[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 1.73 #Copyright (C) 1995,1996,1997,1998,2000 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 :     #as published by the Free Software Foundation; either version 2
10 :     #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 :     #along with this program; if not, write to the Free Software
19 : anton 1.74 #Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA.
20 : anton 1.20
21 : anton 1.31 AC_INIT(engine/engine.c)
22 : anton 1.34
23 :     dnl We use some automake macros here,
24 :     dnl but don't use automake for creating Makefile.in
25 : anton 1.81 AM_INIT_AUTOMAKE(gforth,0.5.9-20010501)
26 : anton 1.47 #snapshots have numbers major.minor.release-YYYYMMDD
27 :     #note that lexicographic ordering bust be heeded.
28 :     #I.e., 0.4.1-YYYYMMDD must not exist before 0.4.1!
29 : anton 1.34 AM_CONFIG_HEADER(engine/config.h)
30 : anton 1.57 #AM_CYGWIN32
31 : anton 1.14
32 : anton 1.1 AC_ARG_ENABLE(force-reg,
33 :     [ --enable-force-reg Use explicit register declarations if they appear in
34 :     the machine.h file. This can cause a good speedup,
35 :     but also incorrect code with some gcc versions on
36 :     some processors (default disabled).],
37 :     AC_DEFINE(FORCE_REG))
38 :    
39 : pazsan 1.9 AC_ARG_WITH(debug,
40 : anton 1.10 [ --with-debug specifies option -g to compile with debug info (default)
41 : anton 1.27 --without-debug omits the -g switch and creates smaller images on
42 :     machines where "strip" has problems with gcc style
43 :     debugging informations.],
44 : pazsan 1.9 if test "$withval" = "yes"; then DEBUGFLAG=-g; fi)
45 :    
46 : pazsan 1.79 PEEPHOLE="yes"
47 :     AC_ARG_WITH(peephole,
48 :     [ --with-peephole Enable peephole optimization (default)
49 :     --without-peephole disables peephole optimization. Creates smaller,
50 :     but slower images.],
51 :     PEEPHOLE="$withval")
52 : anton 1.82
53 :     #currently we force direct threading this way. Eventually we should
54 :     #setup in the arch and engine files right
55 :     AC_DEFINE(DIRECT_THREADED)
56 : pazsan 1.79
57 : anton 1.16 CFLAGS=$CFLAGS
58 :    
59 : pazsan 1.15 AC_PROG_CC
60 :    
61 :     if test "$GCC" = "yes"
62 :     then
63 :     echo "Fine, gcc is available"
64 :     else
65 :     cat <<'EOF'
66 : anton 1.16 Gforth requires GCC-2.0 or higher (it uses GNU C extensions).
67 :     It does not work with other C compilers. Please install the GNU C compiler,
68 :     and try again (or search for a binary distribution for your platform).
69 : pazsan 1.15 EOF
70 :     exit 1
71 :     fi
72 : pazsan 1.9
73 : pazsan 1.15 AC_SUBST(CC)
74 : pazsan 1.9 AC_SUBST(DEBUGFLAG)
75 : anton 1.7
76 : anton 1.10 dnl the following macro produces a warning with autoconf-2.1
77 :     AC_CHECK_SIZEOF(char *)
78 :     case "$ac_cv_sizeof_char_p" in
79 :     2)
80 :     wordsize=16
81 :     ;;
82 :     4)
83 :     wordsize=32
84 :     ;;
85 :     8)
86 :     wordsize=64
87 :     ;;
88 :     esac
89 : pazsan 1.9
90 : pazsan 1.40 AC_CHECK_SIZEOF(char)
91 : pazsan 1.23 AC_CHECK_SIZEOF(short)
92 :     AC_CHECK_SIZEOF(int)
93 :     AC_CHECK_SIZEOF(long)
94 :     AC_CHECK_SIZEOF(long long)
95 :    
96 :     ac_cv_int_type_cell=none
97 :     case "$ac_cv_sizeof_char_p" in
98 : pazsan 1.40 $ac_cv_sizeof_int)
99 :     ac_cv_int_type_cell=int
100 :     ;;
101 : pazsan 1.23 $ac_cv_sizeof_short)
102 :     ac_cv_int_type_cell=short
103 :     ;;
104 : pazsan 1.40 $ac_cv_sizeof_char)
105 :     ac_cv_int_type_cell=char
106 : pazsan 1.23 ;;
107 :     $ac_cv_sizeof_long)
108 :     ac_cv_int_type_cell=long
109 :     ;;
110 :     $ac_cv_sizeof_long_long)
111 :     ac_cv_int_type_cell="long long"
112 :     ;;
113 :     esac
114 : pazsan 1.22 if test "$ac_cv_int_type_cell" != int; then
115 : anton 1.20 echo "So, sizeof(pointer)!=sizeof(int); looks like a DOS C compiler to me."
116 :     echo "Since you don't have a proper C on this machine, that's one more reason"
117 :     echo "to use Forth;-)"
118 :     fi
119 : pazsan 1.23 AC_DEFINE_UNQUOTED(CELL_TYPE,$ac_cv_int_type_cell)
120 :    
121 :     ac_cv_int_type_double_cell=none
122 :     case `expr 2 '*' "$ac_cv_sizeof_char_p"` in
123 :     $ac_cv_sizeof_short)
124 :     ac_cv_int_type_double_cell=short
125 :     ;;
126 :     $ac_cv_sizeof_int)
127 :     ac_cv_int_type_double_cell=int
128 :     ;;
129 :     $ac_cv_sizeof_long)
130 :     ac_cv_int_type_double_cell=long
131 :     ;;
132 :     $ac_cv_sizeof_long_long)
133 :     ac_cv_int_type_double_cell="long long"
134 :     ;;
135 :     esac
136 : anton 1.21 if test "$ac_cv_int_type_double_cell" = none; then
137 : anton 1.20 echo "Emulating double-cell arithmetic. This may be slow."
138 :     echo "If you find this unacceptable, ask the GCC maintainers to provide proper"
139 : pazsan 1.23 echo 'long longs for your machine (the GCC manual states that they \"are twice as'
140 :     echo "long as \`long int\'\")."
141 : anton 1.20 LIBOBJS="$LIBOBJS dblsub.o"
142 :     AC_DEFINE(BUGGY_LONG_LONG)
143 : pazsan 1.23 else
144 :     AC_DEFINE_UNQUOTED(DOUBLE_CELL_TYPE,$ac_cv_int_type_double_cell)
145 : anton 1.20 fi
146 :    
147 : jwilke 1.50 AC_MSG_CHECKING([whether the linker accepts -export-dynamic])
148 :     OLDLDFLAGS=$LDFLAGS
149 :     LDFLAGS="$LDFLAGS -export-dynamic"
150 : anton 1.69 dnl AC_TRY_LINK gives false positive on rs6000-ibm-aix4.2.1.0
151 :     dnl AC_TRY_LINK(,,ac_export_dynamic=yes,ac_export_dynamic=no)
152 :     AC_TRY_RUN(main(){exit(0);},ac_export_dynamic=yes,ac_export_dynamic=no,ac_export_dynamic=no)
153 : jwilke 1.50 test $ac_export_dynamic = yes|| LDFLAGS=$OLDLDFLAGS
154 :     AC_MSG_RESULT($ac_export_dynamic)
155 :    
156 : anton 1.1 #terminology is a bit unusual here: The host is the system on which
157 :     #gforth will run; the system on which configure will run is the `build'
158 :     AC_CANONICAL_HOST
159 :     case "$host_cpu" in
160 :     hppa*)
161 : anton 1.34 machine=hppa
162 : anton 1.46 $srcdir/mkinstalldirs arch/hppa
163 : anton 1.38 LIBOBJS="$LIBOBJS ../arch/hppa/cache.o"
164 : jwilke 1.50 LDFLAGS="$LDFLAGS -Xlinker -N"
165 : anton 1.47 LIBS="$LIBS -L/lib/pa1.1/"
166 : anton 1.31 if test "${enable_direct_threaded+set}" = ""
167 :     then
168 :     AC_DEFINE(DIRECT_THREADED)
169 :     fi
170 : anton 1.1 ;;
171 :     sparc*)
172 : anton 1.34 machine=sparc
173 : anton 1.1 ;;
174 : anton 1.31 i386)
175 : anton 1.34 machine=386
176 : anton 1.16 CFLAGS="$CFLAGS -fomit-frame-pointer -fforce-addr -fforce-mem"
177 : anton 1.31 if test "${enable_direct_threaded+set}" = "" \
178 :     -a "${enable_indirect_threaded+set}" = ""
179 :     then
180 : anton 1.34 echo "Using direct threaded code on 386"
181 : anton 1.31 AC_DEFINE(DIRECT_THREADED)
182 :     fi
183 :     ;;
184 :     i486)
185 : anton 1.34 machine=386
186 : anton 1.31 CFLAGS="$CFLAGS -fomit-frame-pointer -fforce-addr -fforce-mem -m486"
187 :     if test "${enable_direct_threaded+set}" = "" \
188 :     -a "${enable_indirect_threaded+set}" = ""
189 :     then
190 : anton 1.34 echo "Using direct threaded code on 486"
191 : anton 1.31 AC_DEFINE(DIRECT_THREADED)
192 :     fi
193 :     ;;
194 : anton 1.77 i*86)
195 : anton 1.34 machine=386
196 : anton 1.55 CFLAGS="$CFLAGS -fomit-frame-pointer -fforce-addr -fforce-mem"
197 : pazsan 1.56 CFLAGS_1="$CFLAGS"
198 :     CFLAGS="$CFLAGS -mpentium"
199 :     AC_TRY_COMPILE(,,,CFLAGS="$CFLAGS_1 -m486")
200 : anton 1.31 if test "${enable_direct_threaded+set}" = "" \
201 :     -a "${enable_indirect_threaded+set}" = ""
202 :     then
203 : anton 1.77 echo "Using indirect threaded code on IA32 CPUs with split L1 caches"
204 : anton 1.31 AC_DEFINE(INDIRECT_THREADED)
205 :     fi
206 : anton 1.1 ;;
207 : anton 1.72 ia64*)
208 :     machine=ia64
209 :     ;;
210 : pazsan 1.26 m68k)
211 : anton 1.34 machine=m68k
212 : pazsan 1.32 CFLAGS="$CFLAGS -fomit-frame-pointer"
213 :     if test "$host_os" = "nextstep3"
214 :     then
215 :     LIBOBJS="$LIBOBJS termios.o"
216 :     fi
217 : pazsan 1.26 ;;
218 : anton 1.1 mips*)
219 : anton 1.34 machine=mips
220 : anton 1.7 #link text and data segment into the same 256M region!
221 : anton 1.49 AC_MSG_CHECKING([whether the linker accepts -T])
222 :     OLDLDFLAGS=$LDFLAGS
223 :     LDFLAGS="$LDFLAGS -Xlinker -T -Xlinker 10000000"
224 :     AC_TRY_LINK(,,ac_link_mips_t=yes,ac_link_mips_t=no)
225 :     test $ac_link_mips_t = yes||LDFLAGS=$OLDLDFLAGS
226 :     AC_MSG_RESULT($ac_link_mips_t)
227 :     test $ac_link_mips_t = yes||(echo cannot link text and data into same 256M region, using indirect threading; AC_DEFINE(INDIRECT_THREADED))
228 : anton 1.37 AC_MSG_CHECKING([whether the linker accepts -D])
229 :     OLDLDFLAGS=$LDFLAGS
230 : anton 1.49 LDFLAGS="$LDFLAGS -Xlinker -D -Xlinker 10400000"
231 : anton 1.37 AC_TRY_LINK(,,ac_link_mips_d=yes,ac_link_mips_d=no)
232 : anton 1.49 test $ac_link_mips_d = yes||LDFLAGS=$OLDLDFLAGS
233 : anton 1.37 AC_MSG_RESULT($ac_link_mips_d)
234 : anton 1.1 ;;
235 : pazsan 1.9 alpha*)
236 : anton 1.34 machine=alpha
237 : anton 1.58 #full IEEE FP support for more uniformity across platforms:
238 :     CFLAGS="$CFLAGS -mieee"
239 : pazsan 1.9 ;;
240 : anton 1.69 power*|rs6000)
241 : anton 1.34 machine=power
242 : anton 1.46 $srcdir/mkinstalldirs arch/power
243 : anton 1.36 AC_CHECK_FUNC(_sync_cache_range,true,LIBOBJS="$LIBOBJS ../arch/power/_sync_cache_range.o")
244 : anton 1.64 #link text segment into first 32MB
245 :     AC_MSG_CHECKING([whether the linker accepts --script=arch/power/elf32ppc.x])
246 :     OLDLDFLAGS=$LDFLAGS
247 :     #the -L../$srcdir helps when $srcdir is relative
248 :     LDFLAGS="$LDFLAGS -L$srcdir -L../$srcdir -Xlinker --script=$srcdir/arch/power/elf32ppc.x"
249 :     AC_TRY_LINK(,,ac_link_script=yes,ac_link_script=no)
250 :     test $ac_link_script = yes||LDFLAGS=$OLDLDFLAGS
251 :     AC_MSG_RESULT($ac_link_script)
252 : anton 1.65 AC_MSG_CHECKING([whether the code is in the first 32MB])
253 :     AC_TRY_RUN([main(){label: exit(((unsigned long)&&label)>32000000UL);}],ac_code_under_32=yes,ac_code_under_32=no,ac_code_under_32=no)
254 :     AC_MSG_RESULT($ac_code_under_32)
255 : anton 1.70 test $ac_code_under_32 = yes||(AC_MSG_WARN([Using indirect threading]); AC_DEFINE(INDIRECT_THREADED))
256 : anton 1.31 ;;
257 : anton 1.1 *)
258 :     echo "No direct threading support for $host_cpu, using indirect threading."
259 : anton 1.20 echo "Using a generic machine description."
260 : anton 1.1 echo "I'll assume that C floats and doubles are represented by IEEE single and"
261 :     echo "double numbers. If this is not so, SF@ etc. will not work correctly."
262 : anton 1.16 echo "FLUSH-ICACHE will do nothing, so END-CODE may not work properly!"
263 : anton 1.34 machine=generic
264 : anton 1.1 esac
265 : anton 1.10 AC_SUBST(host)
266 : pazsan 1.15 AC_SUBST(ENGINE_FLAGS)
267 : anton 1.1
268 : anton 1.66 AC_CHECK_PROG(asm_fs,asm.fs,arch/$machine/asm.fs,,$srcdir/arch/$machine)
269 : anton 1.61 AC_SUBST(asm_fs)
270 :    
271 : anton 1.66 AC_CHECK_PROG(disasm_fs,disasm.fs,arch/$machine/disasm.fs,,$srcdir/arch/$machine)
272 : anton 1.61 AC_SUBST(disasm_fs)
273 :    
274 : pazsan 1.39 case "$host_os" in
275 :     *win32)
276 :     EXE=".exe"
277 :     ;;
278 :     *)
279 :     EXE=""
280 :     ;;
281 :     esac
282 :     AC_SUBST(EXE)
283 :    
284 : anton 1.1 dnl Now a little support for DOS/DJGCC
285 : pazsan 1.30 AC_SUBST(GFORTH_EXE)
286 :     GFORTH_EXE=""
287 : anton 1.48 AC_SUBST(GFORTHFAST_EXE)
288 :     GFORTHFAST_EXE=""
289 : pazsan 1.30 AC_SUBST(GFORTHDITC_EXE)
290 :     GFORTHDITC_EXE=""
291 : anton 1.1
292 : anton 1.24 PATHSEP=":"
293 :     AC_SUBST(PATHSEP)
294 :     AC_DEFINE_UNQUOTED(PATHSEP,'$PATHSEP')
295 : anton 1.27
296 :     AC_SUBST(FORTHSIZES)
297 : anton 1.24
298 : pazsan 1.79 if test "$PEEPHOLE" = "yes"
299 :     then
300 :     PEEPHOLEFLAG="true"
301 :     AC_DEFINE(HAS_PEEPHOLE)
302 :     else
303 :     PEEPHOLEFLAG="false"
304 :     fi
305 :     AC_SUBST(PEEPHOLEFLAG)
306 :    
307 : anton 1.1 dnl copy commands for systems that don't have links
308 : pazsan 1.29 AC_SUBST(LINK_KERNL)
309 :     LINK_KERNL=""
310 : anton 1.1
311 :     #if test $host_os=dos
312 :     #then
313 :     # echo Configuring for DOS!!!
314 :     # MAKE_EXE="coff2exe gforth"
315 : pazsan 1.29 # LINK_KERNL='$(CP) kernl32l.fi kernel.fi'
316 : anton 1.1 #fi
317 :    
318 :     dnl the following macro produces a warning with autoconf-2.1
319 :     AC_C_BIGENDIAN
320 : pazsan 1.23 AC_SUBST(KERNEL)
321 : anton 1.1 dnl ac_cv_c_bigendian is an undocumented variable of autoconf-2.1
322 :     if test $ac_cv_c_bigendian = yes; then
323 :     bytesex=b
324 : pazsan 1.23 KERNEL="kernl16b.fi kernl16l.fi kernl32b.fi kernl32l.fi kernl64b.fi kernl64l.fi"
325 : anton 1.1 else
326 :     bytesex=l
327 : pazsan 1.23 KERNEL="kernl16l.fi kernl16b.fi kernl32l.fi kernl32b.fi kernl64l.fi kernl64b.fi"
328 : anton 1.1 fi
329 :    
330 :     dnl Checks for programs.
331 :     AC_PROG_LN_S
332 : anton 1.34 dnl AM_PROG_INSTALL #performed by AM_INIT_AUTOMAKE
333 : anton 1.1
334 :     dnl Checks for library functions
335 : anton 1.2 dnl This check is just for making later checks link with libm.
336 :     dnl using sin here is no good idea since it is built-into gcc and typechecked
337 :     AC_CHECK_LIB(m,asin)
338 : anton 1.31 AC_CHECK_LIB(dl,dlopen)
339 : pazsan 1.32 if test "$host_os" != "nextstep3"
340 :     then
341 :     AC_FUNC_MEMCMP
342 :     fi
343 : pazsan 1.25 AC_REPLACE_FUNCS(memmove strtoul pow10 strerror strsignal atanh)
344 : anton 1.71 AC_CHECK_FUNCS(dlopen sys_siglist getrusage)
345 : anton 1.19 AC_DECL_SYS_SIGLIST
346 : anton 1.34 AC_CHECK_FUNC(getopt_long,true,LIBOBJS="$LIBOBJS getopt.o getopt1.o")
347 : anton 1.11 AC_CHECK_FUNCS(rint expm1 log1p)
348 : anton 1.1 AC_REPLACE_FUNCS(ecvt)
349 :     dnl No check for select, because our replacement is no good under
350 :     dnl anything but DOS
351 : anton 1.62 AC_CHECK_HEADERS(sys/mman.h fnmatch.h)
352 : anton 1.63 AC_FUNC_FNMATCH
353 :     test $ac_cv_func_fnmatch_works = yes || LIBOBJS="$LIBOBJS fnmatch.o"
354 : anton 1.28 AC_CHECK_FUNCS(mmap sysconf getpagesize)
355 : anton 1.34 AM_PATH_LISPDIR
356 : anton 1.1
357 : pazsan 1.23 kernel_fi=kernl${wordsize}${bytesex}.fi
358 :     AC_SUBST(kernel_fi)
359 : jwilke 1.50
360 : anton 1.76 #this breaks bindists
361 :     #dnl replace srource directory by absolute value
362 :     #if test $srcdir = "."; then srcdir=`pwd`
363 :     #fi
364 : anton 1.8
365 : anton 1.34 AC_SUBST(machine)
366 :     dnl AC_LINK_FILES(arch/$machine,arch/machine) #no longer needed
367 : anton 1.31 AC_OUTPUT([
368 :     Makefile
369 : pazsan 1.45 Makedist
370 : anton 1.43 gforthmi
371 : anton 1.80 vmgen
372 : pazsan 1.79 machpc.fs
373 : anton 1.35 engine/Makefile
374 : anton 1.44 doc/version.texi ],
375 :     echo timestamp > stamp-h
376 : anton 1.43 chmod +x gforthmi
377 : anton 1.80 chmod +x vmgen
378 : anton 1.44 test -d kernel||mkdir kernel)
379 :    

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