Annotation of gforth/configure.in, revision 1.83
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:
1.31 anton 21: AC_INIT(engine/engine.c)
1.34 anton 22:
23: dnl We use some automake macros here,
24: dnl but don't use automake for creating Makefile.in
1.81 anton 25: AM_INIT_AUTOMAKE(gforth,0.5.9-20010501)
1.47 anton 26: #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!
1.34 anton 29: AM_CONFIG_HEADER(engine/config.h)
1.57 anton 30: #AM_CYGWIN32
1.14 anton 31:
1.1 anton 32: 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:
1.9 pazsan 39: AC_ARG_WITH(debug,
1.10 anton 40: [ --with-debug specifies option -g to compile with debug info (default)
1.27 anton 41: --without-debug omits the -g switch and creates smaller images on
42: machines where "strip" has problems with gcc style
43: debugging informations.],
1.9 pazsan 44: if test "$withval" = "yes"; then DEBUGFLAG=-g; fi)
45:
1.79 pazsan 46: PEEPHOLE="yes"
47: AC_ARG_WITH(peephole,
48: [ --with-peephole Enable peephole optimization (default)
49: --without-peephole disables peephole optimization. Creates smaller,
50: but slower images.],
51: PEEPHOLE="$withval")
1.82 anton 52:
53: #currently we force direct threading this way. Eventually we should
54: #setup in the arch and engine files right
1.79 pazsan 55:
1.16 anton 56: CFLAGS=$CFLAGS
57:
1.15 pazsan 58: AC_PROG_CC
59:
60: if test "$GCC" = "yes"
61: then
62: echo "Fine, gcc is available"
63: else
64: cat <<'EOF'
1.16 anton 65: Gforth requires GCC-2.0 or higher (it uses GNU C extensions).
66: It does not work with other C compilers. Please install the GNU C compiler,
67: and try again (or search for a binary distribution for your platform).
1.15 pazsan 68: EOF
69: exit 1
70: fi
1.9 pazsan 71:
1.15 pazsan 72: AC_SUBST(CC)
1.9 pazsan 73: AC_SUBST(DEBUGFLAG)
1.7 anton 74:
1.10 anton 75: dnl the following macro produces a warning with autoconf-2.1
76: AC_CHECK_SIZEOF(char *)
77: case "$ac_cv_sizeof_char_p" in
78: 2)
79: wordsize=16
80: ;;
81: 4)
82: wordsize=32
83: ;;
84: 8)
85: wordsize=64
86: ;;
87: esac
1.9 pazsan 88:
1.40 pazsan 89: AC_CHECK_SIZEOF(char)
1.23 pazsan 90: AC_CHECK_SIZEOF(short)
91: AC_CHECK_SIZEOF(int)
92: AC_CHECK_SIZEOF(long)
93: AC_CHECK_SIZEOF(long long)
94:
95: ac_cv_int_type_cell=none
96: case "$ac_cv_sizeof_char_p" in
1.40 pazsan 97: $ac_cv_sizeof_int)
98: ac_cv_int_type_cell=int
99: ;;
1.23 pazsan 100: $ac_cv_sizeof_short)
101: ac_cv_int_type_cell=short
102: ;;
1.40 pazsan 103: $ac_cv_sizeof_char)
104: ac_cv_int_type_cell=char
1.23 pazsan 105: ;;
106: $ac_cv_sizeof_long)
107: ac_cv_int_type_cell=long
108: ;;
109: $ac_cv_sizeof_long_long)
110: ac_cv_int_type_cell="long long"
111: ;;
112: esac
1.22 pazsan 113: if test "$ac_cv_int_type_cell" != int; then
1.20 anton 114: echo "So, sizeof(pointer)!=sizeof(int); looks like a DOS C compiler to me."
115: echo "Since you don't have a proper C on this machine, that's one more reason"
116: echo "to use Forth;-)"
117: fi
1.23 pazsan 118: AC_DEFINE_UNQUOTED(CELL_TYPE,$ac_cv_int_type_cell)
119:
120: ac_cv_int_type_double_cell=none
121: case `expr 2 '*' "$ac_cv_sizeof_char_p"` in
122: $ac_cv_sizeof_short)
123: ac_cv_int_type_double_cell=short
124: ;;
125: $ac_cv_sizeof_int)
126: ac_cv_int_type_double_cell=int
127: ;;
128: $ac_cv_sizeof_long)
129: ac_cv_int_type_double_cell=long
130: ;;
131: $ac_cv_sizeof_long_long)
132: ac_cv_int_type_double_cell="long long"
133: ;;
134: esac
1.21 anton 135: if test "$ac_cv_int_type_double_cell" = none; then
1.20 anton 136: echo "Emulating double-cell arithmetic. This may be slow."
137: echo "If you find this unacceptable, ask the GCC maintainers to provide proper"
1.23 pazsan 138: echo 'long longs for your machine (the GCC manual states that they \"are twice as'
139: echo "long as \`long int\'\")."
1.20 anton 140: LIBOBJS="$LIBOBJS dblsub.o"
141: AC_DEFINE(BUGGY_LONG_LONG)
1.23 pazsan 142: else
143: AC_DEFINE_UNQUOTED(DOUBLE_CELL_TYPE,$ac_cv_int_type_double_cell)
1.20 anton 144: fi
145:
1.50 jwilke 146: AC_MSG_CHECKING([whether the linker accepts -export-dynamic])
147: OLDLDFLAGS=$LDFLAGS
148: LDFLAGS="$LDFLAGS -export-dynamic"
1.69 anton 149: dnl AC_TRY_LINK gives false positive on rs6000-ibm-aix4.2.1.0
150: dnl AC_TRY_LINK(,,ac_export_dynamic=yes,ac_export_dynamic=no)
151: AC_TRY_RUN(main(){exit(0);},ac_export_dynamic=yes,ac_export_dynamic=no,ac_export_dynamic=no)
1.50 jwilke 152: test $ac_export_dynamic = yes|| LDFLAGS=$OLDLDFLAGS
153: AC_MSG_RESULT($ac_export_dynamic)
154:
1.1 anton 155: #terminology is a bit unusual here: The host is the system on which
156: #gforth will run; the system on which configure will run is the `build'
157: AC_CANONICAL_HOST
158: case "$host_cpu" in
159: hppa*)
1.34 anton 160: machine=hppa
1.46 anton 161: $srcdir/mkinstalldirs arch/hppa
1.38 anton 162: LIBOBJS="$LIBOBJS ../arch/hppa/cache.o"
1.50 jwilke 163: LDFLAGS="$LDFLAGS -Xlinker -N"
1.47 anton 164: LIBS="$LIBS -L/lib/pa1.1/"
1.1 anton 165: ;;
166: sparc*)
1.34 anton 167: machine=sparc
1.1 anton 168: ;;
1.31 anton 169: i386)
1.34 anton 170: machine=386
1.16 anton 171: CFLAGS="$CFLAGS -fomit-frame-pointer -fforce-addr -fforce-mem"
1.31 anton 172: ;;
173: i486)
1.34 anton 174: machine=386
1.31 anton 175: CFLAGS="$CFLAGS -fomit-frame-pointer -fforce-addr -fforce-mem -m486"
176: ;;
1.77 anton 177: i*86)
1.34 anton 178: machine=386
1.55 anton 179: CFLAGS="$CFLAGS -fomit-frame-pointer -fforce-addr -fforce-mem"
1.56 pazsan 180: CFLAGS_1="$CFLAGS"
181: CFLAGS="$CFLAGS -mpentium"
182: AC_TRY_COMPILE(,,,CFLAGS="$CFLAGS_1 -m486")
1.1 anton 183: ;;
1.72 anton 184: ia64*)
185: machine=ia64
186: ;;
1.26 pazsan 187: m68k)
1.34 anton 188: machine=m68k
1.32 pazsan 189: CFLAGS="$CFLAGS -fomit-frame-pointer"
190: if test "$host_os" = "nextstep3"
191: then
192: LIBOBJS="$LIBOBJS termios.o"
193: fi
1.26 pazsan 194: ;;
1.1 anton 195: mips*)
1.34 anton 196: machine=mips
1.7 anton 197: #link text and data segment into the same 256M region!
1.49 anton 198: AC_MSG_CHECKING([whether the linker accepts -T])
199: OLDLDFLAGS=$LDFLAGS
200: LDFLAGS="$LDFLAGS -Xlinker -T -Xlinker 10000000"
201: AC_TRY_LINK(,,ac_link_mips_t=yes,ac_link_mips_t=no)
202: test $ac_link_mips_t = yes||LDFLAGS=$OLDLDFLAGS
203: AC_MSG_RESULT($ac_link_mips_t)
1.83 ! anton 204: fixme #dynamically generated code should be in the same 256MB
! 205: # region as the text segment; no indirect threading necessary
1.49 anton 206: test $ac_link_mips_t = yes||(echo cannot link text and data into same 256M region, using indirect threading; AC_DEFINE(INDIRECT_THREADED))
1.37 anton 207: AC_MSG_CHECKING([whether the linker accepts -D])
208: OLDLDFLAGS=$LDFLAGS
1.49 anton 209: LDFLAGS="$LDFLAGS -Xlinker -D -Xlinker 10400000"
1.37 anton 210: AC_TRY_LINK(,,ac_link_mips_d=yes,ac_link_mips_d=no)
1.49 anton 211: test $ac_link_mips_d = yes||LDFLAGS=$OLDLDFLAGS
1.37 anton 212: AC_MSG_RESULT($ac_link_mips_d)
1.1 anton 213: ;;
1.9 pazsan 214: alpha*)
1.34 anton 215: machine=alpha
1.58 anton 216: #full IEEE FP support for more uniformity across platforms:
217: CFLAGS="$CFLAGS -mieee"
1.9 pazsan 218: ;;
1.69 anton 219: power*|rs6000)
1.34 anton 220: machine=power
1.46 anton 221: $srcdir/mkinstalldirs arch/power
1.36 anton 222: AC_CHECK_FUNC(_sync_cache_range,true,LIBOBJS="$LIBOBJS ../arch/power/_sync_cache_range.o")
1.31 anton 223: ;;
1.1 anton 224: *)
1.20 anton 225: echo "Using a generic machine description."
1.1 anton 226: echo "I'll assume that C floats and doubles are represented by IEEE single and"
227: echo "double numbers. If this is not so, SF@ etc. will not work correctly."
1.16 anton 228: echo "FLUSH-ICACHE will do nothing, so END-CODE may not work properly!"
1.34 anton 229: machine=generic
1.1 anton 230: esac
1.10 anton 231: AC_SUBST(host)
1.15 pazsan 232: AC_SUBST(ENGINE_FLAGS)
1.1 anton 233:
1.66 anton 234: AC_CHECK_PROG(asm_fs,asm.fs,arch/$machine/asm.fs,,$srcdir/arch/$machine)
1.61 anton 235: AC_SUBST(asm_fs)
236:
1.66 anton 237: AC_CHECK_PROG(disasm_fs,disasm.fs,arch/$machine/disasm.fs,,$srcdir/arch/$machine)
1.61 anton 238: AC_SUBST(disasm_fs)
239:
1.39 pazsan 240: case "$host_os" in
241: *win32)
242: EXE=".exe"
243: ;;
244: *)
245: EXE=""
246: ;;
247: esac
248: AC_SUBST(EXE)
249:
1.1 anton 250: dnl Now a little support for DOS/DJGCC
1.30 pazsan 251: AC_SUBST(GFORTH_EXE)
252: GFORTH_EXE=""
1.48 anton 253: AC_SUBST(GFORTHFAST_EXE)
254: GFORTHFAST_EXE=""
1.83 ! anton 255: AC_SUBST(GFORTHITC_EXE)
! 256: GFORTHITC_EXE=""
1.30 pazsan 257: AC_SUBST(GFORTHDITC_EXE)
258: GFORTHDITC_EXE=""
1.1 anton 259:
1.24 anton 260: PATHSEP=":"
261: AC_SUBST(PATHSEP)
262: AC_DEFINE_UNQUOTED(PATHSEP,'$PATHSEP')
1.27 anton 263:
264: AC_SUBST(FORTHSIZES)
1.24 anton 265:
1.79 pazsan 266: if test "$PEEPHOLE" = "yes"
267: then
268: PEEPHOLEFLAG="true"
269: AC_DEFINE(HAS_PEEPHOLE)
270: else
271: PEEPHOLEFLAG="false"
272: fi
273: AC_SUBST(PEEPHOLEFLAG)
274:
1.1 anton 275: dnl copy commands for systems that don't have links
1.29 pazsan 276: AC_SUBST(LINK_KERNL)
277: LINK_KERNL=""
1.1 anton 278:
279: #if test $host_os=dos
280: #then
281: # echo Configuring for DOS!!!
282: # MAKE_EXE="coff2exe gforth"
1.29 pazsan 283: # LINK_KERNL='$(CP) kernl32l.fi kernel.fi'
1.1 anton 284: #fi
285:
286: dnl the following macro produces a warning with autoconf-2.1
287: AC_C_BIGENDIAN
1.23 pazsan 288: AC_SUBST(KERNEL)
1.1 anton 289: dnl ac_cv_c_bigendian is an undocumented variable of autoconf-2.1
290: if test $ac_cv_c_bigendian = yes; then
291: bytesex=b
1.23 pazsan 292: KERNEL="kernl16b.fi kernl16l.fi kernl32b.fi kernl32l.fi kernl64b.fi kernl64l.fi"
1.1 anton 293: else
294: bytesex=l
1.23 pazsan 295: KERNEL="kernl16l.fi kernl16b.fi kernl32l.fi kernl32b.fi kernl64l.fi kernl64b.fi"
1.1 anton 296: fi
297:
298: dnl Checks for programs.
299: AC_PROG_LN_S
1.34 anton 300: dnl AM_PROG_INSTALL #performed by AM_INIT_AUTOMAKE
1.1 anton 301:
302: dnl Checks for library functions
1.2 anton 303: dnl This check is just for making later checks link with libm.
304: dnl using sin here is no good idea since it is built-into gcc and typechecked
305: AC_CHECK_LIB(m,asin)
1.31 anton 306: AC_CHECK_LIB(dl,dlopen)
1.32 pazsan 307: if test "$host_os" != "nextstep3"
308: then
309: AC_FUNC_MEMCMP
310: fi
1.25 pazsan 311: AC_REPLACE_FUNCS(memmove strtoul pow10 strerror strsignal atanh)
1.71 anton 312: AC_CHECK_FUNCS(dlopen sys_siglist getrusage)
1.19 anton 313: AC_DECL_SYS_SIGLIST
1.34 anton 314: AC_CHECK_FUNC(getopt_long,true,LIBOBJS="$LIBOBJS getopt.o getopt1.o")
1.11 anton 315: AC_CHECK_FUNCS(rint expm1 log1p)
1.1 anton 316: AC_REPLACE_FUNCS(ecvt)
317: dnl No check for select, because our replacement is no good under
318: dnl anything but DOS
1.62 anton 319: AC_CHECK_HEADERS(sys/mman.h fnmatch.h)
1.63 anton 320: AC_FUNC_FNMATCH
321: test $ac_cv_func_fnmatch_works = yes || LIBOBJS="$LIBOBJS fnmatch.o"
1.28 anton 322: AC_CHECK_FUNCS(mmap sysconf getpagesize)
1.34 anton 323: AM_PATH_LISPDIR
1.1 anton 324:
1.23 pazsan 325: kernel_fi=kernl${wordsize}${bytesex}.fi
326: AC_SUBST(kernel_fi)
1.50 jwilke 327:
1.76 anton 328: #this breaks bindists
329: #dnl replace srource directory by absolute value
330: #if test $srcdir = "."; then srcdir=`pwd`
331: #fi
1.8 anton 332:
1.34 anton 333: AC_SUBST(machine)
334: dnl AC_LINK_FILES(arch/$machine,arch/machine) #no longer needed
1.31 anton 335: AC_OUTPUT([
336: Makefile
1.45 pazsan 337: Makedist
1.43 anton 338: gforthmi
1.80 anton 339: vmgen
1.79 pazsan 340: machpc.fs
1.35 anton 341: engine/Makefile
1.44 anton 342: doc/version.texi ],
343: echo timestamp > stamp-h
1.43 anton 344: chmod +x gforthmi
1.80 anton 345: chmod +x vmgen
1.44 anton 346: test -d kernel||mkdir kernel)
347:
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