[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 1.273 #Copyright (C) 1995,1996,1997,1998,2000,2003,2004,2005,2006,2007,2008,2009 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 : dvdkhlng 1.281 AC_INIT([gforth],[0.7.0-20100807],[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 : anton 1.266 UPDATED="November 8, 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 "$withval" = "yes"; then DEBUGFLAG=-g; fi)
70 : pazsan 1.122
71 : pazsan 1.185 GCC_LD="\$(GCC)"
72 :     EC_MODE="false"
73 : pazsan 1.275 NO_EC=""
74 : pazsan 1.185 EC=""
75 : anton 1.204 engine2='engine2$(OPT).o'
76 :     engine_fast2='engine-fast2$(OPT).o'
77 : pazsan 1.185 no_dynamic=""
78 :     image_i=""
79 :     signals_o="io.o signals.o"
80 :    
81 : pazsan 1.275 AC_CANONICAL_HOST
82 : pazsan 1.182 AC_ARG_WITH(ec,
83 :     AC_HELP_STRING([--with-ec=<arch>],
84 : pazsan 1.168 [ Build gforth for systems without OS.]),
85 : pazsan 1.182 [if test "$withval" = "no"; then
86 :     echo "defining hosted system"
87 :     else
88 :     echo "defining standalone system (${withval})"
89 : pazsan 1.168 AC_DEFINE(STANDALONE,,[Define if you want a Gforth without OS])
90 : pazsan 1.167 EC_MODE="true"
91 : pazsan 1.178 EC="-ec"
92 : pazsan 1.275 NO_EC="#"
93 : pazsan 1.178 engine2=""
94 :     engine_fast2=""
95 :     no_dynamic="-DNO_DYNAMIC"
96 :     image_i="image.i"
97 : pazsan 1.182 if test "$withval" != "yes"; then
98 :     signals_o="io-${withval}.o"
99 :     else
100 :     signals_o="io.o"
101 :     fi
102 : pazsan 1.275 if test -f "arch/$host_cpu/${withval}/config.sh"; then
103 :     source "arch/$host_cpu/${withval}/config.sh"
104 :     fi
105 : pazsan 1.183 GCC_PATH=$(which $CC)
106 :     LIB_PATH=${GCC_PATH%/*/*}
107 :     GCC_LD="\$(LD)"
108 : pazsan 1.184 platform=${withval}
109 : pazsan 1.182 fi])
110 : pazsan 1.167
111 : anton 1.104 #variables mentioned in INSTALL
112 : anton 1.203 AC_ARG_VAR(CC, [The C compiler (must support GNU C 2.x).])
113 : anton 1.104 AC_ARG_VAR(FORTHSIZES, [Gforth command line options for the default stack and dictionary sizes (see INSTALL).])
114 : 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).])
115 : 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).])
116 : 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)])
117 : anton 1.236 AC_ARG_VAR(LIBCC_BUILD_SRC, [(Additional) libcc interface source files that should be processed on building and installation (default none)])
118 : anton 1.173
119 : anton 1.104 AC_ARG_VAR(ac_cv_sizeof_char_p, [sizeof(char *)])
120 : pazsan 1.183 AC_ARG_VAR(ac_cv_sizeof_void_p, [sizeof(void *)])
121 : anton 1.104 AC_ARG_VAR(ac_cv_sizeof_char, [sizeof(char)])
122 :     AC_ARG_VAR(ac_cv_sizeof_short, [sizeof(short)])
123 :     AC_ARG_VAR(ac_cv_sizeof_int, [sizeof(int)])
124 :     AC_ARG_VAR(ac_cv_sizeof_long, [sizeof(long)])
125 :     AC_ARG_VAR(ac_cv_sizeof_long_long, [sizeof(long long)])
126 :     AC_ARG_VAR(ac_cv_sizeof_intptr_t, [sizeof(intptr_t)])
127 : anton 1.254 AC_ARG_VAR(ac_cv_sizeof_int128_t, [sizeof(int128_t)])
128 :     AC_ARG_VAR(ac_cv_sizeof_uint128_t, [sizeof(uint128_t)])
129 : anton 1.123 AC_ARG_VAR(ac_cv_c_bigendian, [Is the target big-endian ("yes" or "no")?])
130 :     AC_ARG_VAR(no_dynamic_default, [run gforth with --dynamic (0) or --no-dynamic (1) by default])
131 : anton 1.190 AC_ARG_VAR(condbranch_opt, [enable (1) or disable (0) using two dispatches for conditional branches])
132 : anton 1.166 AC_ARG_VAR(skipcode, [assembly code for skipping 16 bytes of code])
133 : anton 1.174 AC_ARG_VAR(asmcomment, [assembler comment start string])
134 : anton 1.175 AC_ARG_VAR(arm_cacheflush, [file containing ARM cacheflush function (without .c)])
135 : anton 1.250 AC_ARG_VAR(LTDL_LIBRARY_PATH, [additional directories for libltdl (for some 64-bit platforms)])
136 : anton 1.82
137 : anton 1.96 #set up feature test macros, so the tests get them right:
138 :     # turn on all POSIX, SUSv3, and GNU features if available
139 : anton 1.97 AC_GNU_SOURCE
140 :     dnl AC_DEFINE_UNQUOTED([_GNU_SOURCE],1,[feature test macro])
141 :    
142 :     dnl Don't define _POSIX_SOURCE etc. because some OSs (in particular
143 :     dnl MacOSX) disable some features then (MacOSX checks for _POSIX_SOURCE,
144 :     dnl but not for _XOPEN_SOURCE)
145 :     dnl AC_DEFINE_UNQUOTED([_POSIX_SOURCE],1,[feature test macro])
146 :     dnl AC_DEFINE_UNQUOTED([_POSIX_C_SOURCE],199506L,[feature test macro])
147 :     dnl AC_DEFINE_UNQUOTED([_XOPEN_SOURCE],600,[feature test macro])
148 : anton 1.96 # turn on large file support with 64-bit off_t where available
149 : anton 1.105 AC_SYS_LARGEFILE
150 :     dnl AC_DEFINE_UNQUOTED([_LARGEFILE_SOURCE],1,[feature test macro])
151 :     dnl AC_DEFINE_UNQUOTED([_FILE_OFFSET_BITS],64,[feature test macro])
152 : anton 1.96
153 : anton 1.82 #currently we force direct threading this way. Eventually we should
154 :     #setup in the arch and engine files right
155 : anton 1.16
156 : pazsan 1.15 AC_PROG_CC
157 :    
158 : anton 1.92 test "$GCC" = "yes" || AC_MSG_ERROR(Gforth uses GNU C extensions and requires GCC 2.0 or higher)
159 : pazsan 1.9
160 : anton 1.190 AC_MSG_CHECKING([whether to use two dispatches per conditional branch])
161 :     test x$condbranch_opt = x &&
162 : anton 1.238 if ($CC -v 2>&1 |grep 'gcc version 3' >/dev/null); then
163 : anton 1.190 condbranch_opt=0
164 :     else
165 :     condbranch_opt=1
166 :     fi
167 :     AC_MSG_RESULT($condbranch_opt)
168 :     AC_SUBST(condbranch_opt)
169 :    
170 : pazsan 1.15 AC_SUBST(CC)
171 : pazsan 1.183 AC_SUBST(GCC_LD)
172 : pazsan 1.9 AC_SUBST(DEBUGFLAG)
173 : pazsan 1.178 AC_SUBST(EC)
174 : pazsan 1.275 AC_SUBST(NO_EC)
175 : pazsan 1.167 AC_SUBST(EC_MODE)
176 : pazsan 1.178 AC_SUBST(engine2)
177 :     AC_SUBST(engine_fast2)
178 :     AC_SUBST(no_dynamic)
179 :     AC_SUBST(image_i)
180 : pazsan 1.179 AC_SUBST(signals_o)
181 : anton 1.7
182 : anton 1.174 #this is used to disable some (not generally essential) part of the
183 :     #Makefile that some makes don't grok. It would be better to test for
184 :     #this specific Makefile feature than the make version.
185 : pazsan 1.128 AC_MSG_CHECKING(make type)
186 : anton 1.174 make_type=`make -n -v 2>&1|grep 'ake'|sed 's/ake .*/ake/'`
187 : pazsan 1.128 GNUMAKE='#'
188 :     test "$make_type" = "GNU Make" && GNUMAKE=''
189 :     AC_MSG_RESULT($make_type)
190 :     AC_SUBST(GNUMAKE)
191 :    
192 : jwilke 1.50 AC_MSG_CHECKING([whether the linker accepts -export-dynamic])
193 :     OLDLDFLAGS=$LDFLAGS
194 :     LDFLAGS="$LDFLAGS -export-dynamic"
195 : anton 1.69 dnl AC_TRY_LINK gives false positive on rs6000-ibm-aix4.2.1.0
196 :     dnl AC_TRY_LINK(,,ac_export_dynamic=yes,ac_export_dynamic=no)
197 :     AC_TRY_RUN(main(){exit(0);},ac_export_dynamic=yes,ac_export_dynamic=no,ac_export_dynamic=no)
198 : jwilke 1.50 test $ac_export_dynamic = yes|| LDFLAGS=$OLDLDFLAGS
199 :     AC_MSG_RESULT($ac_export_dynamic)
200 :    
201 : anton 1.1 #terminology is a bit unusual here: The host is the system on which
202 :     #gforth will run; the system on which configure will run is the `build'
203 :     case "$host_cpu" in
204 : anton 1.136 arm*)
205 :     machine=arm
206 :     CFLAGS="$CFLAGS -fomit-frame-pointer"
207 : pazsan 1.184 if test x$platform = xnxt; then
208 : pazsan 1.183 CFLAGS="$CFLAGS -mthumb -mthumb-interwork"
209 :     fi
210 : anton 1.175 if test -z $arm_cacheflush; then
211 : dvdkhlng 1.212 case "$host_os" in
212 :     *linux*)
213 : anton 1.260 AC_LIBOBJ(../arch/arm/cacheflush-linux)
214 : dvdkhlng 1.212 ;;
215 :     *)
216 :     no_dynamic_default=1
217 : anton 1.260 AC_LIBOBJ(../arch/arm/cacheflush0)
218 : dvdkhlng 1.212 AC_MSG_WARN([No I-cache flush code known, disabling dynamic native code generation])
219 :     ;;
220 :     esac
221 : anton 1.260 else
222 :     AC_LIBOBJ(../$arm_cacheflush)
223 :     test $srcdir = . || AC_MSG_WARN([setting arm_cacheflush requires building in the source directory])
224 : anton 1.136 fi
225 : anton 1.177 #longer skipcodes lead to problems on ARM, and it uses
226 :     #only 4-byte alignment anyway
227 :     test "$skipcode" || skipcode="nop"
228 : anton 1.136 ;;
229 : anton 1.1 hppa*)
230 : anton 1.34 machine=hppa
231 : pazsan 1.87 AC_LIBOBJ(../arch/hppa/cache)
232 : anton 1.134 #-N needed for --dynamic <M4U3b.3790$9d.317@news.cpqcorp.net>
233 :     LDFLAGS="$LDFLAGS -Xlinker -N"
234 : anton 1.47 LIBS="$LIBS -L/lib/pa1.1/"
235 : anton 1.1 ;;
236 :     sparc*)
237 : anton 1.34 machine=sparc
238 : anton 1.1 ;;
239 : anton 1.31 i386)
240 : anton 1.34 machine=386
241 : anton 1.189 CFLAGS="$CFLAGS -fomit-frame-pointer -fforce-addr"
242 : anton 1.31 ;;
243 :     i486)
244 : anton 1.34 machine=386
245 : anton 1.189 CFLAGS="$CFLAGS -fomit-frame-pointer -fforce-addr -m486"
246 : anton 1.31 ;;
247 : anton 1.77 i*86)
248 : anton 1.34 machine=386
249 : anton 1.189 CFLAGS="$CFLAGS -fomit-frame-pointer -fforce-addr"
250 : pazsan 1.56 CFLAGS_1="$CFLAGS"
251 : pazsan 1.87 CFLAGS="$CFLAGS -march=pentium"
252 : pazsan 1.56 AC_TRY_COMPILE(,,,CFLAGS="$CFLAGS_1 -m486")
253 : anton 1.1 ;;
254 : anton 1.133 x86_64)
255 : pazsan 1.192 case $CC
256 :     in
257 :     *-m32*)
258 :     machine=386
259 :     CFLAGS="$CFLAGS -fomit-frame-pointer -fforce-addr"
260 :     CFLAGS_1="$CFLAGS"
261 :     CFLAGS="$CFLAGS -march=athlon64"
262 :     ;;
263 :     *)
264 :     machine=amd64
265 :     ;;
266 :     esac
267 : anton 1.133 ;;
268 : anton 1.136 ia64*)
269 :     machine=ia64
270 :     AC_LIBOBJ(../arch/ia64/flush_icache_block)
271 :     test "$skipcode" || skipcode="nop.i 0"
272 :     #".skip 16" passes the test below,
273 :     # but gives an assembler error in engine
274 :     ;;
275 : pazsan 1.26 m68k)
276 : anton 1.34 machine=m68k
277 : pazsan 1.32 CFLAGS="$CFLAGS -fomit-frame-pointer"
278 :     if test "$host_os" = "nextstep3"
279 :     then
280 : pazsan 1.87 AC_LIBOBJ(termios)
281 : pazsan 1.32 fi
282 : pazsan 1.26 ;;
283 : anton 1.1 mips*)
284 : anton 1.34 machine=mips
285 : dvdkhlng 1.281 AC_LIBOBJ(../arch/mips/check_prim)
286 : anton 1.92 #dynamic native code has the following problems on MIPS:
287 :     #
288 :     #1) J/JAL seems relocatable, but is are only
289 :     #relocatable within a 256MB-segment. While we try to
290 :     #get the linker to arrange this, there is no guarantee
291 :     #that this will succeed (and if the user uses a lot of
292 :     #memory, it is likely to fail).
293 :     #
294 :     #2) The way we generate dynamic native code may
295 :     #violate MIPS architectural restrictions (in
296 :     #particular, the delay slots of LW, MFLO, etc.)
297 :     #
298 :     #Therefore we disable dynamic native code by default:
299 : anton 1.255 if test -z "$no_dynamic_default"; then
300 : anton 1.136 no_dynamic_default=1
301 :     AC_MSG_WARN([Disabling default dynamic native code generation (relocation and delay slot issues)])
302 :     fi
303 : anton 1.1 ;;
304 : pazsan 1.9 alpha*)
305 : anton 1.34 machine=alpha
306 : anton 1.58 #full IEEE FP support for more uniformity across platforms:
307 :     CFLAGS="$CFLAGS -mieee"
308 : pazsan 1.9 ;;
309 : anton 1.69 power*|rs6000)
310 : anton 1.34 machine=power
311 : anton 1.138 AC_CHECK_FUNC(_sync_cache_range,[true],[AC_LIBOBJ(../arch/power/_sync_cache_range)])
312 : anton 1.103 #long long is broken on (at least) gcc-2.95.* for PPC
313 : anton 1.165 test x$ac_cv_sizeof_long_long = x &&
314 : anton 1.238 ($CC -v 2>&1 |grep 'gcc version 2.95' >/dev/null) &&
315 : anton 1.263 ac_cv_sizeof_long_long=0
316 : anton 1.203 #The only architecture with enough callee-saved registers
317 :     test x$STACK_CACHE_REGS = x && STACK_CACHE_REGS=3
318 :     #or use 2, hardly slower at run-time and starts up faster
319 : anton 1.263
320 :     #the skipcode that is normally selected below does not
321 :     #work with gcc-3.[34]
322 :     test "$skipcode" || skipcode="nop\nnop\nnop\nnop"
323 : anton 1.31 ;;
324 : anton 1.1 *)
325 : anton 1.92 AC_MSG_WARN([Using a generic machine description])
326 :     AC_MSG_WARN([Assuming C floats and doubles are IEEE floats and doubles (for SF@ DF@ SF! DF!)])
327 :     AC_MSG_WARN([FLUSH-ICACHE will do nothing, so END-CODE may not work properly!])
328 : anton 1.34 machine=generic
329 : anton 1.97 #I-cache flushing would be needed for dynamic code generation
330 : anton 1.136 if test -z $no_dynamic_default; then
331 :     no_dynamic_default=1
332 :     AC_MSG_WARN([No I-cache flush code known, disabling dynamic native code generation])
333 :     fi
334 : anton 1.1 esac
335 : anton 1.10 AC_SUBST(host)
336 : anton 1.151
337 : pazsan 1.184 MAKEINC=""
338 : pazsan 1.276 GFORTH_EXE="true"
339 : pazsan 1.184
340 :     echo "Check for arch/$machine/$platform/gforth.ld ($EC_MODE)"
341 : pazsan 1.183 if test x$EC_MODE = xtrue
342 :     then
343 : pazsan 1.184 echo "Check for arch/$machine/$platform/gforth.ld"
344 :     if test -f arch/$machine/$platform/gforth.ld
345 : pazsan 1.183 then
346 : pazsan 1.184 LDFLAGS="-T ../arch/$machine/$platform/gforth.ld -Map \$@.map -cref --gc-sections $LDFLAGS"
347 :     if test x$platform = xnxt; then
348 : 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 $LIBS"
349 :     fi
350 :     fi
351 : pazsan 1.184 if test -f arch/$machine/$platform/make.inc
352 :     then
353 :     MAKEINC="include ../arch/$machine/$platform/make.inc"
354 : pazsan 1.276 GFORTH_EXE="\$(MAKE) -f arch/$machine/$platform/make.inc \$@.exe"
355 : pazsan 1.184 fi
356 : pazsan 1.183 fi
357 : pazsan 1.184 AC_SUBST(MAKEINC)
358 : pazsan 1.183
359 : anton 1.203 AC_ARG_VAR(STACK_CACHE_REGS, [number of registers in the maximum stack cache state for gforth-fast and gforth-native (default platform-dependent).])
360 :    
361 :     test x$STACK_CACHE_REGS = x && STACK_CACHE_REGS=1
362 :     AC_DEFINE_UNQUOTED(STACK_CACHE_REGS, $STACK_CACHE_REGS,
363 :     [number of registers in the maximum stack cache state for gforth-fast and gforth-native])
364 : anton 1.151 test x$STACK_CACHE_DEFAULT_FAST = x && STACK_CACHE_DEFAULT_FAST=1
365 :     AC_DEFINE_UNQUOTED(STACK_CACHE_DEFAULT_FAST, $STACK_CACHE_DEFAULT_FAST,
366 :     [number of registers in the default stack cache state for gforth-fast and gforth-native])
367 : pazsan 1.146
368 : anton 1.173 test x$GCC_PR15242_WORKAROUND = x ||
369 :     AC_DEFINE_UNQUOTED(GCC_PR15242_WORKAROUND, $GCC_PR15242_WORKAROUND,
370 :     [force (1) or forbid (0) use of a workaround for a gcc performance bug])
371 :    
372 : anton 1.103 dnl the following macro produces a warning with autoconf-2.1
373 :     AC_CHECK_SIZEOF(char *)
374 :     case "$ac_cv_sizeof_char_p" in
375 :     2)
376 :     wordsize=16
377 :     ;;
378 :     4)
379 :     wordsize=32
380 :     ;;
381 :     8)
382 :     wordsize=64
383 :     ;;
384 :     esac
385 :    
386 : pazsan 1.183 AC_CHECK_SIZEOF(void *)
387 :     case "$ac_cv_sizeof_void_p" in
388 :     2)
389 :     vwordsize=16
390 :     ;;
391 :     4)
392 :     vwordsize=32
393 :     ;;
394 :     8)
395 :     vwordsize=64
396 :     ;;
397 :     esac
398 :    
399 : anton 1.103 AC_CHECK_SIZEOF(char)
400 :     AC_CHECK_SIZEOF(short)
401 :     AC_CHECK_SIZEOF(int)
402 :     AC_CHECK_SIZEOF(long)
403 :     AC_CHECK_SIZEOF(long long)
404 :     AC_CHECK_SIZEOF(intptr_t)
405 :     AC_CHECK_SIZEOF(int128_t)
406 : pazsan 1.144 AC_CHECK_SIZEOF(uint128_t)
407 : anton 1.103
408 :     AC_MSG_CHECKING([for a C type for cells])
409 :     ac_cv_int_type_cell=none
410 :     case "$ac_cv_sizeof_char_p" in
411 :     $ac_cv_sizeof_int)
412 :     ac_cv_int_type_cell=int
413 :     ;;
414 :     $ac_cv_sizeof_short)
415 :     ac_cv_int_type_cell=short
416 :     ;;
417 :     $ac_cv_sizeof_char)
418 :     ac_cv_int_type_cell=char
419 :     ;;
420 :     $ac_cv_sizeof_long)
421 :     ac_cv_int_type_cell=long
422 :     ;;
423 :     $ac_cv_sizeof_long_long)
424 :     ac_cv_int_type_cell="long long"
425 :     ;;
426 :     $ac_cv_sizeof_intptr_t)
427 :     ac_cv_int_type_cell="intptr_t"
428 :     ;;
429 :     esac
430 :     AC_MSG_RESULT($ac_cv_int_type_cell)
431 :     AC_DEFINE_UNQUOTED(CELL_TYPE,$ac_cv_int_type_cell,[an integer type that is as long as a pointer])
432 :    
433 : pazsan 1.153 AC_MSG_CHECKING([for a C type for wydes])
434 :     ac_cv_wyde_type_cell=none
435 :     case 2 in
436 :     $ac_cv_sizeof_int)
437 :     ac_cv_wyde_type_cell=int
438 :     ;;
439 :     $ac_cv_sizeof_short)
440 :     ac_cv_wyde_type_cell=short
441 :     ;;
442 :     $ac_cv_sizeof_char)
443 :     ac_cv_wyde_type_cell=char
444 :     ;;
445 :     $ac_cv_sizeof_long)
446 :     ac_cv_wyde_type_cell=long
447 :     ;;
448 :     $ac_cv_sizeof_long_long)
449 :     ac_cv_wyde_type_cell="long long"
450 :     ;;
451 :     $ac_cv_sizeof_intptr_t)
452 :     ac_cv_wyde_type_cell="intptr_t"
453 :     ;;
454 :     esac
455 :     AC_MSG_RESULT($ac_cv_wyde_type_cell)
456 :     AC_DEFINE_UNQUOTED(WYDE_TYPE,$ac_cv_wyde_type_cell,[an integer type that is 2 bytes long])
457 :    
458 :     AC_MSG_CHECKING([for a C type for tetrabytes])
459 :     ac_cv_tetrabyte_type_cell=none
460 :     case 4 in
461 :     $ac_cv_sizeof_int)
462 :     ac_cv_tetrabyte_type_cell=int
463 :     ;;
464 :     $ac_cv_sizeof_short)
465 :     ac_cv_tetrabyte_type_cell=short
466 :     ;;
467 :     $ac_cv_sizeof_char)
468 :     ac_cv_tetrabyte_type_cell=char
469 :     ;;
470 :     $ac_cv_sizeof_long)
471 :     ac_cv_tetrabyte_type_cell=long
472 :     ;;
473 :     $ac_cv_sizeof_long_long)
474 :     ac_cv_tetrabyte_type_cell="long long"
475 :     ;;
476 :     $ac_cv_sizeof_intptr_t)
477 :     ac_cv_tetrabyte_type_cell="intptr_t"
478 :     ;;
479 :     esac
480 :     AC_MSG_RESULT($ac_cv_tetrabyte_type_cell)
481 :     AC_DEFINE_UNQUOTED(TETRABYTE_TYPE,$ac_cv_tetrabyte_type_cell,[an integer type that is 4 bytes long])
482 :    
483 : pazsan 1.277 AC_MSG_CHECKING([for a C type for octabytes])
484 :     ac_cv_octabyte_type_cell=none
485 :     case 8 in
486 :     $ac_cv_sizeof_int)
487 :     ac_cv_octabyte_type_cell=int
488 :     ;;
489 :     $ac_cv_sizeof_short)
490 :     ac_cv_octabyte_type_cell=short
491 :     ;;
492 :     $ac_cv_sizeof_char)
493 :     ac_cv_octabyte_type_cell=char
494 :     ;;
495 :     $ac_cv_sizeof_long)
496 :     ac_cv_octabyte_type_cell=long
497 :     ;;
498 :     $ac_cv_sizeof_long_long)
499 :     ac_cv_octabyte_type_cell="long long"
500 :     ;;
501 :     $ac_cv_sizeof_intptr_t)
502 :     ac_cv_octabyte_type_cell="intptr_t"
503 :     ;;
504 :     esac
505 :     AC_MSG_RESULT($ac_cv_octabyte_type_cell)
506 :     AC_DEFINE_UNQUOTED(OCTABYTE_TYPE,$ac_cv_octabyte_type_cell,[an integer type that is 8 bytes long])
507 :    
508 : anton 1.103 AC_MSG_CHECKING([for a C type for double-cells])
509 :     ac_cv_int_type_double_cell=none
510 :     case `expr 2 '*' "$ac_cv_sizeof_char_p"` in
511 :     $ac_cv_sizeof_short)
512 :     ac_cv_int_type_double_cell=short
513 :     ;;
514 :     $ac_cv_sizeof_int)
515 :     ac_cv_int_type_double_cell=int
516 :     ;;
517 :     $ac_cv_sizeof_long)
518 :     ac_cv_int_type_double_cell=long
519 :     ;;
520 :     $ac_cv_sizeof_long_long)
521 :     ac_cv_int_type_double_cell="long long"
522 :     ;;
523 :     $ac_cv_sizeof_intptr_t)
524 :     ac_cv_int_type_double_cell="intptr_t"
525 :     ;;
526 : anton 1.205 $ac_cv_sizeof_int128_t)
527 : anton 1.103 ac_cv_int_type_double_cell="int128_t"
528 :     ;;
529 :     esac
530 :     AC_MSG_RESULT($ac_cv_int_type_double_cell)
531 : pazsan 1.144
532 :     AC_MSG_CHECKING([for a C type for unsigned double-cells])
533 :     ac_cv_int_type_double_ucell=none
534 :     case `expr 2 '*' "$ac_cv_sizeof_char_p"` in
535 :     $ac_cv_sizeof_short)
536 :     ac_cv_int_type_double_ucell="unsigned short"
537 :     ;;
538 :     $ac_cv_sizeof_int)
539 :     ac_cv_int_type_double_ucell="unsigned int"
540 :     ;;
541 :     $ac_cv_sizeof_long)
542 :     ac_cv_int_type_double_ucell="unsigned long"
543 :     ;;
544 :     $ac_cv_sizeof_long_long)
545 :     ac_cv_int_type_double_ucell="unsigned long long"
546 :     ;;
547 :     $ac_cv_sizeof_intptr_t)
548 :     ac_cv_int_type_double_ucell="unsigned intptr_t"
549 :     ;;
550 :     $ac_cv_sizeof_uint128_t)
551 :     ac_cv_int_type_double_ucell="uint128_t"
552 :     ;;
553 :     esac
554 :     AC_MSG_RESULT($ac_cv_int_type_double_ucell)
555 :    
556 : anton 1.204 if test "$ac_cv_int_type_double_cell" != none && \
557 :     test "$ac_cv_int_type_double_ucell" != none
558 : pazsan 1.144 then
559 : anton 1.103 AC_DEFINE_UNQUOTED(DOUBLE_CELL_TYPE,$ac_cv_int_type_double_cell,[an integer type that is twice as long as a pointer])
560 : pazsan 1.144 AC_DEFINE_UNQUOTED(DOUBLE_UCELL_TYPE,$ac_cv_int_type_double_ucell,[an unsigned integer type that is twice as long as a pointer])
561 : anton 1.206 OPTS=-ll
562 :     else
563 : pazsan 1.217 if test "$ac_cv_sizeof_char_p" = 8; then
564 : anton 1.213 OPTS="-ll -noll"
565 : anton 1.206 else
566 :     OPTS=-noll
567 :     fi
568 : anton 1.103 fi
569 : anton 1.207
570 : anton 1.258 if grep FORCE_REG $srcdir/arch/$machine/machine.h >/dev/null; then
571 : pazsan 1.227 OPTS2=''
572 :     for i in $OPTS; do OPTS2="$OPTS2 $i-reg"; done
573 :     OPTS="$OPTS2 $OPTS"
574 : anton 1.223 else
575 :     AC_DEFINE_UNQUOTED(FORCE_REG_UNNECESSARY,,[defined if the platform does not need FORCE_REG])
576 : anton 1.207 fi
577 : anton 1.206 AC_SUBST(OPTS)
578 : anton 1.103
579 :     AC_TYPE_OFF_T
580 :     AC_CHECK_SIZEOF(off_t)
581 :     test $ac_cv_sizeof_off_t -gt $ac_cv_sizeof_char_p
582 :     ac_small_off_t=$?
583 :     AC_DEFINE_UNQUOTED(SMALL_OFF_T,$ac_small_off_t,[1 if off_t fits in a Cell])
584 : anton 1.1
585 : anton 1.109 ENGINE_FLAGS=
586 :     AC_SUBST(ENGINE_FLAGS)
587 :    
588 :     # Try if GCC understands -fno-gcse
589 :    
590 :     AC_MSG_CHECKING([if $CC understands -fno-gcse])
591 :     CFLAGS_1="$CFLAGS"
592 :     CFLAGS="$CFLAGS -fno-gcse"
593 :     AC_TRY_COMPILE(,,ac_nogcse=yes;ENGINE_FLAGS="$ENGINE_FLAGS -fno-gcse",ac_nogcse=no)
594 :     CFLAGS="$CFLAGS_1"
595 :     AC_MSG_RESULT($ac_nogcse)
596 :    
597 :     # Try if GCC understands -fno-strict-aliasing
598 :     AC_MSG_CHECKING([if $CC understands -fno-strict-aliasing])
599 :     CFLAGS_1="$CFLAGS"
600 :     CFLAGS="$CFLAGS -fno-strict-aliasing"
601 :     AC_TRY_COMPILE(,,ac_nostrictaliasing=yes;ENGINE_FLAGS="$ENGINE_FLAGS -fno-strict-aliasing",ac_nostrictaliasing=no)
602 :     CFLAGS="$CFLAGS_1"
603 :     AC_MSG_RESULT($ac_nostrictaliasing)
604 :    
605 : anton 1.123 # Try if GCC understands -fno-crossjumping
606 :     AC_MSG_CHECKING([if $CC understands -fno-crossjumping])
607 : pazsan 1.88 CFLAGS_1="$CFLAGS"
608 : anton 1.123 CFLAGS="$CFLAGS -fno-crossjumping"
609 : anton 1.125 AC_TRY_COMPILE(,,ac_nocrossjumping=yes;ENGINE_FLAGS="$ENGINE_FLAGS -fno-crossjumping",ac_nocrossjumping=no)
610 : anton 1.109 CFLAGS="$CFLAGS_1"
611 : pazsan 1.124 AC_MSG_RESULT($ac_nocrossjumping)
612 : pazsan 1.88
613 : pazsan 1.137 # Try if GCC understands -fno-reorder-blocks
614 :     AC_MSG_CHECKING([if $CC understands -fno-reorder-blocks])
615 :     CFLAGS_1="$CFLAGS"
616 :     CFLAGS="$CFLAGS -fno-reorder-blocks"
617 :     AC_TRY_COMPILE(,,ac_noreorder_blocks=yes;ENGINE_FLAGS="$ENGINE_FLAGS -fno-reorder-blocks",ac_noreorder_blocks=no)
618 :     CFLAGS="$CFLAGS_1"
619 :     AC_MSG_RESULT($ac_noreorder_blocks)
620 :    
621 : anton 1.189 # Try if GCC understands -falign-labels=1
622 :     AC_MSG_CHECKING([if $CC understands -falign-labels=1])
623 :     CFLAGS_1="$CFLAGS"
624 :     CFLAGS="$CFLAGS -falign-labels=1"
625 : anton 1.194 AC_TRY_COMPILE(,,ac_align_labels=yes;ENGINE_FLAGS="$ENGINE_FLAGS -falign-labels=1",ac_align_labels=no)
626 : anton 1.189 CFLAGS="$CFLAGS_1"
627 :     AC_MSG_RESULT($ac_align_labels)
628 :    
629 : anton 1.193 # Try if GCC understands -falign-loops=1
630 :     AC_MSG_CHECKING([if $CC understands -falign-loops=1])
631 :     CFLAGS_1="$CFLAGS"
632 :     CFLAGS="$CFLAGS -falign-loops=1"
633 : anton 1.194 AC_TRY_COMPILE(,,ac_align_loops=yes;ENGINE_FLAGS="$ENGINE_FLAGS -falign-loops=1",ac_align_loops=no)
634 : anton 1.193 CFLAGS="$CFLAGS_1"
635 :     AC_MSG_RESULT($ac_align_loops)
636 :    
637 :     # Try if GCC understands -falign-jumps=1
638 :     AC_MSG_CHECKING([if $CC understands -falign-jumps=1])
639 :     CFLAGS_1="$CFLAGS"
640 :     CFLAGS="$CFLAGS -falign-jumps=1"
641 : anton 1.194 AC_TRY_COMPILE(,,ac_align_jumps=yes;ENGINE_FLAGS="$ENGINE_FLAGS -falign-jumps=1",ac_align_jumps=no)
642 : anton 1.193 CFLAGS="$CFLAGS_1"
643 :     AC_MSG_RESULT($ac_align_jumps)
644 :    
645 : anton 1.271 if test -z "$LIBTOOL_CC"
646 :     then
647 :     LIBTOOL_CC="$CC"
648 :     # Try if GCC understands -Wimplicit-function-declaration
649 :     AC_MSG_CHECKING([if $CC understands -Wimplicit-function-declaration])
650 :     CFLAGS_1="$CFLAGS"
651 :     CFLAGS="$CFLAGS -Wimplicit-function-declaration"
652 :     AC_TRY_COMPILE(,,LIBTOOL_CC="$CC -Wimplicit-function-declaration",)
653 :     CFLAGS="$CFLAGS_1"
654 :     AC_MSG_RESULT($ac_align_jumps)
655 :     fi
656 :     AC_SUBST(LIBTOOL_CC)
657 :    
658 :    
659 :    
660 : anton 1.130 # Try if GCC understands __attribute__((unused))
661 :     AC_MSG_CHECKING([how to suppress 'unused variable' warnings])
662 :     AC_TRY_COMPILE(,[int __attribute__((unused)) foo;], MAYBE_UNUSED='__attribute__((unused))',)
663 :     AC_DEFINE_UNQUOTED(MAYBE_UNUSED,$MAYBE_UNUSED,[attribute for possibly unused variables])
664 :     AC_MSG_RESULT($MAYBE_UNUSED)
665 :    
666 : anton 1.195 #try if m4 understands -s
667 :     AC_MSG_CHECKING([how to invoke m4])
668 : anton 1.196 if m4 -s /dev/null >/dev/null 2>&1; then
669 : anton 1.195 M4="m4 -s"
670 :     else
671 :     M4=m4
672 :     fi
673 :     AC_SUBST(M4)
674 :     AC_MSG_RESULT($M4)
675 :    
676 : pazsan 1.202 # Find installed Gforth
677 :     AC_MSG_CHECKING([for gforth])
678 : anton 1.215 GFORTH="`cd / && which gforth 2>/dev/null`"
679 : anton 1.257 #the "$srcdir" = "." test defends agains the "../" bug in gforth-0.6.2
680 :     (cd / && $GFORTH -e bye >/dev/null 2>/dev/null && test "$srcdir" = ".") || GFORTH=""
681 : anton 1.215 if test -z "$GFORTH"; then
682 : anton 1.223 PREFORTH='echo "You need to configure with a gforth in \$PATH to build this part" && false'
683 : anton 1.233 kernel_anti_dependence=''
684 : anton 1.215 else
685 : anton 1.239 PREFORTH="$GFORTH -i `cd / && $GFORTH --debug -e bye 2>&1 |grep "Opened image file: "|sed 's/Opened image file: //'`" ;
686 : anton 1.233 kernel_anti_dependence='$(kernel_fi)'
687 : anton 1.215 fi
688 :     AC_SUBST(PREFORTH)
689 : anton 1.233 AC_SUBST(kernel_anti_dependence)
690 : anton 1.215 AC_MSG_RESULT($PREFORTH)
691 : pazsan 1.202
692 : anton 1.215 #echo "machine='$machine'"
693 : anton 1.191
694 :     dnl AC_CHECK_PROG(asm_fs,asm.fs,arch/$machine/asm.fs,,$srcdir/arch/$machine)
695 : pazsan 1.275 if test x$EC_MODE = xfalse
696 :     then
697 : dvdkhlng 1.278 AS_IF([test -f $srcdir/arch/$machine/asm.fs],
698 :     [asm_fs=arch/$machine/asm.fs])
699 : pazsan 1.275 fi
700 : anton 1.61 AC_SUBST(asm_fs)
701 :    
702 : anton 1.191 dnl AC_CHECK_PROG(disasm_fs,disasm.fs,arch/$machine/disasm.fs,,$srcdir/arch/$machine)
703 : pazsan 1.275 if test x$EC_MODE = xfalse
704 :     then
705 : dvdkhlng 1.278 AS_IF([test -f $srcdir/arch/$machine/disasm.fs],
706 :     [disasm_fs=arch/$machine/disasm.fs])
707 : pazsan 1.275 fi
708 : anton 1.61 AC_SUBST(disasm_fs)
709 :    
710 : anton 1.116 AC_PATH_PROG(INSTALL_INFO,install-info,[echo '>>>>Please make info dir entry:'],$PATH:/sbin:/usr/sbin:/usr/local/sbin)
711 : anton 1.114
712 : pazsan 1.39 case "$host_os" in
713 : pazsan 1.157 *win32*)
714 :     # !!!FIXME!!! problems with cygwin and ';' as path separator
715 : anton 1.108 DIRSEP="\\\\"
716 : anton 1.127 PATHSEP=";"
717 : anton 1.142 #we want the builtins of command.com/cmd.exe and its
718 :     # handling of .com files.
719 :     #$COMSPEC contains the name of the Windows shell;
720 :     # the ./ is there, because the bash does not recognize
721 :     # absolute DOS filenames
722 :     DEFAULTSYSTEMPREFIX="./$COMSPEC /c "
723 : pazsan 1.39 ;;
724 : anton 1.97 *darwin*)
725 :     #Darwin uses some funny preprocessor by default; eliminate it:
726 : anton 1.127 AC_MSG_NOTICE([using -no-cpp-precomp on Darwin])
727 : anton 1.120 CFLAGS="$CFLAGS -no-cpp-precomp"
728 : anton 1.98 DIRSEP="/"
729 : anton 1.127 PATHSEP=":"
730 : anton 1.141 DEFAULTSYSTEMPREFIX=""
731 : anton 1.243 #the following magic value was suggested by
732 :     #http://mail.python.org/pipermail/pythonmac-sig/2005-October/015190.html
733 :     AC_DEFINE_UNQUOTED(MACOSX_DEPLOYMENT_TARGET,"10.3",[an environment variable value needed by libtool on some MacOS X versions])
734 : anton 1.98 ;;
735 : pazsan 1.246 *linux*)
736 :     DIRSEP="/"
737 :     PATHSEP=":"
738 :     DEFAULTSYSTEMPREFIX=""
739 : anton 1.250 if test -z "$LTDL_LIBRARY_PATH" -a "$wordsize" = 64; then
740 : pazsan 1.253 LTDL_LIBRARY_PATH=`/sbin/ldconfig -p |tail -n +2 |sed 's/^.* => //'|sed 's|/[[^/]]*$||'| grep 64 | sort -u | tr '\n' : | sed -e 's/:$//'`
741 : pazsan 1.246 fi
742 :     ;;
743 : pazsan 1.39 *)
744 : pazsan 1.88 DIRSEP="/"
745 : anton 1.127 PATHSEP=":"
746 : anton 1.141 DEFAULTSYSTEMPREFIX=""
747 : pazsan 1.39 ;;
748 :     esac
749 : pazsan 1.88 AC_SUBST(DIRSEP)
750 : pazsan 1.89 AC_DEFINE_UNQUOTED(DIRSEP,'$DIRSEP',[a directory separator character])
751 : anton 1.127 AC_SUBST(PATHSEP)
752 :     AC_DEFINE_UNQUOTED(PATHSEP,'$PATHSEP',[a path separator character])
753 : anton 1.141 AC_SUBST(DEFAULTSYSTEMPREFIX)
754 :     AC_DEFINE_UNQUOTED(DEFAULTSYSTEMPREFIX,"$DEFAULTSYSTEMPREFIX",[default for environment variable GFORTHSYSTEMPREFIX])
755 : anton 1.250 if test -n "$LTDL_LIBRARY_PATH"; then
756 :     AC_DEFINE_UNQUOTED(LTDL_LIBRARY_PATH,"$LTDL_LIBRARY_PATH",[Define LTDL_LIBRARY_PATH for 64 bit Linux])
757 :     fi
758 : pazsan 1.39
759 : anton 1.170 #work around SELinux brain damage (from Andrew Haley <12t8f3jakb74g2c@news.supernews.com>)
760 : anton 1.172 #This magic incantation seems to be completely undocumented.
761 :     AC_CHECK_PROG([MASSAGE_EXE],[chcon],[chcon -t unconfined_execmem_exec_t],[true])
762 : anton 1.170
763 : anton 1.1 dnl Now a little support for DOS/DJGCC
764 : pazsan 1.276 GFORTHFAST_EXE="$GFORTH_EXE"
765 :     GFORTHITC_EXE="$GFORTH_EXE"
766 :     GFORTHDITC_EXE="$GFORTH_EXE"
767 : pazsan 1.30 AC_SUBST(GFORTH_EXE)
768 : anton 1.48 AC_SUBST(GFORTHFAST_EXE)
769 : anton 1.83 AC_SUBST(GFORTHITC_EXE)
770 : pazsan 1.30 AC_SUBST(GFORTHDITC_EXE)
771 : anton 1.27
772 :     AC_SUBST(FORTHSIZES)
773 : anton 1.24
774 : anton 1.104 dnl if test "$PEEPHOLE" = "yes"
775 :     dnl then
776 :     dnl PEEPHOLEFLAG="true"
777 :     dnl AC_DEFINE(HAS_PEEPHOLE,,[Define if you want to use peephole optimization])
778 :     dnl else
779 :     dnl PEEPHOLEFLAG="false"
780 :     dnl fi
781 :     PEEPHOLEFLAG="true"
782 : pazsan 1.79 AC_SUBST(PEEPHOLEFLAG)
783 :    
784 : anton 1.1 dnl copy commands for systems that don't have links
785 : pazsan 1.29 AC_SUBST(LINK_KERNL)
786 :     LINK_KERNL=""
787 : anton 1.1
788 :     #if test $host_os=dos
789 :     #then
790 :     # echo Configuring for DOS!!!
791 :     # MAKE_EXE="coff2exe gforth"
792 : pazsan 1.29 # LINK_KERNL='$(CP) kernl32l.fi kernel.fi'
793 : anton 1.1 #fi
794 :    
795 :     dnl the following macro produces a warning with autoconf-2.1
796 :     AC_C_BIGENDIAN
797 : pazsan 1.23 AC_SUBST(KERNEL)
798 : anton 1.1 dnl ac_cv_c_bigendian is an undocumented variable of autoconf-2.1
799 : pazsan 1.256 if test $ac_cv_c_bigendian != no; then
800 : anton 1.1 bytesex=b
801 : pazsan 1.23 KERNEL="kernl16b.fi kernl16l.fi kernl32b.fi kernl32l.fi kernl64b.fi kernl64l.fi"
802 : anton 1.1 else
803 :     bytesex=l
804 : pazsan 1.23 KERNEL="kernl16l.fi kernl16b.fi kernl32l.fi kernl32b.fi kernl64l.fi kernl64b.fi"
805 : anton 1.1 fi
806 :    
807 : anton 1.91 #check how to do asm(".skip 16")
808 : anton 1.169 #echo "CFLAGS=$CFLAGS"
809 :     #echo "ac_link=$ac_link"
810 : anton 1.92 AC_MSG_CHECKING([if and how we can waste code space])
811 : dvdkhlng 1.279 if test -z "$skipcode" && test x$cross_compiling = xyes; then
812 :     # we cannot perform the AC_TRY_RUN check when cross-compiling.
813 :     skipcode=no
814 :     AC_MSG_RESULT([$skipcode, can't run checks since cross-compiling])
815 :     elif test -z "$skipcode"; then
816 : anton 1.148 skipcode=no
817 :     CFLAGS_1="$CFLAGS"
818 :     CFLAGS="$CFLAGS $ENGINE_FLAGS"
819 : anton 1.136 for i in ".skip 16" ".block 16" ".org .+16" ".=.+16" ".space 16"
820 :     do
821 : anton 1.91 AC_TRY_RUN(
822 : anton 1.136 [int foo(int,int,int);
823 : anton 1.91 main()
824 :     {
825 : anton 1.136 exit(foo(0,0,0)!=16);
826 : anton 1.91 }
827 : anton 1.136 int foo(int x, int y, int z)
828 : anton 1.91 {
829 : anton 1.136 static void *labels[]={&&label1, &&label2};
830 : anton 1.91 if (x) {
831 : anton 1.136 y++; /* workaround for http://gcc.gnu.org/bugzilla/show_bug.cgi?id=12108 */
832 : anton 1.91 label1:
833 : anton 1.148 asm("$i"); /* or ".space 16" or somesuch */
834 : anton 1.136 label2: ;
835 :     }
836 :     {
837 :     if (y) goto *labels[z]; /* workaround for gcc PR12108 */
838 :     return labels[1]-labels[0];
839 : anton 1.91 }
840 : anton 1.136 }]
841 : anton 1.92 ,skipcode=$i; break
842 :     ,,)
843 : anton 1.136 done
844 : anton 1.148 CFLAGS=$CFLAGS_1
845 : anton 1.136 fi
846 : anton 1.92 AC_MSG_RESULT($skipcode)
847 :     if test "$skipcode" = no
848 :     then
849 : anton 1.136 if test -z $no_dynamic_default; then
850 :     no_dynamic_default=1
851 :     AC_MSG_WARN(Disabling default dynamic native code generation)
852 :     fi
853 : dvdkhlng 1.280 AC_DEFINE_UNQUOTED(SKIP16,asm(""),statement for skipping 16 bytes)
854 : anton 1.92 else
855 :     AC_DEFINE_UNQUOTED(SKIP16,asm("$skipcode"),statement for skipping 16 bytes)
856 :     fi
857 : anton 1.91
858 : anton 1.174 AC_MSG_CHECKING([if and how we can do comments in asm statements])
859 :     #the point here is to get asm statements that look different to
860 :     #gcc's "optimizer"
861 :     if test -z "$asmcomment"; then
862 :     asmcomment=no
863 :     CFLAGS_1="$CFLAGS"
864 :     CFLAGS="$CFLAGS $ENGINE_FLAGS"
865 : anton 1.176 for i in '"# "' '"! "' '"; "'; do
866 : anton 1.174 AC_TRY_COMPILE(,[asm($i"fluffystunk");],asmcomment=$i; break,)
867 :     done
868 :     CFLAGS=$CFLAGS_1
869 :     fi
870 :     AC_MSG_RESULT($asmcomment)
871 :     if test "$asmcomment" != no
872 :     then
873 :     AC_DEFINE_UNQUOTED(ASMCOMMENT,$asmcomment,[assembler comment start string])
874 :     fi
875 :    
876 : anton 1.136 test "$no_dynamic_default" || no_dynamic_default=0
877 : anton 1.92 AC_DEFINE_UNQUOTED(NO_DYNAMIC_DEFAULT,$no_dynamic_default,default value for no_dynamic)
878 : anton 1.91
879 : anton 1.1 dnl Checks for programs.
880 :     AC_PROG_LN_S
881 : anton 1.95 AC_PROG_INSTALL
882 : pazsan 1.163 AC_CHECK_PROGS(TEXI2DVI,texi2dvi4a2ps texi2dvi)
883 : anton 1.1
884 : anton 1.198 dnl MacOS X has a libtool that does something else
885 : pazsan 1.264 AC_CHECK_PROGS(GNU_LIBTOOL,"glibtool --tag=CC" libtool)
886 : anton 1.198
887 : anton 1.269 dnl Checks for library functions
888 :     dnl This check is just for making later checks link with libm.
889 :     dnl using sin here is no good idea since it is built-into gcc and typechecked
890 :     AC_CHECK_LIB(m,asin)
891 :     AC_CHECK_LIB(ltdl,lt_dlinit)
892 :    
893 :     if test -n "$GNU_LIBTOOL" -a $ac_cv_lib_ltdl_lt_dlinit = yes; then
894 : anton 1.258 build_libcc_named=build-libcc-named
895 :     else
896 :     build_libcc_named=""
897 : anton 1.274 AC_MSG_WARN([No GNU_LIBTOOL found, skip pre-building libcc-based libraries])
898 : anton 1.258 fi
899 :     AC_SUBST(build_libcc_named)
900 :    
901 : anton 1.274
902 :     if test -z "$GNU_LIBTOOL"; then
903 :     AC_MSG_WARN([No GNU_LIBTOOL found, using "libtool" as name.])
904 :     AC_MSG_WARN([libcc.fs won't work until you have installed (GNU) libtool.])
905 :     GNU_LIBTOOL=libtool
906 :     fi
907 :    
908 : anton 1.235 #check for libffi 2.x
909 : anton 1.237 AC_CHECK_HEADER(ffi.h,FFI_H_NAME=ffi.h,)
910 :     if test -z "$FFI_H_NAME"; then
911 :     AC_CHECK_HEADER(ffi/ffi.h,FFI_H_NAME=ffi/ffi.h,)
912 :     fi
913 :     AC_SUBST(FFI_H_NAME)
914 : anton 1.235 AC_CHECK_LIB(ffi,ffi_call)
915 : anton 1.241 if test -n "$FFI_H_NAME" -a $ac_cv_lib_ffi_ffi_call = yes
916 : anton 1.235 then
917 :     LIBFFIFLAG="true"
918 : anton 1.236 LIBCC_BUILD_SRC="$LIBCC_BUILD_SRC libffi.fs"
919 : anton 1.235 else
920 :     LIBFFIFLAG="false"
921 :     fi
922 :     #check for ffcall libraries
923 :     #unfortunately, these four calls are separated out into a library each.
924 :     AC_CHECK_LIB(avcall,__builtin_avcall)
925 : pazsan 1.234 dnl AC_CHECK_LIB(callback,__vacall_r)
926 :     dnl AC_CHECK_LIB(vacall,vacall)
927 :     dnl AC_CHECK_LIB(trampoline,alloc_trampoline)
928 : anton 1.235 if test $ac_cv_lib_avcall___builtin_avcall = yes; then
929 :     FFCALLFLAG="true"
930 : anton 1.236 LIBCC_BUILD_SRC="$LIBCC_BUILD_SRC fflib.fs"
931 : anton 1.235 else
932 :     FFCALLFLAG="false"
933 :     fi
934 :     if test $LIBFFIFLAG = false -a $FFCALLFLAG = false; then
935 :     AC_MSG_WARN([The (old) lib.fs foreign function interface needs either libffi or the ffcall libraries])
936 :     fi
937 :     AC_SUBST(LIBFFIFLAG)
938 :     AC_SUBST(FFCALLFLAG)
939 : anton 1.236 AC_SUBST(LIBCC_BUILD_SRC)
940 : pazsan 1.32 if test "$host_os" != "nextstep3"
941 :     then
942 :     AC_FUNC_MEMCMP
943 :     fi
944 : pazsan 1.25 AC_REPLACE_FUNCS(memmove strtoul pow10 strerror strsignal atanh)
945 : anton 1.97 AC_FUNC_FSEEKO
946 : anton 1.186 AC_CHECK_FUNCS(ftello dlopen sys_siglist getrusage nanosleep)
947 : anton 1.111 AC_CHECK_TYPES(stack_t,,,[#include <signal.h>])
948 : anton 1.19 AC_DECL_SYS_SIGLIST
949 : anton 1.138 AC_CHECK_FUNC(getopt_long,[true],[AC_LIBOBJ(getopt) AC_LIBOBJ(getopt1)])
950 : anton 1.90 AC_CHECK_FUNCS(expm1 log1p)
951 :     AC_REPLACE_FUNCS(rint ecvt)
952 : anton 1.1 dnl No check for select, because our replacement is no good under
953 :     dnl anything but DOS
954 : pazsan 1.277 AC_CHECK_HEADERS(sys/mman.h fnmatch.h alloca.h wchar.h endian.h)
955 : anton 1.63 AC_FUNC_FNMATCH
956 : pazsan 1.87 test $ac_cv_func_fnmatch_works = yes || AC_LIBOBJ(fnmatch)
957 : anton 1.255 AC_CHECK_FUNCS(mmap sysconf getpagesize wcwidth)
958 : anton 1.34 AM_PATH_LISPDIR
959 : anton 1.1
960 : pazsan 1.183 kernel_fi=kernl${vwordsize}${bytesex}.fi
961 : pazsan 1.178 include_fi=kernl${wordsize}${bytesex}${EC}.fi
962 : pazsan 1.23 AC_SUBST(kernel_fi)
963 : pazsan 1.178 AC_SUBST(include_fi)
964 : jwilke 1.50
965 : anton 1.76 #this breaks bindists
966 :     #dnl replace srource directory by absolute value
967 :     #if test $srcdir = "."; then srcdir=`pwd`
968 :     #fi
969 : anton 1.8
970 : anton 1.34 AC_SUBST(machine)
971 : anton 1.95 AC_CONFIG_FILES([
972 : anton 1.31 Makefile
973 : pazsan 1.45 Makedist
974 : anton 1.43 gforthmi
975 : anton 1.80 vmgen
976 : pazsan 1.79 machpc.fs
977 : pazsan 1.159 envos.fs
978 : anton 1.223 preforth
979 : anton 1.35 engine/Makefile
980 : anton 1.188 engine/libcc.h
981 : pazsan 1.161 doc/version.texi
982 :     build-ec ])
983 : anton 1.95 AC_CONFIG_COMMANDS([stamp-h],[[echo timestamp > stamp-h
984 : anton 1.43 chmod +x gforthmi
985 : anton 1.80 chmod +x vmgen
986 : pazsan 1.162 chmod +x build-ec
987 : anton 1.223 chmod +x preforth
988 : anton 1.188 test -d kernel||mkdir kernel
989 : anton 1.258 if test $srcdir != "."; then ln -sf $srcdir/gforth.el .; fi
990 : anton 1.188 $srcdir/mkinstalldirs include/gforth/$PACKAGE_VERSION
991 : anton 1.262 $srcdir/mkinstalldirs arch/$machine
992 :     ln -sf ../../../engine/config.h ../../../engine/libcc.h include/gforth/$PACKAGE_VERSION]],
993 :     [PACKAGE_VERSION=$PACKAGE_VERSION
994 :     machine=$machine])
995 : anton 1.95 AC_OUTPUT

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