Annotation of gforth/configure.in, revision 1.232
1.1 anton 1: dnl Process this file with autoconf to produce a configure script.
1.20 anton 2:
1.231 anton 3: #Copyright (C) 1995,1996,1997,1998,2000,2003,2004,2005,2006,2007,2008 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
1.232 ! anton 23: AC_INIT([gforth],[0.6.9-20080716],[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!
1.232 ! anton 28: UPDATED="July 16, 2008"
1.84 anton 29: AC_SUBST(UPDATED)
1.94 anton 30: AC_CONFIG_HEADERS(engine/config.h)
1.14 anton 31:
1.225 anton 32: #remnants from having ltdl as convenience library
33: LTDLDEPS=""
34: LTDLINCL=""
35: LIBLTDL=""
36: LTDL_LDLIBS=""
37: AC_SUBST(LTDLDEPS)
38: AC_SUBST(LTDLINCL)
39: AC_SUBST(LIBLTDL)
1.219 anton 40: AC_SUBST(LTDL_LDLIBS)
41:
1.121 anton 42: #suppress the "-g -O2" default
43: test "$CFLAGS" || CFLAGS=-O2
44:
1.150 pazsan 45: AC_ARG_ENABLE(force-cdiv,
46: AC_HELP_STRING([--enable-force-cdiv],
47: [ Use the native C division - symmetric - instead of
48: floored division (default disabled).]),
49: ,enable_force_cdiv=no)
50: test "$enable_force_cdiv" = "no"||
51: AC_DEFINE(FORCE_CDIV,,[Define if you want to use explicit symmetric division for better performance])
52:
1.149 anton 53: AC_SUBST(PROFEXES)
54: AC_SUBST(PROFOBJS)
1.135 anton 55: AC_ARG_ENABLE(prof,
1.149 anton 56: AC_HELP_STRING([--enable-prof],
57: [ Build gforth-prof, which outputs frequently occuring
58: sequences of primitives.]),
59: ,enable_prof=no)
1.204 anton 60: if test "$enable_prof" != "no"; then
61: PROFEXES='gforth-prof$(OPT)$(EXE)'; PROFOBJS='engine-prof$(OPT).o main-prof$(OPT).o profile$(OPT).o'
1.149 anton 62: fi
1.1 anton 63:
1.9 pazsan 64: AC_ARG_WITH(debug,
1.122 pazsan 65: [ --with-debug specifies option -g to compile with debug info
66: --without-debug omits the -g switch and creates smaller images on
67: machines where "strip" has problems with gcc style
68: debugging informations.],
1.9 pazsan 69: if test "$withval" = "yes"; then DEBUGFLAG=-g; fi)
1.122 pazsan 70:
1.185 pazsan 71: GCC_LD="\$(GCC)"
72: EC_MODE="false"
73: EC=""
1.204 anton 74: engine2='engine2$(OPT).o'
75: engine_fast2='engine-fast2$(OPT).o'
1.185 pazsan 76: no_dynamic=""
77: image_i=""
78: signals_o="io.o signals.o"
79:
1.182 pazsan 80: AC_ARG_WITH(ec,
81: AC_HELP_STRING([--with-ec=<arch>],
1.168 pazsan 82: [ Build gforth for systems without OS.]),
1.182 pazsan 83: [if test "$withval" = "no"; then
84: echo "defining hosted system"
85: else
86: echo "defining standalone system (${withval})"
1.168 pazsan 87: AC_DEFINE(STANDALONE,,[Define if you want a Gforth without OS])
1.167 pazsan 88: EC_MODE="true"
1.178 pazsan 89: EC="-ec"
90: engine2=""
91: engine_fast2=""
92: no_dynamic="-DNO_DYNAMIC"
93: image_i="image.i"
1.182 pazsan 94: if test "$withval" != "yes"; then
95: signals_o="io-${withval}.o"
96: else
97: signals_o="io.o"
98: fi
1.183 pazsan 99: GCC_PATH=$(which $CC)
100: LIB_PATH=${GCC_PATH%/*/*}
101: GCC_LD="\$(LD)"
1.184 pazsan 102: platform=${withval}
1.182 pazsan 103: fi])
1.167 pazsan 104:
1.104 anton 105: #variables mentioned in INSTALL
1.203 anton 106: AC_ARG_VAR(CC, [The C compiler (must support GNU C 2.x).])
1.104 anton 107: AC_ARG_VAR(FORTHSIZES, [Gforth command line options for the default stack and dictionary sizes (see INSTALL).])
1.203 anton 108: 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 109: 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 110: 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)])
111:
1.104 anton 112: AC_ARG_VAR(ac_cv_sizeof_char_p, [sizeof(char *)])
1.183 pazsan 113: AC_ARG_VAR(ac_cv_sizeof_void_p, [sizeof(void *)])
1.104 anton 114: AC_ARG_VAR(ac_cv_sizeof_char, [sizeof(char)])
115: AC_ARG_VAR(ac_cv_sizeof_short, [sizeof(short)])
116: AC_ARG_VAR(ac_cv_sizeof_int, [sizeof(int)])
117: AC_ARG_VAR(ac_cv_sizeof_long, [sizeof(long)])
118: AC_ARG_VAR(ac_cv_sizeof_long_long, [sizeof(long long)])
119: AC_ARG_VAR(ac_cv_sizeof_intptr_t, [sizeof(intptr_t)])
1.123 anton 120: AC_ARG_VAR(ac_cv_c_bigendian, [Is the target big-endian ("yes" or "no")?])
121: AC_ARG_VAR(no_dynamic_default, [run gforth with --dynamic (0) or --no-dynamic (1) by default])
1.190 anton 122: AC_ARG_VAR(condbranch_opt, [enable (1) or disable (0) using two dispatches for conditional branches])
1.166 anton 123: AC_ARG_VAR(skipcode, [assembly code for skipping 16 bytes of code])
1.174 anton 124: AC_ARG_VAR(asmcomment, [assembler comment start string])
1.175 anton 125: AC_ARG_VAR(arm_cacheflush, [file containing ARM cacheflush function (without .c)])
1.82 anton 126:
1.96 anton 127: #set up feature test macros, so the tests get them right:
128: # turn on all POSIX, SUSv3, and GNU features if available
1.97 anton 129: AC_GNU_SOURCE
130: dnl AC_DEFINE_UNQUOTED([_GNU_SOURCE],1,[feature test macro])
131:
132: dnl Don't define _POSIX_SOURCE etc. because some OSs (in particular
133: dnl MacOSX) disable some features then (MacOSX checks for _POSIX_SOURCE,
134: dnl but not for _XOPEN_SOURCE)
135: dnl AC_DEFINE_UNQUOTED([_POSIX_SOURCE],1,[feature test macro])
136: dnl AC_DEFINE_UNQUOTED([_POSIX_C_SOURCE],199506L,[feature test macro])
137: dnl AC_DEFINE_UNQUOTED([_XOPEN_SOURCE],600,[feature test macro])
1.96 anton 138: # turn on large file support with 64-bit off_t where available
1.105 anton 139: AC_SYS_LARGEFILE
140: dnl AC_DEFINE_UNQUOTED([_LARGEFILE_SOURCE],1,[feature test macro])
141: dnl AC_DEFINE_UNQUOTED([_FILE_OFFSET_BITS],64,[feature test macro])
1.96 anton 142:
1.82 anton 143: #currently we force direct threading this way. Eventually we should
144: #setup in the arch and engine files right
1.16 anton 145:
1.15 pazsan 146: AC_PROG_CC
147:
1.92 anton 148: test "$GCC" = "yes" || AC_MSG_ERROR(Gforth uses GNU C extensions and requires GCC 2.0 or higher)
1.9 pazsan 149:
1.190 anton 150: AC_MSG_CHECKING([whether to use two dispatches per conditional branch])
151: test x$condbranch_opt = x &&
152: if ($CC -v 2>&1 |grep -q 'gcc version 3'); then
153: condbranch_opt=0
154: else
155: condbranch_opt=1
156: fi
157: AC_MSG_RESULT($condbranch_opt)
158: AC_SUBST(condbranch_opt)
159:
1.15 pazsan 160: AC_SUBST(CC)
1.183 pazsan 161: AC_SUBST(GCC_LD)
1.9 pazsan 162: AC_SUBST(DEBUGFLAG)
1.178 pazsan 163: AC_SUBST(EC)
1.167 pazsan 164: AC_SUBST(EC_MODE)
1.178 pazsan 165: AC_SUBST(engine2)
166: AC_SUBST(engine_fast2)
167: AC_SUBST(no_dynamic)
168: AC_SUBST(image_i)
1.179 pazsan 169: AC_SUBST(signals_o)
1.7 anton 170:
1.174 anton 171: #this is used to disable some (not generally essential) part of the
172: #Makefile that some makes don't grok. It would be better to test for
173: #this specific Makefile feature than the make version.
1.128 pazsan 174: AC_MSG_CHECKING(make type)
1.174 anton 175: make_type=`make -n -v 2>&1|grep 'ake'|sed 's/ake .*/ake/'`
1.128 pazsan 176: GNUMAKE='#'
177: test "$make_type" = "GNU Make" && GNUMAKE=''
178: AC_MSG_RESULT($make_type)
179: AC_SUBST(GNUMAKE)
180:
1.50 jwilke 181: AC_MSG_CHECKING([whether the linker accepts -export-dynamic])
182: OLDLDFLAGS=$LDFLAGS
183: LDFLAGS="$LDFLAGS -export-dynamic"
1.69 anton 184: dnl AC_TRY_LINK gives false positive on rs6000-ibm-aix4.2.1.0
185: dnl AC_TRY_LINK(,,ac_export_dynamic=yes,ac_export_dynamic=no)
186: AC_TRY_RUN(main(){exit(0);},ac_export_dynamic=yes,ac_export_dynamic=no,ac_export_dynamic=no)
1.50 jwilke 187: test $ac_export_dynamic = yes|| LDFLAGS=$OLDLDFLAGS
188: AC_MSG_RESULT($ac_export_dynamic)
189:
1.1 anton 190: #terminology is a bit unusual here: The host is the system on which
191: #gforth will run; the system on which configure will run is the `build'
192: AC_CANONICAL_HOST
193: case "$host_cpu" in
1.136 anton 194: arm*)
195: machine=arm
196: CFLAGS="$CFLAGS -fomit-frame-pointer"
1.184 pazsan 197: if test x$platform = xnxt; then
1.183 pazsan 198: CFLAGS="$CFLAGS -mthumb -mthumb-interwork"
199: fi
1.175 anton 200: if test -z $arm_cacheflush; then
1.212 dvdkhlng 201: case "$host_os" in
202: *linux*)
203: arm_cacheflush=arch/arm/cacheflush-linux
204: ;;
205: *)
206: no_dynamic_default=1
207: arm_cacheflush=arch/arm/cacheflush0
208: AC_MSG_WARN([No I-cache flush code known, disabling dynamic native code generation])
209: ;;
210: esac
1.136 anton 211: fi
1.212 dvdkhlng 212: AC_LIBSOURCES([../arch/arm/cacheflush0, dnl
213: ../arch/arm/cacheflush-linux])
1.175 anton 214: AC_LIBOBJ(../$arm_cacheflush)
1.177 anton 215: #longer skipcodes lead to problems on ARM, and it uses
216: #only 4-byte alignment anyway
217: test "$skipcode" || skipcode="nop"
1.136 anton 218: ;;
1.1 anton 219: hppa*)
1.34 anton 220: machine=hppa
1.46 anton 221: $srcdir/mkinstalldirs arch/hppa
1.87 pazsan 222: AC_LIBOBJ(../arch/hppa/cache)
1.134 anton 223: #-N needed for --dynamic <M4U3b.3790$9d.317@news.cpqcorp.net>
224: LDFLAGS="$LDFLAGS -Xlinker -N"
1.47 anton 225: LIBS="$LIBS -L/lib/pa1.1/"
1.1 anton 226: ;;
227: sparc*)
1.34 anton 228: machine=sparc
1.1 anton 229: ;;
1.31 anton 230: i386)
1.34 anton 231: machine=386
1.189 anton 232: CFLAGS="$CFLAGS -fomit-frame-pointer -fforce-addr"
1.31 anton 233: ;;
234: i486)
1.34 anton 235: machine=386
1.189 anton 236: CFLAGS="$CFLAGS -fomit-frame-pointer -fforce-addr -m486"
1.31 anton 237: ;;
1.77 anton 238: i*86)
1.34 anton 239: machine=386
1.189 anton 240: CFLAGS="$CFLAGS -fomit-frame-pointer -fforce-addr"
1.56 pazsan 241: CFLAGS_1="$CFLAGS"
1.87 pazsan 242: CFLAGS="$CFLAGS -march=pentium"
1.56 pazsan 243: AC_TRY_COMPILE(,,,CFLAGS="$CFLAGS_1 -m486")
1.1 anton 244: ;;
1.133 anton 245: x86_64)
1.192 pazsan 246: case $CC
247: in
248: *-m32*)
249: machine=386
250: CFLAGS="$CFLAGS -fomit-frame-pointer -fforce-addr"
251: CFLAGS_1="$CFLAGS"
252: CFLAGS="$CFLAGS -march=athlon64"
253: ;;
254: *)
255: machine=amd64
256: ;;
257: esac
1.133 anton 258: ;;
1.136 anton 259: ia64*)
260: machine=ia64
261: AC_LIBOBJ(../arch/ia64/flush_icache_block)
262: test "$skipcode" || skipcode="nop.i 0"
263: #".skip 16" passes the test below,
264: # but gives an assembler error in engine
265: ;;
1.26 pazsan 266: m68k)
1.34 anton 267: machine=m68k
1.32 pazsan 268: CFLAGS="$CFLAGS -fomit-frame-pointer"
269: if test "$host_os" = "nextstep3"
270: then
1.87 pazsan 271: AC_LIBOBJ(termios)
1.32 pazsan 272: fi
1.26 pazsan 273: ;;
1.1 anton 274: mips*)
1.34 anton 275: machine=mips
1.92 anton 276: #dynamic native code has the following problems on MIPS:
277: #
278: #1) J/JAL seems relocatable, but is are only
279: #relocatable within a 256MB-segment. While we try to
280: #get the linker to arrange this, there is no guarantee
281: #that this will succeed (and if the user uses a lot of
282: #memory, it is likely to fail).
283: #
284: #2) The way we generate dynamic native code may
285: #violate MIPS architectural restrictions (in
286: #particular, the delay slots of LW, MFLO, etc.)
287: #
288: #Therefore we disable dynamic native code by default:
1.136 anton 289: if test -z $no_dynamic_default; then
290: no_dynamic_default=1
291: AC_MSG_WARN([Disabling default dynamic native code generation (relocation and delay slot issues)])
292: fi
1.1 anton 293: ;;
1.9 pazsan 294: alpha*)
1.34 anton 295: machine=alpha
1.58 anton 296: #full IEEE FP support for more uniformity across platforms:
297: CFLAGS="$CFLAGS -mieee"
1.9 pazsan 298: ;;
1.69 anton 299: power*|rs6000)
1.34 anton 300: machine=power
1.46 anton 301: $srcdir/mkinstalldirs arch/power
1.138 anton 302: AC_CHECK_FUNC(_sync_cache_range,[true],[AC_LIBOBJ(../arch/power/_sync_cache_range)])
1.103 anton 303: #long long is broken on (at least) gcc-2.95.* for PPC
1.165 anton 304: test x$ac_cv_sizeof_long_long = x &&
305: ($CC -v 2>&1 |grep -q 'gcc version 2.95') &&
306: ac_cv_sizeof_long_long=0
1.203 anton 307: #The only architecture with enough callee-saved registers
308: test x$STACK_CACHE_REGS = x && STACK_CACHE_REGS=3
309: #or use 2, hardly slower at run-time and starts up faster
1.31 anton 310: ;;
1.1 anton 311: *)
1.92 anton 312: AC_MSG_WARN([Using a generic machine description])
313: AC_MSG_WARN([Assuming C floats and doubles are IEEE floats and doubles (for SF@ DF@ SF! DF!)])
314: AC_MSG_WARN([FLUSH-ICACHE will do nothing, so END-CODE may not work properly!])
1.34 anton 315: machine=generic
1.97 anton 316: #I-cache flushing would be needed for dynamic code generation
1.136 anton 317: if test -z $no_dynamic_default; then
318: no_dynamic_default=1
319: AC_MSG_WARN([No I-cache flush code known, disabling dynamic native code generation])
320: fi
1.1 anton 321: esac
1.10 anton 322: AC_SUBST(host)
1.151 anton 323:
1.184 pazsan 324: MAKEINC=""
325:
326: echo "Check for arch/$machine/$platform/gforth.ld ($EC_MODE)"
1.183 pazsan 327: if test x$EC_MODE = xtrue
328: then
1.184 pazsan 329: echo "Check for arch/$machine/$platform/gforth.ld"
330: if test -f arch/$machine/$platform/gforth.ld
1.183 pazsan 331: then
1.184 pazsan 332: LDFLAGS="-T ../arch/$machine/$platform/gforth.ld -Map \$@.map -cref --gc-sections $LDFLAGS"
333: if test x$platform = xnxt; then
1.183 pazsan 334: 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 $LIBS"
335: fi
336: fi
1.184 pazsan 337: if test -f arch/$machine/$platform/make.inc
338: then
339: MAKEINC="include ../arch/$machine/$platform/make.inc"
340: fi
1.183 pazsan 341: fi
1.184 pazsan 342: AC_SUBST(MAKEINC)
1.183 pazsan 343:
1.203 anton 344: AC_ARG_VAR(STACK_CACHE_REGS, [number of registers in the maximum stack cache state for gforth-fast and gforth-native (default platform-dependent).])
345:
346: test x$STACK_CACHE_REGS = x && STACK_CACHE_REGS=1
347: AC_DEFINE_UNQUOTED(STACK_CACHE_REGS, $STACK_CACHE_REGS,
348: [number of registers in the maximum stack cache state for gforth-fast and gforth-native])
1.151 anton 349: test x$STACK_CACHE_DEFAULT_FAST = x && STACK_CACHE_DEFAULT_FAST=1
350: AC_DEFINE_UNQUOTED(STACK_CACHE_DEFAULT_FAST, $STACK_CACHE_DEFAULT_FAST,
351: [number of registers in the default stack cache state for gforth-fast and gforth-native])
1.146 pazsan 352:
1.173 anton 353: test x$GCC_PR15242_WORKAROUND = x ||
354: AC_DEFINE_UNQUOTED(GCC_PR15242_WORKAROUND, $GCC_PR15242_WORKAROUND,
355: [force (1) or forbid (0) use of a workaround for a gcc performance bug])
356:
1.103 anton 357: dnl the following macro produces a warning with autoconf-2.1
358: AC_CHECK_SIZEOF(char *)
359: case "$ac_cv_sizeof_char_p" in
360: 2)
361: wordsize=16
362: ;;
363: 4)
364: wordsize=32
365: ;;
366: 8)
367: wordsize=64
368: ;;
369: esac
370:
1.183 pazsan 371: AC_CHECK_SIZEOF(void *)
372: case "$ac_cv_sizeof_void_p" in
373: 2)
374: vwordsize=16
375: ;;
376: 4)
377: vwordsize=32
378: ;;
379: 8)
380: vwordsize=64
381: ;;
382: esac
383:
1.103 anton 384: AC_CHECK_SIZEOF(char)
385: AC_CHECK_SIZEOF(short)
386: AC_CHECK_SIZEOF(int)
387: AC_CHECK_SIZEOF(long)
388: AC_CHECK_SIZEOF(long long)
389: AC_CHECK_SIZEOF(intptr_t)
390: AC_CHECK_SIZEOF(int128_t)
1.144 pazsan 391: AC_CHECK_SIZEOF(uint128_t)
1.103 anton 392:
393: AC_MSG_CHECKING([for a C type for cells])
394: ac_cv_int_type_cell=none
395: case "$ac_cv_sizeof_char_p" in
396: $ac_cv_sizeof_int)
397: ac_cv_int_type_cell=int
398: ;;
399: $ac_cv_sizeof_short)
400: ac_cv_int_type_cell=short
401: ;;
402: $ac_cv_sizeof_char)
403: ac_cv_int_type_cell=char
404: ;;
405: $ac_cv_sizeof_long)
406: ac_cv_int_type_cell=long
407: ;;
408: $ac_cv_sizeof_long_long)
409: ac_cv_int_type_cell="long long"
410: ;;
411: $ac_cv_sizeof_intptr_t)
412: ac_cv_int_type_cell="intptr_t"
413: ;;
414: esac
415: AC_MSG_RESULT($ac_cv_int_type_cell)
416: AC_DEFINE_UNQUOTED(CELL_TYPE,$ac_cv_int_type_cell,[an integer type that is as long as a pointer])
417:
1.153 pazsan 418: AC_MSG_CHECKING([for a C type for wydes])
419: ac_cv_wyde_type_cell=none
420: case 2 in
421: $ac_cv_sizeof_int)
422: ac_cv_wyde_type_cell=int
423: ;;
424: $ac_cv_sizeof_short)
425: ac_cv_wyde_type_cell=short
426: ;;
427: $ac_cv_sizeof_char)
428: ac_cv_wyde_type_cell=char
429: ;;
430: $ac_cv_sizeof_long)
431: ac_cv_wyde_type_cell=long
432: ;;
433: $ac_cv_sizeof_long_long)
434: ac_cv_wyde_type_cell="long long"
435: ;;
436: $ac_cv_sizeof_intptr_t)
437: ac_cv_wyde_type_cell="intptr_t"
438: ;;
439: esac
440: AC_MSG_RESULT($ac_cv_wyde_type_cell)
441: AC_DEFINE_UNQUOTED(WYDE_TYPE,$ac_cv_wyde_type_cell,[an integer type that is 2 bytes long])
442:
443: AC_MSG_CHECKING([for a C type for tetrabytes])
444: ac_cv_tetrabyte_type_cell=none
445: case 4 in
446: $ac_cv_sizeof_int)
447: ac_cv_tetrabyte_type_cell=int
448: ;;
449: $ac_cv_sizeof_short)
450: ac_cv_tetrabyte_type_cell=short
451: ;;
452: $ac_cv_sizeof_char)
453: ac_cv_tetrabyte_type_cell=char
454: ;;
455: $ac_cv_sizeof_long)
456: ac_cv_tetrabyte_type_cell=long
457: ;;
458: $ac_cv_sizeof_long_long)
459: ac_cv_tetrabyte_type_cell="long long"
460: ;;
461: $ac_cv_sizeof_intptr_t)
462: ac_cv_tetrabyte_type_cell="intptr_t"
463: ;;
464: esac
465: AC_MSG_RESULT($ac_cv_tetrabyte_type_cell)
466: AC_DEFINE_UNQUOTED(TETRABYTE_TYPE,$ac_cv_tetrabyte_type_cell,[an integer type that is 4 bytes long])
467:
1.103 anton 468: AC_MSG_CHECKING([for a C type for double-cells])
469: ac_cv_int_type_double_cell=none
470: case `expr 2 '*' "$ac_cv_sizeof_char_p"` in
471: $ac_cv_sizeof_short)
472: ac_cv_int_type_double_cell=short
473: ;;
474: $ac_cv_sizeof_int)
475: ac_cv_int_type_double_cell=int
476: ;;
477: $ac_cv_sizeof_long)
478: ac_cv_int_type_double_cell=long
479: ;;
480: $ac_cv_sizeof_long_long)
481: ac_cv_int_type_double_cell="long long"
482: ;;
483: $ac_cv_sizeof_intptr_t)
484: ac_cv_int_type_double_cell="intptr_t"
485: ;;
1.205 anton 486: $ac_cv_sizeof_int128_t)
1.103 anton 487: ac_cv_int_type_double_cell="int128_t"
488: ;;
489: esac
490: AC_MSG_RESULT($ac_cv_int_type_double_cell)
1.144 pazsan 491:
492: AC_MSG_CHECKING([for a C type for unsigned double-cells])
493: ac_cv_int_type_double_ucell=none
494: case `expr 2 '*' "$ac_cv_sizeof_char_p"` in
495: $ac_cv_sizeof_short)
496: ac_cv_int_type_double_ucell="unsigned short"
497: ;;
498: $ac_cv_sizeof_int)
499: ac_cv_int_type_double_ucell="unsigned int"
500: ;;
501: $ac_cv_sizeof_long)
502: ac_cv_int_type_double_ucell="unsigned long"
503: ;;
504: $ac_cv_sizeof_long_long)
505: ac_cv_int_type_double_ucell="unsigned long long"
506: ;;
507: $ac_cv_sizeof_intptr_t)
508: ac_cv_int_type_double_ucell="unsigned intptr_t"
509: ;;
510: $ac_cv_sizeof_uint128_t)
511: ac_cv_int_type_double_ucell="uint128_t"
512: ;;
513: esac
514: AC_MSG_RESULT($ac_cv_int_type_double_ucell)
515:
1.204 anton 516: if test "$ac_cv_int_type_double_cell" != none && \
517: test "$ac_cv_int_type_double_ucell" != none
1.144 pazsan 518: then
1.103 anton 519: AC_DEFINE_UNQUOTED(DOUBLE_CELL_TYPE,$ac_cv_int_type_double_cell,[an integer type that is twice as long as a pointer])
1.144 pazsan 520: AC_DEFINE_UNQUOTED(DOUBLE_UCELL_TYPE,$ac_cv_int_type_double_ucell,[an unsigned integer type that is twice as long as a pointer])
1.206 anton 521: OPTS=-ll
522: else
1.217 pazsan 523: if test "$ac_cv_sizeof_char_p" = 8; then
1.213 anton 524: OPTS="-ll -noll"
1.206 anton 525: else
526: OPTS=-noll
527: fi
1.103 anton 528: fi
1.207 anton 529:
530: if grep -q FORCE_REG arch/$machine/machine.h; then
1.227 pazsan 531: OPTS2=''
532: for i in $OPTS; do OPTS2="$OPTS2 $i-reg"; done
533: OPTS="$OPTS2 $OPTS"
1.223 anton 534: else
535: AC_DEFINE_UNQUOTED(FORCE_REG_UNNECESSARY,,[defined if the platform does not need FORCE_REG])
1.207 anton 536: fi
1.206 anton 537: AC_SUBST(OPTS)
1.103 anton 538:
539: AC_TYPE_OFF_T
540: AC_CHECK_SIZEOF(off_t)
541: test $ac_cv_sizeof_off_t -gt $ac_cv_sizeof_char_p
542: ac_small_off_t=$?
543: AC_DEFINE_UNQUOTED(SMALL_OFF_T,$ac_small_off_t,[1 if off_t fits in a Cell])
1.1 anton 544:
1.109 anton 545: ENGINE_FLAGS=
546: AC_SUBST(ENGINE_FLAGS)
547:
548: # Try if GCC understands -fno-gcse
549:
550: AC_MSG_CHECKING([if $CC understands -fno-gcse])
551: CFLAGS_1="$CFLAGS"
552: CFLAGS="$CFLAGS -fno-gcse"
553: AC_TRY_COMPILE(,,ac_nogcse=yes;ENGINE_FLAGS="$ENGINE_FLAGS -fno-gcse",ac_nogcse=no)
554: CFLAGS="$CFLAGS_1"
555: AC_MSG_RESULT($ac_nogcse)
556:
557: # Try if GCC understands -fno-strict-aliasing
558: AC_MSG_CHECKING([if $CC understands -fno-strict-aliasing])
559: CFLAGS_1="$CFLAGS"
560: CFLAGS="$CFLAGS -fno-strict-aliasing"
561: AC_TRY_COMPILE(,,ac_nostrictaliasing=yes;ENGINE_FLAGS="$ENGINE_FLAGS -fno-strict-aliasing",ac_nostrictaliasing=no)
562: CFLAGS="$CFLAGS_1"
563: AC_MSG_RESULT($ac_nostrictaliasing)
564:
1.123 anton 565: # Try if GCC understands -fno-crossjumping
566: AC_MSG_CHECKING([if $CC understands -fno-crossjumping])
1.88 pazsan 567: CFLAGS_1="$CFLAGS"
1.123 anton 568: CFLAGS="$CFLAGS -fno-crossjumping"
1.125 anton 569: AC_TRY_COMPILE(,,ac_nocrossjumping=yes;ENGINE_FLAGS="$ENGINE_FLAGS -fno-crossjumping",ac_nocrossjumping=no)
1.109 anton 570: CFLAGS="$CFLAGS_1"
1.124 pazsan 571: AC_MSG_RESULT($ac_nocrossjumping)
1.88 pazsan 572:
1.137 pazsan 573: # Try if GCC understands -fno-reorder-blocks
574: AC_MSG_CHECKING([if $CC understands -fno-reorder-blocks])
575: CFLAGS_1="$CFLAGS"
576: CFLAGS="$CFLAGS -fno-reorder-blocks"
577: AC_TRY_COMPILE(,,ac_noreorder_blocks=yes;ENGINE_FLAGS="$ENGINE_FLAGS -fno-reorder-blocks",ac_noreorder_blocks=no)
578: CFLAGS="$CFLAGS_1"
579: AC_MSG_RESULT($ac_noreorder_blocks)
580:
1.189 anton 581: # Try if GCC understands -falign-labels=1
582: AC_MSG_CHECKING([if $CC understands -falign-labels=1])
583: CFLAGS_1="$CFLAGS"
584: CFLAGS="$CFLAGS -falign-labels=1"
1.194 anton 585: AC_TRY_COMPILE(,,ac_align_labels=yes;ENGINE_FLAGS="$ENGINE_FLAGS -falign-labels=1",ac_align_labels=no)
1.189 anton 586: CFLAGS="$CFLAGS_1"
587: AC_MSG_RESULT($ac_align_labels)
588:
1.193 anton 589: # Try if GCC understands -falign-loops=1
590: AC_MSG_CHECKING([if $CC understands -falign-loops=1])
591: CFLAGS_1="$CFLAGS"
592: CFLAGS="$CFLAGS -falign-loops=1"
1.194 anton 593: AC_TRY_COMPILE(,,ac_align_loops=yes;ENGINE_FLAGS="$ENGINE_FLAGS -falign-loops=1",ac_align_loops=no)
1.193 anton 594: CFLAGS="$CFLAGS_1"
595: AC_MSG_RESULT($ac_align_loops)
596:
597: # Try if GCC understands -falign-jumps=1
598: AC_MSG_CHECKING([if $CC understands -falign-jumps=1])
599: CFLAGS_1="$CFLAGS"
600: CFLAGS="$CFLAGS -falign-jumps=1"
1.194 anton 601: AC_TRY_COMPILE(,,ac_align_jumps=yes;ENGINE_FLAGS="$ENGINE_FLAGS -falign-jumps=1",ac_align_jumps=no)
1.193 anton 602: CFLAGS="$CFLAGS_1"
603: AC_MSG_RESULT($ac_align_jumps)
604:
1.130 anton 605: # Try if GCC understands __attribute__((unused))
606: AC_MSG_CHECKING([how to suppress 'unused variable' warnings])
607: AC_TRY_COMPILE(,[int __attribute__((unused)) foo;], MAYBE_UNUSED='__attribute__((unused))',)
608: AC_DEFINE_UNQUOTED(MAYBE_UNUSED,$MAYBE_UNUSED,[attribute for possibly unused variables])
609: AC_MSG_RESULT($MAYBE_UNUSED)
610:
1.195 anton 611: #try if m4 understands -s
612: AC_MSG_CHECKING([how to invoke m4])
1.196 anton 613: if m4 -s /dev/null >/dev/null 2>&1; then
1.195 anton 614: M4="m4 -s"
615: else
616: M4=m4
617: fi
618: AC_SUBST(M4)
619: AC_DEFINE_UNQUOTED(M4,"$M4",[How to invoke m4])
620: AC_MSG_RESULT($M4)
621:
1.202 pazsan 622: # Find installed Gforth
623: AC_MSG_CHECKING([for gforth])
1.215 anton 624: GFORTH="`cd / && which gforth 2>/dev/null`"
625: if test -z "$GFORTH"; then
1.223 anton 626: PREFORTH='echo "You need to configure with a gforth in \$PATH to build this part" && false'
1.215 anton 627: else
628: PREFORTH="$GFORTH -i `cd / && gforth --debug -e bye 2>&1 |grep "Opened image file: "|sed 's/Opened image file: //'`" ;
629: fi
630: AC_SUBST(PREFORTH)
631: AC_DEFINE_UNQUOTED(PREFORTH,"$PREFORTH",[How to invoke the pre-installed gforth])
632: AC_MSG_RESULT($PREFORTH)
1.202 pazsan 633:
1.215 anton 634: #echo "machine='$machine'"
1.191 anton 635:
636: dnl AC_CHECK_PROG(asm_fs,asm.fs,arch/$machine/asm.fs,,$srcdir/arch/$machine)
637: AC_CHECK_FILE($srcdir/arch/$machine/asm.fs,[asm_fs=arch/$machine/asm.fs],)
1.61 anton 638: AC_SUBST(asm_fs)
639:
1.191 anton 640: dnl AC_CHECK_PROG(disasm_fs,disasm.fs,arch/$machine/disasm.fs,,$srcdir/arch/$machine)
641: AC_CHECK_FILE($srcdir/arch/$machine/disasm.fs,[disasm_fs=arch/$machine/disasm.fs],)
1.61 anton 642: AC_SUBST(disasm_fs)
643:
1.116 anton 644: AC_PATH_PROG(INSTALL_INFO,install-info,[echo '>>>>Please make info dir entry:'],$PATH:/sbin:/usr/sbin:/usr/local/sbin)
1.114 anton 645:
1.39 pazsan 646: case "$host_os" in
1.157 pazsan 647: *win32*)
648: # !!!FIXME!!! problems with cygwin and ';' as path separator
1.108 anton 649: DIRSEP="\\\\"
1.127 anton 650: PATHSEP=";"
1.142 anton 651: #we want the builtins of command.com/cmd.exe and its
652: # handling of .com files.
653: #$COMSPEC contains the name of the Windows shell;
654: # the ./ is there, because the bash does not recognize
655: # absolute DOS filenames
656: DEFAULTSYSTEMPREFIX="./$COMSPEC /c "
1.39 pazsan 657: ;;
1.97 anton 658: *darwin*)
659: #Darwin uses some funny preprocessor by default; eliminate it:
1.127 anton 660: AC_MSG_NOTICE([using -no-cpp-precomp on Darwin])
1.120 anton 661: CFLAGS="$CFLAGS -no-cpp-precomp"
1.98 anton 662: DIRSEP="/"
1.127 anton 663: PATHSEP=":"
1.141 anton 664: DEFAULTSYSTEMPREFIX=""
1.98 anton 665: ;;
1.39 pazsan 666: *)
1.88 pazsan 667: DIRSEP="/"
1.127 anton 668: PATHSEP=":"
1.141 anton 669: DEFAULTSYSTEMPREFIX=""
1.39 pazsan 670: ;;
671: esac
1.88 pazsan 672: AC_SUBST(DIRSEP)
1.89 pazsan 673: AC_DEFINE_UNQUOTED(DIRSEP,'$DIRSEP',[a directory separator character])
1.127 anton 674: AC_SUBST(PATHSEP)
675: AC_DEFINE_UNQUOTED(PATHSEP,'$PATHSEP',[a path separator character])
1.141 anton 676: AC_SUBST(DEFAULTSYSTEMPREFIX)
677: AC_DEFINE_UNQUOTED(DEFAULTSYSTEMPREFIX,"$DEFAULTSYSTEMPREFIX",[default for environment variable GFORTHSYSTEMPREFIX])
1.39 pazsan 678:
1.170 anton 679: #work around SELinux brain damage (from Andrew Haley <12t8f3jakb74g2c@news.supernews.com>)
1.172 anton 680: #This magic incantation seems to be completely undocumented.
681: AC_CHECK_PROG([MASSAGE_EXE],[chcon],[chcon -t unconfined_execmem_exec_t],[true])
1.170 anton 682:
1.1 anton 683: dnl Now a little support for DOS/DJGCC
1.30 pazsan 684: AC_SUBST(GFORTH_EXE)
1.208 anton 685: GFORTH_EXE="true"
1.48 anton 686: AC_SUBST(GFORTHFAST_EXE)
1.208 anton 687: GFORTHFAST_EXE="true"
1.83 anton 688: AC_SUBST(GFORTHITC_EXE)
1.208 anton 689: GFORTHITC_EXE="true"
1.30 pazsan 690: AC_SUBST(GFORTHDITC_EXE)
1.208 anton 691: GFORTHDITC_EXE="true"
1.27 anton 692:
693: AC_SUBST(FORTHSIZES)
1.24 anton 694:
1.104 anton 695: dnl if test "$PEEPHOLE" = "yes"
696: dnl then
697: dnl PEEPHOLEFLAG="true"
698: dnl AC_DEFINE(HAS_PEEPHOLE,,[Define if you want to use peephole optimization])
699: dnl else
700: dnl PEEPHOLEFLAG="false"
701: dnl fi
702: PEEPHOLEFLAG="true"
1.79 pazsan 703: AC_SUBST(PEEPHOLEFLAG)
704:
1.1 anton 705: dnl copy commands for systems that don't have links
1.29 pazsan 706: AC_SUBST(LINK_KERNL)
707: LINK_KERNL=""
1.1 anton 708:
709: #if test $host_os=dos
710: #then
711: # echo Configuring for DOS!!!
712: # MAKE_EXE="coff2exe gforth"
1.29 pazsan 713: # LINK_KERNL='$(CP) kernl32l.fi kernel.fi'
1.1 anton 714: #fi
715:
716: dnl the following macro produces a warning with autoconf-2.1
717: AC_C_BIGENDIAN
1.23 pazsan 718: AC_SUBST(KERNEL)
1.1 anton 719: dnl ac_cv_c_bigendian is an undocumented variable of autoconf-2.1
720: if test $ac_cv_c_bigendian = yes; then
721: bytesex=b
1.23 pazsan 722: KERNEL="kernl16b.fi kernl16l.fi kernl32b.fi kernl32l.fi kernl64b.fi kernl64l.fi"
1.1 anton 723: else
724: bytesex=l
1.23 pazsan 725: KERNEL="kernl16l.fi kernl16b.fi kernl32l.fi kernl32b.fi kernl64l.fi kernl64b.fi"
1.1 anton 726: fi
727:
1.91 anton 728: #check how to do asm(".skip 16")
1.169 anton 729: #echo "CFLAGS=$CFLAGS"
730: #echo "ac_link=$ac_link"
1.92 anton 731: AC_MSG_CHECKING([if and how we can waste code space])
1.136 anton 732: if test -z "$skipcode"; then
1.148 anton 733: skipcode=no
734: CFLAGS_1="$CFLAGS"
735: CFLAGS="$CFLAGS $ENGINE_FLAGS"
1.136 anton 736: for i in ".skip 16" ".block 16" ".org .+16" ".=.+16" ".space 16"
737: do
1.91 anton 738: AC_TRY_RUN(
1.136 anton 739: [int foo(int,int,int);
1.91 anton 740: main()
741: {
1.136 anton 742: exit(foo(0,0,0)!=16);
1.91 anton 743: }
1.136 anton 744: int foo(int x, int y, int z)
1.91 anton 745: {
1.136 anton 746: static void *labels[]={&&label1, &&label2};
1.91 anton 747: if (x) {
1.136 anton 748: y++; /* workaround for http://gcc.gnu.org/bugzilla/show_bug.cgi?id=12108 */
1.91 anton 749: label1:
1.148 anton 750: asm("$i"); /* or ".space 16" or somesuch */
1.136 anton 751: label2: ;
752: }
753: {
754: if (y) goto *labels[z]; /* workaround for gcc PR12108 */
755: return labels[1]-labels[0];
1.91 anton 756: }
1.136 anton 757: }]
1.92 anton 758: ,skipcode=$i; break
759: ,,)
1.136 anton 760: done
1.148 anton 761: CFLAGS=$CFLAGS_1
1.136 anton 762: fi
1.92 anton 763: AC_MSG_RESULT($skipcode)
764: if test "$skipcode" = no
765: then
1.136 anton 766: if test -z $no_dynamic_default; then
767: no_dynamic_default=1
768: AC_MSG_WARN(Disabling default dynamic native code generation)
769: fi
1.92 anton 770: AC_DEFINE_UNQUOTED(SKIP16,((void)0),statement for skipping 16 bytes)
771: else
772: AC_DEFINE_UNQUOTED(SKIP16,asm("$skipcode"),statement for skipping 16 bytes)
773: fi
1.91 anton 774:
1.174 anton 775: AC_MSG_CHECKING([if and how we can do comments in asm statements])
776: #the point here is to get asm statements that look different to
777: #gcc's "optimizer"
778: if test -z "$asmcomment"; then
779: asmcomment=no
780: CFLAGS_1="$CFLAGS"
781: CFLAGS="$CFLAGS $ENGINE_FLAGS"
1.176 anton 782: for i in '"# "' '"! "' '"; "'; do
1.174 anton 783: AC_TRY_COMPILE(,[asm($i"fluffystunk");],asmcomment=$i; break,)
784: done
785: CFLAGS=$CFLAGS_1
786: fi
787: AC_MSG_RESULT($asmcomment)
788: if test "$asmcomment" != no
789: then
790: AC_DEFINE_UNQUOTED(ASMCOMMENT,$asmcomment,[assembler comment start string])
791: fi
792:
1.136 anton 793: test "$no_dynamic_default" || no_dynamic_default=0
1.92 anton 794: AC_DEFINE_UNQUOTED(NO_DYNAMIC_DEFAULT,$no_dynamic_default,default value for no_dynamic)
1.91 anton 795:
1.1 anton 796: dnl Checks for programs.
797: AC_PROG_LN_S
1.95 anton 798: AC_PROG_INSTALL
1.163 pazsan 799: AC_CHECK_PROGS(TEXI2DVI,texi2dvi4a2ps texi2dvi)
1.1 anton 800:
1.198 anton 801: dnl MacOS X has a libtool that does something else
802: AC_CHECK_PROGS(GNU_LIBTOOL,glibtool libtool)
803:
1.1 anton 804: dnl Checks for library functions
1.2 anton 805: dnl This check is just for making later checks link with libm.
806: dnl using sin here is no good idea since it is built-into gcc and typechecked
807: AC_CHECK_LIB(m,asin)
1.225 anton 808: AC_CHECK_LIB(ltdl,lt_dlinit)
1.152 pazsan 809: dnl check for libffi 2.x
810: AC_CHECK_LIB(ffi,ffi_call)
811: if test $ac_cv_lib_ffi_ffi_call = yes
812: then
813: LIBFFIFLAG="true"
814: FFCALLFLAG="false"
815: OLDCALLFLAG="false"
816: AC_DEFINE(HAS_LIBFFI,,[define this if you want to use the ffcall interface with libffi 2.0])
817: else
1.124 pazsan 818: dnl check for ffcall libraries
819: dnl unfortunately, these four calls are separated out into a library each.
820: AC_CHECK_LIB(avcall,__builtin_avcall)
821: AC_CHECK_LIB(callback,__vacall_r)
822: AC_CHECK_LIB(vacall,vacall)
823: AC_CHECK_LIB(trampoline,alloc_trampoline)
1.152 pazsan 824: LIBFFIFLAG="false"
1.125 anton 825: FFCALLFLAG="false"
1.129 pazsan 826: OLDCALLFLAG="true"
827: 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])
828: test $ac_cv_lib_avcall___builtin_avcall = no && AC_DEFINE(HAS_OLDCALL,,[define this if you want to use the old call libraries])
1.152 pazsan 829: fi
830: AC_SUBST(LIBFFIFLAG)
1.125 anton 831: AC_SUBST(FFCALLFLAG)
1.129 pazsan 832: AC_SUBST(OLDCALLFLAG)
1.32 pazsan 833: if test "$host_os" != "nextstep3"
834: then
835: AC_FUNC_MEMCMP
836: fi
1.25 pazsan 837: AC_REPLACE_FUNCS(memmove strtoul pow10 strerror strsignal atanh)
1.97 anton 838: AC_FUNC_FSEEKO
1.186 anton 839: AC_CHECK_FUNCS(ftello dlopen sys_siglist getrusage nanosleep)
1.111 anton 840: AC_CHECK_TYPES(stack_t,,,[#include <signal.h>])
1.19 anton 841: AC_DECL_SYS_SIGLIST
1.138 anton 842: AC_CHECK_FUNC(getopt_long,[true],[AC_LIBOBJ(getopt) AC_LIBOBJ(getopt1)])
1.90 anton 843: AC_CHECK_FUNCS(expm1 log1p)
844: AC_REPLACE_FUNCS(rint ecvt)
1.1 anton 845: dnl No check for select, because our replacement is no good under
846: dnl anything but DOS
1.62 anton 847: AC_CHECK_HEADERS(sys/mman.h fnmatch.h)
1.63 anton 848: AC_FUNC_FNMATCH
1.87 pazsan 849: test $ac_cv_func_fnmatch_works = yes || AC_LIBOBJ(fnmatch)
1.28 anton 850: AC_CHECK_FUNCS(mmap sysconf getpagesize)
1.34 anton 851: AM_PATH_LISPDIR
1.1 anton 852:
1.183 pazsan 853: kernel_fi=kernl${vwordsize}${bytesex}.fi
1.178 pazsan 854: include_fi=kernl${wordsize}${bytesex}${EC}.fi
1.23 pazsan 855: AC_SUBST(kernel_fi)
1.178 pazsan 856: AC_SUBST(include_fi)
1.50 jwilke 857:
1.76 anton 858: #this breaks bindists
859: #dnl replace srource directory by absolute value
860: #if test $srcdir = "."; then srcdir=`pwd`
861: #fi
1.8 anton 862:
1.34 anton 863: AC_SUBST(machine)
1.95 anton 864: AC_CONFIG_FILES([
1.31 anton 865: Makefile
1.45 pazsan 866: Makedist
1.43 anton 867: gforthmi
1.80 anton 868: vmgen
1.79 pazsan 869: machpc.fs
1.159 pazsan 870: envos.fs
1.223 anton 871: preforth
1.35 anton 872: engine/Makefile
1.188 anton 873: engine/libcc.h
1.161 pazsan 874: doc/version.texi
875: build-ec ])
1.95 anton 876: AC_CONFIG_COMMANDS([stamp-h],[[echo timestamp > stamp-h
1.43 anton 877: chmod +x gforthmi
1.80 anton 878: chmod +x vmgen
1.162 pazsan 879: chmod +x build-ec
1.223 anton 880: chmod +x preforth
1.188 anton 881: test -d kernel||mkdir kernel
882: $srcdir/mkinstalldirs include/gforth/$PACKAGE_VERSION
1.199 anton 883: ln -sf ../../../engine/config.h ../../../engine/libcc.h include/gforth/$PACKAGE_VERSION]],[[PACKAGE_VERSION=$PACKAGE_VERSION]])
1.95 anton 884: AC_OUTPUT
1.44 anton 885:
FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>