[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 1.287 #Copyright (C) 1995,1996,1997,1998,2000,2003,2004,2005,2006,2007,2008,2009,2010 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 1.285 AC_INIT([gforth],[0.7.9-20101227],[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 1.285 UPDATED="December 27, 2010"
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=${withval}
109 : pazsan 1.182 fi])
110 : pazsan 1.167
111 : pazsan 1.290 AC_ARG_WITH(cross,
112 :     AC_HELP_STRING([--with-cross=<arch>],
113 :     [ Build gforth using a cross compiler.]),
114 :     [if test "$withval" = "no"; then
115 :     echo "defining hosted system"
116 :     else
117 :     echo "defining cross compiled system (${withval})"
118 :     if test -f "arch/$host_cpu/${withval}/config.sh"; then
119 :     source "arch/$host_cpu/${withval}/config.sh"
120 :     fi
121 :     GCC_PATH=$(which $CC)
122 :     LIB_PATH=${GCC_PATH%/*/*}
123 :     GCC_LD="\$(LD)"
124 :     platform=${withval}
125 :     fi])
126 :    
127 : anton 1.104 #variables mentioned in INSTALL
128 : anton 1.203 AC_ARG_VAR(CC, [The C compiler (must support GNU C 2.x).])
129 : anton 1.104 AC_ARG_VAR(FORTHSIZES, [Gforth command line options for the default stack and dictionary sizes (see INSTALL).])
130 : 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).])
131 : 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).])
132 : 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)])
133 : anton 1.236 AC_ARG_VAR(LIBCC_BUILD_SRC, [(Additional) libcc interface source files that should be processed on building and installation (default none)])
134 : anton 1.173
135 : anton 1.104 AC_ARG_VAR(ac_cv_sizeof_char_p, [sizeof(char *)])
136 : pazsan 1.183 AC_ARG_VAR(ac_cv_sizeof_void_p, [sizeof(void *)])
137 : anton 1.104 AC_ARG_VAR(ac_cv_sizeof_char, [sizeof(char)])
138 :     AC_ARG_VAR(ac_cv_sizeof_short, [sizeof(short)])
139 :     AC_ARG_VAR(ac_cv_sizeof_int, [sizeof(int)])
140 :     AC_ARG_VAR(ac_cv_sizeof_long, [sizeof(long)])
141 :     AC_ARG_VAR(ac_cv_sizeof_long_long, [sizeof(long long)])
142 :     AC_ARG_VAR(ac_cv_sizeof_intptr_t, [sizeof(intptr_t)])
143 : anton 1.254 AC_ARG_VAR(ac_cv_sizeof_int128_t, [sizeof(int128_t)])
144 :     AC_ARG_VAR(ac_cv_sizeof_uint128_t, [sizeof(uint128_t)])
145 : anton 1.123 AC_ARG_VAR(ac_cv_c_bigendian, [Is the target big-endian ("yes" or "no")?])
146 :     AC_ARG_VAR(no_dynamic_default, [run gforth with --dynamic (0) or --no-dynamic (1) by default])
147 : anton 1.190 AC_ARG_VAR(condbranch_opt, [enable (1) or disable (0) using two dispatches for conditional branches])
148 : anton 1.166 AC_ARG_VAR(skipcode, [assembly code for skipping 16 bytes of code])
149 : anton 1.174 AC_ARG_VAR(asmcomment, [assembler comment start string])
150 : anton 1.175 AC_ARG_VAR(arm_cacheflush, [file containing ARM cacheflush function (without .c)])
151 : anton 1.250 AC_ARG_VAR(LTDL_LIBRARY_PATH, [additional directories for libltdl (for some 64-bit platforms)])
152 : anton 1.82
153 : anton 1.96 #set up feature test macros, so the tests get them right:
154 :     # turn on all POSIX, SUSv3, and GNU features if available
155 : anton 1.97 AC_GNU_SOURCE
156 :     dnl AC_DEFINE_UNQUOTED([_GNU_SOURCE],1,[feature test macro])
157 :    
158 :     dnl Don't define _POSIX_SOURCE etc. because some OSs (in particular
159 :     dnl MacOSX) disable some features then (MacOSX checks for _POSIX_SOURCE,
160 :     dnl but not for _XOPEN_SOURCE)
161 :     dnl AC_DEFINE_UNQUOTED([_POSIX_SOURCE],1,[feature test macro])
162 :     dnl AC_DEFINE_UNQUOTED([_POSIX_C_SOURCE],199506L,[feature test macro])
163 :     dnl AC_DEFINE_UNQUOTED([_XOPEN_SOURCE],600,[feature test macro])
164 : anton 1.96 # turn on large file support with 64-bit off_t where available
165 : anton 1.105 AC_SYS_LARGEFILE
166 :     dnl AC_DEFINE_UNQUOTED([_LARGEFILE_SOURCE],1,[feature test macro])
167 :     dnl AC_DEFINE_UNQUOTED([_FILE_OFFSET_BITS],64,[feature test macro])
168 : anton 1.96
169 : anton 1.82 #currently we force direct threading this way. Eventually we should
170 :     #setup in the arch and engine files right
171 : anton 1.16
172 : pazsan 1.15 AC_PROG_CC
173 :    
174 : anton 1.92 test "$GCC" = "yes" || AC_MSG_ERROR(Gforth uses GNU C extensions and requires GCC 2.0 or higher)
175 : pazsan 1.9
176 : anton 1.190 AC_MSG_CHECKING([whether to use two dispatches per conditional branch])
177 :     test x$condbranch_opt = x &&
178 : anton 1.238 if ($CC -v 2>&1 |grep 'gcc version 3' >/dev/null); then
179 : anton 1.190 condbranch_opt=0
180 :     else
181 :     condbranch_opt=1
182 :     fi
183 :     AC_MSG_RESULT($condbranch_opt)
184 :     AC_SUBST(condbranch_opt)
185 :    
186 : pazsan 1.15 AC_SUBST(CC)
187 : pazsan 1.183 AC_SUBST(GCC_LD)
188 : pazsan 1.9 AC_SUBST(DEBUGFLAG)
189 : pazsan 1.178 AC_SUBST(EC)
190 : pazsan 1.275 AC_SUBST(NO_EC)
191 : pazsan 1.167 AC_SUBST(EC_MODE)
192 : pazsan 1.178 AC_SUBST(engine2)
193 :     AC_SUBST(engine_fast2)
194 :     AC_SUBST(no_dynamic)
195 :     AC_SUBST(image_i)
196 : pazsan 1.179 AC_SUBST(signals_o)
197 : anton 1.7
198 : anton 1.174 #this is used to disable some (not generally essential) part of the
199 :     #Makefile that some makes don't grok. It would be better to test for
200 :     #this specific Makefile feature than the make version.
201 : pazsan 1.128 AC_MSG_CHECKING(make type)
202 : anton 1.174 make_type=`make -n -v 2>&1|grep 'ake'|sed 's/ake .*/ake/'`
203 : pazsan 1.128 GNUMAKE='#'
204 :     test "$make_type" = "GNU Make" && GNUMAKE=''
205 :     AC_MSG_RESULT($make_type)
206 :     AC_SUBST(GNUMAKE)
207 :    
208 : jwilke 1.50 AC_MSG_CHECKING([whether the linker accepts -export-dynamic])
209 :     OLDLDFLAGS=$LDFLAGS
210 :     LDFLAGS="$LDFLAGS -export-dynamic"
211 : anton 1.69 dnl AC_TRY_LINK gives false positive on rs6000-ibm-aix4.2.1.0
212 :     dnl AC_TRY_LINK(,,ac_export_dynamic=yes,ac_export_dynamic=no)
213 :     AC_TRY_RUN(main(){exit(0);},ac_export_dynamic=yes,ac_export_dynamic=no,ac_export_dynamic=no)
214 : jwilke 1.50 test $ac_export_dynamic = yes|| LDFLAGS=$OLDLDFLAGS
215 :     AC_MSG_RESULT($ac_export_dynamic)
216 :    
217 : anton 1.1 #terminology is a bit unusual here: The host is the system on which
218 :     #gforth will run; the system on which configure will run is the `build'
219 :     case "$host_cpu" in
220 : anton 1.136 arm*)
221 :     machine=arm
222 :     CFLAGS="$CFLAGS -fomit-frame-pointer"
223 : pazsan 1.184 if test x$platform = xnxt; then
224 : pazsan 1.183 CFLAGS="$CFLAGS -mthumb -mthumb-interwork"
225 :     fi
226 : anton 1.175 if test -z $arm_cacheflush; then
227 : dvdkhlng 1.212 case "$host_os" in
228 :     *linux*)
229 : anton 1.260 AC_LIBOBJ(../arch/arm/cacheflush-linux)
230 : dvdkhlng 1.212 ;;
231 :     *)
232 :     no_dynamic_default=1
233 : anton 1.260 AC_LIBOBJ(../arch/arm/cacheflush0)
234 : dvdkhlng 1.212 AC_MSG_WARN([No I-cache flush code known, disabling dynamic native code generation])
235 :     ;;
236 :     esac
237 : anton 1.260 else
238 :     AC_LIBOBJ(../$arm_cacheflush)
239 :     test $srcdir = . || AC_MSG_WARN([setting arm_cacheflush requires building in the source directory])
240 : anton 1.136 fi
241 : anton 1.177 #longer skipcodes lead to problems on ARM, and it uses
242 :     #only 4-byte alignment anyway
243 :     test "$skipcode" || skipcode="nop"
244 : anton 1.136 ;;
245 : anton 1.1 hppa*)
246 : anton 1.34 machine=hppa
247 : pazsan 1.87 AC_LIBOBJ(../arch/hppa/cache)
248 : anton 1.134 #-N needed for --dynamic <M4U3b.3790$9d.317@news.cpqcorp.net>
249 :     LDFLAGS="$LDFLAGS -Xlinker -N"
250 : anton 1.47 LIBS="$LIBS -L/lib/pa1.1/"
251 : anton 1.1 ;;
252 :     sparc*)
253 : anton 1.34 machine=sparc
254 : anton 1.1 ;;
255 : anton 1.31 i386)
256 : anton 1.34 machine=386
257 : anton 1.189 CFLAGS="$CFLAGS -fomit-frame-pointer -fforce-addr"
258 : anton 1.31 ;;
259 :     i486)
260 : anton 1.34 machine=386
261 : dvdkhlng 1.282 CFLAGS="$CFLAGS -fomit-frame-pointer -fforce-addr"
262 :     CFLAGS_1="$CFLAGS"
263 :     CFLAGS="$CFLAGS -march=i486"
264 :     AC_TRY_COMPILE(,,,CFLAGS="$CFLAGS_1 -m486")
265 :     AC_TRY_COMPILE(,,,CFLAGS="$CFLAGS_1")
266 : anton 1.31 ;;
267 : anton 1.77 i*86)
268 : anton 1.34 machine=386
269 : anton 1.189 CFLAGS="$CFLAGS -fomit-frame-pointer -fforce-addr"
270 : pazsan 1.56 CFLAGS_1="$CFLAGS"
271 : dvdkhlng 1.282 CFLAGS="$CFLAGS -march=pentium -mtune=generic"
272 :     AC_TRY_COMPILE(,,,CFLAGS="$CFLAGS_1 -march=pentium")
273 : pazsan 1.56 AC_TRY_COMPILE(,,,CFLAGS="$CFLAGS_1 -m486")
274 : dvdkhlng 1.282 AC_TRY_COMPILE(,,,CFLAGS="$CFLAGS_1")
275 : anton 1.1 ;;
276 : anton 1.133 x86_64)
277 : pazsan 1.192 case $CC
278 :     in
279 :     *-m32*)
280 :     machine=386
281 :     CFLAGS="$CFLAGS -fomit-frame-pointer -fforce-addr"
282 :     CFLAGS_1="$CFLAGS"
283 :     CFLAGS="$CFLAGS -march=athlon64"
284 :     ;;
285 :     *)
286 :     machine=amd64
287 :     ;;
288 :     esac
289 : anton 1.133 ;;
290 : anton 1.136 ia64*)
291 :     machine=ia64
292 :     AC_LIBOBJ(../arch/ia64/flush_icache_block)
293 :     test "$skipcode" || skipcode="nop.i 0"
294 :     #".skip 16" passes the test below,
295 :     # but gives an assembler error in engine
296 :     ;;
297 : pazsan 1.26 m68k)
298 : anton 1.34 machine=m68k
299 : pazsan 1.32 CFLAGS="$CFLAGS -fomit-frame-pointer"
300 :     if test "$host_os" = "nextstep3"
301 :     then
302 : pazsan 1.87 AC_LIBOBJ(termios)
303 : pazsan 1.32 fi
304 : pazsan 1.26 ;;
305 : anton 1.1 mips*)
306 : anton 1.34 machine=mips
307 : dvdkhlng 1.281 AC_LIBOBJ(../arch/mips/check_prim)
308 : anton 1.92 #dynamic native code has the following problems on MIPS:
309 :     #
310 :     #1) J/JAL seems relocatable, but is are only
311 :     #relocatable within a 256MB-segment. While we try to
312 :     #get the linker to arrange this, there is no guarantee
313 :     #that this will succeed (and if the user uses a lot of
314 :     #memory, it is likely to fail).
315 :     #
316 :     #2) The way we generate dynamic native code may
317 :     #violate MIPS architectural restrictions (in
318 :     #particular, the delay slots of LW, MFLO, etc.)
319 :     #
320 :     #Therefore we disable dynamic native code by default:
321 : anton 1.255 if test -z "$no_dynamic_default"; then
322 : anton 1.136 no_dynamic_default=1
323 :     AC_MSG_WARN([Disabling default dynamic native code generation (relocation and delay slot issues)])
324 :     fi
325 : anton 1.1 ;;
326 : pazsan 1.9 alpha*)
327 : anton 1.34 machine=alpha
328 : anton 1.58 #full IEEE FP support for more uniformity across platforms:
329 :     CFLAGS="$CFLAGS -mieee"
330 : pazsan 1.9 ;;
331 : anton 1.69 power*|rs6000)
332 : anton 1.34 machine=power
333 : anton 1.138 AC_CHECK_FUNC(_sync_cache_range,[true],[AC_LIBOBJ(../arch/power/_sync_cache_range)])
334 : anton 1.103 #long long is broken on (at least) gcc-2.95.* for PPC
335 : anton 1.165 test x$ac_cv_sizeof_long_long = x &&
336 : anton 1.238 ($CC -v 2>&1 |grep 'gcc version 2.95' >/dev/null) &&
337 : anton 1.263 ac_cv_sizeof_long_long=0
338 : anton 1.203 #The only architecture with enough callee-saved registers
339 :     test x$STACK_CACHE_REGS = x && STACK_CACHE_REGS=3
340 :     #or use 2, hardly slower at run-time and starts up faster
341 : anton 1.263
342 :     #the skipcode that is normally selected below does not
343 :     #work with gcc-3.[34]
344 :     test "$skipcode" || skipcode="nop\nnop\nnop\nnop"
345 : anton 1.31 ;;
346 : anton 1.1 *)
347 : anton 1.92 AC_MSG_WARN([Using a generic machine description])
348 :     AC_MSG_WARN([Assuming C floats and doubles are IEEE floats and doubles (for SF@ DF@ SF! DF!)])
349 :     AC_MSG_WARN([FLUSH-ICACHE will do nothing, so END-CODE may not work properly!])
350 : anton 1.34 machine=generic
351 : anton 1.97 #I-cache flushing would be needed for dynamic code generation
352 : anton 1.136 if test -z $no_dynamic_default; then
353 :     no_dynamic_default=1
354 :     AC_MSG_WARN([No I-cache flush code known, disabling dynamic native code generation])
355 :     fi
356 : anton 1.1 esac
357 : anton 1.10 AC_SUBST(host)
358 : anton 1.151
359 : pazsan 1.184 MAKEINC=""
360 : pazsan 1.276 GFORTH_EXE="true"
361 : pazsan 1.184
362 :     echo "Check for arch/$machine/$platform/gforth.ld ($EC_MODE)"
363 : pazsan 1.183 if test x$EC_MODE = xtrue
364 :     then
365 : pazsan 1.184 echo "Check for arch/$machine/$platform/gforth.ld"
366 :     if test -f arch/$machine/$platform/gforth.ld
367 : pazsan 1.183 then
368 : pazsan 1.184 LDFLAGS="-T ../arch/$machine/$platform/gforth.ld -Map \$@.map -cref --gc-sections $LDFLAGS"
369 :     if test x$platform = xnxt; then
370 : 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 $LIBS"
371 :     fi
372 :     fi
373 : pazsan 1.184 if test -f arch/$machine/$platform/make.inc
374 :     then
375 :     MAKEINC="include ../arch/$machine/$platform/make.inc"
376 : pazsan 1.276 GFORTH_EXE="\$(MAKE) -f arch/$machine/$platform/make.inc \$@.exe"
377 : pazsan 1.184 fi
378 : pazsan 1.183 fi
379 : pazsan 1.184 AC_SUBST(MAKEINC)
380 : pazsan 1.183
381 : anton 1.203 AC_ARG_VAR(STACK_CACHE_REGS, [number of registers in the maximum stack cache state for gforth-fast and gforth-native (default platform-dependent).])
382 :    
383 :     test x$STACK_CACHE_REGS = x && STACK_CACHE_REGS=1
384 :     AC_DEFINE_UNQUOTED(STACK_CACHE_REGS, $STACK_CACHE_REGS,
385 :     [number of registers in the maximum stack cache state for gforth-fast and gforth-native])
386 : anton 1.151 test x$STACK_CACHE_DEFAULT_FAST = x && STACK_CACHE_DEFAULT_FAST=1
387 :     AC_DEFINE_UNQUOTED(STACK_CACHE_DEFAULT_FAST, $STACK_CACHE_DEFAULT_FAST,
388 :     [number of registers in the default stack cache state for gforth-fast and gforth-native])
389 : pazsan 1.146
390 : anton 1.173 test x$GCC_PR15242_WORKAROUND = x ||
391 :     AC_DEFINE_UNQUOTED(GCC_PR15242_WORKAROUND, $GCC_PR15242_WORKAROUND,
392 :     [force (1) or forbid (0) use of a workaround for a gcc performance bug])
393 :    
394 : anton 1.103 dnl the following macro produces a warning with autoconf-2.1
395 :     AC_CHECK_SIZEOF(char *)
396 :     case "$ac_cv_sizeof_char_p" in
397 :     2)
398 :     wordsize=16
399 :     ;;
400 :     4)
401 :     wordsize=32
402 :     ;;
403 :     8)
404 :     wordsize=64
405 :     ;;
406 :     esac
407 :    
408 : pazsan 1.183 AC_CHECK_SIZEOF(void *)
409 :     case "$ac_cv_sizeof_void_p" in
410 :     2)
411 :     vwordsize=16
412 :     ;;
413 :     4)
414 :     vwordsize=32
415 :     ;;
416 :     8)
417 :     vwordsize=64
418 :     ;;
419 :     esac
420 :    
421 : anton 1.103 AC_CHECK_SIZEOF(char)
422 :     AC_CHECK_SIZEOF(short)
423 :     AC_CHECK_SIZEOF(int)
424 :     AC_CHECK_SIZEOF(long)
425 :     AC_CHECK_SIZEOF(long long)
426 :     AC_CHECK_SIZEOF(intptr_t)
427 :     AC_CHECK_SIZEOF(int128_t)
428 : pazsan 1.144 AC_CHECK_SIZEOF(uint128_t)
429 : anton 1.103
430 :     AC_MSG_CHECKING([for a C type for cells])
431 :     ac_cv_int_type_cell=none
432 :     case "$ac_cv_sizeof_char_p" in
433 :     $ac_cv_sizeof_int)
434 :     ac_cv_int_type_cell=int
435 :     ;;
436 :     $ac_cv_sizeof_short)
437 :     ac_cv_int_type_cell=short
438 :     ;;
439 :     $ac_cv_sizeof_char)
440 :     ac_cv_int_type_cell=char
441 :     ;;
442 :     $ac_cv_sizeof_long)
443 :     ac_cv_int_type_cell=long
444 :     ;;
445 :     $ac_cv_sizeof_long_long)
446 :     ac_cv_int_type_cell="long long"
447 :     ;;
448 :     $ac_cv_sizeof_intptr_t)
449 :     ac_cv_int_type_cell="intptr_t"
450 :     ;;
451 :     esac
452 :     AC_MSG_RESULT($ac_cv_int_type_cell)
453 :     AC_DEFINE_UNQUOTED(CELL_TYPE,$ac_cv_int_type_cell,[an integer type that is as long as a pointer])
454 :    
455 : pazsan 1.153 AC_MSG_CHECKING([for a C type for wydes])
456 :     ac_cv_wyde_type_cell=none
457 :     case 2 in
458 :     $ac_cv_sizeof_int)
459 :     ac_cv_wyde_type_cell=int
460 :     ;;
461 :     $ac_cv_sizeof_short)
462 :     ac_cv_wyde_type_cell=short
463 :     ;;
464 :     $ac_cv_sizeof_char)
465 :     ac_cv_wyde_type_cell=char
466 :     ;;
467 :     $ac_cv_sizeof_long)
468 :     ac_cv_wyde_type_cell=long
469 :     ;;
470 :     $ac_cv_sizeof_long_long)
471 :     ac_cv_wyde_type_cell="long long"
472 :     ;;
473 :     $ac_cv_sizeof_intptr_t)
474 :     ac_cv_wyde_type_cell="intptr_t"
475 :     ;;
476 :     esac
477 :     AC_MSG_RESULT($ac_cv_wyde_type_cell)
478 :     AC_DEFINE_UNQUOTED(WYDE_TYPE,$ac_cv_wyde_type_cell,[an integer type that is 2 bytes long])
479 :    
480 :     AC_MSG_CHECKING([for a C type for tetrabytes])
481 :     ac_cv_tetrabyte_type_cell=none
482 :     case 4 in
483 :     $ac_cv_sizeof_int)
484 :     ac_cv_tetrabyte_type_cell=int
485 :     ;;
486 :     $ac_cv_sizeof_short)
487 :     ac_cv_tetrabyte_type_cell=short
488 :     ;;
489 :     $ac_cv_sizeof_char)
490 :     ac_cv_tetrabyte_type_cell=char
491 :     ;;
492 :     $ac_cv_sizeof_long)
493 :     ac_cv_tetrabyte_type_cell=long
494 :     ;;
495 :     $ac_cv_sizeof_long_long)
496 :     ac_cv_tetrabyte_type_cell="long long"
497 :     ;;
498 :     $ac_cv_sizeof_intptr_t)
499 :     ac_cv_tetrabyte_type_cell="intptr_t"
500 :     ;;
501 :     esac
502 :     AC_MSG_RESULT($ac_cv_tetrabyte_type_cell)
503 :     AC_DEFINE_UNQUOTED(TETRABYTE_TYPE,$ac_cv_tetrabyte_type_cell,[an integer type that is 4 bytes long])
504 :    
505 : pazsan 1.277 AC_MSG_CHECKING([for a C type for octabytes])
506 :     ac_cv_octabyte_type_cell=none
507 :     case 8 in
508 :     $ac_cv_sizeof_int)
509 :     ac_cv_octabyte_type_cell=int
510 :     ;;
511 :     $ac_cv_sizeof_short)
512 :     ac_cv_octabyte_type_cell=short
513 :     ;;
514 :     $ac_cv_sizeof_char)
515 :     ac_cv_octabyte_type_cell=char
516 :     ;;
517 :     $ac_cv_sizeof_long)
518 :     ac_cv_octabyte_type_cell=long
519 :     ;;
520 :     $ac_cv_sizeof_long_long)
521 :     ac_cv_octabyte_type_cell="long long"
522 :     ;;
523 :     $ac_cv_sizeof_intptr_t)
524 :     ac_cv_octabyte_type_cell="intptr_t"
525 :     ;;
526 :     esac
527 :     AC_MSG_RESULT($ac_cv_octabyte_type_cell)
528 :     AC_DEFINE_UNQUOTED(OCTABYTE_TYPE,$ac_cv_octabyte_type_cell,[an integer type that is 8 bytes long])
529 :    
530 : anton 1.103 AC_MSG_CHECKING([for a C type for double-cells])
531 :     ac_cv_int_type_double_cell=none
532 :     case `expr 2 '*' "$ac_cv_sizeof_char_p"` in
533 :     $ac_cv_sizeof_short)
534 :     ac_cv_int_type_double_cell=short
535 :     ;;
536 :     $ac_cv_sizeof_int)
537 :     ac_cv_int_type_double_cell=int
538 :     ;;
539 :     $ac_cv_sizeof_long)
540 :     ac_cv_int_type_double_cell=long
541 :     ;;
542 :     $ac_cv_sizeof_long_long)
543 :     ac_cv_int_type_double_cell="long long"
544 :     ;;
545 :     $ac_cv_sizeof_intptr_t)
546 :     ac_cv_int_type_double_cell="intptr_t"
547 :     ;;
548 : anton 1.205 $ac_cv_sizeof_int128_t)
549 : anton 1.103 ac_cv_int_type_double_cell="int128_t"
550 :     ;;
551 :     esac
552 :     AC_MSG_RESULT($ac_cv_int_type_double_cell)
553 : pazsan 1.144
554 :     AC_MSG_CHECKING([for a C type for unsigned double-cells])
555 :     ac_cv_int_type_double_ucell=none
556 :     case `expr 2 '*' "$ac_cv_sizeof_char_p"` in
557 :     $ac_cv_sizeof_short)
558 :     ac_cv_int_type_double_ucell="unsigned short"
559 :     ;;
560 :     $ac_cv_sizeof_int)
561 :     ac_cv_int_type_double_ucell="unsigned int"
562 :     ;;
563 :     $ac_cv_sizeof_long)
564 :     ac_cv_int_type_double_ucell="unsigned long"
565 :     ;;
566 :     $ac_cv_sizeof_long_long)
567 :     ac_cv_int_type_double_ucell="unsigned long long"
568 :     ;;
569 :     $ac_cv_sizeof_intptr_t)
570 :     ac_cv_int_type_double_ucell="unsigned intptr_t"
571 :     ;;
572 :     $ac_cv_sizeof_uint128_t)
573 :     ac_cv_int_type_double_ucell="uint128_t"
574 :     ;;
575 :     esac
576 :     AC_MSG_RESULT($ac_cv_int_type_double_ucell)
577 :    
578 : anton 1.204 if test "$ac_cv_int_type_double_cell" != none && \
579 :     test "$ac_cv_int_type_double_ucell" != none
580 : pazsan 1.144 then
581 : anton 1.103 AC_DEFINE_UNQUOTED(DOUBLE_CELL_TYPE,$ac_cv_int_type_double_cell,[an integer type that is twice as long as a pointer])
582 : pazsan 1.144 AC_DEFINE_UNQUOTED(DOUBLE_UCELL_TYPE,$ac_cv_int_type_double_ucell,[an unsigned integer type that is twice as long as a pointer])
583 : anton 1.206 OPTS=-ll
584 :     else
585 : pazsan 1.217 if test "$ac_cv_sizeof_char_p" = 8; then
586 : anton 1.213 OPTS="-ll -noll"
587 : anton 1.206 else
588 :     OPTS=-noll
589 :     fi
590 : anton 1.103 fi
591 : anton 1.207
592 : anton 1.258 if grep FORCE_REG $srcdir/arch/$machine/machine.h >/dev/null; then
593 : pazsan 1.227 OPTS2=''
594 :     for i in $OPTS; do OPTS2="$OPTS2 $i-reg"; done
595 :     OPTS="$OPTS2 $OPTS"
596 : anton 1.223 else
597 :     AC_DEFINE_UNQUOTED(FORCE_REG_UNNECESSARY,,[defined if the platform does not need FORCE_REG])
598 : anton 1.207 fi
599 : anton 1.206 AC_SUBST(OPTS)
600 : anton 1.103
601 :     AC_TYPE_OFF_T
602 :     AC_CHECK_SIZEOF(off_t)
603 :     test $ac_cv_sizeof_off_t -gt $ac_cv_sizeof_char_p
604 :     ac_small_off_t=$?
605 :     AC_DEFINE_UNQUOTED(SMALL_OFF_T,$ac_small_off_t,[1 if off_t fits in a Cell])
606 : anton 1.1
607 : anton 1.109 ENGINE_FLAGS=
608 :     AC_SUBST(ENGINE_FLAGS)
609 :    
610 :     # Try if GCC understands -fno-gcse
611 :    
612 :     AC_MSG_CHECKING([if $CC understands -fno-gcse])
613 :     CFLAGS_1="$CFLAGS"
614 :     CFLAGS="$CFLAGS -fno-gcse"
615 :     AC_TRY_COMPILE(,,ac_nogcse=yes;ENGINE_FLAGS="$ENGINE_FLAGS -fno-gcse",ac_nogcse=no)
616 :     CFLAGS="$CFLAGS_1"
617 :     AC_MSG_RESULT($ac_nogcse)
618 :    
619 :     # Try if GCC understands -fno-strict-aliasing
620 :     AC_MSG_CHECKING([if $CC understands -fno-strict-aliasing])
621 :     CFLAGS_1="$CFLAGS"
622 :     CFLAGS="$CFLAGS -fno-strict-aliasing"
623 :     AC_TRY_COMPILE(,,ac_nostrictaliasing=yes;ENGINE_FLAGS="$ENGINE_FLAGS -fno-strict-aliasing",ac_nostrictaliasing=no)
624 :     CFLAGS="$CFLAGS_1"
625 :     AC_MSG_RESULT($ac_nostrictaliasing)
626 :    
627 : anton 1.123 # Try if GCC understands -fno-crossjumping
628 :     AC_MSG_CHECKING([if $CC understands -fno-crossjumping])
629 : pazsan 1.88 CFLAGS_1="$CFLAGS"
630 : anton 1.123 CFLAGS="$CFLAGS -fno-crossjumping"
631 : anton 1.125 AC_TRY_COMPILE(,,ac_nocrossjumping=yes;ENGINE_FLAGS="$ENGINE_FLAGS -fno-crossjumping",ac_nocrossjumping=no)
632 : anton 1.109 CFLAGS="$CFLAGS_1"
633 : pazsan 1.124 AC_MSG_RESULT($ac_nocrossjumping)
634 : pazsan 1.88
635 : pazsan 1.137 # Try if GCC understands -fno-reorder-blocks
636 :     AC_MSG_CHECKING([if $CC understands -fno-reorder-blocks])
637 :     CFLAGS_1="$CFLAGS"
638 :     CFLAGS="$CFLAGS -fno-reorder-blocks"
639 :     AC_TRY_COMPILE(,,ac_noreorder_blocks=yes;ENGINE_FLAGS="$ENGINE_FLAGS -fno-reorder-blocks",ac_noreorder_blocks=no)
640 :     CFLAGS="$CFLAGS_1"
641 :     AC_MSG_RESULT($ac_noreorder_blocks)
642 :    
643 : anton 1.189 # Try if GCC understands -falign-labels=1
644 :     AC_MSG_CHECKING([if $CC understands -falign-labels=1])
645 :     CFLAGS_1="$CFLAGS"
646 :     CFLAGS="$CFLAGS -falign-labels=1"
647 : anton 1.194 AC_TRY_COMPILE(,,ac_align_labels=yes;ENGINE_FLAGS="$ENGINE_FLAGS -falign-labels=1",ac_align_labels=no)
648 : anton 1.189 CFLAGS="$CFLAGS_1"
649 :     AC_MSG_RESULT($ac_align_labels)
650 :    
651 : anton 1.193 # Try if GCC understands -falign-loops=1
652 :     AC_MSG_CHECKING([if $CC understands -falign-loops=1])
653 :     CFLAGS_1="$CFLAGS"
654 :     CFLAGS="$CFLAGS -falign-loops=1"
655 : anton 1.194 AC_TRY_COMPILE(,,ac_align_loops=yes;ENGINE_FLAGS="$ENGINE_FLAGS -falign-loops=1",ac_align_loops=no)
656 : anton 1.193 CFLAGS="$CFLAGS_1"
657 :     AC_MSG_RESULT($ac_align_loops)
658 :    
659 :     # Try if GCC understands -falign-jumps=1
660 :     AC_MSG_CHECKING([if $CC understands -falign-jumps=1])
661 :     CFLAGS_1="$CFLAGS"
662 :     CFLAGS="$CFLAGS -falign-jumps=1"
663 : anton 1.194 AC_TRY_COMPILE(,,ac_align_jumps=yes;ENGINE_FLAGS="$ENGINE_FLAGS -falign-jumps=1",ac_align_jumps=no)
664 : anton 1.193 CFLAGS="$CFLAGS_1"
665 :     AC_MSG_RESULT($ac_align_jumps)
666 :    
667 : anton 1.271 if test -z "$LIBTOOL_CC"
668 :     then
669 :     LIBTOOL_CC="$CC"
670 :     # Try if GCC understands -Wimplicit-function-declaration
671 :     AC_MSG_CHECKING([if $CC understands -Wimplicit-function-declaration])
672 :     CFLAGS_1="$CFLAGS"
673 :     CFLAGS="$CFLAGS -Wimplicit-function-declaration"
674 :     AC_TRY_COMPILE(,,LIBTOOL_CC="$CC -Wimplicit-function-declaration",)
675 :     CFLAGS="$CFLAGS_1"
676 :     AC_MSG_RESULT($ac_align_jumps)
677 :     fi
678 :     AC_SUBST(LIBTOOL_CC)
679 :    
680 :    
681 :    
682 : anton 1.130 # Try if GCC understands __attribute__((unused))
683 :     AC_MSG_CHECKING([how to suppress 'unused variable' warnings])
684 :     AC_TRY_COMPILE(,[int __attribute__((unused)) foo;], MAYBE_UNUSED='__attribute__((unused))',)
685 :     AC_DEFINE_UNQUOTED(MAYBE_UNUSED,$MAYBE_UNUSED,[attribute for possibly unused variables])
686 :     AC_MSG_RESULT($MAYBE_UNUSED)
687 :    
688 : anton 1.289 # Try if GCC understands __thread
689 :     AC_MSG_CHECKING([whether gcc understands '__thread'])
690 :     AC_TRY_COMPILE(,[extern __thread int foo;],PER_THREAD='__thread',)
691 :     AC_DEFINE_UNQUOTED(PER_THREAD,$PER_THREAD,[storage class for thread-local variables])
692 :     AC_MSG_RESULT($PER_THREAD)
693 :    
694 : anton 1.195 #try if m4 understands -s
695 :     AC_MSG_CHECKING([how to invoke m4])
696 : anton 1.196 if m4 -s /dev/null >/dev/null 2>&1; then
697 : anton 1.195 M4="m4 -s"
698 :     else
699 :     M4=m4
700 :     fi
701 :     AC_SUBST(M4)
702 :     AC_MSG_RESULT($M4)
703 :    
704 : pazsan 1.202 # Find installed Gforth
705 :     AC_MSG_CHECKING([for gforth])
706 : anton 1.215 GFORTH="`cd / && which gforth 2>/dev/null`"
707 : anton 1.257 #the "$srcdir" = "." test defends agains the "../" bug in gforth-0.6.2
708 :     (cd / && $GFORTH -e bye >/dev/null 2>/dev/null && test "$srcdir" = ".") || GFORTH=""
709 : anton 1.215 if test -z "$GFORTH"; then
710 : anton 1.223 PREFORTH='echo "You need to configure with a gforth in \$PATH to build this part" && false'
711 : anton 1.233 kernel_anti_dependence=''
712 : anton 1.215 else
713 : anton 1.239 PREFORTH="$GFORTH -i `cd / && $GFORTH --debug -e bye 2>&1 |grep "Opened image file: "|sed 's/Opened image file: //'`" ;
714 : anton 1.233 kernel_anti_dependence='$(kernel_fi)'
715 : anton 1.215 fi
716 :     AC_SUBST(PREFORTH)
717 : anton 1.233 AC_SUBST(kernel_anti_dependence)
718 : anton 1.215 AC_MSG_RESULT($PREFORTH)
719 : pazsan 1.202
720 : anton 1.215 #echo "machine='$machine'"
721 : anton 1.191
722 :     dnl AC_CHECK_PROG(asm_fs,asm.fs,arch/$machine/asm.fs,,$srcdir/arch/$machine)
723 : pazsan 1.275 if test x$EC_MODE = xfalse
724 :     then
725 : dvdkhlng 1.278 AS_IF([test -f $srcdir/arch/$machine/asm.fs],
726 :     [asm_fs=arch/$machine/asm.fs])
727 : pazsan 1.275 fi
728 : anton 1.61 AC_SUBST(asm_fs)
729 :    
730 : anton 1.191 dnl AC_CHECK_PROG(disasm_fs,disasm.fs,arch/$machine/disasm.fs,,$srcdir/arch/$machine)
731 : pazsan 1.275 if test x$EC_MODE = xfalse
732 :     then
733 : dvdkhlng 1.278 AS_IF([test -f $srcdir/arch/$machine/disasm.fs],
734 :     [disasm_fs=arch/$machine/disasm.fs])
735 : pazsan 1.275 fi
736 : anton 1.61 AC_SUBST(disasm_fs)
737 :    
738 : anton 1.116 AC_PATH_PROG(INSTALL_INFO,install-info,[echo '>>>>Please make info dir entry:'],$PATH:/sbin:/usr/sbin:/usr/local/sbin)
739 : anton 1.114
740 : pazsan 1.39 case "$host_os" in
741 : pazsan 1.157 *win32*)
742 :     # !!!FIXME!!! problems with cygwin and ';' as path separator
743 : anton 1.108 DIRSEP="\\\\"
744 : anton 1.127 PATHSEP=";"
745 : anton 1.142 #we want the builtins of command.com/cmd.exe and its
746 :     # handling of .com files.
747 :     #$COMSPEC contains the name of the Windows shell;
748 :     # the ./ is there, because the bash does not recognize
749 :     # absolute DOS filenames
750 :     DEFAULTSYSTEMPREFIX="./$COMSPEC /c "
751 : pazsan 1.39 ;;
752 : anton 1.97 *darwin*)
753 :     #Darwin uses some funny preprocessor by default; eliminate it:
754 : anton 1.127 AC_MSG_NOTICE([using -no-cpp-precomp on Darwin])
755 : anton 1.120 CFLAGS="$CFLAGS -no-cpp-precomp"
756 : anton 1.98 DIRSEP="/"
757 : anton 1.127 PATHSEP=":"
758 : anton 1.141 DEFAULTSYSTEMPREFIX=""
759 : anton 1.243 #the following magic value was suggested by
760 :     #http://mail.python.org/pipermail/pythonmac-sig/2005-October/015190.html
761 :     AC_DEFINE_UNQUOTED(MACOSX_DEPLOYMENT_TARGET,"10.3",[an environment variable value needed by libtool on some MacOS X versions])
762 : anton 1.98 ;;
763 : pazsan 1.246 *linux*)
764 :     DIRSEP="/"
765 :     PATHSEP=":"
766 :     DEFAULTSYSTEMPREFIX=""
767 : anton 1.250 if test -z "$LTDL_LIBRARY_PATH" -a "$wordsize" = 64; then
768 : pazsan 1.253 LTDL_LIBRARY_PATH=`/sbin/ldconfig -p |tail -n +2 |sed 's/^.* => //'|sed 's|/[[^/]]*$||'| grep 64 | sort -u | tr '\n' : | sed -e 's/:$//'`
769 : pazsan 1.246 fi
770 :     ;;
771 : pazsan 1.39 *)
772 : pazsan 1.88 DIRSEP="/"
773 : anton 1.127 PATHSEP=":"
774 : anton 1.141 DEFAULTSYSTEMPREFIX=""
775 : pazsan 1.39 ;;
776 :     esac
777 : pazsan 1.88 AC_SUBST(DIRSEP)
778 : pazsan 1.89 AC_DEFINE_UNQUOTED(DIRSEP,'$DIRSEP',[a directory separator character])
779 : anton 1.127 AC_SUBST(PATHSEP)
780 :     AC_DEFINE_UNQUOTED(PATHSEP,'$PATHSEP',[a path separator character])
781 : anton 1.141 AC_SUBST(DEFAULTSYSTEMPREFIX)
782 :     AC_DEFINE_UNQUOTED(DEFAULTSYSTEMPREFIX,"$DEFAULTSYSTEMPREFIX",[default for environment variable GFORTHSYSTEMPREFIX])
783 : anton 1.250 if test -n "$LTDL_LIBRARY_PATH"; then
784 :     AC_DEFINE_UNQUOTED(LTDL_LIBRARY_PATH,"$LTDL_LIBRARY_PATH",[Define LTDL_LIBRARY_PATH for 64 bit Linux])
785 :     fi
786 : pazsan 1.39
787 : anton 1.170 #work around SELinux brain damage (from Andrew Haley <12t8f3jakb74g2c@news.supernews.com>)
788 : anton 1.172 #This magic incantation seems to be completely undocumented.
789 :     AC_CHECK_PROG([MASSAGE_EXE],[chcon],[chcon -t unconfined_execmem_exec_t],[true])
790 : anton 1.170
791 : anton 1.1 dnl Now a little support for DOS/DJGCC
792 : pazsan 1.276 GFORTHFAST_EXE="$GFORTH_EXE"
793 :     GFORTHITC_EXE="$GFORTH_EXE"
794 :     GFORTHDITC_EXE="$GFORTH_EXE"
795 : pazsan 1.30 AC_SUBST(GFORTH_EXE)
796 : anton 1.48 AC_SUBST(GFORTHFAST_EXE)
797 : anton 1.83 AC_SUBST(GFORTHITC_EXE)
798 : pazsan 1.30 AC_SUBST(GFORTHDITC_EXE)
799 : anton 1.27
800 :     AC_SUBST(FORTHSIZES)
801 : anton 1.24
802 : anton 1.104 dnl if test "$PEEPHOLE" = "yes"
803 :     dnl then
804 :     dnl PEEPHOLEFLAG="true"
805 :     dnl AC_DEFINE(HAS_PEEPHOLE,,[Define if you want to use peephole optimization])
806 :     dnl else
807 :     dnl PEEPHOLEFLAG="false"
808 :     dnl fi
809 :     PEEPHOLEFLAG="true"
810 : pazsan 1.79 AC_SUBST(PEEPHOLEFLAG)
811 :    
812 : anton 1.1 dnl copy commands for systems that don't have links
813 : pazsan 1.29 AC_SUBST(LINK_KERNL)
814 :     LINK_KERNL=""
815 : anton 1.1
816 :     #if test $host_os=dos
817 :     #then
818 :     # echo Configuring for DOS!!!
819 :     # MAKE_EXE="coff2exe gforth"
820 : pazsan 1.29 # LINK_KERNL='$(CP) kernl32l.fi kernel.fi'
821 : anton 1.1 #fi
822 :    
823 :     dnl the following macro produces a warning with autoconf-2.1
824 :     AC_C_BIGENDIAN
825 : pazsan 1.23 AC_SUBST(KERNEL)
826 : anton 1.1 dnl ac_cv_c_bigendian is an undocumented variable of autoconf-2.1
827 : pazsan 1.256 if test $ac_cv_c_bigendian != no; then
828 : anton 1.1 bytesex=b
829 : pazsan 1.23 KERNEL="kernl16b.fi kernl16l.fi kernl32b.fi kernl32l.fi kernl64b.fi kernl64l.fi"
830 : anton 1.1 else
831 :     bytesex=l
832 : pazsan 1.23 KERNEL="kernl16l.fi kernl16b.fi kernl32l.fi kernl32b.fi kernl64l.fi kernl64b.fi"
833 : anton 1.1 fi
834 :    
835 : anton 1.91 #check how to do asm(".skip 16")
836 : anton 1.169 #echo "CFLAGS=$CFLAGS"
837 :     #echo "ac_link=$ac_link"
838 : anton 1.92 AC_MSG_CHECKING([if and how we can waste code space])
839 : dvdkhlng 1.279 if test -z "$skipcode" && test x$cross_compiling = xyes; then
840 :     # we cannot perform the AC_TRY_RUN check when cross-compiling.
841 :     skipcode=no
842 :     AC_MSG_RESULT([$skipcode, can't run checks since cross-compiling])
843 :     elif test -z "$skipcode"; then
844 : anton 1.148 skipcode=no
845 :     CFLAGS_1="$CFLAGS"
846 :     CFLAGS="$CFLAGS $ENGINE_FLAGS"
847 : anton 1.136 for i in ".skip 16" ".block 16" ".org .+16" ".=.+16" ".space 16"
848 :     do
849 : anton 1.91 AC_TRY_RUN(
850 : anton 1.136 [int foo(int,int,int);
851 : anton 1.91 main()
852 :     {
853 : anton 1.136 exit(foo(0,0,0)!=16);
854 : anton 1.91 }
855 : anton 1.136 int foo(int x, int y, int z)
856 : anton 1.91 {
857 : anton 1.136 static void *labels[]={&&label1, &&label2};
858 : anton 1.91 if (x) {
859 : anton 1.136 y++; /* workaround for http://gcc.gnu.org/bugzilla/show_bug.cgi?id=12108 */
860 : anton 1.91 label1:
861 : anton 1.148 asm("$i"); /* or ".space 16" or somesuch */
862 : anton 1.136 label2: ;
863 :     }
864 :     {
865 :     if (y) goto *labels[z]; /* workaround for gcc PR12108 */
866 :     return labels[1]-labels[0];
867 : anton 1.91 }
868 : anton 1.136 }]
869 : anton 1.92 ,skipcode=$i; break
870 :     ,,)
871 : anton 1.136 done
872 : anton 1.148 CFLAGS=$CFLAGS_1
873 : anton 1.136 fi
874 : anton 1.92 AC_MSG_RESULT($skipcode)
875 :     if test "$skipcode" = no
876 :     then
877 : anton 1.136 if test -z $no_dynamic_default; then
878 :     no_dynamic_default=1
879 :     AC_MSG_WARN(Disabling default dynamic native code generation)
880 :     fi
881 : dvdkhlng 1.280 AC_DEFINE_UNQUOTED(SKIP16,asm(""),statement for skipping 16 bytes)
882 : anton 1.92 else
883 :     AC_DEFINE_UNQUOTED(SKIP16,asm("$skipcode"),statement for skipping 16 bytes)
884 :     fi
885 : anton 1.91
886 : anton 1.174 AC_MSG_CHECKING([if and how we can do comments in asm statements])
887 :     #the point here is to get asm statements that look different to
888 :     #gcc's "optimizer"
889 :     if test -z "$asmcomment"; then
890 :     asmcomment=no
891 :     CFLAGS_1="$CFLAGS"
892 :     CFLAGS="$CFLAGS $ENGINE_FLAGS"
893 : anton 1.176 for i in '"# "' '"! "' '"; "'; do
894 : anton 1.174 AC_TRY_COMPILE(,[asm($i"fluffystunk");],asmcomment=$i; break,)
895 :     done
896 :     CFLAGS=$CFLAGS_1
897 :     fi
898 :     AC_MSG_RESULT($asmcomment)
899 :     if test "$asmcomment" != no
900 :     then
901 :     AC_DEFINE_UNQUOTED(ASMCOMMENT,$asmcomment,[assembler comment start string])
902 :     fi
903 :    
904 : anton 1.136 test "$no_dynamic_default" || no_dynamic_default=0
905 : anton 1.92 AC_DEFINE_UNQUOTED(NO_DYNAMIC_DEFAULT,$no_dynamic_default,default value for no_dynamic)
906 : anton 1.91
907 : anton 1.1 dnl Checks for programs.
908 :     AC_PROG_LN_S
909 : anton 1.95 AC_PROG_INSTALL
910 : pazsan 1.163 AC_CHECK_PROGS(TEXI2DVI,texi2dvi4a2ps texi2dvi)
911 : anton 1.1
912 : anton 1.288 dnl check for the presence of Emacs
913 :     AC_CHECK_PROGS(EMACS,emacs xemacs)
914 :     test -n "$EMACS" && gforth_elc=gforth.elc
915 :     AC_SUBST(gforth_elc)
916 :    
917 : anton 1.198 dnl MacOS X has a libtool that does something else
918 : pazsan 1.264 AC_CHECK_PROGS(GNU_LIBTOOL,"glibtool --tag=CC" libtool)
919 : anton 1.198
920 : anton 1.269 dnl Checks for library functions
921 :     dnl This check is just for making later checks link with libm.
922 :     dnl using sin here is no good idea since it is built-into gcc and typechecked
923 :     AC_CHECK_LIB(m,asin)
924 :     AC_CHECK_LIB(ltdl,lt_dlinit)
925 :    
926 :     if test -n "$GNU_LIBTOOL" -a $ac_cv_lib_ltdl_lt_dlinit = yes; then
927 : anton 1.258 build_libcc_named=build-libcc-named
928 :     else
929 :     build_libcc_named=""
930 : anton 1.274 AC_MSG_WARN([No GNU_LIBTOOL found, skip pre-building libcc-based libraries])
931 : anton 1.258 fi
932 :     AC_SUBST(build_libcc_named)
933 :    
934 : anton 1.274
935 :     if test -z "$GNU_LIBTOOL"; then
936 :     AC_MSG_WARN([No GNU_LIBTOOL found, using "libtool" as name.])
937 :     AC_MSG_WARN([libcc.fs won't work until you have installed (GNU) libtool.])
938 :     GNU_LIBTOOL=libtool
939 :     fi
940 :    
941 : anton 1.235 #check for libffi 2.x
942 : anton 1.237 AC_CHECK_HEADER(ffi.h,FFI_H_NAME=ffi.h,)
943 :     if test -z "$FFI_H_NAME"; then
944 :     AC_CHECK_HEADER(ffi/ffi.h,FFI_H_NAME=ffi/ffi.h,)
945 :     fi
946 :     AC_SUBST(FFI_H_NAME)
947 : pazsan 1.286 AC_CHECK_LIB(ffi,ffi_call,LIBS="$LIBS")
948 : anton 1.241 if test -n "$FFI_H_NAME" -a $ac_cv_lib_ffi_ffi_call = yes
949 : anton 1.235 then
950 :     LIBFFIFLAG="true"
951 : anton 1.236 LIBCC_BUILD_SRC="$LIBCC_BUILD_SRC libffi.fs"
952 : anton 1.235 else
953 :     LIBFFIFLAG="false"
954 :     fi
955 :     #check for ffcall libraries
956 :     #unfortunately, these four calls are separated out into a library each.
957 : pazsan 1.286 AC_CHECK_LIB(avcall,__builtin_avcall,LIBS="$LIBS")
958 : pazsan 1.234 dnl AC_CHECK_LIB(callback,__vacall_r)
959 :     dnl AC_CHECK_LIB(vacall,vacall)
960 :     dnl AC_CHECK_LIB(trampoline,alloc_trampoline)
961 : anton 1.235 if test $ac_cv_lib_avcall___builtin_avcall = yes; then
962 :     FFCALLFLAG="true"
963 : anton 1.236 LIBCC_BUILD_SRC="$LIBCC_BUILD_SRC fflib.fs"
964 : anton 1.235 else
965 :     FFCALLFLAG="false"
966 :     fi
967 :     if test $LIBFFIFLAG = false -a $FFCALLFLAG = false; then
968 :     AC_MSG_WARN([The (old) lib.fs foreign function interface needs either libffi or the ffcall libraries])
969 :     fi
970 :     AC_SUBST(LIBFFIFLAG)
971 :     AC_SUBST(FFCALLFLAG)
972 : anton 1.236 AC_SUBST(LIBCC_BUILD_SRC)
973 : pazsan 1.32 if test "$host_os" != "nextstep3"
974 :     then
975 :     AC_FUNC_MEMCMP
976 :     fi
977 : pazsan 1.25 AC_REPLACE_FUNCS(memmove strtoul pow10 strerror strsignal atanh)
978 : anton 1.97 AC_FUNC_FSEEKO
979 : anton 1.186 AC_CHECK_FUNCS(ftello dlopen sys_siglist getrusage nanosleep)
980 : anton 1.111 AC_CHECK_TYPES(stack_t,,,[#include <signal.h>])
981 : anton 1.19 AC_DECL_SYS_SIGLIST
982 : anton 1.138 AC_CHECK_FUNC(getopt_long,[true],[AC_LIBOBJ(getopt) AC_LIBOBJ(getopt1)])
983 : anton 1.90 AC_CHECK_FUNCS(expm1 log1p)
984 :     AC_REPLACE_FUNCS(rint ecvt)
985 : anton 1.1 dnl No check for select, because our replacement is no good under
986 :     dnl anything but DOS
987 : pazsan 1.277 AC_CHECK_HEADERS(sys/mman.h fnmatch.h alloca.h wchar.h endian.h)
988 : anton 1.63 AC_FUNC_FNMATCH
989 : pazsan 1.87 test $ac_cv_func_fnmatch_works = yes || AC_LIBOBJ(fnmatch)
990 : anton 1.255 AC_CHECK_FUNCS(mmap sysconf getpagesize wcwidth)
991 : anton 1.34 AM_PATH_LISPDIR
992 : anton 1.1
993 : pazsan 1.183 kernel_fi=kernl${vwordsize}${bytesex}.fi
994 : pazsan 1.178 include_fi=kernl${wordsize}${bytesex}${EC}.fi
995 : pazsan 1.23 AC_SUBST(kernel_fi)
996 : pazsan 1.178 AC_SUBST(include_fi)
997 : jwilke 1.50
998 : anton 1.76 #this breaks bindists
999 :     #dnl replace srource directory by absolute value
1000 :     #if test $srcdir = "."; then srcdir=`pwd`
1001 :     #fi
1002 : anton 1.8
1003 : anton 1.34 AC_SUBST(machine)
1004 : anton 1.95 AC_CONFIG_FILES([
1005 : anton 1.31 Makefile
1006 : pazsan 1.45 Makedist
1007 : anton 1.43 gforthmi
1008 : anton 1.80 vmgen
1009 : pazsan 1.79 machpc.fs
1010 : pazsan 1.159 envos.fs
1011 : anton 1.223 preforth
1012 : anton 1.35 engine/Makefile
1013 : anton 1.188 engine/libcc.h
1014 : pazsan 1.161 doc/version.texi
1015 :     build-ec ])
1016 : anton 1.95 AC_CONFIG_COMMANDS([stamp-h],[[echo timestamp > stamp-h
1017 : anton 1.43 chmod +x gforthmi
1018 : anton 1.80 chmod +x vmgen
1019 : pazsan 1.162 chmod +x build-ec
1020 : anton 1.223 chmod +x preforth
1021 : anton 1.188 test -d kernel||mkdir kernel
1022 : anton 1.258 if test $srcdir != "."; then ln -sf $srcdir/gforth.el .; fi
1023 : anton 1.188 $srcdir/mkinstalldirs include/gforth/$PACKAGE_VERSION
1024 : anton 1.262 $srcdir/mkinstalldirs arch/$machine
1025 :     ln -sf ../../../engine/config.h ../../../engine/libcc.h include/gforth/$PACKAGE_VERSION]],
1026 :     [PACKAGE_VERSION=$PACKAGE_VERSION
1027 :     machine=$machine])
1028 : anton 1.95 AC_OUTPUT

CVS Admin

Powered by ViewCVS 1.0-dev
(Powered by ViewCVS)

ViewCVS and CVS Help