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

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