Annotation of gforth/configure.in, revision 1.47
1.1 anton 1: dnl Process this file with autoconf to produce a configure script.
1.20 anton 2:
1.41 anton 3: #Copyright (C) 1995,1996,1997,1998 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
19: #Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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
1.47 ! anton 25: AM_INIT_AUTOMAKE(gforth,0.4.0-19990101)
! 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)
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:
38: AC_DEFINE(FORCE_REG))
39: dnl this is not quite according to the autoconf manual, it causes a replacement
40: AC_ARG_ENABLE(direct-threaded,
41: [ --enable-direct-threaded Force direct threading. This may not work on
42: some machines and may cause slowdown on others.
43: (default processor-dependent)],
44: AC_DEFINE(DIRECT_THREADED))
45: AC_ARG_ENABLE(indirect-threaded,
46: [ --enable-indirect-threaded Force indirect threading. This can cause a
47: slowdown on some machines.
48: (default processor-dependent)],
49: AC_DEFINE(INDIRECT_THREADED))
50:
1.9 pazsan 51: AC_ARG_WITH(debug,
1.10 anton 52: [ --with-debug specifies option -g to compile with debug info (default)
1.27 anton 53: --without-debug omits the -g switch and creates smaller images on
54: machines where "strip" has problems with gcc style
55: debugging informations.],
1.9 pazsan 56: if test "$withval" = "yes"; then DEBUGFLAG=-g; fi)
57:
1.16 anton 58: CFLAGS=$CFLAGS
59:
1.15 pazsan 60: AC_PROG_CC
61:
62: if test "$GCC" = "yes"
63: then
64: echo "Fine, gcc is available"
65: else
66: cat <<'EOF'
1.16 anton 67: Gforth requires GCC-2.0 or higher (it uses GNU C extensions).
68: It does not work with other C compilers. Please install the GNU C compiler,
69: and try again (or search for a binary distribution for your platform).
1.15 pazsan 70: EOF
71: exit 1
72: fi
1.9 pazsan 73:
1.15 pazsan 74: AC_SUBST(CC)
1.9 pazsan 75: AC_SUBST(DEBUGFLAG)
1.7 anton 76:
1.10 anton 77: dnl the following macro produces a warning with autoconf-2.1
78: AC_CHECK_SIZEOF(char *)
79: case "$ac_cv_sizeof_char_p" in
80: 2)
81: wordsize=16
82: ;;
83: 4)
84: wordsize=32
85: ;;
86: 8)
87: wordsize=64
88: ;;
89: esac
1.9 pazsan 90:
1.40 pazsan 91: AC_CHECK_SIZEOF(char)
1.23 pazsan 92: AC_CHECK_SIZEOF(short)
93: AC_CHECK_SIZEOF(int)
94: AC_CHECK_SIZEOF(long)
95: AC_CHECK_SIZEOF(long long)
96:
97: ac_cv_int_type_cell=none
98: case "$ac_cv_sizeof_char_p" in
1.40 pazsan 99: $ac_cv_sizeof_int)
100: ac_cv_int_type_cell=int
101: ;;
1.23 pazsan 102: $ac_cv_sizeof_short)
103: ac_cv_int_type_cell=short
104: ;;
1.40 pazsan 105: $ac_cv_sizeof_char)
106: ac_cv_int_type_cell=char
1.23 pazsan 107: ;;
108: $ac_cv_sizeof_long)
109: ac_cv_int_type_cell=long
110: ;;
111: $ac_cv_sizeof_long_long)
112: ac_cv_int_type_cell="long long"
113: ;;
114: esac
1.22 pazsan 115: if test "$ac_cv_int_type_cell" != int; then
1.20 anton 116: echo "So, sizeof(pointer)!=sizeof(int); looks like a DOS C compiler to me."
117: echo "Since you don't have a proper C on this machine, that's one more reason"
118: echo "to use Forth;-)"
119: fi
1.23 pazsan 120: AC_DEFINE_UNQUOTED(CELL_TYPE,$ac_cv_int_type_cell)
121:
122: ac_cv_int_type_double_cell=none
123: case `expr 2 '*' "$ac_cv_sizeof_char_p"` in
124: $ac_cv_sizeof_short)
125: ac_cv_int_type_double_cell=short
126: ;;
127: $ac_cv_sizeof_int)
128: ac_cv_int_type_double_cell=int
129: ;;
130: $ac_cv_sizeof_long)
131: ac_cv_int_type_double_cell=long
132: ;;
133: $ac_cv_sizeof_long_long)
134: ac_cv_int_type_double_cell="long long"
135: ;;
136: esac
1.21 anton 137: if test "$ac_cv_int_type_double_cell" = none; then
1.20 anton 138: echo "Emulating double-cell arithmetic. This may be slow."
139: echo "If you find this unacceptable, ask the GCC maintainers to provide proper"
1.23 pazsan 140: echo 'long longs for your machine (the GCC manual states that they \"are twice as'
141: echo "long as \`long int\'\")."
1.20 anton 142: LIBOBJS="$LIBOBJS dblsub.o"
143: AC_DEFINE(BUGGY_LONG_LONG)
1.23 pazsan 144: else
145: AC_DEFINE_UNQUOTED(DOUBLE_CELL_TYPE,$ac_cv_int_type_double_cell)
1.20 anton 146: fi
147:
1.1 anton 148: #terminology is a bit unusual here: The host is the system on which
149: #gforth will run; the system on which configure will run is the `build'
150: AC_CANONICAL_HOST
151: case "$host_cpu" in
152: hppa*)
1.34 anton 153: machine=hppa
1.46 anton 154: $srcdir/mkinstalldirs arch/hppa
1.38 anton 155: LIBOBJS="$LIBOBJS ../arch/hppa/cache.o"
1.6 pazsan 156: LDFLAGS="-Xlinker -N"
1.47 ! anton 157: LIBS="$LIBS -L/lib/pa1.1/"
1.31 anton 158: if test "${enable_direct_threaded+set}" = ""
159: then
160: AC_DEFINE(DIRECT_THREADED)
161: fi
1.1 anton 162: ;;
163: sparc*)
1.34 anton 164: machine=sparc
1.1 anton 165: ;;
1.31 anton 166: i386)
1.34 anton 167: machine=386
1.16 anton 168: CFLAGS="$CFLAGS -fomit-frame-pointer -fforce-addr -fforce-mem"
1.31 anton 169: if test "${enable_direct_threaded+set}" = "" \
170: -a "${enable_indirect_threaded+set}" = ""
171: then
1.34 anton 172: echo "Using direct threaded code on 386"
1.31 anton 173: AC_DEFINE(DIRECT_THREADED)
174: fi
175: ;;
176: i486)
1.34 anton 177: machine=386
1.31 anton 178: CFLAGS="$CFLAGS -fomit-frame-pointer -fforce-addr -fforce-mem -m486"
179: if test "${enable_direct_threaded+set}" = "" \
180: -a "${enable_indirect_threaded+set}" = ""
181: then
1.34 anton 182: echo "Using direct threaded code on 486"
1.31 anton 183: AC_DEFINE(DIRECT_THREADED)
184: fi
185: ;;
186: i586|i686)
1.34 anton 187: machine=386
1.31 anton 188: CFLAGS="$CFLAGS -fomit-frame-pointer -fforce-addr -fforce-mem -m486"
189: if test "${enable_direct_threaded+set}" = "" \
190: -a "${enable_indirect_threaded+set}" = ""
191: then
1.34 anton 192: echo "Using indirect threaded code on Pentium and up"
1.31 anton 193: AC_DEFINE(INDIRECT_THREADED)
194: fi
1.1 anton 195: ;;
1.26 pazsan 196: m68k)
1.34 anton 197: machine=m68k
1.32 pazsan 198: CFLAGS="$CFLAGS -fomit-frame-pointer"
199: if test "$host_os" = "nextstep3"
200: then
201: LIBOBJS="$LIBOBJS termios.o"
202: fi
1.26 pazsan 203: ;;
1.1 anton 204: mips*)
1.34 anton 205: machine=mips
1.7 anton 206: #link text and data segment into the same 256M region!
1.37 anton 207: AC_MSG_CHECKING([whether the linker accepts -D])
208: OLDLDFLAGS=$LDFLAGS
209: LDFLAGS="$LDFLAGS -Xlinker -T -Xlinker 10000000 -Xlinker -D -Xlinker 10400000"
210: AC_TRY_LINK(,,ac_link_mips_d=yes,ac_link_mips_d=no)
211: test $ac_link_mips_d = yes||LDFLAGS="$OLDLDFLAGS -Xlinker -T -Xlinker 10000000"
212: AC_MSG_RESULT($ac_link_mips_d)
1.1 anton 213: ;;
1.9 pazsan 214: alpha*)
1.34 anton 215: machine=alpha
1.9 pazsan 216: ;;
1.31 anton 217: power*)
1.34 anton 218: machine=power
1.46 anton 219: $srcdir/mkinstalldirs arch/power
1.36 anton 220: AC_CHECK_FUNC(_sync_cache_range,true,LIBOBJS="$LIBOBJS ../arch/power/_sync_cache_range.o")
1.31 anton 221: ;;
1.1 anton 222: *)
223: echo "No direct threading support for $host_cpu, using indirect threading."
1.20 anton 224: echo "Using a generic machine description."
1.1 anton 225: echo "I'll assume that C floats and doubles are represented by IEEE single and"
226: echo "double numbers. If this is not so, SF@ etc. will not work correctly."
1.16 anton 227: echo "FLUSH-ICACHE will do nothing, so END-CODE may not work properly!"
1.34 anton 228: machine=generic
1.1 anton 229: esac
1.10 anton 230: AC_SUBST(host)
1.15 pazsan 231: AC_SUBST(ENGINE_FLAGS)
1.1 anton 232:
1.39 pazsan 233: case "$host_os" in
234: *win32)
235: EXE=".exe"
236: ;;
237: *)
238: EXE=""
239: ;;
240: esac
241: AC_SUBST(EXE)
242:
1.1 anton 243: dnl Now a little support for DOS/DJGCC
1.30 pazsan 244: AC_SUBST(GFORTH_EXE)
245: GFORTH_EXE=""
246: AC_SUBST(GFORTHDITC_EXE)
247: GFORTHDITC_EXE=""
1.1 anton 248:
1.24 anton 249: PATHSEP=":"
250: AC_SUBST(PATHSEP)
251: AC_DEFINE_UNQUOTED(PATHSEP,'$PATHSEP')
1.27 anton 252:
253: AC_SUBST(FORTHSIZES)
1.24 anton 254:
1.1 anton 255: dnl copy commands for systems that don't have links
1.29 pazsan 256: AC_SUBST(LINK_KERNL)
257: LINK_KERNL=""
1.1 anton 258:
259: #if test $host_os=dos
260: #then
261: # echo Configuring for DOS!!!
262: # MAKE_EXE="coff2exe gforth"
1.29 pazsan 263: # LINK_KERNL='$(CP) kernl32l.fi kernel.fi'
1.1 anton 264: #fi
265:
266: dnl the following macro produces a warning with autoconf-2.1
267: AC_C_BIGENDIAN
1.23 pazsan 268: AC_SUBST(KERNEL)
1.1 anton 269: dnl ac_cv_c_bigendian is an undocumented variable of autoconf-2.1
270: if test $ac_cv_c_bigendian = yes; then
271: bytesex=b
1.23 pazsan 272: KERNEL="kernl16b.fi kernl16l.fi kernl32b.fi kernl32l.fi kernl64b.fi kernl64l.fi"
1.1 anton 273: else
274: bytesex=l
1.23 pazsan 275: KERNEL="kernl16l.fi kernl16b.fi kernl32l.fi kernl32b.fi kernl64l.fi kernl64b.fi"
1.1 anton 276: fi
277:
278: dnl Checks for programs.
279: AC_PROG_LN_S
1.34 anton 280: dnl AM_PROG_INSTALL #performed by AM_INIT_AUTOMAKE
1.1 anton 281:
282: dnl Checks for library functions
1.2 anton 283: dnl This check is just for making later checks link with libm.
284: dnl using sin here is no good idea since it is built-into gcc and typechecked
285: AC_CHECK_LIB(m,asin)
1.31 anton 286: AC_CHECK_LIB(dl,dlopen)
1.32 pazsan 287: if test "$host_os" != "nextstep3"
288: then
289: AC_FUNC_MEMCMP
290: fi
1.25 pazsan 291: AC_REPLACE_FUNCS(memmove strtoul pow10 strerror strsignal atanh)
1.44 anton 292: AC_CHECK_FUNCS(dlopen sys_siglist)
1.19 anton 293: AC_DECL_SYS_SIGLIST
1.34 anton 294: AC_CHECK_FUNC(getopt_long,true,LIBOBJS="$LIBOBJS getopt.o getopt1.o")
1.11 anton 295: AC_CHECK_FUNCS(rint expm1 log1p)
1.1 anton 296: AC_REPLACE_FUNCS(ecvt)
297: dnl No check for select, because our replacement is no good under
298: dnl anything but DOS
1.28 anton 299: AC_CHECK_HEADERS(sys/mman.h)
300: AC_CHECK_FUNCS(mmap sysconf getpagesize)
1.34 anton 301: AM_PATH_LISPDIR
1.1 anton 302:
1.23 pazsan 303: kernel_fi=kernl${wordsize}${bytesex}.fi
304: AC_SUBST(kernel_fi)
1.8 anton 305:
1.34 anton 306: AC_SUBST(machine)
307: dnl AC_LINK_FILES(arch/$machine,arch/machine) #no longer needed
1.31 anton 308: AC_OUTPUT([
309: Makefile
1.45 pazsan 310: Makedist
1.43 anton 311: gforthmi
1.35 anton 312: engine/Makefile
1.44 anton 313: doc/version.texi ],
314: echo timestamp > stamp-h
1.43 anton 315: chmod +x gforthmi
1.44 anton 316: test -d kernel||mkdir kernel)
317:
FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>