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| 1 : | anton | 1.1 | dnl Process this file with autoconf to produce a configure script. |
| 2 : | anton | 1.20 | |
| 3 : | anton | 1.117 | #Copyright (C) 1995,1996,1997,1998,2000,2003 Free Software Foundation, Inc. |
| 4 : | anton | 1.20 | |
| 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 : | anton | 1.74 | #Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA. |
| 20 : | anton | 1.20 | |
| 21 : | anton | 1.121 | |
| 22 : | anton | 1.34 | dnl We use some automake macros here, |
| 23 : | dnl but don't use automake for creating Makefile.in | ||
| 24 : | anton | 1.136 | AC_INIT([gforth],[0.6.2-20030910],[https://savannah.gnu.org/bugs/?func=addbug&group=gforth]) |
| 25 : | anton | 1.113 | AC_PREREQ(2.54) |
| 26 : | anton | 1.47 | #snapshots have numbers major.minor.release-YYYYMMDD |
| 27 : | anton | 1.92 | #note that lexicographic ordering must be heeded. |
| 28 : | anton | 1.47 | #I.e., 0.4.1-YYYYMMDD must not exist before 0.4.1! |
| 29 : | anton | 1.136 | UPDATED="September 10, 2003" |
| 30 : | anton | 1.84 | AC_SUBST(UPDATED) |
| 31 : | anton | 1.94 | AC_CONFIG_HEADERS(engine/config.h) |
| 32 : | anton | 1.14 | |
| 33 : | anton | 1.121 | #suppress the "-g -O2" default |
| 34 : | test "$CFLAGS" || CFLAGS=-O2 | ||
| 35 : | |||
| 36 : | anton | 1.1 | AC_ARG_ENABLE(force-reg, |
| 37 : | [ --enable-force-reg Use explicit register declarations if they appear in | ||
| 38 : | the machine.h file. This can cause a good speedup, | ||
| 39 : | but also incorrect code with some gcc versions on | ||
| 40 : | some processors (default disabled).], | ||
| 41 : | pazsan | 1.89 | AC_DEFINE(FORCE_REG,,[Define if you want to use explicit register declarations for better performance or for more convenient CODE words (does not work with all GCC versions on all machines)])) |
| 42 : | anton | 1.135 | AC_SUBST(PROFEXES) |
| 43 : | AC_SUBST(PROFOBJS) | ||
| 44 : | AC_ARG_ENABLE(prof, | ||
| 45 : | [ --enable-prof Build gforth-prof, which outputs frequently occuring | ||
| 46 : | sequences of primitives.], | ||
| 47 : | PROFEXES="gforth-prof\$(EXE)"; PROFOBJS="engine-prof.o main-prof.o profile.o") | ||
| 48 : | anton | 1.1 | |
| 49 : | pazsan | 1.9 | AC_ARG_WITH(debug, |
| 50 : | pazsan | 1.122 | [ --with-debug specifies option -g to compile with debug info |
| 51 : | --without-debug omits the -g switch and creates smaller images on | ||
| 52 : | machines where "strip" has problems with gcc style | ||
| 53 : | debugging informations.], | ||
| 54 : | pazsan | 1.9 | if test "$withval" = "yes"; then DEBUGFLAG=-g; fi) |
| 55 : | pazsan | 1.122 | |
| 56 : | anton | 1.104 | dnl PEEPHOLE="yes" |
| 57 : | dnl AC_ARG_WITH(peephole, | ||
| 58 : | dnl [ --with-peephole Enable peephole optimization (default) | ||
| 59 : | dnl --without-peephole disables peephole optimization. Creates smaller, | ||
| 60 : | dnl but slower images.], | ||
| 61 : | dnl PEEPHOLE="$withval") | ||
| 62 : | |||
| 63 : | #variables mentioned in INSTALL | ||
| 64 : | anton | 1.123 | AC_ARG_VAR(CC, [The C compiler (must support GNU C 2.x); gcc-2.95 recommended.]) |
| 65 : | anton | 1.104 | AC_ARG_VAR(FORTHSIZES, [Gforth command line options for the default stack and dictionary sizes (see INSTALL).]) |
| 66 : | AC_ARG_VAR(ac_cv_sizeof_char_p, [sizeof(char *)]) | ||
| 67 : | AC_ARG_VAR(ac_cv_sizeof_char, [sizeof(char)]) | ||
| 68 : | AC_ARG_VAR(ac_cv_sizeof_short, [sizeof(short)]) | ||
| 69 : | AC_ARG_VAR(ac_cv_sizeof_int, [sizeof(int)]) | ||
| 70 : | AC_ARG_VAR(ac_cv_sizeof_long, [sizeof(long)]) | ||
| 71 : | AC_ARG_VAR(ac_cv_sizeof_long_long, [sizeof(long long)]) | ||
| 72 : | AC_ARG_VAR(ac_cv_sizeof_intptr_t, [sizeof(intptr_t)]) | ||
| 73 : | AC_ARG_VAR(ac_cv_sizeof_int128_t, [sizeof(int128_t)]) | ||
| 74 : | anton | 1.123 | AC_ARG_VAR(ac_cv_c_bigendian, [Is the target big-endian ("yes" or "no")?]) |
| 75 : | AC_ARG_VAR(no_dynamic_default, [run gforth with --dynamic (0) or --no-dynamic (1) by default]) | ||
| 76 : | anton | 1.136 | AC_ARG_VAR(skip_code, [assembly code for skipping 16 bytes of code]) |
| 77 : | anton | 1.82 | |
| 78 : | anton | 1.96 | #set up feature test macros, so the tests get them right: |
| 79 : | # turn on all POSIX, SUSv3, and GNU features if available | ||
| 80 : | anton | 1.97 | AC_GNU_SOURCE |
| 81 : | dnl AC_DEFINE_UNQUOTED([_GNU_SOURCE],1,[feature test macro]) | ||
| 82 : | |||
| 83 : | dnl Don't define _POSIX_SOURCE etc. because some OSs (in particular | ||
| 84 : | dnl MacOSX) disable some features then (MacOSX checks for _POSIX_SOURCE, | ||
| 85 : | dnl but not for _XOPEN_SOURCE) | ||
| 86 : | dnl AC_DEFINE_UNQUOTED([_POSIX_SOURCE],1,[feature test macro]) | ||
| 87 : | dnl AC_DEFINE_UNQUOTED([_POSIX_C_SOURCE],199506L,[feature test macro]) | ||
| 88 : | dnl AC_DEFINE_UNQUOTED([_XOPEN_SOURCE],600,[feature test macro]) | ||
| 89 : | anton | 1.96 | # turn on large file support with 64-bit off_t where available |
| 90 : | anton | 1.105 | AC_SYS_LARGEFILE |
| 91 : | dnl AC_DEFINE_UNQUOTED([_LARGEFILE_SOURCE],1,[feature test macro]) | ||
| 92 : | dnl AC_DEFINE_UNQUOTED([_FILE_OFFSET_BITS],64,[feature test macro]) | ||
| 93 : | anton | 1.96 | |
| 94 : | anton | 1.82 | #currently we force direct threading this way. Eventually we should |
| 95 : | #setup in the arch and engine files right | ||
| 96 : | anton | 1.16 | |
| 97 : | pazsan | 1.15 | AC_PROG_CC |
| 98 : | |||
| 99 : | anton | 1.92 | test "$GCC" = "yes" || AC_MSG_ERROR(Gforth uses GNU C extensions and requires GCC 2.0 or higher) |
| 100 : | pazsan | 1.9 | |
| 101 : | pazsan | 1.15 | AC_SUBST(CC) |
| 102 : | pazsan | 1.9 | AC_SUBST(DEBUGFLAG) |
| 103 : | anton | 1.7 | |
| 104 : | pazsan | 1.128 | AC_MSG_CHECKING(make type) |
| 105 : | make_type=`make -v 2>&1|grep 'ake version'|sed 's/ version .*//'` | ||
| 106 : | |||
| 107 : | GNUMAKE='#' | ||
| 108 : | test "$make_type" = "GNU Make" && GNUMAKE='' | ||
| 109 : | |||
| 110 : | AC_MSG_RESULT($make_type) | ||
| 111 : | |||
| 112 : | AC_SUBST(GNUMAKE) | ||
| 113 : | |||
| 114 : | jwilke | 1.50 | AC_MSG_CHECKING([whether the linker accepts -export-dynamic]) |
| 115 : | OLDLDFLAGS=$LDFLAGS | ||
| 116 : | LDFLAGS="$LDFLAGS -export-dynamic" | ||
| 117 : | anton | 1.69 | dnl AC_TRY_LINK gives false positive on rs6000-ibm-aix4.2.1.0 |
| 118 : | dnl AC_TRY_LINK(,,ac_export_dynamic=yes,ac_export_dynamic=no) | ||
| 119 : | AC_TRY_RUN(main(){exit(0);},ac_export_dynamic=yes,ac_export_dynamic=no,ac_export_dynamic=no) | ||
| 120 : | jwilke | 1.50 | test $ac_export_dynamic = yes|| LDFLAGS=$OLDLDFLAGS |
| 121 : | AC_MSG_RESULT($ac_export_dynamic) | ||
| 122 : | |||
| 123 : | anton | 1.1 | #terminology is a bit unusual here: The host is the system on which |
| 124 : | #gforth will run; the system on which configure will run is the `build' | ||
| 125 : | AC_CANONICAL_HOST | ||
| 126 : | case "$host_cpu" in | ||
| 127 : | anton | 1.136 | arm*) |
| 128 : | machine=arm | ||
| 129 : | CFLAGS="$CFLAGS -fomit-frame-pointer" | ||
| 130 : | if test -z $no_dynamic_default; then | ||
| 131 : | no_dynamic_default=1 | ||
| 132 : | AC_MSG_WARN([No I-cache flush code known, disabling dynamic native code generation]) | ||
| 133 : | fi | ||
| 134 : | ;; | ||
| 135 : | anton | 1.1 | hppa*) |
| 136 : | anton | 1.34 | machine=hppa |
| 137 : | anton | 1.46 | $srcdir/mkinstalldirs arch/hppa |
| 138 : | pazsan | 1.87 | AC_LIBOBJ(../arch/hppa/cache) |
| 139 : | anton | 1.134 | #-N needed for --dynamic <M4U3b.3790$9d.317@news.cpqcorp.net> |
| 140 : | LDFLAGS="$LDFLAGS -Xlinker -N" | ||
| 141 : | anton | 1.47 | LIBS="$LIBS -L/lib/pa1.1/" |
| 142 : | anton | 1.1 | ;; |
| 143 : | sparc*) | ||
| 144 : | anton | 1.34 | machine=sparc |
| 145 : | anton | 1.1 | ;; |
| 146 : | anton | 1.31 | i386) |
| 147 : | anton | 1.34 | machine=386 |
| 148 : | anton | 1.16 | CFLAGS="$CFLAGS -fomit-frame-pointer -fforce-addr -fforce-mem" |
| 149 : | anton | 1.31 | ;; |
| 150 : | i486) | ||
| 151 : | anton | 1.34 | machine=386 |
| 152 : | anton | 1.31 | CFLAGS="$CFLAGS -fomit-frame-pointer -fforce-addr -fforce-mem -m486" |
| 153 : | ;; | ||
| 154 : | anton | 1.77 | i*86) |
| 155 : | anton | 1.34 | machine=386 |
| 156 : | anton | 1.55 | CFLAGS="$CFLAGS -fomit-frame-pointer -fforce-addr -fforce-mem" |
| 157 : | pazsan | 1.56 | CFLAGS_1="$CFLAGS" |
| 158 : | pazsan | 1.87 | CFLAGS="$CFLAGS -march=pentium" |
| 159 : | pazsan | 1.56 | AC_TRY_COMPILE(,,,CFLAGS="$CFLAGS_1 -m486") |
| 160 : | anton | 1.1 | ;; |
| 161 : | anton | 1.133 | x86_64) |
| 162 : | machine=amd64 | ||
| 163 : | ;; | ||
| 164 : | anton | 1.136 | ia64*) |
| 165 : | machine=ia64 | ||
| 166 : | AC_LIBOBJ(../arch/ia64/flush_icache_block) | ||
| 167 : | test "$skipcode" || skipcode="nop.i 0" | ||
| 168 : | #".skip 16" passes the test below, | ||
| 169 : | # but gives an assembler error in engine | ||
| 170 : | ;; | ||
| 171 : | pazsan | 1.26 | m68k) |
| 172 : | anton | 1.34 | machine=m68k |
| 173 : | pazsan | 1.32 | CFLAGS="$CFLAGS -fomit-frame-pointer" |
| 174 : | if test "$host_os" = "nextstep3" | ||
| 175 : | then | ||
| 176 : | pazsan | 1.87 | AC_LIBOBJ(termios) |
| 177 : | pazsan | 1.32 | fi |
| 178 : | pazsan | 1.26 | ;; |
| 179 : | anton | 1.1 | mips*) |
| 180 : | anton | 1.34 | machine=mips |
| 181 : | anton | 1.92 | #dynamic native code has the following problems on MIPS: |
| 182 : | # | ||
| 183 : | #1) J/JAL seems relocatable, but is are only | ||
| 184 : | #relocatable within a 256MB-segment. While we try to | ||
| 185 : | #get the linker to arrange this, there is no guarantee | ||
| 186 : | #that this will succeed (and if the user uses a lot of | ||
| 187 : | #memory, it is likely to fail). | ||
| 188 : | # | ||
| 189 : | #2) The way we generate dynamic native code may | ||
| 190 : | #violate MIPS architectural restrictions (in | ||
| 191 : | #particular, the delay slots of LW, MFLO, etc.) | ||
| 192 : | # | ||
| 193 : | #Therefore we disable dynamic native code by default: | ||
| 194 : | anton | 1.136 | if test -z $no_dynamic_default; then |
| 195 : | no_dynamic_default=1 | ||
| 196 : | AC_MSG_WARN([Disabling default dynamic native code generation (relocation and delay slot issues)]) | ||
| 197 : | fi | ||
| 198 : | anton | 1.1 | ;; |
| 199 : | pazsan | 1.9 | alpha*) |
| 200 : | anton | 1.34 | machine=alpha |
| 201 : | anton | 1.58 | #full IEEE FP support for more uniformity across platforms: |
| 202 : | CFLAGS="$CFLAGS -mieee" | ||
| 203 : | pazsan | 1.9 | ;; |
| 204 : | anton | 1.69 | power*|rs6000) |
| 205 : | anton | 1.34 | machine=power |
| 206 : | anton | 1.46 | $srcdir/mkinstalldirs arch/power |
| 207 : | pazsan | 1.87 | AC_CHECK_FUNC(_sync_cache_range,true,AC_LIBOBJ(../arch/power/_sync_cache_range)) |
| 208 : | anton | 1.103 | #long long is broken on (at least) gcc-2.95.* for PPC |
| 209 : | anton | 1.104 | test x$ac_cv_sizeof_long_long = x && ac_cv_sizeof_long_long=0 |
| 210 : | anton | 1.31 | ;; |
| 211 : | anton | 1.1 | *) |
| 212 : | anton | 1.92 | AC_MSG_WARN([Using a generic machine description]) |
| 213 : | AC_MSG_WARN([Assuming C floats and doubles are IEEE floats and doubles (for SF@ DF@ SF! DF!)]) | ||
| 214 : | AC_MSG_WARN([FLUSH-ICACHE will do nothing, so END-CODE may not work properly!]) | ||
| 215 : | anton | 1.34 | machine=generic |
| 216 : | anton | 1.97 | #I-cache flushing would be needed for dynamic code generation |
| 217 : | anton | 1.136 | if test -z $no_dynamic_default; then |
| 218 : | no_dynamic_default=1 | ||
| 219 : | AC_MSG_WARN([No I-cache flush code known, disabling dynamic native code generation]) | ||
| 220 : | fi | ||
| 221 : | anton | 1.1 | esac |
| 222 : | anton | 1.10 | AC_SUBST(host) |
| 223 : | anton | 1.103 | |
| 224 : | dnl the following macro produces a warning with autoconf-2.1 | ||
| 225 : | AC_CHECK_SIZEOF(char *) | ||
| 226 : | case "$ac_cv_sizeof_char_p" in | ||
| 227 : | 2) | ||
| 228 : | wordsize=16 | ||
| 229 : | ;; | ||
| 230 : | 4) | ||
| 231 : | wordsize=32 | ||
| 232 : | ;; | ||
| 233 : | 8) | ||
| 234 : | wordsize=64 | ||
| 235 : | ;; | ||
| 236 : | esac | ||
| 237 : | |||
| 238 : | AC_CHECK_SIZEOF(char) | ||
| 239 : | AC_CHECK_SIZEOF(short) | ||
| 240 : | AC_CHECK_SIZEOF(int) | ||
| 241 : | AC_CHECK_SIZEOF(long) | ||
| 242 : | AC_CHECK_SIZEOF(long long) | ||
| 243 : | AC_CHECK_SIZEOF(intptr_t) | ||
| 244 : | AC_CHECK_SIZEOF(int128_t) | ||
| 245 : | |||
| 246 : | AC_MSG_CHECKING([for a C type for cells]) | ||
| 247 : | ac_cv_int_type_cell=none | ||
| 248 : | case "$ac_cv_sizeof_char_p" in | ||
| 249 : | $ac_cv_sizeof_int) | ||
| 250 : | ac_cv_int_type_cell=int | ||
| 251 : | ;; | ||
| 252 : | $ac_cv_sizeof_short) | ||
| 253 : | ac_cv_int_type_cell=short | ||
| 254 : | ;; | ||
| 255 : | $ac_cv_sizeof_char) | ||
| 256 : | ac_cv_int_type_cell=char | ||
| 257 : | ;; | ||
| 258 : | $ac_cv_sizeof_long) | ||
| 259 : | ac_cv_int_type_cell=long | ||
| 260 : | ;; | ||
| 261 : | $ac_cv_sizeof_long_long) | ||
| 262 : | ac_cv_int_type_cell="long long" | ||
| 263 : | ;; | ||
| 264 : | $ac_cv_sizeof_intptr_t) | ||
| 265 : | ac_cv_int_type_cell="intptr_t" | ||
| 266 : | ;; | ||
| 267 : | $ac_cv_sizeof_int128_t) | ||
| 268 : | ac_cv_int_type_cell="int128_t" | ||
| 269 : | ;; | ||
| 270 : | esac | ||
| 271 : | AC_MSG_RESULT($ac_cv_int_type_cell) | ||
| 272 : | AC_DEFINE_UNQUOTED(CELL_TYPE,$ac_cv_int_type_cell,[an integer type that is as long as a pointer]) | ||
| 273 : | |||
| 274 : | AC_MSG_CHECKING([for a C type for double-cells]) | ||
| 275 : | ac_cv_int_type_double_cell=none | ||
| 276 : | case `expr 2 '*' "$ac_cv_sizeof_char_p"` in | ||
| 277 : | $ac_cv_sizeof_short) | ||
| 278 : | ac_cv_int_type_double_cell=short | ||
| 279 : | ;; | ||
| 280 : | $ac_cv_sizeof_int) | ||
| 281 : | ac_cv_int_type_double_cell=int | ||
| 282 : | ;; | ||
| 283 : | $ac_cv_sizeof_long) | ||
| 284 : | ac_cv_int_type_double_cell=long | ||
| 285 : | ;; | ||
| 286 : | $ac_cv_sizeof_long_long) | ||
| 287 : | ac_cv_int_type_double_cell="long long" | ||
| 288 : | ;; | ||
| 289 : | $ac_cv_sizeof_intptr_t) | ||
| 290 : | ac_cv_int_type_double_cell="intptr_t" | ||
| 291 : | ;; | ||
| 292 : | $ac_cv_sizeof_int128_t) | ||
| 293 : | ac_cv_int_type_double_cell="int128_t" | ||
| 294 : | ;; | ||
| 295 : | esac | ||
| 296 : | AC_MSG_RESULT($ac_cv_int_type_double_cell) | ||
| 297 : | if test "$ac_cv_int_type_double_cell" = none; then | ||
| 298 : | AC_MSG_WARN([Emulating double-cell arithmetic. This may be slow.]) | ||
| 299 : | AC_LIBOBJ(dblsub) | ||
| 300 : | AC_DEFINE(BUGGY_LONG_LONG,,[define this if there is no working DOUBLE_CELL_TYPE on your machine]) | ||
| 301 : | else | ||
| 302 : | AC_DEFINE_UNQUOTED(DOUBLE_CELL_TYPE,$ac_cv_int_type_double_cell,[an integer type that is twice as long as a pointer]) | ||
| 303 : | fi | ||
| 304 : | |||
| 305 : | AC_TYPE_OFF_T | ||
| 306 : | AC_CHECK_SIZEOF(off_t) | ||
| 307 : | test $ac_cv_sizeof_off_t -gt $ac_cv_sizeof_char_p | ||
| 308 : | ac_small_off_t=$? | ||
| 309 : | AC_DEFINE_UNQUOTED(SMALL_OFF_T,$ac_small_off_t,[1 if off_t fits in a Cell]) | ||
| 310 : | anton | 1.1 | |
| 311 : | anton | 1.109 | ENGINE_FLAGS= |
| 312 : | AC_SUBST(ENGINE_FLAGS) | ||
| 313 : | |||
| 314 : | # Try if GCC understands -fno-gcse | ||
| 315 : | |||
| 316 : | AC_MSG_CHECKING([if $CC understands -fno-gcse]) | ||
| 317 : | CFLAGS_1="$CFLAGS" | ||
| 318 : | CFLAGS="$CFLAGS -fno-gcse" | ||
| 319 : | AC_TRY_COMPILE(,,ac_nogcse=yes;ENGINE_FLAGS="$ENGINE_FLAGS -fno-gcse",ac_nogcse=no) | ||
| 320 : | CFLAGS="$CFLAGS_1" | ||
| 321 : | AC_MSG_RESULT($ac_nogcse) | ||
| 322 : | |||
| 323 : | # Try if GCC understands -fno-strict-aliasing | ||
| 324 : | AC_MSG_CHECKING([if $CC understands -fno-strict-aliasing]) | ||
| 325 : | CFLAGS_1="$CFLAGS" | ||
| 326 : | CFLAGS="$CFLAGS -fno-strict-aliasing" | ||
| 327 : | AC_TRY_COMPILE(,,ac_nostrictaliasing=yes;ENGINE_FLAGS="$ENGINE_FLAGS -fno-strict-aliasing",ac_nostrictaliasing=no) | ||
| 328 : | CFLAGS="$CFLAGS_1" | ||
| 329 : | AC_MSG_RESULT($ac_nostrictaliasing) | ||
| 330 : | |||
| 331 : | anton | 1.123 | # Try if GCC understands -fno-crossjumping |
| 332 : | AC_MSG_CHECKING([if $CC understands -fno-crossjumping]) | ||
| 333 : | pazsan | 1.88 | CFLAGS_1="$CFLAGS" |
| 334 : | anton | 1.123 | CFLAGS="$CFLAGS -fno-crossjumping" |
| 335 : | anton | 1.125 | AC_TRY_COMPILE(,,ac_nocrossjumping=yes;ENGINE_FLAGS="$ENGINE_FLAGS -fno-crossjumping",ac_nocrossjumping=no) |
| 336 : | anton | 1.109 | CFLAGS="$CFLAGS_1" |
| 337 : | pazsan | 1.124 | AC_MSG_RESULT($ac_nocrossjumping) |
| 338 : | pazsan | 1.88 | |
| 339 : | pazsan | 1.137 | # Try if GCC understands -fno-reorder-blocks |
| 340 : | AC_MSG_CHECKING([if $CC understands -fno-reorder-blocks]) | ||
| 341 : | CFLAGS_1="$CFLAGS" | ||
| 342 : | CFLAGS="$CFLAGS -fno-reorder-blocks" | ||
| 343 : | AC_TRY_COMPILE(,,ac_noreorder_blocks=yes;ENGINE_FLAGS="$ENGINE_FLAGS -fno-reorder-blocks",ac_noreorder_blocks=no) | ||
| 344 : | CFLAGS="$CFLAGS_1" | ||
| 345 : | AC_MSG_RESULT($ac_noreorder_blocks) | ||
| 346 : | |||
| 347 : | anton | 1.130 | # Try if GCC understands __attribute__((unused)) |
| 348 : | AC_MSG_CHECKING([how to suppress 'unused variable' warnings]) | ||
| 349 : | AC_TRY_COMPILE(,[int __attribute__((unused)) foo;], MAYBE_UNUSED='__attribute__((unused))',) | ||
| 350 : | AC_DEFINE_UNQUOTED(MAYBE_UNUSED,$MAYBE_UNUSED,[attribute for possibly unused variables]) | ||
| 351 : | AC_MSG_RESULT($MAYBE_UNUSED) | ||
| 352 : | |||
| 353 : | anton | 1.66 | AC_CHECK_PROG(asm_fs,asm.fs,arch/$machine/asm.fs,,$srcdir/arch/$machine) |
| 354 : | anton | 1.61 | AC_SUBST(asm_fs) |
| 355 : | |||
| 356 : | anton | 1.66 | AC_CHECK_PROG(disasm_fs,disasm.fs,arch/$machine/disasm.fs,,$srcdir/arch/$machine) |
| 357 : | anton | 1.61 | AC_SUBST(disasm_fs) |
| 358 : | |||
| 359 : | anton | 1.116 | AC_PATH_PROG(INSTALL_INFO,install-info,[echo '>>>>Please make info dir entry:'],$PATH:/sbin:/usr/sbin:/usr/local/sbin) |
| 360 : | anton | 1.114 | |
| 361 : | pazsan | 1.39 | case "$host_os" in |
| 362 : | anton | 1.107 | *win32|cygwin) |
| 363 : | anton | 1.108 | DIRSEP="\\\\" |
| 364 : | anton | 1.127 | PATHSEP=";" |
| 365 : | pazsan | 1.39 | ;; |
| 366 : | anton | 1.97 | *darwin*) |
| 367 : | #Darwin uses some funny preprocessor by default; eliminate it: | ||
| 368 : | anton | 1.127 | AC_MSG_NOTICE([using -no-cpp-precomp on Darwin]) |
| 369 : | anton | 1.120 | CFLAGS="$CFLAGS -no-cpp-precomp" |
| 370 : | anton | 1.98 | DIRSEP="/" |
| 371 : | anton | 1.127 | PATHSEP=":" |
| 372 : | anton | 1.98 | ;; |
| 373 : | pazsan | 1.39 | *) |
| 374 : | pazsan | 1.88 | DIRSEP="/" |
| 375 : | anton | 1.127 | PATHSEP=":" |
| 376 : | pazsan | 1.39 | ;; |
| 377 : | esac | ||
| 378 : | pazsan | 1.88 | AC_SUBST(DIRSEP) |
| 379 : | pazsan | 1.89 | AC_DEFINE_UNQUOTED(DIRSEP,'$DIRSEP',[a directory separator character]) |
| 380 : | anton | 1.127 | AC_SUBST(PATHSEP) |
| 381 : | AC_DEFINE_UNQUOTED(PATHSEP,'$PATHSEP',[a path separator character]) | ||
| 382 : | |||
| 383 : | pazsan | 1.39 | |
| 384 : | anton | 1.1 | dnl Now a little support for DOS/DJGCC |
| 385 : | pazsan | 1.30 | AC_SUBST(GFORTH_EXE) |
| 386 : | GFORTH_EXE="" | ||
| 387 : | anton | 1.48 | AC_SUBST(GFORTHFAST_EXE) |
| 388 : | GFORTHFAST_EXE="" | ||
| 389 : | anton | 1.83 | AC_SUBST(GFORTHITC_EXE) |
| 390 : | GFORTHITC_EXE="" | ||
| 391 : | pazsan | 1.30 | AC_SUBST(GFORTHDITC_EXE) |
| 392 : | GFORTHDITC_EXE="" | ||
| 393 : | anton | 1.27 | |
| 394 : | AC_SUBST(FORTHSIZES) | ||
| 395 : | anton | 1.24 | |
| 396 : | anton | 1.104 | dnl if test "$PEEPHOLE" = "yes" |
| 397 : | dnl then | ||
| 398 : | dnl PEEPHOLEFLAG="true" | ||
| 399 : | dnl AC_DEFINE(HAS_PEEPHOLE,,[Define if you want to use peephole optimization]) | ||
| 400 : | dnl else | ||
| 401 : | dnl PEEPHOLEFLAG="false" | ||
| 402 : | dnl fi | ||
| 403 : | PEEPHOLEFLAG="true" | ||
| 404 : | pazsan | 1.79 | AC_SUBST(PEEPHOLEFLAG) |
| 405 : | |||
| 406 : | anton | 1.1 | dnl copy commands for systems that don't have links |
| 407 : | pazsan | 1.29 | AC_SUBST(LINK_KERNL) |
| 408 : | LINK_KERNL="" | ||
| 409 : | anton | 1.1 | |
| 410 : | #if test $host_os=dos | ||
| 411 : | #then | ||
| 412 : | # echo Configuring for DOS!!! | ||
| 413 : | # MAKE_EXE="coff2exe gforth" | ||
| 414 : | pazsan | 1.29 | # LINK_KERNL='$(CP) kernl32l.fi kernel.fi' |
| 415 : | anton | 1.1 | #fi |
| 416 : | |||
| 417 : | dnl the following macro produces a warning with autoconf-2.1 | ||
| 418 : | AC_C_BIGENDIAN | ||
| 419 : | pazsan | 1.23 | AC_SUBST(KERNEL) |
| 420 : | anton | 1.1 | dnl ac_cv_c_bigendian is an undocumented variable of autoconf-2.1 |
| 421 : | if test $ac_cv_c_bigendian = yes; then | ||
| 422 : | bytesex=b | ||
| 423 : | pazsan | 1.23 | KERNEL="kernl16b.fi kernl16l.fi kernl32b.fi kernl32l.fi kernl64b.fi kernl64l.fi" |
| 424 : | anton | 1.1 | else |
| 425 : | bytesex=l | ||
| 426 : | pazsan | 1.23 | KERNEL="kernl16l.fi kernl16b.fi kernl32l.fi kernl32b.fi kernl64l.fi kernl64b.fi" |
| 427 : | anton | 1.1 | fi |
| 428 : | |||
| 429 : | anton | 1.91 | #check how to do asm(".skip 16") |
| 430 : | anton | 1.92 | AC_MSG_CHECKING([if and how we can waste code space]) |
| 431 : | anton | 1.136 | if test -z "$skipcode"; then |
| 432 : | for i in ".skip 16" ".block 16" ".org .+16" ".=.+16" ".space 16" | ||
| 433 : | do | ||
| 434 : | anton | 1.91 | AC_TRY_RUN( |
| 435 : | anton | 1.136 | [int foo(int,int,int); |
| 436 : | anton | 1.91 | main() |
| 437 : | { | ||
| 438 : | anton | 1.136 | exit(foo(0,0,0)!=16); |
| 439 : | anton | 1.91 | } |
| 440 : | anton | 1.136 | int foo(int x, int y, int z) |
| 441 : | anton | 1.91 | { |
| 442 : | anton | 1.136 | static void *labels[]={&&label1, &&label2}; |
| 443 : | anton | 1.91 | if (x) { |
| 444 : | anton | 1.136 | y++; /* workaround for http://gcc.gnu.org/bugzilla/show_bug.cgi?id=12108 */ |
| 445 : | anton | 1.91 | label1: |
| 446 : | anton | 1.136 | asm(".skip 16"); /* or ".space 16" or somesuch */ |
| 447 : | label2: ; | ||
| 448 : | } | ||
| 449 : | { | ||
| 450 : | if (y) goto *labels[z]; /* workaround for gcc PR12108 */ | ||
| 451 : | return labels[1]-labels[0]; | ||
| 452 : | anton | 1.91 | } |
| 453 : | anton | 1.136 | }] |
| 454 : | anton | 1.92 | ,skipcode=$i; break |
| 455 : | ,,) | ||
| 456 : | anton | 1.136 | done |
| 457 : | fi | ||
| 458 : | anton | 1.92 | AC_MSG_RESULT($skipcode) |
| 459 : | if test "$skipcode" = no | ||
| 460 : | then | ||
| 461 : | anton | 1.136 | if test -z $no_dynamic_default; then |
| 462 : | no_dynamic_default=1 | ||
| 463 : | AC_MSG_WARN(Disabling default dynamic native code generation) | ||
| 464 : | fi | ||
| 465 : | anton | 1.92 | AC_DEFINE_UNQUOTED(SKIP16,((void)0),statement for skipping 16 bytes) |
| 466 : | else | ||
| 467 : | AC_DEFINE_UNQUOTED(SKIP16,asm("$skipcode"),statement for skipping 16 bytes) | ||
| 468 : | fi | ||
| 469 : | anton | 1.91 | |
| 470 : | anton | 1.136 | test "$no_dynamic_default" || no_dynamic_default=0 |
| 471 : | anton | 1.92 | AC_DEFINE_UNQUOTED(NO_DYNAMIC_DEFAULT,$no_dynamic_default,default value for no_dynamic) |
| 472 : | anton | 1.91 | |
| 473 : | anton | 1.1 | dnl Checks for programs. |
| 474 : | AC_PROG_LN_S | ||
| 475 : | anton | 1.95 | AC_PROG_INSTALL |
| 476 : | anton | 1.1 | |
| 477 : | dnl Checks for library functions | ||
| 478 : | anton | 1.2 | dnl This check is just for making later checks link with libm. |
| 479 : | dnl using sin here is no good idea since it is built-into gcc and typechecked | ||
| 480 : | AC_CHECK_LIB(m,asin) | ||
| 481 : | anton | 1.31 | AC_CHECK_LIB(dl,dlopen) |
| 482 : | pazsan | 1.124 | dnl check for ffcall libraries |
| 483 : | dnl unfortunately, these four calls are separated out into a library each. | ||
| 484 : | AC_CHECK_LIB(avcall,__builtin_avcall) | ||
| 485 : | AC_CHECK_LIB(callback,__vacall_r) | ||
| 486 : | AC_CHECK_LIB(vacall,vacall) | ||
| 487 : | AC_CHECK_LIB(trampoline,alloc_trampoline) | ||
| 488 : | anton | 1.125 | FFCALLFLAG="false" |
| 489 : | pazsan | 1.129 | OLDCALLFLAG="true" |
| 490 : | 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]) | ||
| 491 : | test $ac_cv_lib_avcall___builtin_avcall = no && AC_DEFINE(HAS_OLDCALL,,[define this if you want to use the old call libraries]) | ||
| 492 : | anton | 1.125 | AC_SUBST(FFCALLFLAG) |
| 493 : | pazsan | 1.129 | AC_SUBST(OLDCALLFLAG) |
| 494 : | pazsan | 1.32 | if test "$host_os" != "nextstep3" |
| 495 : | then | ||
| 496 : | AC_FUNC_MEMCMP | ||
| 497 : | fi | ||
| 498 : | pazsan | 1.25 | AC_REPLACE_FUNCS(memmove strtoul pow10 strerror strsignal atanh) |
| 499 : | anton | 1.97 | AC_FUNC_FSEEKO |
| 500 : | AC_CHECK_FUNCS(ftello dlopen sys_siglist getrusage) | ||
| 501 : | anton | 1.111 | AC_CHECK_TYPES(stack_t,,,[#include <signal.h>]) |
| 502 : | anton | 1.19 | AC_DECL_SYS_SIGLIST |
| 503 : | anton | 1.92 | AC_CHECK_FUNC(getopt_long,true,AC_LIBOBJ(getopt); AC_LIBOBJ(getopt1)) |
| 504 : | anton | 1.90 | AC_CHECK_FUNCS(expm1 log1p) |
| 505 : | AC_REPLACE_FUNCS(rint ecvt) | ||
| 506 : | anton | 1.1 | dnl No check for select, because our replacement is no good under |
| 507 : | dnl anything but DOS | ||
| 508 : | anton | 1.62 | AC_CHECK_HEADERS(sys/mman.h fnmatch.h) |
| 509 : | anton | 1.63 | AC_FUNC_FNMATCH |
| 510 : | pazsan | 1.87 | test $ac_cv_func_fnmatch_works = yes || AC_LIBOBJ(fnmatch) |
| 511 : | anton | 1.28 | AC_CHECK_FUNCS(mmap sysconf getpagesize) |
| 512 : | anton | 1.34 | AM_PATH_LISPDIR |
| 513 : | anton | 1.1 | |
| 514 : | pazsan | 1.23 | kernel_fi=kernl${wordsize}${bytesex}.fi |
| 515 : | AC_SUBST(kernel_fi) | ||
| 516 : | jwilke | 1.50 | |
| 517 : | anton | 1.76 | #this breaks bindists |
| 518 : | #dnl replace srource directory by absolute value | ||
| 519 : | #if test $srcdir = "."; then srcdir=`pwd` | ||
| 520 : | #fi | ||
| 521 : | anton | 1.8 | |
| 522 : | anton | 1.34 | AC_SUBST(machine) |
| 523 : | anton | 1.95 | AC_CONFIG_FILES([ |
| 524 : | anton | 1.31 | Makefile |
| 525 : | pazsan | 1.45 | Makedist |
| 526 : | anton | 1.43 | gforthmi |
| 527 : | anton | 1.80 | vmgen |
| 528 : | pazsan | 1.79 | machpc.fs |
| 529 : | anton | 1.35 | engine/Makefile |
| 530 : | anton | 1.95 | doc/version.texi ]) |
| 531 : | AC_CONFIG_COMMANDS([stamp-h],[[echo timestamp > stamp-h | ||
| 532 : | anton | 1.43 | chmod +x gforthmi |
| 533 : | anton | 1.80 | chmod +x vmgen |
| 534 : | anton | 1.95 | test -d kernel||mkdir kernel]],[[]]) |
| 535 : | AC_OUTPUT | ||
| 536 : | anton | 1.44 |
|
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