gforth/configure.in - view

File: [gforth] / gforth / configure.in
Revision 1.82: download - view: text, annotated - select for diffs
Wed Mar 13 16:59:12 2002 UTC (21 years ago) by anton
Branches: MAIN
CVS tags: HEAD

Better discussion of cross-installation in INSTALL.
Force direct threading everywhere (indirect threading currentldoes not work).
make target "gforths" builds and copies all engines.

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: AC_DEFINE(DIRECT_THREADED) 56: 57: CFLAGS=$CFLAGS 58: 59: AC_PROG_CC 60: 61: if test "$GCC" = "yes" 62: then 63: echo "Fine, gcc is available" 64: else 65: cat <<'EOF' 66: Gforth requires GCC-2.0 or higher (it uses GNU C extensions). 67: It does not work with other C compilers. Please install the GNU C compiler, 68: and try again (or search for a binary distribution for your platform). 69: EOF 70: exit 1 71: fi 72: 73: AC_SUBST(CC) 74: AC_SUBST(DEBUGFLAG) 75: 76: dnl the following macro produces a warning with autoconf-2.1 77: AC_CHECK_SIZEOF(char *) 78: case "$ac_cv_sizeof_char_p" in 79: 2) 80: wordsize=16 81: ;; 82: 4) 83: wordsize=32 84: ;; 85: 8) 86: wordsize=64 87: ;; 88: esac 89: 90: AC_CHECK_SIZEOF(char) 91: AC_CHECK_SIZEOF(short) 92: AC_CHECK_SIZEOF(int) 93: AC_CHECK_SIZEOF(long) 94: AC_CHECK_SIZEOF(long long) 95: 96: ac_cv_int_type_cell=none 97: case "$ac_cv_sizeof_char_p" in 98: $ac_cv_sizeof_int) 99: ac_cv_int_type_cell=int 100: ;; 101: $ac_cv_sizeof_short) 102: ac_cv_int_type_cell=short 103: ;; 104: $ac_cv_sizeof_char) 105: ac_cv_int_type_cell=char 106: ;; 107: $ac_cv_sizeof_long) 108: ac_cv_int_type_cell=long 109: ;; 110: $ac_cv_sizeof_long_long) 111: ac_cv_int_type_cell="long long" 112: ;; 113: esac 114: if test "$ac_cv_int_type_cell" != int; then 115: echo "So, sizeof(pointer)!=sizeof(int); looks like a DOS C compiler to me." 116: echo "Since you don't have a proper C on this machine, that's one more reason" 117: echo "to use Forth;-)" 118: fi 119: AC_DEFINE_UNQUOTED(CELL_TYPE,$ac_cv_int_type_cell) 120: 121: ac_cv_int_type_double_cell=none 122: case `expr 2 '*' "$ac_cv_sizeof_char_p"` in 123: $ac_cv_sizeof_short) 124: ac_cv_int_type_double_cell=short 125: ;; 126: $ac_cv_sizeof_int) 127: ac_cv_int_type_double_cell=int 128: ;; 129: $ac_cv_sizeof_long) 130: ac_cv_int_type_double_cell=long 131: ;; 132: $ac_cv_sizeof_long_long) 133: ac_cv_int_type_double_cell="long long" 134: ;; 135: esac 136: if test "$ac_cv_int_type_double_cell" = none; then 137: echo "Emulating double-cell arithmetic. This may be slow." 138: echo "If you find this unacceptable, ask the GCC maintainers to provide proper" 139: echo 'long longs for your machine (the GCC manual states that they \"are twice as' 140: echo "long as \`long int\'\")." 141: LIBOBJS="$LIBOBJS dblsub.o" 142: AC_DEFINE(BUGGY_LONG_LONG) 143: else 144: AC_DEFINE_UNQUOTED(DOUBLE_CELL_TYPE,$ac_cv_int_type_double_cell) 145: fi 146: 147: AC_MSG_CHECKING([whether the linker accepts -export-dynamic]) 148: OLDLDFLAGS=$LDFLAGS 149: LDFLAGS="$LDFLAGS -export-dynamic" 150: dnl AC_TRY_LINK gives false positive on rs6000-ibm-aix4.2.1.0 151: dnl AC_TRY_LINK(,,ac_export_dynamic=yes,ac_export_dynamic=no) 152: AC_TRY_RUN(main(){exit(0);},ac_export_dynamic=yes,ac_export_dynamic=no,ac_export_dynamic=no) 153: test $ac_export_dynamic = yes|| LDFLAGS=$OLDLDFLAGS 154: AC_MSG_RESULT($ac_export_dynamic) 155: 156: #terminology is a bit unusual here: The host is the system on which 157: #gforth will run; the system on which configure will run is the `build' 158: AC_CANONICAL_HOST 159: case "$host_cpu" in 160: hppa*) 161: machine=hppa 162: $srcdir/mkinstalldirs arch/hppa 163: LIBOBJS="$LIBOBJS ../arch/hppa/cache.o" 164: LDFLAGS="$LDFLAGS -Xlinker -N" 165: LIBS="$LIBS -L/lib/pa1.1/" 166: if test "${enable_direct_threaded+set}" = "" 167: then 168: AC_DEFINE(DIRECT_THREADED) 169: fi 170: ;; 171: sparc*) 172: machine=sparc 173: ;; 174: i386) 175: machine=386 176: CFLAGS="$CFLAGS -fomit-frame-pointer -fforce-addr -fforce-mem" 177: if test "${enable_direct_threaded+set}" = "" \ 178: -a "${enable_indirect_threaded+set}" = "" 179: then 180: echo "Using direct threaded code on 386" 181: AC_DEFINE(DIRECT_THREADED) 182: fi 183: ;; 184: i486) 185: machine=386 186: CFLAGS="$CFLAGS -fomit-frame-pointer -fforce-addr -fforce-mem -m486" 187: if test "${enable_direct_threaded+set}" = "" \ 188: -a "${enable_indirect_threaded+set}" = "" 189: then 190: echo "Using direct threaded code on 486" 191: AC_DEFINE(DIRECT_THREADED) 192: fi 193: ;; 194: i*86) 195: machine=386 196: CFLAGS="$CFLAGS -fomit-frame-pointer -fforce-addr -fforce-mem" 197: CFLAGS_1="$CFLAGS" 198: CFLAGS="$CFLAGS -mpentium" 199: AC_TRY_COMPILE(,,,CFLAGS="$CFLAGS_1 -m486") 200: if test "${enable_direct_threaded+set}" = "" \ 201: -a "${enable_indirect_threaded+set}" = "" 202: then 203: echo "Using indirect threaded code on IA32 CPUs with split L1 caches" 204: AC_DEFINE(INDIRECT_THREADED) 205: fi 206: ;; 207: ia64*) 208: machine=ia64 209: ;; 210: m68k) 211: machine=m68k 212: CFLAGS="$CFLAGS -fomit-frame-pointer" 213: if test "$host_os" = "nextstep3" 214: then 215: LIBOBJS="$LIBOBJS termios.o" 216: fi 217: ;; 218: mips*) 219: machine=mips 220: #link text and data segment into the same 256M region! 221: AC_MSG_CHECKING([whether the linker accepts -T]) 222: OLDLDFLAGS=$LDFLAGS 223: LDFLAGS="$LDFLAGS -Xlinker -T -Xlinker 10000000" 224: AC_TRY_LINK(,,ac_link_mips_t=yes,ac_link_mips_t=no) 225: test $ac_link_mips_t = yes||LDFLAGS=$OLDLDFLAGS 226: AC_MSG_RESULT($ac_link_mips_t) 227: test $ac_link_mips_t = yes||(echo cannot link text and data into same 256M region, using indirect threading; AC_DEFINE(INDIRECT_THREADED)) 228: AC_MSG_CHECKING([whether the linker accepts -D]) 229: OLDLDFLAGS=$LDFLAGS 230: LDFLAGS="$LDFLAGS -Xlinker -D -Xlinker 10400000" 231: AC_TRY_LINK(,,ac_link_mips_d=yes,ac_link_mips_d=no) 232: test $ac_link_mips_d = yes||LDFLAGS=$OLDLDFLAGS 233: AC_MSG_RESULT($ac_link_mips_d) 234: ;; 235: alpha*) 236: machine=alpha 237: #full IEEE FP support for more uniformity across platforms: 238: CFLAGS="$CFLAGS -mieee" 239: ;; 240: power*|rs6000) 241: machine=power 242: $srcdir/mkinstalldirs arch/power 243: AC_CHECK_FUNC(_sync_cache_range,true,LIBOBJS="$LIBOBJS ../arch/power/_sync_cache_range.o") 244: #link text segment into first 32MB 245: AC_MSG_CHECKING([whether the linker accepts --script=arch/power/elf32ppc.x]) 246: OLDLDFLAGS=$LDFLAGS 247: #the -L../$srcdir helps when $srcdir is relative 248: LDFLAGS="$LDFLAGS -L$srcdir -L../$srcdir -Xlinker --script=$srcdir/arch/power/elf32ppc.x" 249: AC_TRY_LINK(,,ac_link_script=yes,ac_link_script=no) 250: test $ac_link_script = yes||LDFLAGS=$OLDLDFLAGS 251: AC_MSG_RESULT($ac_link_script) 252: AC_MSG_CHECKING([whether the code is in the first 32MB]) 253: AC_TRY_RUN([main(){label: exit(((unsigned long)&&label)>32000000UL);}],ac_code_under_32=yes,ac_code_under_32=no,ac_code_under_32=no) 254: AC_MSG_RESULT($ac_code_under_32) 255: test $ac_code_under_32 = yes||(AC_MSG_WARN([Using indirect threading]); AC_DEFINE(INDIRECT_THREADED)) 256: ;; 257: *) 258: echo "No direct threading support for $host_cpu, using indirect threading." 259: echo "Using a generic machine description." 260: echo "I'll assume that C floats and doubles are represented by IEEE single and" 261: echo "double numbers. If this is not so, SF@ etc. will not work correctly." 262: echo "FLUSH-ICACHE will do nothing, so END-CODE may not work properly!" 263: machine=generic 264: esac 265: AC_SUBST(host) 266: AC_SUBST(ENGINE_FLAGS) 267: 268: AC_CHECK_PROG(asm_fs,asm.fs,arch/$machine/asm.fs,,$srcdir/arch/$machine) 269: AC_SUBST(asm_fs) 270: 271: AC_CHECK_PROG(disasm_fs,disasm.fs,arch/$machine/disasm.fs,,$srcdir/arch/$machine) 272: AC_SUBST(disasm_fs) 273: 274: case "$host_os" in 275: *win32) 276: EXE=".exe" 277: ;; 278: *) 279: EXE="" 280: ;; 281: esac 282: AC_SUBST(EXE) 283: 284: dnl Now a little support for DOS/DJGCC 285: AC_SUBST(GFORTH_EXE) 286: GFORTH_EXE="" 287: AC_SUBST(GFORTHFAST_EXE) 288: GFORTHFAST_EXE="" 289: AC_SUBST(GFORTHDITC_EXE) 290: GFORTHDITC_EXE="" 291: 292: PATHSEP=":" 293: AC_SUBST(PATHSEP) 294: AC_DEFINE_UNQUOTED(PATHSEP,'$PATHSEP') 295: 296: AC_SUBST(FORTHSIZES) 297: 298: if test "$PEEPHOLE" = "yes" 299: then 300: PEEPHOLEFLAG="true" 301: AC_DEFINE(HAS_PEEPHOLE) 302: else 303: PEEPHOLEFLAG="false" 304: fi 305: AC_SUBST(PEEPHOLEFLAG) 306: 307: dnl copy commands for systems that don't have links 308: AC_SUBST(LINK_KERNL) 309: LINK_KERNL="" 310: 311: #if test $host_os=dos 312: #then 313: # echo Configuring for DOS!!! 314: # MAKE_EXE="coff2exe gforth" 315: # LINK_KERNL='$(CP) kernl32l.fi kernel.fi' 316: #fi 317: 318: dnl the following macro produces a warning with autoconf-2.1 319: AC_C_BIGENDIAN 320: AC_SUBST(KERNEL) 321: dnl ac_cv_c_bigendian is an undocumented variable of autoconf-2.1 322: if test $ac_cv_c_bigendian = yes; then 323: bytesex=b 324: KERNEL="kernl16b.fi kernl16l.fi kernl32b.fi kernl32l.fi kernl64b.fi kernl64l.fi" 325: else 326: bytesex=l 327: KERNEL="kernl16l.fi kernl16b.fi kernl32l.fi kernl32b.fi kernl64l.fi kernl64b.fi" 328: fi 329: 330: dnl Checks for programs. 331: AC_PROG_LN_S 332: dnl AM_PROG_INSTALL #performed by AM_INIT_AUTOMAKE 333: 334: dnl Checks for library functions 335: dnl This check is just for making later checks link with libm. 336: dnl using sin here is no good idea since it is built-into gcc and typechecked 337: AC_CHECK_LIB(m,asin) 338: AC_CHECK_LIB(dl,dlopen) 339: if test "$host_os" != "nextstep3" 340: then 341: AC_FUNC_MEMCMP 342: fi 343: AC_REPLACE_FUNCS(memmove strtoul pow10 strerror strsignal atanh) 344: AC_CHECK_FUNCS(dlopen sys_siglist getrusage) 345: AC_DECL_SYS_SIGLIST 346: AC_CHECK_FUNC(getopt_long,true,LIBOBJS="$LIBOBJS getopt.o getopt1.o") 347: AC_CHECK_FUNCS(rint expm1 log1p) 348: AC_REPLACE_FUNCS(ecvt) 349: dnl No check for select, because our replacement is no good under 350: dnl anything but DOS 351: AC_CHECK_HEADERS(sys/mman.h fnmatch.h) 352: AC_FUNC_FNMATCH 353: test $ac_cv_func_fnmatch_works = yes || LIBOBJS="$LIBOBJS fnmatch.o" 354: AC_CHECK_FUNCS(mmap sysconf getpagesize) 355: AM_PATH_LISPDIR 356: 357: kernel_fi=kernl${wordsize}${bytesex}.fi 358: AC_SUBST(kernel_fi) 359: 360: #this breaks bindists 361: #dnl replace srource directory by absolute value 362: #if test $srcdir = "."; then srcdir=`pwd` 363: #fi 364: 365: AC_SUBST(machine) 366: dnl AC_LINK_FILES(arch/$machine,arch/machine) #no longer needed 367: AC_OUTPUT([ 368: Makefile 369: Makedist 370: gforthmi 371: vmgen 372: machpc.fs 373: engine/Makefile 374: doc/version.texi ], 375: echo timestamp > stamp-h 376: chmod +x gforthmi 377: chmod +x vmgen 378: test -d kernel||mkdir kernel) 379: