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