[gforth] / gforth / configure.in  

gforth: gforth/configure.in


1 : anton 1.1 dnl Process this file with autoconf to produce a configure script.
2 : anton 1.20
3 : pazsan 1.160 #Copyright (C) 1995,1996,1997,1998,2000,2003,2004,2005,2006 Free Software Foundation, Inc.
4 : anton 1.20
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
19 : anton 1.74 #Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA.
20 : anton 1.20
21 : anton 1.121
22 : anton 1.34 dnl We use some automake macros here,
23 :     dnl but don't use automake for creating Makefile.in
24 : pazsan 1.164 AC_INIT([gforth],[0.6.2-20060527],[https://savannah.gnu.org/bugs/?func=addbug&group=gforth])
25 : anton 1.113 AC_PREREQ(2.54)
26 : anton 1.47 #snapshots have numbers major.minor.release-YYYYMMDD
27 : anton 1.92 #note that lexicographic ordering must be heeded.
28 : anton 1.47 #I.e., 0.4.1-YYYYMMDD must not exist before 0.4.1!
29 : pazsan 1.160 UPDATED="April 09, 2006"
30 : anton 1.84 AC_SUBST(UPDATED)
31 : anton 1.94 AC_CONFIG_HEADERS(engine/config.h)
32 : anton 1.14
33 : anton 1.121 #suppress the "-g -O2" default
34 :     test "$CFLAGS" || CFLAGS=-O2
35 :    
36 : anton 1.1 AC_ARG_ENABLE(force-reg,
37 : anton 1.149 AC_HELP_STRING([--enable-force-reg],
38 :     [ Use explicit register declarations if they appear in
39 : anton 1.1 the machine.h file. This can cause a good speedup,
40 :     but also incorrect code with some gcc versions on
41 : anton 1.149 some processors (default disabled).]),
42 :     ,enable_force_reg=no)
43 :     test "$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 :    
46 : pazsan 1.145 AC_ARG_ENABLE(force-ll,
47 : anton 1.149 AC_HELP_STRING([--enable-force-ll],
48 :     [ Use explicit long long declarations if they appear in
49 : pazsan 1.145 the machine.h file. This can cause a good speedup,
50 :     but also incorrect code with some gcc versions on
51 : anton 1.149 some processors (default disabled).]),
52 :     ,enable_force_ll=no)
53 :     test "$enable_force_ll" = "no"||
54 :     AC_DEFINE(FORCE_LL,,[Define if you want to use explicit long long declarations for better performance (does not work with all GCC versions on all machines)])
55 : anton 1.147
56 : pazsan 1.150 AC_ARG_ENABLE(force-cdiv,
57 :     AC_HELP_STRING([--enable-force-cdiv],
58 :     [ Use the native C division - symmetric - instead of
59 :     floored division (default disabled).]),
60 :     ,enable_force_cdiv=no)
61 :     test "$enable_force_cdiv" = "no"||
62 :     AC_DEFINE(FORCE_CDIV,,[Define if you want to use explicit symmetric division for better performance])
63 :    
64 : anton 1.149 AC_SUBST(PROFEXES)
65 :     AC_SUBST(PROFOBJS)
66 : anton 1.135 AC_ARG_ENABLE(prof,
67 : anton 1.149 AC_HELP_STRING([--enable-prof],
68 :     [ Build gforth-prof, which outputs frequently occuring
69 :     sequences of primitives.]),
70 :     ,enable_prof=no)
71 :     if test "$enable_prof" = "no"; then
72 :     PROFEXES="gforth-prof\$(EXE)"; PROFOBJS="engine-prof.o main-prof.o profile.o"
73 :     fi
74 : anton 1.1
75 : pazsan 1.9 AC_ARG_WITH(debug,
76 : pazsan 1.122 [ --with-debug specifies option -g to compile with debug info
77 :     --without-debug omits the -g switch and creates smaller images on
78 :     machines where "strip" has problems with gcc style
79 :     debugging informations.],
80 : pazsan 1.9 if test "$withval" = "yes"; then DEBUGFLAG=-g; fi)
81 : pazsan 1.122
82 : anton 1.104 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="$withval")
88 :    
89 : pazsan 1.167 AC_ARG_ENABLE(ec,
90 :     AC_HELP_STRING([--enable-ec],
91 : pazsan 1.168 [ Build gforth for systems without OS.]),
92 : pazsan 1.167 ,enable_ec=no)
93 :     if test "$enable_ec" = "yes"; then
94 : pazsan 1.168 echo "defining standalone system"
95 :     AC_DEFINE(STANDALONE,,[Define if you want a Gforth without OS])
96 : pazsan 1.167 EC_MODE="true"
97 : pazsan 1.178 EC="-ec"
98 :     engine2=""
99 :     engine_fast2=""
100 :     no_dynamic="-DNO_DYNAMIC"
101 :     image_i="image.i"
102 : pazsan 1.179 signals_o=""
103 : pazsan 1.167 else
104 : pazsan 1.168 echo "defining hosted system"
105 : pazsan 1.167 EC_MODE="false"
106 : pazsan 1.178 EC=""
107 :     engine2="engine2.o"
108 :     engine_fast2="engine-fast2.o"
109 :     no_dynamic=""
110 :     image_i=""
111 : pazsan 1.179 signals_o="signals.o"
112 : pazsan 1.167 fi
113 :    
114 : anton 1.104 #variables mentioned in INSTALL
115 : anton 1.123 AC_ARG_VAR(CC, [The C compiler (must support GNU C 2.x); gcc-2.95 recommended.])
116 : anton 1.104 AC_ARG_VAR(FORTHSIZES, [Gforth command line options for the default stack and dictionary sizes (see INSTALL).])
117 : anton 1.151 AC_ARG_VAR(STACK_CACHE_DEFAULT_FAST, [number of registers in the default stack cache state for gforth-fast and gforth-native (default 1).])
118 : anton 1.173 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)])
119 :    
120 : anton 1.104 AC_ARG_VAR(ac_cv_sizeof_char_p, [sizeof(char *)])
121 :     AC_ARG_VAR(ac_cv_sizeof_char, [sizeof(char)])
122 :     AC_ARG_VAR(ac_cv_sizeof_short, [sizeof(short)])
123 :     AC_ARG_VAR(ac_cv_sizeof_int, [sizeof(int)])
124 :     AC_ARG_VAR(ac_cv_sizeof_long, [sizeof(long)])
125 :     AC_ARG_VAR(ac_cv_sizeof_long_long, [sizeof(long long)])
126 :     AC_ARG_VAR(ac_cv_sizeof_intptr_t, [sizeof(intptr_t)])
127 :     AC_ARG_VAR(ac_cv_sizeof_int128_t, [sizeof(int128_t)])
128 : pazsan 1.144 AC_ARG_VAR(ac_cv_sizeof_uint128_t, [sizeof(uint128_t)])
129 : anton 1.123 AC_ARG_VAR(ac_cv_c_bigendian, [Is the target big-endian ("yes" or "no")?])
130 :     AC_ARG_VAR(no_dynamic_default, [run gforth with --dynamic (0) or --no-dynamic (1) by default])
131 : anton 1.166 AC_ARG_VAR(skipcode, [assembly code for skipping 16 bytes of code])
132 : anton 1.174 AC_ARG_VAR(asmcomment, [assembler comment start string])
133 : anton 1.175 AC_ARG_VAR(arm_cacheflush, [file containing ARM cacheflush function (without .c)])
134 : anton 1.82
135 : anton 1.96 #set up feature test macros, so the tests get them right:
136 :     # turn on all POSIX, SUSv3, and GNU features if available
137 : anton 1.97 AC_GNU_SOURCE
138 :     dnl AC_DEFINE_UNQUOTED([_GNU_SOURCE],1,[feature test macro])
139 :    
140 :     dnl Don't define _POSIX_SOURCE etc. because some OSs (in particular
141 :     dnl MacOSX) disable some features then (MacOSX checks for _POSIX_SOURCE,
142 :     dnl but not for _XOPEN_SOURCE)
143 :     dnl AC_DEFINE_UNQUOTED([_POSIX_SOURCE],1,[feature test macro])
144 :     dnl AC_DEFINE_UNQUOTED([_POSIX_C_SOURCE],199506L,[feature test macro])
145 :     dnl AC_DEFINE_UNQUOTED([_XOPEN_SOURCE],600,[feature test macro])
146 : anton 1.96 # turn on large file support with 64-bit off_t where available
147 : anton 1.105 AC_SYS_LARGEFILE
148 :     dnl AC_DEFINE_UNQUOTED([_LARGEFILE_SOURCE],1,[feature test macro])
149 :     dnl AC_DEFINE_UNQUOTED([_FILE_OFFSET_BITS],64,[feature test macro])
150 : anton 1.96
151 : anton 1.82 #currently we force direct threading this way. Eventually we should
152 :     #setup in the arch and engine files right
153 : anton 1.16
154 : pazsan 1.15 AC_PROG_CC
155 :    
156 : anton 1.92 test "$GCC" = "yes" || AC_MSG_ERROR(Gforth uses GNU C extensions and requires GCC 2.0 or higher)
157 : pazsan 1.9
158 : pazsan 1.15 AC_SUBST(CC)
159 : pazsan 1.9 AC_SUBST(DEBUGFLAG)
160 : pazsan 1.178 AC_SUBST(EC)
161 : pazsan 1.167 AC_SUBST(EC_MODE)
162 : pazsan 1.178 AC_SUBST(engine2)
163 :     AC_SUBST(engine_fast2)
164 :     AC_SUBST(no_dynamic)
165 :     AC_SUBST(image_i)
166 : pazsan 1.179 AC_SUBST(signals_o)
167 : anton 1.7
168 : anton 1.174 #this is used to disable some (not generally essential) part of the
169 :     #Makefile that some makes don't grok. It would be better to test for
170 :     #this specific Makefile feature than the make version.
171 : pazsan 1.128 AC_MSG_CHECKING(make type)
172 : anton 1.174 make_type=`make -n -v 2>&1|grep 'ake'|sed 's/ake .*/ake/'`
173 : pazsan 1.128 GNUMAKE='#'
174 :     test "$make_type" = "GNU Make" && GNUMAKE=''
175 :     AC_MSG_RESULT($make_type)
176 :     AC_SUBST(GNUMAKE)
177 :    
178 : jwilke 1.50 AC_MSG_CHECKING([whether the linker accepts -export-dynamic])
179 :     OLDLDFLAGS=$LDFLAGS
180 :     LDFLAGS="$LDFLAGS -export-dynamic"
181 : anton 1.69 dnl AC_TRY_LINK gives false positive on rs6000-ibm-aix4.2.1.0
182 :     dnl AC_TRY_LINK(,,ac_export_dynamic=yes,ac_export_dynamic=no)
183 :     AC_TRY_RUN(main(){exit(0);},ac_export_dynamic=yes,ac_export_dynamic=no,ac_export_dynamic=no)
184 : jwilke 1.50 test $ac_export_dynamic = yes|| LDFLAGS=$OLDLDFLAGS
185 :     AC_MSG_RESULT($ac_export_dynamic)
186 :    
187 : anton 1.1 #terminology is a bit unusual here: The host is the system on which
188 :     #gforth will run; the system on which configure will run is the `build'
189 :     AC_CANONICAL_HOST
190 :     case "$host_cpu" in
191 : anton 1.136 arm*)
192 :     machine=arm
193 :     CFLAGS="$CFLAGS -fomit-frame-pointer"
194 : anton 1.175 if test -z $arm_cacheflush; then
195 : anton 1.136 no_dynamic_default=1
196 : anton 1.175 arm_cacheflush=arch/arm/cacheflush0
197 : anton 1.136 AC_MSG_WARN([No I-cache flush code known, disabling dynamic native code generation])
198 :     fi
199 : anton 1.175 AC_LIBSOURCES([../arch/arm/cacheflush0, ../arch/arm/cacheflush1, ../arch/arm/cacheflush2])
200 :     AC_LIBOBJ(../$arm_cacheflush)
201 : anton 1.177 #longer skipcodes lead to problems on ARM, and it uses
202 :     #only 4-byte alignment anyway
203 :     test "$skipcode" || skipcode="nop"
204 : anton 1.136 ;;
205 : anton 1.1 hppa*)
206 : anton 1.34 machine=hppa
207 : anton 1.46 $srcdir/mkinstalldirs arch/hppa
208 : pazsan 1.87 AC_LIBOBJ(../arch/hppa/cache)
209 : anton 1.134 #-N needed for --dynamic <M4U3b.3790$9d.317@news.cpqcorp.net>
210 :     LDFLAGS="$LDFLAGS -Xlinker -N"
211 : anton 1.47 LIBS="$LIBS -L/lib/pa1.1/"
212 : anton 1.1 ;;
213 :     sparc*)
214 : anton 1.34 machine=sparc
215 : anton 1.1 ;;
216 : anton 1.31 i386)
217 : anton 1.34 machine=386
218 : anton 1.16 CFLAGS="$CFLAGS -fomit-frame-pointer -fforce-addr -fforce-mem"
219 : anton 1.31 ;;
220 :     i486)
221 : anton 1.34 machine=386
222 : anton 1.31 CFLAGS="$CFLAGS -fomit-frame-pointer -fforce-addr -fforce-mem -m486"
223 :     ;;
224 : anton 1.77 i*86)
225 : anton 1.34 machine=386
226 : anton 1.55 CFLAGS="$CFLAGS -fomit-frame-pointer -fforce-addr -fforce-mem"
227 : pazsan 1.56 CFLAGS_1="$CFLAGS"
228 : pazsan 1.87 CFLAGS="$CFLAGS -march=pentium"
229 : pazsan 1.56 AC_TRY_COMPILE(,,,CFLAGS="$CFLAGS_1 -m486")
230 : anton 1.1 ;;
231 : anton 1.133 x86_64)
232 :     machine=amd64
233 :     ;;
234 : anton 1.136 ia64*)
235 :     machine=ia64
236 :     AC_LIBOBJ(../arch/ia64/flush_icache_block)
237 :     test "$skipcode" || skipcode="nop.i 0"
238 :     #".skip 16" passes the test below,
239 :     # but gives an assembler error in engine
240 :     ;;
241 : pazsan 1.26 m68k)
242 : anton 1.34 machine=m68k
243 : pazsan 1.32 CFLAGS="$CFLAGS -fomit-frame-pointer"
244 :     if test "$host_os" = "nextstep3"
245 :     then
246 : pazsan 1.87 AC_LIBOBJ(termios)
247 : pazsan 1.32 fi
248 : pazsan 1.26 ;;
249 : anton 1.1 mips*)
250 : anton 1.34 machine=mips
251 : anton 1.92 #dynamic native code has the following problems on MIPS:
252 :     #
253 :     #1) J/JAL seems relocatable, but is are only
254 :     #relocatable within a 256MB-segment. While we try to
255 :     #get the linker to arrange this, there is no guarantee
256 :     #that this will succeed (and if the user uses a lot of
257 :     #memory, it is likely to fail).
258 :     #
259 :     #2) The way we generate dynamic native code may
260 :     #violate MIPS architectural restrictions (in
261 :     #particular, the delay slots of LW, MFLO, etc.)
262 :     #
263 :     #Therefore we disable dynamic native code by default:
264 : anton 1.136 if test -z $no_dynamic_default; then
265 :     no_dynamic_default=1
266 :     AC_MSG_WARN([Disabling default dynamic native code generation (relocation and delay slot issues)])
267 :     fi
268 : anton 1.1 ;;
269 : pazsan 1.9 alpha*)
270 : anton 1.34 machine=alpha
271 : anton 1.58 #full IEEE FP support for more uniformity across platforms:
272 :     CFLAGS="$CFLAGS -mieee"
273 : pazsan 1.9 ;;
274 : anton 1.69 power*|rs6000)
275 : anton 1.34 machine=power
276 : anton 1.46 $srcdir/mkinstalldirs arch/power
277 : anton 1.138 AC_CHECK_FUNC(_sync_cache_range,[true],[AC_LIBOBJ(../arch/power/_sync_cache_range)])
278 : anton 1.103 #long long is broken on (at least) gcc-2.95.* for PPC
279 : anton 1.165 test x$ac_cv_sizeof_long_long = x &&
280 :     ($CC -v 2>&1 |grep -q 'gcc version 2.95') &&
281 :     ac_cv_sizeof_long_long=0
282 : anton 1.31 ;;
283 : anton 1.1 *)
284 : anton 1.92 AC_MSG_WARN([Using a generic machine description])
285 :     AC_MSG_WARN([Assuming C floats and doubles are IEEE floats and doubles (for SF@ DF@ SF! DF!)])
286 :     AC_MSG_WARN([FLUSH-ICACHE will do nothing, so END-CODE may not work properly!])
287 : anton 1.34 machine=generic
288 : anton 1.97 #I-cache flushing would be needed for dynamic code generation
289 : anton 1.136 if test -z $no_dynamic_default; then
290 :     no_dynamic_default=1
291 :     AC_MSG_WARN([No I-cache flush code known, disabling dynamic native code generation])
292 :     fi
293 : anton 1.1 esac
294 : anton 1.10 AC_SUBST(host)
295 : anton 1.151
296 :     test x$STACK_CACHE_DEFAULT_FAST = x && STACK_CACHE_DEFAULT_FAST=1
297 :     AC_DEFINE_UNQUOTED(STACK_CACHE_DEFAULT_FAST, $STACK_CACHE_DEFAULT_FAST,
298 :     [number of registers in the default stack cache state for gforth-fast and gforth-native])
299 : pazsan 1.146
300 : anton 1.173 test x$GCC_PR15242_WORKAROUND = x ||
301 :     AC_DEFINE_UNQUOTED(GCC_PR15242_WORKAROUND, $GCC_PR15242_WORKAROUND,
302 :     [force (1) or forbid (0) use of a workaround for a gcc performance bug])
303 :    
304 :     dnl AC_DEFINE(GCC_PR15242_WORKAROUND,,[Define if you want to get dynamic code
305 :     dnl generation on gccs affected by PR15242])
306 :    
307 :    
308 : pazsan 1.146 if test "${enable_force_ll+set}" = set; then
309 :     ac_includes_default="$ac_includes_default
310 :     #include \"arch/generic/128bit.h\""
311 :     fi
312 : anton 1.103
313 :     dnl the following macro produces a warning with autoconf-2.1
314 :     AC_CHECK_SIZEOF(char *)
315 :     case "$ac_cv_sizeof_char_p" in
316 :     2)
317 :     wordsize=16
318 :     ;;
319 :     4)
320 :     wordsize=32
321 :     ;;
322 :     8)
323 :     wordsize=64
324 :     ;;
325 :     esac
326 :    
327 :     AC_CHECK_SIZEOF(char)
328 :     AC_CHECK_SIZEOF(short)
329 :     AC_CHECK_SIZEOF(int)
330 :     AC_CHECK_SIZEOF(long)
331 :     AC_CHECK_SIZEOF(long long)
332 :     AC_CHECK_SIZEOF(intptr_t)
333 :     AC_CHECK_SIZEOF(int128_t)
334 : pazsan 1.144 AC_CHECK_SIZEOF(uint128_t)
335 : anton 1.103
336 :     AC_MSG_CHECKING([for a C type for cells])
337 :     ac_cv_int_type_cell=none
338 :     case "$ac_cv_sizeof_char_p" in
339 :     $ac_cv_sizeof_int)
340 :     ac_cv_int_type_cell=int
341 :     ;;
342 :     $ac_cv_sizeof_short)
343 :     ac_cv_int_type_cell=short
344 :     ;;
345 :     $ac_cv_sizeof_char)
346 :     ac_cv_int_type_cell=char
347 :     ;;
348 :     $ac_cv_sizeof_long)
349 :     ac_cv_int_type_cell=long
350 :     ;;
351 :     $ac_cv_sizeof_long_long)
352 :     ac_cv_int_type_cell="long long"
353 :     ;;
354 :     $ac_cv_sizeof_intptr_t)
355 :     ac_cv_int_type_cell="intptr_t"
356 :     ;;
357 :     $ac_cv_sizeof_int128_t)
358 :     ac_cv_int_type_cell="int128_t"
359 :     ;;
360 :     esac
361 :     AC_MSG_RESULT($ac_cv_int_type_cell)
362 :     AC_DEFINE_UNQUOTED(CELL_TYPE,$ac_cv_int_type_cell,[an integer type that is as long as a pointer])
363 :    
364 : pazsan 1.153 AC_MSG_CHECKING([for a C type for wydes])
365 :     ac_cv_wyde_type_cell=none
366 :     case 2 in
367 :     $ac_cv_sizeof_int)
368 :     ac_cv_wyde_type_cell=int
369 :     ;;
370 :     $ac_cv_sizeof_short)
371 :     ac_cv_wyde_type_cell=short
372 :     ;;
373 :     $ac_cv_sizeof_char)
374 :     ac_cv_wyde_type_cell=char
375 :     ;;
376 :     $ac_cv_sizeof_long)
377 :     ac_cv_wyde_type_cell=long
378 :     ;;
379 :     $ac_cv_sizeof_long_long)
380 :     ac_cv_wyde_type_cell="long long"
381 :     ;;
382 :     $ac_cv_sizeof_intptr_t)
383 :     ac_cv_wyde_type_cell="intptr_t"
384 :     ;;
385 :     $ac_cv_sizeof_int128_t)
386 :     ac_cv_wyde_type_cell="int128_t"
387 :     ;;
388 :     esac
389 :     AC_MSG_RESULT($ac_cv_wyde_type_cell)
390 :     AC_DEFINE_UNQUOTED(WYDE_TYPE,$ac_cv_wyde_type_cell,[an integer type that is 2 bytes long])
391 :    
392 :     AC_MSG_CHECKING([for a C type for tetrabytes])
393 :     ac_cv_tetrabyte_type_cell=none
394 :     case 4 in
395 :     $ac_cv_sizeof_int)
396 :     ac_cv_tetrabyte_type_cell=int
397 :     ;;
398 :     $ac_cv_sizeof_short)
399 :     ac_cv_tetrabyte_type_cell=short
400 :     ;;
401 :     $ac_cv_sizeof_char)
402 :     ac_cv_tetrabyte_type_cell=char
403 :     ;;
404 :     $ac_cv_sizeof_long)
405 :     ac_cv_tetrabyte_type_cell=long
406 :     ;;
407 :     $ac_cv_sizeof_long_long)
408 :     ac_cv_tetrabyte_type_cell="long long"
409 :     ;;
410 :     $ac_cv_sizeof_intptr_t)
411 :     ac_cv_tetrabyte_type_cell="intptr_t"
412 :     ;;
413 :     $ac_cv_sizeof_int128_t)
414 :     ac_cv_tetrabyte_type_cell="int128_t"
415 :     ;;
416 :     esac
417 :     AC_MSG_RESULT($ac_cv_tetrabyte_type_cell)
418 :     AC_DEFINE_UNQUOTED(TETRABYTE_TYPE,$ac_cv_tetrabyte_type_cell,[an integer type that is 4 bytes long])
419 :    
420 : anton 1.103 AC_MSG_CHECKING([for a C type for double-cells])
421 :     ac_cv_int_type_double_cell=none
422 :     case `expr 2 '*' "$ac_cv_sizeof_char_p"` in
423 :     $ac_cv_sizeof_short)
424 :     ac_cv_int_type_double_cell=short
425 :     ;;
426 :     $ac_cv_sizeof_int)
427 :     ac_cv_int_type_double_cell=int
428 :     ;;
429 :     $ac_cv_sizeof_long)
430 :     ac_cv_int_type_double_cell=long
431 :     ;;
432 :     $ac_cv_sizeof_long_long)
433 :     ac_cv_int_type_double_cell="long long"
434 :     ;;
435 :     $ac_cv_sizeof_intptr_t)
436 :     ac_cv_int_type_double_cell="intptr_t"
437 :     ;;
438 :     $ac_cv_sizeof_int128_t)
439 :     ac_cv_int_type_double_cell="int128_t"
440 :     ;;
441 :     esac
442 :     AC_MSG_RESULT($ac_cv_int_type_double_cell)
443 : pazsan 1.144
444 :     AC_MSG_CHECKING([for a C type for unsigned double-cells])
445 :     ac_cv_int_type_double_ucell=none
446 :     case `expr 2 '*' "$ac_cv_sizeof_char_p"` in
447 :     $ac_cv_sizeof_short)
448 :     ac_cv_int_type_double_ucell="unsigned short"
449 :     ;;
450 :     $ac_cv_sizeof_int)
451 :     ac_cv_int_type_double_ucell="unsigned int"
452 :     ;;
453 :     $ac_cv_sizeof_long)
454 :     ac_cv_int_type_double_ucell="unsigned long"
455 :     ;;
456 :     $ac_cv_sizeof_long_long)
457 :     ac_cv_int_type_double_ucell="unsigned long long"
458 :     ;;
459 :     $ac_cv_sizeof_intptr_t)
460 :     ac_cv_int_type_double_ucell="unsigned intptr_t"
461 :     ;;
462 :     $ac_cv_sizeof_uint128_t)
463 :     ac_cv_int_type_double_ucell="uint128_t"
464 :     ;;
465 :     esac
466 :     AC_MSG_RESULT($ac_cv_int_type_double_ucell)
467 :    
468 :     if test "$ac_cv_int_type_double_cell" = none || \
469 :     test "$ac_cv_int_type_double_ucell" = none
470 :     then
471 : anton 1.103 AC_MSG_WARN([Emulating double-cell arithmetic. This may be slow.])
472 :     AC_LIBOBJ(dblsub)
473 :     AC_DEFINE(BUGGY_LONG_LONG,,[define this if there is no working DOUBLE_CELL_TYPE on your machine])
474 :     else
475 :     AC_DEFINE_UNQUOTED(DOUBLE_CELL_TYPE,$ac_cv_int_type_double_cell,[an integer type that is twice as long as a pointer])
476 : pazsan 1.144 AC_DEFINE_UNQUOTED(DOUBLE_UCELL_TYPE,$ac_cv_int_type_double_ucell,[an unsigned integer type that is twice as long as a pointer])
477 : anton 1.103 fi
478 :    
479 :     AC_TYPE_OFF_T
480 :     AC_CHECK_SIZEOF(off_t)
481 :     test $ac_cv_sizeof_off_t -gt $ac_cv_sizeof_char_p
482 :     ac_small_off_t=$?
483 :     AC_DEFINE_UNQUOTED(SMALL_OFF_T,$ac_small_off_t,[1 if off_t fits in a Cell])
484 : anton 1.1
485 : anton 1.109 ENGINE_FLAGS=
486 :     AC_SUBST(ENGINE_FLAGS)
487 :    
488 :     # Try if GCC understands -fno-gcse
489 :    
490 :     AC_MSG_CHECKING([if $CC understands -fno-gcse])
491 :     CFLAGS_1="$CFLAGS"
492 :     CFLAGS="$CFLAGS -fno-gcse"
493 :     AC_TRY_COMPILE(,,ac_nogcse=yes;ENGINE_FLAGS="$ENGINE_FLAGS -fno-gcse",ac_nogcse=no)
494 :     CFLAGS="$CFLAGS_1"
495 :     AC_MSG_RESULT($ac_nogcse)
496 :    
497 :     # Try if GCC understands -fno-strict-aliasing
498 :     AC_MSG_CHECKING([if $CC understands -fno-strict-aliasing])
499 :     CFLAGS_1="$CFLAGS"
500 :     CFLAGS="$CFLAGS -fno-strict-aliasing"
501 :     AC_TRY_COMPILE(,,ac_nostrictaliasing=yes;ENGINE_FLAGS="$ENGINE_FLAGS -fno-strict-aliasing",ac_nostrictaliasing=no)
502 :     CFLAGS="$CFLAGS_1"
503 :     AC_MSG_RESULT($ac_nostrictaliasing)
504 :    
505 : anton 1.123 # Try if GCC understands -fno-crossjumping
506 :     AC_MSG_CHECKING([if $CC understands -fno-crossjumping])
507 : pazsan 1.88 CFLAGS_1="$CFLAGS"
508 : anton 1.123 CFLAGS="$CFLAGS -fno-crossjumping"
509 : anton 1.125 AC_TRY_COMPILE(,,ac_nocrossjumping=yes;ENGINE_FLAGS="$ENGINE_FLAGS -fno-crossjumping",ac_nocrossjumping=no)
510 : anton 1.109 CFLAGS="$CFLAGS_1"
511 : pazsan 1.124 AC_MSG_RESULT($ac_nocrossjumping)
512 : pazsan 1.88
513 : pazsan 1.137 # Try if GCC understands -fno-reorder-blocks
514 :     AC_MSG_CHECKING([if $CC understands -fno-reorder-blocks])
515 :     CFLAGS_1="$CFLAGS"
516 :     CFLAGS="$CFLAGS -fno-reorder-blocks"
517 :     AC_TRY_COMPILE(,,ac_noreorder_blocks=yes;ENGINE_FLAGS="$ENGINE_FLAGS -fno-reorder-blocks",ac_noreorder_blocks=no)
518 :     CFLAGS="$CFLAGS_1"
519 :     AC_MSG_RESULT($ac_noreorder_blocks)
520 :    
521 : anton 1.130 # Try if GCC understands __attribute__((unused))
522 :     AC_MSG_CHECKING([how to suppress 'unused variable' warnings])
523 :     AC_TRY_COMPILE(,[int __attribute__((unused)) foo;], MAYBE_UNUSED='__attribute__((unused))',)
524 :     AC_DEFINE_UNQUOTED(MAYBE_UNUSED,$MAYBE_UNUSED,[attribute for possibly unused variables])
525 :     AC_MSG_RESULT($MAYBE_UNUSED)
526 :    
527 : anton 1.66 AC_CHECK_PROG(asm_fs,asm.fs,arch/$machine/asm.fs,,$srcdir/arch/$machine)
528 : anton 1.61 AC_SUBST(asm_fs)
529 :    
530 : anton 1.66 AC_CHECK_PROG(disasm_fs,disasm.fs,arch/$machine/disasm.fs,,$srcdir/arch/$machine)
531 : anton 1.61 AC_SUBST(disasm_fs)
532 :    
533 : anton 1.116 AC_PATH_PROG(INSTALL_INFO,install-info,[echo '>>>>Please make info dir entry:'],$PATH:/sbin:/usr/sbin:/usr/local/sbin)
534 : anton 1.114
535 : pazsan 1.39 case "$host_os" in
536 : pazsan 1.157 *win32*)
537 :     # !!!FIXME!!! problems with cygwin and ';' as path separator
538 : anton 1.108 DIRSEP="\\\\"
539 : anton 1.127 PATHSEP=";"
540 : anton 1.142 #we want the builtins of command.com/cmd.exe and its
541 :     # handling of .com files.
542 :     #$COMSPEC contains the name of the Windows shell;
543 :     # the ./ is there, because the bash does not recognize
544 :     # absolute DOS filenames
545 :     DEFAULTSYSTEMPREFIX="./$COMSPEC /c "
546 : pazsan 1.39 ;;
547 : anton 1.97 *darwin*)
548 :     #Darwin uses some funny preprocessor by default; eliminate it:
549 : anton 1.127 AC_MSG_NOTICE([using -no-cpp-precomp on Darwin])
550 : anton 1.120 CFLAGS="$CFLAGS -no-cpp-precomp"
551 : anton 1.98 DIRSEP="/"
552 : anton 1.127 PATHSEP=":"
553 : anton 1.141 DEFAULTSYSTEMPREFIX=""
554 : anton 1.98 ;;
555 : pazsan 1.39 *)
556 : pazsan 1.88 DIRSEP="/"
557 : anton 1.127 PATHSEP=":"
558 : anton 1.141 DEFAULTSYSTEMPREFIX=""
559 : pazsan 1.39 ;;
560 :     esac
561 : pazsan 1.88 AC_SUBST(DIRSEP)
562 : pazsan 1.89 AC_DEFINE_UNQUOTED(DIRSEP,'$DIRSEP',[a directory separator character])
563 : anton 1.127 AC_SUBST(PATHSEP)
564 :     AC_DEFINE_UNQUOTED(PATHSEP,'$PATHSEP',[a path separator character])
565 : anton 1.141 AC_SUBST(DEFAULTSYSTEMPREFIX)
566 :     AC_DEFINE_UNQUOTED(DEFAULTSYSTEMPREFIX,"$DEFAULTSYSTEMPREFIX",[default for environment variable GFORTHSYSTEMPREFIX])
567 : pazsan 1.39
568 : anton 1.170 #work around SELinux brain damage (from Andrew Haley <12t8f3jakb74g2c@news.supernews.com>)
569 : anton 1.172 #This magic incantation seems to be completely undocumented.
570 :     AC_CHECK_PROG([MASSAGE_EXE],[chcon],[chcon -t unconfined_execmem_exec_t],[true])
571 : anton 1.170
572 : anton 1.1 dnl Now a little support for DOS/DJGCC
573 : pazsan 1.30 AC_SUBST(GFORTH_EXE)
574 : anton 1.172 GFORTH_EXE=""
575 : anton 1.48 AC_SUBST(GFORTHFAST_EXE)
576 : anton 1.172 GFORTHFAST_EXE=""
577 : anton 1.83 AC_SUBST(GFORTHITC_EXE)
578 :     GFORTHITC_EXE=""
579 : pazsan 1.30 AC_SUBST(GFORTHDITC_EXE)
580 :     GFORTHDITC_EXE=""
581 : anton 1.27
582 :     AC_SUBST(FORTHSIZES)
583 : anton 1.24
584 : anton 1.104 dnl if test "$PEEPHOLE" = "yes"
585 :     dnl then
586 :     dnl PEEPHOLEFLAG="true"
587 :     dnl AC_DEFINE(HAS_PEEPHOLE,,[Define if you want to use peephole optimization])
588 :     dnl else
589 :     dnl PEEPHOLEFLAG="false"
590 :     dnl fi
591 :     PEEPHOLEFLAG="true"
592 : pazsan 1.79 AC_SUBST(PEEPHOLEFLAG)
593 :    
594 : anton 1.1 dnl copy commands for systems that don't have links
595 : pazsan 1.29 AC_SUBST(LINK_KERNL)
596 :     LINK_KERNL=""
597 : anton 1.1
598 :     #if test $host_os=dos
599 :     #then
600 :     # echo Configuring for DOS!!!
601 :     # MAKE_EXE="coff2exe gforth"
602 : pazsan 1.29 # LINK_KERNL='$(CP) kernl32l.fi kernel.fi'
603 : anton 1.1 #fi
604 :    
605 :     dnl the following macro produces a warning with autoconf-2.1
606 :     AC_C_BIGENDIAN
607 : pazsan 1.23 AC_SUBST(KERNEL)
608 : anton 1.1 dnl ac_cv_c_bigendian is an undocumented variable of autoconf-2.1
609 :     if test $ac_cv_c_bigendian = yes; then
610 :     bytesex=b
611 : pazsan 1.23 KERNEL="kernl16b.fi kernl16l.fi kernl32b.fi kernl32l.fi kernl64b.fi kernl64l.fi"
612 : anton 1.1 else
613 :     bytesex=l
614 : pazsan 1.23 KERNEL="kernl16l.fi kernl16b.fi kernl32l.fi kernl32b.fi kernl64l.fi kernl64b.fi"
615 : anton 1.1 fi
616 :    
617 : anton 1.91 #check how to do asm(".skip 16")
618 : anton 1.169 #echo "CFLAGS=$CFLAGS"
619 :     #echo "ac_link=$ac_link"
620 : anton 1.92 AC_MSG_CHECKING([if and how we can waste code space])
621 : anton 1.136 if test -z "$skipcode"; then
622 : anton 1.148 skipcode=no
623 :     CFLAGS_1="$CFLAGS"
624 :     CFLAGS="$CFLAGS $ENGINE_FLAGS"
625 : anton 1.136 for i in ".skip 16" ".block 16" ".org .+16" ".=.+16" ".space 16"
626 :     do
627 : anton 1.91 AC_TRY_RUN(
628 : anton 1.136 [int foo(int,int,int);
629 : anton 1.91 main()
630 :     {
631 : anton 1.136 exit(foo(0,0,0)!=16);
632 : anton 1.91 }
633 : anton 1.136 int foo(int x, int y, int z)
634 : anton 1.91 {
635 : anton 1.136 static void *labels[]={&&label1, &&label2};
636 : anton 1.91 if (x) {
637 : anton 1.136 y++; /* workaround for http://gcc.gnu.org/bugzilla/show_bug.cgi?id=12108 */
638 : anton 1.91 label1:
639 : anton 1.148 asm("$i"); /* or ".space 16" or somesuch */
640 : anton 1.136 label2: ;
641 :     }
642 :     {
643 :     if (y) goto *labels[z]; /* workaround for gcc PR12108 */
644 :     return labels[1]-labels[0];
645 : anton 1.91 }
646 : anton 1.136 }]
647 : anton 1.92 ,skipcode=$i; break
648 :     ,,)
649 : anton 1.136 done
650 : anton 1.148 CFLAGS=$CFLAGS_1
651 : anton 1.136 fi
652 : anton 1.92 AC_MSG_RESULT($skipcode)
653 :     if test "$skipcode" = no
654 :     then
655 : anton 1.136 if test -z $no_dynamic_default; then
656 :     no_dynamic_default=1
657 :     AC_MSG_WARN(Disabling default dynamic native code generation)
658 :     fi
659 : anton 1.92 AC_DEFINE_UNQUOTED(SKIP16,((void)0),statement for skipping 16 bytes)
660 :     else
661 :     AC_DEFINE_UNQUOTED(SKIP16,asm("$skipcode"),statement for skipping 16 bytes)
662 :     fi
663 : anton 1.91
664 : anton 1.174 AC_MSG_CHECKING([if and how we can do comments in asm statements])
665 :     #the point here is to get asm statements that look different to
666 :     #gcc's "optimizer"
667 :     if test -z "$asmcomment"; then
668 :     asmcomment=no
669 :     CFLAGS_1="$CFLAGS"
670 :     CFLAGS="$CFLAGS $ENGINE_FLAGS"
671 : anton 1.176 for i in '"# "' '"! "' '"; "'; do
672 : anton 1.174 AC_TRY_COMPILE(,[asm($i"fluffystunk");],asmcomment=$i; break,)
673 :     done
674 :     CFLAGS=$CFLAGS_1
675 :     fi
676 :     AC_MSG_RESULT($asmcomment)
677 :     if test "$asmcomment" != no
678 :     then
679 :     AC_DEFINE_UNQUOTED(ASMCOMMENT,$asmcomment,[assembler comment start string])
680 :     fi
681 :    
682 : anton 1.136 test "$no_dynamic_default" || no_dynamic_default=0
683 : anton 1.92 AC_DEFINE_UNQUOTED(NO_DYNAMIC_DEFAULT,$no_dynamic_default,default value for no_dynamic)
684 : anton 1.91
685 : anton 1.1 dnl Checks for programs.
686 :     AC_PROG_LN_S
687 : anton 1.95 AC_PROG_INSTALL
688 : pazsan 1.163 AC_CHECK_PROGS(TEXI2DVI,texi2dvi4a2ps texi2dvi)
689 : anton 1.1
690 :     dnl Checks for library functions
691 : anton 1.2 dnl This check is just for making later checks link with libm.
692 :     dnl using sin here is no good idea since it is built-into gcc and typechecked
693 :     AC_CHECK_LIB(m,asin)
694 : anton 1.31 AC_CHECK_LIB(dl,dlopen)
695 : pazsan 1.152 dnl check for libffi 2.x
696 :     AC_CHECK_LIB(ffi,ffi_call)
697 :     if test $ac_cv_lib_ffi_ffi_call = yes
698 :     then
699 :     LIBFFIFLAG="true"
700 :     FFCALLFLAG="false"
701 :     OLDCALLFLAG="false"
702 :     AC_DEFINE(HAS_LIBFFI,,[define this if you want to use the ffcall interface with libffi 2.0])
703 :     else
704 : pazsan 1.124 dnl check for ffcall libraries
705 :     dnl unfortunately, these four calls are separated out into a library each.
706 :     AC_CHECK_LIB(avcall,__builtin_avcall)
707 :     AC_CHECK_LIB(callback,__vacall_r)
708 :     AC_CHECK_LIB(vacall,vacall)
709 :     AC_CHECK_LIB(trampoline,alloc_trampoline)
710 : pazsan 1.152 LIBFFIFLAG="false"
711 : anton 1.125 FFCALLFLAG="false"
712 : pazsan 1.129 OLDCALLFLAG="true"
713 :     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])
714 :     test $ac_cv_lib_avcall___builtin_avcall = no && AC_DEFINE(HAS_OLDCALL,,[define this if you want to use the old call libraries])
715 : pazsan 1.152 fi
716 :     AC_SUBST(LIBFFIFLAG)
717 : anton 1.125 AC_SUBST(FFCALLFLAG)
718 : pazsan 1.129 AC_SUBST(OLDCALLFLAG)
719 : pazsan 1.32 if test "$host_os" != "nextstep3"
720 :     then
721 :     AC_FUNC_MEMCMP
722 :     fi
723 : pazsan 1.25 AC_REPLACE_FUNCS(memmove strtoul pow10 strerror strsignal atanh)
724 : anton 1.97 AC_FUNC_FSEEKO
725 :     AC_CHECK_FUNCS(ftello dlopen sys_siglist getrusage)
726 : anton 1.111 AC_CHECK_TYPES(stack_t,,,[#include <signal.h>])
727 : anton 1.19 AC_DECL_SYS_SIGLIST
728 : anton 1.138 AC_CHECK_FUNC(getopt_long,[true],[AC_LIBOBJ(getopt) AC_LIBOBJ(getopt1)])
729 : anton 1.90 AC_CHECK_FUNCS(expm1 log1p)
730 :     AC_REPLACE_FUNCS(rint ecvt)
731 : anton 1.1 dnl No check for select, because our replacement is no good under
732 :     dnl anything but DOS
733 : anton 1.62 AC_CHECK_HEADERS(sys/mman.h fnmatch.h)
734 : anton 1.63 AC_FUNC_FNMATCH
735 : pazsan 1.87 test $ac_cv_func_fnmatch_works = yes || AC_LIBOBJ(fnmatch)
736 : anton 1.28 AC_CHECK_FUNCS(mmap sysconf getpagesize)
737 : anton 1.34 AM_PATH_LISPDIR
738 : anton 1.1
739 : pazsan 1.23 kernel_fi=kernl${wordsize}${bytesex}.fi
740 : pazsan 1.178 include_fi=kernl${wordsize}${bytesex}${EC}.fi
741 : pazsan 1.23 AC_SUBST(kernel_fi)
742 : pazsan 1.178 AC_SUBST(include_fi)
743 : jwilke 1.50
744 : anton 1.76 #this breaks bindists
745 :     #dnl replace srource directory by absolute value
746 :     #if test $srcdir = "."; then srcdir=`pwd`
747 :     #fi
748 : anton 1.8
749 : anton 1.34 AC_SUBST(machine)
750 : anton 1.95 AC_CONFIG_FILES([
751 : anton 1.31 Makefile
752 : pazsan 1.45 Makedist
753 : anton 1.43 gforthmi
754 : anton 1.80 vmgen
755 : pazsan 1.79 machpc.fs
756 : pazsan 1.159 envos.fs
757 : anton 1.35 engine/Makefile
758 : pazsan 1.161 doc/version.texi
759 :     build-ec ])
760 : anton 1.95 AC_CONFIG_COMMANDS([stamp-h],[[echo timestamp > stamp-h
761 : anton 1.43 chmod +x gforthmi
762 : anton 1.80 chmod +x vmgen
763 : pazsan 1.162 chmod +x build-ec
764 : anton 1.95 test -d kernel||mkdir kernel]],[[]])
765 :     AC_OUTPUT
766 : anton 1.44

CVS Admin

Powered by ViewCVS 1.0-dev
(Powered by ViewCVS)

ViewCVS and CVS Help