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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 | 1.1 | AC_INIT(engine.c) |
| 22 : | anton | 1.18 | AC_CONFIG_HEADER(config.h) |
| 23 : | anton | 1.14 | |
| 24 : | anton | 1.1 | AC_ARG_ENABLE(force-reg, |
| 25 : | [ --enable-force-reg Use explicit register declarations if they appear in | ||
| 26 : | the machine.h file. This can cause a good speedup, | ||
| 27 : | but also incorrect code with some gcc versions on | ||
| 28 : | some processors (default disabled).], | ||
| 29 : | |||
| 30 : | AC_DEFINE(FORCE_REG)) | ||
| 31 : | dnl this is not quite according to the autoconf manual, it causes a replacement | ||
| 32 : | AC_ARG_ENABLE(direct-threaded, | ||
| 33 : | [ --enable-direct-threaded Force direct threading. This may not work on | ||
| 34 : | some machines and may cause slowdown on others. | ||
| 35 : | (default processor-dependent)], | ||
| 36 : | AC_DEFINE(DIRECT_THREADED)) | ||
| 37 : | AC_ARG_ENABLE(indirect-threaded, | ||
| 38 : | [ --enable-indirect-threaded Force indirect threading. This can cause a | ||
| 39 : | slowdown on some machines. | ||
| 40 : | (default processor-dependent)], | ||
| 41 : | AC_DEFINE(INDIRECT_THREADED)) | ||
| 42 : | |||
| 43 : | pazsan | 1.9 | AC_ARG_WITH(debug, |
| 44 : | anton | 1.10 | [ --with-debug specifies option -g to compile with debug info (default) |
| 45 : | anton | 1.27 | --without-debug omits the -g switch and creates smaller images on |
| 46 : | machines where "strip" has problems with gcc style | ||
| 47 : | debugging informations.], | ||
| 48 : | pazsan | 1.9 | if test "$withval" = "yes"; then DEBUGFLAG=-g; fi) |
| 49 : | |||
| 50 : | anton | 1.16 | CFLAGS=$CFLAGS |
| 51 : | |||
| 52 : | pazsan | 1.15 | AC_PROG_CC |
| 53 : | |||
| 54 : | if test "$GCC" = "yes" | ||
| 55 : | then | ||
| 56 : | echo "Fine, gcc is available" | ||
| 57 : | else | ||
| 58 : | cat <<'EOF' | ||
| 59 : | anton | 1.16 | Gforth requires GCC-2.0 or higher (it uses GNU C extensions). |
| 60 : | It does not work with other C compilers. Please install the GNU C compiler, | ||
| 61 : | and try again (or search for a binary distribution for your platform). | ||
| 62 : | pazsan | 1.15 | EOF |
| 63 : | exit 1 | ||
| 64 : | fi | ||
| 65 : | pazsan | 1.9 | |
| 66 : | pazsan | 1.15 | AC_SUBST(CC) |
| 67 : | anton | 1.7 | AC_SUBST(GCCLDFLAGS) |
| 68 : | pazsan | 1.9 | AC_SUBST(DEBUGFLAG) |
| 69 : | anton | 1.7 | |
| 70 : | anton | 1.10 | dnl the following macro produces a warning with autoconf-2.1 |
| 71 : | AC_CHECK_SIZEOF(char *) | ||
| 72 : | case "$ac_cv_sizeof_char_p" in | ||
| 73 : | 2) | ||
| 74 : | wordsize=16 | ||
| 75 : | ;; | ||
| 76 : | 4) | ||
| 77 : | wordsize=32 | ||
| 78 : | ;; | ||
| 79 : | 8) | ||
| 80 : | wordsize=64 | ||
| 81 : | ;; | ||
| 82 : | esac | ||
| 83 : | pazsan | 1.9 | |
| 84 : | pazsan | 1.23 | AC_CHECK_SIZEOF(short) |
| 85 : | AC_CHECK_SIZEOF(int) | ||
| 86 : | AC_CHECK_SIZEOF(long) | ||
| 87 : | AC_CHECK_SIZEOF(long long) | ||
| 88 : | |||
| 89 : | ac_cv_int_type_cell=none | ||
| 90 : | case "$ac_cv_sizeof_char_p" in | ||
| 91 : | $ac_cv_sizeof_short) | ||
| 92 : | ac_cv_int_type_cell=short | ||
| 93 : | ;; | ||
| 94 : | $ac_cv_sizeof_int) | ||
| 95 : | ac_cv_int_type_cell=int | ||
| 96 : | ;; | ||
| 97 : | $ac_cv_sizeof_long) | ||
| 98 : | ac_cv_int_type_cell=long | ||
| 99 : | ;; | ||
| 100 : | $ac_cv_sizeof_long_long) | ||
| 101 : | ac_cv_int_type_cell="long long" | ||
| 102 : | ;; | ||
| 103 : | esac | ||
| 104 : | pazsan | 1.22 | if test "$ac_cv_int_type_cell" != int; then |
| 105 : | anton | 1.20 | echo "So, sizeof(pointer)!=sizeof(int); looks like a DOS C compiler to me." |
| 106 : | echo "Since you don't have a proper C on this machine, that's one more reason" | ||
| 107 : | echo "to use Forth;-)" | ||
| 108 : | fi | ||
| 109 : | pazsan | 1.23 | AC_DEFINE_UNQUOTED(CELL_TYPE,$ac_cv_int_type_cell) |
| 110 : | |||
| 111 : | ac_cv_int_type_double_cell=none | ||
| 112 : | case `expr 2 '*' "$ac_cv_sizeof_char_p"` in | ||
| 113 : | $ac_cv_sizeof_short) | ||
| 114 : | ac_cv_int_type_double_cell=short | ||
| 115 : | ;; | ||
| 116 : | $ac_cv_sizeof_int) | ||
| 117 : | ac_cv_int_type_double_cell=int | ||
| 118 : | ;; | ||
| 119 : | $ac_cv_sizeof_long) | ||
| 120 : | ac_cv_int_type_double_cell=long | ||
| 121 : | ;; | ||
| 122 : | $ac_cv_sizeof_long_long) | ||
| 123 : | ac_cv_int_type_double_cell="long long" | ||
| 124 : | ;; | ||
| 125 : | esac | ||
| 126 : | anton | 1.21 | if test "$ac_cv_int_type_double_cell" = none; then |
| 127 : | anton | 1.20 | echo "Emulating double-cell arithmetic. This may be slow." |
| 128 : | echo "If you find this unacceptable, ask the GCC maintainers to provide proper" | ||
| 129 : | pazsan | 1.23 | echo 'long longs for your machine (the GCC manual states that they \"are twice as' |
| 130 : | echo "long as \`long int\'\")." | ||
| 131 : | anton | 1.20 | LIBOBJS="$LIBOBJS dblsub.o" |
| 132 : | AC_DEFINE(BUGGY_LONG_LONG) | ||
| 133 : | pazsan | 1.23 | else |
| 134 : | AC_DEFINE_UNQUOTED(DOUBLE_CELL_TYPE,$ac_cv_int_type_double_cell) | ||
| 135 : | anton | 1.20 | fi |
| 136 : | |||
| 137 : | anton | 1.1 | #terminology is a bit unusual here: The host is the system on which |
| 138 : | #gforth will run; the system on which configure will run is the `build' | ||
| 139 : | AC_CANONICAL_HOST | ||
| 140 : | case "$host_cpu" in | ||
| 141 : | hppa*) | ||
| 142 : | mach_h=hppa | ||
| 143 : | pazsan | 1.23 | LIBOBJS="cache.o" |
| 144 : | pazsan | 1.6 | LDFLAGS="-Xlinker -N" |
| 145 : | LIBS="-L/lib/pa1.1/" | ||
| 146 : | anton | 1.1 | ;; |
| 147 : | sparc*) | ||
| 148 : | mach_h=sparc | ||
| 149 : | ;; | ||
| 150 : | i386|i486|i586) | ||
| 151 : | mach_h=386 | ||
| 152 : | anton | 1.16 | CFLAGS="$CFLAGS -fomit-frame-pointer -fforce-addr -fforce-mem" |
| 153 : | anton | 1.1 | #!! direct/indirect threading switch |
| 154 : | #!! -m486 flag | ||
| 155 : | ;; | ||
| 156 : | pazsan | 1.26 | m68k) |
| 157 : | mach_h=m68k | ||
| 158 : | CFLAGS="$CFLAGS -fomit-frame-pointer -traditional-cpp" | ||
| 159 : | ;; | ||
| 160 : | anton | 1.1 | mips*) |
| 161 : | mach_h=mips | ||
| 162 : | anton | 1.7 | #link text and data segment into the same 256M region! |
| 163 : | GCCLDFLAGS="-Xlinker -T -Xlinker 10000000 -Xlinker -D -Xlinker 10400000" | ||
| 164 : | anton | 1.1 | ;; |
| 165 : | pazsan | 1.9 | alpha*) |
| 166 : | mach_h=alpha | ||
| 167 : | ;; | ||
| 168 : | anton | 1.1 | *) |
| 169 : | echo "No direct threading support for $host_cpu, using indirect threading." | ||
| 170 : | anton | 1.20 | echo "Using a generic machine description." |
| 171 : | anton | 1.1 | echo "I'll assume that C floats and doubles are represented by IEEE single and" |
| 172 : | echo "double numbers. If this is not so, SF@ etc. will not work correctly." | ||
| 173 : | anton | 1.16 | echo "FLUSH-ICACHE will do nothing, so END-CODE may not work properly!" |
| 174 : | anton | 1.1 | mach_h=32bit |
| 175 : | esac | ||
| 176 : | anton | 1.10 | AC_SUBST(host) |
| 177 : | pazsan | 1.15 | AC_SUBST(ENGINE_FLAGS) |
| 178 : | anton | 1.1 | |
| 179 : | dnl Now a little support for DOS/DJGCC | ||
| 180 : | AC_SUBST(MAKE_EXE) | ||
| 181 : | MAKE_EXE="" | ||
| 182 : | |||
| 183 : | anton | 1.24 | PATHSEP=":" |
| 184 : | AC_SUBST(PATHSEP) | ||
| 185 : | AC_DEFINE_UNQUOTED(PATHSEP,'$PATHSEP') | ||
| 186 : | anton | 1.27 | |
| 187 : | AC_SUBST(FORTHSIZES) | ||
| 188 : | anton | 1.24 | |
| 189 : | anton | 1.1 | dnl copy commands for systems that don't have links |
| 190 : | pazsan | 1.29 | AC_SUBST(LINK_KERNL) |
| 191 : | LINK_KERNL="" | ||
| 192 : | anton | 1.1 | |
| 193 : | #if test $host_os=dos | ||
| 194 : | #then | ||
| 195 : | # echo Configuring for DOS!!! | ||
| 196 : | # MAKE_EXE="coff2exe gforth" | ||
| 197 : | pazsan | 1.29 | # LINK_KERNL='$(CP) kernl32l.fi kernel.fi' |
| 198 : | anton | 1.1 | #fi |
| 199 : | |||
| 200 : | dnl the following macro produces a warning with autoconf-2.1 | ||
| 201 : | AC_C_BIGENDIAN | ||
| 202 : | pazsan | 1.23 | AC_SUBST(KERNEL) |
| 203 : | anton | 1.1 | dnl ac_cv_c_bigendian is an undocumented variable of autoconf-2.1 |
| 204 : | if test $ac_cv_c_bigendian = yes; then | ||
| 205 : | bytesex=b | ||
| 206 : | pazsan | 1.23 | KERNEL="kernl16b.fi kernl16l.fi kernl32b.fi kernl32l.fi kernl64b.fi kernl64l.fi" |
| 207 : | anton | 1.1 | else |
| 208 : | bytesex=l | ||
| 209 : | pazsan | 1.23 | KERNEL="kernl16l.fi kernl16b.fi kernl32l.fi kernl32b.fi kernl64l.fi kernl64b.fi" |
| 210 : | anton | 1.1 | fi |
| 211 : | |||
| 212 : | dnl Checks for programs. | ||
| 213 : | AC_PROG_LN_S | ||
| 214 : | AC_PROG_INSTALL | ||
| 215 : | |||
| 216 : | dnl Checks for library functions | ||
| 217 : | anton | 1.2 | dnl This check is just for making later checks link with libm. |
| 218 : | dnl using sin here is no good idea since it is built-into gcc and typechecked | ||
| 219 : | AC_CHECK_LIB(m,asin) | ||
| 220 : | anton | 1.1 | AC_FUNC_MEMCMP |
| 221 : | pazsan | 1.25 | AC_REPLACE_FUNCS(memmove strtoul pow10 strerror strsignal atanh) |
| 222 : | anton | 1.17 | AC_CHECK_FUNCS(sys_siglist) |
| 223 : | anton | 1.19 | AC_DECL_SYS_SIGLIST |
| 224 : | anton | 1.8 | AC_CHECK_FUNC(getopt_long,getopt_long="",getopt_long="getopt.o getopt1.o") |
| 225 : | anton | 1.1 | AC_SUBST(getopt_long) |
| 226 : | anton | 1.11 | AC_CHECK_FUNCS(rint expm1 log1p) |
| 227 : | anton | 1.1 | AC_REPLACE_FUNCS(ecvt) |
| 228 : | dnl No check for select, because our replacement is no good under | ||
| 229 : | dnl anything but DOS | ||
| 230 : | anton | 1.28 | AC_CHECK_HEADERS(sys/mman.h) |
| 231 : | AC_CHECK_FUNCS(mmap sysconf getpagesize) | ||
| 232 : | anton | 1.1 | |
| 233 : | pazsan | 1.23 | kernel_fi=kernl${wordsize}${bytesex}.fi |
| 234 : | AC_SUBST(kernel_fi) | ||
| 235 : | anton | 1.8 | |
| 236 : | pazsan | 1.23 | AC_LINK_FILES(${mach_h}.h $kernel_fi,machine.h kernel.fi) |
| 237 : | anton | 1.18 | AC_OUTPUT(Makefile,echo timestamp > stamp-h) |
| 238 : | anton | 1.1 |
|
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