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| 1 : | anton | 1.1 | dnl Process this file with autoconf to produce a configure script. |
| 2 : | anton | 1.20 | |
| 3 : | #Copyright (C) 1995,1996 Free Software Foundation, Inc. | ||
| 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 : | |||
| 21 : | anton | 1.31 | AC_INIT(engine/engine.c) |
| 22 : | anton | 1.34 | |
| 23 : | dnl We use some automake macros here, | ||
| 24 : | dnl but don't use automake for creating Makefile.in | ||
| 25 : | AM_INIT_AUTOMAKE(gforth,0.4.0) | ||
| 26 : | AM_CONFIG_HEADER(engine/config.h) | ||
| 27 : | AM_CYGWIN32 | ||
| 28 : | anton | 1.14 | |
| 29 : | anton | 1.1 | AC_ARG_ENABLE(force-reg, |
| 30 : | [ --enable-force-reg Use explicit register declarations if they appear in | ||
| 31 : | the machine.h file. This can cause a good speedup, | ||
| 32 : | but also incorrect code with some gcc versions on | ||
| 33 : | some processors (default disabled).], | ||
| 34 : | |||
| 35 : | AC_DEFINE(FORCE_REG)) | ||
| 36 : | dnl this is not quite according to the autoconf manual, it causes a replacement | ||
| 37 : | AC_ARG_ENABLE(direct-threaded, | ||
| 38 : | [ --enable-direct-threaded Force direct threading. This may not work on | ||
| 39 : | some machines and may cause slowdown on others. | ||
| 40 : | (default processor-dependent)], | ||
| 41 : | AC_DEFINE(DIRECT_THREADED)) | ||
| 42 : | AC_ARG_ENABLE(indirect-threaded, | ||
| 43 : | [ --enable-indirect-threaded Force indirect threading. This can cause a | ||
| 44 : | slowdown on some machines. | ||
| 45 : | (default processor-dependent)], | ||
| 46 : | AC_DEFINE(INDIRECT_THREADED)) | ||
| 47 : | |||
| 48 : | pazsan | 1.9 | AC_ARG_WITH(debug, |
| 49 : | anton | 1.10 | [ --with-debug specifies option -g to compile with debug info (default) |
| 50 : | anton | 1.27 | --without-debug omits the -g switch and creates smaller images on |
| 51 : | machines where "strip" has problems with gcc style | ||
| 52 : | debugging informations.], | ||
| 53 : | pazsan | 1.9 | if test "$withval" = "yes"; then DEBUGFLAG=-g; fi) |
| 54 : | |||
| 55 : | anton | 1.16 | CFLAGS=$CFLAGS |
| 56 : | |||
| 57 : | pazsan | 1.15 | AC_PROG_CC |
| 58 : | |||
| 59 : | if test "$GCC" = "yes" | ||
| 60 : | then | ||
| 61 : | echo "Fine, gcc is available" | ||
| 62 : | else | ||
| 63 : | cat <<'EOF' | ||
| 64 : | anton | 1.16 | Gforth requires GCC-2.0 or higher (it uses GNU C extensions). |
| 65 : | It does not work with other C compilers. Please install the GNU C compiler, | ||
| 66 : | and try again (or search for a binary distribution for your platform). | ||
| 67 : | pazsan | 1.15 | EOF |
| 68 : | exit 1 | ||
| 69 : | fi | ||
| 70 : | pazsan | 1.9 | |
| 71 : | pazsan | 1.15 | AC_SUBST(CC) |
| 72 : | pazsan | 1.9 | AC_SUBST(DEBUGFLAG) |
| 73 : | anton | 1.7 | |
| 74 : | anton | 1.10 | dnl the following macro produces a warning with autoconf-2.1 |
| 75 : | AC_CHECK_SIZEOF(char *) | ||
| 76 : | case "$ac_cv_sizeof_char_p" in | ||
| 77 : | 2) | ||
| 78 : | wordsize=16 | ||
| 79 : | ;; | ||
| 80 : | 4) | ||
| 81 : | wordsize=32 | ||
| 82 : | ;; | ||
| 83 : | 8) | ||
| 84 : | wordsize=64 | ||
| 85 : | ;; | ||
| 86 : | esac | ||
| 87 : | pazsan | 1.9 | |
| 88 : | pazsan | 1.23 | AC_CHECK_SIZEOF(short) |
| 89 : | AC_CHECK_SIZEOF(int) | ||
| 90 : | AC_CHECK_SIZEOF(long) | ||
| 91 : | AC_CHECK_SIZEOF(long long) | ||
| 92 : | |||
| 93 : | ac_cv_int_type_cell=none | ||
| 94 : | case "$ac_cv_sizeof_char_p" in | ||
| 95 : | $ac_cv_sizeof_short) | ||
| 96 : | ac_cv_int_type_cell=short | ||
| 97 : | ;; | ||
| 98 : | $ac_cv_sizeof_int) | ||
| 99 : | ac_cv_int_type_cell=int | ||
| 100 : | ;; | ||
| 101 : | $ac_cv_sizeof_long) | ||
| 102 : | ac_cv_int_type_cell=long | ||
| 103 : | ;; | ||
| 104 : | $ac_cv_sizeof_long_long) | ||
| 105 : | ac_cv_int_type_cell="long long" | ||
| 106 : | ;; | ||
| 107 : | esac | ||
| 108 : | pazsan | 1.22 | if test "$ac_cv_int_type_cell" != int; then |
| 109 : | anton | 1.20 | echo "So, sizeof(pointer)!=sizeof(int); looks like a DOS C compiler to me." |
| 110 : | echo "Since you don't have a proper C on this machine, that's one more reason" | ||
| 111 : | echo "to use Forth;-)" | ||
| 112 : | fi | ||
| 113 : | pazsan | 1.23 | AC_DEFINE_UNQUOTED(CELL_TYPE,$ac_cv_int_type_cell) |
| 114 : | |||
| 115 : | ac_cv_int_type_double_cell=none | ||
| 116 : | case `expr 2 '*' "$ac_cv_sizeof_char_p"` in | ||
| 117 : | $ac_cv_sizeof_short) | ||
| 118 : | ac_cv_int_type_double_cell=short | ||
| 119 : | ;; | ||
| 120 : | $ac_cv_sizeof_int) | ||
| 121 : | ac_cv_int_type_double_cell=int | ||
| 122 : | ;; | ||
| 123 : | $ac_cv_sizeof_long) | ||
| 124 : | ac_cv_int_type_double_cell=long | ||
| 125 : | ;; | ||
| 126 : | $ac_cv_sizeof_long_long) | ||
| 127 : | ac_cv_int_type_double_cell="long long" | ||
| 128 : | ;; | ||
| 129 : | esac | ||
| 130 : | anton | 1.21 | if test "$ac_cv_int_type_double_cell" = none; then |
| 131 : | anton | 1.20 | echo "Emulating double-cell arithmetic. This may be slow." |
| 132 : | echo "If you find this unacceptable, ask the GCC maintainers to provide proper" | ||
| 133 : | pazsan | 1.23 | echo 'long longs for your machine (the GCC manual states that they \"are twice as' |
| 134 : | echo "long as \`long int\'\")." | ||
| 135 : | anton | 1.20 | LIBOBJS="$LIBOBJS dblsub.o" |
| 136 : | AC_DEFINE(BUGGY_LONG_LONG) | ||
| 137 : | pazsan | 1.23 | else |
| 138 : | AC_DEFINE_UNQUOTED(DOUBLE_CELL_TYPE,$ac_cv_int_type_double_cell) | ||
| 139 : | anton | 1.20 | fi |
| 140 : | |||
| 141 : | anton | 1.1 | #terminology is a bit unusual here: The host is the system on which |
| 142 : | #gforth will run; the system on which configure will run is the `build' | ||
| 143 : | AC_CANONICAL_HOST | ||
| 144 : | case "$host_cpu" in | ||
| 145 : | hppa*) | ||
| 146 : | anton | 1.34 | machine=hppa |
| 147 : | LIBOBJS="$LIBOBJS cache.o" | ||
| 148 : | pazsan | 1.6 | LDFLAGS="-Xlinker -N" |
| 149 : | LIBS="-L/lib/pa1.1/" | ||
| 150 : | anton | 1.31 | if test "${enable_direct_threaded+set}" = "" |
| 151 : | then | ||
| 152 : | AC_DEFINE(DIRECT_THREADED) | ||
| 153 : | fi | ||
| 154 : | anton | 1.1 | ;; |
| 155 : | sparc*) | ||
| 156 : | anton | 1.34 | machine=sparc |
| 157 : | anton | 1.1 | ;; |
| 158 : | anton | 1.31 | i386) |
| 159 : | anton | 1.34 | machine=386 |
| 160 : | anton | 1.16 | CFLAGS="$CFLAGS -fomit-frame-pointer -fforce-addr -fforce-mem" |
| 161 : | anton | 1.31 | if test "${enable_direct_threaded+set}" = "" \ |
| 162 : | -a "${enable_indirect_threaded+set}" = "" | ||
| 163 : | then | ||
| 164 : | anton | 1.34 | echo "Using direct threaded code on 386" |
| 165 : | anton | 1.31 | AC_DEFINE(DIRECT_THREADED) |
| 166 : | fi | ||
| 167 : | ;; | ||
| 168 : | i486) | ||
| 169 : | anton | 1.34 | machine=386 |
| 170 : | anton | 1.31 | CFLAGS="$CFLAGS -fomit-frame-pointer -fforce-addr -fforce-mem -m486" |
| 171 : | if test "${enable_direct_threaded+set}" = "" \ | ||
| 172 : | -a "${enable_indirect_threaded+set}" = "" | ||
| 173 : | then | ||
| 174 : | anton | 1.34 | echo "Using direct threaded code on 486" |
| 175 : | anton | 1.31 | AC_DEFINE(DIRECT_THREADED) |
| 176 : | fi | ||
| 177 : | ;; | ||
| 178 : | i586|i686) | ||
| 179 : | anton | 1.34 | machine=386 |
| 180 : | anton | 1.31 | CFLAGS="$CFLAGS -fomit-frame-pointer -fforce-addr -fforce-mem -m486" |
| 181 : | if test "${enable_direct_threaded+set}" = "" \ | ||
| 182 : | -a "${enable_indirect_threaded+set}" = "" | ||
| 183 : | then | ||
| 184 : | anton | 1.34 | echo "Using indirect threaded code on Pentium and up" |
| 185 : | anton | 1.31 | AC_DEFINE(INDIRECT_THREADED) |
| 186 : | fi | ||
| 187 : | anton | 1.1 | ;; |
| 188 : | pazsan | 1.26 | m68k) |
| 189 : | anton | 1.34 | machine=m68k |
| 190 : | pazsan | 1.32 | CFLAGS="$CFLAGS -fomit-frame-pointer" |
| 191 : | if test "$host_os" = "nextstep3" | ||
| 192 : | then | ||
| 193 : | LIBOBJS="$LIBOBJS termios.o" | ||
| 194 : | fi | ||
| 195 : | pazsan | 1.26 | ;; |
| 196 : | anton | 1.1 | mips*) |
| 197 : | anton | 1.34 | machine=mips |
| 198 : | anton | 1.7 | #link text and data segment into the same 256M region! |
| 199 : | anton | 1.37 | AC_MSG_CHECKING([whether the linker accepts -D]) |
| 200 : | OLDLDFLAGS=$LDFLAGS | ||
| 201 : | LDFLAGS="$LDFLAGS -Xlinker -T -Xlinker 10000000 -Xlinker -D -Xlinker 10400000" | ||
| 202 : | AC_TRY_LINK(,,ac_link_mips_d=yes,ac_link_mips_d=no) | ||
| 203 : | test $ac_link_mips_d = yes||LDFLAGS="$OLDLDFLAGS -Xlinker -T -Xlinker 10000000" | ||
| 204 : | AC_MSG_RESULT($ac_link_mips_d) | ||
| 205 : | anton | 1.1 | ;; |
| 206 : | pazsan | 1.9 | alpha*) |
| 207 : | anton | 1.34 | machine=alpha |
| 208 : | pazsan | 1.9 | ;; |
| 209 : | anton | 1.31 | power*) |
| 210 : | anton | 1.34 | machine=power |
| 211 : | anton | 1.36 | AC_CHECK_FUNC(_sync_cache_range,true,LIBOBJS="$LIBOBJS ../arch/power/_sync_cache_range.o") |
| 212 : | anton | 1.31 | ;; |
| 213 : | anton | 1.1 | *) |
| 214 : | echo "No direct threading support for $host_cpu, using indirect threading." | ||
| 215 : | anton | 1.20 | echo "Using a generic machine description." |
| 216 : | anton | 1.1 | echo "I'll assume that C floats and doubles are represented by IEEE single and" |
| 217 : | echo "double numbers. If this is not so, SF@ etc. will not work correctly." | ||
| 218 : | anton | 1.16 | echo "FLUSH-ICACHE will do nothing, so END-CODE may not work properly!" |
| 219 : | anton | 1.34 | machine=generic |
| 220 : | anton | 1.1 | esac |
| 221 : | anton | 1.10 | AC_SUBST(host) |
| 222 : | pazsan | 1.15 | AC_SUBST(ENGINE_FLAGS) |
| 223 : | anton | 1.1 | |
| 224 : | dnl Now a little support for DOS/DJGCC | ||
| 225 : | pazsan | 1.30 | AC_SUBST(GFORTH_EXE) |
| 226 : | GFORTH_EXE="" | ||
| 227 : | AC_SUBST(GFORTHDITC_EXE) | ||
| 228 : | GFORTHDITC_EXE="" | ||
| 229 : | anton | 1.1 | |
| 230 : | anton | 1.24 | PATHSEP=":" |
| 231 : | AC_SUBST(PATHSEP) | ||
| 232 : | AC_DEFINE_UNQUOTED(PATHSEP,'$PATHSEP') | ||
| 233 : | anton | 1.27 | |
| 234 : | AC_SUBST(FORTHSIZES) | ||
| 235 : | anton | 1.24 | |
| 236 : | anton | 1.1 | dnl copy commands for systems that don't have links |
| 237 : | pazsan | 1.29 | AC_SUBST(LINK_KERNL) |
| 238 : | LINK_KERNL="" | ||
| 239 : | anton | 1.1 | |
| 240 : | #if test $host_os=dos | ||
| 241 : | #then | ||
| 242 : | # echo Configuring for DOS!!! | ||
| 243 : | # MAKE_EXE="coff2exe gforth" | ||
| 244 : | pazsan | 1.29 | # LINK_KERNL='$(CP) kernl32l.fi kernel.fi' |
| 245 : | anton | 1.1 | #fi |
| 246 : | |||
| 247 : | dnl the following macro produces a warning with autoconf-2.1 | ||
| 248 : | AC_C_BIGENDIAN | ||
| 249 : | pazsan | 1.23 | AC_SUBST(KERNEL) |
| 250 : | anton | 1.1 | dnl ac_cv_c_bigendian is an undocumented variable of autoconf-2.1 |
| 251 : | if test $ac_cv_c_bigendian = yes; then | ||
| 252 : | bytesex=b | ||
| 253 : | pazsan | 1.23 | KERNEL="kernl16b.fi kernl16l.fi kernl32b.fi kernl32l.fi kernl64b.fi kernl64l.fi" |
| 254 : | anton | 1.1 | else |
| 255 : | bytesex=l | ||
| 256 : | pazsan | 1.23 | KERNEL="kernl16l.fi kernl16b.fi kernl32l.fi kernl32b.fi kernl64l.fi kernl64b.fi" |
| 257 : | anton | 1.1 | fi |
| 258 : | |||
| 259 : | dnl Checks for programs. | ||
| 260 : | AC_PROG_LN_S | ||
| 261 : | anton | 1.34 | dnl AM_PROG_INSTALL #performed by AM_INIT_AUTOMAKE |
| 262 : | anton | 1.1 | |
| 263 : | dnl Checks for library functions | ||
| 264 : | anton | 1.2 | dnl This check is just for making later checks link with libm. |
| 265 : | dnl using sin here is no good idea since it is built-into gcc and typechecked | ||
| 266 : | AC_CHECK_LIB(m,asin) | ||
| 267 : | anton | 1.31 | AC_CHECK_FUNCS(dlopen) |
| 268 : | AC_CHECK_LIB(dl,dlopen) | ||
| 269 : | AC_CHECK_LIB(kernel32,GetModuleHandle) | ||
| 270 : | pazsan | 1.32 | if test "$host_os" != "nextstep3" |
| 271 : | then | ||
| 272 : | AC_FUNC_MEMCMP | ||
| 273 : | fi | ||
| 274 : | pazsan | 1.25 | AC_REPLACE_FUNCS(memmove strtoul pow10 strerror strsignal atanh) |
| 275 : | anton | 1.17 | AC_CHECK_FUNCS(sys_siglist) |
| 276 : | anton | 1.19 | AC_DECL_SYS_SIGLIST |
| 277 : | anton | 1.34 | AC_CHECK_FUNC(getopt_long,true,LIBOBJS="$LIBOBJS getopt.o getopt1.o") |
| 278 : | anton | 1.11 | AC_CHECK_FUNCS(rint expm1 log1p) |
| 279 : | anton | 1.1 | AC_REPLACE_FUNCS(ecvt) |
| 280 : | dnl No check for select, because our replacement is no good under | ||
| 281 : | dnl anything but DOS | ||
| 282 : | anton | 1.28 | AC_CHECK_HEADERS(sys/mman.h) |
| 283 : | AC_CHECK_FUNCS(mmap sysconf getpagesize) | ||
| 284 : | anton | 1.34 | AM_PATH_LISPDIR |
| 285 : | anton | 1.1 | |
| 286 : | pazsan | 1.23 | kernel_fi=kernl${wordsize}${bytesex}.fi |
| 287 : | AC_SUBST(kernel_fi) | ||
| 288 : | anton | 1.8 | |
| 289 : | anton | 1.34 | AC_SUBST(machine) |
| 290 : | dnl AC_LINK_FILES(arch/$machine,arch/machine) #no longer needed | ||
| 291 : | anton | 1.31 | AC_OUTPUT([ |
| 292 : | Makefile | ||
| 293 : | anton | 1.35 | engine/Makefile |
| 294 : | doc/version.texi ],echo timestamp > stamp-h) |
|
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