gforth/configure.in - view

File: [gforth] / gforth / configure.in
Revision 1.83: download - view: text, annotated - select for diffs
Fri Mar 22 20:36:25 2002 UTC (21 years, 6 months ago) by anton
Branches: MAIN
CVS tags: HEAD

cleaned up #defines of DIRECT_THREADED and INDIRECT_THREADED
introduced engine gforth-itc (indirect threading, no replication)
fixed bug in indirect threading

1: dnl Process this file with autoconf to produce a configure script. 2: 3: #Copyright (C) 1995,1996,1997,1998,2000 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., 59 Temple Place, Suite 330, Boston, MA 02111, USA. 20: 21: AC_INIT(engine/engine.c) 22: 23: dnl We use some automake macros here, 24: dnl but don't use automake for creating Makefile.in 25: AM_INIT_AUTOMAKE(gforth,0.5.9-20010501) 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! 29: AM_CONFIG_HEADER(engine/config.h) 30: #AM_CYGWIN32 31: 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: 39: AC_ARG_WITH(debug, 40: [ --with-debug specifies option -g to compile with debug info (default) 41: --without-debug omits the -g switch and creates smaller images on 42: machines where "strip" has problems with gcc style 43: debugging informations.], 44: if test "$withval" = "yes"; then DEBUGFLAG=-g; fi) 45: 46: PEEPHOLE="yes" 47: AC_ARG_WITH(peephole, 48: [ --with-peephole Enable peephole optimization (default) 49: --without-peephole disables peephole optimization. Creates smaller, 50: but slower images.], 51: PEEPHOLE="$withval") 52: 53: #currently we force direct threading this way. Eventually we should 54: #setup in the arch and engine files right 55: 56: CFLAGS=$CFLAGS 57: 58: AC_PROG_CC 59: 60: if test "$GCC" = "yes" 61: then 62: echo "Fine, gcc is available" 63: else 64: cat <<'EOF' 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). 68: EOF 69: exit 1 70: fi 71: 72: AC_SUBST(CC) 73: AC_SUBST(DEBUGFLAG) 74: 75: dnl the following macro produces a warning with autoconf-2.1 76: AC_CHECK_SIZEOF(char *) 77: case "$ac_cv_sizeof_char_p" in 78: 2) 79: wordsize=16 80: ;; 81: 4) 82: wordsize=32 83: ;; 84: 8) 85: wordsize=64 86: ;; 87: esac 88: 89: AC_CHECK_SIZEOF(char) 90: AC_CHECK_SIZEOF(short) 91: AC_CHECK_SIZEOF(int) 92: AC_CHECK_SIZEOF(long) 93: AC_CHECK_SIZEOF(long long) 94: 95: ac_cv_int_type_cell=none 96: case "$ac_cv_sizeof_char_p" in 97: $ac_cv_sizeof_int) 98: ac_cv_int_type_cell=int 99: ;; 100: $ac_cv_sizeof_short) 101: ac_cv_int_type_cell=short 102: ;; 103: $ac_cv_sizeof_char) 104: ac_cv_int_type_cell=char 105: ;; 106: $ac_cv_sizeof_long) 107: ac_cv_int_type_cell=long 108: ;; 109: $ac_cv_sizeof_long_long) 110: ac_cv_int_type_cell="long long" 111: ;; 112: esac 113: if test "$ac_cv_int_type_cell" != int; then 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 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: $ac_cv_sizeof_long_long) 132: ac_cv_int_type_double_cell="long long" 133: ;; 134: esac 135: if test "$ac_cv_int_type_double_cell" = none; then 136: echo "Emulating double-cell arithmetic. This may be slow." 137: echo "If you find this unacceptable, ask the GCC maintainers to provide proper" 138: echo 'long longs for your machine (the GCC manual states that they \"are twice as' 139: echo "long as \`long int\'\")." 140: LIBOBJS="$LIBOBJS dblsub.o" 141: AC_DEFINE(BUGGY_LONG_LONG) 142: else 143: AC_DEFINE_UNQUOTED(DOUBLE_CELL_TYPE,$ac_cv_int_type_double_cell) 144: fi 145: 146: AC_MSG_CHECKING([whether the linker accepts -export-dynamic]) 147: OLDLDFLAGS=$LDFLAGS 148: LDFLAGS="$LDFLAGS -export-dynamic" 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) 152: test $ac_export_dynamic = yes|| LDFLAGS=$OLDLDFLAGS 153: AC_MSG_RESULT($ac_export_dynamic) 154: 155: #terminology is a bit unusual here: The host is the system on which 156: #gforth will run; the system on which configure will run is the `build' 157: AC_CANONICAL_HOST 158: case "$host_cpu" in 159: hppa*) 160: machine=hppa 161: $srcdir/mkinstalldirs arch/hppa 162: LIBOBJS="$LIBOBJS ../arch/hppa/cache.o" 163: LDFLAGS="$LDFLAGS -Xlinker -N" 164: LIBS="$LIBS -L/lib/pa1.1/" 165: ;; 166: sparc*) 167: machine=sparc 168: ;; 169: i386) 170: machine=386 171: CFLAGS="$CFLAGS -fomit-frame-pointer -fforce-addr -fforce-mem" 172: ;; 173: i486) 174: machine=386 175: CFLAGS="$CFLAGS -fomit-frame-pointer -fforce-addr -fforce-mem -m486" 176: ;; 177: i*86) 178: machine=386 179: CFLAGS="$CFLAGS -fomit-frame-pointer -fforce-addr -fforce-mem" 180: CFLAGS_1="$CFLAGS" 181: CFLAGS="$CFLAGS -mpentium" 182: AC_TRY_COMPILE(,,,CFLAGS="$CFLAGS_1 -m486") 183: ;; 184: ia64*) 185: machine=ia64 186: ;; 187: m68k) 188: machine=m68k 189: CFLAGS="$CFLAGS -fomit-frame-pointer" 190: if test "$host_os" = "nextstep3" 191: then 192: LIBOBJS="$LIBOBJS termios.o" 193: fi 194: ;; 195: mips*) 196: machine=mips 197: #link text and data segment into the same 256M region! 198: AC_MSG_CHECKING([whether the linker accepts -T]) 199: OLDLDFLAGS=$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) 204: fixme #dynamically generated code should be in the same 256MB 205: # region as the text segment; no indirect threading necessary 206: test $ac_link_mips_t = yes||(echo cannot link text and data into same 256M region, using indirect threading; AC_DEFINE(INDIRECT_THREADED)) 207: AC_MSG_CHECKING([whether the linker accepts -D]) 208: OLDLDFLAGS=$LDFLAGS 209: LDFLAGS="$LDFLAGS -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 212: AC_MSG_RESULT($ac_link_mips_d) 213: ;; 214: alpha*) 215: machine=alpha 216: #full IEEE FP support for more uniformity across platforms: 217: CFLAGS="$CFLAGS -mieee" 218: ;; 219: power*|rs6000) 220: machine=power 221: $srcdir/mkinstalldirs arch/power 222: AC_CHECK_FUNC(_sync_cache_range,true,LIBOBJS="$LIBOBJS ../arch/power/_sync_cache_range.o") 223: ;; 224: *) 225: echo "Using a generic machine description." 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." 228: echo "FLUSH-ICACHE will do nothing, so END-CODE may not work properly!" 229: machine=generic 230: esac 231: AC_SUBST(host) 232: AC_SUBST(ENGINE_FLAGS) 233: 234: AC_CHECK_PROG(asm_fs,asm.fs,arch/$machine/asm.fs,,$srcdir/arch/$machine) 235: AC_SUBST(asm_fs) 236: 237: AC_CHECK_PROG(disasm_fs,disasm.fs,arch/$machine/disasm.fs,,$srcdir/arch/$machine) 238: AC_SUBST(disasm_fs) 239: 240: case "$host_os" in 241: *win32) 242: EXE=".exe" 243: ;; 244: *) 245: EXE="" 246: ;; 247: esac 248: AC_SUBST(EXE) 249: 250: dnl Now a little support for DOS/DJGCC 251: AC_SUBST(GFORTH_EXE) 252: GFORTH_EXE="" 253: AC_SUBST(GFORTHFAST_EXE) 254: GFORTHFAST_EXE="" 255: AC_SUBST(GFORTHITC_EXE) 256: GFORTHITC_EXE="" 257: AC_SUBST(GFORTHDITC_EXE) 258: GFORTHDITC_EXE="" 259: 260: PATHSEP=":" 261: AC_SUBST(PATHSEP) 262: AC_DEFINE_UNQUOTED(PATHSEP,'$PATHSEP') 263: 264: AC_SUBST(FORTHSIZES) 265: 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: 275: dnl copy commands for systems that don't have links 276: AC_SUBST(LINK_KERNL) 277: LINK_KERNL="" 278: 279: #if test $host_os=dos 280: #then 281: # echo Configuring for DOS!!! 282: # MAKE_EXE="coff2exe gforth" 283: # LINK_KERNL='$(CP) kernl32l.fi kernel.fi' 284: #fi 285: 286: dnl the following macro produces a warning with autoconf-2.1 287: AC_C_BIGENDIAN 288: AC_SUBST(KERNEL) 289: dnl ac_cv_c_bigendian is an undocumented variable of autoconf-2.1 290: if test $ac_cv_c_bigendian = yes; then 291: bytesex=b 292: KERNEL="kernl16b.fi kernl16l.fi kernl32b.fi kernl32l.fi kernl64b.fi kernl64l.fi" 293: else 294: bytesex=l 295: KERNEL="kernl16l.fi kernl16b.fi kernl32l.fi kernl32b.fi kernl64l.fi kernl64b.fi" 296: fi 297: 298: dnl Checks for programs. 299: AC_PROG_LN_S 300: dnl AM_PROG_INSTALL #performed by AM_INIT_AUTOMAKE 301: 302: dnl Checks for library functions 303: dnl This check is just for making later checks link with libm. 304: dnl using sin here is no good idea since it is built-into gcc and typechecked 305: AC_CHECK_LIB(m,asin) 306: AC_CHECK_LIB(dl,dlopen) 307: if test "$host_os" != "nextstep3" 308: then 309: AC_FUNC_MEMCMP 310: fi 311: AC_REPLACE_FUNCS(memmove strtoul pow10 strerror strsignal atanh) 312: AC_CHECK_FUNCS(dlopen sys_siglist getrusage) 313: AC_DECL_SYS_SIGLIST 314: AC_CHECK_FUNC(getopt_long,true,LIBOBJS="$LIBOBJS getopt.o getopt1.o") 315: AC_CHECK_FUNCS(rint expm1 log1p) 316: AC_REPLACE_FUNCS(ecvt) 317: dnl No check for select, because our replacement is no good under 318: dnl anything but DOS 319: AC_CHECK_HEADERS(sys/mman.h fnmatch.h) 320: AC_FUNC_FNMATCH 321: test $ac_cv_func_fnmatch_works = yes || LIBOBJS="$LIBOBJS fnmatch.o" 322: AC_CHECK_FUNCS(mmap sysconf getpagesize) 323: AM_PATH_LISPDIR 324: 325: kernel_fi=kernl${wordsize}${bytesex}.fi 326: AC_SUBST(kernel_fi) 327: 328: #this breaks bindists 329: #dnl replace srource directory by absolute value 330: #if test $srcdir = "."; then srcdir=`pwd` 331: #fi 332: 333: AC_SUBST(machine) 334: dnl AC_LINK_FILES(arch/$machine,arch/machine) #no longer needed 335: AC_OUTPUT([ 336: Makefile 337: Makedist 338: gforthmi 339: vmgen 340: machpc.fs 341: engine/Makefile 342: doc/version.texi ], 343: echo timestamp > stamp-h 344: chmod +x gforthmi 345: chmod +x vmgen 346: test -d kernel||mkdir kernel) 347: