[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 1.297 #Copyright (C) 1995,1996,1997,1998,2000,2003,2004,2005,2006,2007,2008,2009,2010,2011 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 1.299 AC_INIT([gforth],[0.7.9-20120317],[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 1.299 UPDATED="March 17, 2012"
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 "$withval" = "yes"; then DEBUGFLAG=-g; fi)
70 : pazsan 1.122
71 : pazsan 1.185 GCC_LD="\$(GCC)"
72 :     EC_MODE="false"
73 : pazsan 1.275 NO_EC=""
74 : pazsan 1.291 NO_CROSS=""
75 : pazsan 1.185 EC=""
76 : anton 1.204 engine2='engine2$(OPT).o'
77 :     engine_fast2='engine-fast2$(OPT).o'
78 : pazsan 1.185 no_dynamic=""
79 :     image_i=""
80 :     signals_o="io.o signals.o"
81 :    
82 : pazsan 1.275 AC_CANONICAL_HOST
83 : pazsan 1.182 AC_ARG_WITH(ec,
84 :     AC_HELP_STRING([--with-ec=<arch>],
85 : pazsan 1.168 [ Build gforth for systems without OS.]),
86 : pazsan 1.182 [if test "$withval" = "no"; then
87 :     echo "defining hosted system"
88 :     else
89 :     echo "defining standalone system (${withval})"
90 : pazsan 1.168 AC_DEFINE(STANDALONE,,[Define if you want a Gforth without OS])
91 : pazsan 1.167 EC_MODE="true"
92 : pazsan 1.178 EC="-ec"
93 : pazsan 1.275 NO_EC="#"
94 : pazsan 1.291 NO_CROSS="#"
95 : pazsan 1.178 engine2=""
96 :     engine_fast2=""
97 :     no_dynamic="-DNO_DYNAMIC"
98 :     image_i="image.i"
99 : pazsan 1.182 if test "$withval" != "yes"; then
100 :     signals_o="io-${withval}.o"
101 :     else
102 :     signals_o="io.o"
103 :     fi
104 : pazsan 1.275 if test -f "arch/$host_cpu/${withval}/config.sh"; then
105 :     source "arch/$host_cpu/${withval}/config.sh"
106 :     fi
107 : pazsan 1.183 GCC_PATH=$(which $CC)
108 :     LIB_PATH=${GCC_PATH%/*/*}
109 :     GCC_LD="\$(LD)"
110 : pazsan 1.184 platform=${withval}
111 : pazsan 1.182 fi])
112 : pazsan 1.167
113 : pazsan 1.290 AC_ARG_WITH(cross,
114 :     AC_HELP_STRING([--with-cross=<arch>],
115 :     [ Build gforth using a cross compiler.]),
116 :     [if test "$withval" = "no"; then
117 :     echo "defining hosted system"
118 :     else
119 :     echo "defining cross compiled system (${withval})"
120 :     if test -f "arch/$host_cpu/${withval}/config.sh"; then
121 :     source "arch/$host_cpu/${withval}/config.sh"
122 :     fi
123 :     GCC_PATH=$(which $CC)
124 :     LIB_PATH=${GCC_PATH%/*/*}
125 :     platform=${withval}
126 : pazsan 1.291 NO_EC=""
127 :     NO_CROSS="#"
128 : pazsan 1.290 fi])
129 :    
130 : anton 1.104 #variables mentioned in INSTALL
131 : anton 1.203 AC_ARG_VAR(CC, [The C compiler (must support GNU C 2.x).])
132 : anton 1.104 AC_ARG_VAR(FORTHSIZES, [Gforth command line options for the default stack and dictionary sizes (see INSTALL).])
133 : 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).])
134 : 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).])
135 : 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)])
136 : anton 1.236 AC_ARG_VAR(LIBCC_BUILD_SRC, [(Additional) libcc interface source files that should be processed on building and installation (default none)])
137 : anton 1.173
138 : anton 1.104 AC_ARG_VAR(ac_cv_sizeof_char_p, [sizeof(char *)])
139 : pazsan 1.183 AC_ARG_VAR(ac_cv_sizeof_void_p, [sizeof(void *)])
140 : anton 1.104 AC_ARG_VAR(ac_cv_sizeof_char, [sizeof(char)])
141 :     AC_ARG_VAR(ac_cv_sizeof_short, [sizeof(short)])
142 :     AC_ARG_VAR(ac_cv_sizeof_int, [sizeof(int)])
143 :     AC_ARG_VAR(ac_cv_sizeof_long, [sizeof(long)])
144 :     AC_ARG_VAR(ac_cv_sizeof_long_long, [sizeof(long long)])
145 :     AC_ARG_VAR(ac_cv_sizeof_intptr_t, [sizeof(intptr_t)])
146 : anton 1.254 AC_ARG_VAR(ac_cv_sizeof_int128_t, [sizeof(int128_t)])
147 :     AC_ARG_VAR(ac_cv_sizeof_uint128_t, [sizeof(uint128_t)])
148 : anton 1.123 AC_ARG_VAR(ac_cv_c_bigendian, [Is the target big-endian ("yes" or "no")?])
149 :     AC_ARG_VAR(no_dynamic_default, [run gforth with --dynamic (0) or --no-dynamic (1) by default])
150 : anton 1.190 AC_ARG_VAR(condbranch_opt, [enable (1) or disable (0) using two dispatches for conditional branches])
151 : anton 1.166 AC_ARG_VAR(skipcode, [assembly code for skipping 16 bytes of code])
152 : anton 1.174 AC_ARG_VAR(asmcomment, [assembler comment start string])
153 : anton 1.175 AC_ARG_VAR(arm_cacheflush, [file containing ARM cacheflush function (without .c)])
154 : anton 1.250 AC_ARG_VAR(LTDL_LIBRARY_PATH, [additional directories for libltdl (for some 64-bit platforms)])
155 : anton 1.82
156 : anton 1.96 #set up feature test macros, so the tests get them right:
157 :     # turn on all POSIX, SUSv3, and GNU features if available
158 : anton 1.97 AC_GNU_SOURCE
159 :     dnl AC_DEFINE_UNQUOTED([_GNU_SOURCE],1,[feature test macro])
160 :    
161 :     dnl Don't define _POSIX_SOURCE etc. because some OSs (in particular
162 :     dnl MacOSX) disable some features then (MacOSX checks for _POSIX_SOURCE,
163 :     dnl but not for _XOPEN_SOURCE)
164 :     dnl AC_DEFINE_UNQUOTED([_POSIX_SOURCE],1,[feature test macro])
165 :     dnl AC_DEFINE_UNQUOTED([_POSIX_C_SOURCE],199506L,[feature test macro])
166 :     dnl AC_DEFINE_UNQUOTED([_XOPEN_SOURCE],600,[feature test macro])
167 : anton 1.96 # turn on large file support with 64-bit off_t where available
168 : anton 1.105 AC_SYS_LARGEFILE
169 :     dnl AC_DEFINE_UNQUOTED([_LARGEFILE_SOURCE],1,[feature test macro])
170 :     dnl AC_DEFINE_UNQUOTED([_FILE_OFFSET_BITS],64,[feature test macro])
171 : anton 1.96
172 : anton 1.82 #currently we force direct threading this way. Eventually we should
173 :     #setup in the arch and engine files right
174 : anton 1.16
175 : pazsan 1.15 AC_PROG_CC
176 :    
177 : anton 1.92 test "$GCC" = "yes" || AC_MSG_ERROR(Gforth uses GNU C extensions and requires GCC 2.0 or higher)
178 : pazsan 1.9
179 : anton 1.190 AC_MSG_CHECKING([whether to use two dispatches per conditional branch])
180 :     test x$condbranch_opt = x &&
181 : anton 1.238 if ($CC -v 2>&1 |grep 'gcc version 3' >/dev/null); then
182 : anton 1.190 condbranch_opt=0
183 :     else
184 :     condbranch_opt=1
185 :     fi
186 :     AC_MSG_RESULT($condbranch_opt)
187 :     AC_SUBST(condbranch_opt)
188 :    
189 : pazsan 1.15 AC_SUBST(CC)
190 : pazsan 1.183 AC_SUBST(GCC_LD)
191 : pazsan 1.9 AC_SUBST(DEBUGFLAG)
192 : pazsan 1.178 AC_SUBST(EC)
193 : pazsan 1.275 AC_SUBST(NO_EC)
194 : pazsan 1.291 AC_SUBST(NO_CROSS)
195 : pazsan 1.167 AC_SUBST(EC_MODE)
196 : pazsan 1.178 AC_SUBST(engine2)
197 :     AC_SUBST(engine_fast2)
198 :     AC_SUBST(no_dynamic)
199 :     AC_SUBST(image_i)
200 : pazsan 1.179 AC_SUBST(signals_o)
201 : anton 1.7
202 : anton 1.174 #this is used to disable some (not generally essential) part of the
203 :     #Makefile that some makes don't grok. It would be better to test for
204 :     #this specific Makefile feature than the make version.
205 : pazsan 1.128 AC_MSG_CHECKING(make type)
206 : anton 1.174 make_type=`make -n -v 2>&1|grep 'ake'|sed 's/ake .*/ake/'`
207 : pazsan 1.128 GNUMAKE='#'
208 :     test "$make_type" = "GNU Make" && GNUMAKE=''
209 :     AC_MSG_RESULT($make_type)
210 :     AC_SUBST(GNUMAKE)
211 :    
212 : jwilke 1.50 AC_MSG_CHECKING([whether the linker accepts -export-dynamic])
213 :     OLDLDFLAGS=$LDFLAGS
214 :     LDFLAGS="$LDFLAGS -export-dynamic"
215 : anton 1.69 dnl AC_TRY_LINK gives false positive on rs6000-ibm-aix4.2.1.0
216 :     dnl AC_TRY_LINK(,,ac_export_dynamic=yes,ac_export_dynamic=no)
217 :     AC_TRY_RUN(main(){exit(0);},ac_export_dynamic=yes,ac_export_dynamic=no,ac_export_dynamic=no)
218 : jwilke 1.50 test $ac_export_dynamic = yes|| LDFLAGS=$OLDLDFLAGS
219 :     AC_MSG_RESULT($ac_export_dynamic)
220 :    
221 : anton 1.1 #terminology is a bit unusual here: The host is the system on which
222 :     #gforth will run; the system on which configure will run is the `build'
223 :     case "$host_cpu" in
224 : anton 1.136 arm*)
225 :     machine=arm
226 :     CFLAGS="$CFLAGS -fomit-frame-pointer"
227 : pazsan 1.184 if test x$platform = xnxt; then
228 : pazsan 1.183 CFLAGS="$CFLAGS -mthumb -mthumb-interwork"
229 :     fi
230 : anton 1.175 if test -z $arm_cacheflush; then
231 : dvdkhlng 1.212 case "$host_os" in
232 :     *linux*)
233 : anton 1.260 AC_LIBOBJ(../arch/arm/cacheflush-linux)
234 : dvdkhlng 1.212 ;;
235 :     *)
236 :     no_dynamic_default=1
237 : anton 1.260 AC_LIBOBJ(../arch/arm/cacheflush0)
238 : dvdkhlng 1.212 AC_MSG_WARN([No I-cache flush code known, disabling dynamic native code generation])
239 :     ;;
240 :     esac
241 : anton 1.260 else
242 :     AC_LIBOBJ(../$arm_cacheflush)
243 :     test $srcdir = . || AC_MSG_WARN([setting arm_cacheflush requires building in the source directory])
244 : anton 1.136 fi
245 : anton 1.177 #longer skipcodes lead to problems on ARM, and it uses
246 :     #only 4-byte alignment anyway
247 :     test "$skipcode" || skipcode="nop"
248 : anton 1.136 ;;
249 : anton 1.1 hppa*)
250 : anton 1.34 machine=hppa
251 : pazsan 1.87 AC_LIBOBJ(../arch/hppa/cache)
252 : anton 1.134 #-N needed for --dynamic <M4U3b.3790$9d.317@news.cpqcorp.net>
253 :     LDFLAGS="$LDFLAGS -Xlinker -N"
254 : anton 1.47 LIBS="$LIBS -L/lib/pa1.1/"
255 : anton 1.1 ;;
256 :     sparc*)
257 : anton 1.34 machine=sparc
258 : anton 1.1 ;;
259 : anton 1.31 i386)
260 : anton 1.34 machine=386
261 : anton 1.189 CFLAGS="$CFLAGS -fomit-frame-pointer -fforce-addr"
262 : anton 1.31 ;;
263 :     i486)
264 : anton 1.34 machine=386
265 : dvdkhlng 1.282 CFLAGS="$CFLAGS -fomit-frame-pointer -fforce-addr"
266 :     CFLAGS_1="$CFLAGS"
267 :     CFLAGS="$CFLAGS -march=i486"
268 :     AC_TRY_COMPILE(,,,CFLAGS="$CFLAGS_1 -m486")
269 :     AC_TRY_COMPILE(,,,CFLAGS="$CFLAGS_1")
270 : anton 1.31 ;;
271 : anton 1.77 i*86)
272 : anton 1.34 machine=386
273 : anton 1.189 CFLAGS="$CFLAGS -fomit-frame-pointer -fforce-addr"
274 : pazsan 1.56 CFLAGS_1="$CFLAGS"
275 : dvdkhlng 1.282 CFLAGS="$CFLAGS -march=pentium -mtune=generic"
276 :     AC_TRY_COMPILE(,,,CFLAGS="$CFLAGS_1 -march=pentium")
277 : pazsan 1.56 AC_TRY_COMPILE(,,,CFLAGS="$CFLAGS_1 -m486")
278 : dvdkhlng 1.282 AC_TRY_COMPILE(,,,CFLAGS="$CFLAGS_1")
279 : anton 1.1 ;;
280 : anton 1.133 x86_64)
281 : pazsan 1.192 case $CC
282 :     in
283 :     *-m32*)
284 :     machine=386
285 :     CFLAGS="$CFLAGS -fomit-frame-pointer -fforce-addr"
286 :     CFLAGS_1="$CFLAGS"
287 :     CFLAGS="$CFLAGS -march=athlon64"
288 :     ;;
289 :     *)
290 :     machine=amd64
291 :     ;;
292 :     esac
293 : anton 1.133 ;;
294 : anton 1.136 ia64*)
295 :     machine=ia64
296 :     AC_LIBOBJ(../arch/ia64/flush_icache_block)
297 :     test "$skipcode" || skipcode="nop.i 0"
298 :     #".skip 16" passes the test below,
299 :     # but gives an assembler error in engine
300 :     ;;
301 : pazsan 1.26 m68k)
302 : anton 1.34 machine=m68k
303 : pazsan 1.32 CFLAGS="$CFLAGS -fomit-frame-pointer"
304 :     if test "$host_os" = "nextstep3"
305 :     then
306 : pazsan 1.87 AC_LIBOBJ(termios)
307 : pazsan 1.32 fi
308 : pazsan 1.26 ;;
309 : anton 1.1 mips*)
310 : anton 1.34 machine=mips
311 : dvdkhlng 1.281 AC_LIBOBJ(../arch/mips/check_prim)
312 : anton 1.92 #dynamic native code has the following problems on MIPS:
313 :     #
314 :     #1) J/JAL seems relocatable, but is are only
315 :     #relocatable within a 256MB-segment. While we try to
316 :     #get the linker to arrange this, there is no guarantee
317 :     #that this will succeed (and if the user uses a lot of
318 :     #memory, it is likely to fail).
319 :     #
320 :     #2) The way we generate dynamic native code may
321 :     #violate MIPS architectural restrictions (in
322 :     #particular, the delay slots of LW, MFLO, etc.)
323 :     #
324 :     #Therefore we disable dynamic native code by default:
325 : anton 1.255 if test -z "$no_dynamic_default"; then
326 : anton 1.136 no_dynamic_default=1
327 :     AC_MSG_WARN([Disabling default dynamic native code generation (relocation and delay slot issues)])
328 :     fi
329 : anton 1.1 ;;
330 : pazsan 1.9 alpha*)
331 : anton 1.34 machine=alpha
332 : anton 1.58 #full IEEE FP support for more uniformity across platforms:
333 :     CFLAGS="$CFLAGS -mieee"
334 : pazsan 1.9 ;;
335 : anton 1.69 power*|rs6000)
336 : anton 1.34 machine=power
337 : anton 1.138 AC_CHECK_FUNC(_sync_cache_range,[true],[AC_LIBOBJ(../arch/power/_sync_cache_range)])
338 : anton 1.103 #long long is broken on (at least) gcc-2.95.* for PPC
339 : anton 1.165 test x$ac_cv_sizeof_long_long = x &&
340 : anton 1.238 ($CC -v 2>&1 |grep 'gcc version 2.95' >/dev/null) &&
341 : anton 1.263 ac_cv_sizeof_long_long=0
342 : anton 1.203 #The only architecture with enough callee-saved registers
343 :     test x$STACK_CACHE_REGS = x && STACK_CACHE_REGS=3
344 :     #or use 2, hardly slower at run-time and starts up faster
345 : anton 1.263
346 :     #the skipcode that is normally selected below does not
347 :     #work with gcc-3.[34]
348 :     test "$skipcode" || skipcode="nop\nnop\nnop\nnop"
349 : anton 1.31 ;;
350 : anton 1.1 *)
351 : anton 1.92 AC_MSG_WARN([Using a generic machine description])
352 :     AC_MSG_WARN([Assuming C floats and doubles are IEEE floats and doubles (for SF@ DF@ SF! DF!)])
353 :     AC_MSG_WARN([FLUSH-ICACHE will do nothing, so END-CODE may not work properly!])
354 : anton 1.34 machine=generic
355 : anton 1.97 #I-cache flushing would be needed for dynamic code generation
356 : anton 1.136 if test -z $no_dynamic_default; then
357 :     no_dynamic_default=1
358 :     AC_MSG_WARN([No I-cache flush code known, disabling dynamic native code generation])
359 :     fi
360 : anton 1.1 esac
361 : anton 1.10 AC_SUBST(host)
362 : anton 1.151
363 : pazsan 1.184 MAKEINC=""
364 : pazsan 1.276 GFORTH_EXE="true"
365 : pazsan 1.184
366 :     echo "Check for arch/$machine/$platform/gforth.ld ($EC_MODE)"
367 : pazsan 1.183 if test x$EC_MODE = xtrue
368 :     then
369 : pazsan 1.184 echo "Check for arch/$machine/$platform/gforth.ld"
370 :     if test -f arch/$machine/$platform/gforth.ld
371 : pazsan 1.183 then
372 : pazsan 1.184 LDFLAGS="-T ../arch/$machine/$platform/gforth.ld -Map \$@.map -cref --gc-sections $LDFLAGS"
373 :     if test x$platform = xnxt; then
374 : 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 $LIBS"
375 :     fi
376 :     fi
377 : pazsan 1.184 if test -f arch/$machine/$platform/make.inc
378 :     then
379 :     MAKEINC="include ../arch/$machine/$platform/make.inc"
380 : pazsan 1.276 GFORTH_EXE="\$(MAKE) -f arch/$machine/$platform/make.inc \$@.exe"
381 : pazsan 1.184 fi
382 : pazsan 1.183 fi
383 : pazsan 1.184 AC_SUBST(MAKEINC)
384 : pazsan 1.183
385 : anton 1.203 AC_ARG_VAR(STACK_CACHE_REGS, [number of registers in the maximum stack cache state for gforth-fast and gforth-native (default platform-dependent).])
386 :    
387 :     test x$STACK_CACHE_REGS = x && STACK_CACHE_REGS=1
388 :     AC_DEFINE_UNQUOTED(STACK_CACHE_REGS, $STACK_CACHE_REGS,
389 :     [number of registers in the maximum stack cache state for gforth-fast and gforth-native])
390 : anton 1.151 test x$STACK_CACHE_DEFAULT_FAST = x && STACK_CACHE_DEFAULT_FAST=1
391 :     AC_DEFINE_UNQUOTED(STACK_CACHE_DEFAULT_FAST, $STACK_CACHE_DEFAULT_FAST,
392 :     [number of registers in the default stack cache state for gforth-fast and gforth-native])
393 : pazsan 1.146
394 : anton 1.173 test x$GCC_PR15242_WORKAROUND = x ||
395 :     AC_DEFINE_UNQUOTED(GCC_PR15242_WORKAROUND, $GCC_PR15242_WORKAROUND,
396 :     [force (1) or forbid (0) use of a workaround for a gcc performance bug])
397 :    
398 : anton 1.103 dnl the following macro produces a warning with autoconf-2.1
399 :     AC_CHECK_SIZEOF(char *)
400 :     case "$ac_cv_sizeof_char_p" in
401 :     2)
402 :     wordsize=16
403 :     ;;
404 :     4)
405 :     wordsize=32
406 :     ;;
407 :     8)
408 :     wordsize=64
409 :     ;;
410 :     esac
411 :    
412 : pazsan 1.183 AC_CHECK_SIZEOF(void *)
413 :     case "$ac_cv_sizeof_void_p" in
414 :     2)
415 :     vwordsize=16
416 :     ;;
417 :     4)
418 :     vwordsize=32
419 :     ;;
420 :     8)
421 :     vwordsize=64
422 :     ;;
423 :     esac
424 :    
425 : anton 1.103 AC_CHECK_SIZEOF(char)
426 :     AC_CHECK_SIZEOF(short)
427 :     AC_CHECK_SIZEOF(int)
428 :     AC_CHECK_SIZEOF(long)
429 :     AC_CHECK_SIZEOF(long long)
430 :     AC_CHECK_SIZEOF(intptr_t)
431 :     AC_CHECK_SIZEOF(int128_t)
432 : pazsan 1.144 AC_CHECK_SIZEOF(uint128_t)
433 : anton 1.103
434 :     AC_MSG_CHECKING([for a C type for cells])
435 :     ac_cv_int_type_cell=none
436 :     case "$ac_cv_sizeof_char_p" in
437 :     $ac_cv_sizeof_int)
438 :     ac_cv_int_type_cell=int
439 :     ;;
440 :     $ac_cv_sizeof_short)
441 :     ac_cv_int_type_cell=short
442 :     ;;
443 :     $ac_cv_sizeof_char)
444 :     ac_cv_int_type_cell=char
445 :     ;;
446 :     $ac_cv_sizeof_long)
447 :     ac_cv_int_type_cell=long
448 :     ;;
449 :     $ac_cv_sizeof_long_long)
450 :     ac_cv_int_type_cell="long long"
451 :     ;;
452 :     $ac_cv_sizeof_intptr_t)
453 :     ac_cv_int_type_cell="intptr_t"
454 :     ;;
455 :     esac
456 :     AC_MSG_RESULT($ac_cv_int_type_cell)
457 :     AC_DEFINE_UNQUOTED(CELL_TYPE,$ac_cv_int_type_cell,[an integer type that is as long as a pointer])
458 :    
459 : pazsan 1.153 AC_MSG_CHECKING([for a C type for wydes])
460 :     ac_cv_wyde_type_cell=none
461 :     case 2 in
462 :     $ac_cv_sizeof_int)
463 :     ac_cv_wyde_type_cell=int
464 :     ;;
465 :     $ac_cv_sizeof_short)
466 :     ac_cv_wyde_type_cell=short
467 :     ;;
468 :     $ac_cv_sizeof_char)
469 :     ac_cv_wyde_type_cell=char
470 :     ;;
471 :     $ac_cv_sizeof_long)
472 :     ac_cv_wyde_type_cell=long
473 :     ;;
474 :     $ac_cv_sizeof_long_long)
475 :     ac_cv_wyde_type_cell="long long"
476 :     ;;
477 :     $ac_cv_sizeof_intptr_t)
478 :     ac_cv_wyde_type_cell="intptr_t"
479 :     ;;
480 :     esac
481 :     AC_MSG_RESULT($ac_cv_wyde_type_cell)
482 :     AC_DEFINE_UNQUOTED(WYDE_TYPE,$ac_cv_wyde_type_cell,[an integer type that is 2 bytes long])
483 :    
484 :     AC_MSG_CHECKING([for a C type for tetrabytes])
485 :     ac_cv_tetrabyte_type_cell=none
486 :     case 4 in
487 :     $ac_cv_sizeof_int)
488 :     ac_cv_tetrabyte_type_cell=int
489 :     ;;
490 :     $ac_cv_sizeof_short)
491 :     ac_cv_tetrabyte_type_cell=short
492 :     ;;
493 :     $ac_cv_sizeof_char)
494 :     ac_cv_tetrabyte_type_cell=char
495 :     ;;
496 :     $ac_cv_sizeof_long)
497 :     ac_cv_tetrabyte_type_cell=long
498 :     ;;
499 :     $ac_cv_sizeof_long_long)
500 :     ac_cv_tetrabyte_type_cell="long long"
501 :     ;;
502 :     $ac_cv_sizeof_intptr_t)
503 :     ac_cv_tetrabyte_type_cell="intptr_t"
504 :     ;;
505 :     esac
506 :     AC_MSG_RESULT($ac_cv_tetrabyte_type_cell)
507 :     AC_DEFINE_UNQUOTED(TETRABYTE_TYPE,$ac_cv_tetrabyte_type_cell,[an integer type that is 4 bytes long])
508 :    
509 : pazsan 1.277 AC_MSG_CHECKING([for a C type for octabytes])
510 :     ac_cv_octabyte_type_cell=none
511 :     case 8 in
512 :     $ac_cv_sizeof_int)
513 :     ac_cv_octabyte_type_cell=int
514 :     ;;
515 :     $ac_cv_sizeof_short)
516 :     ac_cv_octabyte_type_cell=short
517 :     ;;
518 :     $ac_cv_sizeof_char)
519 :     ac_cv_octabyte_type_cell=char
520 :     ;;
521 :     $ac_cv_sizeof_long)
522 :     ac_cv_octabyte_type_cell=long
523 :     ;;
524 :     $ac_cv_sizeof_long_long)
525 :     ac_cv_octabyte_type_cell="long long"
526 :     ;;
527 :     $ac_cv_sizeof_intptr_t)
528 :     ac_cv_octabyte_type_cell="intptr_t"
529 :     ;;
530 :     esac
531 :     AC_MSG_RESULT($ac_cv_octabyte_type_cell)
532 :     AC_DEFINE_UNQUOTED(OCTABYTE_TYPE,$ac_cv_octabyte_type_cell,[an integer type that is 8 bytes long])
533 :    
534 : anton 1.103 AC_MSG_CHECKING([for a C type for double-cells])
535 :     ac_cv_int_type_double_cell=none
536 :     case `expr 2 '*' "$ac_cv_sizeof_char_p"` in
537 :     $ac_cv_sizeof_short)
538 :     ac_cv_int_type_double_cell=short
539 :     ;;
540 :     $ac_cv_sizeof_int)
541 :     ac_cv_int_type_double_cell=int
542 :     ;;
543 :     $ac_cv_sizeof_long)
544 :     ac_cv_int_type_double_cell=long
545 :     ;;
546 :     $ac_cv_sizeof_long_long)
547 :     ac_cv_int_type_double_cell="long long"
548 :     ;;
549 :     $ac_cv_sizeof_intptr_t)
550 :     ac_cv_int_type_double_cell="intptr_t"
551 :     ;;
552 : anton 1.205 $ac_cv_sizeof_int128_t)
553 : anton 1.103 ac_cv_int_type_double_cell="int128_t"
554 :     ;;
555 :     esac
556 :     AC_MSG_RESULT($ac_cv_int_type_double_cell)
557 : pazsan 1.144
558 :     AC_MSG_CHECKING([for a C type for unsigned double-cells])
559 :     ac_cv_int_type_double_ucell=none
560 :     case `expr 2 '*' "$ac_cv_sizeof_char_p"` in
561 :     $ac_cv_sizeof_short)
562 :     ac_cv_int_type_double_ucell="unsigned short"
563 :     ;;
564 :     $ac_cv_sizeof_int)
565 :     ac_cv_int_type_double_ucell="unsigned int"
566 :     ;;
567 :     $ac_cv_sizeof_long)
568 :     ac_cv_int_type_double_ucell="unsigned long"
569 :     ;;
570 :     $ac_cv_sizeof_long_long)
571 :     ac_cv_int_type_double_ucell="unsigned long long"
572 :     ;;
573 :     $ac_cv_sizeof_intptr_t)
574 :     ac_cv_int_type_double_ucell="unsigned intptr_t"
575 :     ;;
576 :     $ac_cv_sizeof_uint128_t)
577 :     ac_cv_int_type_double_ucell="uint128_t"
578 :     ;;
579 :     esac
580 :     AC_MSG_RESULT($ac_cv_int_type_double_ucell)
581 :    
582 : anton 1.204 if test "$ac_cv_int_type_double_cell" != none && \
583 :     test "$ac_cv_int_type_double_ucell" != none
584 : pazsan 1.144 then
585 : anton 1.103 AC_DEFINE_UNQUOTED(DOUBLE_CELL_TYPE,$ac_cv_int_type_double_cell,[an integer type that is twice as long as a pointer])
586 : pazsan 1.144 AC_DEFINE_UNQUOTED(DOUBLE_UCELL_TYPE,$ac_cv_int_type_double_ucell,[an unsigned integer type that is twice as long as a pointer])
587 : anton 1.206 OPTS=-ll
588 :     else
589 : pazsan 1.217 if test "$ac_cv_sizeof_char_p" = 8; then
590 : anton 1.213 OPTS="-ll -noll"
591 : anton 1.206 else
592 :     OPTS=-noll
593 :     fi
594 : anton 1.103 fi
595 : anton 1.207
596 : anton 1.258 if grep FORCE_REG $srcdir/arch/$machine/machine.h >/dev/null; then
597 : pazsan 1.227 OPTS2=''
598 :     for i in $OPTS; do OPTS2="$OPTS2 $i-reg"; done
599 :     OPTS="$OPTS2 $OPTS"
600 : anton 1.223 else
601 :     AC_DEFINE_UNQUOTED(FORCE_REG_UNNECESSARY,,[defined if the platform does not need FORCE_REG])
602 : anton 1.207 fi
603 : anton 1.206 AC_SUBST(OPTS)
604 : anton 1.103
605 :     AC_TYPE_OFF_T
606 :     AC_CHECK_SIZEOF(off_t)
607 :     test $ac_cv_sizeof_off_t -gt $ac_cv_sizeof_char_p
608 :     ac_small_off_t=$?
609 :     AC_DEFINE_UNQUOTED(SMALL_OFF_T,$ac_small_off_t,[1 if off_t fits in a Cell])
610 : anton 1.1
611 : anton 1.109 ENGINE_FLAGS=
612 :     AC_SUBST(ENGINE_FLAGS)
613 :    
614 :     # Try if GCC understands -fno-gcse
615 :    
616 :     AC_MSG_CHECKING([if $CC understands -fno-gcse])
617 :     CFLAGS_1="$CFLAGS"
618 :     CFLAGS="$CFLAGS -fno-gcse"
619 :     AC_TRY_COMPILE(,,ac_nogcse=yes;ENGINE_FLAGS="$ENGINE_FLAGS -fno-gcse",ac_nogcse=no)
620 :     CFLAGS="$CFLAGS_1"
621 :     AC_MSG_RESULT($ac_nogcse)
622 :    
623 :     # Try if GCC understands -fno-strict-aliasing
624 :     AC_MSG_CHECKING([if $CC understands -fno-strict-aliasing])
625 :     CFLAGS_1="$CFLAGS"
626 :     CFLAGS="$CFLAGS -fno-strict-aliasing"
627 :     AC_TRY_COMPILE(,,ac_nostrictaliasing=yes;ENGINE_FLAGS="$ENGINE_FLAGS -fno-strict-aliasing",ac_nostrictaliasing=no)
628 :     CFLAGS="$CFLAGS_1"
629 :     AC_MSG_RESULT($ac_nostrictaliasing)
630 :    
631 : anton 1.123 # Try if GCC understands -fno-crossjumping
632 :     AC_MSG_CHECKING([if $CC understands -fno-crossjumping])
633 : pazsan 1.88 CFLAGS_1="$CFLAGS"
634 : anton 1.123 CFLAGS="$CFLAGS -fno-crossjumping"
635 : anton 1.125 AC_TRY_COMPILE(,,ac_nocrossjumping=yes;ENGINE_FLAGS="$ENGINE_FLAGS -fno-crossjumping",ac_nocrossjumping=no)
636 : anton 1.109 CFLAGS="$CFLAGS_1"
637 : pazsan 1.124 AC_MSG_RESULT($ac_nocrossjumping)
638 : pazsan 1.88
639 : pazsan 1.137 # Try if GCC understands -fno-reorder-blocks
640 :     AC_MSG_CHECKING([if $CC understands -fno-reorder-blocks])
641 :     CFLAGS_1="$CFLAGS"
642 :     CFLAGS="$CFLAGS -fno-reorder-blocks"
643 :     AC_TRY_COMPILE(,,ac_noreorder_blocks=yes;ENGINE_FLAGS="$ENGINE_FLAGS -fno-reorder-blocks",ac_noreorder_blocks=no)
644 :     CFLAGS="$CFLAGS_1"
645 :     AC_MSG_RESULT($ac_noreorder_blocks)
646 :    
647 : anton 1.189 # Try if GCC understands -falign-labels=1
648 :     AC_MSG_CHECKING([if $CC understands -falign-labels=1])
649 :     CFLAGS_1="$CFLAGS"
650 :     CFLAGS="$CFLAGS -falign-labels=1"
651 : anton 1.194 AC_TRY_COMPILE(,,ac_align_labels=yes;ENGINE_FLAGS="$ENGINE_FLAGS -falign-labels=1",ac_align_labels=no)
652 : anton 1.189 CFLAGS="$CFLAGS_1"
653 :     AC_MSG_RESULT($ac_align_labels)
654 :    
655 : anton 1.193 # Try if GCC understands -falign-loops=1
656 :     AC_MSG_CHECKING([if $CC understands -falign-loops=1])
657 :     CFLAGS_1="$CFLAGS"
658 :     CFLAGS="$CFLAGS -falign-loops=1"
659 : anton 1.194 AC_TRY_COMPILE(,,ac_align_loops=yes;ENGINE_FLAGS="$ENGINE_FLAGS -falign-loops=1",ac_align_loops=no)
660 : anton 1.193 CFLAGS="$CFLAGS_1"
661 :     AC_MSG_RESULT($ac_align_loops)
662 :    
663 :     # Try if GCC understands -falign-jumps=1
664 :     AC_MSG_CHECKING([if $CC understands -falign-jumps=1])
665 :     CFLAGS_1="$CFLAGS"
666 :     CFLAGS="$CFLAGS -falign-jumps=1"
667 : anton 1.194 AC_TRY_COMPILE(,,ac_align_jumps=yes;ENGINE_FLAGS="$ENGINE_FLAGS -falign-jumps=1",ac_align_jumps=no)
668 : anton 1.193 CFLAGS="$CFLAGS_1"
669 :     AC_MSG_RESULT($ac_align_jumps)
670 :    
671 : anton 1.271 if test -z "$LIBTOOL_CC"
672 :     then
673 :     LIBTOOL_CC="$CC"
674 :     # Try if GCC understands -Wimplicit-function-declaration
675 :     AC_MSG_CHECKING([if $CC understands -Wimplicit-function-declaration])
676 :     CFLAGS_1="$CFLAGS"
677 :     CFLAGS="$CFLAGS -Wimplicit-function-declaration"
678 :     AC_TRY_COMPILE(,,LIBTOOL_CC="$CC -Wimplicit-function-declaration",)
679 :     CFLAGS="$CFLAGS_1"
680 :     AC_MSG_RESULT($ac_align_jumps)
681 :     fi
682 :     AC_SUBST(LIBTOOL_CC)
683 :    
684 :    
685 :    
686 : anton 1.130 # Try if GCC understands __attribute__((unused))
687 :     AC_MSG_CHECKING([how to suppress 'unused variable' warnings])
688 :     AC_TRY_COMPILE(,[int __attribute__((unused)) foo;], MAYBE_UNUSED='__attribute__((unused))',)
689 :     AC_DEFINE_UNQUOTED(MAYBE_UNUSED,$MAYBE_UNUSED,[attribute for possibly unused variables])
690 :     AC_MSG_RESULT($MAYBE_UNUSED)
691 :    
692 : anton 1.289 # Try if GCC understands __thread
693 :     AC_MSG_CHECKING([whether gcc understands '__thread'])
694 :     AC_TRY_COMPILE(,[extern __thread int foo;],PER_THREAD='__thread',)
695 :     AC_DEFINE_UNQUOTED(PER_THREAD,$PER_THREAD,[storage class for thread-local variables])
696 :     AC_MSG_RESULT($PER_THREAD)
697 :    
698 : anton 1.195 #try if m4 understands -s
699 :     AC_MSG_CHECKING([how to invoke m4])
700 : anton 1.196 if m4 -s /dev/null >/dev/null 2>&1; then
701 : anton 1.195 M4="m4 -s"
702 :     else
703 :     M4=m4
704 :     fi
705 :     AC_SUBST(M4)
706 :     AC_MSG_RESULT($M4)
707 :    
708 : anton 1.215 #echo "machine='$machine'"
709 : anton 1.191
710 :     dnl AC_CHECK_PROG(asm_fs,asm.fs,arch/$machine/asm.fs,,$srcdir/arch/$machine)
711 : pazsan 1.275 if test x$EC_MODE = xfalse
712 :     then
713 : dvdkhlng 1.278 AS_IF([test -f $srcdir/arch/$machine/asm.fs],
714 :     [asm_fs=arch/$machine/asm.fs])
715 : pazsan 1.275 fi
716 : anton 1.61 AC_SUBST(asm_fs)
717 :    
718 : anton 1.191 dnl AC_CHECK_PROG(disasm_fs,disasm.fs,arch/$machine/disasm.fs,,$srcdir/arch/$machine)
719 : pazsan 1.275 if test x$EC_MODE = xfalse
720 :     then
721 : dvdkhlng 1.278 AS_IF([test -f $srcdir/arch/$machine/disasm.fs],
722 :     [disasm_fs=arch/$machine/disasm.fs])
723 : pazsan 1.275 fi
724 : anton 1.61 AC_SUBST(disasm_fs)
725 :    
726 : anton 1.116 AC_PATH_PROG(INSTALL_INFO,install-info,[echo '>>>>Please make info dir entry:'],$PATH:/sbin:/usr/sbin:/usr/local/sbin)
727 : anton 1.114
728 : pazsan 1.39 case "$host_os" in
729 : pazsan 1.157 *win32*)
730 :     # !!!FIXME!!! problems with cygwin and ';' as path separator
731 : anton 1.108 DIRSEP="\\\\"
732 : anton 1.127 PATHSEP=";"
733 : anton 1.142 #we want the builtins of command.com/cmd.exe and its
734 :     # handling of .com files.
735 :     #$COMSPEC contains the name of the Windows shell;
736 :     # the ./ is there, because the bash does not recognize
737 :     # absolute DOS filenames
738 :     DEFAULTSYSTEMPREFIX="./$COMSPEC /c "
739 : pazsan 1.39 ;;
740 : anton 1.97 *darwin*)
741 :     #Darwin uses some funny preprocessor by default; eliminate it:
742 : anton 1.127 AC_MSG_NOTICE([using -no-cpp-precomp on Darwin])
743 : anton 1.120 CFLAGS="$CFLAGS -no-cpp-precomp"
744 : anton 1.98 DIRSEP="/"
745 : anton 1.127 PATHSEP=":"
746 : anton 1.141 DEFAULTSYSTEMPREFIX=""
747 : anton 1.243 #the following magic value was suggested by
748 :     #http://mail.python.org/pipermail/pythonmac-sig/2005-October/015190.html
749 :     AC_DEFINE_UNQUOTED(MACOSX_DEPLOYMENT_TARGET,"10.3",[an environment variable value needed by libtool on some MacOS X versions])
750 : anton 1.98 ;;
751 : pazsan 1.246 *linux*)
752 :     DIRSEP="/"
753 :     PATHSEP=":"
754 :     DEFAULTSYSTEMPREFIX=""
755 : anton 1.250 if test -z "$LTDL_LIBRARY_PATH" -a "$wordsize" = 64; then
756 : pazsan 1.253 LTDL_LIBRARY_PATH=`/sbin/ldconfig -p |tail -n +2 |sed 's/^.* => //'|sed 's|/[[^/]]*$||'| grep 64 | sort -u | tr '\n' : | sed -e 's/:$//'`
757 : pazsan 1.246 fi
758 :     ;;
759 : pazsan 1.39 *)
760 : pazsan 1.88 DIRSEP="/"
761 : anton 1.127 PATHSEP=":"
762 : anton 1.141 DEFAULTSYSTEMPREFIX=""
763 : pazsan 1.39 ;;
764 :     esac
765 : pazsan 1.88 AC_SUBST(DIRSEP)
766 : pazsan 1.89 AC_DEFINE_UNQUOTED(DIRSEP,'$DIRSEP',[a directory separator character])
767 : anton 1.127 AC_SUBST(PATHSEP)
768 :     AC_DEFINE_UNQUOTED(PATHSEP,'$PATHSEP',[a path separator character])
769 : anton 1.141 AC_SUBST(DEFAULTSYSTEMPREFIX)
770 :     AC_DEFINE_UNQUOTED(DEFAULTSYSTEMPREFIX,"$DEFAULTSYSTEMPREFIX",[default for environment variable GFORTHSYSTEMPREFIX])
771 : anton 1.250 if test -n "$LTDL_LIBRARY_PATH"; then
772 :     AC_DEFINE_UNQUOTED(LTDL_LIBRARY_PATH,"$LTDL_LIBRARY_PATH",[Define LTDL_LIBRARY_PATH for 64 bit Linux])
773 :     fi
774 : pazsan 1.39
775 : anton 1.170 #work around SELinux brain damage (from Andrew Haley <12t8f3jakb74g2c@news.supernews.com>)
776 : anton 1.172 #This magic incantation seems to be completely undocumented.
777 :     AC_CHECK_PROG([MASSAGE_EXE],[chcon],[chcon -t unconfined_execmem_exec_t],[true])
778 : anton 1.170
779 : anton 1.1 dnl Now a little support for DOS/DJGCC
780 : pazsan 1.276 GFORTHFAST_EXE="$GFORTH_EXE"
781 :     GFORTHITC_EXE="$GFORTH_EXE"
782 :     GFORTHDITC_EXE="$GFORTH_EXE"
783 : pazsan 1.30 AC_SUBST(GFORTH_EXE)
784 : anton 1.48 AC_SUBST(GFORTHFAST_EXE)
785 : anton 1.83 AC_SUBST(GFORTHITC_EXE)
786 : pazsan 1.30 AC_SUBST(GFORTHDITC_EXE)
787 : anton 1.27
788 :     AC_SUBST(FORTHSIZES)
789 : anton 1.24
790 : anton 1.104 dnl if test "$PEEPHOLE" = "yes"
791 :     dnl then
792 :     dnl PEEPHOLEFLAG="true"
793 :     dnl AC_DEFINE(HAS_PEEPHOLE,,[Define if you want to use peephole optimization])
794 :     dnl else
795 :     dnl PEEPHOLEFLAG="false"
796 :     dnl fi
797 :     PEEPHOLEFLAG="true"
798 : pazsan 1.79 AC_SUBST(PEEPHOLEFLAG)
799 :    
800 : anton 1.1 dnl copy commands for systems that don't have links
801 : pazsan 1.29 AC_SUBST(LINK_KERNL)
802 :     LINK_KERNL=""
803 : anton 1.1
804 :     #if test $host_os=dos
805 :     #then
806 :     # echo Configuring for DOS!!!
807 :     # MAKE_EXE="coff2exe gforth"
808 : pazsan 1.29 # LINK_KERNL='$(CP) kernl32l.fi kernel.fi'
809 : anton 1.1 #fi
810 :    
811 :     dnl the following macro produces a warning with autoconf-2.1
812 :     AC_C_BIGENDIAN
813 : pazsan 1.23 AC_SUBST(KERNEL)
814 : anton 1.1 dnl ac_cv_c_bigendian is an undocumented variable of autoconf-2.1
815 : pazsan 1.256 if test $ac_cv_c_bigendian != no; then
816 : anton 1.1 bytesex=b
817 : pazsan 1.23 KERNEL="kernl16b.fi kernl16l.fi kernl32b.fi kernl32l.fi kernl64b.fi kernl64l.fi"
818 : anton 1.1 else
819 :     bytesex=l
820 : pazsan 1.23 KERNEL="kernl16l.fi kernl16b.fi kernl32l.fi kernl32b.fi kernl64l.fi kernl64b.fi"
821 : anton 1.1 fi
822 :    
823 : anton 1.91 #check how to do asm(".skip 16")
824 : anton 1.169 #echo "CFLAGS=$CFLAGS"
825 :     #echo "ac_link=$ac_link"
826 : anton 1.92 AC_MSG_CHECKING([if and how we can waste code space])
827 : dvdkhlng 1.279 if test -z "$skipcode" && test x$cross_compiling = xyes; then
828 :     # we cannot perform the AC_TRY_RUN check when cross-compiling.
829 :     skipcode=no
830 :     AC_MSG_RESULT([$skipcode, can't run checks since cross-compiling])
831 :     elif test -z "$skipcode"; then
832 : anton 1.148 skipcode=no
833 :     CFLAGS_1="$CFLAGS"
834 :     CFLAGS="$CFLAGS $ENGINE_FLAGS"
835 : anton 1.136 for i in ".skip 16" ".block 16" ".org .+16" ".=.+16" ".space 16"
836 :     do
837 : anton 1.91 AC_TRY_RUN(
838 : anton 1.136 [int foo(int,int,int);
839 : anton 1.91 main()
840 :     {
841 : anton 1.136 exit(foo(0,0,0)!=16);
842 : anton 1.91 }
843 : anton 1.136 int foo(int x, int y, int z)
844 : anton 1.91 {
845 : anton 1.136 static void *labels[]={&&label1, &&label2};
846 : anton 1.91 if (x) {
847 : anton 1.136 y++; /* workaround for http://gcc.gnu.org/bugzilla/show_bug.cgi?id=12108 */
848 : anton 1.91 label1:
849 : anton 1.148 asm("$i"); /* or ".space 16" or somesuch */
850 : anton 1.136 label2: ;
851 :     }
852 :     {
853 :     if (y) goto *labels[z]; /* workaround for gcc PR12108 */
854 :     return labels[1]-labels[0];
855 : anton 1.91 }
856 : anton 1.136 }]
857 : anton 1.92 ,skipcode=$i; break
858 :     ,,)
859 : anton 1.136 done
860 : anton 1.148 CFLAGS=$CFLAGS_1
861 : anton 1.136 fi
862 : anton 1.92 AC_MSG_RESULT($skipcode)
863 :     if test "$skipcode" = no
864 :     then
865 : anton 1.136 if test -z $no_dynamic_default; then
866 :     no_dynamic_default=1
867 :     AC_MSG_WARN(Disabling default dynamic native code generation)
868 :     fi
869 : dvdkhlng 1.280 AC_DEFINE_UNQUOTED(SKIP16,asm(""),statement for skipping 16 bytes)
870 : anton 1.92 else
871 :     AC_DEFINE_UNQUOTED(SKIP16,asm("$skipcode"),statement for skipping 16 bytes)
872 :     fi
873 : anton 1.91
874 : anton 1.174 AC_MSG_CHECKING([if and how we can do comments in asm statements])
875 :     #the point here is to get asm statements that look different to
876 :     #gcc's "optimizer"
877 :     if test -z "$asmcomment"; then
878 :     asmcomment=no
879 :     CFLAGS_1="$CFLAGS"
880 :     CFLAGS="$CFLAGS $ENGINE_FLAGS"
881 : anton 1.176 for i in '"# "' '"! "' '"; "'; do
882 : anton 1.174 AC_TRY_COMPILE(,[asm($i"fluffystunk");],asmcomment=$i; break,)
883 :     done
884 :     CFLAGS=$CFLAGS_1
885 :     fi
886 :     AC_MSG_RESULT($asmcomment)
887 :     if test "$asmcomment" != no
888 :     then
889 :     AC_DEFINE_UNQUOTED(ASMCOMMENT,$asmcomment,[assembler comment start string])
890 :     fi
891 :    
892 : anton 1.136 test "$no_dynamic_default" || no_dynamic_default=0
893 : anton 1.92 AC_DEFINE_UNQUOTED(NO_DYNAMIC_DEFAULT,$no_dynamic_default,default value for no_dynamic)
894 : anton 1.91
895 : anton 1.1 dnl Checks for programs.
896 :     AC_PROG_LN_S
897 : anton 1.95 AC_PROG_INSTALL
898 : pazsan 1.163 AC_CHECK_PROGS(TEXI2DVI,texi2dvi4a2ps texi2dvi)
899 : anton 1.1
900 : anton 1.288 dnl check for the presence of Emacs
901 :     AC_CHECK_PROGS(EMACS,emacs xemacs)
902 :     test -n "$EMACS" && gforth_elc=gforth.elc
903 :     AC_SUBST(gforth_elc)
904 :    
905 : anton 1.198 dnl MacOS X has a libtool that does something else
906 : pazsan 1.264 AC_CHECK_PROGS(GNU_LIBTOOL,"glibtool --tag=CC" libtool)
907 : anton 1.198
908 : anton 1.269 dnl Checks for library functions
909 :     dnl This check is just for making later checks link with libm.
910 :     dnl using sin here is no good idea since it is built-into gcc and typechecked
911 :     AC_CHECK_LIB(m,asin)
912 :     AC_CHECK_LIB(ltdl,lt_dlinit)
913 : pazsan 1.295 AC_CHECK_LIB(rt,clock_gettime)
914 : anton 1.269
915 :     if test -n "$GNU_LIBTOOL" -a $ac_cv_lib_ltdl_lt_dlinit = yes; then
916 : anton 1.258 build_libcc_named=build-libcc-named
917 :     else
918 :     build_libcc_named=""
919 : anton 1.274 AC_MSG_WARN([No GNU_LIBTOOL found, skip pre-building libcc-based libraries])
920 : anton 1.258 fi
921 :     AC_SUBST(build_libcc_named)
922 :    
923 : anton 1.274
924 :     if test -z "$GNU_LIBTOOL"; then
925 :     AC_MSG_WARN([No GNU_LIBTOOL found, using "libtool" as name.])
926 :     AC_MSG_WARN([libcc.fs won't work until you have installed (GNU) libtool.])
927 :     GNU_LIBTOOL=libtool
928 :     fi
929 :    
930 : anton 1.235 #check for libffi 2.x
931 : anton 1.237 AC_CHECK_HEADER(ffi.h,FFI_H_NAME=ffi.h,)
932 :     if test -z "$FFI_H_NAME"; then
933 :     AC_CHECK_HEADER(ffi/ffi.h,FFI_H_NAME=ffi/ffi.h,)
934 :     fi
935 :     AC_SUBST(FFI_H_NAME)
936 : pazsan 1.286 AC_CHECK_LIB(ffi,ffi_call,LIBS="$LIBS")
937 : anton 1.241 if test -n "$FFI_H_NAME" -a $ac_cv_lib_ffi_ffi_call = yes
938 : anton 1.235 then
939 :     LIBFFIFLAG="true"
940 : anton 1.236 LIBCC_BUILD_SRC="$LIBCC_BUILD_SRC libffi.fs"
941 : anton 1.235 else
942 :     LIBFFIFLAG="false"
943 :     fi
944 :     #check for ffcall libraries
945 :     #unfortunately, these four calls are separated out into a library each.
946 : pazsan 1.286 AC_CHECK_LIB(avcall,__builtin_avcall,LIBS="$LIBS")
947 : pazsan 1.234 dnl AC_CHECK_LIB(callback,__vacall_r)
948 :     dnl AC_CHECK_LIB(vacall,vacall)
949 :     dnl AC_CHECK_LIB(trampoline,alloc_trampoline)
950 : anton 1.235 if test $ac_cv_lib_avcall___builtin_avcall = yes; then
951 :     FFCALLFLAG="true"
952 : anton 1.236 LIBCC_BUILD_SRC="$LIBCC_BUILD_SRC fflib.fs"
953 : anton 1.235 else
954 :     FFCALLFLAG="false"
955 :     fi
956 :     if test $LIBFFIFLAG = false -a $FFCALLFLAG = false; then
957 :     AC_MSG_WARN([The (old) lib.fs foreign function interface needs either libffi or the ffcall libraries])
958 :     fi
959 :     AC_SUBST(LIBFFIFLAG)
960 :     AC_SUBST(FFCALLFLAG)
961 : anton 1.236 AC_SUBST(LIBCC_BUILD_SRC)
962 : pazsan 1.32 if test "$host_os" != "nextstep3"
963 :     then
964 :     AC_FUNC_MEMCMP
965 :     fi
966 : pazsan 1.25 AC_REPLACE_FUNCS(memmove strtoul pow10 strerror strsignal atanh)
967 : anton 1.97 AC_FUNC_FSEEKO
968 : pazsan 1.296 AC_CHECK_FUNCS(ftello dlopen sys_siglist getrusage nanosleep clock_gettime)
969 : anton 1.111 AC_CHECK_TYPES(stack_t,,,[#include <signal.h>])
970 : anton 1.19 AC_DECL_SYS_SIGLIST
971 : anton 1.138 AC_CHECK_FUNC(getopt_long,[true],[AC_LIBOBJ(getopt) AC_LIBOBJ(getopt1)])
972 : anton 1.90 AC_CHECK_FUNCS(expm1 log1p)
973 :     AC_REPLACE_FUNCS(rint ecvt)
974 : anton 1.1 dnl No check for select, because our replacement is no good under
975 :     dnl anything but DOS
976 : pazsan 1.277 AC_CHECK_HEADERS(sys/mman.h fnmatch.h alloca.h wchar.h endian.h)
977 : anton 1.63 AC_FUNC_FNMATCH
978 : pazsan 1.87 test $ac_cv_func_fnmatch_works = yes || AC_LIBOBJ(fnmatch)
979 : anton 1.255 AC_CHECK_FUNCS(mmap sysconf getpagesize wcwidth)
980 : anton 1.34 AM_PATH_LISPDIR
981 : anton 1.1
982 : pazsan 1.183 kernel_fi=kernl${vwordsize}${bytesex}.fi
983 : pazsan 1.178 include_fi=kernl${wordsize}${bytesex}${EC}.fi
984 : pazsan 1.23 AC_SUBST(kernel_fi)
985 : pazsan 1.178 AC_SUBST(include_fi)
986 : jwilke 1.50
987 : pazsan 1.292 # Find installed Gforth
988 :     AC_MSG_CHECKING([for gforth])
989 :     GFORTH="`cd / && which gforth 2>/dev/null`"
990 :     #the "$srcdir" = "." test defends agains the "../" bug in gforth-0.6.2
991 :     (cd / && $GFORTH -e bye >/dev/null 2>/dev/null && test "$srcdir" = ".") || GFORTH=""
992 :     if test -z "$GFORTH"; then
993 :     PREFORTH='echo "You need to configure with a gforth in \$PATH to build this part" && false'
994 : pazsan 1.293 GFORTHKER='echo "You need to configure with a gforth in \$PATH to build this part" && false'
995 : pazsan 1.292 kernel_anti_dependence=''
996 :     else
997 :     GFORTH_FI=`cd / && $GFORTH --debug -e bye 2>&1 |grep "Opened image file: "|sed 's/Opened image file: //'`
998 :     PREFORTH="$GFORTH -i $GFORTH_FI" ;
999 : pazsan 1.294 KERNLX_FI1=`echo $GFORTH_FI | sed -e s/lib/share/g -e s/gforth.fi/kernl*.fi/g`
1000 :     KERNLX_FI2=`echo $GFORTH_FI | sed -e s/gforth.fi/kernl*.fi/g`
1001 :     test -f $KERNLX_FI1 && KERNLX_FI=$KERNLX_FI1
1002 :     test -f $KERNLX_FI2 && KERNLX_FI=$KERNLX_FI2
1003 : pazsan 1.293 GFORTHKER="$GFORTH -i `echo $KERNLX_FI`" ;
1004 : pazsan 1.292 kernel_anti_dependence='$(kernel_fi)'
1005 :     fi
1006 :     AC_SUBST(PREFORTH)
1007 : pazsan 1.293 AC_SUBST(GFORTHKER)
1008 : pazsan 1.292 AC_SUBST(kernel_anti_dependence)
1009 :     AC_MSG_RESULT($PREFORTH)
1010 :    
1011 : anton 1.76 #this breaks bindists
1012 :     #dnl replace srource directory by absolute value
1013 :     #if test $srcdir = "."; then srcdir=`pwd`
1014 :     #fi
1015 : anton 1.8
1016 : anton 1.34 AC_SUBST(machine)
1017 : anton 1.95 AC_CONFIG_FILES([
1018 : anton 1.31 Makefile
1019 : pazsan 1.45 Makedist
1020 : anton 1.43 gforthmi
1021 : anton 1.80 vmgen
1022 : pazsan 1.79 machpc.fs
1023 : pazsan 1.159 envos.fs
1024 : anton 1.223 preforth
1025 : pazsan 1.293 gforthker
1026 : anton 1.35 engine/Makefile
1027 : anton 1.188 engine/libcc.h
1028 : pazsan 1.161 doc/version.texi
1029 :     build-ec ])
1030 : anton 1.95 AC_CONFIG_COMMANDS([stamp-h],[[echo timestamp > stamp-h
1031 : anton 1.43 chmod +x gforthmi
1032 : anton 1.80 chmod +x vmgen
1033 : pazsan 1.162 chmod +x build-ec
1034 : anton 1.223 chmod +x preforth
1035 : pazsan 1.293 chmod +x gforthker
1036 : anton 1.188 test -d kernel||mkdir kernel
1037 : anton 1.258 if test $srcdir != "."; then ln -sf $srcdir/gforth.el .; fi
1038 : anton 1.188 $srcdir/mkinstalldirs include/gforth/$PACKAGE_VERSION
1039 : anton 1.262 $srcdir/mkinstalldirs arch/$machine
1040 :     ln -sf ../../../engine/config.h ../../../engine/libcc.h include/gforth/$PACKAGE_VERSION]],
1041 :     [PACKAGE_VERSION=$PACKAGE_VERSION
1042 :     machine=$machine])
1043 : anton 1.95 AC_OUTPUT

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