[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 : anton 1.231 #Copyright (C) 1995,1996,1997,1998,2000,2003,2004,2005,2006,2007,2008 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 : anton 1.201 #as published by the Free Software Foundation, either version 3
10 : anton 1.20 #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 : anton 1.201 #along with this program. If not, see http://www.gnu.org/licenses/.
19 : anton 1.20
20 : anton 1.121
21 : anton 1.34 dnl We use some automake macros here,
22 :     dnl but don't use automake for creating Makefile.in
23 : pazsan 1.245 AC_INIT([gforth],[0.6.9-20081006],[https://savannah.gnu.org/bugs/?func=addbug&group=gforth])
24 : anton 1.113 AC_PREREQ(2.54)
25 : anton 1.47 #snapshots have numbers major.minor.release-YYYYMMDD
26 : anton 1.92 #note that lexicographic ordering must be heeded.
27 : anton 1.47 #I.e., 0.4.1-YYYYMMDD must not exist before 0.4.1!
28 : pazsan 1.245 UPDATED="October 10, 2008"
29 : anton 1.84 AC_SUBST(UPDATED)
30 : anton 1.94 AC_CONFIG_HEADERS(engine/config.h)
31 : anton 1.14
32 : anton 1.225 #remnants from having ltdl as convenience library
33 :     LTDLDEPS=""
34 :     LTDLINCL=""
35 :     LIBLTDL=""
36 :     LTDL_LDLIBS=""
37 :     AC_SUBST(LTDLDEPS)
38 :     AC_SUBST(LTDLINCL)
39 :     AC_SUBST(LIBLTDL)
40 : anton 1.219 AC_SUBST(LTDL_LDLIBS)
41 :    
42 : anton 1.121 #suppress the "-g -O2" default
43 :     test "$CFLAGS" || CFLAGS=-O2
44 :    
45 : pazsan 1.150 AC_ARG_ENABLE(force-cdiv,
46 :     AC_HELP_STRING([--enable-force-cdiv],
47 :     [ Use the native C division - symmetric - instead of
48 :     floored division (default disabled).]),
49 :     ,enable_force_cdiv=no)
50 :     test "$enable_force_cdiv" = "no"||
51 :     AC_DEFINE(FORCE_CDIV,,[Define if you want to use explicit symmetric division for better performance])
52 :    
53 : anton 1.149 AC_SUBST(PROFEXES)
54 :     AC_SUBST(PROFOBJS)
55 : anton 1.135 AC_ARG_ENABLE(prof,
56 : anton 1.149 AC_HELP_STRING([--enable-prof],
57 :     [ Build gforth-prof, which outputs frequently occuring
58 :     sequences of primitives.]),
59 :     ,enable_prof=no)
60 : anton 1.204 if test "$enable_prof" != "no"; then
61 :     PROFEXES='gforth-prof$(OPT)$(EXE)'; PROFOBJS='engine-prof$(OPT).o main-prof$(OPT).o profile$(OPT).o'
62 : anton 1.149 fi
63 : anton 1.1
64 : pazsan 1.9 AC_ARG_WITH(debug,
65 : pazsan 1.122 [ --with-debug specifies option -g to compile with debug info
66 :     --without-debug omits the -g switch and creates smaller images on
67 :     machines where "strip" has problems with gcc style
68 :     debugging informations.],
69 : pazsan 1.9 if test "$withval" = "yes"; then DEBUGFLAG=-g; fi)
70 : pazsan 1.122
71 : pazsan 1.185 GCC_LD="\$(GCC)"
72 :     EC_MODE="false"
73 :     EC=""
74 : anton 1.204 engine2='engine2$(OPT).o'
75 :     engine_fast2='engine-fast2$(OPT).o'
76 : pazsan 1.185 no_dynamic=""
77 :     image_i=""
78 :     signals_o="io.o signals.o"
79 :    
80 : pazsan 1.182 AC_ARG_WITH(ec,
81 :     AC_HELP_STRING([--with-ec=<arch>],
82 : pazsan 1.168 [ Build gforth for systems without OS.]),
83 : pazsan 1.182 [if test "$withval" = "no"; then
84 :     echo "defining hosted system"
85 :     else
86 :     echo "defining standalone system (${withval})"
87 : pazsan 1.168 AC_DEFINE(STANDALONE,,[Define if you want a Gforth without OS])
88 : pazsan 1.167 EC_MODE="true"
89 : pazsan 1.178 EC="-ec"
90 :     engine2=""
91 :     engine_fast2=""
92 :     no_dynamic="-DNO_DYNAMIC"
93 :     image_i="image.i"
94 : pazsan 1.182 if test "$withval" != "yes"; then
95 :     signals_o="io-${withval}.o"
96 :     else
97 :     signals_o="io.o"
98 :     fi
99 : pazsan 1.183 GCC_PATH=$(which $CC)
100 :     LIB_PATH=${GCC_PATH%/*/*}
101 :     GCC_LD="\$(LD)"
102 : pazsan 1.184 platform=${withval}
103 : pazsan 1.182 fi])
104 : pazsan 1.167
105 : anton 1.104 #variables mentioned in INSTALL
106 : anton 1.203 AC_ARG_VAR(CC, [The C compiler (must support GNU C 2.x).])
107 : anton 1.104 AC_ARG_VAR(FORTHSIZES, [Gforth command line options for the default stack and dictionary sizes (see INSTALL).])
108 : anton 1.203 AC_ARG_VAR(STACK_CACHE_REGS, [number of registers in the maximum stack cache state for gforth-fast and gforth-native (default platform-dependent).])
109 : 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).])
110 : 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)])
111 : anton 1.236 AC_ARG_VAR(LIBCC_BUILD_SRC, [(Additional) libcc interface source files that should be processed on building and installation (default none)])
112 : anton 1.173
113 : anton 1.104 AC_ARG_VAR(ac_cv_sizeof_char_p, [sizeof(char *)])
114 : pazsan 1.183 AC_ARG_VAR(ac_cv_sizeof_void_p, [sizeof(void *)])
115 : anton 1.104 AC_ARG_VAR(ac_cv_sizeof_char, [sizeof(char)])
116 :     AC_ARG_VAR(ac_cv_sizeof_short, [sizeof(short)])
117 :     AC_ARG_VAR(ac_cv_sizeof_int, [sizeof(int)])
118 :     AC_ARG_VAR(ac_cv_sizeof_long, [sizeof(long)])
119 :     AC_ARG_VAR(ac_cv_sizeof_long_long, [sizeof(long long)])
120 :     AC_ARG_VAR(ac_cv_sizeof_intptr_t, [sizeof(intptr_t)])
121 : anton 1.254 AC_ARG_VAR(ac_cv_sizeof_int128_t, [sizeof(int128_t)])
122 :     AC_ARG_VAR(ac_cv_sizeof_uint128_t, [sizeof(uint128_t)])
123 : anton 1.123 AC_ARG_VAR(ac_cv_c_bigendian, [Is the target big-endian ("yes" or "no")?])
124 :     AC_ARG_VAR(no_dynamic_default, [run gforth with --dynamic (0) or --no-dynamic (1) by default])
125 : anton 1.190 AC_ARG_VAR(condbranch_opt, [enable (1) or disable (0) using two dispatches for conditional branches])
126 : anton 1.166 AC_ARG_VAR(skipcode, [assembly code for skipping 16 bytes of code])
127 : anton 1.174 AC_ARG_VAR(asmcomment, [assembler comment start string])
128 : anton 1.175 AC_ARG_VAR(arm_cacheflush, [file containing ARM cacheflush function (without .c)])
129 : anton 1.250 AC_ARG_VAR(LTDL_LIBRARY_PATH, [additional directories for libltdl (for some 64-bit platforms)])
130 : anton 1.82
131 : anton 1.96 #set up feature test macros, so the tests get them right:
132 :     # turn on all POSIX, SUSv3, and GNU features if available
133 : anton 1.97 AC_GNU_SOURCE
134 :     dnl AC_DEFINE_UNQUOTED([_GNU_SOURCE],1,[feature test macro])
135 :    
136 :     dnl Don't define _POSIX_SOURCE etc. because some OSs (in particular
137 :     dnl MacOSX) disable some features then (MacOSX checks for _POSIX_SOURCE,
138 :     dnl but not for _XOPEN_SOURCE)
139 :     dnl AC_DEFINE_UNQUOTED([_POSIX_SOURCE],1,[feature test macro])
140 :     dnl AC_DEFINE_UNQUOTED([_POSIX_C_SOURCE],199506L,[feature test macro])
141 :     dnl AC_DEFINE_UNQUOTED([_XOPEN_SOURCE],600,[feature test macro])
142 : anton 1.96 # turn on large file support with 64-bit off_t where available
143 : anton 1.105 AC_SYS_LARGEFILE
144 :     dnl AC_DEFINE_UNQUOTED([_LARGEFILE_SOURCE],1,[feature test macro])
145 :     dnl AC_DEFINE_UNQUOTED([_FILE_OFFSET_BITS],64,[feature test macro])
146 : anton 1.96
147 : anton 1.82 #currently we force direct threading this way. Eventually we should
148 :     #setup in the arch and engine files right
149 : anton 1.16
150 : pazsan 1.15 AC_PROG_CC
151 :    
152 : anton 1.92 test "$GCC" = "yes" || AC_MSG_ERROR(Gforth uses GNU C extensions and requires GCC 2.0 or higher)
153 : pazsan 1.9
154 : anton 1.190 AC_MSG_CHECKING([whether to use two dispatches per conditional branch])
155 :     test x$condbranch_opt = x &&
156 : anton 1.238 if ($CC -v 2>&1 |grep 'gcc version 3' >/dev/null); then
157 : anton 1.190 condbranch_opt=0
158 :     else
159 :     condbranch_opt=1
160 :     fi
161 :     AC_MSG_RESULT($condbranch_opt)
162 :     AC_SUBST(condbranch_opt)
163 :    
164 : pazsan 1.15 AC_SUBST(CC)
165 : pazsan 1.183 AC_SUBST(GCC_LD)
166 : pazsan 1.9 AC_SUBST(DEBUGFLAG)
167 : pazsan 1.178 AC_SUBST(EC)
168 : pazsan 1.167 AC_SUBST(EC_MODE)
169 : pazsan 1.178 AC_SUBST(engine2)
170 :     AC_SUBST(engine_fast2)
171 :     AC_SUBST(no_dynamic)
172 :     AC_SUBST(image_i)
173 : pazsan 1.179 AC_SUBST(signals_o)
174 : anton 1.7
175 : anton 1.174 #this is used to disable some (not generally essential) part of the
176 :     #Makefile that some makes don't grok. It would be better to test for
177 :     #this specific Makefile feature than the make version.
178 : pazsan 1.128 AC_MSG_CHECKING(make type)
179 : anton 1.174 make_type=`make -n -v 2>&1|grep 'ake'|sed 's/ake .*/ake/'`
180 : pazsan 1.128 GNUMAKE='#'
181 :     test "$make_type" = "GNU Make" && GNUMAKE=''
182 :     AC_MSG_RESULT($make_type)
183 :     AC_SUBST(GNUMAKE)
184 :    
185 : jwilke 1.50 AC_MSG_CHECKING([whether the linker accepts -export-dynamic])
186 :     OLDLDFLAGS=$LDFLAGS
187 :     LDFLAGS="$LDFLAGS -export-dynamic"
188 : anton 1.69 dnl AC_TRY_LINK gives false positive on rs6000-ibm-aix4.2.1.0
189 :     dnl AC_TRY_LINK(,,ac_export_dynamic=yes,ac_export_dynamic=no)
190 :     AC_TRY_RUN(main(){exit(0);},ac_export_dynamic=yes,ac_export_dynamic=no,ac_export_dynamic=no)
191 : jwilke 1.50 test $ac_export_dynamic = yes|| LDFLAGS=$OLDLDFLAGS
192 :     AC_MSG_RESULT($ac_export_dynamic)
193 :    
194 : anton 1.1 #terminology is a bit unusual here: The host is the system on which
195 :     #gforth will run; the system on which configure will run is the `build'
196 :     AC_CANONICAL_HOST
197 :     case "$host_cpu" in
198 : anton 1.136 arm*)
199 :     machine=arm
200 :     CFLAGS="$CFLAGS -fomit-frame-pointer"
201 : pazsan 1.184 if test x$platform = xnxt; then
202 : pazsan 1.183 CFLAGS="$CFLAGS -mthumb -mthumb-interwork"
203 :     fi
204 : anton 1.175 if test -z $arm_cacheflush; then
205 : dvdkhlng 1.212 case "$host_os" in
206 :     *linux*)
207 :     arm_cacheflush=arch/arm/cacheflush-linux
208 :     ;;
209 :     *)
210 :     no_dynamic_default=1
211 :     arm_cacheflush=arch/arm/cacheflush0
212 :     AC_MSG_WARN([No I-cache flush code known, disabling dynamic native code generation])
213 :     ;;
214 :     esac
215 : anton 1.136 fi
216 : dvdkhlng 1.212 AC_LIBSOURCES([../arch/arm/cacheflush0, dnl
217 :     ../arch/arm/cacheflush-linux])
218 : anton 1.175 AC_LIBOBJ(../$arm_cacheflush)
219 : anton 1.177 #longer skipcodes lead to problems on ARM, and it uses
220 :     #only 4-byte alignment anyway
221 :     test "$skipcode" || skipcode="nop"
222 : anton 1.136 ;;
223 : anton 1.1 hppa*)
224 : anton 1.34 machine=hppa
225 : anton 1.46 $srcdir/mkinstalldirs arch/hppa
226 : pazsan 1.87 AC_LIBOBJ(../arch/hppa/cache)
227 : anton 1.134 #-N needed for --dynamic <M4U3b.3790$9d.317@news.cpqcorp.net>
228 :     LDFLAGS="$LDFLAGS -Xlinker -N"
229 : anton 1.47 LIBS="$LIBS -L/lib/pa1.1/"
230 : anton 1.1 ;;
231 :     sparc*)
232 : anton 1.34 machine=sparc
233 : anton 1.1 ;;
234 : anton 1.31 i386)
235 : anton 1.34 machine=386
236 : anton 1.189 CFLAGS="$CFLAGS -fomit-frame-pointer -fforce-addr"
237 : anton 1.31 ;;
238 :     i486)
239 : anton 1.34 machine=386
240 : anton 1.189 CFLAGS="$CFLAGS -fomit-frame-pointer -fforce-addr -m486"
241 : anton 1.31 ;;
242 : anton 1.77 i*86)
243 : anton 1.34 machine=386
244 : anton 1.189 CFLAGS="$CFLAGS -fomit-frame-pointer -fforce-addr"
245 : pazsan 1.56 CFLAGS_1="$CFLAGS"
246 : pazsan 1.87 CFLAGS="$CFLAGS -march=pentium"
247 : pazsan 1.56 AC_TRY_COMPILE(,,,CFLAGS="$CFLAGS_1 -m486")
248 : anton 1.1 ;;
249 : anton 1.133 x86_64)
250 : pazsan 1.192 case $CC
251 :     in
252 :     *-m32*)
253 :     machine=386
254 :     CFLAGS="$CFLAGS -fomit-frame-pointer -fforce-addr"
255 :     CFLAGS_1="$CFLAGS"
256 :     CFLAGS="$CFLAGS -march=athlon64"
257 :     ;;
258 :     *)
259 :     machine=amd64
260 :     ;;
261 :     esac
262 : anton 1.133 ;;
263 : anton 1.136 ia64*)
264 :     machine=ia64
265 :     AC_LIBOBJ(../arch/ia64/flush_icache_block)
266 :     test "$skipcode" || skipcode="nop.i 0"
267 :     #".skip 16" passes the test below,
268 :     # but gives an assembler error in engine
269 :     ;;
270 : pazsan 1.26 m68k)
271 : anton 1.34 machine=m68k
272 : pazsan 1.32 CFLAGS="$CFLAGS -fomit-frame-pointer"
273 :     if test "$host_os" = "nextstep3"
274 :     then
275 : pazsan 1.87 AC_LIBOBJ(termios)
276 : pazsan 1.32 fi
277 : pazsan 1.26 ;;
278 : anton 1.1 mips*)
279 : anton 1.34 machine=mips
280 : anton 1.92 #dynamic native code has the following problems on MIPS:
281 :     #
282 :     #1) J/JAL seems relocatable, but is are only
283 :     #relocatable within a 256MB-segment. While we try to
284 :     #get the linker to arrange this, there is no guarantee
285 :     #that this will succeed (and if the user uses a lot of
286 :     #memory, it is likely to fail).
287 :     #
288 :     #2) The way we generate dynamic native code may
289 :     #violate MIPS architectural restrictions (in
290 :     #particular, the delay slots of LW, MFLO, etc.)
291 :     #
292 :     #Therefore we disable dynamic native code by default:
293 : anton 1.255 if test -z "$no_dynamic_default"; then
294 : anton 1.136 no_dynamic_default=1
295 :     AC_MSG_WARN([Disabling default dynamic native code generation (relocation and delay slot issues)])
296 :     fi
297 : anton 1.1 ;;
298 : pazsan 1.9 alpha*)
299 : anton 1.34 machine=alpha
300 : anton 1.58 #full IEEE FP support for more uniformity across platforms:
301 :     CFLAGS="$CFLAGS -mieee"
302 : pazsan 1.9 ;;
303 : anton 1.69 power*|rs6000)
304 : anton 1.34 machine=power
305 : anton 1.46 $srcdir/mkinstalldirs arch/power
306 : anton 1.138 AC_CHECK_FUNC(_sync_cache_range,[true],[AC_LIBOBJ(../arch/power/_sync_cache_range)])
307 : anton 1.103 #long long is broken on (at least) gcc-2.95.* for PPC
308 : anton 1.165 test x$ac_cv_sizeof_long_long = x &&
309 : anton 1.238 ($CC -v 2>&1 |grep 'gcc version 2.95' >/dev/null) &&
310 : anton 1.165 ac_cv_sizeof_long_long=0
311 : anton 1.203 #The only architecture with enough callee-saved registers
312 :     test x$STACK_CACHE_REGS = x && STACK_CACHE_REGS=3
313 :     #or use 2, hardly slower at run-time and starts up faster
314 : anton 1.31 ;;
315 : anton 1.1 *)
316 : anton 1.92 AC_MSG_WARN([Using a generic machine description])
317 :     AC_MSG_WARN([Assuming C floats and doubles are IEEE floats and doubles (for SF@ DF@ SF! DF!)])
318 :     AC_MSG_WARN([FLUSH-ICACHE will do nothing, so END-CODE may not work properly!])
319 : anton 1.34 machine=generic
320 : anton 1.97 #I-cache flushing would be needed for dynamic code generation
321 : anton 1.136 if test -z $no_dynamic_default; then
322 :     no_dynamic_default=1
323 :     AC_MSG_WARN([No I-cache flush code known, disabling dynamic native code generation])
324 :     fi
325 : anton 1.1 esac
326 : anton 1.10 AC_SUBST(host)
327 : anton 1.151
328 : pazsan 1.184 MAKEINC=""
329 :    
330 :     echo "Check for arch/$machine/$platform/gforth.ld ($EC_MODE)"
331 : pazsan 1.183 if test x$EC_MODE = xtrue
332 :     then
333 : pazsan 1.184 echo "Check for arch/$machine/$platform/gforth.ld"
334 :     if test -f arch/$machine/$platform/gforth.ld
335 : pazsan 1.183 then
336 : pazsan 1.184 LDFLAGS="-T ../arch/$machine/$platform/gforth.ld -Map \$@.map -cref --gc-sections $LDFLAGS"
337 :     if test x$platform = xnxt; then
338 : 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 $LIBS"
339 :     fi
340 :     fi
341 : pazsan 1.184 if test -f arch/$machine/$platform/make.inc
342 :     then
343 :     MAKEINC="include ../arch/$machine/$platform/make.inc"
344 :     fi
345 : pazsan 1.183 fi
346 : pazsan 1.184 AC_SUBST(MAKEINC)
347 : pazsan 1.183
348 : anton 1.203 AC_ARG_VAR(STACK_CACHE_REGS, [number of registers in the maximum stack cache state for gforth-fast and gforth-native (default platform-dependent).])
349 :    
350 :     test x$STACK_CACHE_REGS = x && STACK_CACHE_REGS=1
351 :     AC_DEFINE_UNQUOTED(STACK_CACHE_REGS, $STACK_CACHE_REGS,
352 :     [number of registers in the maximum stack cache state for gforth-fast and gforth-native])
353 : anton 1.151 test x$STACK_CACHE_DEFAULT_FAST = x && STACK_CACHE_DEFAULT_FAST=1
354 :     AC_DEFINE_UNQUOTED(STACK_CACHE_DEFAULT_FAST, $STACK_CACHE_DEFAULT_FAST,
355 :     [number of registers in the default stack cache state for gforth-fast and gforth-native])
356 : pazsan 1.146
357 : anton 1.173 test x$GCC_PR15242_WORKAROUND = x ||
358 :     AC_DEFINE_UNQUOTED(GCC_PR15242_WORKAROUND, $GCC_PR15242_WORKAROUND,
359 :     [force (1) or forbid (0) use of a workaround for a gcc performance bug])
360 :    
361 : anton 1.103 dnl the following macro produces a warning with autoconf-2.1
362 :     AC_CHECK_SIZEOF(char *)
363 :     case "$ac_cv_sizeof_char_p" in
364 :     2)
365 :     wordsize=16
366 :     ;;
367 :     4)
368 :     wordsize=32
369 :     ;;
370 :     8)
371 :     wordsize=64
372 :     ;;
373 :     esac
374 :    
375 : pazsan 1.183 AC_CHECK_SIZEOF(void *)
376 :     case "$ac_cv_sizeof_void_p" in
377 :     2)
378 :     vwordsize=16
379 :     ;;
380 :     4)
381 :     vwordsize=32
382 :     ;;
383 :     8)
384 :     vwordsize=64
385 :     ;;
386 :     esac
387 :    
388 : anton 1.103 AC_CHECK_SIZEOF(char)
389 :     AC_CHECK_SIZEOF(short)
390 :     AC_CHECK_SIZEOF(int)
391 :     AC_CHECK_SIZEOF(long)
392 :     AC_CHECK_SIZEOF(long long)
393 :     AC_CHECK_SIZEOF(intptr_t)
394 :     AC_CHECK_SIZEOF(int128_t)
395 : pazsan 1.144 AC_CHECK_SIZEOF(uint128_t)
396 : anton 1.103
397 :     AC_MSG_CHECKING([for a C type for cells])
398 :     ac_cv_int_type_cell=none
399 :     case "$ac_cv_sizeof_char_p" in
400 :     $ac_cv_sizeof_int)
401 :     ac_cv_int_type_cell=int
402 :     ;;
403 :     $ac_cv_sizeof_short)
404 :     ac_cv_int_type_cell=short
405 :     ;;
406 :     $ac_cv_sizeof_char)
407 :     ac_cv_int_type_cell=char
408 :     ;;
409 :     $ac_cv_sizeof_long)
410 :     ac_cv_int_type_cell=long
411 :     ;;
412 :     $ac_cv_sizeof_long_long)
413 :     ac_cv_int_type_cell="long long"
414 :     ;;
415 :     $ac_cv_sizeof_intptr_t)
416 :     ac_cv_int_type_cell="intptr_t"
417 :     ;;
418 :     esac
419 :     AC_MSG_RESULT($ac_cv_int_type_cell)
420 :     AC_DEFINE_UNQUOTED(CELL_TYPE,$ac_cv_int_type_cell,[an integer type that is as long as a pointer])
421 :    
422 : pazsan 1.153 AC_MSG_CHECKING([for a C type for wydes])
423 :     ac_cv_wyde_type_cell=none
424 :     case 2 in
425 :     $ac_cv_sizeof_int)
426 :     ac_cv_wyde_type_cell=int
427 :     ;;
428 :     $ac_cv_sizeof_short)
429 :     ac_cv_wyde_type_cell=short
430 :     ;;
431 :     $ac_cv_sizeof_char)
432 :     ac_cv_wyde_type_cell=char
433 :     ;;
434 :     $ac_cv_sizeof_long)
435 :     ac_cv_wyde_type_cell=long
436 :     ;;
437 :     $ac_cv_sizeof_long_long)
438 :     ac_cv_wyde_type_cell="long long"
439 :     ;;
440 :     $ac_cv_sizeof_intptr_t)
441 :     ac_cv_wyde_type_cell="intptr_t"
442 :     ;;
443 :     esac
444 :     AC_MSG_RESULT($ac_cv_wyde_type_cell)
445 :     AC_DEFINE_UNQUOTED(WYDE_TYPE,$ac_cv_wyde_type_cell,[an integer type that is 2 bytes long])
446 :    
447 :     AC_MSG_CHECKING([for a C type for tetrabytes])
448 :     ac_cv_tetrabyte_type_cell=none
449 :     case 4 in
450 :     $ac_cv_sizeof_int)
451 :     ac_cv_tetrabyte_type_cell=int
452 :     ;;
453 :     $ac_cv_sizeof_short)
454 :     ac_cv_tetrabyte_type_cell=short
455 :     ;;
456 :     $ac_cv_sizeof_char)
457 :     ac_cv_tetrabyte_type_cell=char
458 :     ;;
459 :     $ac_cv_sizeof_long)
460 :     ac_cv_tetrabyte_type_cell=long
461 :     ;;
462 :     $ac_cv_sizeof_long_long)
463 :     ac_cv_tetrabyte_type_cell="long long"
464 :     ;;
465 :     $ac_cv_sizeof_intptr_t)
466 :     ac_cv_tetrabyte_type_cell="intptr_t"
467 :     ;;
468 :     esac
469 :     AC_MSG_RESULT($ac_cv_tetrabyte_type_cell)
470 :     AC_DEFINE_UNQUOTED(TETRABYTE_TYPE,$ac_cv_tetrabyte_type_cell,[an integer type that is 4 bytes long])
471 :    
472 : anton 1.103 AC_MSG_CHECKING([for a C type for double-cells])
473 :     ac_cv_int_type_double_cell=none
474 :     case `expr 2 '*' "$ac_cv_sizeof_char_p"` in
475 :     $ac_cv_sizeof_short)
476 :     ac_cv_int_type_double_cell=short
477 :     ;;
478 :     $ac_cv_sizeof_int)
479 :     ac_cv_int_type_double_cell=int
480 :     ;;
481 :     $ac_cv_sizeof_long)
482 :     ac_cv_int_type_double_cell=long
483 :     ;;
484 :     $ac_cv_sizeof_long_long)
485 :     ac_cv_int_type_double_cell="long long"
486 :     ;;
487 :     $ac_cv_sizeof_intptr_t)
488 :     ac_cv_int_type_double_cell="intptr_t"
489 :     ;;
490 : anton 1.205 $ac_cv_sizeof_int128_t)
491 : anton 1.103 ac_cv_int_type_double_cell="int128_t"
492 :     ;;
493 :     esac
494 :     AC_MSG_RESULT($ac_cv_int_type_double_cell)
495 : pazsan 1.144
496 :     AC_MSG_CHECKING([for a C type for unsigned double-cells])
497 :     ac_cv_int_type_double_ucell=none
498 :     case `expr 2 '*' "$ac_cv_sizeof_char_p"` in
499 :     $ac_cv_sizeof_short)
500 :     ac_cv_int_type_double_ucell="unsigned short"
501 :     ;;
502 :     $ac_cv_sizeof_int)
503 :     ac_cv_int_type_double_ucell="unsigned int"
504 :     ;;
505 :     $ac_cv_sizeof_long)
506 :     ac_cv_int_type_double_ucell="unsigned long"
507 :     ;;
508 :     $ac_cv_sizeof_long_long)
509 :     ac_cv_int_type_double_ucell="unsigned long long"
510 :     ;;
511 :     $ac_cv_sizeof_intptr_t)
512 :     ac_cv_int_type_double_ucell="unsigned intptr_t"
513 :     ;;
514 :     $ac_cv_sizeof_uint128_t)
515 :     ac_cv_int_type_double_ucell="uint128_t"
516 :     ;;
517 :     esac
518 :     AC_MSG_RESULT($ac_cv_int_type_double_ucell)
519 :    
520 : anton 1.204 if test "$ac_cv_int_type_double_cell" != none && \
521 :     test "$ac_cv_int_type_double_ucell" != none
522 : pazsan 1.144 then
523 : anton 1.103 AC_DEFINE_UNQUOTED(DOUBLE_CELL_TYPE,$ac_cv_int_type_double_cell,[an integer type that is twice as long as a pointer])
524 : pazsan 1.144 AC_DEFINE_UNQUOTED(DOUBLE_UCELL_TYPE,$ac_cv_int_type_double_ucell,[an unsigned integer type that is twice as long as a pointer])
525 : anton 1.206 OPTS=-ll
526 :     else
527 : pazsan 1.217 if test "$ac_cv_sizeof_char_p" = 8; then
528 : anton 1.213 OPTS="-ll -noll"
529 : anton 1.206 else
530 :     OPTS=-noll
531 :     fi
532 : anton 1.103 fi
533 : anton 1.207
534 : anton 1.238 if grep FORCE_REG arch/$machine/machine.h >/dev/null; then
535 : pazsan 1.227 OPTS2=''
536 :     for i in $OPTS; do OPTS2="$OPTS2 $i-reg"; done
537 :     OPTS="$OPTS2 $OPTS"
538 : anton 1.223 else
539 :     AC_DEFINE_UNQUOTED(FORCE_REG_UNNECESSARY,,[defined if the platform does not need FORCE_REG])
540 : anton 1.207 fi
541 : anton 1.206 AC_SUBST(OPTS)
542 : anton 1.103
543 :     AC_TYPE_OFF_T
544 :     AC_CHECK_SIZEOF(off_t)
545 :     test $ac_cv_sizeof_off_t -gt $ac_cv_sizeof_char_p
546 :     ac_small_off_t=$?
547 :     AC_DEFINE_UNQUOTED(SMALL_OFF_T,$ac_small_off_t,[1 if off_t fits in a Cell])
548 : anton 1.1
549 : anton 1.109 ENGINE_FLAGS=
550 :     AC_SUBST(ENGINE_FLAGS)
551 :    
552 :     # Try if GCC understands -fno-gcse
553 :    
554 :     AC_MSG_CHECKING([if $CC understands -fno-gcse])
555 :     CFLAGS_1="$CFLAGS"
556 :     CFLAGS="$CFLAGS -fno-gcse"
557 :     AC_TRY_COMPILE(,,ac_nogcse=yes;ENGINE_FLAGS="$ENGINE_FLAGS -fno-gcse",ac_nogcse=no)
558 :     CFLAGS="$CFLAGS_1"
559 :     AC_MSG_RESULT($ac_nogcse)
560 :    
561 :     # Try if GCC understands -fno-strict-aliasing
562 :     AC_MSG_CHECKING([if $CC understands -fno-strict-aliasing])
563 :     CFLAGS_1="$CFLAGS"
564 :     CFLAGS="$CFLAGS -fno-strict-aliasing"
565 :     AC_TRY_COMPILE(,,ac_nostrictaliasing=yes;ENGINE_FLAGS="$ENGINE_FLAGS -fno-strict-aliasing",ac_nostrictaliasing=no)
566 :     CFLAGS="$CFLAGS_1"
567 :     AC_MSG_RESULT($ac_nostrictaliasing)
568 :    
569 : anton 1.123 # Try if GCC understands -fno-crossjumping
570 :     AC_MSG_CHECKING([if $CC understands -fno-crossjumping])
571 : pazsan 1.88 CFLAGS_1="$CFLAGS"
572 : anton 1.123 CFLAGS="$CFLAGS -fno-crossjumping"
573 : anton 1.125 AC_TRY_COMPILE(,,ac_nocrossjumping=yes;ENGINE_FLAGS="$ENGINE_FLAGS -fno-crossjumping",ac_nocrossjumping=no)
574 : anton 1.109 CFLAGS="$CFLAGS_1"
575 : pazsan 1.124 AC_MSG_RESULT($ac_nocrossjumping)
576 : pazsan 1.88
577 : pazsan 1.137 # Try if GCC understands -fno-reorder-blocks
578 :     AC_MSG_CHECKING([if $CC understands -fno-reorder-blocks])
579 :     CFLAGS_1="$CFLAGS"
580 :     CFLAGS="$CFLAGS -fno-reorder-blocks"
581 :     AC_TRY_COMPILE(,,ac_noreorder_blocks=yes;ENGINE_FLAGS="$ENGINE_FLAGS -fno-reorder-blocks",ac_noreorder_blocks=no)
582 :     CFLAGS="$CFLAGS_1"
583 :     AC_MSG_RESULT($ac_noreorder_blocks)
584 :    
585 : anton 1.189 # Try if GCC understands -falign-labels=1
586 :     AC_MSG_CHECKING([if $CC understands -falign-labels=1])
587 :     CFLAGS_1="$CFLAGS"
588 :     CFLAGS="$CFLAGS -falign-labels=1"
589 : anton 1.194 AC_TRY_COMPILE(,,ac_align_labels=yes;ENGINE_FLAGS="$ENGINE_FLAGS -falign-labels=1",ac_align_labels=no)
590 : anton 1.189 CFLAGS="$CFLAGS_1"
591 :     AC_MSG_RESULT($ac_align_labels)
592 :    
593 : anton 1.193 # Try if GCC understands -falign-loops=1
594 :     AC_MSG_CHECKING([if $CC understands -falign-loops=1])
595 :     CFLAGS_1="$CFLAGS"
596 :     CFLAGS="$CFLAGS -falign-loops=1"
597 : anton 1.194 AC_TRY_COMPILE(,,ac_align_loops=yes;ENGINE_FLAGS="$ENGINE_FLAGS -falign-loops=1",ac_align_loops=no)
598 : anton 1.193 CFLAGS="$CFLAGS_1"
599 :     AC_MSG_RESULT($ac_align_loops)
600 :    
601 :     # Try if GCC understands -falign-jumps=1
602 :     AC_MSG_CHECKING([if $CC understands -falign-jumps=1])
603 :     CFLAGS_1="$CFLAGS"
604 :     CFLAGS="$CFLAGS -falign-jumps=1"
605 : anton 1.194 AC_TRY_COMPILE(,,ac_align_jumps=yes;ENGINE_FLAGS="$ENGINE_FLAGS -falign-jumps=1",ac_align_jumps=no)
606 : anton 1.193 CFLAGS="$CFLAGS_1"
607 :     AC_MSG_RESULT($ac_align_jumps)
608 :    
609 : anton 1.130 # Try if GCC understands __attribute__((unused))
610 :     AC_MSG_CHECKING([how to suppress 'unused variable' warnings])
611 :     AC_TRY_COMPILE(,[int __attribute__((unused)) foo;], MAYBE_UNUSED='__attribute__((unused))',)
612 :     AC_DEFINE_UNQUOTED(MAYBE_UNUSED,$MAYBE_UNUSED,[attribute for possibly unused variables])
613 :     AC_MSG_RESULT($MAYBE_UNUSED)
614 :    
615 : anton 1.195 #try if m4 understands -s
616 :     AC_MSG_CHECKING([how to invoke m4])
617 : anton 1.196 if m4 -s /dev/null >/dev/null 2>&1; then
618 : anton 1.195 M4="m4 -s"
619 :     else
620 :     M4=m4
621 :     fi
622 :     AC_SUBST(M4)
623 :     AC_MSG_RESULT($M4)
624 :    
625 : pazsan 1.202 # Find installed Gforth
626 :     AC_MSG_CHECKING([for gforth])
627 : anton 1.215 GFORTH="`cd / && which gforth 2>/dev/null`"
628 : anton 1.240 (cd / && $GFORTH -e bye >/dev/null 2>/dev/null) || GFORTH=""
629 : anton 1.215 if test -z "$GFORTH"; then
630 : anton 1.223 PREFORTH='echo "You need to configure with a gforth in \$PATH to build this part" && false'
631 : anton 1.233 kernel_anti_dependence=''
632 : anton 1.215 else
633 : anton 1.239 PREFORTH="$GFORTH -i `cd / && $GFORTH --debug -e bye 2>&1 |grep "Opened image file: "|sed 's/Opened image file: //'`" ;
634 : anton 1.233 kernel_anti_dependence='$(kernel_fi)'
635 : anton 1.215 fi
636 :     AC_SUBST(PREFORTH)
637 : anton 1.233 AC_SUBST(kernel_anti_dependence)
638 : anton 1.215 AC_MSG_RESULT($PREFORTH)
639 : pazsan 1.202
640 : anton 1.215 #echo "machine='$machine'"
641 : anton 1.191
642 :     dnl AC_CHECK_PROG(asm_fs,asm.fs,arch/$machine/asm.fs,,$srcdir/arch/$machine)
643 :     AC_CHECK_FILE($srcdir/arch/$machine/asm.fs,[asm_fs=arch/$machine/asm.fs],)
644 : anton 1.61 AC_SUBST(asm_fs)
645 :    
646 : anton 1.191 dnl AC_CHECK_PROG(disasm_fs,disasm.fs,arch/$machine/disasm.fs,,$srcdir/arch/$machine)
647 :     AC_CHECK_FILE($srcdir/arch/$machine/disasm.fs,[disasm_fs=arch/$machine/disasm.fs],)
648 : anton 1.61 AC_SUBST(disasm_fs)
649 :    
650 : anton 1.116 AC_PATH_PROG(INSTALL_INFO,install-info,[echo '>>>>Please make info dir entry:'],$PATH:/sbin:/usr/sbin:/usr/local/sbin)
651 : anton 1.114
652 : pazsan 1.39 case "$host_os" in
653 : pazsan 1.157 *win32*)
654 :     # !!!FIXME!!! problems with cygwin and ';' as path separator
655 : anton 1.108 DIRSEP="\\\\"
656 : anton 1.127 PATHSEP=";"
657 : anton 1.142 #we want the builtins of command.com/cmd.exe and its
658 :     # handling of .com files.
659 :     #$COMSPEC contains the name of the Windows shell;
660 :     # the ./ is there, because the bash does not recognize
661 :     # absolute DOS filenames
662 :     DEFAULTSYSTEMPREFIX="./$COMSPEC /c "
663 : pazsan 1.39 ;;
664 : anton 1.97 *darwin*)
665 :     #Darwin uses some funny preprocessor by default; eliminate it:
666 : anton 1.127 AC_MSG_NOTICE([using -no-cpp-precomp on Darwin])
667 : anton 1.120 CFLAGS="$CFLAGS -no-cpp-precomp"
668 : anton 1.98 DIRSEP="/"
669 : anton 1.127 PATHSEP=":"
670 : anton 1.141 DEFAULTSYSTEMPREFIX=""
671 : anton 1.243 #the following magic value was suggested by
672 :     #http://mail.python.org/pipermail/pythonmac-sig/2005-October/015190.html
673 :     AC_DEFINE_UNQUOTED(MACOSX_DEPLOYMENT_TARGET,"10.3",[an environment variable value needed by libtool on some MacOS X versions])
674 : anton 1.98 ;;
675 : pazsan 1.246 *linux*)
676 :     DIRSEP="/"
677 :     PATHSEP=":"
678 :     DEFAULTSYSTEMPREFIX=""
679 : anton 1.250 if test -z "$LTDL_LIBRARY_PATH" -a "$wordsize" = 64; then
680 : pazsan 1.253 LTDL_LIBRARY_PATH=`/sbin/ldconfig -p |tail -n +2 |sed 's/^.* => //'|sed 's|/[[^/]]*$||'| grep 64 | sort -u | tr '\n' : | sed -e 's/:$//'`
681 : pazsan 1.246 fi
682 :     ;;
683 : pazsan 1.39 *)
684 : pazsan 1.88 DIRSEP="/"
685 : anton 1.127 PATHSEP=":"
686 : anton 1.141 DEFAULTSYSTEMPREFIX=""
687 : pazsan 1.39 ;;
688 :     esac
689 : pazsan 1.88 AC_SUBST(DIRSEP)
690 : pazsan 1.89 AC_DEFINE_UNQUOTED(DIRSEP,'$DIRSEP',[a directory separator character])
691 : anton 1.127 AC_SUBST(PATHSEP)
692 :     AC_DEFINE_UNQUOTED(PATHSEP,'$PATHSEP',[a path separator character])
693 : anton 1.141 AC_SUBST(DEFAULTSYSTEMPREFIX)
694 :     AC_DEFINE_UNQUOTED(DEFAULTSYSTEMPREFIX,"$DEFAULTSYSTEMPREFIX",[default for environment variable GFORTHSYSTEMPREFIX])
695 : anton 1.250 if test -n "$LTDL_LIBRARY_PATH"; then
696 :     AC_DEFINE_UNQUOTED(LTDL_LIBRARY_PATH,"$LTDL_LIBRARY_PATH",[Define LTDL_LIBRARY_PATH for 64 bit Linux])
697 :     fi
698 : pazsan 1.39
699 : anton 1.170 #work around SELinux brain damage (from Andrew Haley <12t8f3jakb74g2c@news.supernews.com>)
700 : anton 1.172 #This magic incantation seems to be completely undocumented.
701 :     AC_CHECK_PROG([MASSAGE_EXE],[chcon],[chcon -t unconfined_execmem_exec_t],[true])
702 : anton 1.170
703 : anton 1.1 dnl Now a little support for DOS/DJGCC
704 : pazsan 1.30 AC_SUBST(GFORTH_EXE)
705 : anton 1.208 GFORTH_EXE="true"
706 : anton 1.48 AC_SUBST(GFORTHFAST_EXE)
707 : anton 1.208 GFORTHFAST_EXE="true"
708 : anton 1.83 AC_SUBST(GFORTHITC_EXE)
709 : anton 1.208 GFORTHITC_EXE="true"
710 : pazsan 1.30 AC_SUBST(GFORTHDITC_EXE)
711 : anton 1.208 GFORTHDITC_EXE="true"
712 : anton 1.27
713 :     AC_SUBST(FORTHSIZES)
714 : anton 1.24
715 : anton 1.104 dnl if test "$PEEPHOLE" = "yes"
716 :     dnl then
717 :     dnl PEEPHOLEFLAG="true"
718 :     dnl AC_DEFINE(HAS_PEEPHOLE,,[Define if you want to use peephole optimization])
719 :     dnl else
720 :     dnl PEEPHOLEFLAG="false"
721 :     dnl fi
722 :     PEEPHOLEFLAG="true"
723 : pazsan 1.79 AC_SUBST(PEEPHOLEFLAG)
724 :    
725 : anton 1.1 dnl copy commands for systems that don't have links
726 : pazsan 1.29 AC_SUBST(LINK_KERNL)
727 :     LINK_KERNL=""
728 : anton 1.1
729 :     #if test $host_os=dos
730 :     #then
731 :     # echo Configuring for DOS!!!
732 :     # MAKE_EXE="coff2exe gforth"
733 : pazsan 1.29 # LINK_KERNL='$(CP) kernl32l.fi kernel.fi'
734 : anton 1.1 #fi
735 :    
736 :     dnl the following macro produces a warning with autoconf-2.1
737 :     AC_C_BIGENDIAN
738 : pazsan 1.23 AC_SUBST(KERNEL)
739 : anton 1.1 dnl ac_cv_c_bigendian is an undocumented variable of autoconf-2.1
740 : pazsan 1.256 if test $ac_cv_c_bigendian != no; then
741 : anton 1.1 bytesex=b
742 : pazsan 1.23 KERNEL="kernl16b.fi kernl16l.fi kernl32b.fi kernl32l.fi kernl64b.fi kernl64l.fi"
743 : anton 1.1 else
744 :     bytesex=l
745 : pazsan 1.23 KERNEL="kernl16l.fi kernl16b.fi kernl32l.fi kernl32b.fi kernl64l.fi kernl64b.fi"
746 : anton 1.1 fi
747 :    
748 : anton 1.91 #check how to do asm(".skip 16")
749 : anton 1.169 #echo "CFLAGS=$CFLAGS"
750 :     #echo "ac_link=$ac_link"
751 : anton 1.92 AC_MSG_CHECKING([if and how we can waste code space])
752 : anton 1.136 if test -z "$skipcode"; then
753 : anton 1.148 skipcode=no
754 :     CFLAGS_1="$CFLAGS"
755 :     CFLAGS="$CFLAGS $ENGINE_FLAGS"
756 : anton 1.136 for i in ".skip 16" ".block 16" ".org .+16" ".=.+16" ".space 16"
757 :     do
758 : anton 1.91 AC_TRY_RUN(
759 : anton 1.136 [int foo(int,int,int);
760 : anton 1.91 main()
761 :     {
762 : anton 1.136 exit(foo(0,0,0)!=16);
763 : anton 1.91 }
764 : anton 1.136 int foo(int x, int y, int z)
765 : anton 1.91 {
766 : anton 1.136 static void *labels[]={&&label1, &&label2};
767 : anton 1.91 if (x) {
768 : anton 1.136 y++; /* workaround for http://gcc.gnu.org/bugzilla/show_bug.cgi?id=12108 */
769 : anton 1.91 label1:
770 : anton 1.148 asm("$i"); /* or ".space 16" or somesuch */
771 : anton 1.136 label2: ;
772 :     }
773 :     {
774 :     if (y) goto *labels[z]; /* workaround for gcc PR12108 */
775 :     return labels[1]-labels[0];
776 : anton 1.91 }
777 : anton 1.136 }]
778 : anton 1.92 ,skipcode=$i; break
779 :     ,,)
780 : anton 1.136 done
781 : anton 1.148 CFLAGS=$CFLAGS_1
782 : anton 1.136 fi
783 : anton 1.92 AC_MSG_RESULT($skipcode)
784 :     if test "$skipcode" = no
785 :     then
786 : anton 1.136 if test -z $no_dynamic_default; then
787 :     no_dynamic_default=1
788 :     AC_MSG_WARN(Disabling default dynamic native code generation)
789 :     fi
790 : anton 1.92 AC_DEFINE_UNQUOTED(SKIP16,((void)0),statement for skipping 16 bytes)
791 :     else
792 :     AC_DEFINE_UNQUOTED(SKIP16,asm("$skipcode"),statement for skipping 16 bytes)
793 :     fi
794 : anton 1.91
795 : anton 1.174 AC_MSG_CHECKING([if and how we can do comments in asm statements])
796 :     #the point here is to get asm statements that look different to
797 :     #gcc's "optimizer"
798 :     if test -z "$asmcomment"; then
799 :     asmcomment=no
800 :     CFLAGS_1="$CFLAGS"
801 :     CFLAGS="$CFLAGS $ENGINE_FLAGS"
802 : anton 1.176 for i in '"# "' '"! "' '"; "'; do
803 : anton 1.174 AC_TRY_COMPILE(,[asm($i"fluffystunk");],asmcomment=$i; break,)
804 :     done
805 :     CFLAGS=$CFLAGS_1
806 :     fi
807 :     AC_MSG_RESULT($asmcomment)
808 :     if test "$asmcomment" != no
809 :     then
810 :     AC_DEFINE_UNQUOTED(ASMCOMMENT,$asmcomment,[assembler comment start string])
811 :     fi
812 :    
813 : anton 1.136 test "$no_dynamic_default" || no_dynamic_default=0
814 : anton 1.92 AC_DEFINE_UNQUOTED(NO_DYNAMIC_DEFAULT,$no_dynamic_default,default value for no_dynamic)
815 : anton 1.91
816 : anton 1.1 dnl Checks for programs.
817 :     AC_PROG_LN_S
818 : anton 1.95 AC_PROG_INSTALL
819 : pazsan 1.163 AC_CHECK_PROGS(TEXI2DVI,texi2dvi4a2ps texi2dvi)
820 : anton 1.1
821 : anton 1.198 dnl MacOS X has a libtool that does something else
822 :     AC_CHECK_PROGS(GNU_LIBTOOL,glibtool libtool)
823 :    
824 : anton 1.1 dnl Checks for library functions
825 : anton 1.2 dnl This check is just for making later checks link with libm.
826 :     dnl using sin here is no good idea since it is built-into gcc and typechecked
827 :     AC_CHECK_LIB(m,asin)
828 : anton 1.225 AC_CHECK_LIB(ltdl,lt_dlinit)
829 : anton 1.235 #check for libffi 2.x
830 : anton 1.237 AC_CHECK_HEADER(ffi.h,FFI_H_NAME=ffi.h,)
831 :     if test -z "$FFI_H_NAME"; then
832 :     AC_CHECK_HEADER(ffi/ffi.h,FFI_H_NAME=ffi/ffi.h,)
833 :     fi
834 :     AC_SUBST(FFI_H_NAME)
835 : anton 1.235 AC_CHECK_LIB(ffi,ffi_call)
836 : anton 1.241 if test -n "$FFI_H_NAME" -a $ac_cv_lib_ffi_ffi_call = yes
837 : anton 1.235 then
838 :     LIBFFIFLAG="true"
839 : anton 1.236 LIBCC_BUILD_SRC="$LIBCC_BUILD_SRC libffi.fs"
840 : anton 1.235 else
841 :     LIBFFIFLAG="false"
842 :     fi
843 :     #check for ffcall libraries
844 :     #unfortunately, these four calls are separated out into a library each.
845 :     AC_CHECK_LIB(avcall,__builtin_avcall)
846 : pazsan 1.234 dnl AC_CHECK_LIB(callback,__vacall_r)
847 :     dnl AC_CHECK_LIB(vacall,vacall)
848 :     dnl AC_CHECK_LIB(trampoline,alloc_trampoline)
849 : anton 1.235 if test $ac_cv_lib_avcall___builtin_avcall = yes; then
850 :     FFCALLFLAG="true"
851 : anton 1.236 LIBCC_BUILD_SRC="$LIBCC_BUILD_SRC fflib.fs"
852 : anton 1.235 else
853 :     FFCALLFLAG="false"
854 :     fi
855 :     if test $LIBFFIFLAG = false -a $FFCALLFLAG = false; then
856 :     AC_MSG_WARN([The (old) lib.fs foreign function interface needs either libffi or the ffcall libraries])
857 :     fi
858 :     AC_SUBST(LIBFFIFLAG)
859 :     AC_SUBST(FFCALLFLAG)
860 : anton 1.236 AC_SUBST(LIBCC_BUILD_SRC)
861 : pazsan 1.32 if test "$host_os" != "nextstep3"
862 :     then
863 :     AC_FUNC_MEMCMP
864 :     fi
865 : pazsan 1.25 AC_REPLACE_FUNCS(memmove strtoul pow10 strerror strsignal atanh)
866 : anton 1.97 AC_FUNC_FSEEKO
867 : anton 1.186 AC_CHECK_FUNCS(ftello dlopen sys_siglist getrusage nanosleep)
868 : anton 1.111 AC_CHECK_TYPES(stack_t,,,[#include <signal.h>])
869 : anton 1.19 AC_DECL_SYS_SIGLIST
870 : anton 1.138 AC_CHECK_FUNC(getopt_long,[true],[AC_LIBOBJ(getopt) AC_LIBOBJ(getopt1)])
871 : anton 1.90 AC_CHECK_FUNCS(expm1 log1p)
872 :     AC_REPLACE_FUNCS(rint ecvt)
873 : anton 1.1 dnl No check for select, because our replacement is no good under
874 :     dnl anything but DOS
875 : anton 1.255 AC_CHECK_HEADERS(sys/mman.h fnmatch.h alloca.h wchar.h)
876 : anton 1.63 AC_FUNC_FNMATCH
877 : pazsan 1.87 test $ac_cv_func_fnmatch_works = yes || AC_LIBOBJ(fnmatch)
878 : anton 1.255 AC_CHECK_FUNCS(mmap sysconf getpagesize wcwidth)
879 : anton 1.34 AM_PATH_LISPDIR
880 : anton 1.1
881 : pazsan 1.183 kernel_fi=kernl${vwordsize}${bytesex}.fi
882 : pazsan 1.178 include_fi=kernl${wordsize}${bytesex}${EC}.fi
883 : pazsan 1.23 AC_SUBST(kernel_fi)
884 : pazsan 1.178 AC_SUBST(include_fi)
885 : jwilke 1.50
886 : anton 1.76 #this breaks bindists
887 :     #dnl replace srource directory by absolute value
888 :     #if test $srcdir = "."; then srcdir=`pwd`
889 :     #fi
890 : anton 1.8
891 : anton 1.34 AC_SUBST(machine)
892 : anton 1.95 AC_CONFIG_FILES([
893 : anton 1.31 Makefile
894 : pazsan 1.45 Makedist
895 : anton 1.43 gforthmi
896 : anton 1.80 vmgen
897 : pazsan 1.79 machpc.fs
898 : pazsan 1.159 envos.fs
899 : anton 1.223 preforth
900 : anton 1.35 engine/Makefile
901 : anton 1.188 engine/libcc.h
902 : pazsan 1.161 doc/version.texi
903 :     build-ec ])
904 : anton 1.95 AC_CONFIG_COMMANDS([stamp-h],[[echo timestamp > stamp-h
905 : anton 1.43 chmod +x gforthmi
906 : anton 1.80 chmod +x vmgen
907 : pazsan 1.162 chmod +x build-ec
908 : anton 1.223 chmod +x preforth
909 : anton 1.188 test -d kernel||mkdir kernel
910 :     $srcdir/mkinstalldirs include/gforth/$PACKAGE_VERSION
911 : anton 1.199 ln -sf ../../../engine/config.h ../../../engine/libcc.h include/gforth/$PACKAGE_VERSION]],[[PACKAGE_VERSION=$PACKAGE_VERSION]])
912 : anton 1.95 AC_OUTPUT
913 : anton 1.44

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