthumb-interwork"
218: fi
1.175 anton 219: if test -z $arm_cacheflush; then
1.136 anton 220: no_dynamic_default=1
1.175 anton 221: arm_cacheflush=arch/arm/cacheflush0
1.136 anton 222: AC_MSG_WARN([No I-cache flush code known, disabling dynamic native code generation])
223: fi
1.175 anton 224: AC_LIBSOURCES([../arch/arm/cacheflush0, ../arch/arm/cacheflush1, ../arch/arm/cacheflush2])
225: AC_LIBOBJ(../$arm_cacheflush)
1.177 anton 226: #longer skipcodes lead to problems on ARM, and it uses
227: #only 4-byte alignment anyway
228: test "$skipcode" || skipcode="nop"
1.136 anton 229: ;;
1.1 anton 230: hppa*)
1.34 anton 231: machine=hppa
1.46 anton 232: $srcdir/mkinstalldirs arch/hppa
1.87 pazsan 233: AC_LIBOBJ(../arch/hppa/cache)
1.134 anton 234: #-N needed for --dynamic <M4U3b.3790$9d.317@news.cpqcorp.net>
235: LDFLAGS="$LDFLAGS -Xlinker -N"
1.47 anton 236: LIBS="$LIBS -L/lib/pa1.1/"
1.1 anton 237: ;;
238: sparc*)
1.34 anton 239: machine=sparc
1.1 anton 240: ;;
1.31 anton 241: i386)
1.34 anton 242: machine=386
1.189 anton 243: CFLAGS="$CFLAGS -fomit-frame-pointer -fforce-addr"
1.31 anton 244: ;;
245: i486)
1.34 anton 246: machine=386
1.189 anton 247: CFLAGS="$CFLAGS -fomit-frame-pointer -fforce-addr -m486"
1.31 anton 248: ;;
1.77 anton 249: i*86)
1.34 anton 250: machine=386
1.189 anton 251: CFLAGS="$CFLAGS -fomit-frame-pointer -fforce-addr"
1.56 pazsan 252: CFLAGS_1="$CFLAGS"
1.87 pazsan 253: CFLAGS="$CFLAGS -march=pentium"
1.56 pazsan 254: AC_TRY_COMPILE(,,,CFLAGS="$CFLAGS_1 -m486")
1.1 anton 255: ;;
1.133 anton 256: x86_64)
1.192 pazsan 257: case $CC
258: in
259: *-m32*)
260: machine=386
261: CFLAGS="$CFLAGS -fomit-frame-pointer -fforce-addr"
262: CFLAGS_1="$CFLAGS"
263: CFLAGS="$CFLAGS -march=athlon64"
264: ;;
265: *)
266: machine=amd64
267: ;;
268: esac
1.133 anton 269: ;;
1.136 anton 270: ia64*)
271: machine=ia64
272: AC_LIBOBJ(../arch/ia64/flush_icache_block)
273: test "$skipcode" || skipcode="nop.i 0"
274: #".skip 16" passes the test below,
275: # but gives an assembler error in engine
276: ;;
1.26 pazsan 277: m68k)
1.34 anton 278: machine=m68k
1.32 pazsan 279: CFLAGS="$CFLAGS -fomit-frame-pointer"
280: if test "$host_os" = "nextstep3"
281: then
1.87 pazsan 282: AC_LIBOBJ(termios)
1.32 pazsan 283: fi
1.26 pazsan 284: ;;
1.1 anton 285: mips*)
1.34 anton 286: machine=mips
1.92 anton 287: #dynamic native code has the following problems on MIPS:
288: #
289: #1) J/JAL seems relocatable, but is are only
290: #relocatable within a 256MB-segment. While we try to
291: #get the linker to arrange this, there is no guarantee
292: #that this will succeed (and if the user uses a lot of
293: #memory, it is likely to fail).
294: #
295: #2) The way we generate dynamic native code may
296: #violate MIPS architectural restrictions (in
297: #particular, the delay slots of LW, MFLO, etc.)
298: #
299: #Therefore we disable dynamic native code by default:
1.136 anton 300: if test -z $no_dynamic_default; then
301: no_dynamic_default=1
302: AC_MSG_WARN([Disabling default dynamic native code generation (relocation and delay slot issues)])
303: fi
1.1 anton 304: ;;
1.9 pazsan 305: alpha*)
1.34 anton 306: machine=alpha
1.58 anton 307: #full IEEE FP support for more uniformity across platforms:
308: CFLAGS="$CFLAGS -mieee"
1.9 pazsan 309: ;;
1.69 anton 310: power*|rs6000)
1.34 anton 311: machine=power
1.46 anton 312: $srcdir/mkinstalldirs arch/power
1.138 anton 313: AC_CHECK_FUNC(_sync_cache_range,[true],[AC_LIBOBJ(../arch/power/_sync_cache_range)])
1.103 anton 314: #long long is broken on (at least) gcc-2.95.* for PPC
1.165 anton 315: test x$ac_cv_sizeof_long_long = x &&
316: ($CC -v 2>&1 |grep -q 'gcc version 2.95') &&
317: ac_cv_sizeof_long_long=0
1.31 anton 318: ;;
1.1 anton 319: *)
1.92 anton 320: AC_MSG_WARN([Using a generic machine description])
321: AC_MSG_WARN([Assuming C floats and doubles are IEEE floats and doubles (for SF@ DF@ SF! DF!)])
322: AC_MSG_WARN([FLUSH-ICACHE will do nothing, so END-CODE may not work properly!])
1.34 anton 323: machine=generic
1.97 anton 324: #I-cache flushing would be needed for dynamic code generation
1.136 anton 325: if test -z $no_dynamic_default; then
326: no_dynamic_default=1
327: AC_MSG_WARN([No I-cache flush code known, disabling dynamic native code generation])
328: fi
1.1 anton 329: esac
1.10 anton 330: AC_SUBST(host)
1.151 anton 331:
1.184 pazsan 332: MAKEINC=""
333:
334: echo "Check for arch/$machine/$platform/gforth.ld ($EC_MODE)"
1.183 pazsan 335: if test x$EC_MODE = xtrue
336: then
1.184 pazsan 337: echo "Check for arch/$machine/$platform/gforth.ld"
338: if test -f arch/$machine/$platform/gforth.ld
1.183 pazsan 339: then
1.184 pazsan 340: LDFLAGS="-T ../arch/$machine/$platform/gforth.ld -Map \$@.map -cref --gc-sections $LDFLAGS"
341: if test x$platform = xnxt; then
1.183 pazsan 342: 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 $LIBS"
343: fi
344: fi
1.184 pazsan 345: if test -f arch/$machine/$platform/make.inc
346: then
347: MAKEINC="include ../arch/$machine/$platform/make.inc"
348: fi
1.183 pazsan 349: fi
1.184 pazsan 350: AC_SUBST(MAKEINC)
1.183 pazsan 351:
1.151 anton 352: test x$STACK_CACHE_DEFAULT_FAST = x && STACK_CACHE_DEFAULT_FAST=1
353: AC_DEFINE_UNQUOTED(STACK_CACHE_DEFAULT_FAST, $STACK_CACHE_DEFAULT_FAST,
354: [number of registers in the default stack cache state for gforth-fast and gforth-native])
1.146 pazsan 355:
1.173 anton 356: test x$GCC_PR15242_WORKAROUND = x ||
357: AC_DEFINE_UNQUOTED(GCC_PR15242_WORKAROUND, $GCC_PR15242_WORKAROUND,
358: [force (1) or forbid (0) use of a workaround for a gcc performance bug])
359:
360: dnl AC_DEFINE(GCC_PR15242_WORKAROUND,,[Define if you want to get dynamic code
361: dnl generation on gccs affected by PR15242])
362:
363:
1.146 pazsan 364: if test "${enable_force_ll+set}" = set; then
365: ac_includes_default="$ac_includes_default
366: #include \"arch/generic/128bit.h\""
367: fi
1.103 anton 368:
369: dnl the following macro produces a warning with autoconf-2.1
370: AC_CHECK_SIZEOF(char *)
371: case "$ac_cv_sizeof_char_p" in
372: 2)
373: wordsize=16
374: ;;
375: 4)
376: wordsize=32
377: ;;
378: 8)
379: wordsize=64
380: ;;
381: esac
382:
1.183 pazsan 383: AC_CHECK_SIZEOF(void *)
384: case "$ac_cv_sizeof_void_p" in
385: 2)
386: vwordsize=16
387: ;;
388: 4)
389: vwordsize=32
390: ;;
391: 8)
392: vwordsize=64
393: ;;
394: esac
395:
1.103 anton 396: AC_CHECK_SIZEOF(char)
397: AC_CHECK_SIZEOF(short)
398: AC_CHECK_SIZEOF(int)
399: AC_CHECK_SIZEOF(long)
400: AC_CHECK_SIZEOF(long long)
401: AC_CHECK_SIZEOF(intptr_t)
402: AC_CHECK_SIZEOF(int128_t)
1.144 pazsan 403: AC_CHECK_SIZEOF(uint128_t)
1.103 anton 404:
405: AC_MSG_CHECKING([for a C type for cells])
406: ac_cv_int_type_cell=none
407: case "$ac_cv_sizeof_char_p" in
408: $ac_cv_sizeof_int)
409: ac_cv_int_type_cell=int
410: ;;
411: $ac_cv_sizeof_short)
412: ac_cv_int_type_cell=short
413: ;;
414: $ac_cv_sizeof_char)
415: ac_cv_int_type_cell=char
416: ;;
417: $ac_cv_sizeof_long)
418: ac_cv_int_type_cell=long
419: ;;
420: $ac_cv_sizeof_long_long)
421: ac_cv_int_type_cell="long long"
422: ;;
423: $ac_cv_sizeof_intptr_t)
424: ac_cv_int_type_cell="intptr_t"
425: ;;
426: $ac_cv_sizeof_int128_t)
427: ac_cv_int_type_cell="int128_t"
428: ;;
429: esac
430: AC_MSG_RESULT($ac_cv_int_type_cell)
431: AC_DEFINE_UNQUOTED(CELL_TYPE,$ac_cv_int_type_cell,[an integer type that is as long as a pointer])
432:
1.153 pazsan 433: AC_MSG_CHECKING([for a C type for wydes])
434: ac_cv_wyde_type_cell=none
435: case 2 in
436: $ac_cv_sizeof_int)
437: ac_cv_wyde_type_cell=int
438: ;;
439: $ac_cv_sizeof_short)
440: ac_cv_wyde_type_cell=short
441: ;;
442: $ac_cv_sizeof_char)
443: ac_cv_wyde_type_cell=char
444: ;;
445: $ac_cv_sizeof_long)
446: ac_cv_wyde_type_cell=long
447: ;;
448: $ac_cv_sizeof_long_long)
449: ac_cv_wyde_type_cell="long long"
450: ;;
451: $ac_cv_sizeof_intptr_t)
452: ac_cv_wyde_type_cell="intptr_t"
453: ;;
454: $ac_cv_sizeof_int128_t)
455: ac_cv_wyde_type_cell="int128_t"
456: ;;
457: esac
458: AC_MSG_RESULT($ac_cv_wyde_type_cell)
459: AC_DEFINE_UNQUOTED(WYDE_TYPE,$ac_cv_wyde_type_cell,[an integer type that is 2 bytes long])
460:
461: AC_MSG_CHECKING([for a C type for tetrabytes])
462: ac_cv_tetrabyte_type_cell=none
463: case 4 in
464: $ac_cv_sizeof_int)
465: ac_cv_tetrabyte_type_cell=int
466: ;;
467: $ac_cv_sizeof_short)
468: ac_cv_tetrabyte_type_cell=short
469: ;;
470: $ac_cv_sizeof_char)
471: ac_cv_tetrabyte_type_cell=char
472: ;;
473: $ac_cv_sizeof_long)
474: ac_cv_tetrabyte_type_cell=long
475: ;;
476: $ac_cv_sizeof_long_long)
477: ac_cv_tetrabyte_type_cell="long long"
478: ;;
479: $ac_cv_sizeof_intptr_t)
480: ac_cv_tetrabyte_type_cell="intptr_t"
481: ;;
482: $ac_cv_sizeof_int128_t)
483: ac_cv_tetrabyte_type_cell="int128_t"
484: ;;
485: esac
486: AC_MSG_RESULT($ac_cv_tetrabyte_type_cell)
487: AC_DEFINE_UNQUOTED(TETRABYTE_TYPE,$ac_cv_tetrabyte_type_cell,[an integer type that is 4 bytes long])
488:
1.103 anton 489: AC_MSG_CHECKING([for a C type for double-cells])
490: ac_cv_int_type_double_cell=none
491: case `expr 2 '*' "$ac_cv_sizeof_char_p"` in
492: $ac_cv_sizeof_short)
493: ac_cv_int_type_double_cell=short
494: ;;
495: $ac_cv_sizeof_int)
496: ac_cv_int_type_double_cell=int
497: ;;
498: $ac_cv_sizeof_long)
499: ac_cv_int_type_double_cell=long
500: ;;
501: $ac_cv_sizeof_long_long)
502: ac_cv_int_type_double_cell="long long"
503: ;;
504: $ac_cv_sizeof_intptr_t)
505: ac_cv_int_type_double_cell="intptr_t"
506: ;;
507: $ac_cv_sizeof_int128_t)
508: ac_cv_int_type_double_cell="int128_t"
509: ;;
510: esac
511: AC_MSG_RESULT($ac_cv_int_type_double_cell)
1.144 pazsan 512:
513: AC_MSG_CHECKING([for a C type for unsigned double-cells])
514: ac_cv_int_type_double_ucell=none
515: case `expr 2 '*' "$ac_cv_sizeof_char_p"` in
516: $ac_cv_sizeof_short)
517: ac_cv_int_type_double_ucell="unsigned short"
518: ;;
519: $ac_cv_sizeof_int)
520: ac_cv_int_type_double_ucell="unsigned int"
521: ;;
522: $ac_cv_sizeof_long)
523: ac_cv_int_type_double_ucell="unsigned long"
524: ;;
525: $ac_cv_sizeof_long_long)
526: ac_cv_int_type_double_ucell="unsigned long long"
527: ;;
528: $ac_cv_sizeof_intptr_t)
529: ac_cv_int_type_double_ucell="unsigned intptr_t"
530: ;;
531: $ac_cv_sizeof_uint128_t)
532: ac_cv_int_type_double_ucell="uint128_t"
533: ;;
534: esac
535: AC_MSG_RESULT($ac_cv_int_type_double_ucell)
536:
537: if test "$ac_cv_int_type_double_cell" = none || \
538: test "$ac_cv_int_type_double_ucell" = none
539: then
1.103 anton 540: AC_MSG_WARN([Emulating double-cell arithmetic. This may be slow.])
541: AC_LIBOBJ(dblsub)
542: AC_DEFINE(BUGGY_LONG_LONG,,[define this if there is no working DOUBLE_CELL_TYPE on your machine])
543: else
544: AC_DEFINE_UNQUOTED(DOUBLE_CELL_TYPE,$ac_cv_int_type_double_cell,[an integer type that is twice as long as a pointer])
1.144 pazsan 545: AC_DEFINE_UNQUOTED(DOUBLE_UCELL_TYPE,$ac_cv_int_type_double_ucell,[an unsigned integer type that is twice as long as a pointer])
1.103 anton 546: fi
547:
548: AC_TYPE_OFF_T
549: AC_CHECK_SIZEOF(off_t)
550: test $ac_cv_sizeof_off_t -gt $ac_cv_sizeof_char_p
551: ac_small_off_t=$?
552: AC_DEFINE_UNQUOTED(SMALL_OFF_T,$ac_small_off_t,[1 if off_t fits in a Cell])
1.1 anton 553:
1.109 anton 554: ENGINE_FLAGS=
555: AC_SUBST(ENGINE_FLAGS)
556:
557: # Try if GCC understands -fno-gcse
558:
559: AC_MSG_CHECKING([if $CC understands -fno-gcse])
560: CFLAGS_1="$CFLAGS"
561: CFLAGS="$CFLAGS -fno-gcse"
562: AC_TRY_COMPILE(,,ac_nogcse=yes;ENGINE_FLAGS="$ENGINE_FLAGS -fno-gcse",ac_nogcse=no)
563: CFLAGS="$CFLAGS_1"
564: AC_MSG_RESULT($ac_nogcse)
565:
566: # Try if GCC understands -fno-strict-aliasing
567: AC_MSG_CHECKING([if $CC understands -fno-strict-aliasing])
568: CFLAGS_1="$CFLAGS"
569: CFLAGS="$CFLAGS -fno-strict-aliasing"
570: AC_TRY_COMPILE(,,ac_nostrictaliasing=yes;ENGINE_FLAGS="$ENGINE_FLAGS -fno-strict-aliasing",ac_nostrictaliasing=no)
571: CFLAGS="$CFLAGS_1"
572: AC_MSG_RESULT($ac_nostrictaliasing)
573:
1.123 anton 574: # Try if GCC understands -fno-crossjumping
575: AC_MSG_CHECKING([if $CC understands -fno-crossjumping])
1.88 pazsan 576: CFLAGS_1="$CFLAGS"
1.123 anton 577: CFLAGS="$CFLAGS -fno-crossjumping"
1.125 anton 578: AC_TRY_COMPILE(,,ac_nocrossjumping=yes;ENGINE_FLAGS="$ENGINE_FLAGS -fno-crossjumping",ac_nocrossjumping=no)
1.109 anton 579: CFLAGS="$CFLAGS_1"
1.124 pazsan 580: AC_MSG_RESULT($ac_nocrossjumping)
1.88 pazsan 581:
1.137 pazsan 582: # Try if GCC understands -fno-reorder-blocks
583: AC_MSG_CHECKING([if $CC understands -fno-reorder-blocks])
584: CFLAGS_1="$CFLAGS"
585: CFLAGS="$CFLAGS -fno-reorder-blocks"
586: AC_TRY_COMPILE(,,ac_noreorder_blocks=yes;ENGINE_FLAGS="$ENGINE_FLAGS -fno-reorder-blocks",ac_noreorder_blocks=no)
587: CFLAGS="$CFLAGS_1"
588: AC_MSG_RESULT($ac_noreorder_blocks)
589:
1.189 anton 590: # Try if GCC understands -falign-labels=1
591: AC_MSG_CHECKING([if $CC understands -falign-labels=1])
592: CFLAGS_1="$CFLAGS"
593: CFLAGS="$CFLAGS -falign-labels=1"
1.194 anton 594: AC_TRY_COMPILE(,,ac_align_labels=yes;ENGINE_FLAGS="$ENGINE_FLAGS -falign-labels=1",ac_align_labels=no)
1.189 anton 595: CFLAGS="$CFLAGS_1"
596: AC_MSG_RESULT($ac_align_labels)
597:
1.193 anton 598: # Try if GCC understands -falign-loops=1
599: AC_MSG_CHECKING([if $CC understands -falign-loops=1])
600: CFLAGS_1="$CFLAGS"
601: CFLAGS="$CFLAGS -falign-loops=1"
1.194 anton 602: AC_TRY_COMPILE(,,ac_align_loops=yes;ENGINE_FLAGS="$ENGINE_FLAGS -falign-loops=1",ac_align_loops=no)
1.193 anton 603: CFLAGS="$CFLAGS_1"
604: AC_MSG_RESULT($ac_align_loops)
605:
606: # Try if GCC understands -falign-jumps=1
607: AC_MSG_CHECKING([if $CC understands -falign-jumps=1])
608: CFLAGS_1="$CFLAGS"
609: CFLAGS="$CFLAGS -falign-jumps=1"
1.194 anton 610: AC_TRY_COMPILE(,,ac_align_jumps=yes;ENGINE_FLAGS="$ENGINE_FLAGS -falign-jumps=1",ac_align_jumps=no)
1.193 anton 611: CFLAGS="$CFLAGS_1"
612: AC_MSG_RESULT($ac_align_jumps)
613:
1.130 anton 614: # Try if GCC understands __attribute__((unused))
615: AC_MSG_CHECKING([how to suppress 'unused variable' warnings])
616: AC_TRY_COMPILE(,[int __attribute__((unused)) foo;], MAYBE_UNUSED='__attribute__((unused))',)
617: AC_DEFINE_UNQUOTED(MAYBE_UNUSED,$MAYBE_UNUSED,[attribute for possibly unused variables])
618: AC_MSG_RESULT($MAYBE_UNUSED)
619:
1.195 anton 620: #try if m4 understands -s
621: AC_MSG_CHECKING([how to invoke m4])
1.196 anton 622: if m4 -s /dev/null >/dev/null 2>&1; then
1.195 anton 623: M4="m4 -s"
624: else
625: M4=m4
626: fi
627: AC_SUBST(M4)
628: AC_DEFINE_UNQUOTED(M4,"$M4",[How to invoke m4])
629: AC_MSG_RESULT($M4)
630:
1.191 anton 631: echo "machine='$machine'"
632:
633: dnl AC_CHECK_PROG(asm_fs,asm.fs,arch/$machine/asm.fs,,$srcdir/arch/$machine)
634: AC_CHECK_FILE($srcdir/arch/$machine/asm.fs,[asm_fs=arch/$machine/asm.fs],)
1.61 anton 635: AC_SUBST(asm_fs)
636:
1.191 anton 637: dnl AC_CHECK_PROG(disasm_fs,disasm.fs,arch/$machine/disasm.fs,,$srcdir/arch/$machine)
638: AC_CHECK_FILE($srcdir/arch/$machine/disasm.fs,[disasm_fs=arch/$machine/disasm.fs],)
1.61 anton 639: AC_SUBST(disasm_fs)
640:
1.116 anton 641: AC_PATH_PROG(INSTALL_INFO,install-info,[echo '>>>>Please make info dir entry:'],$PATH:/sbin:/usr/sbin:/usr/local/sbin)
1.114 anton 642:
1.39 pazsan 643: case "$host_os" in
1.157 pazsan 644: *win32*)
645: # !!!FIXME!!! problems with cygwin and ';' as path separator
1.108 anton 646: DIRSEP="\\\\"
1.127 anton 647: PATHSEP=";"
1.142 anton 648: #we want the builtins of command.com/cmd.exe and its
649: # handling of .com files.
650: #$COMSPEC contains the name of the Windows shell;
651: # the ./ is there, because the bash does not recognize
652: # absolute DOS filenames
653: DEFAULTSYSTEMPREFIX="./$COMSPEC /c "
1.39 pazsan 654: ;;
1.97 anton 655: *darwin*)
656: #Darwin uses some funny preprocessor by default; eliminate it:
1.127 anton 657: AC_MSG_NOTICE([using -no-cpp-precomp on Darwin])
1.120 anton 658: CFLAGS="$CFLAGS -no-cpp-precomp"
1.98 anton 659: DIRSEP="/"
1.127 anton 660: PATHSEP=":"
1.141 anton 661: DEFAULTSYSTEMPREFIX=""
1.98 anton 662: ;;
1.39 pazsan 663: *)
1.88 pazsan 664: DIRSEP="/"
1.127 anton 665: PATHSEP=":"
1.141 anton 666: DEFAULTSYSTEMPREFIX=""
1.39 pazsan 667: ;;
668: esac
1.88 pazsan 669: AC_SUBST(DIRSEP)
1.89 pazsan 670: AC_DEFINE_UNQUOTED(DIRSEP,'$DIRSEP',[a directory separator character])
1.127 anton 671: AC_SUBST(PATHSEP)
672: AC_DEFINE_UNQUOTED(PATHSEP,'$PATHSEP',[a path separator character])
1.141 anton 673: AC_SUBST(DEFAULTSYSTEMPREFIX)
674: AC_DEFINE_UNQUOTED(DEFAULTSYSTEMPREFIX,"$DEFAULTSYSTEMPREFIX",[default for environment variable GFORTHSYSTEMPREFIX])
1.39 pazsan 675:
1.170 anton 676: #work around SELinux brain damage (from Andrew Haley <12t8f3jakb74g2c@news.supernews.com>)
1.172 anton 677: #This magic incantation seems to be completely undocumented.
678: AC_CHECK_PROG([MASSAGE_EXE],[chcon],[chcon -t unconfined_execmem_exec_t],[true])
1.170 anton 679:
1.1 anton 680: dnl Now a little support for DOS/DJGCC
1.30 pazsan 681: AC_SUBST(GFORTH_EXE)
1.172 anton 682: GFORTH_EXE=""
1.48 anton 683: AC_SUBST(GFORTHFAST_EXE)
1.172 anton 684: GFORTHFAST_EXE=""
1.83 anton 685: AC_SUBST(GFORTHITC_EXE)
686: GFORTHITC_EXE=""
1.30 pazsan 687: AC_SUBST(GFORTHDITC_EXE)
688: GFORTHDITC_EXE=""
1.27 anton 689:
690: AC_SUBST(FORTHSIZES)
1.24 anton 691:
1.104 anton 692: dnl if test "$PEEPHOLE" = "yes"
693: dnl then
694: dnl PEEPHOLEFLAG="true"
695: dnl AC_DEFINE(HAS_PEEPHOLE,,[Define if you want to use peephole optimization])
696: dnl else
697: dnl PEEPHOLEFLAG="false"
698: dnl fi
699: PEEPHOLEFLAG="true"
1.79 pazsan 700: AC_SUBST(PEEPHOLEFLAG)
701:
1.1 anton 702: dnl copy commands for systems that don't have links
1.29 pazsan 703: AC_SUBST(LINK_KERNL)
704: LINK_KERNL=""
1.1 anton 705:
706: #if test $host_os=dos
707: #then
708: # echo Configuring for DOS!!!
709: # MAKE_EXE="coff2exe gforth"
1.29 pazsan 710: # LINK_KERNL='$(CP) kernl32l.fi kernel.fi'
1.1 anton 711: #fi
712:
713: dnl the following macro produces a warning with autoconf-2.1
714: AC_C_BIGENDIAN
1.23 pazsan 715: AC_SUBST(KERNEL)
1.1 anton 716: dnl ac_cv_c_bigendian is an undocumented variable of autoconf-2.1
717: if test $ac_cv_c_bigendian = yes; then
718: bytesex=b
1.23 pazsan 719: KERNEL="kernl16b.fi kernl16l.fi kernl32b.fi kernl32l.fi kernl64b.fi kernl64l.fi"
1.1 anton 720: else
721: bytesex=l
1.23 pazsan 722: KERNEL="kernl16l.fi kernl16b.fi kernl32l.fi kernl32b.fi kernl64l.fi kernl64b.fi"
1.1 anton 723: fi
724:
1.91 anton 725: #check how to do asm(".skip 16")
1.169 anton 726: #echo "CFLAGS=$CFLAGS"
727: #echo "ac_link=$ac_link"
1.92 anton 728: AC_MSG_CHECKING([if and how we can waste code space])
1.136 anton 729: if test -z "$skipcode"; then
1.148 anton 730: skipcode=no
731: CFLAGS_1="$CFLAGS"
732: CFLAGS="$CFLAGS $ENGINE_FLAGS"
1.136 anton 733: for i in ".skip 16" ".block 16" ".org .+16" ".=.+16" ".space 16"
734: do
1.91 anton 735: AC_TRY_RUN(
1.136 anton 736: [int foo(int,int,int);
1.91 anton 737: main()
738: {
1.136 anton 739: exit(foo(0,0,0)!=16);
1.91 anton 740: }
1.136 anton 741: int foo(int x, int y, int z)
1.91 anton 742: {
1.136 anton 743: static void *labels[]={&&label1, &&label2};
1.91 anton 744: if (x) {
1.136 anton 745: y++; /* workaround for http://gcc.gnu.org/bugzilla/show_bug.cgi?id=12108 */
1.91 anton 746: label1:
1.148 anton 747: asm("$i"); /* or ".space 16" or somesuch */
1.136 anton 748: label2: ;
749: }
750: {
751: if (y) goto *labels[z]; /* workaround for gcc PR12108 */
752: return labels[1]-labels[0];
1.91 anton 753: }
1.136 anton 754: }]
1.92 anton 755: ,skipcode=$i; break
756: ,,)
1.136 anton 757: done
1.148 anton 758: CFLAGS=$CFLAGS_1
1.136 anton 759: fi
1.92 anton 760: AC_MSG_RESULT($skipcode)
761: if test "$skipcode" = no
762: then
1.136 anton 763: if test -z $no_dynamic_default; then
764: no_dynamic_default=1
765: AC_MSG_WARN(Disabling default dynamic native code generation)
766: fi
1.92 anton 767: AC_DEFINE_UNQUOTED(SKIP16,((void)0),statement for skipping 16 bytes)
768: else
769: AC_DEFINE_UNQUOTED(SKIP16,asm("$skipcode"),statement for skipping 16 bytes)
770: fi
1.91 anton 771:
1.174 anton 772: AC_MSG_CHECKING([if and how we can do comments in asm statements])
773: #the point here is to get asm statements that look different to
774: #gcc's "optimizer"
775: if test -z "$asmcomment"; then
776: asmcomment=no
777: CFLAGS_1="$CFLAGS"
778: CFLAGS="$CFLAGS $ENGINE_FLAGS"
1.176 anton 779: for i in '"# "' '"! "' '"; "'; do
1.174 anton 780: AC_TRY_COMPILE(,[asm($i"fluffystunk");],asmcomment=$i; break,)
781: done
782: CFLAGS=$CFLAGS_1
783: fi
784: AC_MSG_RESULT($asmcomment)
785: if test "$asmcomment" != no
786: then
787: AC_DEFINE_UNQUOTED(ASMCOMMENT,$asmcomment,[assembler comment start string])
788: fi
789:
1.136 anton 790: test "$no_dynamic_default" || no_dynamic_default=0
1.92 anton 791: AC_DEFINE_UNQUOTED(NO_DYNAMIC_DEFAULT,$no_dynamic_default,default value for no_dynamic)
1.91 anton 792:
1.1 anton 793: dnl Checks for programs.
794: AC_PROG_LN_S
1.95 anton 795: AC_PROG_INSTALL
1.163 pazsan 796: AC_CHECK_PROGS(TEXI2DVI,texi2dvi4a2ps texi2dvi)
1.1 anton 797:
1.198 ! anton 798: dnl MacOS X has a libtool that does something else
! 799: AC_CHECK_PROGS(GNU_LIBTOOL,glibtool libtool)
! 800:
1.1 anton 801: dnl Checks for library functions
1.2 anton 802: dnl This check is just for making later checks link with libm.
803: dnl using sin here is no good idea since it is built-into gcc and typechecked
804: AC_CHECK_LIB(m,asin)
1.197 anton 805: AC_CHECK_LIB(ltdl,lt_dlinit)
1.31 anton 806: AC_CHECK_LIB(dl,dlopen)
1.152 pazsan 807: dnl check for libffi 2.x
808: AC_CHECK_LIB(ffi,ffi_call)
809: if test $ac_cv_lib_ffi_ffi_call = yes
810: then
811: LIBFFIFLAG="true"
812: FFCALLFLAG="false"
813: OLDCALLFLAG="false"
814: AC_DEFINE(HAS_LIBFFI,,[define this if you want to use the ffcall interface with libffi 2.0])
815: else
1.124 pazsan 816: dnl check for ffcall libraries
817: dnl unfortunately, these four calls are separated out into a library each.
818: AC_CHECK_LIB(avcall,__builtin_avcall)
819: AC_CHECK_LIB(callback,__vacall_r)
820: AC_CHECK_LIB(vacall,vacall)
821: AC_CHECK_LIB(trampoline,alloc_trampoline)
1.152 pazsan 822: LIBFFIFLAG="false"
1.125 anton 823: FFCALLFLAG="false"
1.129 pazsan 824: OLDCALLFLAG="true"
825: 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])
826: test $ac_cv_lib_avcall___builtin_avcall = no && AC_DEFINE(HAS_OLDCALL,,[define this if you want to use the old call libraries])
1.152 pazsan 827: fi
828: AC_SUBST(LIBFFIFLAG)
1.125 anton 829: AC_SUBST(FFCALLFLAG)
1.129 pazsan 830: AC_SUBST(OLDCALLFLAG)
1.32 pazsan 831: if test "$host_os" != "nextstep3"
832: then
833: AC_FUNC_MEMCMP
834: fi
1.25 pazsan 835: AC_REPLACE_FUNCS(memmove strtoul pow10 strerror strsignal atanh)
1.97 anton 836: AC_FUNC_FSEEKO
1.186 anton 837: AC_CHECK_FUNCS(ftello dlopen sys_siglist getrusage nanosleep)
1.111 anton 838: AC_CHECK_TYPES(stack_t,,,[#include <signal.h>])
1.19 anton 839: AC_DECL_SYS_SIGLIST
1.138 anton 840: AC_CHECK_FUNC(getopt_long,[true],[AC_LIBOBJ(getopt) AC_LIBOBJ(getopt1)])
1.90 anton 841: AC_CHECK_FUNCS(expm1 log1p)
842: AC_REPLACE_FUNCS(rint ecvt)
1.1 anton 843: dnl No check for select, because our replacement is no good under
844: dnl anything but DOS
1.62 anton 845: AC_CHECK_HEADERS(sys/mman.h fnmatch.h)
1.63 anton 846: AC_FUNC_FNMATCH
1.87 pazsan 847: test $ac_cv_func_fnmatch_works = yes || AC_LIBOBJ(fnmatch)
1.28 anton 848: AC_CHECK_FUNCS(mmap sysconf getpagesize)
1.34 anton 849: AM_PATH_LISPDIR
1.1 anton 850:
1.183 pazsan 851: kernel_fi=kernl${vwordsize}${bytesex}.fi
1.178 pazsan 852: include_fi=kernl${wordsize}${bytesex}${EC}.fi
1.23 pazsan 853: AC_SUBST(kernel_fi)
1.178 pazsan 854: AC_SUBST(include_fi)
1.50 jwilke 855:
1.76 anton 856: #this breaks bindists
857: #dnl replace srource directory by absolute value
858: #if test $srcdir = "."; then srcdir=`pwd`
859: #fi
1.8 anton 860:
1.34 anton 861: AC_SUBST(machine)
1.95 anton 862: AC_CONFIG_FILES([
1.31 anton 863: Makefile
1.45 pazsan 864: Makedist
1.43 anton 865: gforthmi
1.80 anton 866: vmgen
1.79 pazsan 867: machpc.fs
1.159 pazsan 868: envos.fs
1.35 anton 869: engine/Makefile
1.188 anton 870: engine/libcc.h
1.161 pazsan 871: doc/version.texi
872: build-ec ])
1.95 anton 873: AC_CONFIG_COMMANDS([stamp-h],[[echo timestamp > stamp-h
1.43 anton 874: chmod +x gforthmi
1.80 anton 875: chmod +x vmgen
1.162 pazsan 876: chmod +x build-ec
1.188 anton 877: test -d kernel||mkdir kernel
878: $srcdir/mkinstalldirs include/gforth/$PACKAGE_VERSION
879: ln -s ../../../engine/config.h ../../../engine/libcc.h include/gforth/$PACKAGE_VERSION]],[[PACKAGE_VERSION=$PACKAGE_VERSION]])
1.95 anton 880: AC_OUTPUT
1.44 anton 881:
FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>