[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=${withval}
126 : pazsan 1.291 NO_EC=""
127 :     NO_CROSS="#"
128 : pazsan 1.290 fi])
129 :    
130 : pazsan 1.307 AC_ARG_WITH(arch,
131 :     AC_HELP_STRING([--with-arch=<arch>],
132 :     [ Build gforth binaries with <arch> postfix]),
133 :     [if test "$withval" = "no"; then
134 :     ARCH=""
135 :     else
136 :     ARCH=-${withval}
137 :     fi])
138 :     AC_SUBST(ARCH)
139 :    
140 : anton 1.104 #variables mentioned in INSTALL
141 : pazsan 1.302 AC_ARG_VAR(SH, [The shell])
142 : anton 1.203 AC_ARG_VAR(CC, [The C compiler (must support GNU C 2.x).])
143 : anton 1.104 AC_ARG_VAR(FORTHSIZES, [Gforth command line options for the default stack and dictionary sizes (see INSTALL).])
144 : 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).])
145 : 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).])
146 : 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)])
147 : anton 1.236 AC_ARG_VAR(LIBCC_BUILD_SRC, [(Additional) libcc interface source files that should be processed on building and installation (default none)])
148 : anton 1.173
149 : anton 1.104 AC_ARG_VAR(ac_cv_sizeof_char_p, [sizeof(char *)])
150 : pazsan 1.183 AC_ARG_VAR(ac_cv_sizeof_void_p, [sizeof(void *)])
151 : anton 1.104 AC_ARG_VAR(ac_cv_sizeof_char, [sizeof(char)])
152 :     AC_ARG_VAR(ac_cv_sizeof_short, [sizeof(short)])
153 :     AC_ARG_VAR(ac_cv_sizeof_int, [sizeof(int)])
154 :     AC_ARG_VAR(ac_cv_sizeof_long, [sizeof(long)])
155 :     AC_ARG_VAR(ac_cv_sizeof_long_long, [sizeof(long long)])
156 :     AC_ARG_VAR(ac_cv_sizeof_intptr_t, [sizeof(intptr_t)])
157 : anton 1.254 AC_ARG_VAR(ac_cv_sizeof_int128_t, [sizeof(int128_t)])
158 :     AC_ARG_VAR(ac_cv_sizeof_uint128_t, [sizeof(uint128_t)])
159 : anton 1.123 AC_ARG_VAR(ac_cv_c_bigendian, [Is the target big-endian ("yes" or "no")?])
160 :     AC_ARG_VAR(no_dynamic_default, [run gforth with --dynamic (0) or --no-dynamic (1) by default])
161 : anton 1.190 AC_ARG_VAR(condbranch_opt, [enable (1) or disable (0) using two dispatches for conditional branches])
162 : anton 1.166 AC_ARG_VAR(skipcode, [assembly code for skipping 16 bytes of code])
163 : anton 1.174 AC_ARG_VAR(asmcomment, [assembler comment start string])
164 : anton 1.175 AC_ARG_VAR(arm_cacheflush, [file containing ARM cacheflush function (without .c)])
165 : anton 1.250 AC_ARG_VAR(LTDL_LIBRARY_PATH, [additional directories for libltdl (for some 64-bit platforms)])
166 : anton 1.82
167 : anton 1.96 #set up feature test macros, so the tests get them right:
168 :     # turn on all POSIX, SUSv3, and GNU features if available
169 : anton 1.97 AC_GNU_SOURCE
170 :     dnl AC_DEFINE_UNQUOTED([_GNU_SOURCE],1,[feature test macro])
171 :    
172 :     dnl Don't define _POSIX_SOURCE etc. because some OSs (in particular
173 :     dnl MacOSX) disable some features then (MacOSX checks for _POSIX_SOURCE,
174 :     dnl but not for _XOPEN_SOURCE)
175 :     dnl AC_DEFINE_UNQUOTED([_POSIX_SOURCE],1,[feature test macro])
176 :     dnl AC_DEFINE_UNQUOTED([_POSIX_C_SOURCE],199506L,[feature test macro])
177 :     dnl AC_DEFINE_UNQUOTED([_XOPEN_SOURCE],600,[feature test macro])
178 : anton 1.96 # turn on large file support with 64-bit off_t where available
179 : anton 1.105 AC_SYS_LARGEFILE
180 :     dnl AC_DEFINE_UNQUOTED([_LARGEFILE_SOURCE],1,[feature test macro])
181 :     dnl AC_DEFINE_UNQUOTED([_FILE_OFFSET_BITS],64,[feature test macro])
182 : anton 1.96
183 : anton 1.82 #currently we force direct threading this way. Eventually we should
184 :     #setup in the arch and engine files right
185 : anton 1.16
186 : pazsan 1.15 AC_PROG_CC
187 :    
188 : anton 1.92 test "$GCC" = "yes" || AC_MSG_ERROR(Gforth uses GNU C extensions and requires GCC 2.0 or higher)
189 : pazsan 1.9
190 : pazsan 1.302 test "x$SH" = "x" && SH="/bin/sh"
191 :    
192 : anton 1.190 AC_MSG_CHECKING([whether to use two dispatches per conditional branch])
193 :     test x$condbranch_opt = x &&
194 : anton 1.238 if ($CC -v 2>&1 |grep 'gcc version 3' >/dev/null); then
195 : anton 1.190 condbranch_opt=0
196 :     else
197 :     condbranch_opt=1
198 :     fi
199 :     AC_MSG_RESULT($condbranch_opt)
200 :     AC_SUBST(condbranch_opt)
201 : pazsan 1.301 AC_SUBST(host_cpu)
202 : anton 1.190
203 : pazsan 1.302 AC_SUBST(SH)
204 : pazsan 1.15 AC_SUBST(CC)
205 : pazsan 1.183 AC_SUBST(GCC_LD)
206 : pazsan 1.9 AC_SUBST(DEBUGFLAG)
207 : pazsan 1.178 AC_SUBST(EC)
208 : pazsan 1.275 AC_SUBST(NO_EC)
209 : pazsan 1.291 AC_SUBST(NO_CROSS)
210 : pazsan 1.167 AC_SUBST(EC_MODE)
211 : pazsan 1.178 AC_SUBST(engine2)
212 :     AC_SUBST(engine_fast2)
213 :     AC_SUBST(no_dynamic)
214 :     AC_SUBST(image_i)
215 : pazsan 1.179 AC_SUBST(signals_o)
216 : anton 1.7
217 : anton 1.174 #this is used to disable some (not generally essential) part of the
218 :     #Makefile that some makes don't grok. It would be better to test for
219 :     #this specific Makefile feature than the make version.
220 : pazsan 1.128 AC_MSG_CHECKING(make type)
221 : anton 1.174 make_type=`make -n -v 2>&1|grep 'ake'|sed 's/ake .*/ake/'`
222 : pazsan 1.128 GNUMAKE='#'
223 :     test "$make_type" = "GNU Make" && GNUMAKE=''
224 :     AC_MSG_RESULT($make_type)
225 :     AC_SUBST(GNUMAKE)
226 :    
227 : pazsan 1.304 if test "$ac_export_dynamic" != yes; then
228 :     AC_MSG_CHECKING([whether the linker accepts -export-dynamic])
229 :     OLDLDFLAGS=$LDFLAGS
230 :     LDFLAGS="$LDFLAGS -export-dynamic"
231 :     dnl AC_TRY_LINK gives false positive on rs6000-ibm-aix4.2.1.0
232 :     dnl AC_TRY_LINK(,,ac_export_dynamic=yes,ac_export_dynamic=no)
233 :     AC_TRY_RUN(main(){exit(0);},ac_export_dynamic=yes,ac_export_dynamic=no,ac_export_dynamic=no)
234 :     test $ac_export_dynamic = yes|| LDFLAGS=$OLDLDFLAGS
235 :     AC_MSG_RESULT($ac_export_dynamic)
236 :     else
237 :     LDFLAGS="$LDFLAGS -export-dynamic"
238 :     fi
239 : jwilke 1.50
240 : anton 1.1 #terminology is a bit unusual here: The host is the system on which
241 :     #gforth will run; the system on which configure will run is the `build'
242 :     case "$host_cpu" in
243 : anton 1.136 arm*)
244 :     machine=arm
245 :     CFLAGS="$CFLAGS -fomit-frame-pointer"
246 : pazsan 1.184 if test x$platform = xnxt; then
247 : pazsan 1.183 CFLAGS="$CFLAGS -mthumb -mthumb-interwork"
248 :     fi
249 : anton 1.175 if test -z $arm_cacheflush; then
250 : dvdkhlng 1.212 case "$host_os" in
251 :     *linux*)
252 : anton 1.260 AC_LIBOBJ(../arch/arm/cacheflush-linux)
253 : dvdkhlng 1.212 ;;
254 :     *)
255 :     no_dynamic_default=1
256 : anton 1.260 AC_LIBOBJ(../arch/arm/cacheflush0)
257 : dvdkhlng 1.212 AC_MSG_WARN([No I-cache flush code known, disabling dynamic native code generation])
258 :     ;;
259 :     esac
260 : anton 1.260 else
261 :     AC_LIBOBJ(../$arm_cacheflush)
262 :     test $srcdir = . || AC_MSG_WARN([setting arm_cacheflush requires building in the source directory])
263 : anton 1.136 fi
264 : anton 1.177 #longer skipcodes lead to problems on ARM, and it uses
265 :     #only 4-byte alignment anyway
266 :     test "$skipcode" || skipcode="nop"
267 : anton 1.136 ;;
268 : anton 1.1 hppa*)
269 : anton 1.34 machine=hppa
270 : pazsan 1.87 AC_LIBOBJ(../arch/hppa/cache)
271 : anton 1.134 #-N needed for --dynamic <M4U3b.3790$9d.317@news.cpqcorp.net>
272 :     LDFLAGS="$LDFLAGS -Xlinker -N"
273 : anton 1.47 LIBS="$LIBS -L/lib/pa1.1/"
274 : anton 1.1 ;;
275 :     sparc*)
276 : anton 1.34 machine=sparc
277 : anton 1.1 ;;
278 : anton 1.31 i386)
279 : anton 1.34 machine=386
280 : anton 1.189 CFLAGS="$CFLAGS -fomit-frame-pointer -fforce-addr"
281 : anton 1.31 ;;
282 :     i486)
283 : anton 1.34 machine=386
284 : dvdkhlng 1.282 CFLAGS="$CFLAGS -fomit-frame-pointer -fforce-addr"
285 :     CFLAGS_1="$CFLAGS"
286 :     CFLAGS="$CFLAGS -march=i486"
287 :     AC_TRY_COMPILE(,,,CFLAGS="$CFLAGS_1 -m486")
288 :     AC_TRY_COMPILE(,,,CFLAGS="$CFLAGS_1")
289 : anton 1.31 ;;
290 : anton 1.77 i*86)
291 : anton 1.34 machine=386
292 : anton 1.189 CFLAGS="$CFLAGS -fomit-frame-pointer -fforce-addr"
293 : pazsan 1.56 CFLAGS_1="$CFLAGS"
294 : dvdkhlng 1.282 CFLAGS="$CFLAGS -march=pentium -mtune=generic"
295 :     AC_TRY_COMPILE(,,,CFLAGS="$CFLAGS_1 -march=pentium")
296 : pazsan 1.56 AC_TRY_COMPILE(,,,CFLAGS="$CFLAGS_1 -m486")
297 : dvdkhlng 1.282 AC_TRY_COMPILE(,,,CFLAGS="$CFLAGS_1")
298 : anton 1.1 ;;
299 : anton 1.133 x86_64)
300 : pazsan 1.192 case $CC
301 :     in
302 :     *-m32*)
303 :     machine=386
304 :     CFLAGS="$CFLAGS -fomit-frame-pointer -fforce-addr"
305 :     CFLAGS_1="$CFLAGS"
306 :     CFLAGS="$CFLAGS -march=athlon64"
307 :     ;;
308 :     *)
309 :     machine=amd64
310 :     ;;
311 :     esac
312 : anton 1.133 ;;
313 : anton 1.136 ia64*)
314 :     machine=ia64
315 :     AC_LIBOBJ(../arch/ia64/flush_icache_block)
316 :     test "$skipcode" || skipcode="nop.i 0"
317 :     #".skip 16" passes the test below,
318 :     # but gives an assembler error in engine
319 :     ;;
320 : pazsan 1.26 m68k)
321 : anton 1.34 machine=m68k
322 : pazsan 1.32 CFLAGS="$CFLAGS -fomit-frame-pointer"
323 :     if test "$host_os" = "nextstep3"
324 :     then
325 : pazsan 1.87 AC_LIBOBJ(termios)
326 : pazsan 1.32 fi
327 : pazsan 1.26 ;;
328 : anton 1.1 mips*)
329 : anton 1.34 machine=mips
330 : dvdkhlng 1.281 AC_LIBOBJ(../arch/mips/check_prim)
331 : anton 1.92 #dynamic native code has the following problems on MIPS:
332 :     #
333 :     #1) J/JAL seems relocatable, but is are only
334 :     #relocatable within a 256MB-segment. While we try to
335 :     #get the linker to arrange this, there is no guarantee
336 :     #that this will succeed (and if the user uses a lot of
337 :     #memory, it is likely to fail).
338 :     #
339 :     #2) The way we generate dynamic native code may
340 :     #violate MIPS architectural restrictions (in
341 :     #particular, the delay slots of LW, MFLO, etc.)
342 :     #
343 :     #Therefore we disable dynamic native code by default:
344 : anton 1.255 if test -z "$no_dynamic_default"; then
345 : anton 1.136 no_dynamic_default=1
346 :     AC_MSG_WARN([Disabling default dynamic native code generation (relocation and delay slot issues)])
347 :     fi
348 : anton 1.1 ;;
349 : pazsan 1.9 alpha*)
350 : anton 1.34 machine=alpha
351 : anton 1.58 #full IEEE FP support for more uniformity across platforms:
352 :     CFLAGS="$CFLAGS -mieee"
353 : pazsan 1.9 ;;
354 : anton 1.69 power*|rs6000)
355 : anton 1.34 machine=power
356 : anton 1.138 AC_CHECK_FUNC(_sync_cache_range,[true],[AC_LIBOBJ(../arch/power/_sync_cache_range)])
357 : anton 1.103 #long long is broken on (at least) gcc-2.95.* for PPC
358 : anton 1.165 test x$ac_cv_sizeof_long_long = x &&
359 : anton 1.238 ($CC -v 2>&1 |grep 'gcc version 2.95' >/dev/null) &&
360 : anton 1.263 ac_cv_sizeof_long_long=0
361 : anton 1.203 #The only architecture with enough callee-saved registers
362 :     test x$STACK_CACHE_REGS = x && STACK_CACHE_REGS=3
363 :     #or use 2, hardly slower at run-time and starts up faster
364 : anton 1.263
365 :     #the skipcode that is normally selected below does not
366 :     #work with gcc-3.[34]
367 :     test "$skipcode" || skipcode="nop\nnop\nnop\nnop"
368 : anton 1.31 ;;
369 : anton 1.1 *)
370 : anton 1.92 AC_MSG_WARN([Using a generic machine description])
371 :     AC_MSG_WARN([Assuming C floats and doubles are IEEE floats and doubles (for SF@ DF@ SF! DF!)])
372 :     AC_MSG_WARN([FLUSH-ICACHE will do nothing, so END-CODE may not work properly!])
373 : anton 1.34 machine=generic
374 : anton 1.97 #I-cache flushing would be needed for dynamic code generation
375 : anton 1.136 if test -z $no_dynamic_default; then
376 :     no_dynamic_default=1
377 :     AC_MSG_WARN([No I-cache flush code known, disabling dynamic native code generation])
378 :     fi
379 : anton 1.1 esac
380 : anton 1.10 AC_SUBST(host)
381 : anton 1.151
382 : pazsan 1.184 MAKEINC=""
383 : pazsan 1.276 GFORTH_EXE="true"
384 : pazsan 1.184
385 :     echo "Check for arch/$machine/$platform/gforth.ld ($EC_MODE)"
386 : pazsan 1.183 if test x$EC_MODE = xtrue
387 :     then
388 : pazsan 1.184 echo "Check for arch/$machine/$platform/gforth.ld"
389 :     if test -f arch/$machine/$platform/gforth.ld
390 : pazsan 1.183 then
391 : pazsan 1.184 LDFLAGS="-T ../arch/$machine/$platform/gforth.ld -Map \$@.map -cref --gc-sections $LDFLAGS"
392 :     if test x$platform = xnxt; then
393 : 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 $LIBS"
394 :     fi
395 :     fi
396 : pazsan 1.184 if test -f arch/$machine/$platform/make.inc
397 :     then
398 :     MAKEINC="include ../arch/$machine/$platform/make.inc"
399 : pazsan 1.276 GFORTH_EXE="\$(MAKE) -f arch/$machine/$platform/make.inc \$@.exe"
400 : pazsan 1.184 fi
401 : pazsan 1.183 fi
402 : pazsan 1.184 AC_SUBST(MAKEINC)
403 : pazsan 1.183
404 : anton 1.203 AC_ARG_VAR(STACK_CACHE_REGS, [number of registers in the maximum stack cache state for gforth-fast and gforth-native (default platform-dependent).])
405 :    
406 :     test x$STACK_CACHE_REGS = x && STACK_CACHE_REGS=1
407 :     AC_DEFINE_UNQUOTED(STACK_CACHE_REGS, $STACK_CACHE_REGS,
408 :     [number of registers in the maximum stack cache state for gforth-fast and gforth-native])
409 : anton 1.151 test x$STACK_CACHE_DEFAULT_FAST = x && STACK_CACHE_DEFAULT_FAST=1
410 :     AC_DEFINE_UNQUOTED(STACK_CACHE_DEFAULT_FAST, $STACK_CACHE_DEFAULT_FAST,
411 :     [number of registers in the default stack cache state for gforth-fast and gforth-native])
412 : pazsan 1.146
413 : anton 1.173 test x$GCC_PR15242_WORKAROUND = x ||
414 :     AC_DEFINE_UNQUOTED(GCC_PR15242_WORKAROUND, $GCC_PR15242_WORKAROUND,
415 :     [force (1) or forbid (0) use of a workaround for a gcc performance bug])
416 :    
417 : anton 1.103 dnl the following macro produces a warning with autoconf-2.1
418 :     AC_CHECK_SIZEOF(char *)
419 :     case "$ac_cv_sizeof_char_p" in
420 :     2)
421 :     wordsize=16
422 :     ;;
423 :     4)
424 :     wordsize=32
425 :     ;;
426 :     8)
427 :     wordsize=64
428 :     ;;
429 :     esac
430 :    
431 : pazsan 1.183 AC_CHECK_SIZEOF(void *)
432 :     case "$ac_cv_sizeof_void_p" in
433 :     2)
434 :     vwordsize=16
435 :     ;;
436 :     4)
437 :     vwordsize=32
438 :     ;;
439 :     8)
440 :     vwordsize=64
441 :     ;;
442 :     esac
443 :    
444 : anton 1.103 AC_CHECK_SIZEOF(char)
445 :     AC_CHECK_SIZEOF(short)
446 :     AC_CHECK_SIZEOF(int)
447 :     AC_CHECK_SIZEOF(long)
448 :     AC_CHECK_SIZEOF(long long)
449 :     AC_CHECK_SIZEOF(intptr_t)
450 :     AC_CHECK_SIZEOF(int128_t)
451 : pazsan 1.144 AC_CHECK_SIZEOF(uint128_t)
452 : anton 1.103
453 :     AC_MSG_CHECKING([for a C type for cells])
454 :     ac_cv_int_type_cell=none
455 :     case "$ac_cv_sizeof_char_p" in
456 :     $ac_cv_sizeof_int)
457 :     ac_cv_int_type_cell=int
458 :     ;;
459 :     $ac_cv_sizeof_short)
460 :     ac_cv_int_type_cell=short
461 :     ;;
462 :     $ac_cv_sizeof_char)
463 :     ac_cv_int_type_cell=char
464 :     ;;
465 :     $ac_cv_sizeof_long)
466 :     ac_cv_int_type_cell=long
467 :     ;;
468 :     $ac_cv_sizeof_long_long)
469 :     ac_cv_int_type_cell="long long"
470 :     ;;
471 :     $ac_cv_sizeof_intptr_t)
472 :     ac_cv_int_type_cell="intptr_t"
473 :     ;;
474 :     esac
475 :     AC_MSG_RESULT($ac_cv_int_type_cell)
476 :     AC_DEFINE_UNQUOTED(CELL_TYPE,$ac_cv_int_type_cell,[an integer type that is as long as a pointer])
477 :    
478 : pazsan 1.153 AC_MSG_CHECKING([for a C type for wydes])
479 :     ac_cv_wyde_type_cell=none
480 :     case 2 in
481 :     $ac_cv_sizeof_int)
482 :     ac_cv_wyde_type_cell=int
483 :     ;;
484 :     $ac_cv_sizeof_short)
485 :     ac_cv_wyde_type_cell=short
486 :     ;;
487 :     $ac_cv_sizeof_char)
488 :     ac_cv_wyde_type_cell=char
489 :     ;;
490 :     $ac_cv_sizeof_long)
491 :     ac_cv_wyde_type_cell=long
492 :     ;;
493 :     $ac_cv_sizeof_long_long)
494 :     ac_cv_wyde_type_cell="long long"
495 :     ;;
496 :     $ac_cv_sizeof_intptr_t)
497 :     ac_cv_wyde_type_cell="intptr_t"
498 :     ;;
499 :     esac
500 :     AC_MSG_RESULT($ac_cv_wyde_type_cell)
501 :     AC_DEFINE_UNQUOTED(WYDE_TYPE,$ac_cv_wyde_type_cell,[an integer type that is 2 bytes long])
502 :    
503 :     AC_MSG_CHECKING([for a C type for tetrabytes])
504 :     ac_cv_tetrabyte_type_cell=none
505 :     case 4 in
506 :     $ac_cv_sizeof_int)
507 :     ac_cv_tetrabyte_type_cell=int
508 :     ;;
509 :     $ac_cv_sizeof_short)
510 :     ac_cv_tetrabyte_type_cell=short
511 :     ;;
512 :     $ac_cv_sizeof_char)
513 :     ac_cv_tetrabyte_type_cell=char
514 :     ;;
515 :     $ac_cv_sizeof_long)
516 :     ac_cv_tetrabyte_type_cell=long
517 :     ;;
518 :     $ac_cv_sizeof_long_long)
519 :     ac_cv_tetrabyte_type_cell="long long"
520 :     ;;
521 :     $ac_cv_sizeof_intptr_t)
522 :     ac_cv_tetrabyte_type_cell="intptr_t"
523 :     ;;
524 :     esac
525 :     AC_MSG_RESULT($ac_cv_tetrabyte_type_cell)
526 :     AC_DEFINE_UNQUOTED(TETRABYTE_TYPE,$ac_cv_tetrabyte_type_cell,[an integer type that is 4 bytes long])
527 :    
528 : pazsan 1.277 AC_MSG_CHECKING([for a C type for octabytes])
529 :     ac_cv_octabyte_type_cell=none
530 :     case 8 in
531 :     $ac_cv_sizeof_int)
532 :     ac_cv_octabyte_type_cell=int
533 :     ;;
534 :     $ac_cv_sizeof_short)
535 :     ac_cv_octabyte_type_cell=short
536 :     ;;
537 :     $ac_cv_sizeof_char)
538 :     ac_cv_octabyte_type_cell=char
539 :     ;;
540 :     $ac_cv_sizeof_long)
541 :     ac_cv_octabyte_type_cell=long
542 :     ;;
543 :     $ac_cv_sizeof_long_long)
544 :     ac_cv_octabyte_type_cell="long long"
545 :     ;;
546 :     $ac_cv_sizeof_intptr_t)
547 :     ac_cv_octabyte_type_cell="intptr_t"
548 :     ;;
549 :     esac
550 :     AC_MSG_RESULT($ac_cv_octabyte_type_cell)
551 :     AC_DEFINE_UNQUOTED(OCTABYTE_TYPE,$ac_cv_octabyte_type_cell,[an integer type that is 8 bytes long])
552 :    
553 : anton 1.103 AC_MSG_CHECKING([for a C type for double-cells])
554 :     ac_cv_int_type_double_cell=none
555 :     case `expr 2 '*' "$ac_cv_sizeof_char_p"` in
556 :     $ac_cv_sizeof_short)
557 :     ac_cv_int_type_double_cell=short
558 :     ;;
559 :     $ac_cv_sizeof_int)
560 :     ac_cv_int_type_double_cell=int
561 :     ;;
562 :     $ac_cv_sizeof_long)
563 :     ac_cv_int_type_double_cell=long
564 :     ;;
565 :     $ac_cv_sizeof_long_long)
566 :     ac_cv_int_type_double_cell="long long"
567 :     ;;
568 :     $ac_cv_sizeof_intptr_t)
569 :     ac_cv_int_type_double_cell="intptr_t"
570 :     ;;
571 : anton 1.205 $ac_cv_sizeof_int128_t)
572 : anton 1.103 ac_cv_int_type_double_cell="int128_t"
573 :     ;;
574 :     esac
575 :     AC_MSG_RESULT($ac_cv_int_type_double_cell)
576 : pazsan 1.144
577 :     AC_MSG_CHECKING([for a C type for unsigned double-cells])
578 :     ac_cv_int_type_double_ucell=none
579 :     case `expr 2 '*' "$ac_cv_sizeof_char_p"` in
580 :     $ac_cv_sizeof_short)
581 :     ac_cv_int_type_double_ucell="unsigned short"
582 :     ;;
583 :     $ac_cv_sizeof_int)
584 :     ac_cv_int_type_double_ucell="unsigned int"
585 :     ;;
586 :     $ac_cv_sizeof_long)
587 :     ac_cv_int_type_double_ucell="unsigned long"
588 :     ;;
589 :     $ac_cv_sizeof_long_long)
590 :     ac_cv_int_type_double_ucell="unsigned long long"
591 :     ;;
592 :     $ac_cv_sizeof_intptr_t)
593 :     ac_cv_int_type_double_ucell="unsigned intptr_t"
594 :     ;;
595 :     $ac_cv_sizeof_uint128_t)
596 :     ac_cv_int_type_double_ucell="uint128_t"
597 :     ;;
598 :     esac
599 :     AC_MSG_RESULT($ac_cv_int_type_double_ucell)
600 :    
601 : anton 1.204 if test "$ac_cv_int_type_double_cell" != none && \
602 :     test "$ac_cv_int_type_double_ucell" != none
603 : pazsan 1.144 then
604 : anton 1.103 AC_DEFINE_UNQUOTED(DOUBLE_CELL_TYPE,$ac_cv_int_type_double_cell,[an integer type that is twice as long as a pointer])
605 : pazsan 1.144 AC_DEFINE_UNQUOTED(DOUBLE_UCELL_TYPE,$ac_cv_int_type_double_ucell,[an unsigned integer type that is twice as long as a pointer])
606 : anton 1.206 OPTS=-ll
607 :     else
608 : pazsan 1.217 if test "$ac_cv_sizeof_char_p" = 8; then
609 : anton 1.213 OPTS="-ll -noll"
610 : anton 1.206 else
611 :     OPTS=-noll
612 :     fi
613 : anton 1.103 fi
614 : anton 1.207
615 : anton 1.258 if grep FORCE_REG $srcdir/arch/$machine/machine.h >/dev/null; then
616 : pazsan 1.227 OPTS2=''
617 :     for i in $OPTS; do OPTS2="$OPTS2 $i-reg"; done
618 :     OPTS="$OPTS2 $OPTS"
619 : anton 1.223 else
620 :     AC_DEFINE_UNQUOTED(FORCE_REG_UNNECESSARY,,[defined if the platform does not need FORCE_REG])
621 : anton 1.207 fi
622 : anton 1.206 AC_SUBST(OPTS)
623 : anton 1.103
624 :     AC_TYPE_OFF_T
625 :     AC_CHECK_SIZEOF(off_t)
626 :     test $ac_cv_sizeof_off_t -gt $ac_cv_sizeof_char_p
627 :     ac_small_off_t=$?
628 :     AC_DEFINE_UNQUOTED(SMALL_OFF_T,$ac_small_off_t,[1 if off_t fits in a Cell])
629 : anton 1.1
630 : anton 1.109 ENGINE_FLAGS=
631 :     AC_SUBST(ENGINE_FLAGS)
632 :    
633 :     # Try if GCC understands -fno-gcse
634 :    
635 :     AC_MSG_CHECKING([if $CC understands -fno-gcse])
636 :     CFLAGS_1="$CFLAGS"
637 :     CFLAGS="$CFLAGS -fno-gcse"
638 :     AC_TRY_COMPILE(,,ac_nogcse=yes;ENGINE_FLAGS="$ENGINE_FLAGS -fno-gcse",ac_nogcse=no)
639 :     CFLAGS="$CFLAGS_1"
640 :     AC_MSG_RESULT($ac_nogcse)
641 :    
642 :     # Try if GCC understands -fno-strict-aliasing
643 :     AC_MSG_CHECKING([if $CC understands -fno-strict-aliasing])
644 :     CFLAGS_1="$CFLAGS"
645 :     CFLAGS="$CFLAGS -fno-strict-aliasing"
646 :     AC_TRY_COMPILE(,,ac_nostrictaliasing=yes;ENGINE_FLAGS="$ENGINE_FLAGS -fno-strict-aliasing",ac_nostrictaliasing=no)
647 :     CFLAGS="$CFLAGS_1"
648 :     AC_MSG_RESULT($ac_nostrictaliasing)
649 :    
650 : anton 1.123 # Try if GCC understands -fno-crossjumping
651 :     AC_MSG_CHECKING([if $CC understands -fno-crossjumping])
652 : pazsan 1.88 CFLAGS_1="$CFLAGS"
653 : anton 1.123 CFLAGS="$CFLAGS -fno-crossjumping"
654 : anton 1.125 AC_TRY_COMPILE(,,ac_nocrossjumping=yes;ENGINE_FLAGS="$ENGINE_FLAGS -fno-crossjumping",ac_nocrossjumping=no)
655 : anton 1.109 CFLAGS="$CFLAGS_1"
656 : pazsan 1.124 AC_MSG_RESULT($ac_nocrossjumping)
657 : pazsan 1.88
658 : pazsan 1.137 # Try if GCC understands -fno-reorder-blocks
659 :     AC_MSG_CHECKING([if $CC understands -fno-reorder-blocks])
660 :     CFLAGS_1="$CFLAGS"
661 :     CFLAGS="$CFLAGS -fno-reorder-blocks"
662 :     AC_TRY_COMPILE(,,ac_noreorder_blocks=yes;ENGINE_FLAGS="$ENGINE_FLAGS -fno-reorder-blocks",ac_noreorder_blocks=no)
663 :     CFLAGS="$CFLAGS_1"
664 :     AC_MSG_RESULT($ac_noreorder_blocks)
665 :    
666 : anton 1.189 # Try if GCC understands -falign-labels=1
667 :     AC_MSG_CHECKING([if $CC understands -falign-labels=1])
668 :     CFLAGS_1="$CFLAGS"
669 :     CFLAGS="$CFLAGS -falign-labels=1"
670 : anton 1.194 AC_TRY_COMPILE(,,ac_align_labels=yes;ENGINE_FLAGS="$ENGINE_FLAGS -falign-labels=1",ac_align_labels=no)
671 : anton 1.189 CFLAGS="$CFLAGS_1"
672 :     AC_MSG_RESULT($ac_align_labels)
673 :    
674 : anton 1.193 # Try if GCC understands -falign-loops=1
675 :     AC_MSG_CHECKING([if $CC understands -falign-loops=1])
676 :     CFLAGS_1="$CFLAGS"
677 :     CFLAGS="$CFLAGS -falign-loops=1"
678 : anton 1.194 AC_TRY_COMPILE(,,ac_align_loops=yes;ENGINE_FLAGS="$ENGINE_FLAGS -falign-loops=1",ac_align_loops=no)
679 : anton 1.193 CFLAGS="$CFLAGS_1"
680 :     AC_MSG_RESULT($ac_align_loops)
681 :    
682 :     # Try if GCC understands -falign-jumps=1
683 :     AC_MSG_CHECKING([if $CC understands -falign-jumps=1])
684 :     CFLAGS_1="$CFLAGS"
685 :     CFLAGS="$CFLAGS -falign-jumps=1"
686 : anton 1.194 AC_TRY_COMPILE(,,ac_align_jumps=yes;ENGINE_FLAGS="$ENGINE_FLAGS -falign-jumps=1",ac_align_jumps=no)
687 : anton 1.193 CFLAGS="$CFLAGS_1"
688 :     AC_MSG_RESULT($ac_align_jumps)
689 :    
690 : anton 1.271 if test -z "$LIBTOOL_CC"
691 :     then
692 :     LIBTOOL_CC="$CC"
693 :     # Try if GCC understands -Wimplicit-function-declaration
694 :     AC_MSG_CHECKING([if $CC understands -Wimplicit-function-declaration])
695 :     CFLAGS_1="$CFLAGS"
696 :     CFLAGS="$CFLAGS -Wimplicit-function-declaration"
697 :     AC_TRY_COMPILE(,,LIBTOOL_CC="$CC -Wimplicit-function-declaration",)
698 :     CFLAGS="$CFLAGS_1"
699 :     AC_MSG_RESULT($ac_align_jumps)
700 :     fi
701 :     AC_SUBST(LIBTOOL_CC)
702 :    
703 :    
704 :    
705 : anton 1.130 # Try if GCC understands __attribute__((unused))
706 :     AC_MSG_CHECKING([how to suppress 'unused variable' warnings])
707 :     AC_TRY_COMPILE(,[int __attribute__((unused)) foo;], MAYBE_UNUSED='__attribute__((unused))',)
708 :     AC_DEFINE_UNQUOTED(MAYBE_UNUSED,$MAYBE_UNUSED,[attribute for possibly unused variables])
709 :     AC_MSG_RESULT($MAYBE_UNUSED)
710 :    
711 : anton 1.289 # Try if GCC understands __thread
712 : pazsan 1.306 AC_CACHE_CHECK([whether gcc understands '__thread'], [ac_cv_thread],
713 :     [AC_TRY_COMPILE(,[extern __thread int foo;],
714 :     [ac_cv_thread=yes],
715 :     [ac_cv_thread=no])])
716 :     test x$ac_cv_thread = xyes && PER_THREAD='__thread'
717 : anton 1.289 AC_DEFINE_UNQUOTED(PER_THREAD,$PER_THREAD,[storage class for thread-local variables])
718 :    
719 : anton 1.195 #try if m4 understands -s
720 :     AC_MSG_CHECKING([how to invoke m4])
721 : anton 1.196 if m4 -s /dev/null >/dev/null 2>&1; then
722 : anton 1.195 M4="m4 -s"
723 :     else
724 :     M4=m4
725 :     fi
726 :     AC_SUBST(M4)
727 :     AC_MSG_RESULT($M4)
728 :    
729 : anton 1.215 #echo "machine='$machine'"
730 : anton 1.191
731 :     dnl AC_CHECK_PROG(asm_fs,asm.fs,arch/$machine/asm.fs,,$srcdir/arch/$machine)
732 : pazsan 1.275 if test x$EC_MODE = xfalse
733 :     then
734 : dvdkhlng 1.278 AS_IF([test -f $srcdir/arch/$machine/asm.fs],
735 :     [asm_fs=arch/$machine/asm.fs])
736 : pazsan 1.275 fi
737 : anton 1.61 AC_SUBST(asm_fs)
738 :    
739 : anton 1.191 dnl AC_CHECK_PROG(disasm_fs,disasm.fs,arch/$machine/disasm.fs,,$srcdir/arch/$machine)
740 : pazsan 1.275 if test x$EC_MODE = xfalse
741 :     then
742 : dvdkhlng 1.278 AS_IF([test -f $srcdir/arch/$machine/disasm.fs],
743 :     [disasm_fs=arch/$machine/disasm.fs])
744 : pazsan 1.275 fi
745 : anton 1.61 AC_SUBST(disasm_fs)
746 :    
747 : anton 1.116 AC_PATH_PROG(INSTALL_INFO,install-info,[echo '>>>>Please make info dir entry:'],$PATH:/sbin:/usr/sbin:/usr/local/sbin)
748 : anton 1.114
749 : pazsan 1.39 case "$host_os" in
750 : pazsan 1.157 *win32*)
751 :     # !!!FIXME!!! problems with cygwin and ';' as path separator
752 : anton 1.108 DIRSEP="\\\\"
753 : anton 1.127 PATHSEP=";"
754 : anton 1.142 #we want the builtins of command.com/cmd.exe and its
755 :     # handling of .com files.
756 :     #$COMSPEC contains the name of the Windows shell;
757 :     # the ./ is there, because the bash does not recognize
758 :     # absolute DOS filenames
759 :     DEFAULTSYSTEMPREFIX="./$COMSPEC /c "
760 : pazsan 1.39 ;;
761 : anton 1.97 *darwin*)
762 :     #Darwin uses some funny preprocessor by default; eliminate it:
763 : anton 1.127 AC_MSG_NOTICE([using -no-cpp-precomp on Darwin])
764 : anton 1.120 CFLAGS="$CFLAGS -no-cpp-precomp"
765 : anton 1.98 DIRSEP="/"
766 : anton 1.127 PATHSEP=":"
767 : anton 1.141 DEFAULTSYSTEMPREFIX=""
768 : anton 1.243 #the following magic value was suggested by
769 :     #http://mail.python.org/pipermail/pythonmac-sig/2005-October/015190.html
770 :     AC_DEFINE_UNQUOTED(MACOSX_DEPLOYMENT_TARGET,"10.3",[an environment variable value needed by libtool on some MacOS X versions])
771 : anton 1.98 ;;
772 : pazsan 1.246 *linux*)
773 :     DIRSEP="/"
774 :     PATHSEP=":"
775 :     DEFAULTSYSTEMPREFIX=""
776 : anton 1.250 if test -z "$LTDL_LIBRARY_PATH" -a "$wordsize" = 64; then
777 : pazsan 1.253 LTDL_LIBRARY_PATH=`/sbin/ldconfig -p |tail -n +2 |sed 's/^.* => //'|sed 's|/[[^/]]*$||'| grep 64 | sort -u | tr '\n' : | sed -e 's/:$//'`
778 : pazsan 1.246 fi
779 :     ;;
780 : pazsan 1.39 *)
781 : pazsan 1.88 DIRSEP="/"
782 : anton 1.127 PATHSEP=":"
783 : anton 1.141 DEFAULTSYSTEMPREFIX=""
784 : pazsan 1.39 ;;
785 :     esac
786 : pazsan 1.88 AC_SUBST(DIRSEP)
787 : pazsan 1.89 AC_DEFINE_UNQUOTED(DIRSEP,'$DIRSEP',[a directory separator character])
788 : anton 1.127 AC_SUBST(PATHSEP)
789 :     AC_DEFINE_UNQUOTED(PATHSEP,'$PATHSEP',[a path separator character])
790 : anton 1.141 AC_SUBST(DEFAULTSYSTEMPREFIX)
791 :     AC_DEFINE_UNQUOTED(DEFAULTSYSTEMPREFIX,"$DEFAULTSYSTEMPREFIX",[default for environment variable GFORTHSYSTEMPREFIX])
792 : anton 1.250 if test -n "$LTDL_LIBRARY_PATH"; then
793 :     AC_DEFINE_UNQUOTED(LTDL_LIBRARY_PATH,"$LTDL_LIBRARY_PATH",[Define LTDL_LIBRARY_PATH for 64 bit Linux])
794 :     fi
795 : pazsan 1.39
796 : anton 1.170 #work around SELinux brain damage (from Andrew Haley <12t8f3jakb74g2c@news.supernews.com>)
797 : anton 1.172 #This magic incantation seems to be completely undocumented.
798 :     AC_CHECK_PROG([MASSAGE_EXE],[chcon],[chcon -t unconfined_execmem_exec_t],[true])
799 : anton 1.170
800 : anton 1.1 dnl Now a little support for DOS/DJGCC
801 : pazsan 1.276 GFORTHFAST_EXE="$GFORTH_EXE"
802 :     GFORTHITC_EXE="$GFORTH_EXE"
803 :     GFORTHDITC_EXE="$GFORTH_EXE"
804 : pazsan 1.30 AC_SUBST(GFORTH_EXE)
805 : anton 1.48 AC_SUBST(GFORTHFAST_EXE)
806 : anton 1.83 AC_SUBST(GFORTHITC_EXE)
807 : pazsan 1.30 AC_SUBST(GFORTHDITC_EXE)
808 : anton 1.27
809 :     AC_SUBST(FORTHSIZES)
810 : anton 1.24
811 : anton 1.104 dnl if test "$PEEPHOLE" = "yes"
812 :     dnl then
813 :     dnl PEEPHOLEFLAG="true"
814 :     dnl AC_DEFINE(HAS_PEEPHOLE,,[Define if you want to use peephole optimization])
815 :     dnl else
816 :     dnl PEEPHOLEFLAG="false"
817 :     dnl fi
818 :     PEEPHOLEFLAG="true"
819 : pazsan 1.79 AC_SUBST(PEEPHOLEFLAG)
820 :    
821 : anton 1.1 dnl copy commands for systems that don't have links
822 : pazsan 1.29 AC_SUBST(LINK_KERNL)
823 :     LINK_KERNL=""
824 : anton 1.1
825 :     #if test $host_os=dos
826 :     #then
827 :     # echo Configuring for DOS!!!
828 :     # MAKE_EXE="coff2exe gforth"
829 : pazsan 1.29 # LINK_KERNL='$(CP) kernl32l.fi kernel.fi'
830 : anton 1.1 #fi
831 :    
832 :     dnl the following macro produces a warning with autoconf-2.1
833 :     AC_C_BIGENDIAN
834 : pazsan 1.23 AC_SUBST(KERNEL)
835 : anton 1.1 dnl ac_cv_c_bigendian is an undocumented variable of autoconf-2.1
836 : pazsan 1.256 if test $ac_cv_c_bigendian != no; then
837 : anton 1.1 bytesex=b
838 : pazsan 1.23 KERNEL="kernl16b.fi kernl16l.fi kernl32b.fi kernl32l.fi kernl64b.fi kernl64l.fi"
839 : anton 1.1 else
840 :     bytesex=l
841 : pazsan 1.23 KERNEL="kernl16l.fi kernl16b.fi kernl32l.fi kernl32b.fi kernl64l.fi kernl64b.fi"
842 : anton 1.1 fi
843 :    
844 : anton 1.91 #check how to do asm(".skip 16")
845 : anton 1.169 #echo "CFLAGS=$CFLAGS"
846 :     #echo "ac_link=$ac_link"
847 : anton 1.92 AC_MSG_CHECKING([if and how we can waste code space])
848 : dvdkhlng 1.279 if test -z "$skipcode" && test x$cross_compiling = xyes; then
849 :     # we cannot perform the AC_TRY_RUN check when cross-compiling.
850 :     skipcode=no
851 :     AC_MSG_RESULT([$skipcode, can't run checks since cross-compiling])
852 :     elif test -z "$skipcode"; then
853 : anton 1.148 skipcode=no
854 :     CFLAGS_1="$CFLAGS"
855 :     CFLAGS="$CFLAGS $ENGINE_FLAGS"
856 : anton 1.136 for i in ".skip 16" ".block 16" ".org .+16" ".=.+16" ".space 16"
857 :     do
858 : anton 1.91 AC_TRY_RUN(
859 : anton 1.136 [int foo(int,int,int);
860 : anton 1.91 main()
861 :     {
862 : anton 1.136 exit(foo(0,0,0)!=16);
863 : anton 1.91 }
864 : anton 1.136 int foo(int x, int y, int z)
865 : anton 1.91 {
866 : anton 1.136 static void *labels[]={&&label1, &&label2};
867 : anton 1.91 if (x) {
868 : anton 1.136 y++; /* workaround for http://gcc.gnu.org/bugzilla/show_bug.cgi?id=12108 */
869 : anton 1.91 label1:
870 : anton 1.148 asm("$i"); /* or ".space 16" or somesuch */
871 : anton 1.136 label2: ;
872 :     }
873 :     {
874 :     if (y) goto *labels[z]; /* workaround for gcc PR12108 */
875 :     return labels[1]-labels[0];
876 : anton 1.91 }
877 : anton 1.136 }]
878 : anton 1.92 ,skipcode=$i; break
879 :     ,,)
880 : anton 1.136 done
881 : anton 1.148 CFLAGS=$CFLAGS_1
882 : anton 1.136 fi
883 : anton 1.92 AC_MSG_RESULT($skipcode)
884 :     if test "$skipcode" = no
885 :     then
886 : anton 1.136 if test -z $no_dynamic_default; then
887 :     no_dynamic_default=1
888 :     AC_MSG_WARN(Disabling default dynamic native code generation)
889 :     fi
890 : dvdkhlng 1.280 AC_DEFINE_UNQUOTED(SKIP16,asm(""),statement for skipping 16 bytes)
891 : anton 1.92 else
892 :     AC_DEFINE_UNQUOTED(SKIP16,asm("$skipcode"),statement for skipping 16 bytes)
893 :     fi
894 : anton 1.91
895 : anton 1.174 AC_MSG_CHECKING([if and how we can do comments in asm statements])
896 :     #the point here is to get asm statements that look different to
897 :     #gcc's "optimizer"
898 :     if test -z "$asmcomment"; then
899 :     asmcomment=no
900 :     CFLAGS_1="$CFLAGS"
901 :     CFLAGS="$CFLAGS $ENGINE_FLAGS"
902 : anton 1.176 for i in '"# "' '"! "' '"; "'; do
903 : anton 1.174 AC_TRY_COMPILE(,[asm($i"fluffystunk");],asmcomment=$i; break,)
904 :     done
905 :     CFLAGS=$CFLAGS_1
906 :     fi
907 :     AC_MSG_RESULT($asmcomment)
908 :     if test "$asmcomment" != no
909 :     then
910 :     AC_DEFINE_UNQUOTED(ASMCOMMENT,$asmcomment,[assembler comment start string])
911 :     fi
912 :    
913 : anton 1.136 test "$no_dynamic_default" || no_dynamic_default=0
914 : anton 1.92 AC_DEFINE_UNQUOTED(NO_DYNAMIC_DEFAULT,$no_dynamic_default,default value for no_dynamic)
915 : anton 1.91
916 : anton 1.1 dnl Checks for programs.
917 :     AC_PROG_LN_S
918 : anton 1.95 AC_PROG_INSTALL
919 : pazsan 1.163 AC_CHECK_PROGS(TEXI2DVI,texi2dvi4a2ps texi2dvi)
920 : anton 1.1
921 : anton 1.288 dnl check for the presence of Emacs
922 :     AC_CHECK_PROGS(EMACS,emacs xemacs)
923 :     test -n "$EMACS" && gforth_elc=gforth.elc
924 :     AC_SUBST(gforth_elc)
925 :    
926 : anton 1.198 dnl MacOS X has a libtool that does something else
927 : pazsan 1.264 AC_CHECK_PROGS(GNU_LIBTOOL,"glibtool --tag=CC" libtool)
928 : anton 1.198
929 : anton 1.269 dnl Checks for library functions
930 :     dnl This check is just for making later checks link with libm.
931 :     dnl using sin here is no good idea since it is built-into gcc and typechecked
932 :     AC_CHECK_LIB(m,asin)
933 : pazsan 1.305 AC_CHECK_LIB(ltdl,lt_dlinit)
934 :     dnl ,LIB_SUFFIX=.la,LIB_SUFFIX=.so)
935 :     if test "x$ac_cv_lib_ltdl_lt_dlinit" = xyes; then
936 :     LIB_SUFFIX=.la
937 :     else
938 :     LIB_SUFFIX=.so
939 :     fi
940 : pazsan 1.304 AC_SUBST(LIB_SUFFIX)
941 : pazsan 1.295 AC_CHECK_LIB(rt,clock_gettime)
942 : anton 1.269
943 :     if test -n "$GNU_LIBTOOL" -a $ac_cv_lib_ltdl_lt_dlinit = yes; then
944 : anton 1.258 build_libcc_named=build-libcc-named
945 :     else
946 :     build_libcc_named=""
947 : anton 1.274 AC_MSG_WARN([No GNU_LIBTOOL found, skip pre-building libcc-based libraries])
948 : anton 1.258 fi
949 :     AC_SUBST(build_libcc_named)
950 :    
951 : anton 1.274
952 :     if test -z "$GNU_LIBTOOL"; then
953 :     AC_MSG_WARN([No GNU_LIBTOOL found, using "libtool" as name.])
954 :     AC_MSG_WARN([libcc.fs won't work until you have installed (GNU) libtool.])
955 :     GNU_LIBTOOL=libtool
956 :     fi
957 :    
958 : anton 1.235 #check for libffi 2.x
959 : anton 1.237 AC_CHECK_HEADER(ffi.h,FFI_H_NAME=ffi.h,)
960 :     if test -z "$FFI_H_NAME"; then
961 :     AC_CHECK_HEADER(ffi/ffi.h,FFI_H_NAME=ffi/ffi.h,)
962 :     fi
963 :     AC_SUBST(FFI_H_NAME)
964 : pazsan 1.286 AC_CHECK_LIB(ffi,ffi_call,LIBS="$LIBS")
965 : anton 1.241 if test -n "$FFI_H_NAME" -a $ac_cv_lib_ffi_ffi_call = yes
966 : anton 1.235 then
967 :     LIBFFIFLAG="true"
968 : anton 1.236 LIBCC_BUILD_SRC="$LIBCC_BUILD_SRC libffi.fs"
969 : anton 1.235 else
970 :     LIBFFIFLAG="false"
971 :     fi
972 :     #check for ffcall libraries
973 :     #unfortunately, these four calls are separated out into a library each.
974 : pazsan 1.286 AC_CHECK_LIB(avcall,__builtin_avcall,LIBS="$LIBS")
975 : pazsan 1.234 dnl AC_CHECK_LIB(callback,__vacall_r)
976 :     dnl AC_CHECK_LIB(vacall,vacall)
977 :     dnl AC_CHECK_LIB(trampoline,alloc_trampoline)
978 : anton 1.235 if test $ac_cv_lib_avcall___builtin_avcall = yes; then
979 :     FFCALLFLAG="true"
980 : anton 1.236 LIBCC_BUILD_SRC="$LIBCC_BUILD_SRC fflib.fs"
981 : anton 1.235 else
982 :     FFCALLFLAG="false"
983 :     fi
984 :     if test $LIBFFIFLAG = false -a $FFCALLFLAG = false; then
985 :     AC_MSG_WARN([The (old) lib.fs foreign function interface needs either libffi or the ffcall libraries])
986 :     fi
987 :     AC_SUBST(LIBFFIFLAG)
988 :     AC_SUBST(FFCALLFLAG)
989 : anton 1.236 AC_SUBST(LIBCC_BUILD_SRC)
990 : pazsan 1.32 if test "$host_os" != "nextstep3"
991 :     then
992 :     AC_FUNC_MEMCMP
993 :     fi
994 : pazsan 1.300 AC_REPLACE_FUNCS(memmove strtoul pow10 sincos strerror strsignal atanh)
995 : anton 1.97 AC_FUNC_FSEEKO
996 : pazsan 1.296 AC_CHECK_FUNCS(ftello dlopen sys_siglist getrusage nanosleep clock_gettime)
997 : anton 1.111 AC_CHECK_TYPES(stack_t,,,[#include <signal.h>])
998 : anton 1.19 AC_DECL_SYS_SIGLIST
999 : anton 1.138 AC_CHECK_FUNC(getopt_long,[true],[AC_LIBOBJ(getopt) AC_LIBOBJ(getopt1)])
1000 : anton 1.90 AC_CHECK_FUNCS(expm1 log1p)
1001 :     AC_REPLACE_FUNCS(rint ecvt)
1002 : anton 1.1 dnl No check for select, because our replacement is no good under
1003 :     dnl anything but DOS
1004 : pazsan 1.277 AC_CHECK_HEADERS(sys/mman.h fnmatch.h alloca.h wchar.h endian.h)
1005 : anton 1.63 AC_FUNC_FNMATCH
1006 : pazsan 1.87 test $ac_cv_func_fnmatch_works = yes || AC_LIBOBJ(fnmatch)
1007 : anton 1.255 AC_CHECK_FUNCS(mmap sysconf getpagesize wcwidth)
1008 : anton 1.34 AM_PATH_LISPDIR
1009 : anton 1.1
1010 : pazsan 1.183 kernel_fi=kernl${vwordsize}${bytesex}.fi
1011 : pazsan 1.178 include_fi=kernl${wordsize}${bytesex}${EC}.fi
1012 : pazsan 1.23 AC_SUBST(kernel_fi)
1013 : pazsan 1.178 AC_SUBST(include_fi)
1014 : jwilke 1.50
1015 : pazsan 1.292 # Find installed Gforth
1016 :     AC_MSG_CHECKING([for gforth])
1017 :     GFORTH="`cd / && which gforth 2>/dev/null`"
1018 :     #the "$srcdir" = "." test defends agains the "../" bug in gforth-0.6.2
1019 :     (cd / && $GFORTH -e bye >/dev/null 2>/dev/null && test "$srcdir" = ".") || GFORTH=""
1020 :     if test -z "$GFORTH"; then
1021 :     PREFORTH='echo "You need to configure with a gforth in \$PATH to build this part" && false'
1022 : pazsan 1.293 GFORTHKER='echo "You need to configure with a gforth in \$PATH to build this part" && false'
1023 : pazsan 1.292 kernel_anti_dependence=''
1024 :     else
1025 :     GFORTH_FI=`cd / && $GFORTH --debug -e bye 2>&1 |grep "Opened image file: "|sed 's/Opened image file: //'`
1026 :     PREFORTH="$GFORTH -i $GFORTH_FI" ;
1027 : pazsan 1.294 KERNLX_FI1=`echo $GFORTH_FI | sed -e s/lib/share/g -e s/gforth.fi/kernl*.fi/g`
1028 :     KERNLX_FI2=`echo $GFORTH_FI | sed -e s/gforth.fi/kernl*.fi/g`
1029 :     test -f $KERNLX_FI1 && KERNLX_FI=$KERNLX_FI1
1030 :     test -f $KERNLX_FI2 && KERNLX_FI=$KERNLX_FI2
1031 : pazsan 1.293 GFORTHKER="$GFORTH -i `echo $KERNLX_FI`" ;
1032 : pazsan 1.292 kernel_anti_dependence='$(kernel_fi)'
1033 :     fi
1034 :     AC_SUBST(PREFORTH)
1035 : pazsan 1.293 AC_SUBST(GFORTHKER)
1036 : pazsan 1.292 AC_SUBST(kernel_anti_dependence)
1037 :     AC_MSG_RESULT($PREFORTH)
1038 :    
1039 : anton 1.76 #this breaks bindists
1040 :     #dnl replace srource directory by absolute value
1041 :     #if test $srcdir = "."; then srcdir=`pwd`
1042 :     #fi
1043 : anton 1.8
1044 : anton 1.34 AC_SUBST(machine)
1045 : anton 1.95 AC_CONFIG_FILES([
1046 : anton 1.31 Makefile
1047 : pazsan 1.45 Makedist
1048 : anton 1.43 gforthmi
1049 : anton 1.80 vmgen
1050 : pazsan 1.79 machpc.fs
1051 : pazsan 1.159 envos.fs
1052 : anton 1.223 preforth
1053 : pazsan 1.303 libforth
1054 : pazsan 1.293 gforthker
1055 : anton 1.35 engine/Makefile
1056 : anton 1.188 engine/libcc.h
1057 : pazsan 1.161 doc/version.texi
1058 :     build-ec ])
1059 : anton 1.95 AC_CONFIG_COMMANDS([stamp-h],[[echo timestamp > stamp-h
1060 : anton 1.43 chmod +x gforthmi
1061 : anton 1.80 chmod +x vmgen
1062 : pazsan 1.162 chmod +x build-ec
1063 : anton 1.223 chmod +x preforth
1064 : pazsan 1.303 chmod +x libforth
1065 : pazsan 1.293 chmod +x gforthker
1066 : anton 1.188 test -d kernel||mkdir kernel
1067 : anton 1.258 if test $srcdir != "."; then ln -sf $srcdir/gforth.el .; fi
1068 : anton 1.188 $srcdir/mkinstalldirs include/gforth/$PACKAGE_VERSION
1069 : anton 1.262 $srcdir/mkinstalldirs arch/$machine
1070 :     ln -sf ../../../engine/config.h ../../../engine/libcc.h include/gforth/$PACKAGE_VERSION]],
1071 :     [PACKAGE_VERSION=$PACKAGE_VERSION
1072 :     machine=$machine])
1073 : anton 1.95 AC_OUTPUT

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