[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 1.259 AC_INIT([gforth],[0.6.9-20081026],[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 1.259 UPDATED="October 26, 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 : anton 1.260 AC_LIBOBJ(../arch/arm/cacheflush-linux)
208 : dvdkhlng 1.212 ;;
209 :     *)
210 :     no_dynamic_default=1
211 : anton 1.260 AC_LIBOBJ(../arch/arm/cacheflush0)
212 : dvdkhlng 1.212 AC_MSG_WARN([No I-cache flush code known, disabling dynamic native code generation])
213 :     ;;
214 :     esac
215 : anton 1.260 else
216 :     AC_LIBOBJ(../$arm_cacheflush)
217 :     test $srcdir = . || AC_MSG_WARN([setting arm_cacheflush requires building in the source directory])
218 : anton 1.136 fi
219 : anton 1.177 #longer skipcodes lead to problems on ARM, and it uses
220 :     #only 4-byte alignment anyway
221 :     test "$skipcode" || skipcode="nop"
222 : anton 1.136 ;;
223 : anton 1.1 hppa*)
224 : anton 1.34 machine=hppa
225 : pazsan 1.87 AC_LIBOBJ(../arch/hppa/cache)
226 : anton 1.134 #-N needed for --dynamic <M4U3b.3790$9d.317@news.cpqcorp.net>
227 :     LDFLAGS="$LDFLAGS -Xlinker -N"
228 : anton 1.47 LIBS="$LIBS -L/lib/pa1.1/"
229 : anton 1.1 ;;
230 :     sparc*)
231 : anton 1.34 machine=sparc
232 : anton 1.1 ;;
233 : anton 1.31 i386)
234 : anton 1.34 machine=386
235 : anton 1.189 CFLAGS="$CFLAGS -fomit-frame-pointer -fforce-addr"
236 : anton 1.31 ;;
237 :     i486)
238 : anton 1.34 machine=386
239 : anton 1.189 CFLAGS="$CFLAGS -fomit-frame-pointer -fforce-addr -m486"
240 : anton 1.31 ;;
241 : anton 1.77 i*86)
242 : anton 1.34 machine=386
243 : anton 1.189 CFLAGS="$CFLAGS -fomit-frame-pointer -fforce-addr"
244 : pazsan 1.56 CFLAGS_1="$CFLAGS"
245 : pazsan 1.87 CFLAGS="$CFLAGS -march=pentium"
246 : pazsan 1.56 AC_TRY_COMPILE(,,,CFLAGS="$CFLAGS_1 -m486")
247 : anton 1.1 ;;
248 : anton 1.133 x86_64)
249 : pazsan 1.192 case $CC
250 :     in
251 :     *-m32*)
252 :     machine=386
253 :     CFLAGS="$CFLAGS -fomit-frame-pointer -fforce-addr"
254 :     CFLAGS_1="$CFLAGS"
255 :     CFLAGS="$CFLAGS -march=athlon64"
256 :     ;;
257 :     *)
258 :     machine=amd64
259 :     ;;
260 :     esac
261 : anton 1.133 ;;
262 : anton 1.136 ia64*)
263 :     machine=ia64
264 :     AC_LIBOBJ(../arch/ia64/flush_icache_block)
265 :     test "$skipcode" || skipcode="nop.i 0"
266 :     #".skip 16" passes the test below,
267 :     # but gives an assembler error in engine
268 :     ;;
269 : pazsan 1.26 m68k)
270 : anton 1.34 machine=m68k
271 : pazsan 1.32 CFLAGS="$CFLAGS -fomit-frame-pointer"
272 :     if test "$host_os" = "nextstep3"
273 :     then
274 : pazsan 1.87 AC_LIBOBJ(termios)
275 : pazsan 1.32 fi
276 : pazsan 1.26 ;;
277 : anton 1.1 mips*)
278 : anton 1.34 machine=mips
279 : anton 1.92 #dynamic native code has the following problems on MIPS:
280 :     #
281 :     #1) J/JAL seems relocatable, but is are only
282 :     #relocatable within a 256MB-segment. While we try to
283 :     #get the linker to arrange this, there is no guarantee
284 :     #that this will succeed (and if the user uses a lot of
285 :     #memory, it is likely to fail).
286 :     #
287 :     #2) The way we generate dynamic native code may
288 :     #violate MIPS architectural restrictions (in
289 :     #particular, the delay slots of LW, MFLO, etc.)
290 :     #
291 :     #Therefore we disable dynamic native code by default:
292 : anton 1.255 if test -z "$no_dynamic_default"; then
293 : anton 1.136 no_dynamic_default=1
294 :     AC_MSG_WARN([Disabling default dynamic native code generation (relocation and delay slot issues)])
295 :     fi
296 : anton 1.1 ;;
297 : pazsan 1.9 alpha*)
298 : anton 1.34 machine=alpha
299 : anton 1.58 #full IEEE FP support for more uniformity across platforms:
300 :     CFLAGS="$CFLAGS -mieee"
301 : pazsan 1.9 ;;
302 : anton 1.69 power*|rs6000)
303 : anton 1.34 machine=power
304 : anton 1.138 AC_CHECK_FUNC(_sync_cache_range,[true],[AC_LIBOBJ(../arch/power/_sync_cache_range)])
305 : anton 1.103 #long long is broken on (at least) gcc-2.95.* for PPC
306 : anton 1.165 test x$ac_cv_sizeof_long_long = x &&
307 : anton 1.238 ($CC -v 2>&1 |grep 'gcc version 2.95' >/dev/null) &&
308 : anton 1.165 ac_cv_sizeof_long_long=0
309 : anton 1.203 #The only architecture with enough callee-saved registers
310 :     test x$STACK_CACHE_REGS = x && STACK_CACHE_REGS=3
311 :     #or use 2, hardly slower at run-time and starts up faster
312 : anton 1.31 ;;
313 : anton 1.1 *)
314 : anton 1.92 AC_MSG_WARN([Using a generic machine description])
315 :     AC_MSG_WARN([Assuming C floats and doubles are IEEE floats and doubles (for SF@ DF@ SF! DF!)])
316 :     AC_MSG_WARN([FLUSH-ICACHE will do nothing, so END-CODE may not work properly!])
317 : anton 1.34 machine=generic
318 : anton 1.97 #I-cache flushing would be needed for dynamic code generation
319 : anton 1.136 if test -z $no_dynamic_default; then
320 :     no_dynamic_default=1
321 :     AC_MSG_WARN([No I-cache flush code known, disabling dynamic native code generation])
322 :     fi
323 : anton 1.1 esac
324 : anton 1.10 AC_SUBST(host)
325 : anton 1.151
326 : pazsan 1.184 MAKEINC=""
327 :    
328 :     echo "Check for arch/$machine/$platform/gforth.ld ($EC_MODE)"
329 : pazsan 1.183 if test x$EC_MODE = xtrue
330 :     then
331 : pazsan 1.184 echo "Check for arch/$machine/$platform/gforth.ld"
332 :     if test -f arch/$machine/$platform/gforth.ld
333 : pazsan 1.183 then
334 : pazsan 1.184 LDFLAGS="-T ../arch/$machine/$platform/gforth.ld -Map \$@.map -cref --gc-sections $LDFLAGS"
335 :     if test x$platform = xnxt; then
336 : 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 $LIBS"
337 :     fi
338 :     fi
339 : pazsan 1.184 if test -f arch/$machine/$platform/make.inc
340 :     then
341 :     MAKEINC="include ../arch/$machine/$platform/make.inc"
342 :     fi
343 : pazsan 1.183 fi
344 : pazsan 1.184 AC_SUBST(MAKEINC)
345 : pazsan 1.183
346 : anton 1.203 AC_ARG_VAR(STACK_CACHE_REGS, [number of registers in the maximum stack cache state for gforth-fast and gforth-native (default platform-dependent).])
347 :    
348 :     test x$STACK_CACHE_REGS = x && STACK_CACHE_REGS=1
349 :     AC_DEFINE_UNQUOTED(STACK_CACHE_REGS, $STACK_CACHE_REGS,
350 :     [number of registers in the maximum stack cache state for gforth-fast and gforth-native])
351 : anton 1.151 test x$STACK_CACHE_DEFAULT_FAST = x && STACK_CACHE_DEFAULT_FAST=1
352 :     AC_DEFINE_UNQUOTED(STACK_CACHE_DEFAULT_FAST, $STACK_CACHE_DEFAULT_FAST,
353 :     [number of registers in the default stack cache state for gforth-fast and gforth-native])
354 : pazsan 1.146
355 : anton 1.173 test x$GCC_PR15242_WORKAROUND = x ||
356 :     AC_DEFINE_UNQUOTED(GCC_PR15242_WORKAROUND, $GCC_PR15242_WORKAROUND,
357 :     [force (1) or forbid (0) use of a workaround for a gcc performance bug])
358 :    
359 : anton 1.103 dnl the following macro produces a warning with autoconf-2.1
360 :     AC_CHECK_SIZEOF(char *)
361 :     case "$ac_cv_sizeof_char_p" in
362 :     2)
363 :     wordsize=16
364 :     ;;
365 :     4)
366 :     wordsize=32
367 :     ;;
368 :     8)
369 :     wordsize=64
370 :     ;;
371 :     esac
372 :    
373 : pazsan 1.183 AC_CHECK_SIZEOF(void *)
374 :     case "$ac_cv_sizeof_void_p" in
375 :     2)
376 :     vwordsize=16
377 :     ;;
378 :     4)
379 :     vwordsize=32
380 :     ;;
381 :     8)
382 :     vwordsize=64
383 :     ;;
384 :     esac
385 :    
386 : anton 1.103 AC_CHECK_SIZEOF(char)
387 :     AC_CHECK_SIZEOF(short)
388 :     AC_CHECK_SIZEOF(int)
389 :     AC_CHECK_SIZEOF(long)
390 :     AC_CHECK_SIZEOF(long long)
391 :     AC_CHECK_SIZEOF(intptr_t)
392 :     AC_CHECK_SIZEOF(int128_t)
393 : pazsan 1.144 AC_CHECK_SIZEOF(uint128_t)
394 : anton 1.103
395 :     AC_MSG_CHECKING([for a C type for cells])
396 :     ac_cv_int_type_cell=none
397 :     case "$ac_cv_sizeof_char_p" in
398 :     $ac_cv_sizeof_int)
399 :     ac_cv_int_type_cell=int
400 :     ;;
401 :     $ac_cv_sizeof_short)
402 :     ac_cv_int_type_cell=short
403 :     ;;
404 :     $ac_cv_sizeof_char)
405 :     ac_cv_int_type_cell=char
406 :     ;;
407 :     $ac_cv_sizeof_long)
408 :     ac_cv_int_type_cell=long
409 :     ;;
410 :     $ac_cv_sizeof_long_long)
411 :     ac_cv_int_type_cell="long long"
412 :     ;;
413 :     $ac_cv_sizeof_intptr_t)
414 :     ac_cv_int_type_cell="intptr_t"
415 :     ;;
416 :     esac
417 :     AC_MSG_RESULT($ac_cv_int_type_cell)
418 :     AC_DEFINE_UNQUOTED(CELL_TYPE,$ac_cv_int_type_cell,[an integer type that is as long as a pointer])
419 :    
420 : pazsan 1.153 AC_MSG_CHECKING([for a C type for wydes])
421 :     ac_cv_wyde_type_cell=none
422 :     case 2 in
423 :     $ac_cv_sizeof_int)
424 :     ac_cv_wyde_type_cell=int
425 :     ;;
426 :     $ac_cv_sizeof_short)
427 :     ac_cv_wyde_type_cell=short
428 :     ;;
429 :     $ac_cv_sizeof_char)
430 :     ac_cv_wyde_type_cell=char
431 :     ;;
432 :     $ac_cv_sizeof_long)
433 :     ac_cv_wyde_type_cell=long
434 :     ;;
435 :     $ac_cv_sizeof_long_long)
436 :     ac_cv_wyde_type_cell="long long"
437 :     ;;
438 :     $ac_cv_sizeof_intptr_t)
439 :     ac_cv_wyde_type_cell="intptr_t"
440 :     ;;
441 :     esac
442 :     AC_MSG_RESULT($ac_cv_wyde_type_cell)
443 :     AC_DEFINE_UNQUOTED(WYDE_TYPE,$ac_cv_wyde_type_cell,[an integer type that is 2 bytes long])
444 :    
445 :     AC_MSG_CHECKING([for a C type for tetrabytes])
446 :     ac_cv_tetrabyte_type_cell=none
447 :     case 4 in
448 :     $ac_cv_sizeof_int)
449 :     ac_cv_tetrabyte_type_cell=int
450 :     ;;
451 :     $ac_cv_sizeof_short)
452 :     ac_cv_tetrabyte_type_cell=short
453 :     ;;
454 :     $ac_cv_sizeof_char)
455 :     ac_cv_tetrabyte_type_cell=char
456 :     ;;
457 :     $ac_cv_sizeof_long)
458 :     ac_cv_tetrabyte_type_cell=long
459 :     ;;
460 :     $ac_cv_sizeof_long_long)
461 :     ac_cv_tetrabyte_type_cell="long long"
462 :     ;;
463 :     $ac_cv_sizeof_intptr_t)
464 :     ac_cv_tetrabyte_type_cell="intptr_t"
465 :     ;;
466 :     esac
467 :     AC_MSG_RESULT($ac_cv_tetrabyte_type_cell)
468 :     AC_DEFINE_UNQUOTED(TETRABYTE_TYPE,$ac_cv_tetrabyte_type_cell,[an integer type that is 4 bytes long])
469 :    
470 : anton 1.103 AC_MSG_CHECKING([for a C type for double-cells])
471 :     ac_cv_int_type_double_cell=none
472 :     case `expr 2 '*' "$ac_cv_sizeof_char_p"` in
473 :     $ac_cv_sizeof_short)
474 :     ac_cv_int_type_double_cell=short
475 :     ;;
476 :     $ac_cv_sizeof_int)
477 :     ac_cv_int_type_double_cell=int
478 :     ;;
479 :     $ac_cv_sizeof_long)
480 :     ac_cv_int_type_double_cell=long
481 :     ;;
482 :     $ac_cv_sizeof_long_long)
483 :     ac_cv_int_type_double_cell="long long"
484 :     ;;
485 :     $ac_cv_sizeof_intptr_t)
486 :     ac_cv_int_type_double_cell="intptr_t"
487 :     ;;
488 : anton 1.205 $ac_cv_sizeof_int128_t)
489 : anton 1.103 ac_cv_int_type_double_cell="int128_t"
490 :     ;;
491 :     esac
492 :     AC_MSG_RESULT($ac_cv_int_type_double_cell)
493 : pazsan 1.144
494 :     AC_MSG_CHECKING([for a C type for unsigned double-cells])
495 :     ac_cv_int_type_double_ucell=none
496 :     case `expr 2 '*' "$ac_cv_sizeof_char_p"` in
497 :     $ac_cv_sizeof_short)
498 :     ac_cv_int_type_double_ucell="unsigned short"
499 :     ;;
500 :     $ac_cv_sizeof_int)
501 :     ac_cv_int_type_double_ucell="unsigned int"
502 :     ;;
503 :     $ac_cv_sizeof_long)
504 :     ac_cv_int_type_double_ucell="unsigned long"
505 :     ;;
506 :     $ac_cv_sizeof_long_long)
507 :     ac_cv_int_type_double_ucell="unsigned long long"
508 :     ;;
509 :     $ac_cv_sizeof_intptr_t)
510 :     ac_cv_int_type_double_ucell="unsigned intptr_t"
511 :     ;;
512 :     $ac_cv_sizeof_uint128_t)
513 :     ac_cv_int_type_double_ucell="uint128_t"
514 :     ;;
515 :     esac
516 :     AC_MSG_RESULT($ac_cv_int_type_double_ucell)
517 :    
518 : anton 1.204 if test "$ac_cv_int_type_double_cell" != none && \
519 :     test "$ac_cv_int_type_double_ucell" != none
520 : pazsan 1.144 then
521 : anton 1.103 AC_DEFINE_UNQUOTED(DOUBLE_CELL_TYPE,$ac_cv_int_type_double_cell,[an integer type that is twice as long as a pointer])
522 : pazsan 1.144 AC_DEFINE_UNQUOTED(DOUBLE_UCELL_TYPE,$ac_cv_int_type_double_ucell,[an unsigned integer type that is twice as long as a pointer])
523 : anton 1.206 OPTS=-ll
524 :     else
525 : pazsan 1.217 if test "$ac_cv_sizeof_char_p" = 8; then
526 : anton 1.213 OPTS="-ll -noll"
527 : anton 1.206 else
528 :     OPTS=-noll
529 :     fi
530 : anton 1.103 fi
531 : anton 1.207
532 : anton 1.258 if grep FORCE_REG $srcdir/arch/$machine/machine.h >/dev/null; then
533 : pazsan 1.227 OPTS2=''
534 :     for i in $OPTS; do OPTS2="$OPTS2 $i-reg"; done
535 :     OPTS="$OPTS2 $OPTS"
536 : anton 1.223 else
537 :     AC_DEFINE_UNQUOTED(FORCE_REG_UNNECESSARY,,[defined if the platform does not need FORCE_REG])
538 : anton 1.207 fi
539 : anton 1.206 AC_SUBST(OPTS)
540 : anton 1.103
541 :     AC_TYPE_OFF_T
542 :     AC_CHECK_SIZEOF(off_t)
543 :     test $ac_cv_sizeof_off_t -gt $ac_cv_sizeof_char_p
544 :     ac_small_off_t=$?
545 :     AC_DEFINE_UNQUOTED(SMALL_OFF_T,$ac_small_off_t,[1 if off_t fits in a Cell])
546 : anton 1.1
547 : anton 1.109 ENGINE_FLAGS=
548 :     AC_SUBST(ENGINE_FLAGS)
549 :    
550 :     # Try if GCC understands -fno-gcse
551 :    
552 :     AC_MSG_CHECKING([if $CC understands -fno-gcse])
553 :     CFLAGS_1="$CFLAGS"
554 :     CFLAGS="$CFLAGS -fno-gcse"
555 :     AC_TRY_COMPILE(,,ac_nogcse=yes;ENGINE_FLAGS="$ENGINE_FLAGS -fno-gcse",ac_nogcse=no)
556 :     CFLAGS="$CFLAGS_1"
557 :     AC_MSG_RESULT($ac_nogcse)
558 :    
559 :     # Try if GCC understands -fno-strict-aliasing
560 :     AC_MSG_CHECKING([if $CC understands -fno-strict-aliasing])
561 :     CFLAGS_1="$CFLAGS"
562 :     CFLAGS="$CFLAGS -fno-strict-aliasing"
563 :     AC_TRY_COMPILE(,,ac_nostrictaliasing=yes;ENGINE_FLAGS="$ENGINE_FLAGS -fno-strict-aliasing",ac_nostrictaliasing=no)
564 :     CFLAGS="$CFLAGS_1"
565 :     AC_MSG_RESULT($ac_nostrictaliasing)
566 :    
567 : anton 1.123 # Try if GCC understands -fno-crossjumping
568 :     AC_MSG_CHECKING([if $CC understands -fno-crossjumping])
569 : pazsan 1.88 CFLAGS_1="$CFLAGS"
570 : anton 1.123 CFLAGS="$CFLAGS -fno-crossjumping"
571 : anton 1.125 AC_TRY_COMPILE(,,ac_nocrossjumping=yes;ENGINE_FLAGS="$ENGINE_FLAGS -fno-crossjumping",ac_nocrossjumping=no)
572 : anton 1.109 CFLAGS="$CFLAGS_1"
573 : pazsan 1.124 AC_MSG_RESULT($ac_nocrossjumping)
574 : pazsan 1.88
575 : pazsan 1.137 # Try if GCC understands -fno-reorder-blocks
576 :     AC_MSG_CHECKING([if $CC understands -fno-reorder-blocks])
577 :     CFLAGS_1="$CFLAGS"
578 :     CFLAGS="$CFLAGS -fno-reorder-blocks"
579 :     AC_TRY_COMPILE(,,ac_noreorder_blocks=yes;ENGINE_FLAGS="$ENGINE_FLAGS -fno-reorder-blocks",ac_noreorder_blocks=no)
580 :     CFLAGS="$CFLAGS_1"
581 :     AC_MSG_RESULT($ac_noreorder_blocks)
582 :    
583 : anton 1.189 # Try if GCC understands -falign-labels=1
584 :     AC_MSG_CHECKING([if $CC understands -falign-labels=1])
585 :     CFLAGS_1="$CFLAGS"
586 :     CFLAGS="$CFLAGS -falign-labels=1"
587 : anton 1.194 AC_TRY_COMPILE(,,ac_align_labels=yes;ENGINE_FLAGS="$ENGINE_FLAGS -falign-labels=1",ac_align_labels=no)
588 : anton 1.189 CFLAGS="$CFLAGS_1"
589 :     AC_MSG_RESULT($ac_align_labels)
590 :    
591 : anton 1.193 # Try if GCC understands -falign-loops=1
592 :     AC_MSG_CHECKING([if $CC understands -falign-loops=1])
593 :     CFLAGS_1="$CFLAGS"
594 :     CFLAGS="$CFLAGS -falign-loops=1"
595 : anton 1.194 AC_TRY_COMPILE(,,ac_align_loops=yes;ENGINE_FLAGS="$ENGINE_FLAGS -falign-loops=1",ac_align_loops=no)
596 : anton 1.193 CFLAGS="$CFLAGS_1"
597 :     AC_MSG_RESULT($ac_align_loops)
598 :    
599 :     # Try if GCC understands -falign-jumps=1
600 :     AC_MSG_CHECKING([if $CC understands -falign-jumps=1])
601 :     CFLAGS_1="$CFLAGS"
602 :     CFLAGS="$CFLAGS -falign-jumps=1"
603 : anton 1.194 AC_TRY_COMPILE(,,ac_align_jumps=yes;ENGINE_FLAGS="$ENGINE_FLAGS -falign-jumps=1",ac_align_jumps=no)
604 : anton 1.193 CFLAGS="$CFLAGS_1"
605 :     AC_MSG_RESULT($ac_align_jumps)
606 :    
607 : anton 1.130 # Try if GCC understands __attribute__((unused))
608 :     AC_MSG_CHECKING([how to suppress 'unused variable' warnings])
609 :     AC_TRY_COMPILE(,[int __attribute__((unused)) foo;], MAYBE_UNUSED='__attribute__((unused))',)
610 :     AC_DEFINE_UNQUOTED(MAYBE_UNUSED,$MAYBE_UNUSED,[attribute for possibly unused variables])
611 :     AC_MSG_RESULT($MAYBE_UNUSED)
612 :    
613 : anton 1.195 #try if m4 understands -s
614 :     AC_MSG_CHECKING([how to invoke m4])
615 : anton 1.196 if m4 -s /dev/null >/dev/null 2>&1; then
616 : anton 1.195 M4="m4 -s"
617 :     else
618 :     M4=m4
619 :     fi
620 :     AC_SUBST(M4)
621 :     AC_MSG_RESULT($M4)
622 :    
623 : pazsan 1.202 # Find installed Gforth
624 :     AC_MSG_CHECKING([for gforth])
625 : anton 1.215 GFORTH="`cd / && which gforth 2>/dev/null`"
626 : anton 1.257 #the "$srcdir" = "." test defends agains the "../" bug in gforth-0.6.2
627 :     (cd / && $GFORTH -e bye >/dev/null 2>/dev/null && test "$srcdir" = ".") || GFORTH=""
628 : anton 1.215 if test -z "$GFORTH"; then
629 : anton 1.223 PREFORTH='echo "You need to configure with a gforth in \$PATH to build this part" && false'
630 : anton 1.233 kernel_anti_dependence=''
631 : anton 1.215 else
632 : anton 1.239 PREFORTH="$GFORTH -i `cd / && $GFORTH --debug -e bye 2>&1 |grep "Opened image file: "|sed 's/Opened image file: //'`" ;
633 : anton 1.233 kernel_anti_dependence='$(kernel_fi)'
634 : anton 1.215 fi
635 :     AC_SUBST(PREFORTH)
636 : anton 1.233 AC_SUBST(kernel_anti_dependence)
637 : anton 1.215 AC_MSG_RESULT($PREFORTH)
638 : pazsan 1.202
639 : anton 1.215 #echo "machine='$machine'"
640 : anton 1.191
641 :     dnl AC_CHECK_PROG(asm_fs,asm.fs,arch/$machine/asm.fs,,$srcdir/arch/$machine)
642 :     AC_CHECK_FILE($srcdir/arch/$machine/asm.fs,[asm_fs=arch/$machine/asm.fs],)
643 : anton 1.61 AC_SUBST(asm_fs)
644 :    
645 : anton 1.191 dnl AC_CHECK_PROG(disasm_fs,disasm.fs,arch/$machine/disasm.fs,,$srcdir/arch/$machine)
646 :     AC_CHECK_FILE($srcdir/arch/$machine/disasm.fs,[disasm_fs=arch/$machine/disasm.fs],)
647 : anton 1.61 AC_SUBST(disasm_fs)
648 :    
649 : anton 1.116 AC_PATH_PROG(INSTALL_INFO,install-info,[echo '>>>>Please make info dir entry:'],$PATH:/sbin:/usr/sbin:/usr/local/sbin)
650 : anton 1.114
651 : pazsan 1.39 case "$host_os" in
652 : pazsan 1.157 *win32*)
653 :     # !!!FIXME!!! problems with cygwin and ';' as path separator
654 : anton 1.108 DIRSEP="\\\\"
655 : anton 1.127 PATHSEP=";"
656 : anton 1.142 #we want the builtins of command.com/cmd.exe and its
657 :     # handling of .com files.
658 :     #$COMSPEC contains the name of the Windows shell;
659 :     # the ./ is there, because the bash does not recognize
660 :     # absolute DOS filenames
661 :     DEFAULTSYSTEMPREFIX="./$COMSPEC /c "
662 : pazsan 1.39 ;;
663 : anton 1.97 *darwin*)
664 :     #Darwin uses some funny preprocessor by default; eliminate it:
665 : anton 1.127 AC_MSG_NOTICE([using -no-cpp-precomp on Darwin])
666 : anton 1.120 CFLAGS="$CFLAGS -no-cpp-precomp"
667 : anton 1.98 DIRSEP="/"
668 : anton 1.127 PATHSEP=":"
669 : anton 1.141 DEFAULTSYSTEMPREFIX=""
670 : anton 1.243 #the following magic value was suggested by
671 :     #http://mail.python.org/pipermail/pythonmac-sig/2005-October/015190.html
672 :     AC_DEFINE_UNQUOTED(MACOSX_DEPLOYMENT_TARGET,"10.3",[an environment variable value needed by libtool on some MacOS X versions])
673 : anton 1.98 ;;
674 : pazsan 1.246 *linux*)
675 :     DIRSEP="/"
676 :     PATHSEP=":"
677 :     DEFAULTSYSTEMPREFIX=""
678 : anton 1.250 if test -z "$LTDL_LIBRARY_PATH" -a "$wordsize" = 64; then
679 : pazsan 1.253 LTDL_LIBRARY_PATH=`/sbin/ldconfig -p |tail -n +2 |sed 's/^.* => //'|sed 's|/[[^/]]*$||'| grep 64 | sort -u | tr '\n' : | sed -e 's/:$//'`
680 : pazsan 1.246 fi
681 :     ;;
682 : pazsan 1.39 *)
683 : pazsan 1.88 DIRSEP="/"
684 : anton 1.127 PATHSEP=":"
685 : anton 1.141 DEFAULTSYSTEMPREFIX=""
686 : pazsan 1.39 ;;
687 :     esac
688 : pazsan 1.88 AC_SUBST(DIRSEP)
689 : pazsan 1.89 AC_DEFINE_UNQUOTED(DIRSEP,'$DIRSEP',[a directory separator character])
690 : anton 1.127 AC_SUBST(PATHSEP)
691 :     AC_DEFINE_UNQUOTED(PATHSEP,'$PATHSEP',[a path separator character])
692 : anton 1.141 AC_SUBST(DEFAULTSYSTEMPREFIX)
693 :     AC_DEFINE_UNQUOTED(DEFAULTSYSTEMPREFIX,"$DEFAULTSYSTEMPREFIX",[default for environment variable GFORTHSYSTEMPREFIX])
694 : anton 1.250 if test -n "$LTDL_LIBRARY_PATH"; then
695 :     AC_DEFINE_UNQUOTED(LTDL_LIBRARY_PATH,"$LTDL_LIBRARY_PATH",[Define LTDL_LIBRARY_PATH for 64 bit Linux])
696 :     fi
697 : pazsan 1.39
698 : anton 1.170 #work around SELinux brain damage (from Andrew Haley <12t8f3jakb74g2c@news.supernews.com>)
699 : anton 1.172 #This magic incantation seems to be completely undocumented.
700 :     AC_CHECK_PROG([MASSAGE_EXE],[chcon],[chcon -t unconfined_execmem_exec_t],[true])
701 : anton 1.170
702 : anton 1.1 dnl Now a little support for DOS/DJGCC
703 : pazsan 1.30 AC_SUBST(GFORTH_EXE)
704 : anton 1.208 GFORTH_EXE="true"
705 : anton 1.48 AC_SUBST(GFORTHFAST_EXE)
706 : anton 1.208 GFORTHFAST_EXE="true"
707 : anton 1.83 AC_SUBST(GFORTHITC_EXE)
708 : anton 1.208 GFORTHITC_EXE="true"
709 : pazsan 1.30 AC_SUBST(GFORTHDITC_EXE)
710 : anton 1.208 GFORTHDITC_EXE="true"
711 : anton 1.27
712 :     AC_SUBST(FORTHSIZES)
713 : anton 1.24
714 : anton 1.104 dnl if test "$PEEPHOLE" = "yes"
715 :     dnl then
716 :     dnl PEEPHOLEFLAG="true"
717 :     dnl AC_DEFINE(HAS_PEEPHOLE,,[Define if you want to use peephole optimization])
718 :     dnl else
719 :     dnl PEEPHOLEFLAG="false"
720 :     dnl fi
721 :     PEEPHOLEFLAG="true"
722 : pazsan 1.79 AC_SUBST(PEEPHOLEFLAG)
723 :    
724 : anton 1.1 dnl copy commands for systems that don't have links
725 : pazsan 1.29 AC_SUBST(LINK_KERNL)
726 :     LINK_KERNL=""
727 : anton 1.1
728 :     #if test $host_os=dos
729 :     #then
730 :     # echo Configuring for DOS!!!
731 :     # MAKE_EXE="coff2exe gforth"
732 : pazsan 1.29 # LINK_KERNL='$(CP) kernl32l.fi kernel.fi'
733 : anton 1.1 #fi
734 :    
735 :     dnl the following macro produces a warning with autoconf-2.1
736 :     AC_C_BIGENDIAN
737 : pazsan 1.23 AC_SUBST(KERNEL)
738 : anton 1.1 dnl ac_cv_c_bigendian is an undocumented variable of autoconf-2.1
739 : pazsan 1.256 if test $ac_cv_c_bigendian != no; then
740 : anton 1.1 bytesex=b
741 : pazsan 1.23 KERNEL="kernl16b.fi kernl16l.fi kernl32b.fi kernl32l.fi kernl64b.fi kernl64l.fi"
742 : anton 1.1 else
743 :     bytesex=l
744 : pazsan 1.23 KERNEL="kernl16l.fi kernl16b.fi kernl32l.fi kernl32b.fi kernl64l.fi kernl64b.fi"
745 : anton 1.1 fi
746 :    
747 : anton 1.91 #check how to do asm(".skip 16")
748 : anton 1.169 #echo "CFLAGS=$CFLAGS"
749 :     #echo "ac_link=$ac_link"
750 : anton 1.92 AC_MSG_CHECKING([if and how we can waste code space])
751 : anton 1.136 if test -z "$skipcode"; then
752 : anton 1.148 skipcode=no
753 :     CFLAGS_1="$CFLAGS"
754 :     CFLAGS="$CFLAGS $ENGINE_FLAGS"
755 : anton 1.136 for i in ".skip 16" ".block 16" ".org .+16" ".=.+16" ".space 16"
756 :     do
757 : anton 1.91 AC_TRY_RUN(
758 : anton 1.136 [int foo(int,int,int);
759 : anton 1.91 main()
760 :     {
761 : anton 1.136 exit(foo(0,0,0)!=16);
762 : anton 1.91 }
763 : anton 1.136 int foo(int x, int y, int z)
764 : anton 1.91 {
765 : anton 1.136 static void *labels[]={&&label1, &&label2};
766 : anton 1.91 if (x) {
767 : anton 1.136 y++; /* workaround for http://gcc.gnu.org/bugzilla/show_bug.cgi?id=12108 */
768 : anton 1.91 label1:
769 : anton 1.148 asm("$i"); /* or ".space 16" or somesuch */
770 : anton 1.136 label2: ;
771 :     }
772 :     {
773 :     if (y) goto *labels[z]; /* workaround for gcc PR12108 */
774 :     return labels[1]-labels[0];
775 : anton 1.91 }
776 : anton 1.136 }]
777 : anton 1.92 ,skipcode=$i; break
778 :     ,,)
779 : anton 1.136 done
780 : anton 1.148 CFLAGS=$CFLAGS_1
781 : anton 1.136 fi
782 : anton 1.92 AC_MSG_RESULT($skipcode)
783 :     if test "$skipcode" = no
784 :     then
785 : anton 1.136 if test -z $no_dynamic_default; then
786 :     no_dynamic_default=1
787 :     AC_MSG_WARN(Disabling default dynamic native code generation)
788 :     fi
789 : anton 1.92 AC_DEFINE_UNQUOTED(SKIP16,((void)0),statement for skipping 16 bytes)
790 :     else
791 :     AC_DEFINE_UNQUOTED(SKIP16,asm("$skipcode"),statement for skipping 16 bytes)
792 :     fi
793 : anton 1.91
794 : anton 1.174 AC_MSG_CHECKING([if and how we can do comments in asm statements])
795 :     #the point here is to get asm statements that look different to
796 :     #gcc's "optimizer"
797 :     if test -z "$asmcomment"; then
798 :     asmcomment=no
799 :     CFLAGS_1="$CFLAGS"
800 :     CFLAGS="$CFLAGS $ENGINE_FLAGS"
801 : anton 1.176 for i in '"# "' '"! "' '"; "'; do
802 : anton 1.174 AC_TRY_COMPILE(,[asm($i"fluffystunk");],asmcomment=$i; break,)
803 :     done
804 :     CFLAGS=$CFLAGS_1
805 :     fi
806 :     AC_MSG_RESULT($asmcomment)
807 :     if test "$asmcomment" != no
808 :     then
809 :     AC_DEFINE_UNQUOTED(ASMCOMMENT,$asmcomment,[assembler comment start string])
810 :     fi
811 :    
812 : anton 1.136 test "$no_dynamic_default" || no_dynamic_default=0
813 : anton 1.92 AC_DEFINE_UNQUOTED(NO_DYNAMIC_DEFAULT,$no_dynamic_default,default value for no_dynamic)
814 : anton 1.91
815 : anton 1.1 dnl Checks for programs.
816 :     AC_PROG_LN_S
817 : anton 1.95 AC_PROG_INSTALL
818 : pazsan 1.163 AC_CHECK_PROGS(TEXI2DVI,texi2dvi4a2ps texi2dvi)
819 : anton 1.1
820 : anton 1.198 dnl MacOS X has a libtool that does something else
821 :     AC_CHECK_PROGS(GNU_LIBTOOL,glibtool libtool)
822 :    
823 : anton 1.258 if test -n "$GNU_LIBTOOL"; then
824 :     build_libcc_named=build-libcc-named
825 :     else
826 :     build_libcc_named=""
827 :     fi
828 :     AC_SUBST(build_libcc_named)
829 :    
830 :    
831 : anton 1.1 dnl Checks for library functions
832 : anton 1.2 dnl This check is just for making later checks link with libm.
833 :     dnl using sin here is no good idea since it is built-into gcc and typechecked
834 :     AC_CHECK_LIB(m,asin)
835 : anton 1.225 AC_CHECK_LIB(ltdl,lt_dlinit)
836 : anton 1.235 #check for libffi 2.x
837 : anton 1.237 AC_CHECK_HEADER(ffi.h,FFI_H_NAME=ffi.h,)
838 :     if test -z "$FFI_H_NAME"; then
839 :     AC_CHECK_HEADER(ffi/ffi.h,FFI_H_NAME=ffi/ffi.h,)
840 :     fi
841 :     AC_SUBST(FFI_H_NAME)
842 : anton 1.235 AC_CHECK_LIB(ffi,ffi_call)
843 : anton 1.241 if test -n "$FFI_H_NAME" -a $ac_cv_lib_ffi_ffi_call = yes
844 : anton 1.235 then
845 :     LIBFFIFLAG="true"
846 : anton 1.236 LIBCC_BUILD_SRC="$LIBCC_BUILD_SRC libffi.fs"
847 : anton 1.235 else
848 :     LIBFFIFLAG="false"
849 :     fi
850 :     #check for ffcall libraries
851 :     #unfortunately, these four calls are separated out into a library each.
852 :     AC_CHECK_LIB(avcall,__builtin_avcall)
853 : pazsan 1.234 dnl AC_CHECK_LIB(callback,__vacall_r)
854 :     dnl AC_CHECK_LIB(vacall,vacall)
855 :     dnl AC_CHECK_LIB(trampoline,alloc_trampoline)
856 : anton 1.235 if test $ac_cv_lib_avcall___builtin_avcall = yes; then
857 :     FFCALLFLAG="true"
858 : anton 1.236 LIBCC_BUILD_SRC="$LIBCC_BUILD_SRC fflib.fs"
859 : anton 1.235 else
860 :     FFCALLFLAG="false"
861 :     fi
862 :     if test $LIBFFIFLAG = false -a $FFCALLFLAG = false; then
863 :     AC_MSG_WARN([The (old) lib.fs foreign function interface needs either libffi or the ffcall libraries])
864 :     fi
865 :     AC_SUBST(LIBFFIFLAG)
866 :     AC_SUBST(FFCALLFLAG)
867 : anton 1.236 AC_SUBST(LIBCC_BUILD_SRC)
868 : pazsan 1.32 if test "$host_os" != "nextstep3"
869 :     then
870 :     AC_FUNC_MEMCMP
871 :     fi
872 : pazsan 1.25 AC_REPLACE_FUNCS(memmove strtoul pow10 strerror strsignal atanh)
873 : anton 1.97 AC_FUNC_FSEEKO
874 : anton 1.186 AC_CHECK_FUNCS(ftello dlopen sys_siglist getrusage nanosleep)
875 : anton 1.111 AC_CHECK_TYPES(stack_t,,,[#include <signal.h>])
876 : anton 1.19 AC_DECL_SYS_SIGLIST
877 : anton 1.138 AC_CHECK_FUNC(getopt_long,[true],[AC_LIBOBJ(getopt) AC_LIBOBJ(getopt1)])
878 : anton 1.90 AC_CHECK_FUNCS(expm1 log1p)
879 :     AC_REPLACE_FUNCS(rint ecvt)
880 : anton 1.1 dnl No check for select, because our replacement is no good under
881 :     dnl anything but DOS
882 : anton 1.255 AC_CHECK_HEADERS(sys/mman.h fnmatch.h alloca.h wchar.h)
883 : anton 1.63 AC_FUNC_FNMATCH
884 : pazsan 1.87 test $ac_cv_func_fnmatch_works = yes || AC_LIBOBJ(fnmatch)
885 : anton 1.255 AC_CHECK_FUNCS(mmap sysconf getpagesize wcwidth)
886 : anton 1.34 AM_PATH_LISPDIR
887 : anton 1.1
888 : pazsan 1.183 kernel_fi=kernl${vwordsize}${bytesex}.fi
889 : pazsan 1.178 include_fi=kernl${wordsize}${bytesex}${EC}.fi
890 : pazsan 1.23 AC_SUBST(kernel_fi)
891 : pazsan 1.178 AC_SUBST(include_fi)
892 : jwilke 1.50
893 : anton 1.76 #this breaks bindists
894 :     #dnl replace srource directory by absolute value
895 :     #if test $srcdir = "."; then srcdir=`pwd`
896 :     #fi
897 : anton 1.8
898 : anton 1.34 AC_SUBST(machine)
899 : anton 1.95 AC_CONFIG_FILES([
900 : anton 1.31 Makefile
901 : pazsan 1.45 Makedist
902 : anton 1.43 gforthmi
903 : anton 1.80 vmgen
904 : pazsan 1.79 machpc.fs
905 : pazsan 1.159 envos.fs
906 : anton 1.223 preforth
907 : anton 1.35 engine/Makefile
908 : anton 1.188 engine/libcc.h
909 : pazsan 1.161 doc/version.texi
910 :     build-ec ])
911 : anton 1.95 AC_CONFIG_COMMANDS([stamp-h],[[echo timestamp > stamp-h
912 : anton 1.43 chmod +x gforthmi
913 : anton 1.80 chmod +x vmgen
914 : pazsan 1.162 chmod +x build-ec
915 : anton 1.223 chmod +x preforth
916 : anton 1.188 test -d kernel||mkdir kernel
917 : anton 1.258 if test $srcdir != "."; then ln -sf $srcdir/gforth.el .; fi
918 : anton 1.188 $srcdir/mkinstalldirs include/gforth/$PACKAGE_VERSION
919 : anton 1.262 $srcdir/mkinstalldirs arch/$machine
920 :     ln -sf ../../../engine/config.h ../../../engine/libcc.h include/gforth/$PACKAGE_VERSION]],
921 :     [PACKAGE_VERSION=$PACKAGE_VERSION
922 :     machine=$machine])
923 : anton 1.95 AC_OUTPUT
924 : anton 1.44

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