Annotation of gforth/configure.in, revision 1.96
1.1 anton 1: dnl Process this file with autoconf to produce a configure script.
1.20 anton 2:
1.73 anton 3: #Copyright (C) 1995,1996,1997,1998,2000 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:
1.34 anton 21: dnl We use some automake macros here,
22: dnl but don't use automake for creating Makefile.in
1.95 anton 23: AC_INIT([gforth],[0.5.9-20021227],[https://savannah.gnu.org/bugs/?func=addbug&group=gforth])
1.47 anton 24: #snapshots have numbers major.minor.release-YYYYMMDD
1.92 anton 25: #note that lexicographic ordering must be heeded.
1.47 anton 26: #I.e., 0.4.1-YYYYMMDD must not exist before 0.4.1!
1.94 anton 27: UPDATED="27 December 2002"
1.84 anton 28: AC_SUBST(UPDATED)
1.94 anton 29: AC_CONFIG_HEADERS(engine/config.h)
1.14 anton 30:
1.92 anton 31: #default setting that may be changed later:
32: no_dynamic_default=0
33:
1.1 anton 34: AC_ARG_ENABLE(force-reg,
35: [ --enable-force-reg Use explicit register declarations if they appear in
36: the machine.h file. This can cause a good speedup,
37: but also incorrect code with some gcc versions on
38: some processors (default disabled).],
1.89 pazsan 39: 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)]))
1.1 anton 40:
1.9 pazsan 41: AC_ARG_WITH(debug,
1.10 anton 42: [ --with-debug specifies option -g to compile with debug info (default)
1.27 anton 43: --without-debug omits the -g switch and creates smaller images on
44: machines where "strip" has problems with gcc style
45: debugging informations.],
1.9 pazsan 46: if test "$withval" = "yes"; then DEBUGFLAG=-g; fi)
47:
1.79 pazsan 48: PEEPHOLE="yes"
49: AC_ARG_WITH(peephole,
50: [ --with-peephole Enable peephole optimization (default)
51: --without-peephole disables peephole optimization. Creates smaller,
52: but slower images.],
53: PEEPHOLE="$withval")
1.82 anton 54:
1.96 ! anton 55: #set up feature test macros, so the tests get them right:
! 56: # turn on all POSIX, SUSv3, and GNU features if available
! 57: AC_DEFINE_UNQUOTED([_GNU_SOURCE],1,[feature test macro])
! 58: AC_DEFINE_UNQUOTED([_POSIX_SOURCE],1,[feature test macro])
! 59: AC_DEFINE_UNQUOTED([_POSIX_C_SOURCE],199506L,[feature test macro])
! 60: AC_DEFINE_UNQUOTED([_XOPEN_SOURCE],600,[feature test macro])
! 61: # turn on large file support with 64-bit off_t where available
! 62: AC_DEFINE_UNQUOTED([_LARGEFILE_SOURCE],1,[feature test macro])
! 63: AC_DEFINE_UNQUOTED([_FILE_OFFSET_BITS],64,[feature test macro])
! 64:
1.82 anton 65: #currently we force direct threading this way. Eventually we should
66: #setup in the arch and engine files right
1.79 pazsan 67:
1.16 anton 68: CFLAGS=$CFLAGS
69:
1.15 pazsan 70: AC_PROG_CC
71:
1.92 anton 72: test "$GCC" = "yes" || AC_MSG_ERROR(Gforth uses GNU C extensions and requires GCC 2.0 or higher)
1.9 pazsan 73:
1.15 pazsan 74: AC_SUBST(CC)
1.9 pazsan 75: AC_SUBST(DEBUGFLAG)
1.7 anton 76:
1.92 anton 77: AC_MSG_CHECKING(gcc version)
78: gcc_version=`$CC -v 2>&1|grep 'gcc version'|sed 's/.*gcc version //'`
79: AC_MSG_RESULT($gcc_version)
80: if expr "$gcc_version" \> 3.0.4 >/dev/null && expr "$gcc_version" \< 3.2.1 >/dev/null
81: then
82: no_dynamic_default=1
83: AC_MSG_WARN(Disabling dynamic native code generation by default (speed penalty factor ~2))
84: fi
85:
1.10 anton 86: dnl the following macro produces a warning with autoconf-2.1
87: AC_CHECK_SIZEOF(char *)
88: case "$ac_cv_sizeof_char_p" in
89: 2)
90: wordsize=16
91: ;;
92: 4)
93: wordsize=32
94: ;;
95: 8)
96: wordsize=64
97: ;;
98: esac
1.9 pazsan 99:
1.40 pazsan 100: AC_CHECK_SIZEOF(char)
1.23 pazsan 101: AC_CHECK_SIZEOF(short)
102: AC_CHECK_SIZEOF(int)
103: AC_CHECK_SIZEOF(long)
104: AC_CHECK_SIZEOF(long long)
105:
1.92 anton 106: AC_MSG_CHECKING([for a C type for cells])
1.23 pazsan 107: ac_cv_int_type_cell=none
108: case "$ac_cv_sizeof_char_p" in
1.40 pazsan 109: $ac_cv_sizeof_int)
110: ac_cv_int_type_cell=int
111: ;;
1.23 pazsan 112: $ac_cv_sizeof_short)
113: ac_cv_int_type_cell=short
114: ;;
1.40 pazsan 115: $ac_cv_sizeof_char)
116: ac_cv_int_type_cell=char
1.23 pazsan 117: ;;
118: $ac_cv_sizeof_long)
119: ac_cv_int_type_cell=long
120: ;;
121: $ac_cv_sizeof_long_long)
122: ac_cv_int_type_cell="long long"
123: ;;
124: esac
1.92 anton 125: AC_MSG_RESULT($ac_cv_int_type_cell)
1.89 pazsan 126: AC_DEFINE_UNQUOTED(CELL_TYPE,$ac_cv_int_type_cell,[an integer type that is as long as a pointer])
1.23 pazsan 127:
1.92 anton 128: AC_MSG_CHECKING([for a C type for double-cells])
1.23 pazsan 129: ac_cv_int_type_double_cell=none
130: case `expr 2 '*' "$ac_cv_sizeof_char_p"` in
131: $ac_cv_sizeof_short)
132: ac_cv_int_type_double_cell=short
133: ;;
134: $ac_cv_sizeof_int)
135: ac_cv_int_type_double_cell=int
136: ;;
137: $ac_cv_sizeof_long)
138: ac_cv_int_type_double_cell=long
139: ;;
140: $ac_cv_sizeof_long_long)
141: ac_cv_int_type_double_cell="long long"
142: ;;
143: esac
1.92 anton 144: AC_MSG_RESULT($ac_cv_int_type_double_cell)
1.21 anton 145: if test "$ac_cv_int_type_double_cell" = none; then
1.92 anton 146: AC_MSG_WARN([Emulating double-cell arithmetic. This may be slow.])
1.87 pazsan 147: AC_LIBOBJ(dblsub)
1.89 pazsan 148: AC_DEFINE(BUGGY_LONG_LONG,,[define this if there is no working DOUBLE_CELL_TYPE on your machine])
1.23 pazsan 149: else
1.92 anton 150: AC_DEFINE_UNQUOTED(DOUBLE_CELL_TYPE,$ac_cv_int_type_double_cell,[an integer type that is twice as long as a pointer])
1.20 anton 151: fi
152:
1.96 ! anton 153: AC_TYPE_OFF_T
! 154: AC_CHECK_SIZEOF(off_t)
! 155: test $ac_cv_sizeof_off_t -gt $ac_cv_sizeof_char_p
! 156: ac_small_off_t=$?
! 157: AC_DEFINE_UNQUOTED(SMALL_OFF_T,$ac_small_off_t,[1 if off_t fits in a Cell])
! 158:
1.50 jwilke 159: AC_MSG_CHECKING([whether the linker accepts -export-dynamic])
160: OLDLDFLAGS=$LDFLAGS
161: LDFLAGS="$LDFLAGS -export-dynamic"
1.69 anton 162: dnl AC_TRY_LINK gives false positive on rs6000-ibm-aix4.2.1.0
163: dnl AC_TRY_LINK(,,ac_export_dynamic=yes,ac_export_dynamic=no)
164: AC_TRY_RUN(main(){exit(0);},ac_export_dynamic=yes,ac_export_dynamic=no,ac_export_dynamic=no)
1.50 jwilke 165: test $ac_export_dynamic = yes|| LDFLAGS=$OLDLDFLAGS
166: AC_MSG_RESULT($ac_export_dynamic)
167:
1.1 anton 168: #terminology is a bit unusual here: The host is the system on which
169: #gforth will run; the system on which configure will run is the `build'
170: AC_CANONICAL_HOST
171: case "$host_cpu" in
172: hppa*)
1.34 anton 173: machine=hppa
1.46 anton 174: $srcdir/mkinstalldirs arch/hppa
1.87 pazsan 175: AC_LIBOBJ(../arch/hppa/cache)
1.50 jwilke 176: LDFLAGS="$LDFLAGS -Xlinker -N"
1.47 anton 177: LIBS="$LIBS -L/lib/pa1.1/"
1.1 anton 178: ;;
179: sparc*)
1.34 anton 180: machine=sparc
1.1 anton 181: ;;
1.31 anton 182: i386)
1.34 anton 183: machine=386
1.16 anton 184: CFLAGS="$CFLAGS -fomit-frame-pointer -fforce-addr -fforce-mem"
1.31 anton 185: ;;
186: i486)
1.34 anton 187: machine=386
1.31 anton 188: CFLAGS="$CFLAGS -fomit-frame-pointer -fforce-addr -fforce-mem -m486"
189: ;;
1.77 anton 190: i*86)
1.34 anton 191: machine=386
1.55 anton 192: CFLAGS="$CFLAGS -fomit-frame-pointer -fforce-addr -fforce-mem"
1.56 pazsan 193: CFLAGS_1="$CFLAGS"
1.87 pazsan 194: CFLAGS="$CFLAGS -march=pentium"
1.56 pazsan 195: AC_TRY_COMPILE(,,,CFLAGS="$CFLAGS_1 -m486")
1.1 anton 196: ;;
1.72 anton 197: ia64*)
198: machine=ia64
199: ;;
1.26 pazsan 200: m68k)
1.34 anton 201: machine=m68k
1.32 pazsan 202: CFLAGS="$CFLAGS -fomit-frame-pointer"
203: if test "$host_os" = "nextstep3"
204: then
1.87 pazsan 205: AC_LIBOBJ(termios)
1.32 pazsan 206: fi
1.26 pazsan 207: ;;
1.1 anton 208: mips*)
1.34 anton 209: machine=mips
1.92 anton 210: #dynamic native code has the following problems on MIPS:
211: #
212: #1) J/JAL seems relocatable, but is are only
213: #relocatable within a 256MB-segment. While we try to
214: #get the linker to arrange this, there is no guarantee
215: #that this will succeed (and if the user uses a lot of
216: #memory, it is likely to fail).
217: #
218: #2) The way we generate dynamic native code may
219: #violate MIPS architectural restrictions (in
220: #particular, the delay slots of LW, MFLO, etc.)
221: #
222: #Therefore we disable dynamic native code by default:
223: no_dynamic_default=1
224: AC_MSG_WARN(Disabling dynamic native code generation by default (speed penalty factor ~2))
1.7 anton 225: #link text and data segment into the same 256M region!
1.49 anton 226: AC_MSG_CHECKING([whether the linker accepts -T])
227: OLDLDFLAGS=$LDFLAGS
228: LDFLAGS="$LDFLAGS -Xlinker -T -Xlinker 10000000"
229: AC_TRY_LINK(,,ac_link_mips_t=yes,ac_link_mips_t=no)
230: test $ac_link_mips_t = yes||LDFLAGS=$OLDLDFLAGS
231: AC_MSG_RESULT($ac_link_mips_t)
1.37 anton 232: AC_MSG_CHECKING([whether the linker accepts -D])
233: OLDLDFLAGS=$LDFLAGS
1.49 anton 234: LDFLAGS="$LDFLAGS -Xlinker -D -Xlinker 10400000"
1.37 anton 235: AC_TRY_LINK(,,ac_link_mips_d=yes,ac_link_mips_d=no)
1.49 anton 236: test $ac_link_mips_d = yes||LDFLAGS=$OLDLDFLAGS
1.37 anton 237: AC_MSG_RESULT($ac_link_mips_d)
1.1 anton 238: ;;
1.9 pazsan 239: alpha*)
1.34 anton 240: machine=alpha
1.58 anton 241: #full IEEE FP support for more uniformity across platforms:
242: CFLAGS="$CFLAGS -mieee"
1.9 pazsan 243: ;;
1.69 anton 244: power*|rs6000)
1.34 anton 245: machine=power
1.46 anton 246: $srcdir/mkinstalldirs arch/power
1.87 pazsan 247: AC_CHECK_FUNC(_sync_cache_range,true,AC_LIBOBJ(../arch/power/_sync_cache_range))
1.31 anton 248: ;;
1.1 anton 249: *)
1.92 anton 250: AC_MSG_WARN([Using a generic machine description])
251: AC_MSG_WARN([Assuming C floats and doubles are IEEE floats and doubles (for SF@ DF@ SF! DF!)])
252: AC_MSG_WARN([FLUSH-ICACHE will do nothing, so END-CODE may not work properly!])
1.34 anton 253: machine=generic
1.1 anton 254: esac
1.10 anton 255: AC_SUBST(host)
1.15 pazsan 256: AC_SUBST(ENGINE_FLAGS)
1.1 anton 257:
1.88 pazsan 258: # Try if GCC understands -fno-cross-jump
259:
260: CFLAGS_1="$CFLAGS"
261: CFLAGS="$CFLAGS -fno-cross-jump"
262: AC_TRY_COMPILE(,,,CFLAGS="$CFLAGS_1")
263:
1.66 anton 264: AC_CHECK_PROG(asm_fs,asm.fs,arch/$machine/asm.fs,,$srcdir/arch/$machine)
1.61 anton 265: AC_SUBST(asm_fs)
266:
1.66 anton 267: AC_CHECK_PROG(disasm_fs,disasm.fs,arch/$machine/disasm.fs,,$srcdir/arch/$machine)
1.61 anton 268: AC_SUBST(disasm_fs)
269:
1.39 pazsan 270: case "$host_os" in
271: *win32)
272: EXE=".exe"
1.88 pazsan 273: DIRSEP="\\"
1.39 pazsan 274: ;;
275: *)
276: EXE=""
1.88 pazsan 277: DIRSEP="/"
1.39 pazsan 278: ;;
279: esac
280: AC_SUBST(EXE)
1.88 pazsan 281: AC_SUBST(DIRSEP)
1.89 pazsan 282: AC_DEFINE_UNQUOTED(DIRSEP,'$DIRSEP',[a directory separator character])
1.39 pazsan 283:
1.1 anton 284: dnl Now a little support for DOS/DJGCC
1.30 pazsan 285: AC_SUBST(GFORTH_EXE)
286: GFORTH_EXE=""
1.48 anton 287: AC_SUBST(GFORTHFAST_EXE)
288: GFORTHFAST_EXE=""
1.83 anton 289: AC_SUBST(GFORTHITC_EXE)
290: GFORTHITC_EXE=""
1.30 pazsan 291: AC_SUBST(GFORTHDITC_EXE)
292: GFORTHDITC_EXE=""
1.1 anton 293:
1.24 anton 294: PATHSEP=":"
295: AC_SUBST(PATHSEP)
1.89 pazsan 296: AC_DEFINE_UNQUOTED(PATHSEP,'$PATHSEP',[a path separator character])
1.27 anton 297:
298: AC_SUBST(FORTHSIZES)
1.24 anton 299:
1.79 pazsan 300: if test "$PEEPHOLE" = "yes"
301: then
302: PEEPHOLEFLAG="true"
1.89 pazsan 303: AC_DEFINE(HAS_PEEPHOLE,,[Define if you want to use peephole optimization])
1.79 pazsan 304: else
305: PEEPHOLEFLAG="false"
306: fi
307: AC_SUBST(PEEPHOLEFLAG)
308:
1.1 anton 309: dnl copy commands for systems that don't have links
1.29 pazsan 310: AC_SUBST(LINK_KERNL)
311: LINK_KERNL=""
1.1 anton 312:
313: #if test $host_os=dos
314: #then
315: # echo Configuring for DOS!!!
316: # MAKE_EXE="coff2exe gforth"
1.29 pazsan 317: # LINK_KERNL='$(CP) kernl32l.fi kernel.fi'
1.1 anton 318: #fi
319:
320: dnl the following macro produces a warning with autoconf-2.1
321: AC_C_BIGENDIAN
1.23 pazsan 322: AC_SUBST(KERNEL)
1.1 anton 323: dnl ac_cv_c_bigendian is an undocumented variable of autoconf-2.1
324: if test $ac_cv_c_bigendian = yes; then
325: bytesex=b
1.23 pazsan 326: KERNEL="kernl16b.fi kernl16l.fi kernl32b.fi kernl32l.fi kernl64b.fi kernl64l.fi"
1.1 anton 327: else
328: bytesex=l
1.23 pazsan 329: KERNEL="kernl16l.fi kernl16b.fi kernl32l.fi kernl32b.fi kernl64l.fi kernl64b.fi"
1.1 anton 330: fi
331:
1.91 anton 332: #check how to do asm(".skip 16")
1.92 anton 333: AC_MSG_CHECKING([if and how we can waste code space])
334: skipcode=no
1.91 anton 335: for i in ".skip 16" ".block 16" ".org .+16" ".=.+16" ".space 16"
336: do
337: AC_TRY_RUN(
338: int foo(int);
339: main()
340: {
341: exit(foo(0)!=16);
342: }
343: int foo(int x)
344: {
345: if (x) {
346: label1:
347: asm("$i");
348: label2:
349: }
350: return (&&label2)-(&&label1);
351: }
1.92 anton 352: ,skipcode=$i; break
353: ,,)
1.91 anton 354: done
1.92 anton 355: AC_MSG_RESULT($skipcode)
356: if test "$skipcode" = no
357: then
358: no_dynamic_default=1
359: AC_DEFINE_UNQUOTED(SKIP16,((void)0),statement for skipping 16 bytes)
360: AC_MSG_WARN(Disabling dynamic native code generation by default (speed penalty factor ~2))
361: else
362: AC_DEFINE_UNQUOTED(SKIP16,asm("$skipcode"),statement for skipping 16 bytes)
363: fi
1.91 anton 364:
1.92 anton 365: AC_DEFINE_UNQUOTED(NO_DYNAMIC_DEFAULT,$no_dynamic_default,default value for no_dynamic)
1.91 anton 366:
1.1 anton 367: dnl Checks for programs.
368: AC_PROG_LN_S
1.95 anton 369: AC_PROG_INSTALL
1.1 anton 370:
371: dnl Checks for library functions
1.2 anton 372: dnl This check is just for making later checks link with libm.
373: dnl using sin here is no good idea since it is built-into gcc and typechecked
374: AC_CHECK_LIB(m,asin)
1.31 anton 375: AC_CHECK_LIB(dl,dlopen)
1.32 pazsan 376: if test "$host_os" != "nextstep3"
377: then
378: AC_FUNC_MEMCMP
379: fi
1.25 pazsan 380: AC_REPLACE_FUNCS(memmove strtoul pow10 strerror strsignal atanh)
1.93 anton 381: AC_CHECK_FUNCS(dlopen sys_siglist getrusage fseeko ftello)
1.19 anton 382: AC_DECL_SYS_SIGLIST
1.92 anton 383: AC_CHECK_FUNC(getopt_long,true,AC_LIBOBJ(getopt); AC_LIBOBJ(getopt1))
1.90 anton 384: AC_CHECK_FUNCS(expm1 log1p)
385: AC_REPLACE_FUNCS(rint ecvt)
1.1 anton 386: dnl No check for select, because our replacement is no good under
387: dnl anything but DOS
1.62 anton 388: AC_CHECK_HEADERS(sys/mman.h fnmatch.h)
1.63 anton 389: AC_FUNC_FNMATCH
1.87 pazsan 390: test $ac_cv_func_fnmatch_works = yes || AC_LIBOBJ(fnmatch)
1.28 anton 391: AC_CHECK_FUNCS(mmap sysconf getpagesize)
1.34 anton 392: AM_PATH_LISPDIR
1.1 anton 393:
1.23 pazsan 394: kernel_fi=kernl${wordsize}${bytesex}.fi
395: AC_SUBST(kernel_fi)
1.50 jwilke 396:
1.76 anton 397: #this breaks bindists
398: #dnl replace srource directory by absolute value
399: #if test $srcdir = "."; then srcdir=`pwd`
400: #fi
1.8 anton 401:
1.34 anton 402: AC_SUBST(machine)
1.95 anton 403: AC_CONFIG_FILES([
1.31 anton 404: Makefile
1.45 pazsan 405: Makedist
1.43 anton 406: gforthmi
1.80 anton 407: vmgen
1.79 pazsan 408: machpc.fs
1.35 anton 409: engine/Makefile
1.95 anton 410: doc/version.texi ])
411: AC_CONFIG_COMMANDS([stamp-h],[[echo timestamp > stamp-h
1.43 anton 412: chmod +x gforthmi
1.80 anton 413: chmod +x vmgen
1.95 anton 414: test -d kernel||mkdir kernel]],[[]])
415: AC_OUTPUT
1.44 anton 416:
FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>