1: dnl Process this file with autoconf to produce a configure script.
2:
3: #Copyright (C) 1995,1996,1997,1998,2000,2003,2004 Free Software Foundation, Inc.
4:
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: #Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA.
20:
21:
22: dnl We use some automake macros here,
23: dnl but don't use automake for creating Makefile.in
24: AC_INIT([gforth],[0.6.2-20030910],[https://savannah.gnu.org/bugs/?func=addbug&group=gforth])
25: AC_PREREQ(2.54)
26: #snapshots have numbers major.minor.release-YYYYMMDD
27: #note that lexicographic ordering must be heeded.
28: #I.e., 0.4.1-YYYYMMDD must not exist before 0.4.1!
29: UPDATED="September 10, 2003"
30: AC_SUBST(UPDATED)
31: AC_CONFIG_HEADERS(engine/config.h)
32:
33: #suppress the "-g -O2" default
34: test "$CFLAGS" || CFLAGS=-O2
35:
36: AC_ARG_ENABLE(force-reg,
37: [ --enable-force-reg Use explicit register declarations if they appear in
38: the machine.h file. This can cause a good speedup,
39: but also incorrect code with some gcc versions on
40: some processors (default disabled).],
41: AC_DEFINE(FORCE_REG,,[Define if you want to use explicit register declarations for better performance or for more convenient CODE words (does not work with all GCC versions on all machines)]))
42: AC_ARG_ENABLE(force-ll,
43: [ --enable-force-ll Use explicit long long declarations if they appear in
44: the machine.h file. This can cause a good speedup,
45: but also incorrect code with some gcc versions on
46: some processors (default disabled).],
47: AC_DEFINE(FORCE_LL,,[Define if you want to use explicit long long declarations for better performance (does not work with all GCC versions on all machines)]))
48: AC_SUBST(PROFEXES)
49: AC_SUBST(PROFOBJS)
50: AC_ARG_ENABLE(prof,
51: [ --enable-prof Build gforth-prof, which outputs frequently occuring
52: sequences of primitives.],
53: PROFEXES="gforth-prof\$(EXE)"; PROFOBJS="engine-prof.o main-prof.o profile.o")
54:
55: AC_ARG_WITH(debug,
56: [ --with-debug specifies option -g to compile with debug info
57: --without-debug omits the -g switch and creates smaller images on
58: machines where "strip" has problems with gcc style
59: debugging informations.],
60: if test "$withval" = "yes"; then DEBUGFLAG=-g; fi)
61:
62: dnl PEEPHOLE="yes"
63: dnl AC_ARG_WITH(peephole,
64: dnl [ --with-peephole Enable peephole optimization (default)
65: dnl --without-peephole disables peephole optimization. Creates smaller,
66: dnl but slower images.],
67: dnl PEEPHOLE="$withval")
68:
69: #variables mentioned in INSTALL
70: AC_ARG_VAR(CC, [The C compiler (must support GNU C 2.x); gcc-2.95 recommended.])
71: AC_ARG_VAR(FORTHSIZES, [Gforth command line options for the default stack and dictionary sizes (see INSTALL).])
72: AC_ARG_VAR(ac_cv_sizeof_char_p, [sizeof(char *)])
73: AC_ARG_VAR(ac_cv_sizeof_char, [sizeof(char)])
74: AC_ARG_VAR(ac_cv_sizeof_short, [sizeof(short)])
75: AC_ARG_VAR(ac_cv_sizeof_int, [sizeof(int)])
76: AC_ARG_VAR(ac_cv_sizeof_long, [sizeof(long)])
77: AC_ARG_VAR(ac_cv_sizeof_long_long, [sizeof(long long)])
78: AC_ARG_VAR(ac_cv_sizeof_intptr_t, [sizeof(intptr_t)])
79: AC_ARG_VAR(ac_cv_sizeof_int128_t, [sizeof(int128_t)])
80: AC_ARG_VAR(ac_cv_sizeof_uint128_t, [sizeof(uint128_t)])
81: AC_ARG_VAR(ac_cv_c_bigendian, [Is the target big-endian ("yes" or "no")?])
82: AC_ARG_VAR(no_dynamic_default, [run gforth with --dynamic (0) or --no-dynamic (1) by default])
83: AC_ARG_VAR(skip_code, [assembly code for skipping 16 bytes of code])
84:
85: #set up feature test macros, so the tests get them right:
86: # turn on all POSIX, SUSv3, and GNU features if available
87: AC_GNU_SOURCE
88: dnl AC_DEFINE_UNQUOTED([_GNU_SOURCE],1,[feature test macro])
89:
90: dnl Don't define _POSIX_SOURCE etc. because some OSs (in particular
91: dnl MacOSX) disable some features then (MacOSX checks for _POSIX_SOURCE,
92: dnl but not for _XOPEN_SOURCE)
93: dnl AC_DEFINE_UNQUOTED([_POSIX_SOURCE],1,[feature test macro])
94: dnl AC_DEFINE_UNQUOTED([_POSIX_C_SOURCE],199506L,[feature test macro])
95: dnl AC_DEFINE_UNQUOTED([_XOPEN_SOURCE],600,[feature test macro])
96: # turn on large file support with 64-bit off_t where available
97: AC_SYS_LARGEFILE
98: dnl AC_DEFINE_UNQUOTED([_LARGEFILE_SOURCE],1,[feature test macro])
99: dnl AC_DEFINE_UNQUOTED([_FILE_OFFSET_BITS],64,[feature test macro])
100:
101: #currently we force direct threading this way. Eventually we should
102: #setup in the arch and engine files right
103:
104: AC_PROG_CC
105:
106: test "$GCC" = "yes" || AC_MSG_ERROR(Gforth uses GNU C extensions and requires GCC 2.0 or higher)
107:
108: AC_SUBST(CC)
109: AC_SUBST(DEBUGFLAG)
110:
111: AC_MSG_CHECKING(make type)
112: make_type=`make -v 2>&1|grep 'ake version'|sed 's/ version .*//'`
113:
114: GNUMAKE='#'
115: test "$make_type" = "GNU Make" && GNUMAKE=''
116:
117: AC_MSG_RESULT($make_type)
118:
119: AC_SUBST(GNUMAKE)
120:
121: AC_MSG_CHECKING([whether the linker accepts -export-dynamic])
122: OLDLDFLAGS=$LDFLAGS
123: LDFLAGS="$LDFLAGS -export-dynamic"
124: dnl AC_TRY_LINK gives false positive on rs6000-ibm-aix4.2.1.0
125: dnl AC_TRY_LINK(,,ac_export_dynamic=yes,ac_export_dynamic=no)
126: AC_TRY_RUN(main(){exit(0);},ac_export_dynamic=yes,ac_export_dynamic=no,ac_export_dynamic=no)
127: test $ac_export_dynamic = yes|| LDFLAGS=$OLDLDFLAGS
128: AC_MSG_RESULT($ac_export_dynamic)
129:
130: #terminology is a bit unusual here: The host is the system on which
131: #gforth will run; the system on which configure will run is the `build'
132: AC_CANONICAL_HOST
133: case "$host_cpu" in
134: arm*)
135: machine=arm
136: CFLAGS="$CFLAGS -fomit-frame-pointer"
137: if test -z $no_dynamic_default; then
138: no_dynamic_default=1
139: AC_MSG_WARN([No I-cache flush code known, disabling dynamic native code generation])
140: fi
141: ;;
142: hppa*)
143: machine=hppa
144: $srcdir/mkinstalldirs arch/hppa
145: AC_LIBOBJ(../arch/hppa/cache)
146: #-N needed for --dynamic <M4U3b.3790$9d.317@news.cpqcorp.net>
147: LDFLAGS="$LDFLAGS -Xlinker -N"
148: LIBS="$LIBS -L/lib/pa1.1/"
149: ;;
150: sparc*)
151: machine=sparc
152: ;;
153: i386)
154: machine=386
155: CFLAGS="$CFLAGS -fomit-frame-pointer -fforce-addr -fforce-mem"
156: ;;
157: i486)
158: machine=386
159: CFLAGS="$CFLAGS -fomit-frame-pointer -fforce-addr -fforce-mem -m486"
160: ;;
161: i*86)
162: machine=386
163: CFLAGS="$CFLAGS -fomit-frame-pointer -fforce-addr -fforce-mem"
164: CFLAGS_1="$CFLAGS"
165: CFLAGS="$CFLAGS -march=pentium"
166: AC_TRY_COMPILE(,,,CFLAGS="$CFLAGS_1 -m486")
167: ;;
168: x86_64)
169: machine=amd64
170: ac_includes_default="$ac_includes_default
171: #include \"arch/generic/128bit.h\""
172: ;;
173: ia64*)
174: machine=ia64
175: AC_LIBOBJ(../arch/ia64/flush_icache_block)
176: test "$skipcode" || skipcode="nop.i 0"
177: #".skip 16" passes the test below,
178: # but gives an assembler error in engine
179: ;;
180: m68k)
181: machine=m68k
182: CFLAGS="$CFLAGS -fomit-frame-pointer"
183: if test "$host_os" = "nextstep3"
184: then
185: AC_LIBOBJ(termios)
186: fi
187: ;;
188: mips*)
189: machine=mips
190: #dynamic native code has the following problems on MIPS:
191: #
192: #1) J/JAL seems relocatable, but is are only
193: #relocatable within a 256MB-segment. While we try to
194: #get the linker to arrange this, there is no guarantee
195: #that this will succeed (and if the user uses a lot of
196: #memory, it is likely to fail).
197: #
198: #2) The way we generate dynamic native code may
199: #violate MIPS architectural restrictions (in
200: #particular, the delay slots of LW, MFLO, etc.)
201: #
202: #Therefore we disable dynamic native code by default:
203: if test -z $no_dynamic_default; then
204: no_dynamic_default=1
205: AC_MSG_WARN([Disabling default dynamic native code generation (relocation and delay slot issues)])
206: fi
207: ;;
208: alpha*)
209: machine=alpha
210: #full IEEE FP support for more uniformity across platforms:
211: CFLAGS="$CFLAGS -mieee"
212: ;;
213: power*|rs6000)
214: machine=power
215: $srcdir/mkinstalldirs arch/power
216: AC_CHECK_FUNC(_sync_cache_range,[true],[AC_LIBOBJ(../arch/power/_sync_cache_range)])
217: #long long is broken on (at least) gcc-2.95.* for PPC
218: test x$ac_cv_sizeof_long_long = x && ac_cv_sizeof_long_long=0
219: ;;
220: *)
221: AC_MSG_WARN([Using a generic machine description])
222: AC_MSG_WARN([Assuming C floats and doubles are IEEE floats and doubles (for SF@ DF@ SF! DF!)])
223: AC_MSG_WARN([FLUSH-ICACHE will do nothing, so END-CODE may not work properly!])
224: machine=generic
225: #I-cache flushing would be needed for dynamic code generation
226: if test -z $no_dynamic_default; then
227: no_dynamic_default=1
228: AC_MSG_WARN([No I-cache flush code known, disabling dynamic native code generation])
229: fi
230: esac
231: AC_SUBST(host)
232:
233: dnl the following macro produces a warning with autoconf-2.1
234: AC_CHECK_SIZEOF(char *)
235: case "$ac_cv_sizeof_char_p" in
236: 2)
237: wordsize=16
238: ;;
239: 4)
240: wordsize=32
241: ;;
242: 8)
243: wordsize=64
244: ;;
245: esac
246:
247: AC_CHECK_SIZEOF(char)
248: AC_CHECK_SIZEOF(short)
249: AC_CHECK_SIZEOF(int)
250: AC_CHECK_SIZEOF(long)
251: AC_CHECK_SIZEOF(long long)
252: AC_CHECK_SIZEOF(intptr_t)
253: AC_CHECK_SIZEOF(int128_t)
254: AC_CHECK_SIZEOF(uint128_t)
255:
256: AC_MSG_CHECKING([for a C type for cells])
257: ac_cv_int_type_cell=none
258: case "$ac_cv_sizeof_char_p" in
259: $ac_cv_sizeof_int)
260: ac_cv_int_type_cell=int
261: ;;
262: $ac_cv_sizeof_short)
263: ac_cv_int_type_cell=short
264: ;;
265: $ac_cv_sizeof_char)
266: ac_cv_int_type_cell=char
267: ;;
268: $ac_cv_sizeof_long)
269: ac_cv_int_type_cell=long
270: ;;
271: $ac_cv_sizeof_long_long)
272: ac_cv_int_type_cell="long long"
273: ;;
274: $ac_cv_sizeof_intptr_t)
275: ac_cv_int_type_cell="intptr_t"
276: ;;
277: $ac_cv_sizeof_int128_t)
278: ac_cv_int_type_cell="int128_t"
279: ;;
280: esac
281: AC_MSG_RESULT($ac_cv_int_type_cell)
282: AC_DEFINE_UNQUOTED(CELL_TYPE,$ac_cv_int_type_cell,[an integer type that is as long as a pointer])
283:
284: AC_MSG_CHECKING([for a C type for double-cells])
285: ac_cv_int_type_double_cell=none
286: case `expr 2 '*' "$ac_cv_sizeof_char_p"` in
287: $ac_cv_sizeof_short)
288: ac_cv_int_type_double_cell=short
289: ;;
290: $ac_cv_sizeof_int)
291: ac_cv_int_type_double_cell=int
292: ;;
293: $ac_cv_sizeof_long)
294: ac_cv_int_type_double_cell=long
295: ;;
296: $ac_cv_sizeof_long_long)
297: ac_cv_int_type_double_cell="long long"
298: ;;
299: $ac_cv_sizeof_intptr_t)
300: ac_cv_int_type_double_cell="intptr_t"
301: ;;
302: $ac_cv_sizeof_int128_t)
303: ac_cv_int_type_double_cell="int128_t"
304: ;;
305: esac
306: AC_MSG_RESULT($ac_cv_int_type_double_cell)
307:
308: AC_MSG_CHECKING([for a C type for unsigned double-cells])
309: ac_cv_int_type_double_ucell=none
310: case `expr 2 '*' "$ac_cv_sizeof_char_p"` in
311: $ac_cv_sizeof_short)
312: ac_cv_int_type_double_ucell="unsigned short"
313: ;;
314: $ac_cv_sizeof_int)
315: ac_cv_int_type_double_ucell="unsigned int"
316: ;;
317: $ac_cv_sizeof_long)
318: ac_cv_int_type_double_ucell="unsigned long"
319: ;;
320: $ac_cv_sizeof_long_long)
321: ac_cv_int_type_double_ucell="unsigned long long"
322: ;;
323: $ac_cv_sizeof_intptr_t)
324: ac_cv_int_type_double_ucell="unsigned intptr_t"
325: ;;
326: $ac_cv_sizeof_uint128_t)
327: ac_cv_int_type_double_ucell="uint128_t"
328: ;;
329: esac
330: AC_MSG_RESULT($ac_cv_int_type_double_ucell)
331:
332: if test "$ac_cv_int_type_double_cell" = none || \
333: test "$ac_cv_int_type_double_ucell" = none
334: then
335: AC_MSG_WARN([Emulating double-cell arithmetic. This may be slow.])
336: AC_LIBOBJ(dblsub)
337: AC_DEFINE(BUGGY_LONG_LONG,,[define this if there is no working DOUBLE_CELL_TYPE on your machine])
338: else
339: AC_DEFINE_UNQUOTED(DOUBLE_CELL_TYPE,$ac_cv_int_type_double_cell,[an integer type that is twice as long as a pointer])
340: AC_DEFINE_UNQUOTED(DOUBLE_UCELL_TYPE,$ac_cv_int_type_double_ucell,[an unsigned integer type that is twice as long as a pointer])
341: fi
342:
343: AC_TYPE_OFF_T
344: AC_CHECK_SIZEOF(off_t)
345: test $ac_cv_sizeof_off_t -gt $ac_cv_sizeof_char_p
346: ac_small_off_t=$?
347: AC_DEFINE_UNQUOTED(SMALL_OFF_T,$ac_small_off_t,[1 if off_t fits in a Cell])
348:
349: ENGINE_FLAGS=
350: AC_SUBST(ENGINE_FLAGS)
351:
352: # Try if GCC understands -fno-gcse
353:
354: AC_MSG_CHECKING([if $CC understands -fno-gcse])
355: CFLAGS_1="$CFLAGS"
356: CFLAGS="$CFLAGS -fno-gcse"
357: AC_TRY_COMPILE(,,ac_nogcse=yes;ENGINE_FLAGS="$ENGINE_FLAGS -fno-gcse",ac_nogcse=no)
358: CFLAGS="$CFLAGS_1"
359: AC_MSG_RESULT($ac_nogcse)
360:
361: # Try if GCC understands -fno-strict-aliasing
362: AC_MSG_CHECKING([if $CC understands -fno-strict-aliasing])
363: CFLAGS_1="$CFLAGS"
364: CFLAGS="$CFLAGS -fno-strict-aliasing"
365: AC_TRY_COMPILE(,,ac_nostrictaliasing=yes;ENGINE_FLAGS="$ENGINE_FLAGS -fno-strict-aliasing",ac_nostrictaliasing=no)
366: CFLAGS="$CFLAGS_1"
367: AC_MSG_RESULT($ac_nostrictaliasing)
368:
369: # Try if GCC understands -fno-crossjumping
370: AC_MSG_CHECKING([if $CC understands -fno-crossjumping])
371: CFLAGS_1="$CFLAGS"
372: CFLAGS="$CFLAGS -fno-crossjumping"
373: AC_TRY_COMPILE(,,ac_nocrossjumping=yes;ENGINE_FLAGS="$ENGINE_FLAGS -fno-crossjumping",ac_nocrossjumping=no)
374: CFLAGS="$CFLAGS_1"
375: AC_MSG_RESULT($ac_nocrossjumping)
376:
377: # Try if GCC understands -fno-reorder-blocks
378: AC_MSG_CHECKING([if $CC understands -fno-reorder-blocks])
379: CFLAGS_1="$CFLAGS"
380: CFLAGS="$CFLAGS -fno-reorder-blocks"
381: AC_TRY_COMPILE(,,ac_noreorder_blocks=yes;ENGINE_FLAGS="$ENGINE_FLAGS -fno-reorder-blocks",ac_noreorder_blocks=no)
382: CFLAGS="$CFLAGS_1"
383: AC_MSG_RESULT($ac_noreorder_blocks)
384:
385: # Try if GCC understands __attribute__((unused))
386: AC_MSG_CHECKING([how to suppress 'unused variable' warnings])
387: AC_TRY_COMPILE(,[int __attribute__((unused)) foo;], MAYBE_UNUSED='__attribute__((unused))',)
388: AC_DEFINE_UNQUOTED(MAYBE_UNUSED,$MAYBE_UNUSED,[attribute for possibly unused variables])
389: AC_MSG_RESULT($MAYBE_UNUSED)
390:
391: AC_CHECK_PROG(asm_fs,asm.fs,arch/$machine/asm.fs,,$srcdir/arch/$machine)
392: AC_SUBST(asm_fs)
393:
394: AC_CHECK_PROG(disasm_fs,disasm.fs,arch/$machine/disasm.fs,,$srcdir/arch/$machine)
395: AC_SUBST(disasm_fs)
396:
397: AC_PATH_PROG(INSTALL_INFO,install-info,[echo '>>>>Please make info dir entry:'],$PATH:/sbin:/usr/sbin:/usr/local/sbin)
398:
399: case "$host_os" in
400: *win32|cygwin)
401: DIRSEP="\\\\"
402: PATHSEP=";"
403: #we want the builtins of command.com/cmd.exe and its
404: # handling of .com files.
405: #$COMSPEC contains the name of the Windows shell;
406: # the ./ is there, because the bash does not recognize
407: # absolute DOS filenames
408: DEFAULTSYSTEMPREFIX="./$COMSPEC /c "
409: ;;
410: *darwin*)
411: #Darwin uses some funny preprocessor by default; eliminate it:
412: AC_MSG_NOTICE([using -no-cpp-precomp on Darwin])
413: CFLAGS="$CFLAGS -no-cpp-precomp"
414: DIRSEP="/"
415: PATHSEP=":"
416: DEFAULTSYSTEMPREFIX=""
417: ;;
418: *)
419: DIRSEP="/"
420: PATHSEP=":"
421: DEFAULTSYSTEMPREFIX=""
422: ;;
423: esac
424: AC_SUBST(DIRSEP)
425: AC_DEFINE_UNQUOTED(DIRSEP,'$DIRSEP',[a directory separator character])
426: AC_SUBST(PATHSEP)
427: AC_DEFINE_UNQUOTED(PATHSEP,'$PATHSEP',[a path separator character])
428: AC_SUBST(DEFAULTSYSTEMPREFIX)
429: AC_DEFINE_UNQUOTED(DEFAULTSYSTEMPREFIX,"$DEFAULTSYSTEMPREFIX",[default for environment variable GFORTHSYSTEMPREFIX])
430:
431: dnl Now a little support for DOS/DJGCC
432: AC_SUBST(GFORTH_EXE)
433: GFORTH_EXE=""
434: AC_SUBST(GFORTHFAST_EXE)
435: GFORTHFAST_EXE=""
436: AC_SUBST(GFORTHITC_EXE)
437: GFORTHITC_EXE=""
438: AC_SUBST(GFORTHDITC_EXE)
439: GFORTHDITC_EXE=""
440:
441: AC_SUBST(FORTHSIZES)
442:
443: dnl if test "$PEEPHOLE" = "yes"
444: dnl then
445: dnl PEEPHOLEFLAG="true"
446: dnl AC_DEFINE(HAS_PEEPHOLE,,[Define if you want to use peephole optimization])
447: dnl else
448: dnl PEEPHOLEFLAG="false"
449: dnl fi
450: PEEPHOLEFLAG="true"
451: AC_SUBST(PEEPHOLEFLAG)
452:
453: dnl copy commands for systems that don't have links
454: AC_SUBST(LINK_KERNL)
455: LINK_KERNL=""
456:
457: #if test $host_os=dos
458: #then
459: # echo Configuring for DOS!!!
460: # MAKE_EXE="coff2exe gforth"
461: # LINK_KERNL='$(CP) kernl32l.fi kernel.fi'
462: #fi
463:
464: dnl the following macro produces a warning with autoconf-2.1
465: AC_C_BIGENDIAN
466: AC_SUBST(KERNEL)
467: dnl ac_cv_c_bigendian is an undocumented variable of autoconf-2.1
468: if test $ac_cv_c_bigendian = yes; then
469: bytesex=b
470: KERNEL="kernl16b.fi kernl16l.fi kernl32b.fi kernl32l.fi kernl64b.fi kernl64l.fi"
471: else
472: bytesex=l
473: KERNEL="kernl16l.fi kernl16b.fi kernl32l.fi kernl32b.fi kernl64l.fi kernl64b.fi"
474: fi
475:
476: #check how to do asm(".skip 16")
477: AC_MSG_CHECKING([if and how we can waste code space])
478: if test -z "$skipcode"; then
479: for i in ".skip 16" ".block 16" ".org .+16" ".=.+16" ".space 16"
480: do
481: AC_TRY_RUN(
482: [int foo(int,int,int);
483: main()
484: {
485: exit(foo(0,0,0)!=16);
486: }
487: int foo(int x, int y, int z)
488: {
489: static void *labels[]={&&label1, &&label2};
490: if (x) {
491: y++; /* workaround for http://gcc.gnu.org/bugzilla/show_bug.cgi?id=12108 */
492: label1:
493: asm(".skip 16"); /* or ".space 16" or somesuch */
494: label2: ;
495: }
496: {
497: if (y) goto *labels[z]; /* workaround for gcc PR12108 */
498: return labels[1]-labels[0];
499: }
500: }]
501: ,skipcode=$i; break
502: ,,)
503: done
504: fi
505: AC_MSG_RESULT($skipcode)
506: if test "$skipcode" = no
507: then
508: if test -z $no_dynamic_default; then
509: no_dynamic_default=1
510: AC_MSG_WARN(Disabling default dynamic native code generation)
511: fi
512: AC_DEFINE_UNQUOTED(SKIP16,((void)0),statement for skipping 16 bytes)
513: else
514: AC_DEFINE_UNQUOTED(SKIP16,asm("$skipcode"),statement for skipping 16 bytes)
515: fi
516:
517: test "$no_dynamic_default" || no_dynamic_default=0
518: AC_DEFINE_UNQUOTED(NO_DYNAMIC_DEFAULT,$no_dynamic_default,default value for no_dynamic)
519:
520: dnl Checks for programs.
521: AC_PROG_LN_S
522: AC_PROG_INSTALL
523:
524: dnl Checks for library functions
525: dnl This check is just for making later checks link with libm.
526: dnl using sin here is no good idea since it is built-into gcc and typechecked
527: AC_CHECK_LIB(m,asin)
528: AC_CHECK_LIB(dl,dlopen)
529: dnl check for ffcall libraries
530: dnl unfortunately, these four calls are separated out into a library each.
531: AC_CHECK_LIB(avcall,__builtin_avcall)
532: AC_CHECK_LIB(callback,__vacall_r)
533: AC_CHECK_LIB(vacall,vacall)
534: AC_CHECK_LIB(trampoline,alloc_trampoline)
535: FFCALLFLAG="false"
536: OLDCALLFLAG="true"
537: test $ac_cv_lib_avcall___builtin_avcall = yes && FFCALLFLAG="true" && OLDCALLFLAG="false" && AC_DEFINE(HAS_FFCALL,,[define this if you want to use the ffcall libraries])
538: test $ac_cv_lib_avcall___builtin_avcall = no && AC_DEFINE(HAS_OLDCALL,,[define this if you want to use the old call libraries])
539: AC_SUBST(FFCALLFLAG)
540: AC_SUBST(OLDCALLFLAG)
541: if test "$host_os" != "nextstep3"
542: then
543: AC_FUNC_MEMCMP
544: fi
545: AC_REPLACE_FUNCS(memmove strtoul pow10 strerror strsignal atanh)
546: AC_FUNC_FSEEKO
547: AC_CHECK_FUNCS(ftello dlopen sys_siglist getrusage)
548: AC_CHECK_TYPES(stack_t,,,[#include <signal.h>])
549: AC_DECL_SYS_SIGLIST
550: AC_CHECK_FUNC(getopt_long,[true],[AC_LIBOBJ(getopt) AC_LIBOBJ(getopt1)])
551: AC_CHECK_FUNCS(expm1 log1p)
552: AC_REPLACE_FUNCS(rint ecvt)
553: dnl No check for select, because our replacement is no good under
554: dnl anything but DOS
555: AC_CHECK_HEADERS(sys/mman.h fnmatch.h)
556: AC_FUNC_FNMATCH
557: test $ac_cv_func_fnmatch_works = yes || AC_LIBOBJ(fnmatch)
558: AC_CHECK_FUNCS(mmap sysconf getpagesize)
559: AM_PATH_LISPDIR
560:
561: kernel_fi=kernl${wordsize}${bytesex}.fi
562: AC_SUBST(kernel_fi)
563:
564: #this breaks bindists
565: #dnl replace srource directory by absolute value
566: #if test $srcdir = "."; then srcdir=`pwd`
567: #fi
568:
569: AC_SUBST(machine)
570: AC_CONFIG_FILES([
571: Makefile
572: Makedist
573: gforthmi
574: vmgen
575: machpc.fs
576: engine/Makefile
577: doc/version.texi ])
578: AC_CONFIG_COMMANDS([stamp-h],[[echo timestamp > stamp-h
579: chmod +x gforthmi
580: chmod +x vmgen
581: test -d kernel||mkdir kernel]],[[]])
582: AC_OUTPUT
583:
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