Annotation of gforth/configure.in, revision 1.183
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
1.181 pazsan 24: AC_INIT([gforth],[0.6.9-20070401],[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!
1.160 pazsan 29: UPDATED="April 09, 2006"
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="$withval")
88:
1.182 pazsan 89: AC_ARG_WITH(ec,
90: AC_HELP_STRING([--with-ec=<arch>],
1.168 pazsan 91: [ Build gforth for systems without OS.]),
1.182 pazsan 92: [if test "$withval" = "no"; then
93: echo "defining hosted system"
94: EC_MODE="false"
95: EC=""
96: engine2="engine2.o"
97: engine_fast2="engine-fast2.o"
98: no_dynamic=""
99: image_i=""
100: signals_o="io.o signals.o"
1.183 ! pazsan 101: GCC_LD="\$(GCC)"
1.182 pazsan 102: else
103: echo "defining standalone system (${withval})"
1.168 pazsan 104: AC_DEFINE(STANDALONE,,[Define if you want a Gforth without OS])
1.167 pazsan 105: EC_MODE="true"
1.178 pazsan 106: EC="-ec"
107: engine2=""
108: engine_fast2=""
109: no_dynamic="-DNO_DYNAMIC"
110: image_i="image.i"
1.182 pazsan 111: if test "$withval" != "yes"; then
112: signals_o="io-${withval}.o"
113: else
114: signals_o="io.o"
115: fi
1.183 ! pazsan 116: GCC_PATH=$(which $CC)
! 117: LIB_PATH=${GCC_PATH%/*/*}
! 118: GCC_LD="\$(LD)"
! 119: plattform=${withval}
1.182 pazsan 120: fi])
1.167 pazsan 121:
1.104 anton 122: #variables mentioned in INSTALL
1.123 anton 123: AC_ARG_VAR(CC, [The C compiler (must support GNU C 2.x); gcc-2.95 recommended.])
1.104 anton 124: AC_ARG_VAR(FORTHSIZES, [Gforth command line options for the default stack and dictionary sizes (see INSTALL).])
1.151 anton 125: 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 126: 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)])
127:
1.104 anton 128: AC_ARG_VAR(ac_cv_sizeof_char_p, [sizeof(char *)])
1.183 ! pazsan 129: AC_ARG_VAR(ac_cv_sizeof_void_p, [sizeof(void *)])
1.104 anton 130: AC_ARG_VAR(ac_cv_sizeof_char, [sizeof(char)])
131: AC_ARG_VAR(ac_cv_sizeof_short, [sizeof(short)])
132: AC_ARG_VAR(ac_cv_sizeof_int, [sizeof(int)])
133: AC_ARG_VAR(ac_cv_sizeof_long, [sizeof(long)])
134: AC_ARG_VAR(ac_cv_sizeof_long_long, [sizeof(long long)])
135: AC_ARG_VAR(ac_cv_sizeof_intptr_t, [sizeof(intptr_t)])
136: AC_ARG_VAR(ac_cv_sizeof_int128_t, [sizeof(int128_t)])
1.144 pazsan 137: AC_ARG_VAR(ac_cv_sizeof_uint128_t, [sizeof(uint128_t)])
1.123 anton 138: AC_ARG_VAR(ac_cv_c_bigendian, [Is the target big-endian ("yes" or "no")?])
139: AC_ARG_VAR(no_dynamic_default, [run gforth with --dynamic (0) or --no-dynamic (1) by default])
1.166 anton 140: AC_ARG_VAR(skipcode, [assembly code for skipping 16 bytes of code])
1.174 anton 141: AC_ARG_VAR(asmcomment, [assembler comment start string])
1.175 anton 142: AC_ARG_VAR(arm_cacheflush, [file containing ARM cacheflush function (without .c)])
1.82 anton 143:
1.96 anton 144: #set up feature test macros, so the tests get them right:
145: # turn on all POSIX, SUSv3, and GNU features if available
1.97 anton 146: AC_GNU_SOURCE
147: dnl AC_DEFINE_UNQUOTED([_GNU_SOURCE],1,[feature test macro])
148:
149: dnl Don't define _POSIX_SOURCE etc. because some OSs (in particular
150: dnl MacOSX) disable some features then (MacOSX checks for _POSIX_SOURCE,
151: dnl but not for _XOPEN_SOURCE)
152: dnl AC_DEFINE_UNQUOTED([_POSIX_SOURCE],1,[feature test macro])
153: dnl AC_DEFINE_UNQUOTED([_POSIX_C_SOURCE],199506L,[feature test macro])
154: dnl AC_DEFINE_UNQUOTED([_XOPEN_SOURCE],600,[feature test macro])
1.96 anton 155: # turn on large file support with 64-bit off_t where available
1.105 anton 156: AC_SYS_LARGEFILE
157: dnl AC_DEFINE_UNQUOTED([_LARGEFILE_SOURCE],1,[feature test macro])
158: dnl AC_DEFINE_UNQUOTED([_FILE_OFFSET_BITS],64,[feature test macro])
1.96 anton 159:
1.82 anton 160: #currently we force direct threading this way. Eventually we should
161: #setup in the arch and engine files right
1.16 anton 162:
1.15 pazsan 163: AC_PROG_CC
164:
1.92 anton 165: test "$GCC" = "yes" || AC_MSG_ERROR(Gforth uses GNU C extensions and requires GCC 2.0 or higher)
1.9 pazsan 166:
1.15 pazsan 167: AC_SUBST(CC)
1.183 ! pazsan 168: AC_SUBST(GCC_LD)
1.9 pazsan 169: AC_SUBST(DEBUGFLAG)
1.178 pazsan 170: AC_SUBST(EC)
1.167 pazsan 171: AC_SUBST(EC_MODE)
1.178 pazsan 172: AC_SUBST(engine2)
173: AC_SUBST(engine_fast2)
174: AC_SUBST(no_dynamic)
175: AC_SUBST(image_i)
1.179 pazsan 176: AC_SUBST(signals_o)
1.7 anton 177:
1.174 anton 178: #this is used to disable some (not generally essential) part of the
179: #Makefile that some makes don't grok. It would be better to test for
180: #this specific Makefile feature than the make version.
1.128 pazsan 181: AC_MSG_CHECKING(make type)
1.174 anton 182: make_type=`make -n -v 2>&1|grep 'ake'|sed 's/ake .*/ake/'`
1.128 pazsan 183: GNUMAKE='#'
184: test "$make_type" = "GNU Make" && GNUMAKE=''
185: AC_MSG_RESULT($make_type)
186: AC_SUBST(GNUMAKE)
187:
1.50 jwilke 188: AC_MSG_CHECKING([whether the linker accepts -export-dynamic])
189: OLDLDFLAGS=$LDFLAGS
190: LDFLAGS="$LDFLAGS -export-dynamic"
1.69 anton 191: dnl AC_TRY_LINK gives false positive on rs6000-ibm-aix4.2.1.0
192: dnl AC_TRY_LINK(,,ac_export_dynamic=yes,ac_export_dynamic=no)
193: AC_TRY_RUN(main(){exit(0);},ac_export_dynamic=yes,ac_export_dynamic=no,ac_export_dynamic=no)
1.50 jwilke 194: test $ac_export_dynamic = yes|| LDFLAGS=$OLDLDFLAGS
195: AC_MSG_RESULT($ac_export_dynamic)
196:
1.1 anton 197: #terminology is a bit unusual here: The host is the system on which
198: #gforth will run; the system on which configure will run is the `build'
199: AC_CANONICAL_HOST
200: case "$host_cpu" in
1.136 anton 201: arm*)
202: machine=arm
203: CFLAGS="$CFLAGS -fomit-frame-pointer"
1.183 ! pazsan 204: if test x$plattform = xnxt; then
! 205: CFLAGS="$CFLAGS -mthumb -mthumb-interwork"
! 206: fi
1.175 anton 207: if test -z $arm_cacheflush; then
1.136 anton 208: no_dynamic_default=1
1.175 anton 209: arm_cacheflush=arch/arm/cacheflush0
1.136 anton 210: AC_MSG_WARN([No I-cache flush code known, disabling dynamic native code generation])
211: fi
1.175 anton 212: AC_LIBSOURCES([../arch/arm/cacheflush0, ../arch/arm/cacheflush1, ../arch/arm/cacheflush2])
213: AC_LIBOBJ(../$arm_cacheflush)
1.177 anton 214: #longer skipcodes lead to problems on ARM, and it uses
215: #only 4-byte alignment anyway
216: test "$skipcode" || skipcode="nop"
1.136 anton 217: ;;
1.1 anton 218: hppa*)
1.34 anton 219: machine=hppa
1.46 anton 220: $srcdir/mkinstalldirs arch/hppa
1.87 pazsan 221: AC_LIBOBJ(../arch/hppa/cache)
1.134 anton 222: #-N needed for --dynamic <M4U3b.3790$9d.317@news.cpqcorp.net>
223: LDFLAGS="$LDFLAGS -Xlinker -N"
1.47 anton 224: LIBS="$LIBS -L/lib/pa1.1/"
1.1 anton 225: ;;
226: sparc*)
1.34 anton 227: machine=sparc
1.1 anton 228: ;;
1.31 anton 229: i386)
1.34 anton 230: machine=386
1.16 anton 231: CFLAGS="$CFLAGS -fomit-frame-pointer -fforce-addr -fforce-mem"
1.31 anton 232: ;;
233: i486)
1.34 anton 234: machine=386
1.31 anton 235: CFLAGS="$CFLAGS -fomit-frame-pointer -fforce-addr -fforce-mem -m486"
236: ;;
1.77 anton 237: i*86)
1.34 anton 238: machine=386
1.55 anton 239: CFLAGS="$CFLAGS -fomit-frame-pointer -fforce-addr -fforce-mem"
1.56 pazsan 240: CFLAGS_1="$CFLAGS"
1.87 pazsan 241: CFLAGS="$CFLAGS -march=pentium"
1.56 pazsan 242: AC_TRY_COMPILE(,,,CFLAGS="$CFLAGS_1 -m486")
1.1 anton 243: ;;
1.133 anton 244: x86_64)
245: machine=amd64
246: ;;
1.136 anton 247: ia64*)
248: machine=ia64
249: AC_LIBOBJ(../arch/ia64/flush_icache_block)
250: test "$skipcode" || skipcode="nop.i 0"
251: #".skip 16" passes the test below,
252: # but gives an assembler error in engine
253: ;;
1.26 pazsan 254: m68k)
1.34 anton 255: machine=m68k
1.32 pazsan 256: CFLAGS="$CFLAGS -fomit-frame-pointer"
257: if test "$host_os" = "nextstep3"
258: then
1.87 pazsan 259: AC_LIBOBJ(termios)
1.32 pazsan 260: fi
1.26 pazsan 261: ;;
1.1 anton 262: mips*)
1.34 anton 263: machine=mips
1.92 anton 264: #dynamic native code has the following problems on MIPS:
265: #
266: #1) J/JAL seems relocatable, but is are only
267: #relocatable within a 256MB-segment. While we try to
268: #get the linker to arrange this, there is no guarantee
269: #that this will succeed (and if the user uses a lot of
270: #memory, it is likely to fail).
271: #
272: #2) The way we generate dynamic native code may
273: #violate MIPS architectural restrictions (in
274: #particular, the delay slots of LW, MFLO, etc.)
275: #
276: #Therefore we disable dynamic native code by default:
1.136 anton 277: if test -z $no_dynamic_default; then
278: no_dynamic_default=1
279: AC_MSG_WARN([Disabling default dynamic native code generation (relocation and delay slot issues)])
280: fi
1.1 anton 281: ;;
1.9 pazsan 282: alpha*)
1.34 anton 283: machine=alpha
1.58 anton 284: #full IEEE FP support for more uniformity across platforms:
285: CFLAGS="$CFLAGS -mieee"
1.9 pazsan 286: ;;
1.69 anton 287: power*|rs6000)
1.34 anton 288: machine=power
1.46 anton 289: $srcdir/mkinstalldirs arch/power
1.138 anton 290: AC_CHECK_FUNC(_sync_cache_range,[true],[AC_LIBOBJ(../arch/power/_sync_cache_range)])
1.103 anton 291: #long long is broken on (at least) gcc-2.95.* for PPC
1.165 anton 292: test x$ac_cv_sizeof_long_long = x &&
293: ($CC -v 2>&1 |grep -q 'gcc version 2.95') &&
294: ac_cv_sizeof_long_long=0
1.31 anton 295: ;;
1.1 anton 296: *)
1.92 anton 297: AC_MSG_WARN([Using a generic machine description])
298: AC_MSG_WARN([Assuming C floats and doubles are IEEE floats and doubles (for SF@ DF@ SF! DF!)])
299: AC_MSG_WARN([FLUSH-ICACHE will do nothing, so END-CODE may not work properly!])
1.34 anton 300: machine=generic
1.97 anton 301: #I-cache flushing would be needed for dynamic code generation
1.136 anton 302: if test -z $no_dynamic_default; then
303: no_dynamic_default=1
304: AC_MSG_WARN([No I-cache flush code known, disabling dynamic native code generation])
305: fi
1.1 anton 306: esac
1.10 anton 307: AC_SUBST(host)
1.151 anton 308:
1.183 ! pazsan 309: echo "Check for arch/$machine/$plattform/gforth.ld ($EC_MODE)"
! 310: if test x$EC_MODE = xtrue
! 311: then
! 312: echo "Check for arch/$machine/$plattform/gforth.ld"
! 313: if test -f arch/$machine/$plattform/gforth.ld
! 314: then
! 315: LDFLAGS="-T ../arch/$machine/$plattform/gforth.ld -Map \$@.map -cref --gc-sections $LDFLAGS"
! 316: if test x$plattform = xnxt; then
! 317: 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 $LIBS"
! 318: fi
! 319: fi
! 320: fi
! 321:
1.151 anton 322: test x$STACK_CACHE_DEFAULT_FAST = x && STACK_CACHE_DEFAULT_FAST=1
323: AC_DEFINE_UNQUOTED(STACK_CACHE_DEFAULT_FAST, $STACK_CACHE_DEFAULT_FAST,
324: [number of registers in the default stack cache state for gforth-fast and gforth-native])
1.146 pazsan 325:
1.173 anton 326: test x$GCC_PR15242_WORKAROUND = x ||
327: AC_DEFINE_UNQUOTED(GCC_PR15242_WORKAROUND, $GCC_PR15242_WORKAROUND,
328: [force (1) or forbid (0) use of a workaround for a gcc performance bug])
329:
330: dnl AC_DEFINE(GCC_PR15242_WORKAROUND,,[Define if you want to get dynamic code
331: dnl generation on gccs affected by PR15242])
332:
333:
1.146 pazsan 334: if test "${enable_force_ll+set}" = set; then
335: ac_includes_default="$ac_includes_default
336: #include \"arch/generic/128bit.h\""
337: fi
1.103 anton 338:
339: dnl the following macro produces a warning with autoconf-2.1
340: AC_CHECK_SIZEOF(char *)
341: case "$ac_cv_sizeof_char_p" in
342: 2)
343: wordsize=16
344: ;;
345: 4)
346: wordsize=32
347: ;;
348: 8)
349: wordsize=64
350: ;;
351: esac
352:
1.183 ! pazsan 353: AC_CHECK_SIZEOF(void *)
! 354: case "$ac_cv_sizeof_void_p" in
! 355: 2)
! 356: vwordsize=16
! 357: ;;
! 358: 4)
! 359: vwordsize=32
! 360: ;;
! 361: 8)
! 362: vwordsize=64
! 363: ;;
! 364: esac
! 365:
1.103 anton 366: AC_CHECK_SIZEOF(char)
367: AC_CHECK_SIZEOF(short)
368: AC_CHECK_SIZEOF(int)
369: AC_CHECK_SIZEOF(long)
370: AC_CHECK_SIZEOF(long long)
371: AC_CHECK_SIZEOF(intptr_t)
372: AC_CHECK_SIZEOF(int128_t)
1.144 pazsan 373: AC_CHECK_SIZEOF(uint128_t)
1.103 anton 374:
375: AC_MSG_CHECKING([for a C type for cells])
376: ac_cv_int_type_cell=none
377: case "$ac_cv_sizeof_char_p" in
378: $ac_cv_sizeof_int)
379: ac_cv_int_type_cell=int
380: ;;
381: $ac_cv_sizeof_short)
382: ac_cv_int_type_cell=short
383: ;;
384: $ac_cv_sizeof_char)
385: ac_cv_int_type_cell=char
386: ;;
387: $ac_cv_sizeof_long)
388: ac_cv_int_type_cell=long
389: ;;
390: $ac_cv_sizeof_long_long)
391: ac_cv_int_type_cell="long long"
392: ;;
393: $ac_cv_sizeof_intptr_t)
394: ac_cv_int_type_cell="intptr_t"
395: ;;
396: $ac_cv_sizeof_int128_t)
397: ac_cv_int_type_cell="int128_t"
398: ;;
399: esac
400: AC_MSG_RESULT($ac_cv_int_type_cell)
401: AC_DEFINE_UNQUOTED(CELL_TYPE,$ac_cv_int_type_cell,[an integer type that is as long as a pointer])
402:
1.153 pazsan 403: AC_MSG_CHECKING([for a C type for wydes])
404: ac_cv_wyde_type_cell=none
405: case 2 in
406: $ac_cv_sizeof_int)
407: ac_cv_wyde_type_cell=int
408: ;;
409: $ac_cv_sizeof_short)
410: ac_cv_wyde_type_cell=short
411: ;;
412: $ac_cv_sizeof_char)
413: ac_cv_wyde_type_cell=char
414: ;;
415: $ac_cv_sizeof_long)
416: ac_cv_wyde_type_cell=long
417: ;;
418: $ac_cv_sizeof_long_long)
419: ac_cv_wyde_type_cell="long long"
420: ;;
421: $ac_cv_sizeof_intptr_t)
422: ac_cv_wyde_type_cell="intptr_t"
423: ;;
424: $ac_cv_sizeof_int128_t)
425: ac_cv_wyde_type_cell="int128_t"
426: ;;
427: esac
428: AC_MSG_RESULT($ac_cv_wyde_type_cell)
429: AC_DEFINE_UNQUOTED(WYDE_TYPE,$ac_cv_wyde_type_cell,[an integer type that is 2 bytes long])
430:
431: AC_MSG_CHECKING([for a C type for tetrabytes])
432: ac_cv_tetrabyte_type_cell=none
433: case 4 in
434: $ac_cv_sizeof_int)
435: ac_cv_tetrabyte_type_cell=int
436: ;;
437: $ac_cv_sizeof_short)
438: ac_cv_tetrabyte_type_cell=short
439: ;;
440: $ac_cv_sizeof_char)
441: ac_cv_tetrabyte_type_cell=char
442: ;;
443: $ac_cv_sizeof_long)
444: ac_cv_tetrabyte_type_cell=long
445: ;;
446: $ac_cv_sizeof_long_long)
447: ac_cv_tetrabyte_type_cell="long long"
448: ;;
449: $ac_cv_sizeof_intptr_t)
450: ac_cv_tetrabyte_type_cell="intptr_t"
451: ;;
452: $ac_cv_sizeof_int128_t)
453: ac_cv_tetrabyte_type_cell="int128_t"
454: ;;
455: esac
456: AC_MSG_RESULT($ac_cv_tetrabyte_type_cell)
457: AC_DEFINE_UNQUOTED(TETRABYTE_TYPE,$ac_cv_tetrabyte_type_cell,[an integer type that is 4 bytes long])
458:
1.103 anton 459: AC_MSG_CHECKING([for a C type for double-cells])
460: ac_cv_int_type_double_cell=none
461: case `expr 2 '*' "$ac_cv_sizeof_char_p"` in
462: $ac_cv_sizeof_short)
463: ac_cv_int_type_double_cell=short
464: ;;
465: $ac_cv_sizeof_int)
466: ac_cv_int_type_double_cell=int
467: ;;
468: $ac_cv_sizeof_long)
469: ac_cv_int_type_double_cell=long
470: ;;
471: $ac_cv_sizeof_long_long)
472: ac_cv_int_type_double_cell="long long"
473: ;;
474: $ac_cv_sizeof_intptr_t)
475: ac_cv_int_type_double_cell="intptr_t"
476: ;;
477: $ac_cv_sizeof_int128_t)
478: ac_cv_int_type_double_cell="int128_t"
479: ;;
480: esac
481: AC_MSG_RESULT($ac_cv_int_type_double_cell)
1.144 pazsan 482:
483: AC_MSG_CHECKING([for a C type for unsigned double-cells])
484: ac_cv_int_type_double_ucell=none
485: case `expr 2 '*' "$ac_cv_sizeof_char_p"` in
486: $ac_cv_sizeof_short)
487: ac_cv_int_type_double_ucell="unsigned short"
488: ;;
489: $ac_cv_sizeof_int)
490: ac_cv_int_type_double_ucell="unsigned int"
491: ;;
492: $ac_cv_sizeof_long)
493: ac_cv_int_type_double_ucell="unsigned long"
494: ;;
495: $ac_cv_sizeof_long_long)
496: ac_cv_int_type_double_ucell="unsigned long long"
497: ;;
498: $ac_cv_sizeof_intptr_t)
499: ac_cv_int_type_double_ucell="unsigned intptr_t"
500: ;;
501: $ac_cv_sizeof_uint128_t)
502: ac_cv_int_type_double_ucell="uint128_t"
503: ;;
504: esac
505: AC_MSG_RESULT($ac_cv_int_type_double_ucell)
506:
507: if test "$ac_cv_int_type_double_cell" = none || \
508: test "$ac_cv_int_type_double_ucell" = none
509: then
1.103 anton 510: AC_MSG_WARN([Emulating double-cell arithmetic. This may be slow.])
511: AC_LIBOBJ(dblsub)
512: AC_DEFINE(BUGGY_LONG_LONG,,[define this if there is no working DOUBLE_CELL_TYPE on your machine])
513: else
514: AC_DEFINE_UNQUOTED(DOUBLE_CELL_TYPE,$ac_cv_int_type_double_cell,[an integer type that is twice as long as a pointer])
1.144 pazsan 515: AC_DEFINE_UNQUOTED(DOUBLE_UCELL_TYPE,$ac_cv_int_type_double_ucell,[an unsigned integer type that is twice as long as a pointer])
1.103 anton 516: fi
517:
518: AC_TYPE_OFF_T
519: AC_CHECK_SIZEOF(off_t)
520: test $ac_cv_sizeof_off_t -gt $ac_cv_sizeof_char_p
521: ac_small_off_t=$?
522: AC_DEFINE_UNQUOTED(SMALL_OFF_T,$ac_small_off_t,[1 if off_t fits in a Cell])
1.1 anton 523:
1.109 anton 524: ENGINE_FLAGS=
525: AC_SUBST(ENGINE_FLAGS)
526:
527: # Try if GCC understands -fno-gcse
528:
529: AC_MSG_CHECKING([if $CC understands -fno-gcse])
530: CFLAGS_1="$CFLAGS"
531: CFLAGS="$CFLAGS -fno-gcse"
532: AC_TRY_COMPILE(,,ac_nogcse=yes;ENGINE_FLAGS="$ENGINE_FLAGS -fno-gcse",ac_nogcse=no)
533: CFLAGS="$CFLAGS_1"
534: AC_MSG_RESULT($ac_nogcse)
535:
536: # Try if GCC understands -fno-strict-aliasing
537: AC_MSG_CHECKING([if $CC understands -fno-strict-aliasing])
538: CFLAGS_1="$CFLAGS"
539: CFLAGS="$CFLAGS -fno-strict-aliasing"
540: AC_TRY_COMPILE(,,ac_nostrictaliasing=yes;ENGINE_FLAGS="$ENGINE_FLAGS -fno-strict-aliasing",ac_nostrictaliasing=no)
541: CFLAGS="$CFLAGS_1"
542: AC_MSG_RESULT($ac_nostrictaliasing)
543:
1.123 anton 544: # Try if GCC understands -fno-crossjumping
545: AC_MSG_CHECKING([if $CC understands -fno-crossjumping])
1.88 pazsan 546: CFLAGS_1="$CFLAGS"
1.123 anton 547: CFLAGS="$CFLAGS -fno-crossjumping"
1.125 anton 548: AC_TRY_COMPILE(,,ac_nocrossjumping=yes;ENGINE_FLAGS="$ENGINE_FLAGS -fno-crossjumping",ac_nocrossjumping=no)
1.109 anton 549: CFLAGS="$CFLAGS_1"
1.124 pazsan 550: AC_MSG_RESULT($ac_nocrossjumping)
1.88 pazsan 551:
1.137 pazsan 552: # Try if GCC understands -fno-reorder-blocks
553: AC_MSG_CHECKING([if $CC understands -fno-reorder-blocks])
554: CFLAGS_1="$CFLAGS"
555: CFLAGS="$CFLAGS -fno-reorder-blocks"
556: AC_TRY_COMPILE(,,ac_noreorder_blocks=yes;ENGINE_FLAGS="$ENGINE_FLAGS -fno-reorder-blocks",ac_noreorder_blocks=no)
557: CFLAGS="$CFLAGS_1"
558: AC_MSG_RESULT($ac_noreorder_blocks)
559:
1.130 anton 560: # Try if GCC understands __attribute__((unused))
561: AC_MSG_CHECKING([how to suppress 'unused variable' warnings])
562: AC_TRY_COMPILE(,[int __attribute__((unused)) foo;], MAYBE_UNUSED='__attribute__((unused))',)
563: AC_DEFINE_UNQUOTED(MAYBE_UNUSED,$MAYBE_UNUSED,[attribute for possibly unused variables])
564: AC_MSG_RESULT($MAYBE_UNUSED)
565:
1.66 anton 566: AC_CHECK_PROG(asm_fs,asm.fs,arch/$machine/asm.fs,,$srcdir/arch/$machine)
1.61 anton 567: AC_SUBST(asm_fs)
568:
1.66 anton 569: AC_CHECK_PROG(disasm_fs,disasm.fs,arch/$machine/disasm.fs,,$srcdir/arch/$machine)
1.61 anton 570: AC_SUBST(disasm_fs)
571:
1.116 anton 572: AC_PATH_PROG(INSTALL_INFO,install-info,[echo '>>>>Please make info dir entry:'],$PATH:/sbin:/usr/sbin:/usr/local/sbin)
1.114 anton 573:
1.39 pazsan 574: case "$host_os" in
1.157 pazsan 575: *win32*)
576: # !!!FIXME!!! problems with cygwin and ';' as path separator
1.108 anton 577: DIRSEP="\\\\"
1.127 anton 578: PATHSEP=";"
1.142 anton 579: #we want the builtins of command.com/cmd.exe and its
580: # handling of .com files.
581: #$COMSPEC contains the name of the Windows shell;
582: # the ./ is there, because the bash does not recognize
583: # absolute DOS filenames
584: DEFAULTSYSTEMPREFIX="./$COMSPEC /c "
1.39 pazsan 585: ;;
1.97 anton 586: *darwin*)
587: #Darwin uses some funny preprocessor by default; eliminate it:
1.127 anton 588: AC_MSG_NOTICE([using -no-cpp-precomp on Darwin])
1.120 anton 589: CFLAGS="$CFLAGS -no-cpp-precomp"
1.98 anton 590: DIRSEP="/"
1.127 anton 591: PATHSEP=":"
1.141 anton 592: DEFAULTSYSTEMPREFIX=""
1.98 anton 593: ;;
1.39 pazsan 594: *)
1.88 pazsan 595: DIRSEP="/"
1.127 anton 596: PATHSEP=":"
1.141 anton 597: DEFAULTSYSTEMPREFIX=""
1.39 pazsan 598: ;;
599: esac
1.88 pazsan 600: AC_SUBST(DIRSEP)
1.89 pazsan 601: AC_DEFINE_UNQUOTED(DIRSEP,'$DIRSEP',[a directory separator character])
1.127 anton 602: AC_SUBST(PATHSEP)
603: AC_DEFINE_UNQUOTED(PATHSEP,'$PATHSEP',[a path separator character])
1.141 anton 604: AC_SUBST(DEFAULTSYSTEMPREFIX)
605: AC_DEFINE_UNQUOTED(DEFAULTSYSTEMPREFIX,"$DEFAULTSYSTEMPREFIX",[default for environment variable GFORTHSYSTEMPREFIX])
1.39 pazsan 606:
1.170 anton 607: #work around SELinux brain damage (from Andrew Haley <12t8f3jakb74g2c@news.supernews.com>)
1.172 anton 608: #This magic incantation seems to be completely undocumented.
609: AC_CHECK_PROG([MASSAGE_EXE],[chcon],[chcon -t unconfined_execmem_exec_t],[true])
1.170 anton 610:
1.1 anton 611: dnl Now a little support for DOS/DJGCC
1.30 pazsan 612: AC_SUBST(GFORTH_EXE)
1.172 anton 613: GFORTH_EXE=""
1.48 anton 614: AC_SUBST(GFORTHFAST_EXE)
1.172 anton 615: GFORTHFAST_EXE=""
1.83 anton 616: AC_SUBST(GFORTHITC_EXE)
617: GFORTHITC_EXE=""
1.30 pazsan 618: AC_SUBST(GFORTHDITC_EXE)
619: GFORTHDITC_EXE=""
1.27 anton 620:
621: AC_SUBST(FORTHSIZES)
1.24 anton 622:
1.104 anton 623: dnl if test "$PEEPHOLE" = "yes"
624: dnl then
625: dnl PEEPHOLEFLAG="true"
626: dnl AC_DEFINE(HAS_PEEPHOLE,,[Define if you want to use peephole optimization])
627: dnl else
628: dnl PEEPHOLEFLAG="false"
629: dnl fi
630: PEEPHOLEFLAG="true"
1.79 pazsan 631: AC_SUBST(PEEPHOLEFLAG)
632:
1.1 anton 633: dnl copy commands for systems that don't have links
1.29 pazsan 634: AC_SUBST(LINK_KERNL)
635: LINK_KERNL=""
1.1 anton 636:
637: #if test $host_os=dos
638: #then
639: # echo Configuring for DOS!!!
640: # MAKE_EXE="coff2exe gforth"
1.29 pazsan 641: # LINK_KERNL='$(CP) kernl32l.fi kernel.fi'
1.1 anton 642: #fi
643:
644: dnl the following macro produces a warning with autoconf-2.1
645: AC_C_BIGENDIAN
1.23 pazsan 646: AC_SUBST(KERNEL)
1.1 anton 647: dnl ac_cv_c_bigendian is an undocumented variable of autoconf-2.1
648: if test $ac_cv_c_bigendian = yes; then
649: bytesex=b
1.23 pazsan 650: KERNEL="kernl16b.fi kernl16l.fi kernl32b.fi kernl32l.fi kernl64b.fi kernl64l.fi"
1.1 anton 651: else
652: bytesex=l
1.23 pazsan 653: KERNEL="kernl16l.fi kernl16b.fi kernl32l.fi kernl32b.fi kernl64l.fi kernl64b.fi"
1.1 anton 654: fi
655:
1.91 anton 656: #check how to do asm(".skip 16")
1.169 anton 657: #echo "CFLAGS=$CFLAGS"
658: #echo "ac_link=$ac_link"
1.92 anton 659: AC_MSG_CHECKING([if and how we can waste code space])
1.136 anton 660: if test -z "$skipcode"; then
1.148 anton 661: skipcode=no
662: CFLAGS_1="$CFLAGS"
663: CFLAGS="$CFLAGS $ENGINE_FLAGS"
1.136 anton 664: for i in ".skip 16" ".block 16" ".org .+16" ".=.+16" ".space 16"
665: do
1.91 anton 666: AC_TRY_RUN(
1.136 anton 667: [int foo(int,int,int);
1.91 anton 668: main()
669: {
1.136 anton 670: exit(foo(0,0,0)!=16);
1.91 anton 671: }
1.136 anton 672: int foo(int x, int y, int z)
1.91 anton 673: {
1.136 anton 674: static void *labels[]={&&label1, &&label2};
1.91 anton 675: if (x) {
1.136 anton 676: y++; /* workaround for http://gcc.gnu.org/bugzilla/show_bug.cgi?id=12108 */
1.91 anton 677: label1:
1.148 anton 678: asm("$i"); /* or ".space 16" or somesuch */
1.136 anton 679: label2: ;
680: }
681: {
682: if (y) goto *labels[z]; /* workaround for gcc PR12108 */
683: return labels[1]-labels[0];
1.91 anton 684: }
1.136 anton 685: }]
1.92 anton 686: ,skipcode=$i; break
687: ,,)
1.136 anton 688: done
1.148 anton 689: CFLAGS=$CFLAGS_1
1.136 anton 690: fi
1.92 anton 691: AC_MSG_RESULT($skipcode)
692: if test "$skipcode" = no
693: then
1.136 anton 694: if test -z $no_dynamic_default; then
695: no_dynamic_default=1
696: AC_MSG_WARN(Disabling default dynamic native code generation)
697: fi
1.92 anton 698: AC_DEFINE_UNQUOTED(SKIP16,((void)0),statement for skipping 16 bytes)
699: else
700: AC_DEFINE_UNQUOTED(SKIP16,asm("$skipcode"),statement for skipping 16 bytes)
701: fi
1.91 anton 702:
1.174 anton 703: AC_MSG_CHECKING([if and how we can do comments in asm statements])
704: #the point here is to get asm statements that look different to
705: #gcc's "optimizer"
706: if test -z "$asmcomment"; then
707: asmcomment=no
708: CFLAGS_1="$CFLAGS"
709: CFLAGS="$CFLAGS $ENGINE_FLAGS"
1.176 anton 710: for i in '"# "' '"! "' '"; "'; do
1.174 anton 711: AC_TRY_COMPILE(,[asm($i"fluffystunk");],asmcomment=$i; break,)
712: done
713: CFLAGS=$CFLAGS_1
714: fi
715: AC_MSG_RESULT($asmcomment)
716: if test "$asmcomment" != no
717: then
718: AC_DEFINE_UNQUOTED(ASMCOMMENT,$asmcomment,[assembler comment start string])
719: fi
720:
1.136 anton 721: test "$no_dynamic_default" || no_dynamic_default=0
1.92 anton 722: AC_DEFINE_UNQUOTED(NO_DYNAMIC_DEFAULT,$no_dynamic_default,default value for no_dynamic)
1.91 anton 723:
1.1 anton 724: dnl Checks for programs.
725: AC_PROG_LN_S
1.95 anton 726: AC_PROG_INSTALL
1.163 pazsan 727: AC_CHECK_PROGS(TEXI2DVI,texi2dvi4a2ps texi2dvi)
1.1 anton 728:
729: dnl Checks for library functions
1.2 anton 730: dnl This check is just for making later checks link with libm.
731: dnl using sin here is no good idea since it is built-into gcc and typechecked
732: AC_CHECK_LIB(m,asin)
1.31 anton 733: AC_CHECK_LIB(dl,dlopen)
1.152 pazsan 734: dnl check for libffi 2.x
735: AC_CHECK_LIB(ffi,ffi_call)
736: if test $ac_cv_lib_ffi_ffi_call = yes
737: then
738: LIBFFIFLAG="true"
739: FFCALLFLAG="false"
740: OLDCALLFLAG="false"
741: AC_DEFINE(HAS_LIBFFI,,[define this if you want to use the ffcall interface with libffi 2.0])
742: else
1.124 pazsan 743: dnl check for ffcall libraries
744: dnl unfortunately, these four calls are separated out into a library each.
745: AC_CHECK_LIB(avcall,__builtin_avcall)
746: AC_CHECK_LIB(callback,__vacall_r)
747: AC_CHECK_LIB(vacall,vacall)
748: AC_CHECK_LIB(trampoline,alloc_trampoline)
1.152 pazsan 749: LIBFFIFLAG="false"
1.125 anton 750: FFCALLFLAG="false"
1.129 pazsan 751: OLDCALLFLAG="true"
752: 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])
753: test $ac_cv_lib_avcall___builtin_avcall = no && AC_DEFINE(HAS_OLDCALL,,[define this if you want to use the old call libraries])
1.152 pazsan 754: fi
755: AC_SUBST(LIBFFIFLAG)
1.125 anton 756: AC_SUBST(FFCALLFLAG)
1.129 pazsan 757: AC_SUBST(OLDCALLFLAG)
1.32 pazsan 758: if test "$host_os" != "nextstep3"
759: then
760: AC_FUNC_MEMCMP
761: fi
1.25 pazsan 762: AC_REPLACE_FUNCS(memmove strtoul pow10 strerror strsignal atanh)
1.97 anton 763: AC_FUNC_FSEEKO
764: AC_CHECK_FUNCS(ftello dlopen sys_siglist getrusage)
1.111 anton 765: AC_CHECK_TYPES(stack_t,,,[#include <signal.h>])
1.19 anton 766: AC_DECL_SYS_SIGLIST
1.138 anton 767: AC_CHECK_FUNC(getopt_long,[true],[AC_LIBOBJ(getopt) AC_LIBOBJ(getopt1)])
1.90 anton 768: AC_CHECK_FUNCS(expm1 log1p)
769: AC_REPLACE_FUNCS(rint ecvt)
1.1 anton 770: dnl No check for select, because our replacement is no good under
771: dnl anything but DOS
1.62 anton 772: AC_CHECK_HEADERS(sys/mman.h fnmatch.h)
1.63 anton 773: AC_FUNC_FNMATCH
1.87 pazsan 774: test $ac_cv_func_fnmatch_works = yes || AC_LIBOBJ(fnmatch)
1.28 anton 775: AC_CHECK_FUNCS(mmap sysconf getpagesize)
1.34 anton 776: AM_PATH_LISPDIR
1.1 anton 777:
1.183 ! pazsan 778: kernel_fi=kernl${vwordsize}${bytesex}.fi
1.178 pazsan 779: include_fi=kernl${wordsize}${bytesex}${EC}.fi
1.23 pazsan 780: AC_SUBST(kernel_fi)
1.178 pazsan 781: AC_SUBST(include_fi)
1.50 jwilke 782:
1.76 anton 783: #this breaks bindists
784: #dnl replace srource directory by absolute value
785: #if test $srcdir = "."; then srcdir=`pwd`
786: #fi
1.8 anton 787:
1.34 anton 788: AC_SUBST(machine)
1.95 anton 789: AC_CONFIG_FILES([
1.31 anton 790: Makefile
1.45 pazsan 791: Makedist
1.43 anton 792: gforthmi
1.80 anton 793: vmgen
1.79 pazsan 794: machpc.fs
1.159 pazsan 795: envos.fs
1.35 anton 796: engine/Makefile
1.161 pazsan 797: doc/version.texi
798: build-ec ])
1.95 anton 799: AC_CONFIG_COMMANDS([stamp-h],[[echo timestamp > stamp-h
1.43 anton 800: chmod +x gforthmi
1.80 anton 801: chmod +x vmgen
1.162 pazsan 802: chmod +x build-ec
1.95 anton 803: test -d kernel||mkdir kernel]],[[]])
804: AC_OUTPUT
1.44 anton 805:
FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>