File:  [gforth] / gforth / configure.in
Revision 1.80: download - view: text, annotated - select for diffs
Tue May 1 13:35:41 2001 UTC (18 years, 5 months ago) by anton
Branches: MAIN
CVS tags: HEAD
vmgen-related changes in Makefile
fixed FORTHB/prims2x breakage
removed lit_plus
added peeprules.vmg as a place to put superinstructions
testdist now also tests vmgen-ex

    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,0.5.9-20010129)
   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: dnl this is not quite according to the autoconf manual, it causes a replacement
   39: AC_ARG_ENABLE(direct-threaded,
   40: [  --enable-direct-threaded	Force direct threading. This may not work on
   41: 				some machines and may cause slowdown on others.
   42: 				(default processor-dependent)],
   43: AC_DEFINE(DIRECT_THREADED))
   44: AC_ARG_ENABLE(indirect-threaded,
   45: [  --enable-indirect-threaded	Force indirect threading. This can cause a
   46: 				slowdown on some machines.
   47: 				(default processor-dependent)],
   48: AC_DEFINE(INDIRECT_THREADED))
   49: 
   50: AC_ARG_WITH(debug,
   51: [  --with-debug     specifies option -g to compile with debug info (default)
   52:   --without-debug  omits the -g switch and creates smaller images on
   53:                    machines where "strip" has problems with gcc style
   54:                    debugging informations.],
   55: if test "$withval" = "yes"; then DEBUGFLAG=-g; fi)
   56: 
   57: PEEPHOLE="yes"
   58: AC_ARG_WITH(peephole,
   59: [  --with-peephole	Enable peephole optimization (default)
   60:   --without-peephole	disables peephole optimization. Creates smaller,
   61: 			but slower images.],
   62: PEEPHOLE="$withval")
   63: 
   64: CFLAGS=$CFLAGS
   65: 
   66: AC_PROG_CC
   67: 
   68: if test "$GCC" = "yes"
   69: then
   70:    echo "Fine, gcc is available"
   71: else
   72:    cat <<'EOF'
   73: Gforth requires GCC-2.0 or higher (it uses GNU C extensions).
   74: It does not work with other C compilers. Please install the GNU C compiler,
   75: and try again (or search for a binary distribution for your platform).
   76: EOF
   77:    exit 1
   78: fi
   79: 
   80: AC_SUBST(CC)
   81: AC_SUBST(DEBUGFLAG)
   82: 
   83: dnl the following macro produces a warning with autoconf-2.1
   84: AC_CHECK_SIZEOF(char *)
   85: case "$ac_cv_sizeof_char_p" in
   86:   2)
   87:     wordsize=16
   88:     ;;
   89:   4)
   90:     wordsize=32
   91:     ;;
   92:   8)
   93:     wordsize=64
   94:     ;;
   95: esac
   96: 
   97: AC_CHECK_SIZEOF(char)
   98: AC_CHECK_SIZEOF(short)
   99: AC_CHECK_SIZEOF(int)
  100: AC_CHECK_SIZEOF(long)
  101: AC_CHECK_SIZEOF(long long)
  102: 
  103: ac_cv_int_type_cell=none
  104: case "$ac_cv_sizeof_char_p" in
  105:   $ac_cv_sizeof_int)
  106:     ac_cv_int_type_cell=int
  107:     ;;
  108:   $ac_cv_sizeof_short)
  109:     ac_cv_int_type_cell=short
  110:     ;;
  111:   $ac_cv_sizeof_char)
  112:     ac_cv_int_type_cell=char
  113:     ;;
  114:   $ac_cv_sizeof_long)
  115:     ac_cv_int_type_cell=long
  116:     ;;
  117:   $ac_cv_sizeof_long_long)
  118:     ac_cv_int_type_cell="long long"
  119:     ;;
  120: esac
  121: if test "$ac_cv_int_type_cell" != int; then
  122: 	echo "So, sizeof(pointer)!=sizeof(int); looks like a DOS C compiler to me."
  123: 	echo "Since you don't have a proper C on this machine, that's one more reason"
  124: 	echo "to use Forth;-)"
  125: fi
  126: AC_DEFINE_UNQUOTED(CELL_TYPE,$ac_cv_int_type_cell)
  127: 
  128: ac_cv_int_type_double_cell=none
  129: case `expr 2 '*' "$ac_cv_sizeof_char_p"` in
  130:   $ac_cv_sizeof_short)
  131:     ac_cv_int_type_double_cell=short
  132:     ;;
  133:   $ac_cv_sizeof_int)
  134:     ac_cv_int_type_double_cell=int
  135:     ;;
  136:   $ac_cv_sizeof_long)
  137:     ac_cv_int_type_double_cell=long
  138:     ;;
  139:   $ac_cv_sizeof_long_long)
  140:     ac_cv_int_type_double_cell="long long"
  141:     ;;
  142: esac
  143: if test "$ac_cv_int_type_double_cell" = none; then
  144: 	echo "Emulating double-cell arithmetic. This may be slow."
  145: 	echo "If you find this unacceptable, ask the GCC maintainers to provide proper"
  146: 	echo 'long longs for your machine (the GCC manual states that they \"are twice as'
  147: 	echo "long as \`long int\'\")."
  148: 	LIBOBJS="$LIBOBJS dblsub.o"
  149: 	AC_DEFINE(BUGGY_LONG_LONG)
  150: else
  151:   AC_DEFINE_UNQUOTED(DOUBLE_CELL_TYPE,$ac_cv_int_type_double_cell)
  152: fi
  153: 
  154: AC_MSG_CHECKING([whether the linker accepts -export-dynamic])
  155: OLDLDFLAGS=$LDFLAGS
  156: LDFLAGS="$LDFLAGS -export-dynamic"
  157: dnl AC_TRY_LINK gives false positive on rs6000-ibm-aix4.2.1.0
  158: dnl AC_TRY_LINK(,,ac_export_dynamic=yes,ac_export_dynamic=no)
  159: AC_TRY_RUN(main(){exit(0);},ac_export_dynamic=yes,ac_export_dynamic=no,ac_export_dynamic=no)
  160: test $ac_export_dynamic = yes|| LDFLAGS=$OLDLDFLAGS
  161: AC_MSG_RESULT($ac_export_dynamic)
  162: 
  163: #terminology is a bit unusual here: The host is the system on which
  164: #gforth will run; the system on which configure will run is the `build'
  165: AC_CANONICAL_HOST
  166: case "$host_cpu" in
  167: 	hppa*)
  168: 		machine=hppa
  169: 		$srcdir/mkinstalldirs arch/hppa
  170: 		LIBOBJS="$LIBOBJS ../arch/hppa/cache.o"
  171: 		LDFLAGS="$LDFLAGS -Xlinker -N"
  172: 		LIBS="$LIBS -L/lib/pa1.1/"
  173: 		if test "${enable_direct_threaded+set}" = ""
  174: 		then
  175: 			AC_DEFINE(DIRECT_THREADED)
  176: 		fi
  177: 		;;
  178: 	sparc*)
  179: 		machine=sparc
  180: 		;;
  181: 	i386)
  182: 		machine=386
  183: 		CFLAGS="$CFLAGS -fomit-frame-pointer -fforce-addr -fforce-mem"
  184: 		if test "${enable_direct_threaded+set}" = "" \
  185: 			-a "${enable_indirect_threaded+set}" = ""
  186: 		then
  187: 			echo "Using direct threaded code on 386"
  188: 			AC_DEFINE(DIRECT_THREADED)
  189: 		fi
  190: 		;;
  191: 	i486)
  192: 		machine=386
  193: 		CFLAGS="$CFLAGS -fomit-frame-pointer -fforce-addr -fforce-mem -m486"
  194: 		if test "${enable_direct_threaded+set}" = "" \
  195: 			-a "${enable_indirect_threaded+set}" = ""
  196: 		then
  197: 			echo "Using direct threaded code on 486"
  198: 			AC_DEFINE(DIRECT_THREADED)
  199: 		fi
  200: 		;;
  201: 	i*86)
  202: 		machine=386
  203: 		CFLAGS="$CFLAGS -fomit-frame-pointer -fforce-addr -fforce-mem"
  204: 		CFLAGS_1="$CFLAGS"
  205: 		CFLAGS="$CFLAGS -mpentium"
  206: 		AC_TRY_COMPILE(,,,CFLAGS="$CFLAGS_1 -m486")
  207: 		if test "${enable_direct_threaded+set}" = "" \
  208: 			-a "${enable_indirect_threaded+set}" = ""
  209: 		then
  210: 			echo "Using indirect threaded code on IA32 CPUs with split L1 caches"
  211: 			AC_DEFINE(INDIRECT_THREADED)
  212: 		fi
  213: 		;;
  214: 	ia64*)
  215: 		machine=ia64
  216: 		;;
  217:         m68k)
  218: 		machine=m68k
  219: 		CFLAGS="$CFLAGS -fomit-frame-pointer"
  220: 		if test "$host_os" = "nextstep3"
  221: 		then
  222: 			LIBOBJS="$LIBOBJS termios.o"
  223: 		fi
  224: 		;;
  225: 	mips*)
  226: 		machine=mips
  227: 		#link text and data segment into the same 256M region!
  228: 		AC_MSG_CHECKING([whether the linker accepts -T])
  229: 		OLDLDFLAGS=$LDFLAGS
  230: 		LDFLAGS="$LDFLAGS -Xlinker -T -Xlinker 10000000"
  231: 		AC_TRY_LINK(,,ac_link_mips_t=yes,ac_link_mips_t=no)
  232: 		test $ac_link_mips_t = yes||LDFLAGS=$OLDLDFLAGS
  233: 		AC_MSG_RESULT($ac_link_mips_t)
  234: 		test $ac_link_mips_t = yes||(echo cannot link text and data into same 256M region, using indirect threading; AC_DEFINE(INDIRECT_THREADED))
  235: 		AC_MSG_CHECKING([whether the linker accepts -D])
  236: 		OLDLDFLAGS=$LDFLAGS
  237: 		LDFLAGS="$LDFLAGS -Xlinker -D -Xlinker 10400000"
  238: 		AC_TRY_LINK(,,ac_link_mips_d=yes,ac_link_mips_d=no)
  239: 		test $ac_link_mips_d = yes||LDFLAGS=$OLDLDFLAGS
  240: 		AC_MSG_RESULT($ac_link_mips_d)
  241: 		;;
  242: 	alpha*)
  243: 		machine=alpha
  244: 		#full IEEE FP support for more uniformity across platforms:
  245: 		CFLAGS="$CFLAGS -mieee"
  246: 		;;
  247: 	power*|rs6000)
  248: 		machine=power
  249: 		$srcdir/mkinstalldirs arch/power
  250: 		AC_CHECK_FUNC(_sync_cache_range,true,LIBOBJS="$LIBOBJS ../arch/power/_sync_cache_range.o")
  251: 		#link text segment into first 32MB
  252: 		AC_MSG_CHECKING([whether the linker accepts --script=arch/power/elf32ppc.x])
  253: 		OLDLDFLAGS=$LDFLAGS
  254:                 #the -L../$srcdir helps when $srcdir is relative
  255: 		LDFLAGS="$LDFLAGS -L$srcdir -L../$srcdir -Xlinker --script=$srcdir/arch/power/elf32ppc.x"
  256: 		AC_TRY_LINK(,,ac_link_script=yes,ac_link_script=no)
  257: 		test $ac_link_script = yes||LDFLAGS=$OLDLDFLAGS
  258: 		AC_MSG_RESULT($ac_link_script)
  259: 		AC_MSG_CHECKING([whether the code is in the first 32MB])
  260: 		AC_TRY_RUN([main(){label: exit(((unsigned long)&&label)>32000000UL);}],ac_code_under_32=yes,ac_code_under_32=no,ac_code_under_32=no)
  261:                 AC_MSG_RESULT($ac_code_under_32)
  262: 		test $ac_code_under_32 = yes||(AC_MSG_WARN([Using indirect threading]); AC_DEFINE(INDIRECT_THREADED))
  263: 		;;
  264: 	*)
  265: 		echo "No direct threading support for $host_cpu, using indirect threading."
  266: 		echo "Using a generic machine description."
  267: 		echo "I'll assume that C floats and doubles are represented by IEEE single and"
  268: 		echo "double numbers. If this is not so, SF@ etc. will not work correctly."
  269: 		echo "FLUSH-ICACHE will do nothing, so END-CODE may not work properly!"
  270: 		machine=generic
  271: esac
  272: AC_SUBST(host)
  273: AC_SUBST(ENGINE_FLAGS)
  274: 
  275: AC_CHECK_PROG(asm_fs,asm.fs,arch/$machine/asm.fs,,$srcdir/arch/$machine)
  276: AC_SUBST(asm_fs)
  277: 
  278: AC_CHECK_PROG(disasm_fs,disasm.fs,arch/$machine/disasm.fs,,$srcdir/arch/$machine)
  279: AC_SUBST(disasm_fs)
  280: 
  281: case "$host_os" in
  282: 	*win32)
  283: 		EXE=".exe"
  284: 		;;
  285: 	*)
  286: 		EXE=""
  287: 		;;
  288: esac
  289: AC_SUBST(EXE)
  290: 
  291: dnl Now a little support for DOS/DJGCC
  292: AC_SUBST(GFORTH_EXE)
  293: GFORTH_EXE=""
  294: AC_SUBST(GFORTHFAST_EXE)
  295: GFORTHFAST_EXE=""
  296: AC_SUBST(GFORTHDITC_EXE)
  297: GFORTHDITC_EXE=""
  298: 
  299: PATHSEP=":"
  300: AC_SUBST(PATHSEP)
  301: AC_DEFINE_UNQUOTED(PATHSEP,'$PATHSEP')
  302: 
  303: AC_SUBST(FORTHSIZES)
  304: 
  305: if test "$PEEPHOLE" = "yes"
  306: then
  307:    PEEPHOLEFLAG="true"
  308:    AC_DEFINE(HAS_PEEPHOLE)
  309: else
  310:    PEEPHOLEFLAG="false"
  311: fi
  312: AC_SUBST(PEEPHOLEFLAG)
  313: 
  314: dnl copy commands for systems that don't have links
  315: AC_SUBST(LINK_KERNL)
  316: LINK_KERNL=""
  317: 
  318: #if test $host_os=dos
  319: #then
  320: #  echo Configuring for DOS!!!
  321: #  MAKE_EXE="coff2exe gforth"
  322: #  LINK_KERNL='$(CP) kernl32l.fi kernel.fi'
  323: #fi
  324: 
  325: dnl the following macro produces a warning with autoconf-2.1
  326: AC_C_BIGENDIAN
  327: AC_SUBST(KERNEL)
  328: dnl ac_cv_c_bigendian is an undocumented variable of autoconf-2.1
  329: if test $ac_cv_c_bigendian = yes; then
  330:   bytesex=b
  331:   KERNEL="kernl16b.fi kernl16l.fi kernl32b.fi kernl32l.fi kernl64b.fi kernl64l.fi"
  332: else
  333:   bytesex=l
  334:   KERNEL="kernl16l.fi kernl16b.fi kernl32l.fi kernl32b.fi kernl64l.fi kernl64b.fi"
  335: fi
  336: 
  337: dnl Checks for programs.
  338: AC_PROG_LN_S
  339: dnl AM_PROG_INSTALL #performed by AM_INIT_AUTOMAKE
  340: 
  341: dnl Checks for library functions
  342: dnl This check is just for making later checks link with libm.
  343: dnl using sin here is no good idea since it is built-into gcc and typechecked
  344: AC_CHECK_LIB(m,asin)
  345: AC_CHECK_LIB(dl,dlopen)
  346: if test "$host_os" != "nextstep3"
  347: then
  348: 	AC_FUNC_MEMCMP
  349: fi
  350: AC_REPLACE_FUNCS(memmove strtoul pow10 strerror strsignal atanh)
  351: AC_CHECK_FUNCS(dlopen sys_siglist getrusage)
  352: AC_DECL_SYS_SIGLIST
  353: AC_CHECK_FUNC(getopt_long,true,LIBOBJS="$LIBOBJS getopt.o getopt1.o")
  354: AC_CHECK_FUNCS(rint expm1 log1p)
  355: AC_REPLACE_FUNCS(ecvt)
  356: dnl No check for select, because our replacement is no good under
  357: dnl anything but DOS
  358: AC_CHECK_HEADERS(sys/mman.h fnmatch.h)
  359: AC_FUNC_FNMATCH
  360: test $ac_cv_func_fnmatch_works = yes || LIBOBJS="$LIBOBJS fnmatch.o"
  361: AC_CHECK_FUNCS(mmap sysconf getpagesize)
  362: AM_PATH_LISPDIR
  363: 
  364: kernel_fi=kernl${wordsize}${bytesex}.fi
  365: AC_SUBST(kernel_fi)
  366: 
  367: #this breaks bindists
  368: #dnl replace srource directory by absolute value
  369: #if test $srcdir = "."; then srcdir=`pwd` 
  370: #fi
  371: 
  372: AC_SUBST(machine)
  373: dnl AC_LINK_FILES(arch/$machine,arch/machine) #no longer needed
  374: AC_OUTPUT([
  375: Makefile
  376: Makedist
  377: gforthmi
  378: vmgen
  379: machpc.fs
  380: engine/Makefile
  381: doc/version.texi ],
  382: echo timestamp > stamp-h
  383: chmod +x gforthmi
  384: chmod +x vmgen
  385: test -d kernel||mkdir kernel)
  386: 

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