Annotation of gforth/configure.in, revision 1.148
1.1 anton 1: dnl Process this file with autoconf to produce a configure script.
1.20 anton 2:
1.143 anton 3: #Copyright (C) 1995,1996,1997,1998,2000,2003,2004 Free Software Foundation, Inc.
1.20 anton 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
1.74 anton 19: #Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA.
1.20 anton 20:
1.121 anton 21:
1.34 anton 22: dnl We use some automake macros here,
23: dnl but don't use automake for creating Makefile.in
1.136 anton 24: AC_INIT([gforth],[0.6.2-20030910],[https://savannah.gnu.org/bugs/?func=addbug&group=gforth])
1.113 anton 25: AC_PREREQ(2.54)
1.47 anton 26: #snapshots have numbers major.minor.release-YYYYMMDD
1.92 anton 27: #note that lexicographic ordering must be heeded.
1.47 anton 28: #I.e., 0.4.1-YYYYMMDD must not exist before 0.4.1!
1.136 anton 29: UPDATED="September 10, 2003"
1.84 anton 30: AC_SUBST(UPDATED)
1.94 anton 31: AC_CONFIG_HEADERS(engine/config.h)
1.14 anton 32:
1.121 anton 33: #suppress the "-g -O2" default
34: test "$CFLAGS" || CFLAGS=-O2
35:
1.1 anton 36: AC_ARG_ENABLE(force-reg,
37: [ --enable-force-reg Use explicit register declarations if they appear in
38: the machine.h file. This can cause a good speedup,
39: but also incorrect code with some gcc versions on
40: some processors (default disabled).],
1.89 pazsan 41: AC_DEFINE(FORCE_REG,,[Define if you want to use explicit register declarations for better performance or for more convenient CODE words (does not work with all GCC versions on all machines)]))
1.145 pazsan 42: AC_ARG_ENABLE(force-ll,
43: [ --enable-force-ll Use explicit long long declarations if they appear in
44: the machine.h file. This can cause a good speedup,
45: but also incorrect code with some gcc versions on
46: some processors (default disabled).],
47: AC_DEFINE(FORCE_LL,,[Define if you want to use explicit long long declarations for better performance (does not work with all GCC versions on all machines)]))
1.135 anton 48: AC_SUBST(PROFEXES)
49: AC_SUBST(PROFOBJS)
1.147 anton 50:
51: AC_ARG_ENABLE(gcc-pr15242-workaround,
52: AC_HELP_STRING([--disable-gcc-pr15242-workaround],[Disables
53: dynamic code generation on some versions of gcc
54: (slowdown~2 on Athlon) and causes slower building
55: of gforth (but gforth speedups) on others.
56: (default enabled)]),
57: ,enable_gcc_pr15242_workaround=yes)
58: test "$enable_gcc_pr15242_workaround" = "no"||
59: AC_DEFINE(GCC_PR15242_WORKAROUND,,[Define if you want to get dynamic code
60: generation on gccs affected by PR15242])
61:
1.135 anton 62: AC_ARG_ENABLE(prof,
63: [ --enable-prof Build gforth-prof, which outputs frequently occuring
64: sequences of primitives.],
65: PROFEXES="gforth-prof\$(EXE)"; PROFOBJS="engine-prof.o main-prof.o profile.o")
1.1 anton 66:
1.9 pazsan 67: AC_ARG_WITH(debug,
1.122 pazsan 68: [ --with-debug specifies option -g to compile with debug info
69: --without-debug omits the -g switch and creates smaller images on
70: machines where "strip" has problems with gcc style
71: debugging informations.],
1.9 pazsan 72: if test "$withval" = "yes"; then DEBUGFLAG=-g; fi)
1.122 pazsan 73:
1.104 anton 74: dnl PEEPHOLE="yes"
75: dnl AC_ARG_WITH(peephole,
76: dnl [ --with-peephole Enable peephole optimization (default)
77: dnl --without-peephole disables peephole optimization. Creates smaller,
78: dnl but slower images.],
79: dnl PEEPHOLE="$withval")
80:
81: #variables mentioned in INSTALL
1.123 anton 82: AC_ARG_VAR(CC, [The C compiler (must support GNU C 2.x); gcc-2.95 recommended.])
1.104 anton 83: AC_ARG_VAR(FORTHSIZES, [Gforth command line options for the default stack and dictionary sizes (see INSTALL).])
84: AC_ARG_VAR(ac_cv_sizeof_char_p, [sizeof(char *)])
85: AC_ARG_VAR(ac_cv_sizeof_char, [sizeof(char)])
86: AC_ARG_VAR(ac_cv_sizeof_short, [sizeof(short)])
87: AC_ARG_VAR(ac_cv_sizeof_int, [sizeof(int)])
88: AC_ARG_VAR(ac_cv_sizeof_long, [sizeof(long)])
89: AC_ARG_VAR(ac_cv_sizeof_long_long, [sizeof(long long)])
90: AC_ARG_VAR(ac_cv_sizeof_intptr_t, [sizeof(intptr_t)])
91: AC_ARG_VAR(ac_cv_sizeof_int128_t, [sizeof(int128_t)])
1.144 pazsan 92: AC_ARG_VAR(ac_cv_sizeof_uint128_t, [sizeof(uint128_t)])
1.123 anton 93: AC_ARG_VAR(ac_cv_c_bigendian, [Is the target big-endian ("yes" or "no")?])
94: AC_ARG_VAR(no_dynamic_default, [run gforth with --dynamic (0) or --no-dynamic (1) by default])
1.136 anton 95: AC_ARG_VAR(skip_code, [assembly code for skipping 16 bytes of code])
1.82 anton 96:
1.96 anton 97: #set up feature test macros, so the tests get them right:
98: # turn on all POSIX, SUSv3, and GNU features if available
1.97 anton 99: AC_GNU_SOURCE
100: dnl AC_DEFINE_UNQUOTED([_GNU_SOURCE],1,[feature test macro])
101:
102: dnl Don't define _POSIX_SOURCE etc. because some OSs (in particular
103: dnl MacOSX) disable some features then (MacOSX checks for _POSIX_SOURCE,
104: dnl but not for _XOPEN_SOURCE)
105: dnl AC_DEFINE_UNQUOTED([_POSIX_SOURCE],1,[feature test macro])
106: dnl AC_DEFINE_UNQUOTED([_POSIX_C_SOURCE],199506L,[feature test macro])
107: dnl AC_DEFINE_UNQUOTED([_XOPEN_SOURCE],600,[feature test macro])
1.96 anton 108: # turn on large file support with 64-bit off_t where available
1.105 anton 109: AC_SYS_LARGEFILE
110: dnl AC_DEFINE_UNQUOTED([_LARGEFILE_SOURCE],1,[feature test macro])
111: dnl AC_DEFINE_UNQUOTED([_FILE_OFFSET_BITS],64,[feature test macro])
1.96 anton 112:
1.82 anton 113: #currently we force direct threading this way. Eventually we should
114: #setup in the arch and engine files right
1.16 anton 115:
1.15 pazsan 116: AC_PROG_CC
117:
1.92 anton 118: test "$GCC" = "yes" || AC_MSG_ERROR(Gforth uses GNU C extensions and requires GCC 2.0 or higher)
1.9 pazsan 119:
1.15 pazsan 120: AC_SUBST(CC)
1.9 pazsan 121: AC_SUBST(DEBUGFLAG)
1.7 anton 122:
1.128 pazsan 123: AC_MSG_CHECKING(make type)
124: make_type=`make -v 2>&1|grep 'ake version'|sed 's/ version .*//'`
125:
126: GNUMAKE='#'
127: test "$make_type" = "GNU Make" && GNUMAKE=''
128:
129: AC_MSG_RESULT($make_type)
130:
131: AC_SUBST(GNUMAKE)
132:
1.50 jwilke 133: AC_MSG_CHECKING([whether the linker accepts -export-dynamic])
134: OLDLDFLAGS=$LDFLAGS
135: LDFLAGS="$LDFLAGS -export-dynamic"
1.69 anton 136: dnl AC_TRY_LINK gives false positive on rs6000-ibm-aix4.2.1.0
137: dnl AC_TRY_LINK(,,ac_export_dynamic=yes,ac_export_dynamic=no)
138: AC_TRY_RUN(main(){exit(0);},ac_export_dynamic=yes,ac_export_dynamic=no,ac_export_dynamic=no)
1.50 jwilke 139: test $ac_export_dynamic = yes|| LDFLAGS=$OLDLDFLAGS
140: AC_MSG_RESULT($ac_export_dynamic)
141:
1.1 anton 142: #terminology is a bit unusual here: The host is the system on which
143: #gforth will run; the system on which configure will run is the `build'
144: AC_CANONICAL_HOST
145: case "$host_cpu" in
1.136 anton 146: arm*)
147: machine=arm
148: CFLAGS="$CFLAGS -fomit-frame-pointer"
149: if test -z $no_dynamic_default; then
150: no_dynamic_default=1
151: AC_MSG_WARN([No I-cache flush code known, disabling dynamic native code generation])
152: fi
153: ;;
1.1 anton 154: hppa*)
1.34 anton 155: machine=hppa
1.46 anton 156: $srcdir/mkinstalldirs arch/hppa
1.87 pazsan 157: AC_LIBOBJ(../arch/hppa/cache)
1.134 anton 158: #-N needed for --dynamic <M4U3b.3790$9d.317@news.cpqcorp.net>
159: LDFLAGS="$LDFLAGS -Xlinker -N"
1.47 anton 160: LIBS="$LIBS -L/lib/pa1.1/"
1.1 anton 161: ;;
162: sparc*)
1.34 anton 163: machine=sparc
1.1 anton 164: ;;
1.31 anton 165: i386)
1.34 anton 166: machine=386
1.16 anton 167: CFLAGS="$CFLAGS -fomit-frame-pointer -fforce-addr -fforce-mem"
1.31 anton 168: ;;
169: i486)
1.34 anton 170: machine=386
1.31 anton 171: CFLAGS="$CFLAGS -fomit-frame-pointer -fforce-addr -fforce-mem -m486"
172: ;;
1.77 anton 173: i*86)
1.34 anton 174: machine=386
1.55 anton 175: CFLAGS="$CFLAGS -fomit-frame-pointer -fforce-addr -fforce-mem"
1.56 pazsan 176: CFLAGS_1="$CFLAGS"
1.87 pazsan 177: CFLAGS="$CFLAGS -march=pentium"
1.56 pazsan 178: AC_TRY_COMPILE(,,,CFLAGS="$CFLAGS_1 -m486")
1.1 anton 179: ;;
1.133 anton 180: x86_64)
181: machine=amd64
182: ;;
1.136 anton 183: ia64*)
184: machine=ia64
185: AC_LIBOBJ(../arch/ia64/flush_icache_block)
186: test "$skipcode" || skipcode="nop.i 0"
187: #".skip 16" passes the test below,
188: # but gives an assembler error in engine
189: ;;
1.26 pazsan 190: m68k)
1.34 anton 191: machine=m68k
1.32 pazsan 192: CFLAGS="$CFLAGS -fomit-frame-pointer"
193: if test "$host_os" = "nextstep3"
194: then
1.87 pazsan 195: AC_LIBOBJ(termios)
1.32 pazsan 196: fi
1.26 pazsan 197: ;;
1.1 anton 198: mips*)
1.34 anton 199: machine=mips
1.92 anton 200: #dynamic native code has the following problems on MIPS:
201: #
202: #1) J/JAL seems relocatable, but is are only
203: #relocatable within a 256MB-segment. While we try to
204: #get the linker to arrange this, there is no guarantee
205: #that this will succeed (and if the user uses a lot of
206: #memory, it is likely to fail).
207: #
208: #2) The way we generate dynamic native code may
209: #violate MIPS architectural restrictions (in
210: #particular, the delay slots of LW, MFLO, etc.)
211: #
212: #Therefore we disable dynamic native code by default:
1.136 anton 213: if test -z $no_dynamic_default; then
214: no_dynamic_default=1
215: AC_MSG_WARN([Disabling default dynamic native code generation (relocation and delay slot issues)])
216: fi
1.1 anton 217: ;;
1.9 pazsan 218: alpha*)
1.34 anton 219: machine=alpha
1.58 anton 220: #full IEEE FP support for more uniformity across platforms:
221: CFLAGS="$CFLAGS -mieee"
1.9 pazsan 222: ;;
1.69 anton 223: power*|rs6000)
1.34 anton 224: machine=power
1.46 anton 225: $srcdir/mkinstalldirs arch/power
1.138 anton 226: AC_CHECK_FUNC(_sync_cache_range,[true],[AC_LIBOBJ(../arch/power/_sync_cache_range)])
1.103 anton 227: #long long is broken on (at least) gcc-2.95.* for PPC
1.104 anton 228: test x$ac_cv_sizeof_long_long = x && ac_cv_sizeof_long_long=0
1.31 anton 229: ;;
1.1 anton 230: *)
1.92 anton 231: AC_MSG_WARN([Using a generic machine description])
232: AC_MSG_WARN([Assuming C floats and doubles are IEEE floats and doubles (for SF@ DF@ SF! DF!)])
233: AC_MSG_WARN([FLUSH-ICACHE will do nothing, so END-CODE may not work properly!])
1.34 anton 234: machine=generic
1.97 anton 235: #I-cache flushing would be needed for dynamic code generation
1.136 anton 236: if test -z $no_dynamic_default; then
237: no_dynamic_default=1
238: AC_MSG_WARN([No I-cache flush code known, disabling dynamic native code generation])
239: fi
1.1 anton 240: esac
1.10 anton 241: AC_SUBST(host)
1.146 pazsan 242:
243: if test "${enable_force_ll+set}" = set; then
244: ac_includes_default="$ac_includes_default
245: #include \"arch/generic/128bit.h\""
246: fi
1.103 anton 247:
248: dnl the following macro produces a warning with autoconf-2.1
249: AC_CHECK_SIZEOF(char *)
250: case "$ac_cv_sizeof_char_p" in
251: 2)
252: wordsize=16
253: ;;
254: 4)
255: wordsize=32
256: ;;
257: 8)
258: wordsize=64
259: ;;
260: esac
261:
262: AC_CHECK_SIZEOF(char)
263: AC_CHECK_SIZEOF(short)
264: AC_CHECK_SIZEOF(int)
265: AC_CHECK_SIZEOF(long)
266: AC_CHECK_SIZEOF(long long)
267: AC_CHECK_SIZEOF(intptr_t)
268: AC_CHECK_SIZEOF(int128_t)
1.144 pazsan 269: AC_CHECK_SIZEOF(uint128_t)
1.103 anton 270:
271: AC_MSG_CHECKING([for a C type for cells])
272: ac_cv_int_type_cell=none
273: case "$ac_cv_sizeof_char_p" in
274: $ac_cv_sizeof_int)
275: ac_cv_int_type_cell=int
276: ;;
277: $ac_cv_sizeof_short)
278: ac_cv_int_type_cell=short
279: ;;
280: $ac_cv_sizeof_char)
281: ac_cv_int_type_cell=char
282: ;;
283: $ac_cv_sizeof_long)
284: ac_cv_int_type_cell=long
285: ;;
286: $ac_cv_sizeof_long_long)
287: ac_cv_int_type_cell="long long"
288: ;;
289: $ac_cv_sizeof_intptr_t)
290: ac_cv_int_type_cell="intptr_t"
291: ;;
292: $ac_cv_sizeof_int128_t)
293: ac_cv_int_type_cell="int128_t"
294: ;;
295: esac
296: AC_MSG_RESULT($ac_cv_int_type_cell)
297: AC_DEFINE_UNQUOTED(CELL_TYPE,$ac_cv_int_type_cell,[an integer type that is as long as a pointer])
298:
299: AC_MSG_CHECKING([for a C type for double-cells])
300: ac_cv_int_type_double_cell=none
301: case `expr 2 '*' "$ac_cv_sizeof_char_p"` in
302: $ac_cv_sizeof_short)
303: ac_cv_int_type_double_cell=short
304: ;;
305: $ac_cv_sizeof_int)
306: ac_cv_int_type_double_cell=int
307: ;;
308: $ac_cv_sizeof_long)
309: ac_cv_int_type_double_cell=long
310: ;;
311: $ac_cv_sizeof_long_long)
312: ac_cv_int_type_double_cell="long long"
313: ;;
314: $ac_cv_sizeof_intptr_t)
315: ac_cv_int_type_double_cell="intptr_t"
316: ;;
317: $ac_cv_sizeof_int128_t)
318: ac_cv_int_type_double_cell="int128_t"
319: ;;
320: esac
321: AC_MSG_RESULT($ac_cv_int_type_double_cell)
1.144 pazsan 322:
323: AC_MSG_CHECKING([for a C type for unsigned double-cells])
324: ac_cv_int_type_double_ucell=none
325: case `expr 2 '*' "$ac_cv_sizeof_char_p"` in
326: $ac_cv_sizeof_short)
327: ac_cv_int_type_double_ucell="unsigned short"
328: ;;
329: $ac_cv_sizeof_int)
330: ac_cv_int_type_double_ucell="unsigned int"
331: ;;
332: $ac_cv_sizeof_long)
333: ac_cv_int_type_double_ucell="unsigned long"
334: ;;
335: $ac_cv_sizeof_long_long)
336: ac_cv_int_type_double_ucell="unsigned long long"
337: ;;
338: $ac_cv_sizeof_intptr_t)
339: ac_cv_int_type_double_ucell="unsigned intptr_t"
340: ;;
341: $ac_cv_sizeof_uint128_t)
342: ac_cv_int_type_double_ucell="uint128_t"
343: ;;
344: esac
345: AC_MSG_RESULT($ac_cv_int_type_double_ucell)
346:
347: if test "$ac_cv_int_type_double_cell" = none || \
348: test "$ac_cv_int_type_double_ucell" = none
349: then
1.103 anton 350: AC_MSG_WARN([Emulating double-cell arithmetic. This may be slow.])
351: AC_LIBOBJ(dblsub)
352: AC_DEFINE(BUGGY_LONG_LONG,,[define this if there is no working DOUBLE_CELL_TYPE on your machine])
353: else
354: AC_DEFINE_UNQUOTED(DOUBLE_CELL_TYPE,$ac_cv_int_type_double_cell,[an integer type that is twice as long as a pointer])
1.144 pazsan 355: AC_DEFINE_UNQUOTED(DOUBLE_UCELL_TYPE,$ac_cv_int_type_double_ucell,[an unsigned integer type that is twice as long as a pointer])
1.103 anton 356: fi
357:
358: AC_TYPE_OFF_T
359: AC_CHECK_SIZEOF(off_t)
360: test $ac_cv_sizeof_off_t -gt $ac_cv_sizeof_char_p
361: ac_small_off_t=$?
362: AC_DEFINE_UNQUOTED(SMALL_OFF_T,$ac_small_off_t,[1 if off_t fits in a Cell])
1.1 anton 363:
1.109 anton 364: ENGINE_FLAGS=
365: AC_SUBST(ENGINE_FLAGS)
366:
367: # Try if GCC understands -fno-gcse
368:
369: AC_MSG_CHECKING([if $CC understands -fno-gcse])
370: CFLAGS_1="$CFLAGS"
371: CFLAGS="$CFLAGS -fno-gcse"
372: AC_TRY_COMPILE(,,ac_nogcse=yes;ENGINE_FLAGS="$ENGINE_FLAGS -fno-gcse",ac_nogcse=no)
373: CFLAGS="$CFLAGS_1"
374: AC_MSG_RESULT($ac_nogcse)
375:
376: # Try if GCC understands -fno-strict-aliasing
377: AC_MSG_CHECKING([if $CC understands -fno-strict-aliasing])
378: CFLAGS_1="$CFLAGS"
379: CFLAGS="$CFLAGS -fno-strict-aliasing"
380: AC_TRY_COMPILE(,,ac_nostrictaliasing=yes;ENGINE_FLAGS="$ENGINE_FLAGS -fno-strict-aliasing",ac_nostrictaliasing=no)
381: CFLAGS="$CFLAGS_1"
382: AC_MSG_RESULT($ac_nostrictaliasing)
383:
1.123 anton 384: # Try if GCC understands -fno-crossjumping
385: AC_MSG_CHECKING([if $CC understands -fno-crossjumping])
1.88 pazsan 386: CFLAGS_1="$CFLAGS"
1.123 anton 387: CFLAGS="$CFLAGS -fno-crossjumping"
1.125 anton 388: AC_TRY_COMPILE(,,ac_nocrossjumping=yes;ENGINE_FLAGS="$ENGINE_FLAGS -fno-crossjumping",ac_nocrossjumping=no)
1.109 anton 389: CFLAGS="$CFLAGS_1"
1.124 pazsan 390: AC_MSG_RESULT($ac_nocrossjumping)
1.88 pazsan 391:
1.137 pazsan 392: # Try if GCC understands -fno-reorder-blocks
393: AC_MSG_CHECKING([if $CC understands -fno-reorder-blocks])
394: CFLAGS_1="$CFLAGS"
395: CFLAGS="$CFLAGS -fno-reorder-blocks"
396: AC_TRY_COMPILE(,,ac_noreorder_blocks=yes;ENGINE_FLAGS="$ENGINE_FLAGS -fno-reorder-blocks",ac_noreorder_blocks=no)
397: CFLAGS="$CFLAGS_1"
398: AC_MSG_RESULT($ac_noreorder_blocks)
399:
1.130 anton 400: # Try if GCC understands __attribute__((unused))
401: AC_MSG_CHECKING([how to suppress 'unused variable' warnings])
402: AC_TRY_COMPILE(,[int __attribute__((unused)) foo;], MAYBE_UNUSED='__attribute__((unused))',)
403: AC_DEFINE_UNQUOTED(MAYBE_UNUSED,$MAYBE_UNUSED,[attribute for possibly unused variables])
404: AC_MSG_RESULT($MAYBE_UNUSED)
405:
1.66 anton 406: AC_CHECK_PROG(asm_fs,asm.fs,arch/$machine/asm.fs,,$srcdir/arch/$machine)
1.61 anton 407: AC_SUBST(asm_fs)
408:
1.66 anton 409: AC_CHECK_PROG(disasm_fs,disasm.fs,arch/$machine/disasm.fs,,$srcdir/arch/$machine)
1.61 anton 410: AC_SUBST(disasm_fs)
411:
1.116 anton 412: AC_PATH_PROG(INSTALL_INFO,install-info,[echo '>>>>Please make info dir entry:'],$PATH:/sbin:/usr/sbin:/usr/local/sbin)
1.114 anton 413:
1.39 pazsan 414: case "$host_os" in
1.107 anton 415: *win32|cygwin)
1.108 anton 416: DIRSEP="\\\\"
1.127 anton 417: PATHSEP=";"
1.142 anton 418: #we want the builtins of command.com/cmd.exe and its
419: # handling of .com files.
420: #$COMSPEC contains the name of the Windows shell;
421: # the ./ is there, because the bash does not recognize
422: # absolute DOS filenames
423: DEFAULTSYSTEMPREFIX="./$COMSPEC /c "
1.39 pazsan 424: ;;
1.97 anton 425: *darwin*)
426: #Darwin uses some funny preprocessor by default; eliminate it:
1.127 anton 427: AC_MSG_NOTICE([using -no-cpp-precomp on Darwin])
1.120 anton 428: CFLAGS="$CFLAGS -no-cpp-precomp"
1.98 anton 429: DIRSEP="/"
1.127 anton 430: PATHSEP=":"
1.141 anton 431: DEFAULTSYSTEMPREFIX=""
1.98 anton 432: ;;
1.39 pazsan 433: *)
1.88 pazsan 434: DIRSEP="/"
1.127 anton 435: PATHSEP=":"
1.141 anton 436: DEFAULTSYSTEMPREFIX=""
1.39 pazsan 437: ;;
438: esac
1.88 pazsan 439: AC_SUBST(DIRSEP)
1.89 pazsan 440: AC_DEFINE_UNQUOTED(DIRSEP,'$DIRSEP',[a directory separator character])
1.127 anton 441: AC_SUBST(PATHSEP)
442: AC_DEFINE_UNQUOTED(PATHSEP,'$PATHSEP',[a path separator character])
1.141 anton 443: AC_SUBST(DEFAULTSYSTEMPREFIX)
444: AC_DEFINE_UNQUOTED(DEFAULTSYSTEMPREFIX,"$DEFAULTSYSTEMPREFIX",[default for environment variable GFORTHSYSTEMPREFIX])
1.39 pazsan 445:
1.1 anton 446: dnl Now a little support for DOS/DJGCC
1.30 pazsan 447: AC_SUBST(GFORTH_EXE)
448: GFORTH_EXE=""
1.48 anton 449: AC_SUBST(GFORTHFAST_EXE)
450: GFORTHFAST_EXE=""
1.83 anton 451: AC_SUBST(GFORTHITC_EXE)
452: GFORTHITC_EXE=""
1.30 pazsan 453: AC_SUBST(GFORTHDITC_EXE)
454: GFORTHDITC_EXE=""
1.27 anton 455:
456: AC_SUBST(FORTHSIZES)
1.24 anton 457:
1.104 anton 458: dnl if test "$PEEPHOLE" = "yes"
459: dnl then
460: dnl PEEPHOLEFLAG="true"
461: dnl AC_DEFINE(HAS_PEEPHOLE,,[Define if you want to use peephole optimization])
462: dnl else
463: dnl PEEPHOLEFLAG="false"
464: dnl fi
465: PEEPHOLEFLAG="true"
1.79 pazsan 466: AC_SUBST(PEEPHOLEFLAG)
467:
1.1 anton 468: dnl copy commands for systems that don't have links
1.29 pazsan 469: AC_SUBST(LINK_KERNL)
470: LINK_KERNL=""
1.1 anton 471:
472: #if test $host_os=dos
473: #then
474: # echo Configuring for DOS!!!
475: # MAKE_EXE="coff2exe gforth"
1.29 pazsan 476: # LINK_KERNL='$(CP) kernl32l.fi kernel.fi'
1.1 anton 477: #fi
478:
479: dnl the following macro produces a warning with autoconf-2.1
480: AC_C_BIGENDIAN
1.23 pazsan 481: AC_SUBST(KERNEL)
1.1 anton 482: dnl ac_cv_c_bigendian is an undocumented variable of autoconf-2.1
483: if test $ac_cv_c_bigendian = yes; then
484: bytesex=b
1.23 pazsan 485: KERNEL="kernl16b.fi kernl16l.fi kernl32b.fi kernl32l.fi kernl64b.fi kernl64l.fi"
1.1 anton 486: else
487: bytesex=l
1.23 pazsan 488: KERNEL="kernl16l.fi kernl16b.fi kernl32l.fi kernl32b.fi kernl64l.fi kernl64b.fi"
1.1 anton 489: fi
490:
1.91 anton 491: #check how to do asm(".skip 16")
1.148 ! anton 492: echo "CFLAGS=$CFLAGS"
! 493: echo "ac_link=$ac_link"
1.92 anton 494: AC_MSG_CHECKING([if and how we can waste code space])
1.136 anton 495: if test -z "$skipcode"; then
1.148 ! anton 496: skipcode=no
! 497: CFLAGS_1="$CFLAGS"
! 498: CFLAGS="$CFLAGS $ENGINE_FLAGS"
1.136 anton 499: for i in ".skip 16" ".block 16" ".org .+16" ".=.+16" ".space 16"
500: do
1.91 anton 501: AC_TRY_RUN(
1.136 anton 502: [int foo(int,int,int);
1.91 anton 503: main()
504: {
1.136 anton 505: exit(foo(0,0,0)!=16);
1.91 anton 506: }
1.136 anton 507: int foo(int x, int y, int z)
1.91 anton 508: {
1.136 anton 509: static void *labels[]={&&label1, &&label2};
1.91 anton 510: if (x) {
1.136 anton 511: y++; /* workaround for http://gcc.gnu.org/bugzilla/show_bug.cgi?id=12108 */
1.91 anton 512: label1:
1.148 ! anton 513: asm("$i"); /* or ".space 16" or somesuch */
1.136 anton 514: label2: ;
515: }
516: {
517: if (y) goto *labels[z]; /* workaround for gcc PR12108 */
518: return labels[1]-labels[0];
1.91 anton 519: }
1.136 anton 520: }]
1.92 anton 521: ,skipcode=$i; break
522: ,,)
1.136 anton 523: done
1.148 ! anton 524: CFLAGS=$CFLAGS_1
1.136 anton 525: fi
1.92 anton 526: AC_MSG_RESULT($skipcode)
527: if test "$skipcode" = no
528: then
1.136 anton 529: if test -z $no_dynamic_default; then
530: no_dynamic_default=1
531: AC_MSG_WARN(Disabling default dynamic native code generation)
532: fi
1.92 anton 533: AC_DEFINE_UNQUOTED(SKIP16,((void)0),statement for skipping 16 bytes)
534: else
535: AC_DEFINE_UNQUOTED(SKIP16,asm("$skipcode"),statement for skipping 16 bytes)
536: fi
1.91 anton 537:
1.136 anton 538: test "$no_dynamic_default" || no_dynamic_default=0
1.92 anton 539: AC_DEFINE_UNQUOTED(NO_DYNAMIC_DEFAULT,$no_dynamic_default,default value for no_dynamic)
1.91 anton 540:
1.1 anton 541: dnl Checks for programs.
542: AC_PROG_LN_S
1.95 anton 543: AC_PROG_INSTALL
1.1 anton 544:
545: dnl Checks for library functions
1.2 anton 546: dnl This check is just for making later checks link with libm.
547: dnl using sin here is no good idea since it is built-into gcc and typechecked
548: AC_CHECK_LIB(m,asin)
1.31 anton 549: AC_CHECK_LIB(dl,dlopen)
1.124 pazsan 550: dnl check for ffcall libraries
551: dnl unfortunately, these four calls are separated out into a library each.
552: AC_CHECK_LIB(avcall,__builtin_avcall)
553: AC_CHECK_LIB(callback,__vacall_r)
554: AC_CHECK_LIB(vacall,vacall)
555: AC_CHECK_LIB(trampoline,alloc_trampoline)
1.125 anton 556: FFCALLFLAG="false"
1.129 pazsan 557: OLDCALLFLAG="true"
558: 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])
559: test $ac_cv_lib_avcall___builtin_avcall = no && AC_DEFINE(HAS_OLDCALL,,[define this if you want to use the old call libraries])
1.125 anton 560: AC_SUBST(FFCALLFLAG)
1.129 pazsan 561: AC_SUBST(OLDCALLFLAG)
1.32 pazsan 562: if test "$host_os" != "nextstep3"
563: then
564: AC_FUNC_MEMCMP
565: fi
1.25 pazsan 566: AC_REPLACE_FUNCS(memmove strtoul pow10 strerror strsignal atanh)
1.97 anton 567: AC_FUNC_FSEEKO
568: AC_CHECK_FUNCS(ftello dlopen sys_siglist getrusage)
1.111 anton 569: AC_CHECK_TYPES(stack_t,,,[#include <signal.h>])
1.19 anton 570: AC_DECL_SYS_SIGLIST
1.138 anton 571: AC_CHECK_FUNC(getopt_long,[true],[AC_LIBOBJ(getopt) AC_LIBOBJ(getopt1)])
1.90 anton 572: AC_CHECK_FUNCS(expm1 log1p)
573: AC_REPLACE_FUNCS(rint ecvt)
1.1 anton 574: dnl No check for select, because our replacement is no good under
575: dnl anything but DOS
1.62 anton 576: AC_CHECK_HEADERS(sys/mman.h fnmatch.h)
1.63 anton 577: AC_FUNC_FNMATCH
1.87 pazsan 578: test $ac_cv_func_fnmatch_works = yes || AC_LIBOBJ(fnmatch)
1.28 anton 579: AC_CHECK_FUNCS(mmap sysconf getpagesize)
1.34 anton 580: AM_PATH_LISPDIR
1.1 anton 581:
1.23 pazsan 582: kernel_fi=kernl${wordsize}${bytesex}.fi
583: AC_SUBST(kernel_fi)
1.50 jwilke 584:
1.76 anton 585: #this breaks bindists
586: #dnl replace srource directory by absolute value
587: #if test $srcdir = "."; then srcdir=`pwd`
588: #fi
1.8 anton 589:
1.34 anton 590: AC_SUBST(machine)
1.95 anton 591: AC_CONFIG_FILES([
1.31 anton 592: Makefile
1.45 pazsan 593: Makedist
1.43 anton 594: gforthmi
1.80 anton 595: vmgen
1.79 pazsan 596: machpc.fs
1.35 anton 597: engine/Makefile
1.95 anton 598: doc/version.texi ])
599: AC_CONFIG_COMMANDS([stamp-h],[[echo timestamp > stamp-h
1.43 anton 600: chmod +x gforthmi
1.80 anton 601: chmod +x vmgen
1.95 anton 602: test -d kernel||mkdir kernel]],[[]])
603: AC_OUTPUT
1.44 anton 604:
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