[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 : anton 1.188 AC_INIT([gforth],[0.6.9-20070604],[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 : anton 1.187 UPDATED="June 02, 2007"
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="$withval")
88 :    
89 : pazsan 1.185 GCC_LD="\$(GCC)"
90 :     EC_MODE="false"
91 :     EC=""
92 :     engine2="engine2.o"
93 :     engine_fast2="engine-fast2.o"
94 :     no_dynamic=""
95 :     image_i=""
96 :     signals_o="io.o signals.o"
97 :    
98 : pazsan 1.182 AC_ARG_WITH(ec,
99 :     AC_HELP_STRING([--with-ec=<arch>],
100 : pazsan 1.168 [ Build gforth for systems without OS.]),
101 : pazsan 1.182 [if test "$withval" = "no"; then
102 :     echo "defining hosted system"
103 :     else
104 :     echo "defining standalone system (${withval})"
105 : pazsan 1.168 AC_DEFINE(STANDALONE,,[Define if you want a Gforth without OS])
106 : pazsan 1.167 EC_MODE="true"
107 : pazsan 1.178 EC="-ec"
108 :     engine2=""
109 :     engine_fast2=""
110 :     no_dynamic="-DNO_DYNAMIC"
111 :     image_i="image.i"
112 : pazsan 1.182 if test "$withval" != "yes"; then
113 :     signals_o="io-${withval}.o"
114 :     else
115 :     signals_o="io.o"
116 :     fi
117 : pazsan 1.183 GCC_PATH=$(which $CC)
118 :     LIB_PATH=${GCC_PATH%/*/*}
119 :     GCC_LD="\$(LD)"
120 : pazsan 1.184 platform=${withval}
121 : pazsan 1.182 fi])
122 : pazsan 1.167
123 : anton 1.104 #variables mentioned in INSTALL
124 : anton 1.123 AC_ARG_VAR(CC, [The C compiler (must support GNU C 2.x); gcc-2.95 recommended.])
125 : anton 1.104 AC_ARG_VAR(FORTHSIZES, [Gforth command line options for the default stack and dictionary sizes (see INSTALL).])
126 : 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).])
127 : 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)])
128 :    
129 : anton 1.104 AC_ARG_VAR(ac_cv_sizeof_char_p, [sizeof(char *)])
130 : pazsan 1.183 AC_ARG_VAR(ac_cv_sizeof_void_p, [sizeof(void *)])
131 : anton 1.104 AC_ARG_VAR(ac_cv_sizeof_char, [sizeof(char)])
132 :     AC_ARG_VAR(ac_cv_sizeof_short, [sizeof(short)])
133 :     AC_ARG_VAR(ac_cv_sizeof_int, [sizeof(int)])
134 :     AC_ARG_VAR(ac_cv_sizeof_long, [sizeof(long)])
135 :     AC_ARG_VAR(ac_cv_sizeof_long_long, [sizeof(long long)])
136 :     AC_ARG_VAR(ac_cv_sizeof_intptr_t, [sizeof(intptr_t)])
137 :     AC_ARG_VAR(ac_cv_sizeof_int128_t, [sizeof(int128_t)])
138 : pazsan 1.144 AC_ARG_VAR(ac_cv_sizeof_uint128_t, [sizeof(uint128_t)])
139 : anton 1.123 AC_ARG_VAR(ac_cv_c_bigendian, [Is the target big-endian ("yes" or "no")?])
140 :     AC_ARG_VAR(no_dynamic_default, [run gforth with --dynamic (0) or --no-dynamic (1) by default])
141 : anton 1.166 AC_ARG_VAR(skipcode, [assembly code for skipping 16 bytes of code])
142 : anton 1.174 AC_ARG_VAR(asmcomment, [assembler comment start string])
143 : anton 1.175 AC_ARG_VAR(arm_cacheflush, [file containing ARM cacheflush function (without .c)])
144 : anton 1.82
145 : anton 1.96 #set up feature test macros, so the tests get them right:
146 :     # turn on all POSIX, SUSv3, and GNU features if available
147 : anton 1.97 AC_GNU_SOURCE
148 :     dnl AC_DEFINE_UNQUOTED([_GNU_SOURCE],1,[feature test macro])
149 :    
150 :     dnl Don't define _POSIX_SOURCE etc. because some OSs (in particular
151 :     dnl MacOSX) disable some features then (MacOSX checks for _POSIX_SOURCE,
152 :     dnl but not for _XOPEN_SOURCE)
153 :     dnl AC_DEFINE_UNQUOTED([_POSIX_SOURCE],1,[feature test macro])
154 :     dnl AC_DEFINE_UNQUOTED([_POSIX_C_SOURCE],199506L,[feature test macro])
155 :     dnl AC_DEFINE_UNQUOTED([_XOPEN_SOURCE],600,[feature test macro])
156 : anton 1.96 # turn on large file support with 64-bit off_t where available
157 : anton 1.105 AC_SYS_LARGEFILE
158 :     dnl AC_DEFINE_UNQUOTED([_LARGEFILE_SOURCE],1,[feature test macro])
159 :     dnl AC_DEFINE_UNQUOTED([_FILE_OFFSET_BITS],64,[feature test macro])
160 : anton 1.96
161 : anton 1.82 #currently we force direct threading this way. Eventually we should
162 :     #setup in the arch and engine files right
163 : anton 1.16
164 : pazsan 1.15 AC_PROG_CC
165 :    
166 : anton 1.92 test "$GCC" = "yes" || AC_MSG_ERROR(Gforth uses GNU C extensions and requires GCC 2.0 or higher)
167 : pazsan 1.9
168 : pazsan 1.15 AC_SUBST(CC)
169 : pazsan 1.183 AC_SUBST(GCC_LD)
170 : pazsan 1.9 AC_SUBST(DEBUGFLAG)
171 : pazsan 1.178 AC_SUBST(EC)
172 : pazsan 1.167 AC_SUBST(EC_MODE)
173 : pazsan 1.178 AC_SUBST(engine2)
174 :     AC_SUBST(engine_fast2)
175 :     AC_SUBST(no_dynamic)
176 :     AC_SUBST(image_i)
177 : pazsan 1.179 AC_SUBST(signals_o)
178 : anton 1.7
179 : anton 1.174 #this is used to disable some (not generally essential) part of the
180 :     #Makefile that some makes don't grok. It would be better to test for
181 :     #this specific Makefile feature than the make version.
182 : pazsan 1.128 AC_MSG_CHECKING(make type)
183 : anton 1.174 make_type=`make -n -v 2>&1|grep 'ake'|sed 's/ake .*/ake/'`
184 : pazsan 1.128 GNUMAKE='#'
185 :     test "$make_type" = "GNU Make" && GNUMAKE=''
186 :     AC_MSG_RESULT($make_type)
187 :     AC_SUBST(GNUMAKE)
188 :    
189 : jwilke 1.50 AC_MSG_CHECKING([whether the linker accepts -export-dynamic])
190 :     OLDLDFLAGS=$LDFLAGS
191 :     LDFLAGS="$LDFLAGS -export-dynamic"
192 : anton 1.69 dnl AC_TRY_LINK gives false positive on rs6000-ibm-aix4.2.1.0
193 :     dnl AC_TRY_LINK(,,ac_export_dynamic=yes,ac_export_dynamic=no)
194 :     AC_TRY_RUN(main(){exit(0);},ac_export_dynamic=yes,ac_export_dynamic=no,ac_export_dynamic=no)
195 : jwilke 1.50 test $ac_export_dynamic = yes|| LDFLAGS=$OLDLDFLAGS
196 :     AC_MSG_RESULT($ac_export_dynamic)
197 :    
198 : anton 1.1 #terminology is a bit unusual here: The host is the system on which
199 :     #gforth will run; the system on which configure will run is the `build'
200 :     AC_CANONICAL_HOST
201 :     case "$host_cpu" in
202 : anton 1.136 arm*)
203 :     machine=arm
204 :     CFLAGS="$CFLAGS -fomit-frame-pointer"
205 : pazsan 1.184 if test x$platform = xnxt; then
206 : pazsan 1.183 CFLAGS="$CFLAGS -mthumb -mthumb-interwork"
207 :     fi
208 : anton 1.175 if test -z $arm_cacheflush; then
209 : anton 1.136 no_dynamic_default=1
210 : anton 1.175 arm_cacheflush=arch/arm/cacheflush0
211 : anton 1.136 AC_MSG_WARN([No I-cache flush code known, disabling dynamic native code generation])
212 :     fi
213 : anton 1.175 AC_LIBSOURCES([../arch/arm/cacheflush0, ../arch/arm/cacheflush1, ../arch/arm/cacheflush2])
214 :     AC_LIBOBJ(../$arm_cacheflush)
215 : anton 1.177 #longer skipcodes lead to problems on ARM, and it uses
216 :     #only 4-byte alignment anyway
217 :     test "$skipcode" || skipcode="nop"
218 : anton 1.136 ;;
219 : anton 1.1 hppa*)
220 : anton 1.34 machine=hppa
221 : anton 1.46 $srcdir/mkinstalldirs arch/hppa
222 : pazsan 1.87 AC_LIBOBJ(../arch/hppa/cache)
223 : anton 1.134 #-N needed for --dynamic <M4U3b.3790$9d.317@news.cpqcorp.net>
224 :     LDFLAGS="$LDFLAGS -Xlinker -N"
225 : anton 1.47 LIBS="$LIBS -L/lib/pa1.1/"
226 : anton 1.1 ;;
227 :     sparc*)
228 : anton 1.34 machine=sparc
229 : anton 1.1 ;;
230 : anton 1.31 i386)
231 : anton 1.34 machine=386
232 : anton 1.189 CFLAGS="$CFLAGS -fomit-frame-pointer -fforce-addr"
233 : anton 1.31 ;;
234 :     i486)
235 : anton 1.34 machine=386
236 : anton 1.189 CFLAGS="$CFLAGS -fomit-frame-pointer -fforce-addr -m486"
237 : anton 1.31 ;;
238 : anton 1.77 i*86)
239 : anton 1.34 machine=386
240 : anton 1.189 CFLAGS="$CFLAGS -fomit-frame-pointer -fforce-addr"
241 : pazsan 1.56 CFLAGS_1="$CFLAGS"
242 : pazsan 1.87 CFLAGS="$CFLAGS -march=pentium"
243 : pazsan 1.56 AC_TRY_COMPILE(,,,CFLAGS="$CFLAGS_1 -m486")
244 : anton 1.1 ;;
245 : anton 1.133 x86_64)
246 :     machine=amd64
247 :     ;;
248 : anton 1.136 ia64*)
249 :     machine=ia64
250 :     AC_LIBOBJ(../arch/ia64/flush_icache_block)
251 :     test "$skipcode" || skipcode="nop.i 0"
252 :     #".skip 16" passes the test below,
253 :     # but gives an assembler error in engine
254 :     ;;
255 : pazsan 1.26 m68k)
256 : anton 1.34 machine=m68k
257 : pazsan 1.32 CFLAGS="$CFLAGS -fomit-frame-pointer"
258 :     if test "$host_os" = "nextstep3"
259 :     then
260 : pazsan 1.87 AC_LIBOBJ(termios)
261 : pazsan 1.32 fi
262 : pazsan 1.26 ;;
263 : anton 1.1 mips*)
264 : anton 1.34 machine=mips
265 : anton 1.92 #dynamic native code has the following problems on MIPS:
266 :     #
267 :     #1) J/JAL seems relocatable, but is are only
268 :     #relocatable within a 256MB-segment. While we try to
269 :     #get the linker to arrange this, there is no guarantee
270 :     #that this will succeed (and if the user uses a lot of
271 :     #memory, it is likely to fail).
272 :     #
273 :     #2) The way we generate dynamic native code may
274 :     #violate MIPS architectural restrictions (in
275 :     #particular, the delay slots of LW, MFLO, etc.)
276 :     #
277 :     #Therefore we disable dynamic native code by default:
278 : anton 1.136 if test -z $no_dynamic_default; then
279 :     no_dynamic_default=1
280 :     AC_MSG_WARN([Disabling default dynamic native code generation (relocation and delay slot issues)])
281 :     fi
282 : anton 1.1 ;;
283 : pazsan 1.9 alpha*)
284 : anton 1.34 machine=alpha
285 : anton 1.58 #full IEEE FP support for more uniformity across platforms:
286 :     CFLAGS="$CFLAGS -mieee"
287 : pazsan 1.9 ;;
288 : anton 1.69 power*|rs6000)
289 : anton 1.34 machine=power
290 : anton 1.46 $srcdir/mkinstalldirs arch/power
291 : anton 1.138 AC_CHECK_FUNC(_sync_cache_range,[true],[AC_LIBOBJ(../arch/power/_sync_cache_range)])
292 : anton 1.103 #long long is broken on (at least) gcc-2.95.* for PPC
293 : anton 1.165 test x$ac_cv_sizeof_long_long = x &&
294 :     ($CC -v 2>&1 |grep -q 'gcc version 2.95') &&
295 :     ac_cv_sizeof_long_long=0
296 : anton 1.31 ;;
297 : anton 1.1 *)
298 : anton 1.92 AC_MSG_WARN([Using a generic machine description])
299 :     AC_MSG_WARN([Assuming C floats and doubles are IEEE floats and doubles (for SF@ DF@ SF! DF!)])
300 :     AC_MSG_WARN([FLUSH-ICACHE will do nothing, so END-CODE may not work properly!])
301 : anton 1.34 machine=generic
302 : anton 1.97 #I-cache flushing would be needed for dynamic code generation
303 : anton 1.136 if test -z $no_dynamic_default; then
304 :     no_dynamic_default=1
305 :     AC_MSG_WARN([No I-cache flush code known, disabling dynamic native code generation])
306 :     fi
307 : anton 1.1 esac
308 : anton 1.10 AC_SUBST(host)
309 : anton 1.151
310 : pazsan 1.184 MAKEINC=""
311 :    
312 :     echo "Check for arch/$machine/$platform/gforth.ld ($EC_MODE)"
313 : pazsan 1.183 if test x$EC_MODE = xtrue
314 :     then
315 : pazsan 1.184 echo "Check for arch/$machine/$platform/gforth.ld"
316 :     if test -f arch/$machine/$platform/gforth.ld
317 : pazsan 1.183 then
318 : pazsan 1.184 LDFLAGS="-T ../arch/$machine/$platform/gforth.ld -Map \$@.map -cref --gc-sections $LDFLAGS"
319 :     if test x$platform = xnxt; then
320 : pazsan 1.183 LIBS="$LIB_PATH/lib/gcc/arm-elf/$($CC --version | grep GCC | cut -d' ' -f3)/interwork/libgcc.a $LIB_PATH/arm-elf/lib/interwork/libc.a $LIBS"
321 :     fi
322 :     fi
323 : pazsan 1.184 if test -f arch/$machine/$platform/make.inc
324 :     then
325 :     MAKEINC="include ../arch/$machine/$platform/make.inc"
326 :     fi
327 : pazsan 1.183 fi
328 : pazsan 1.184 AC_SUBST(MAKEINC)
329 : pazsan 1.183
330 : anton 1.151 test x$STACK_CACHE_DEFAULT_FAST = x && STACK_CACHE_DEFAULT_FAST=1
331 :     AC_DEFINE_UNQUOTED(STACK_CACHE_DEFAULT_FAST, $STACK_CACHE_DEFAULT_FAST,
332 :     [number of registers in the default stack cache state for gforth-fast and gforth-native])
333 : pazsan 1.146
334 : anton 1.173 test x$GCC_PR15242_WORKAROUND = x ||
335 :     AC_DEFINE_UNQUOTED(GCC_PR15242_WORKAROUND, $GCC_PR15242_WORKAROUND,
336 :     [force (1) or forbid (0) use of a workaround for a gcc performance bug])
337 :    
338 :     dnl AC_DEFINE(GCC_PR15242_WORKAROUND,,[Define if you want to get dynamic code
339 :     dnl generation on gccs affected by PR15242])
340 :    
341 :    
342 : pazsan 1.146 if test "${enable_force_ll+set}" = set; then
343 :     ac_includes_default="$ac_includes_default
344 :     #include \"arch/generic/128bit.h\""
345 :     fi
346 : anton 1.103
347 :     dnl the following macro produces a warning with autoconf-2.1
348 :     AC_CHECK_SIZEOF(char *)
349 :     case "$ac_cv_sizeof_char_p" in
350 :     2)
351 :     wordsize=16
352 :     ;;
353 :     4)
354 :     wordsize=32
355 :     ;;
356 :     8)
357 :     wordsize=64
358 :     ;;
359 :     esac
360 :    
361 : pazsan 1.183 AC_CHECK_SIZEOF(void *)
362 :     case "$ac_cv_sizeof_void_p" in
363 :     2)
364 :     vwordsize=16
365 :     ;;
366 :     4)
367 :     vwordsize=32
368 :     ;;
369 :     8)
370 :     vwordsize=64
371 :     ;;
372 :     esac
373 :    
374 : anton 1.103 AC_CHECK_SIZEOF(char)
375 :     AC_CHECK_SIZEOF(short)
376 :     AC_CHECK_SIZEOF(int)
377 :     AC_CHECK_SIZEOF(long)
378 :     AC_CHECK_SIZEOF(long long)
379 :     AC_CHECK_SIZEOF(intptr_t)
380 :     AC_CHECK_SIZEOF(int128_t)
381 : pazsan 1.144 AC_CHECK_SIZEOF(uint128_t)
382 : anton 1.103
383 :     AC_MSG_CHECKING([for a C type for cells])
384 :     ac_cv_int_type_cell=none
385 :     case "$ac_cv_sizeof_char_p" in
386 :     $ac_cv_sizeof_int)
387 :     ac_cv_int_type_cell=int
388 :     ;;
389 :     $ac_cv_sizeof_short)
390 :     ac_cv_int_type_cell=short
391 :     ;;
392 :     $ac_cv_sizeof_char)
393 :     ac_cv_int_type_cell=char
394 :     ;;
395 :     $ac_cv_sizeof_long)
396 :     ac_cv_int_type_cell=long
397 :     ;;
398 :     $ac_cv_sizeof_long_long)
399 :     ac_cv_int_type_cell="long long"
400 :     ;;
401 :     $ac_cv_sizeof_intptr_t)
402 :     ac_cv_int_type_cell="intptr_t"
403 :     ;;
404 :     $ac_cv_sizeof_int128_t)
405 :     ac_cv_int_type_cell="int128_t"
406 :     ;;
407 :     esac
408 :     AC_MSG_RESULT($ac_cv_int_type_cell)
409 :     AC_DEFINE_UNQUOTED(CELL_TYPE,$ac_cv_int_type_cell,[an integer type that is as long as a pointer])
410 :    
411 : pazsan 1.153 AC_MSG_CHECKING([for a C type for wydes])
412 :     ac_cv_wyde_type_cell=none
413 :     case 2 in
414 :     $ac_cv_sizeof_int)
415 :     ac_cv_wyde_type_cell=int
416 :     ;;
417 :     $ac_cv_sizeof_short)
418 :     ac_cv_wyde_type_cell=short
419 :     ;;
420 :     $ac_cv_sizeof_char)
421 :     ac_cv_wyde_type_cell=char
422 :     ;;
423 :     $ac_cv_sizeof_long)
424 :     ac_cv_wyde_type_cell=long
425 :     ;;
426 :     $ac_cv_sizeof_long_long)
427 :     ac_cv_wyde_type_cell="long long"
428 :     ;;
429 :     $ac_cv_sizeof_intptr_t)
430 :     ac_cv_wyde_type_cell="intptr_t"
431 :     ;;
432 :     $ac_cv_sizeof_int128_t)
433 :     ac_cv_wyde_type_cell="int128_t"
434 :     ;;
435 :     esac
436 :     AC_MSG_RESULT($ac_cv_wyde_type_cell)
437 :     AC_DEFINE_UNQUOTED(WYDE_TYPE,$ac_cv_wyde_type_cell,[an integer type that is 2 bytes long])
438 :    
439 :     AC_MSG_CHECKING([for a C type for tetrabytes])
440 :     ac_cv_tetrabyte_type_cell=none
441 :     case 4 in
442 :     $ac_cv_sizeof_int)
443 :     ac_cv_tetrabyte_type_cell=int
444 :     ;;
445 :     $ac_cv_sizeof_short)
446 :     ac_cv_tetrabyte_type_cell=short
447 :     ;;
448 :     $ac_cv_sizeof_char)
449 :     ac_cv_tetrabyte_type_cell=char
450 :     ;;
451 :     $ac_cv_sizeof_long)
452 :     ac_cv_tetrabyte_type_cell=long
453 :     ;;
454 :     $ac_cv_sizeof_long_long)
455 :     ac_cv_tetrabyte_type_cell="long long"
456 :     ;;
457 :     $ac_cv_sizeof_intptr_t)
458 :     ac_cv_tetrabyte_type_cell="intptr_t"
459 :     ;;
460 :     $ac_cv_sizeof_int128_t)
461 :     ac_cv_tetrabyte_type_cell="int128_t"
462 :     ;;
463 :     esac
464 :     AC_MSG_RESULT($ac_cv_tetrabyte_type_cell)
465 :     AC_DEFINE_UNQUOTED(TETRABYTE_TYPE,$ac_cv_tetrabyte_type_cell,[an integer type that is 4 bytes long])
466 :    
467 : anton 1.103 AC_MSG_CHECKING([for a C type for double-cells])
468 :     ac_cv_int_type_double_cell=none
469 :     case `expr 2 '*' "$ac_cv_sizeof_char_p"` in
470 :     $ac_cv_sizeof_short)
471 :     ac_cv_int_type_double_cell=short
472 :     ;;
473 :     $ac_cv_sizeof_int)
474 :     ac_cv_int_type_double_cell=int
475 :     ;;
476 :     $ac_cv_sizeof_long)
477 :     ac_cv_int_type_double_cell=long
478 :     ;;
479 :     $ac_cv_sizeof_long_long)
480 :     ac_cv_int_type_double_cell="long long"
481 :     ;;
482 :     $ac_cv_sizeof_intptr_t)
483 :     ac_cv_int_type_double_cell="intptr_t"
484 :     ;;
485 :     $ac_cv_sizeof_int128_t)
486 :     ac_cv_int_type_double_cell="int128_t"
487 :     ;;
488 :     esac
489 :     AC_MSG_RESULT($ac_cv_int_type_double_cell)
490 : pazsan 1.144
491 :     AC_MSG_CHECKING([for a C type for unsigned double-cells])
492 :     ac_cv_int_type_double_ucell=none
493 :     case `expr 2 '*' "$ac_cv_sizeof_char_p"` in
494 :     $ac_cv_sizeof_short)
495 :     ac_cv_int_type_double_ucell="unsigned short"
496 :     ;;
497 :     $ac_cv_sizeof_int)
498 :     ac_cv_int_type_double_ucell="unsigned int"
499 :     ;;
500 :     $ac_cv_sizeof_long)
501 :     ac_cv_int_type_double_ucell="unsigned long"
502 :     ;;
503 :     $ac_cv_sizeof_long_long)
504 :     ac_cv_int_type_double_ucell="unsigned long long"
505 :     ;;
506 :     $ac_cv_sizeof_intptr_t)
507 :     ac_cv_int_type_double_ucell="unsigned intptr_t"
508 :     ;;
509 :     $ac_cv_sizeof_uint128_t)
510 :     ac_cv_int_type_double_ucell="uint128_t"
511 :     ;;
512 :     esac
513 :     AC_MSG_RESULT($ac_cv_int_type_double_ucell)
514 :    
515 :     if test "$ac_cv_int_type_double_cell" = none || \
516 :     test "$ac_cv_int_type_double_ucell" = none
517 :     then
518 : anton 1.103 AC_MSG_WARN([Emulating double-cell arithmetic. This may be slow.])
519 :     AC_LIBOBJ(dblsub)
520 :     AC_DEFINE(BUGGY_LONG_LONG,,[define this if there is no working DOUBLE_CELL_TYPE on your machine])
521 :     else
522 :     AC_DEFINE_UNQUOTED(DOUBLE_CELL_TYPE,$ac_cv_int_type_double_cell,[an integer type that is twice as long as a pointer])
523 : pazsan 1.144 AC_DEFINE_UNQUOTED(DOUBLE_UCELL_TYPE,$ac_cv_int_type_double_ucell,[an unsigned integer type that is twice as long as a pointer])
524 : anton 1.103 fi
525 :    
526 :     AC_TYPE_OFF_T
527 :     AC_CHECK_SIZEOF(off_t)
528 :     test $ac_cv_sizeof_off_t -gt $ac_cv_sizeof_char_p
529 :     ac_small_off_t=$?
530 :     AC_DEFINE_UNQUOTED(SMALL_OFF_T,$ac_small_off_t,[1 if off_t fits in a Cell])
531 : anton 1.1
532 : anton 1.109 ENGINE_FLAGS=
533 :     AC_SUBST(ENGINE_FLAGS)
534 :    
535 :     # Try if GCC understands -fno-gcse
536 :    
537 :     AC_MSG_CHECKING([if $CC understands -fno-gcse])
538 :     CFLAGS_1="$CFLAGS"
539 :     CFLAGS="$CFLAGS -fno-gcse"
540 :     AC_TRY_COMPILE(,,ac_nogcse=yes;ENGINE_FLAGS="$ENGINE_FLAGS -fno-gcse",ac_nogcse=no)
541 :     CFLAGS="$CFLAGS_1"
542 :     AC_MSG_RESULT($ac_nogcse)
543 :    
544 :     # Try if GCC understands -fno-strict-aliasing
545 :     AC_MSG_CHECKING([if $CC understands -fno-strict-aliasing])
546 :     CFLAGS_1="$CFLAGS"
547 :     CFLAGS="$CFLAGS -fno-strict-aliasing"
548 :     AC_TRY_COMPILE(,,ac_nostrictaliasing=yes;ENGINE_FLAGS="$ENGINE_FLAGS -fno-strict-aliasing",ac_nostrictaliasing=no)
549 :     CFLAGS="$CFLAGS_1"
550 :     AC_MSG_RESULT($ac_nostrictaliasing)
551 :    
552 : anton 1.123 # Try if GCC understands -fno-crossjumping
553 :     AC_MSG_CHECKING([if $CC understands -fno-crossjumping])
554 : pazsan 1.88 CFLAGS_1="$CFLAGS"
555 : anton 1.123 CFLAGS="$CFLAGS -fno-crossjumping"
556 : anton 1.125 AC_TRY_COMPILE(,,ac_nocrossjumping=yes;ENGINE_FLAGS="$ENGINE_FLAGS -fno-crossjumping",ac_nocrossjumping=no)
557 : anton 1.109 CFLAGS="$CFLAGS_1"
558 : pazsan 1.124 AC_MSG_RESULT($ac_nocrossjumping)
559 : pazsan 1.88
560 : pazsan 1.137 # Try if GCC understands -fno-reorder-blocks
561 :     AC_MSG_CHECKING([if $CC understands -fno-reorder-blocks])
562 :     CFLAGS_1="$CFLAGS"
563 :     CFLAGS="$CFLAGS -fno-reorder-blocks"
564 :     AC_TRY_COMPILE(,,ac_noreorder_blocks=yes;ENGINE_FLAGS="$ENGINE_FLAGS -fno-reorder-blocks",ac_noreorder_blocks=no)
565 :     CFLAGS="$CFLAGS_1"
566 :     AC_MSG_RESULT($ac_noreorder_blocks)
567 :    
568 : anton 1.189 # Try if GCC understands -falign-labels=1
569 :     AC_MSG_CHECKING([if $CC understands -falign-labels=1])
570 :     CFLAGS_1="$CFLAGS"
571 :     CFLAGS="$CFLAGS -falign-labels=1"
572 :     AC_TRY_COMPILE(,,ac_noreorder_blocks=yes;ENGINE_FLAGS="$ENGINE_FLAGS -falign-labels=1",ac_align_labels=no)
573 :     CFLAGS="$CFLAGS_1"
574 :     AC_MSG_RESULT($ac_align_labels)
575 :    
576 : anton 1.130 # Try if GCC understands __attribute__((unused))
577 :     AC_MSG_CHECKING([how to suppress 'unused variable' warnings])
578 :     AC_TRY_COMPILE(,[int __attribute__((unused)) foo;], MAYBE_UNUSED='__attribute__((unused))',)
579 :     AC_DEFINE_UNQUOTED(MAYBE_UNUSED,$MAYBE_UNUSED,[attribute for possibly unused variables])
580 :     AC_MSG_RESULT($MAYBE_UNUSED)
581 :    
582 : anton 1.66 AC_CHECK_PROG(asm_fs,asm.fs,arch/$machine/asm.fs,,$srcdir/arch/$machine)
583 : anton 1.61 AC_SUBST(asm_fs)
584 :    
585 : anton 1.66 AC_CHECK_PROG(disasm_fs,disasm.fs,arch/$machine/disasm.fs,,$srcdir/arch/$machine)
586 : anton 1.61 AC_SUBST(disasm_fs)
587 :    
588 : anton 1.116 AC_PATH_PROG(INSTALL_INFO,install-info,[echo '>>>>Please make info dir entry:'],$PATH:/sbin:/usr/sbin:/usr/local/sbin)
589 : anton 1.114
590 : pazsan 1.39 case "$host_os" in
591 : pazsan 1.157 *win32*)
592 :     # !!!FIXME!!! problems with cygwin and ';' as path separator
593 : anton 1.108 DIRSEP="\\\\"
594 : anton 1.127 PATHSEP=";"
595 : anton 1.142 #we want the builtins of command.com/cmd.exe and its
596 :     # handling of .com files.
597 :     #$COMSPEC contains the name of the Windows shell;
598 :     # the ./ is there, because the bash does not recognize
599 :     # absolute DOS filenames
600 :     DEFAULTSYSTEMPREFIX="./$COMSPEC /c "
601 : pazsan 1.39 ;;
602 : anton 1.97 *darwin*)
603 :     #Darwin uses some funny preprocessor by default; eliminate it:
604 : anton 1.127 AC_MSG_NOTICE([using -no-cpp-precomp on Darwin])
605 : anton 1.120 CFLAGS="$CFLAGS -no-cpp-precomp"
606 : anton 1.98 DIRSEP="/"
607 : anton 1.127 PATHSEP=":"
608 : anton 1.141 DEFAULTSYSTEMPREFIX=""
609 : anton 1.98 ;;
610 : pazsan 1.39 *)
611 : pazsan 1.88 DIRSEP="/"
612 : anton 1.127 PATHSEP=":"
613 : anton 1.141 DEFAULTSYSTEMPREFIX=""
614 : pazsan 1.39 ;;
615 :     esac
616 : pazsan 1.88 AC_SUBST(DIRSEP)
617 : pazsan 1.89 AC_DEFINE_UNQUOTED(DIRSEP,'$DIRSEP',[a directory separator character])
618 : anton 1.127 AC_SUBST(PATHSEP)
619 :     AC_DEFINE_UNQUOTED(PATHSEP,'$PATHSEP',[a path separator character])
620 : anton 1.141 AC_SUBST(DEFAULTSYSTEMPREFIX)
621 :     AC_DEFINE_UNQUOTED(DEFAULTSYSTEMPREFIX,"$DEFAULTSYSTEMPREFIX",[default for environment variable GFORTHSYSTEMPREFIX])
622 : pazsan 1.39
623 : anton 1.170 #work around SELinux brain damage (from Andrew Haley <12t8f3jakb74g2c@news.supernews.com>)
624 : anton 1.172 #This magic incantation seems to be completely undocumented.
625 :     AC_CHECK_PROG([MASSAGE_EXE],[chcon],[chcon -t unconfined_execmem_exec_t],[true])
626 : anton 1.170
627 : anton 1.1 dnl Now a little support for DOS/DJGCC
628 : pazsan 1.30 AC_SUBST(GFORTH_EXE)
629 : anton 1.172 GFORTH_EXE=""
630 : anton 1.48 AC_SUBST(GFORTHFAST_EXE)
631 : anton 1.172 GFORTHFAST_EXE=""
632 : anton 1.83 AC_SUBST(GFORTHITC_EXE)
633 :     GFORTHITC_EXE=""
634 : pazsan 1.30 AC_SUBST(GFORTHDITC_EXE)
635 :     GFORTHDITC_EXE=""
636 : anton 1.27
637 :     AC_SUBST(FORTHSIZES)
638 : anton 1.24
639 : anton 1.104 dnl if test "$PEEPHOLE" = "yes"
640 :     dnl then
641 :     dnl PEEPHOLEFLAG="true"
642 :     dnl AC_DEFINE(HAS_PEEPHOLE,,[Define if you want to use peephole optimization])
643 :     dnl else
644 :     dnl PEEPHOLEFLAG="false"
645 :     dnl fi
646 :     PEEPHOLEFLAG="true"
647 : pazsan 1.79 AC_SUBST(PEEPHOLEFLAG)
648 :    
649 : anton 1.1 dnl copy commands for systems that don't have links
650 : pazsan 1.29 AC_SUBST(LINK_KERNL)
651 :     LINK_KERNL=""
652 : anton 1.1
653 :     #if test $host_os=dos
654 :     #then
655 :     # echo Configuring for DOS!!!
656 :     # MAKE_EXE="coff2exe gforth"
657 : pazsan 1.29 # LINK_KERNL='$(CP) kernl32l.fi kernel.fi'
658 : anton 1.1 #fi
659 :    
660 :     dnl the following macro produces a warning with autoconf-2.1
661 :     AC_C_BIGENDIAN
662 : pazsan 1.23 AC_SUBST(KERNEL)
663 : anton 1.1 dnl ac_cv_c_bigendian is an undocumented variable of autoconf-2.1
664 :     if test $ac_cv_c_bigendian = yes; then
665 :     bytesex=b
666 : pazsan 1.23 KERNEL="kernl16b.fi kernl16l.fi kernl32b.fi kernl32l.fi kernl64b.fi kernl64l.fi"
667 : anton 1.1 else
668 :     bytesex=l
669 : pazsan 1.23 KERNEL="kernl16l.fi kernl16b.fi kernl32l.fi kernl32b.fi kernl64l.fi kernl64b.fi"
670 : anton 1.1 fi
671 :    
672 : anton 1.91 #check how to do asm(".skip 16")
673 : anton 1.169 #echo "CFLAGS=$CFLAGS"
674 :     #echo "ac_link=$ac_link"
675 : anton 1.92 AC_MSG_CHECKING([if and how we can waste code space])
676 : anton 1.136 if test -z "$skipcode"; then
677 : anton 1.148 skipcode=no
678 :     CFLAGS_1="$CFLAGS"
679 :     CFLAGS="$CFLAGS $ENGINE_FLAGS"
680 : anton 1.136 for i in ".skip 16" ".block 16" ".org .+16" ".=.+16" ".space 16"
681 :     do
682 : anton 1.91 AC_TRY_RUN(
683 : anton 1.136 [int foo(int,int,int);
684 : anton 1.91 main()
685 :     {
686 : anton 1.136 exit(foo(0,0,0)!=16);
687 : anton 1.91 }
688 : anton 1.136 int foo(int x, int y, int z)
689 : anton 1.91 {
690 : anton 1.136 static void *labels[]={&&label1, &&label2};
691 : anton 1.91 if (x) {
692 : anton 1.136 y++; /* workaround for http://gcc.gnu.org/bugzilla/show_bug.cgi?id=12108 */
693 : anton 1.91 label1:
694 : anton 1.148 asm("$i"); /* or ".space 16" or somesuch */
695 : anton 1.136 label2: ;
696 :     }
697 :     {
698 :     if (y) goto *labels[z]; /* workaround for gcc PR12108 */
699 :     return labels[1]-labels[0];
700 : anton 1.91 }
701 : anton 1.136 }]
702 : anton 1.92 ,skipcode=$i; break
703 :     ,,)
704 : anton 1.136 done
705 : anton 1.148 CFLAGS=$CFLAGS_1
706 : anton 1.136 fi
707 : anton 1.92 AC_MSG_RESULT($skipcode)
708 :     if test "$skipcode" = no
709 :     then
710 : anton 1.136 if test -z $no_dynamic_default; then
711 :     no_dynamic_default=1
712 :     AC_MSG_WARN(Disabling default dynamic native code generation)
713 :     fi
714 : anton 1.92 AC_DEFINE_UNQUOTED(SKIP16,((void)0),statement for skipping 16 bytes)
715 :     else
716 :     AC_DEFINE_UNQUOTED(SKIP16,asm("$skipcode"),statement for skipping 16 bytes)
717 :     fi
718 : anton 1.91
719 : anton 1.174 AC_MSG_CHECKING([if and how we can do comments in asm statements])
720 :     #the point here is to get asm statements that look different to
721 :     #gcc's "optimizer"
722 :     if test -z "$asmcomment"; then
723 :     asmcomment=no
724 :     CFLAGS_1="$CFLAGS"
725 :     CFLAGS="$CFLAGS $ENGINE_FLAGS"
726 : anton 1.176 for i in '"# "' '"! "' '"; "'; do
727 : anton 1.174 AC_TRY_COMPILE(,[asm($i"fluffystunk");],asmcomment=$i; break,)
728 :     done
729 :     CFLAGS=$CFLAGS_1
730 :     fi
731 :     AC_MSG_RESULT($asmcomment)
732 :     if test "$asmcomment" != no
733 :     then
734 :     AC_DEFINE_UNQUOTED(ASMCOMMENT,$asmcomment,[assembler comment start string])
735 :     fi
736 :    
737 : anton 1.136 test "$no_dynamic_default" || no_dynamic_default=0
738 : anton 1.92 AC_DEFINE_UNQUOTED(NO_DYNAMIC_DEFAULT,$no_dynamic_default,default value for no_dynamic)
739 : anton 1.91
740 : anton 1.1 dnl Checks for programs.
741 :     AC_PROG_LN_S
742 : anton 1.95 AC_PROG_INSTALL
743 : pazsan 1.163 AC_CHECK_PROGS(TEXI2DVI,texi2dvi4a2ps texi2dvi)
744 : anton 1.1
745 :     dnl Checks for library functions
746 : anton 1.2 dnl This check is just for making later checks link with libm.
747 :     dnl using sin here is no good idea since it is built-into gcc and typechecked
748 :     AC_CHECK_LIB(m,asin)
749 : anton 1.31 AC_CHECK_LIB(dl,dlopen)
750 : pazsan 1.152 dnl check for libffi 2.x
751 :     AC_CHECK_LIB(ffi,ffi_call)
752 :     if test $ac_cv_lib_ffi_ffi_call = yes
753 :     then
754 :     LIBFFIFLAG="true"
755 :     FFCALLFLAG="false"
756 :     OLDCALLFLAG="false"
757 :     AC_DEFINE(HAS_LIBFFI,,[define this if you want to use the ffcall interface with libffi 2.0])
758 :     else
759 : pazsan 1.124 dnl check for ffcall libraries
760 :     dnl unfortunately, these four calls are separated out into a library each.
761 :     AC_CHECK_LIB(avcall,__builtin_avcall)
762 :     AC_CHECK_LIB(callback,__vacall_r)
763 :     AC_CHECK_LIB(vacall,vacall)
764 :     AC_CHECK_LIB(trampoline,alloc_trampoline)
765 : pazsan 1.152 LIBFFIFLAG="false"
766 : anton 1.125 FFCALLFLAG="false"
767 : pazsan 1.129 OLDCALLFLAG="true"
768 :     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])
769 :     test $ac_cv_lib_avcall___builtin_avcall = no && AC_DEFINE(HAS_OLDCALL,,[define this if you want to use the old call libraries])
770 : pazsan 1.152 fi
771 :     AC_SUBST(LIBFFIFLAG)
772 : anton 1.125 AC_SUBST(FFCALLFLAG)
773 : pazsan 1.129 AC_SUBST(OLDCALLFLAG)
774 : pazsan 1.32 if test "$host_os" != "nextstep3"
775 :     then
776 :     AC_FUNC_MEMCMP
777 :     fi
778 : pazsan 1.25 AC_REPLACE_FUNCS(memmove strtoul pow10 strerror strsignal atanh)
779 : anton 1.97 AC_FUNC_FSEEKO
780 : anton 1.186 AC_CHECK_FUNCS(ftello dlopen sys_siglist getrusage nanosleep)
781 : anton 1.111 AC_CHECK_TYPES(stack_t,,,[#include <signal.h>])
782 : anton 1.19 AC_DECL_SYS_SIGLIST
783 : anton 1.138 AC_CHECK_FUNC(getopt_long,[true],[AC_LIBOBJ(getopt) AC_LIBOBJ(getopt1)])
784 : anton 1.90 AC_CHECK_FUNCS(expm1 log1p)
785 :     AC_REPLACE_FUNCS(rint ecvt)
786 : anton 1.1 dnl No check for select, because our replacement is no good under
787 :     dnl anything but DOS
788 : anton 1.62 AC_CHECK_HEADERS(sys/mman.h fnmatch.h)
789 : anton 1.63 AC_FUNC_FNMATCH
790 : pazsan 1.87 test $ac_cv_func_fnmatch_works = yes || AC_LIBOBJ(fnmatch)
791 : anton 1.28 AC_CHECK_FUNCS(mmap sysconf getpagesize)
792 : anton 1.34 AM_PATH_LISPDIR
793 : anton 1.1
794 : pazsan 1.183 kernel_fi=kernl${vwordsize}${bytesex}.fi
795 : pazsan 1.178 include_fi=kernl${wordsize}${bytesex}${EC}.fi
796 : pazsan 1.23 AC_SUBST(kernel_fi)
797 : pazsan 1.178 AC_SUBST(include_fi)
798 : jwilke 1.50
799 : anton 1.76 #this breaks bindists
800 :     #dnl replace srource directory by absolute value
801 :     #if test $srcdir = "."; then srcdir=`pwd`
802 :     #fi
803 : anton 1.8
804 : anton 1.188 echo "version=$PACKAGE_VERSION"
805 :    
806 : anton 1.34 AC_SUBST(machine)
807 : anton 1.95 AC_CONFIG_FILES([
808 : anton 1.31 Makefile
809 : pazsan 1.45 Makedist
810 : anton 1.43 gforthmi
811 : anton 1.80 vmgen
812 : pazsan 1.79 machpc.fs
813 : pazsan 1.159 envos.fs
814 : anton 1.35 engine/Makefile
815 : anton 1.188 engine/libcc.h
816 : pazsan 1.161 doc/version.texi
817 :     build-ec ])
818 : anton 1.95 AC_CONFIG_COMMANDS([stamp-h],[[echo timestamp > stamp-h
819 : anton 1.43 chmod +x gforthmi
820 : anton 1.80 chmod +x vmgen
821 : pazsan 1.162 chmod +x build-ec
822 : anton 1.188 test -d kernel||mkdir kernel
823 :     $srcdir/mkinstalldirs include/gforth/$PACKAGE_VERSION
824 :     ln -s ../../../engine/config.h ../../../engine/libcc.h include/gforth/$PACKAGE_VERSION]],[[PACKAGE_VERSION=$PACKAGE_VERSION]])
825 : anton 1.95 AC_OUTPUT
826 : anton 1.44

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