[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($condbranch_opt)
187 :     AC_SUBST(condbranch_opt)
188 : pazsan 1.301 AC_SUBST(host_cpu)
189 : anton 1.190
190 : pazsan 1.15 AC_SUBST(CC)
191 : pazsan 1.183 AC_SUBST(GCC_LD)
192 : pazsan 1.9 AC_SUBST(DEBUGFLAG)
193 : pazsan 1.178 AC_SUBST(EC)
194 : pazsan 1.275 AC_SUBST(NO_EC)
195 : pazsan 1.291 AC_SUBST(NO_CROSS)
196 : pazsan 1.167 AC_SUBST(EC_MODE)
197 : pazsan 1.178 AC_SUBST(engine2)
198 :     AC_SUBST(engine_fast2)
199 :     AC_SUBST(no_dynamic)
200 :     AC_SUBST(image_i)
201 : pazsan 1.179 AC_SUBST(signals_o)
202 : anton 1.7
203 : anton 1.174 #this is used to disable some (not generally essential) part of the
204 :     #Makefile that some makes don't grok. It would be better to test for
205 :     #this specific Makefile feature than the make version.
206 : pazsan 1.128 AC_MSG_CHECKING(make type)
207 : anton 1.174 make_type=`make -n -v 2>&1|grep 'ake'|sed 's/ake .*/ake/'`
208 : pazsan 1.128 GNUMAKE='#'
209 :     test "$make_type" = "GNU Make" && GNUMAKE=''
210 :     AC_MSG_RESULT($make_type)
211 :     AC_SUBST(GNUMAKE)
212 :    
213 : jwilke 1.50 AC_MSG_CHECKING([whether the linker accepts -export-dynamic])
214 :     OLDLDFLAGS=$LDFLAGS
215 :     LDFLAGS="$LDFLAGS -export-dynamic"
216 : anton 1.69 dnl AC_TRY_LINK gives false positive on rs6000-ibm-aix4.2.1.0
217 :     dnl AC_TRY_LINK(,,ac_export_dynamic=yes,ac_export_dynamic=no)
218 :     AC_TRY_RUN(main(){exit(0);},ac_export_dynamic=yes,ac_export_dynamic=no,ac_export_dynamic=no)
219 : jwilke 1.50 test $ac_export_dynamic = yes|| LDFLAGS=$OLDLDFLAGS
220 :     AC_MSG_RESULT($ac_export_dynamic)
221 :    
222 : anton 1.1 #terminology is a bit unusual here: The host is the system on which
223 :     #gforth will run; the system on which configure will run is the `build'
224 :     case "$host_cpu" in
225 : anton 1.136 arm*)
226 :     machine=arm
227 :     CFLAGS="$CFLAGS -fomit-frame-pointer"
228 : pazsan 1.184 if test x$platform = xnxt; then
229 : pazsan 1.183 CFLAGS="$CFLAGS -mthumb -mthumb-interwork"
230 :     fi
231 : anton 1.175 if test -z $arm_cacheflush; then
232 : dvdkhlng 1.212 case "$host_os" in
233 :     *linux*)
234 : anton 1.260 AC_LIBOBJ(../arch/arm/cacheflush-linux)
235 : dvdkhlng 1.212 ;;
236 :     *)
237 :     no_dynamic_default=1
238 : anton 1.260 AC_LIBOBJ(../arch/arm/cacheflush0)
239 : dvdkhlng 1.212 AC_MSG_WARN([No I-cache flush code known, disabling dynamic native code generation])
240 :     ;;
241 :     esac
242 : anton 1.260 else
243 :     AC_LIBOBJ(../$arm_cacheflush)
244 :     test $srcdir = . || AC_MSG_WARN([setting arm_cacheflush requires building in the source directory])
245 : anton 1.136 fi
246 : anton 1.177 #longer skipcodes lead to problems on ARM, and it uses
247 :     #only 4-byte alignment anyway
248 :     test "$skipcode" || skipcode="nop"
249 : anton 1.136 ;;
250 : anton 1.1 hppa*)
251 : anton 1.34 machine=hppa
252 : pazsan 1.87 AC_LIBOBJ(../arch/hppa/cache)
253 : anton 1.134 #-N needed for --dynamic <M4U3b.3790$9d.317@news.cpqcorp.net>
254 :     LDFLAGS="$LDFLAGS -Xlinker -N"
255 : anton 1.47 LIBS="$LIBS -L/lib/pa1.1/"
256 : anton 1.1 ;;
257 :     sparc*)
258 : anton 1.34 machine=sparc
259 : anton 1.1 ;;
260 : anton 1.31 i386)
261 : anton 1.34 machine=386
262 : anton 1.189 CFLAGS="$CFLAGS -fomit-frame-pointer -fforce-addr"
263 : anton 1.31 ;;
264 :     i486)
265 : anton 1.34 machine=386
266 : dvdkhlng 1.282 CFLAGS="$CFLAGS -fomit-frame-pointer -fforce-addr"
267 :     CFLAGS_1="$CFLAGS"
268 :     CFLAGS="$CFLAGS -march=i486"
269 :     AC_TRY_COMPILE(,,,CFLAGS="$CFLAGS_1 -m486")
270 :     AC_TRY_COMPILE(,,,CFLAGS="$CFLAGS_1")
271 : anton 1.31 ;;
272 : anton 1.77 i*86)
273 : anton 1.34 machine=386
274 : anton 1.189 CFLAGS="$CFLAGS -fomit-frame-pointer -fforce-addr"
275 : pazsan 1.56 CFLAGS_1="$CFLAGS"
276 : dvdkhlng 1.282 CFLAGS="$CFLAGS -march=pentium -mtune=generic"
277 :     AC_TRY_COMPILE(,,,CFLAGS="$CFLAGS_1 -march=pentium")
278 : pazsan 1.56 AC_TRY_COMPILE(,,,CFLAGS="$CFLAGS_1 -m486")
279 : dvdkhlng 1.282 AC_TRY_COMPILE(,,,CFLAGS="$CFLAGS_1")
280 : anton 1.1 ;;
281 : anton 1.133 x86_64)
282 : pazsan 1.192 case $CC
283 :     in
284 :     *-m32*)
285 :     machine=386
286 :     CFLAGS="$CFLAGS -fomit-frame-pointer -fforce-addr"
287 :     CFLAGS_1="$CFLAGS"
288 :     CFLAGS="$CFLAGS -march=athlon64"
289 :     ;;
290 :     *)
291 :     machine=amd64
292 :     ;;
293 :     esac
294 : anton 1.133 ;;
295 : anton 1.136 ia64*)
296 :     machine=ia64
297 :     AC_LIBOBJ(../arch/ia64/flush_icache_block)
298 :     test "$skipcode" || skipcode="nop.i 0"
299 :     #".skip 16" passes the test below,
300 :     # but gives an assembler error in engine
301 :     ;;
302 : pazsan 1.26 m68k)
303 : anton 1.34 machine=m68k
304 : pazsan 1.32 CFLAGS="$CFLAGS -fomit-frame-pointer"
305 :     if test "$host_os" = "nextstep3"
306 :     then
307 : pazsan 1.87 AC_LIBOBJ(termios)
308 : pazsan 1.32 fi
309 : pazsan 1.26 ;;
310 : anton 1.1 mips*)
311 : anton 1.34 machine=mips
312 : dvdkhlng 1.281 AC_LIBOBJ(../arch/mips/check_prim)
313 : anton 1.92 #dynamic native code has the following problems on MIPS:
314 :     #
315 :     #1) J/JAL seems relocatable, but is are only
316 :     #relocatable within a 256MB-segment. While we try to
317 :     #get the linker to arrange this, there is no guarantee
318 :     #that this will succeed (and if the user uses a lot of
319 :     #memory, it is likely to fail).
320 :     #
321 :     #2) The way we generate dynamic native code may
322 :     #violate MIPS architectural restrictions (in
323 :     #particular, the delay slots of LW, MFLO, etc.)
324 :     #
325 :     #Therefore we disable dynamic native code by default:
326 : anton 1.255 if test -z "$no_dynamic_default"; then
327 : anton 1.136 no_dynamic_default=1
328 :     AC_MSG_WARN([Disabling default dynamic native code generation (relocation and delay slot issues)])
329 :     fi
330 : anton 1.1 ;;
331 : pazsan 1.9 alpha*)
332 : anton 1.34 machine=alpha
333 : anton 1.58 #full IEEE FP support for more uniformity across platforms:
334 :     CFLAGS="$CFLAGS -mieee"
335 : pazsan 1.9 ;;
336 : anton 1.69 power*|rs6000)
337 : anton 1.34 machine=power
338 : anton 1.138 AC_CHECK_FUNC(_sync_cache_range,[true],[AC_LIBOBJ(../arch/power/_sync_cache_range)])
339 : anton 1.103 #long long is broken on (at least) gcc-2.95.* for PPC
340 : anton 1.165 test x$ac_cv_sizeof_long_long = x &&
341 : anton 1.238 ($CC -v 2>&1 |grep 'gcc version 2.95' >/dev/null) &&
342 : anton 1.263 ac_cv_sizeof_long_long=0
343 : anton 1.203 #The only architecture with enough callee-saved registers
344 :     test x$STACK_CACHE_REGS = x && STACK_CACHE_REGS=3
345 :     #or use 2, hardly slower at run-time and starts up faster
346 : anton 1.263
347 :     #the skipcode that is normally selected below does not
348 :     #work with gcc-3.[34]
349 :     test "$skipcode" || skipcode="nop\nnop\nnop\nnop"
350 : anton 1.31 ;;
351 : anton 1.1 *)
352 : anton 1.92 AC_MSG_WARN([Using a generic machine description])
353 :     AC_MSG_WARN([Assuming C floats and doubles are IEEE floats and doubles (for SF@ DF@ SF! DF!)])
354 :     AC_MSG_WARN([FLUSH-ICACHE will do nothing, so END-CODE may not work properly!])
355 : anton 1.34 machine=generic
356 : anton 1.97 #I-cache flushing would be needed for dynamic code generation
357 : anton 1.136 if test -z $no_dynamic_default; then
358 :     no_dynamic_default=1
359 :     AC_MSG_WARN([No I-cache flush code known, disabling dynamic native code generation])
360 :     fi
361 : anton 1.1 esac
362 : anton 1.10 AC_SUBST(host)
363 : anton 1.151
364 : pazsan 1.184 MAKEINC=""
365 : pazsan 1.276 GFORTH_EXE="true"
366 : pazsan 1.184
367 :     echo "Check for arch/$machine/$platform/gforth.ld ($EC_MODE)"
368 : pazsan 1.183 if test x$EC_MODE = xtrue
369 :     then
370 : pazsan 1.184 echo "Check for arch/$machine/$platform/gforth.ld"
371 :     if test -f arch/$machine/$platform/gforth.ld
372 : pazsan 1.183 then
373 : pazsan 1.184 LDFLAGS="-T ../arch/$machine/$platform/gforth.ld -Map \$@.map -cref --gc-sections $LDFLAGS"
374 :     if test x$platform = xnxt; then
375 : 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 $LIBS"
376 :     fi
377 :     fi
378 : pazsan 1.184 if test -f arch/$machine/$platform/make.inc
379 :     then
380 :     MAKEINC="include ../arch/$machine/$platform/make.inc"
381 : pazsan 1.276 GFORTH_EXE="\$(MAKE) -f arch/$machine/$platform/make.inc \$@.exe"
382 : pazsan 1.184 fi
383 : pazsan 1.183 fi
384 : pazsan 1.184 AC_SUBST(MAKEINC)
385 : pazsan 1.183
386 : anton 1.203 AC_ARG_VAR(STACK_CACHE_REGS, [number of registers in the maximum stack cache state for gforth-fast and gforth-native (default platform-dependent).])
387 :    
388 :     test x$STACK_CACHE_REGS = x && STACK_CACHE_REGS=1
389 :     AC_DEFINE_UNQUOTED(STACK_CACHE_REGS, $STACK_CACHE_REGS,
390 :     [number of registers in the maximum stack cache state for gforth-fast and gforth-native])
391 : anton 1.151 test x$STACK_CACHE_DEFAULT_FAST = x && STACK_CACHE_DEFAULT_FAST=1
392 :     AC_DEFINE_UNQUOTED(STACK_CACHE_DEFAULT_FAST, $STACK_CACHE_DEFAULT_FAST,
393 :     [number of registers in the default stack cache state for gforth-fast and gforth-native])
394 : pazsan 1.146
395 : anton 1.173 test x$GCC_PR15242_WORKAROUND = x ||
396 :     AC_DEFINE_UNQUOTED(GCC_PR15242_WORKAROUND, $GCC_PR15242_WORKAROUND,
397 :     [force (1) or forbid (0) use of a workaround for a gcc performance bug])
398 :    
399 : anton 1.103 dnl the following macro produces a warning with autoconf-2.1
400 :     AC_CHECK_SIZEOF(char *)
401 :     case "$ac_cv_sizeof_char_p" in
402 :     2)
403 :     wordsize=16
404 :     ;;
405 :     4)
406 :     wordsize=32
407 :     ;;
408 :     8)
409 :     wordsize=64
410 :     ;;
411 :     esac
412 :    
413 : pazsan 1.183 AC_CHECK_SIZEOF(void *)
414 :     case "$ac_cv_sizeof_void_p" in
415 :     2)
416 :     vwordsize=16
417 :     ;;
418 :     4)
419 :     vwordsize=32
420 :     ;;
421 :     8)
422 :     vwordsize=64
423 :     ;;
424 :     esac
425 :    
426 : anton 1.103 AC_CHECK_SIZEOF(char)
427 :     AC_CHECK_SIZEOF(short)
428 :     AC_CHECK_SIZEOF(int)
429 :     AC_CHECK_SIZEOF(long)
430 :     AC_CHECK_SIZEOF(long long)
431 :     AC_CHECK_SIZEOF(intptr_t)
432 :     AC_CHECK_SIZEOF(int128_t)
433 : pazsan 1.144 AC_CHECK_SIZEOF(uint128_t)
434 : anton 1.103
435 :     AC_MSG_CHECKING([for a C type for cells])
436 :     ac_cv_int_type_cell=none
437 :     case "$ac_cv_sizeof_char_p" in
438 :     $ac_cv_sizeof_int)
439 :     ac_cv_int_type_cell=int
440 :     ;;
441 :     $ac_cv_sizeof_short)
442 :     ac_cv_int_type_cell=short
443 :     ;;
444 :     $ac_cv_sizeof_char)
445 :     ac_cv_int_type_cell=char
446 :     ;;
447 :     $ac_cv_sizeof_long)
448 :     ac_cv_int_type_cell=long
449 :     ;;
450 :     $ac_cv_sizeof_long_long)
451 :     ac_cv_int_type_cell="long long"
452 :     ;;
453 :     $ac_cv_sizeof_intptr_t)
454 :     ac_cv_int_type_cell="intptr_t"
455 :     ;;
456 :     esac
457 :     AC_MSG_RESULT($ac_cv_int_type_cell)
458 :     AC_DEFINE_UNQUOTED(CELL_TYPE,$ac_cv_int_type_cell,[an integer type that is as long as a pointer])
459 :    
460 : pazsan 1.153 AC_MSG_CHECKING([for a C type for wydes])
461 :     ac_cv_wyde_type_cell=none
462 :     case 2 in
463 :     $ac_cv_sizeof_int)
464 :     ac_cv_wyde_type_cell=int
465 :     ;;
466 :     $ac_cv_sizeof_short)
467 :     ac_cv_wyde_type_cell=short
468 :     ;;
469 :     $ac_cv_sizeof_char)
470 :     ac_cv_wyde_type_cell=char
471 :     ;;
472 :     $ac_cv_sizeof_long)
473 :     ac_cv_wyde_type_cell=long
474 :     ;;
475 :     $ac_cv_sizeof_long_long)
476 :     ac_cv_wyde_type_cell="long long"
477 :     ;;
478 :     $ac_cv_sizeof_intptr_t)
479 :     ac_cv_wyde_type_cell="intptr_t"
480 :     ;;
481 :     esac
482 :     AC_MSG_RESULT($ac_cv_wyde_type_cell)
483 :     AC_DEFINE_UNQUOTED(WYDE_TYPE,$ac_cv_wyde_type_cell,[an integer type that is 2 bytes long])
484 :    
485 :     AC_MSG_CHECKING([for a C type for tetrabytes])
486 :     ac_cv_tetrabyte_type_cell=none
487 :     case 4 in
488 :     $ac_cv_sizeof_int)
489 :     ac_cv_tetrabyte_type_cell=int
490 :     ;;
491 :     $ac_cv_sizeof_short)
492 :     ac_cv_tetrabyte_type_cell=short
493 :     ;;
494 :     $ac_cv_sizeof_char)
495 :     ac_cv_tetrabyte_type_cell=char
496 :     ;;
497 :     $ac_cv_sizeof_long)
498 :     ac_cv_tetrabyte_type_cell=long
499 :     ;;
500 :     $ac_cv_sizeof_long_long)
501 :     ac_cv_tetrabyte_type_cell="long long"
502 :     ;;
503 :     $ac_cv_sizeof_intptr_t)
504 :     ac_cv_tetrabyte_type_cell="intptr_t"
505 :     ;;
506 :     esac
507 :     AC_MSG_RESULT($ac_cv_tetrabyte_type_cell)
508 :     AC_DEFINE_UNQUOTED(TETRABYTE_TYPE,$ac_cv_tetrabyte_type_cell,[an integer type that is 4 bytes long])
509 :    
510 : pazsan 1.277 AC_MSG_CHECKING([for a C type for octabytes])
511 :     ac_cv_octabyte_type_cell=none
512 :     case 8 in
513 :     $ac_cv_sizeof_int)
514 :     ac_cv_octabyte_type_cell=int
515 :     ;;
516 :     $ac_cv_sizeof_short)
517 :     ac_cv_octabyte_type_cell=short
518 :     ;;
519 :     $ac_cv_sizeof_char)
520 :     ac_cv_octabyte_type_cell=char
521 :     ;;
522 :     $ac_cv_sizeof_long)
523 :     ac_cv_octabyte_type_cell=long
524 :     ;;
525 :     $ac_cv_sizeof_long_long)
526 :     ac_cv_octabyte_type_cell="long long"
527 :     ;;
528 :     $ac_cv_sizeof_intptr_t)
529 :     ac_cv_octabyte_type_cell="intptr_t"
530 :     ;;
531 :     esac
532 :     AC_MSG_RESULT($ac_cv_octabyte_type_cell)
533 :     AC_DEFINE_UNQUOTED(OCTABYTE_TYPE,$ac_cv_octabyte_type_cell,[an integer type that is 8 bytes long])
534 :    
535 : anton 1.103 AC_MSG_CHECKING([for a C type for double-cells])
536 :     ac_cv_int_type_double_cell=none
537 :     case `expr 2 '*' "$ac_cv_sizeof_char_p"` in
538 :     $ac_cv_sizeof_short)
539 :     ac_cv_int_type_double_cell=short
540 :     ;;
541 :     $ac_cv_sizeof_int)
542 :     ac_cv_int_type_double_cell=int
543 :     ;;
544 :     $ac_cv_sizeof_long)
545 :     ac_cv_int_type_double_cell=long
546 :     ;;
547 :     $ac_cv_sizeof_long_long)
548 :     ac_cv_int_type_double_cell="long long"
549 :     ;;
550 :     $ac_cv_sizeof_intptr_t)
551 :     ac_cv_int_type_double_cell="intptr_t"
552 :     ;;
553 : anton 1.205 $ac_cv_sizeof_int128_t)
554 : anton 1.103 ac_cv_int_type_double_cell="int128_t"
555 :     ;;
556 :     esac
557 :     AC_MSG_RESULT($ac_cv_int_type_double_cell)
558 : pazsan 1.144
559 :     AC_MSG_CHECKING([for a C type for unsigned double-cells])
560 :     ac_cv_int_type_double_ucell=none
561 :     case `expr 2 '*' "$ac_cv_sizeof_char_p"` in
562 :     $ac_cv_sizeof_short)
563 :     ac_cv_int_type_double_ucell="unsigned short"
564 :     ;;
565 :     $ac_cv_sizeof_int)
566 :     ac_cv_int_type_double_ucell="unsigned int"
567 :     ;;
568 :     $ac_cv_sizeof_long)
569 :     ac_cv_int_type_double_ucell="unsigned long"
570 :     ;;
571 :     $ac_cv_sizeof_long_long)
572 :     ac_cv_int_type_double_ucell="unsigned long long"
573 :     ;;
574 :     $ac_cv_sizeof_intptr_t)
575 :     ac_cv_int_type_double_ucell="unsigned intptr_t"
576 :     ;;
577 :     $ac_cv_sizeof_uint128_t)
578 :     ac_cv_int_type_double_ucell="uint128_t"
579 :     ;;
580 :     esac
581 :     AC_MSG_RESULT($ac_cv_int_type_double_ucell)
582 :    
583 : anton 1.204 if test "$ac_cv_int_type_double_cell" != none && \
584 :     test "$ac_cv_int_type_double_ucell" != none
585 : pazsan 1.144 then
586 : anton 1.103 AC_DEFINE_UNQUOTED(DOUBLE_CELL_TYPE,$ac_cv_int_type_double_cell,[an integer type that is twice as long as a pointer])
587 : pazsan 1.144 AC_DEFINE_UNQUOTED(DOUBLE_UCELL_TYPE,$ac_cv_int_type_double_ucell,[an unsigned integer type that is twice as long as a pointer])
588 : anton 1.206 OPTS=-ll
589 :     else
590 : pazsan 1.217 if test "$ac_cv_sizeof_char_p" = 8; then
591 : anton 1.213 OPTS="-ll -noll"
592 : anton 1.206 else
593 :     OPTS=-noll
594 :     fi
595 : anton 1.103 fi
596 : anton 1.207
597 : anton 1.258 if grep FORCE_REG $srcdir/arch/$machine/machine.h >/dev/null; then
598 : pazsan 1.227 OPTS2=''
599 :     for i in $OPTS; do OPTS2="$OPTS2 $i-reg"; done
600 :     OPTS="$OPTS2 $OPTS"
601 : anton 1.223 else
602 :     AC_DEFINE_UNQUOTED(FORCE_REG_UNNECESSARY,,[defined if the platform does not need FORCE_REG])
603 : anton 1.207 fi
604 : anton 1.206 AC_SUBST(OPTS)
605 : anton 1.103
606 :     AC_TYPE_OFF_T
607 :     AC_CHECK_SIZEOF(off_t)
608 :     test $ac_cv_sizeof_off_t -gt $ac_cv_sizeof_char_p
609 :     ac_small_off_t=$?
610 :     AC_DEFINE_UNQUOTED(SMALL_OFF_T,$ac_small_off_t,[1 if off_t fits in a Cell])
611 : anton 1.1
612 : anton 1.109 ENGINE_FLAGS=
613 :     AC_SUBST(ENGINE_FLAGS)
614 :    
615 :     # Try if GCC understands -fno-gcse
616 :    
617 :     AC_MSG_CHECKING([if $CC understands -fno-gcse])
618 :     CFLAGS_1="$CFLAGS"
619 :     CFLAGS="$CFLAGS -fno-gcse"
620 :     AC_TRY_COMPILE(,,ac_nogcse=yes;ENGINE_FLAGS="$ENGINE_FLAGS -fno-gcse",ac_nogcse=no)
621 :     CFLAGS="$CFLAGS_1"
622 :     AC_MSG_RESULT($ac_nogcse)
623 :    
624 :     # Try if GCC understands -fno-strict-aliasing
625 :     AC_MSG_CHECKING([if $CC understands -fno-strict-aliasing])
626 :     CFLAGS_1="$CFLAGS"
627 :     CFLAGS="$CFLAGS -fno-strict-aliasing"
628 :     AC_TRY_COMPILE(,,ac_nostrictaliasing=yes;ENGINE_FLAGS="$ENGINE_FLAGS -fno-strict-aliasing",ac_nostrictaliasing=no)
629 :     CFLAGS="$CFLAGS_1"
630 :     AC_MSG_RESULT($ac_nostrictaliasing)
631 :    
632 : anton 1.123 # Try if GCC understands -fno-crossjumping
633 :     AC_MSG_CHECKING([if $CC understands -fno-crossjumping])
634 : pazsan 1.88 CFLAGS_1="$CFLAGS"
635 : anton 1.123 CFLAGS="$CFLAGS -fno-crossjumping"
636 : anton 1.125 AC_TRY_COMPILE(,,ac_nocrossjumping=yes;ENGINE_FLAGS="$ENGINE_FLAGS -fno-crossjumping",ac_nocrossjumping=no)
637 : anton 1.109 CFLAGS="$CFLAGS_1"
638 : pazsan 1.124 AC_MSG_RESULT($ac_nocrossjumping)
639 : pazsan 1.88
640 : pazsan 1.137 # Try if GCC understands -fno-reorder-blocks
641 :     AC_MSG_CHECKING([if $CC understands -fno-reorder-blocks])
642 :     CFLAGS_1="$CFLAGS"
643 :     CFLAGS="$CFLAGS -fno-reorder-blocks"
644 :     AC_TRY_COMPILE(,,ac_noreorder_blocks=yes;ENGINE_FLAGS="$ENGINE_FLAGS -fno-reorder-blocks",ac_noreorder_blocks=no)
645 :     CFLAGS="$CFLAGS_1"
646 :     AC_MSG_RESULT($ac_noreorder_blocks)
647 :    
648 : anton 1.189 # Try if GCC understands -falign-labels=1
649 :     AC_MSG_CHECKING([if $CC understands -falign-labels=1])
650 :     CFLAGS_1="$CFLAGS"
651 :     CFLAGS="$CFLAGS -falign-labels=1"
652 : anton 1.194 AC_TRY_COMPILE(,,ac_align_labels=yes;ENGINE_FLAGS="$ENGINE_FLAGS -falign-labels=1",ac_align_labels=no)
653 : anton 1.189 CFLAGS="$CFLAGS_1"
654 :     AC_MSG_RESULT($ac_align_labels)
655 :    
656 : anton 1.193 # Try if GCC understands -falign-loops=1
657 :     AC_MSG_CHECKING([if $CC understands -falign-loops=1])
658 :     CFLAGS_1="$CFLAGS"
659 :     CFLAGS="$CFLAGS -falign-loops=1"
660 : anton 1.194 AC_TRY_COMPILE(,,ac_align_loops=yes;ENGINE_FLAGS="$ENGINE_FLAGS -falign-loops=1",ac_align_loops=no)
661 : anton 1.193 CFLAGS="$CFLAGS_1"
662 :     AC_MSG_RESULT($ac_align_loops)
663 :    
664 :     # Try if GCC understands -falign-jumps=1
665 :     AC_MSG_CHECKING([if $CC understands -falign-jumps=1])
666 :     CFLAGS_1="$CFLAGS"
667 :     CFLAGS="$CFLAGS -falign-jumps=1"
668 : anton 1.194 AC_TRY_COMPILE(,,ac_align_jumps=yes;ENGINE_FLAGS="$ENGINE_FLAGS -falign-jumps=1",ac_align_jumps=no)
669 : anton 1.193 CFLAGS="$CFLAGS_1"
670 :     AC_MSG_RESULT($ac_align_jumps)
671 :    
672 : anton 1.271 if test -z "$LIBTOOL_CC"
673 :     then
674 :     LIBTOOL_CC="$CC"
675 :     # Try if GCC understands -Wimplicit-function-declaration
676 :     AC_MSG_CHECKING([if $CC understands -Wimplicit-function-declaration])
677 :     CFLAGS_1="$CFLAGS"
678 :     CFLAGS="$CFLAGS -Wimplicit-function-declaration"
679 :     AC_TRY_COMPILE(,,LIBTOOL_CC="$CC -Wimplicit-function-declaration",)
680 :     CFLAGS="$CFLAGS_1"
681 :     AC_MSG_RESULT($ac_align_jumps)
682 :     fi
683 :     AC_SUBST(LIBTOOL_CC)
684 :    
685 :    
686 :    
687 : anton 1.130 # Try if GCC understands __attribute__((unused))
688 :     AC_MSG_CHECKING([how to suppress 'unused variable' warnings])
689 :     AC_TRY_COMPILE(,[int __attribute__((unused)) foo;], MAYBE_UNUSED='__attribute__((unused))',)
690 :     AC_DEFINE_UNQUOTED(MAYBE_UNUSED,$MAYBE_UNUSED,[attribute for possibly unused variables])
691 :     AC_MSG_RESULT($MAYBE_UNUSED)
692 :    
693 : anton 1.289 # Try if GCC understands __thread
694 :     AC_MSG_CHECKING([whether gcc understands '__thread'])
695 :     AC_TRY_COMPILE(,[extern __thread int foo;],PER_THREAD='__thread',)
696 :     AC_DEFINE_UNQUOTED(PER_THREAD,$PER_THREAD,[storage class for thread-local variables])
697 :     AC_MSG_RESULT($PER_THREAD)
698 :    
699 : anton 1.195 #try if m4 understands -s
700 :     AC_MSG_CHECKING([how to invoke m4])
701 : anton 1.196 if m4 -s /dev/null >/dev/null 2>&1; then
702 : anton 1.195 M4="m4 -s"
703 :     else
704 :     M4=m4
705 :     fi
706 :     AC_SUBST(M4)
707 :     AC_MSG_RESULT($M4)
708 :    
709 : anton 1.215 #echo "machine='$machine'"
710 : anton 1.191
711 :     dnl AC_CHECK_PROG(asm_fs,asm.fs,arch/$machine/asm.fs,,$srcdir/arch/$machine)
712 : pazsan 1.275 if test x$EC_MODE = xfalse
713 :     then
714 : dvdkhlng 1.278 AS_IF([test -f $srcdir/arch/$machine/asm.fs],
715 :     [asm_fs=arch/$machine/asm.fs])
716 : pazsan 1.275 fi
717 : anton 1.61 AC_SUBST(asm_fs)
718 :    
719 : anton 1.191 dnl AC_CHECK_PROG(disasm_fs,disasm.fs,arch/$machine/disasm.fs,,$srcdir/arch/$machine)
720 : pazsan 1.275 if test x$EC_MODE = xfalse
721 :     then
722 : dvdkhlng 1.278 AS_IF([test -f $srcdir/arch/$machine/disasm.fs],
723 :     [disasm_fs=arch/$machine/disasm.fs])
724 : pazsan 1.275 fi
725 : anton 1.61 AC_SUBST(disasm_fs)
726 :    
727 : anton 1.116 AC_PATH_PROG(INSTALL_INFO,install-info,[echo '>>>>Please make info dir entry:'],$PATH:/sbin:/usr/sbin:/usr/local/sbin)
728 : anton 1.114
729 : pazsan 1.39 case "$host_os" in
730 : pazsan 1.157 *win32*)
731 :     # !!!FIXME!!! problems with cygwin and ';' as path separator
732 : anton 1.108 DIRSEP="\\\\"
733 : anton 1.127 PATHSEP=";"
734 : anton 1.142 #we want the builtins of command.com/cmd.exe and its
735 :     # handling of .com files.
736 :     #$COMSPEC contains the name of the Windows shell;
737 :     # the ./ is there, because the bash does not recognize
738 :     # absolute DOS filenames
739 :     DEFAULTSYSTEMPREFIX="./$COMSPEC /c "
740 : pazsan 1.39 ;;
741 : anton 1.97 *darwin*)
742 :     #Darwin uses some funny preprocessor by default; eliminate it:
743 : anton 1.127 AC_MSG_NOTICE([using -no-cpp-precomp on Darwin])
744 : anton 1.120 CFLAGS="$CFLAGS -no-cpp-precomp"
745 : anton 1.98 DIRSEP="/"
746 : anton 1.127 PATHSEP=":"
747 : anton 1.141 DEFAULTSYSTEMPREFIX=""
748 : anton 1.243 #the following magic value was suggested by
749 :     #http://mail.python.org/pipermail/pythonmac-sig/2005-October/015190.html
750 :     AC_DEFINE_UNQUOTED(MACOSX_DEPLOYMENT_TARGET,"10.3",[an environment variable value needed by libtool on some MacOS X versions])
751 : anton 1.98 ;;
752 : pazsan 1.246 *linux*)
753 :     DIRSEP="/"
754 :     PATHSEP=":"
755 :     DEFAULTSYSTEMPREFIX=""
756 : anton 1.250 if test -z "$LTDL_LIBRARY_PATH" -a "$wordsize" = 64; then
757 : pazsan 1.253 LTDL_LIBRARY_PATH=`/sbin/ldconfig -p |tail -n +2 |sed 's/^.* => //'|sed 's|/[[^/]]*$||'| grep 64 | sort -u | tr '\n' : | sed -e 's/:$//'`
758 : pazsan 1.246 fi
759 :     ;;
760 : pazsan 1.39 *)
761 : pazsan 1.88 DIRSEP="/"
762 : anton 1.127 PATHSEP=":"
763 : anton 1.141 DEFAULTSYSTEMPREFIX=""
764 : pazsan 1.39 ;;
765 :     esac
766 : pazsan 1.88 AC_SUBST(DIRSEP)
767 : pazsan 1.89 AC_DEFINE_UNQUOTED(DIRSEP,'$DIRSEP',[a directory separator character])
768 : anton 1.127 AC_SUBST(PATHSEP)
769 :     AC_DEFINE_UNQUOTED(PATHSEP,'$PATHSEP',[a path separator character])
770 : anton 1.141 AC_SUBST(DEFAULTSYSTEMPREFIX)
771 :     AC_DEFINE_UNQUOTED(DEFAULTSYSTEMPREFIX,"$DEFAULTSYSTEMPREFIX",[default for environment variable GFORTHSYSTEMPREFIX])
772 : anton 1.250 if test -n "$LTDL_LIBRARY_PATH"; then
773 :     AC_DEFINE_UNQUOTED(LTDL_LIBRARY_PATH,"$LTDL_LIBRARY_PATH",[Define LTDL_LIBRARY_PATH for 64 bit Linux])
774 :     fi
775 : pazsan 1.39
776 : anton 1.170 #work around SELinux brain damage (from Andrew Haley <12t8f3jakb74g2c@news.supernews.com>)
777 : anton 1.172 #This magic incantation seems to be completely undocumented.
778 :     AC_CHECK_PROG([MASSAGE_EXE],[chcon],[chcon -t unconfined_execmem_exec_t],[true])
779 : anton 1.170
780 : anton 1.1 dnl Now a little support for DOS/DJGCC
781 : pazsan 1.276 GFORTHFAST_EXE="$GFORTH_EXE"
782 :     GFORTHITC_EXE="$GFORTH_EXE"
783 :     GFORTHDITC_EXE="$GFORTH_EXE"
784 : pazsan 1.30 AC_SUBST(GFORTH_EXE)
785 : anton 1.48 AC_SUBST(GFORTHFAST_EXE)
786 : anton 1.83 AC_SUBST(GFORTHITC_EXE)
787 : pazsan 1.30 AC_SUBST(GFORTHDITC_EXE)
788 : anton 1.27
789 :     AC_SUBST(FORTHSIZES)
790 : anton 1.24
791 : anton 1.104 dnl if test "$PEEPHOLE" = "yes"
792 :     dnl then
793 :     dnl PEEPHOLEFLAG="true"
794 :     dnl AC_DEFINE(HAS_PEEPHOLE,,[Define if you want to use peephole optimization])
795 :     dnl else
796 :     dnl PEEPHOLEFLAG="false"
797 :     dnl fi
798 :     PEEPHOLEFLAG="true"
799 : pazsan 1.79 AC_SUBST(PEEPHOLEFLAG)
800 :    
801 : anton 1.1 dnl copy commands for systems that don't have links
802 : pazsan 1.29 AC_SUBST(LINK_KERNL)
803 :     LINK_KERNL=""
804 : anton 1.1
805 :     #if test $host_os=dos
806 :     #then
807 :     # echo Configuring for DOS!!!
808 :     # MAKE_EXE="coff2exe gforth"
809 : pazsan 1.29 # LINK_KERNL='$(CP) kernl32l.fi kernel.fi'
810 : anton 1.1 #fi
811 :    
812 :     dnl the following macro produces a warning with autoconf-2.1
813 :     AC_C_BIGENDIAN
814 : pazsan 1.23 AC_SUBST(KERNEL)
815 : anton 1.1 dnl ac_cv_c_bigendian is an undocumented variable of autoconf-2.1
816 : pazsan 1.256 if test $ac_cv_c_bigendian != no; then
817 : anton 1.1 bytesex=b
818 : pazsan 1.23 KERNEL="kernl16b.fi kernl16l.fi kernl32b.fi kernl32l.fi kernl64b.fi kernl64l.fi"
819 : anton 1.1 else
820 :     bytesex=l
821 : pazsan 1.23 KERNEL="kernl16l.fi kernl16b.fi kernl32l.fi kernl32b.fi kernl64l.fi kernl64b.fi"
822 : anton 1.1 fi
823 :    
824 : anton 1.91 #check how to do asm(".skip 16")
825 : anton 1.169 #echo "CFLAGS=$CFLAGS"
826 :     #echo "ac_link=$ac_link"
827 : anton 1.92 AC_MSG_CHECKING([if and how we can waste code space])
828 : dvdkhlng 1.279 if test -z "$skipcode" && test x$cross_compiling = xyes; then
829 :     # we cannot perform the AC_TRY_RUN check when cross-compiling.
830 :     skipcode=no
831 :     AC_MSG_RESULT([$skipcode, can't run checks since cross-compiling])
832 :     elif test -z "$skipcode"; then
833 : anton 1.148 skipcode=no
834 :     CFLAGS_1="$CFLAGS"
835 :     CFLAGS="$CFLAGS $ENGINE_FLAGS"
836 : anton 1.136 for i in ".skip 16" ".block 16" ".org .+16" ".=.+16" ".space 16"
837 :     do
838 : anton 1.91 AC_TRY_RUN(
839 : anton 1.136 [int foo(int,int,int);
840 : anton 1.91 main()
841 :     {
842 : anton 1.136 exit(foo(0,0,0)!=16);
843 : anton 1.91 }
844 : anton 1.136 int foo(int x, int y, int z)
845 : anton 1.91 {
846 : anton 1.136 static void *labels[]={&&label1, &&label2};
847 : anton 1.91 if (x) {
848 : anton 1.136 y++; /* workaround for http://gcc.gnu.org/bugzilla/show_bug.cgi?id=12108 */
849 : anton 1.91 label1:
850 : anton 1.148 asm("$i"); /* or ".space 16" or somesuch */
851 : anton 1.136 label2: ;
852 :     }
853 :     {
854 :     if (y) goto *labels[z]; /* workaround for gcc PR12108 */
855 :     return labels[1]-labels[0];
856 : anton 1.91 }
857 : anton 1.136 }]
858 : anton 1.92 ,skipcode=$i; break
859 :     ,,)
860 : anton 1.136 done
861 : anton 1.148 CFLAGS=$CFLAGS_1
862 : anton 1.136 fi
863 : anton 1.92 AC_MSG_RESULT($skipcode)
864 :     if test "$skipcode" = no
865 :     then
866 : anton 1.136 if test -z $no_dynamic_default; then
867 :     no_dynamic_default=1
868 :     AC_MSG_WARN(Disabling default dynamic native code generation)
869 :     fi
870 : dvdkhlng 1.280 AC_DEFINE_UNQUOTED(SKIP16,asm(""),statement for skipping 16 bytes)
871 : anton 1.92 else
872 :     AC_DEFINE_UNQUOTED(SKIP16,asm("$skipcode"),statement for skipping 16 bytes)
873 :     fi
874 : anton 1.91
875 : anton 1.174 AC_MSG_CHECKING([if and how we can do comments in asm statements])
876 :     #the point here is to get asm statements that look different to
877 :     #gcc's "optimizer"
878 :     if test -z "$asmcomment"; then
879 :     asmcomment=no
880 :     CFLAGS_1="$CFLAGS"
881 :     CFLAGS="$CFLAGS $ENGINE_FLAGS"
882 : anton 1.176 for i in '"# "' '"! "' '"; "'; do
883 : anton 1.174 AC_TRY_COMPILE(,[asm($i"fluffystunk");],asmcomment=$i; break,)
884 :     done
885 :     CFLAGS=$CFLAGS_1
886 :     fi
887 :     AC_MSG_RESULT($asmcomment)
888 :     if test "$asmcomment" != no
889 :     then
890 :     AC_DEFINE_UNQUOTED(ASMCOMMENT,$asmcomment,[assembler comment start string])
891 :     fi
892 :    
893 : anton 1.136 test "$no_dynamic_default" || no_dynamic_default=0
894 : anton 1.92 AC_DEFINE_UNQUOTED(NO_DYNAMIC_DEFAULT,$no_dynamic_default,default value for no_dynamic)
895 : anton 1.91
896 : anton 1.1 dnl Checks for programs.
897 :     AC_PROG_LN_S
898 : anton 1.95 AC_PROG_INSTALL
899 : pazsan 1.163 AC_CHECK_PROGS(TEXI2DVI,texi2dvi4a2ps texi2dvi)
900 : anton 1.1
901 : anton 1.288 dnl check for the presence of Emacs
902 :     AC_CHECK_PROGS(EMACS,emacs xemacs)
903 :     test -n "$EMACS" && gforth_elc=gforth.elc
904 :     AC_SUBST(gforth_elc)
905 :    
906 : anton 1.198 dnl MacOS X has a libtool that does something else
907 : pazsan 1.264 AC_CHECK_PROGS(GNU_LIBTOOL,"glibtool --tag=CC" libtool)
908 : anton 1.198
909 : anton 1.269 dnl Checks for library functions
910 :     dnl This check is just for making later checks link with libm.
911 :     dnl using sin here is no good idea since it is built-into gcc and typechecked
912 :     AC_CHECK_LIB(m,asin)
913 :     AC_CHECK_LIB(ltdl,lt_dlinit)
914 : pazsan 1.295 AC_CHECK_LIB(rt,clock_gettime)
915 : anton 1.269
916 :     if test -n "$GNU_LIBTOOL" -a $ac_cv_lib_ltdl_lt_dlinit = yes; then
917 : anton 1.258 build_libcc_named=build-libcc-named
918 :     else
919 :     build_libcc_named=""
920 : anton 1.274 AC_MSG_WARN([No GNU_LIBTOOL found, skip pre-building libcc-based libraries])
921 : anton 1.258 fi
922 :     AC_SUBST(build_libcc_named)
923 :    
924 : anton 1.274
925 :     if test -z "$GNU_LIBTOOL"; then
926 :     AC_MSG_WARN([No GNU_LIBTOOL found, using "libtool" as name.])
927 :     AC_MSG_WARN([libcc.fs won't work until you have installed (GNU) libtool.])
928 :     GNU_LIBTOOL=libtool
929 :     fi
930 :    
931 : anton 1.235 #check for libffi 2.x
932 : anton 1.237 AC_CHECK_HEADER(ffi.h,FFI_H_NAME=ffi.h,)
933 :     if test -z "$FFI_H_NAME"; then
934 :     AC_CHECK_HEADER(ffi/ffi.h,FFI_H_NAME=ffi/ffi.h,)
935 :     fi
936 :     AC_SUBST(FFI_H_NAME)
937 : pazsan 1.286 AC_CHECK_LIB(ffi,ffi_call,LIBS="$LIBS")
938 : anton 1.241 if test -n "$FFI_H_NAME" -a $ac_cv_lib_ffi_ffi_call = yes
939 : anton 1.235 then
940 :     LIBFFIFLAG="true"
941 : anton 1.236 LIBCC_BUILD_SRC="$LIBCC_BUILD_SRC libffi.fs"
942 : anton 1.235 else
943 :     LIBFFIFLAG="false"
944 :     fi
945 :     #check for ffcall libraries
946 :     #unfortunately, these four calls are separated out into a library each.
947 : pazsan 1.286 AC_CHECK_LIB(avcall,__builtin_avcall,LIBS="$LIBS")
948 : pazsan 1.234 dnl AC_CHECK_LIB(callback,__vacall_r)
949 :     dnl AC_CHECK_LIB(vacall,vacall)
950 :     dnl AC_CHECK_LIB(trampoline,alloc_trampoline)
951 : anton 1.235 if test $ac_cv_lib_avcall___builtin_avcall = yes; then
952 :     FFCALLFLAG="true"
953 : anton 1.236 LIBCC_BUILD_SRC="$LIBCC_BUILD_SRC fflib.fs"
954 : anton 1.235 else
955 :     FFCALLFLAG="false"
956 :     fi
957 :     if test $LIBFFIFLAG = false -a $FFCALLFLAG = false; then
958 :     AC_MSG_WARN([The (old) lib.fs foreign function interface needs either libffi or the ffcall libraries])
959 :     fi
960 :     AC_SUBST(LIBFFIFLAG)
961 :     AC_SUBST(FFCALLFLAG)
962 : anton 1.236 AC_SUBST(LIBCC_BUILD_SRC)
963 : pazsan 1.32 if test "$host_os" != "nextstep3"
964 :     then
965 :     AC_FUNC_MEMCMP
966 :     fi
967 : pazsan 1.300 AC_REPLACE_FUNCS(memmove strtoul pow10 sincos strerror strsignal atanh)
968 : anton 1.97 AC_FUNC_FSEEKO
969 : pazsan 1.296 AC_CHECK_FUNCS(ftello dlopen sys_siglist getrusage nanosleep clock_gettime)
970 : anton 1.111 AC_CHECK_TYPES(stack_t,,,[#include <signal.h>])
971 : anton 1.19 AC_DECL_SYS_SIGLIST
972 : anton 1.138 AC_CHECK_FUNC(getopt_long,[true],[AC_LIBOBJ(getopt) AC_LIBOBJ(getopt1)])
973 : anton 1.90 AC_CHECK_FUNCS(expm1 log1p)
974 :     AC_REPLACE_FUNCS(rint ecvt)
975 : anton 1.1 dnl No check for select, because our replacement is no good under
976 :     dnl anything but DOS
977 : pazsan 1.277 AC_CHECK_HEADERS(sys/mman.h fnmatch.h alloca.h wchar.h endian.h)
978 : anton 1.63 AC_FUNC_FNMATCH
979 : pazsan 1.87 test $ac_cv_func_fnmatch_works = yes || AC_LIBOBJ(fnmatch)
980 : anton 1.255 AC_CHECK_FUNCS(mmap sysconf getpagesize wcwidth)
981 : anton 1.34 AM_PATH_LISPDIR
982 : anton 1.1
983 : pazsan 1.183 kernel_fi=kernl${vwordsize}${bytesex}.fi
984 : pazsan 1.178 include_fi=kernl${wordsize}${bytesex}${EC}.fi
985 : pazsan 1.23 AC_SUBST(kernel_fi)
986 : pazsan 1.178 AC_SUBST(include_fi)
987 : jwilke 1.50
988 : pazsan 1.292 # Find installed Gforth
989 :     AC_MSG_CHECKING([for gforth])
990 :     GFORTH="`cd / && which gforth 2>/dev/null`"
991 :     #the "$srcdir" = "." test defends agains the "../" bug in gforth-0.6.2
992 :     (cd / && $GFORTH -e bye >/dev/null 2>/dev/null && test "$srcdir" = ".") || GFORTH=""
993 :     if test -z "$GFORTH"; then
994 :     PREFORTH='echo "You need to configure with a gforth in \$PATH to build this part" && false'
995 : pazsan 1.293 GFORTHKER='echo "You need to configure with a gforth in \$PATH to build this part" && false'
996 : pazsan 1.292 kernel_anti_dependence=''
997 :     else
998 :     GFORTH_FI=`cd / && $GFORTH --debug -e bye 2>&1 |grep "Opened image file: "|sed 's/Opened image file: //'`
999 :     PREFORTH="$GFORTH -i $GFORTH_FI" ;
1000 : pazsan 1.294 KERNLX_FI1=`echo $GFORTH_FI | sed -e s/lib/share/g -e s/gforth.fi/kernl*.fi/g`
1001 :     KERNLX_FI2=`echo $GFORTH_FI | sed -e s/gforth.fi/kernl*.fi/g`
1002 :     test -f $KERNLX_FI1 && KERNLX_FI=$KERNLX_FI1
1003 :     test -f $KERNLX_FI2 && KERNLX_FI=$KERNLX_FI2
1004 : pazsan 1.293 GFORTHKER="$GFORTH -i `echo $KERNLX_FI`" ;
1005 : pazsan 1.292 kernel_anti_dependence='$(kernel_fi)'
1006 :     fi
1007 :     AC_SUBST(PREFORTH)
1008 : pazsan 1.293 AC_SUBST(GFORTHKER)
1009 : pazsan 1.292 AC_SUBST(kernel_anti_dependence)
1010 :     AC_MSG_RESULT($PREFORTH)
1011 :    
1012 : anton 1.76 #this breaks bindists
1013 :     #dnl replace srource directory by absolute value
1014 :     #if test $srcdir = "."; then srcdir=`pwd`
1015 :     #fi
1016 : anton 1.8
1017 : anton 1.34 AC_SUBST(machine)
1018 : anton 1.95 AC_CONFIG_FILES([
1019 : anton 1.31 Makefile
1020 : pazsan 1.45 Makedist
1021 : anton 1.43 gforthmi
1022 : anton 1.80 vmgen
1023 : pazsan 1.79 machpc.fs
1024 : pazsan 1.159 envos.fs
1025 : anton 1.223 preforth
1026 : pazsan 1.293 gforthker
1027 : anton 1.35 engine/Makefile
1028 : anton 1.188 engine/libcc.h
1029 : pazsan 1.161 doc/version.texi
1030 :     build-ec ])
1031 : anton 1.95 AC_CONFIG_COMMANDS([stamp-h],[[echo timestamp > stamp-h
1032 : anton 1.43 chmod +x gforthmi
1033 : anton 1.80 chmod +x vmgen
1034 : pazsan 1.162 chmod +x build-ec
1035 : anton 1.223 chmod +x preforth
1036 : pazsan 1.293 chmod +x gforthker
1037 : anton 1.188 test -d kernel||mkdir kernel
1038 : anton 1.258 if test $srcdir != "."; then ln -sf $srcdir/gforth.el .; fi
1039 : anton 1.188 $srcdir/mkinstalldirs include/gforth/$PACKAGE_VERSION
1040 : anton 1.262 $srcdir/mkinstalldirs arch/$machine
1041 :     ln -sf ../../../engine/config.h ../../../engine/libcc.h include/gforth/$PACKAGE_VERSION]],
1042 :     [PACKAGE_VERSION=$PACKAGE_VERSION
1043 :     machine=$machine])
1044 : anton 1.95 AC_OUTPUT

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