File:  [gforth] / gforth / configure.in
Revision 1.310: download - view: text, annotated - select for diffs
Mon Jul 2 21:59:10 2012 UTC (7 years, 2 months ago) by pazsan
Branches: MAIN
CVS tags: HEAD
Better separation of different architectures on the same machine

    1: dnl Process this file with autoconf to produce a configure script.
    2: 
    3: #Copyright (C) 1995,1996,1997,1998,2000,2003,2004,2005,2006,2007,2008,2009,2010,2011 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 3
   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, see http://www.gnu.org/licenses/.
   19: 
   20: 
   21: dnl We use some automake macros here,
   22: dnl but don't use automake for creating Makefile.in
   23: AC_INIT([gforth],[0.7.9-20120627],[https://savannah.gnu.org/bugs/?func=addbug&group=gforth])
   24: AC_PREREQ(2.54)
   25: #snapshots have numbers major.minor.release-YYYYMMDD
   26: #note that lexicographic ordering must be heeded.
   27: #I.e., 0.4.1-YYYYMMDD must not exist before 0.4.1!
   28: UPDATED="June 27, 2012"
   29: AC_SUBST(UPDATED)
   30: AC_CONFIG_HEADERS(engine/config.h)
   31: 
   32: #remnants from having ltdl as convenience library
   33: LTDLDEPS=""
   34: LTDLINCL=""
   35: LIBLTDL=""
   36: LTDL_LDLIBS=""
   37: AC_SUBST(LTDLDEPS)
   38: AC_SUBST(LTDLINCL)
   39: AC_SUBST(LIBLTDL)
   40: AC_SUBST(LTDL_LDLIBS)
   41: 
   42: #suppress the "-g -O2" default
   43: test "$CFLAGS" || CFLAGS=-O2
   44: 
   45: AC_ARG_ENABLE(force-cdiv,
   46: 	AC_HELP_STRING([--enable-force-cdiv],
   47: 		       [  Use the native C division - symmetric - instead of
   48: 		          floored division (default disabled).]),
   49: 	,enable_force_cdiv=no)
   50: test "$enable_force_cdiv" = "no"||
   51:   AC_DEFINE(FORCE_CDIV,,[Define if you want to use explicit symmetric division for better performance])
   52: 
   53: AC_SUBST(PROFEXES)
   54: AC_SUBST(PROFOBJS)
   55: AC_ARG_ENABLE(prof,
   56: 	AC_HELP_STRING([--enable-prof],
   57: 			[ Build gforth-prof, which outputs frequently occuring
   58:                           sequences of primitives.]),
   59: 	,enable_prof=no)
   60: if test "$enable_prof" != "no"; then
   61:   PROFEXES='gforth-prof$(OPT)$(EXE)'; PROFOBJS='engine-prof$(OPT).o main-prof$(OPT).o profile$(OPT).o'
   62: fi
   63: 
   64: AC_ARG_WITH(debug,
   65: [  --with-debug		  specifies option -g to compile with debug info
   66:   --without-debug	  omits the -g switch and creates smaller images on
   67: 			  machines where "strip" has problems with gcc style
   68: 			  debugging informations.],
   69: if test "$withval" = "yes"; then DEBUGFLAG=-g; fi)
   70: 
   71: GCC_LD="\$(GCC)"
   72: EC_MODE="false"
   73: NO_EC=""
   74: NO_CROSS=""
   75: EC=""
   76: engine2='engine2$(OPT).o'
   77: engine_fast2='engine-fast2$(OPT).o'
   78: no_dynamic=""
   79: image_i=""
   80: signals_o="io.o signals.o"
   81: 
   82: AC_CANONICAL_HOST
   83: AC_ARG_WITH(ec,
   84: 	AC_HELP_STRING([--with-ec=<arch>],
   85: 			[  Build gforth for systems without OS.]),
   86: [if test "$withval" = "no"; then
   87:   echo "defining hosted system"
   88: else
   89:   echo "defining standalone system (${withval})"
   90:   AC_DEFINE(STANDALONE,,[Define if you want a Gforth without OS])
   91:   EC_MODE="true"
   92:   EC="-ec"
   93:   NO_EC="#"
   94:   NO_CROSS="#"
   95:   engine2=""
   96:   engine_fast2=""
   97:   no_dynamic="-DNO_DYNAMIC"
   98:   image_i="image.i"
   99:   if test "$withval" != "yes"; then
  100:     signals_o="io-${withval}.o"
  101:   else
  102:     signals_o="io.o"
  103:   fi
  104:   if test -f "arch/$host_cpu/${withval}/config.sh"; then
  105:     source "arch/$host_cpu/${withval}/config.sh"
  106:   fi
  107:   GCC_PATH=$(which $CC)
  108:   LIB_PATH=${GCC_PATH%/*/*}
  109:   GCC_LD="\$(LD)"
  110:   platform=${withval}
  111: fi])
  112: 
  113: AC_ARG_WITH(cross,
  114: 	AC_HELP_STRING([--with-cross=<arch>],
  115: 			[  Build gforth using a cross compiler.]),
  116: [if test "$withval" = "no"; then
  117:   echo "defining hosted system"
  118: else
  119:   echo "defining cross compiled system (${withval})"
  120:   if test -f "arch/$host_cpu/${withval}/config.sh"; then
  121:     source "arch/$host_cpu/${withval}/config.sh"
  122:   fi
  123:   GCC_PATH=$(which $CC)
  124:   LIB_PATH=${GCC_PATH%/*/*}
  125:   platform=${withval}
  126:   NO_EC=""
  127:   NO_CROSS="#"
  128: fi])
  129: 
  130: AC_ARG_WITH(arch,
  131: 	AC_HELP_STRING([--with-arch=<arch>],
  132: 			[  Build gforth binaries with <arch> postfix]),
  133: [if test "$withval" = "no"; then
  134:   ARCH=""
  135: else
  136:   ARCH=-${withval}
  137: fi])
  138: AC_SUBST(ARCH)
  139: 
  140: #variables mentioned in INSTALL
  141: AC_ARG_VAR(SH, [The shell])
  142: AC_ARG_VAR(CC, [The C compiler (must support GNU C 2.x).])
  143: AC_ARG_VAR(FORTHSIZES, [Gforth command line options for the default stack and dictionary sizes (see INSTALL).])
  144: AC_ARG_VAR(STACK_CACHE_REGS, [number of registers in the maximum stack cache state for gforth-fast and gforth-native (default platform-dependent).])
  145: AC_ARG_VAR(STACK_CACHE_DEFAULT_FAST, [number of registers in the default stack cache state for gforth-fast and gforth-native (default 1).])
  146: AC_ARG_VAR(GCC_PR15242_WORKAROUND, [Force the enabling (1) or disabling (0) of a workaround for a gcc-3.x performance bug (default unset: use workaround for gcc-3.x)])
  147: AC_ARG_VAR(LIBCC_BUILD_SRC, [(Additional) libcc interface source files that should be processed on building and installation (default none)])
  148: 
  149: AC_ARG_VAR(ac_cv_sizeof_char_p, [sizeof(char *)])
  150: AC_ARG_VAR(ac_cv_sizeof_void_p, [sizeof(void *)])
  151: AC_ARG_VAR(ac_cv_sizeof_char, [sizeof(char)])
  152: AC_ARG_VAR(ac_cv_sizeof_short, [sizeof(short)])
  153: AC_ARG_VAR(ac_cv_sizeof_int, [sizeof(int)])
  154: AC_ARG_VAR(ac_cv_sizeof_long, [sizeof(long)])
  155: AC_ARG_VAR(ac_cv_sizeof_long_long, [sizeof(long long)])
  156: AC_ARG_VAR(ac_cv_sizeof_intptr_t, [sizeof(intptr_t)])
  157: AC_ARG_VAR(ac_cv_sizeof_int128_t, [sizeof(int128_t)])
  158: AC_ARG_VAR(ac_cv_sizeof_uint128_t, [sizeof(uint128_t)])
  159: AC_ARG_VAR(ac_cv_c_bigendian, [Is the target big-endian ("yes" or "no")?])
  160: AC_ARG_VAR(no_dynamic_default, [run gforth with --dynamic (0) or --no-dynamic (1) by default])
  161: AC_ARG_VAR(condbranch_opt, [enable (1) or disable (0) using two dispatches for conditional branches])
  162: AC_ARG_VAR(skipcode, [assembly code for skipping 16 bytes of code])
  163: AC_ARG_VAR(asmcomment, [assembler comment start string])
  164: AC_ARG_VAR(arm_cacheflush, [file containing ARM cacheflush function (without .c)])
  165: AC_ARG_VAR(LTDL_LIBRARY_PATH, [additional directories for libltdl (for some 64-bit platforms)])
  166: 
  167: #set up feature test macros, so the tests get them right:
  168: # turn on all POSIX, SUSv3, and GNU features if available
  169: AC_GNU_SOURCE
  170: dnl AC_DEFINE_UNQUOTED([_GNU_SOURCE],1,[feature test macro])
  171: 
  172: dnl Don't define _POSIX_SOURCE etc. because some OSs (in particular
  173: dnl MacOSX) disable some features then (MacOSX checks for _POSIX_SOURCE,
  174: dnl but not for _XOPEN_SOURCE)
  175: dnl AC_DEFINE_UNQUOTED([_POSIX_SOURCE],1,[feature test macro])
  176: dnl AC_DEFINE_UNQUOTED([_POSIX_C_SOURCE],199506L,[feature test macro])
  177: dnl AC_DEFINE_UNQUOTED([_XOPEN_SOURCE],600,[feature test macro])
  178: # turn on large file support with 64-bit off_t where available
  179: AC_SYS_LARGEFILE
  180: dnl AC_DEFINE_UNQUOTED([_LARGEFILE_SOURCE],1,[feature test macro])
  181: dnl AC_DEFINE_UNQUOTED([_FILE_OFFSET_BITS],64,[feature test macro])
  182: 
  183: #currently we force direct threading this way.  Eventually we should
  184: #setup in the arch and engine files right
  185: 
  186: AC_PROG_CC
  187: 
  188: test "$GCC" = "yes" || AC_MSG_ERROR(Gforth uses GNU C extensions and requires GCC 2.0 or higher)
  189: 
  190: test "x$SH" = "x" && SH="/bin/sh"
  191: 
  192: AC_MSG_CHECKING([whether to use two dispatches per conditional branch])
  193: test x$condbranch_opt = x && 
  194: if ($CC -v 2>&1 |grep 'gcc version 3' >/dev/null); then
  195:    condbranch_opt=0
  196: else
  197:    condbranch_opt=1
  198: fi
  199: AC_MSG_RESULT($condbranch_opt)
  200: AC_SUBST(condbranch_opt)
  201: AC_SUBST(host_cpu)
  202: 
  203: AC_SUBST(SH)
  204: AC_SUBST(CC)
  205: AC_SUBST(GCC_LD)
  206: AC_SUBST(DEBUGFLAG)
  207: AC_SUBST(EC)
  208: AC_SUBST(NO_EC)
  209: AC_SUBST(NO_CROSS)
  210: AC_SUBST(EC_MODE)
  211: AC_SUBST(engine2)
  212: AC_SUBST(engine_fast2)
  213: AC_SUBST(no_dynamic)
  214: AC_SUBST(image_i)
  215: AC_SUBST(signals_o)
  216: AC_SUBST(mi_prefix)
  217: 
  218: #this is used to disable some (not generally essential) part of the
  219: #Makefile that some makes don't grok.  It would be better to test for
  220: #this specific Makefile feature than the make version.
  221: AC_MSG_CHECKING(make type)
  222: make_type=`make -n -v 2>&1|grep 'ake'|sed 's/ake .*/ake/'`
  223: GNUMAKE='#'
  224: test "$make_type" = "GNU Make" && GNUMAKE=''
  225: AC_MSG_RESULT($make_type)
  226: AC_SUBST(GNUMAKE)
  227: 
  228: if test "$ac_export_dynamic" != yes; then
  229:   AC_MSG_CHECKING([whether the linker accepts -export-dynamic])
  230:   OLDLDFLAGS=$LDFLAGS
  231:   LDFLAGS="$LDFLAGS -export-dynamic"
  232:   dnl AC_TRY_LINK gives false positive on rs6000-ibm-aix4.2.1.0
  233:   dnl AC_TRY_LINK(,,ac_export_dynamic=yes,ac_export_dynamic=no)
  234:   AC_TRY_RUN(main(){exit(0);},ac_export_dynamic=yes,ac_export_dynamic=no,ac_export_dynamic=no)
  235:   test $ac_export_dynamic = yes|| LDFLAGS=$OLDLDFLAGS
  236:   AC_MSG_RESULT($ac_export_dynamic)
  237: else
  238:   LDFLAGS="$LDFLAGS -export-dynamic"
  239: fi
  240: 
  241: #terminology is a bit unusual here: The host is the system on which
  242: #gforth will run; the system on which configure will run is the `build'
  243: case "$host_cpu" in
  244: 	arm*)
  245: 		machine=arm
  246: 		CFLAGS="$CFLAGS -fomit-frame-pointer"
  247: 		if test x$platform = xnxt; then
  248: 		   CFLAGS="$CFLAGS -mthumb -mthumb-interwork"
  249: 		fi
  250: 		if test -z $arm_cacheflush; then
  251: 		   case "$host_os" in
  252: 		     *linux*)
  253: 			AC_LIBOBJ(../arch/arm/cacheflush-linux) 
  254: 			;;
  255: 		     *)   
  256: 			no_dynamic_default=1
  257: 			AC_LIBOBJ(../arch/arm/cacheflush0)
  258: 			AC_MSG_WARN([No I-cache flush code known, disabling dynamic native code generation])
  259: 			;;
  260:                    esac
  261:                 else
  262:                    AC_LIBOBJ(../$arm_cacheflush)
  263:                    test $srcdir = . || AC_MSG_WARN([setting arm_cacheflush requires building in the source directory])
  264: 		fi
  265:                 #longer skipcodes lead to problems on ARM, and it uses
  266:                 #only 4-byte alignment anyway
  267: 		test "$skipcode" || skipcode="nop"
  268: 		;;
  269: 	hppa*)
  270: 		machine=hppa
  271: 		AC_LIBOBJ(../arch/hppa/cache)
  272: 		#-N needed for --dynamic <M4U3b.3790$9d.317@news.cpqcorp.net>
  273: 		LDFLAGS="$LDFLAGS -Xlinker -N"
  274: 		LIBS="$LIBS -L/lib/pa1.1/"
  275: 		;;
  276: 	sparc*)
  277: 		machine=sparc
  278: 		;;
  279: 	i386)
  280: 		machine=386
  281: 		CFLAGS="$CFLAGS -fomit-frame-pointer -fforce-addr"
  282: 		;;
  283: 	i486)
  284: 		machine=386
  285: 		CFLAGS="$CFLAGS -fomit-frame-pointer -fforce-addr"
  286: 		CFLAGS_1="$CFLAGS"
  287: 		CFLAGS="$CFLAGS -march=i486"
  288: 		AC_TRY_COMPILE(,,,CFLAGS="$CFLAGS_1 -m486")
  289: 		AC_TRY_COMPILE(,,,CFLAGS="$CFLAGS_1")
  290: 		;;
  291: 	i*86)
  292: 		machine=386
  293: 		CFLAGS="$CFLAGS -fomit-frame-pointer -fforce-addr"
  294: 		CFLAGS_1="$CFLAGS"
  295: 		CFLAGS="$CFLAGS -march=pentium -mtune=generic"
  296: 		AC_TRY_COMPILE(,,,CFLAGS="$CFLAGS_1 -march=pentium")
  297: 		AC_TRY_COMPILE(,,,CFLAGS="$CFLAGS_1 -m486")
  298: 		AC_TRY_COMPILE(,,,CFLAGS="$CFLAGS_1")
  299: 		;;
  300: 	x86_64)
  301: 		case $CC
  302: 		in
  303: 		    *-m32*)
  304: 		    	machine=386
  305: 			CFLAGS="$CFLAGS -fomit-frame-pointer -fforce-addr"
  306: 			CFLAGS_1="$CFLAGS"
  307: 			CFLAGS="$CFLAGS -march=athlon64"
  308: 			;;
  309: 		    *)
  310: 		    	machine=amd64
  311: 			;;
  312: 		esac
  313: 		;;
  314: 	ia64*)
  315: 		machine=ia64
  316: 		AC_LIBOBJ(../arch/ia64/flush_icache_block)
  317: 		test "$skipcode" || skipcode="nop.i 0"
  318: 		#".skip 16" passes the test below,
  319: 		# but gives an assembler error in engine
  320: 		;;
  321:         m68k)
  322: 		machine=m68k
  323: 		CFLAGS="$CFLAGS -fomit-frame-pointer"
  324: 		if test "$host_os" = "nextstep3"
  325: 		then
  326: 			AC_LIBOBJ(termios)
  327: 		fi
  328: 		;;
  329: 	mips*)
  330: 		machine=mips
  331: 		AC_LIBOBJ(../arch/mips/check_prim) 
  332: 		#dynamic native code has the following problems on MIPS:
  333: 		#
  334: 		#1) J/JAL seems relocatable, but is are only
  335: 		#relocatable within a 256MB-segment.  While we try to
  336: 		#get the linker to arrange this, there is no guarantee
  337: 		#that this will succeed (and if the user uses a lot of
  338: 		#memory, it is likely to fail).
  339: 		#
  340: 		#2) The way we generate dynamic native code may
  341: 		#violate MIPS architectural restrictions (in
  342: 		#particular, the delay slots of LW, MFLO, etc.)
  343: 		#
  344: 		#Therefore we disable dynamic native code by default:
  345: 		if test -z "$no_dynamic_default"; then
  346: 		    no_dynamic_default=1
  347: 		    AC_MSG_WARN([Disabling default dynamic native code generation (relocation and delay slot issues)])
  348: 		fi
  349: 		;;
  350: 	alpha*)
  351: 		machine=alpha
  352: 		#full IEEE FP support for more uniformity across platforms:
  353: 		CFLAGS="$CFLAGS -mieee"
  354: 		;;
  355: 	power*|rs6000)
  356: 		machine=power
  357: 		AC_CHECK_FUNC(_sync_cache_range,[true],[AC_LIBOBJ(../arch/power/_sync_cache_range)])
  358: 		#long long is broken on (at least) gcc-2.95.* for PPC
  359: 		test x$ac_cv_sizeof_long_long = x && 
  360: 		($CC -v 2>&1 |grep 'gcc version 2.95' >/dev/null) &&
  361:                      ac_cv_sizeof_long_long=0
  362:                 #The only architecture with enough callee-saved registers
  363:                 test x$STACK_CACHE_REGS = x && STACK_CACHE_REGS=3
  364:                 #or use 2, hardly slower at run-time and starts up faster
  365: 
  366:                 #the skipcode that is normally selected below does not
  367:                 #work with gcc-3.[34]
  368: 		test "$skipcode" || skipcode="nop\nnop\nnop\nnop"
  369: 		;;
  370: 	*)
  371: 		AC_MSG_WARN([Using a generic machine description])
  372: 		AC_MSG_WARN([Assuming C floats and doubles are IEEE floats and doubles (for SF@ DF@ SF! DF!)])
  373: 		AC_MSG_WARN([FLUSH-ICACHE will do nothing, so END-CODE may not work properly!])
  374: 		machine=generic
  375: 		#I-cache flushing would be needed for dynamic code generation
  376: 		if test -z $no_dynamic_default; then
  377: 		    no_dynamic_default=1
  378: 		    AC_MSG_WARN([No I-cache flush code known, disabling dynamic native code generation])
  379: 		fi
  380: esac
  381: AC_SUBST(host)
  382: 
  383: MAKEINC=""
  384: GFORTH_EXE="true"
  385: 
  386: echo "Check for arch/$machine/$platform/gforth.ld ($EC_MODE)"
  387: if test x$EC_MODE = xtrue
  388: then
  389: 	echo "Check for arch/$machine/$platform/gforth.ld"
  390: 	if test -f arch/$machine/$platform/gforth.ld
  391: 	then
  392: 		LDFLAGS="-T ../arch/$machine/$platform/gforth.ld -Map \$@.map -cref --gc-sections $LDFLAGS"
  393: 		if test x$platform = xnxt; then
  394: 			LIBS="$LIB_PATH/lib/gcc/arm-elf/$($CC --version | grep GCC | cut -d' ' -f3)/interwork/libgcc.a $LIB_PATH/arm-elf/lib/interwork/libc.a $LIBS"
  395: 		fi
  396: 	fi
  397: 	if test -f arch/$machine/$platform/make.inc
  398: 	then
  399: 		MAKEINC="include ../arch/$machine/$platform/make.inc"
  400: 		GFORTH_EXE="\$(MAKE) -f arch/$machine/$platform/make.inc \$@.exe"
  401: 	fi
  402: fi
  403: AC_SUBST(MAKEINC)
  404: 
  405: AC_ARG_VAR(STACK_CACHE_REGS, [number of registers in the maximum stack cache state for gforth-fast and gforth-native (default platform-dependent).])
  406: 
  407: test x$STACK_CACHE_REGS = x && STACK_CACHE_REGS=1
  408: AC_DEFINE_UNQUOTED(STACK_CACHE_REGS, $STACK_CACHE_REGS,
  409: 		   [number of registers in the maximum stack cache state for gforth-fast and gforth-native])
  410: test x$STACK_CACHE_DEFAULT_FAST = x && STACK_CACHE_DEFAULT_FAST=1
  411: AC_DEFINE_UNQUOTED(STACK_CACHE_DEFAULT_FAST, $STACK_CACHE_DEFAULT_FAST,
  412: 		   [number of registers in the default stack cache state for gforth-fast and gforth-native])
  413: 
  414: test x$GCC_PR15242_WORKAROUND = x ||
  415: AC_DEFINE_UNQUOTED(GCC_PR15242_WORKAROUND, $GCC_PR15242_WORKAROUND,
  416:                    [force (1) or forbid (0) use of a workaround for a gcc performance bug])
  417: 
  418: dnl the following macro produces a warning with autoconf-2.1
  419: AC_CHECK_SIZEOF(char *)
  420: case "$ac_cv_sizeof_char_p" in
  421:   2)
  422:     wordsize=16
  423:     ;;
  424:   4)
  425:     wordsize=32
  426:     ;;
  427:   8)
  428:     wordsize=64
  429:     ;;
  430: esac
  431: 
  432: AC_CHECK_SIZEOF(void *)
  433: case "$ac_cv_sizeof_void_p" in
  434:   2)
  435:     vwordsize=16
  436:     ;;
  437:   4)
  438:     vwordsize=32
  439:     ;;
  440:   8)
  441:     vwordsize=64
  442:     ;;
  443: esac
  444: 
  445: AC_CHECK_SIZEOF(char)
  446: AC_CHECK_SIZEOF(short)
  447: AC_CHECK_SIZEOF(int)
  448: AC_CHECK_SIZEOF(long)
  449: AC_CHECK_SIZEOF(long long)
  450: AC_CHECK_SIZEOF(intptr_t)
  451: AC_CHECK_SIZEOF(int128_t)
  452: AC_CHECK_SIZEOF(uint128_t)
  453: 
  454: AC_MSG_CHECKING([for a C type for cells])
  455: ac_cv_int_type_cell=none
  456: case "$ac_cv_sizeof_char_p" in
  457:   $ac_cv_sizeof_int)
  458:     ac_cv_int_type_cell=int
  459:     ;;
  460:   $ac_cv_sizeof_short)
  461:     ac_cv_int_type_cell=short
  462:     ;;
  463:   $ac_cv_sizeof_char)
  464:     ac_cv_int_type_cell=char
  465:     ;;
  466:   $ac_cv_sizeof_long)
  467:     ac_cv_int_type_cell=long
  468:     ;;
  469:   $ac_cv_sizeof_long_long)
  470:     ac_cv_int_type_cell="long long"
  471:     ;;
  472:   $ac_cv_sizeof_intptr_t)
  473:     ac_cv_int_type_cell="intptr_t"
  474:     ;;
  475: esac
  476: AC_MSG_RESULT($ac_cv_int_type_cell)
  477: AC_DEFINE_UNQUOTED(CELL_TYPE,$ac_cv_int_type_cell,[an integer type that is as long as a pointer])
  478: 
  479: AC_MSG_CHECKING([for a C type for wydes])
  480: ac_cv_wyde_type_cell=none
  481: case 2 in
  482:   $ac_cv_sizeof_int)
  483:     ac_cv_wyde_type_cell=int
  484:     ;;
  485:   $ac_cv_sizeof_short)
  486:     ac_cv_wyde_type_cell=short
  487:     ;;
  488:   $ac_cv_sizeof_char)
  489:     ac_cv_wyde_type_cell=char
  490:     ;;
  491:   $ac_cv_sizeof_long)
  492:     ac_cv_wyde_type_cell=long
  493:     ;;
  494:   $ac_cv_sizeof_long_long)
  495:     ac_cv_wyde_type_cell="long long"
  496:     ;;
  497:   $ac_cv_sizeof_intptr_t)
  498:     ac_cv_wyde_type_cell="intptr_t"
  499:     ;;
  500: esac
  501: AC_MSG_RESULT($ac_cv_wyde_type_cell)
  502: AC_DEFINE_UNQUOTED(WYDE_TYPE,$ac_cv_wyde_type_cell,[an integer type that is 2 bytes long])
  503: 
  504: AC_MSG_CHECKING([for a C type for tetrabytes])
  505: ac_cv_tetrabyte_type_cell=none
  506: case 4 in
  507:   $ac_cv_sizeof_int)
  508:     ac_cv_tetrabyte_type_cell=int
  509:     ;;
  510:   $ac_cv_sizeof_short)
  511:     ac_cv_tetrabyte_type_cell=short
  512:     ;;
  513:   $ac_cv_sizeof_char)
  514:     ac_cv_tetrabyte_type_cell=char
  515:     ;;
  516:   $ac_cv_sizeof_long)
  517:     ac_cv_tetrabyte_type_cell=long
  518:     ;;
  519:   $ac_cv_sizeof_long_long)
  520:     ac_cv_tetrabyte_type_cell="long long"
  521:     ;;
  522:   $ac_cv_sizeof_intptr_t)
  523:     ac_cv_tetrabyte_type_cell="intptr_t"
  524:     ;;
  525: esac
  526: AC_MSG_RESULT($ac_cv_tetrabyte_type_cell)
  527: AC_DEFINE_UNQUOTED(TETRABYTE_TYPE,$ac_cv_tetrabyte_type_cell,[an integer type that is 4 bytes long])
  528: 
  529: AC_MSG_CHECKING([for a C type for octabytes])
  530: ac_cv_octabyte_type_cell=none
  531: case 8 in
  532:   $ac_cv_sizeof_int)
  533:     ac_cv_octabyte_type_cell=int
  534:     ;;
  535:   $ac_cv_sizeof_short)
  536:     ac_cv_octabyte_type_cell=short
  537:     ;;
  538:   $ac_cv_sizeof_char)
  539:     ac_cv_octabyte_type_cell=char
  540:     ;;
  541:   $ac_cv_sizeof_long)
  542:     ac_cv_octabyte_type_cell=long
  543:     ;;
  544:   $ac_cv_sizeof_long_long)
  545:     ac_cv_octabyte_type_cell="long long"
  546:     ;;
  547:   $ac_cv_sizeof_intptr_t)
  548:     ac_cv_octabyte_type_cell="intptr_t"
  549:     ;;
  550: esac
  551: AC_MSG_RESULT($ac_cv_octabyte_type_cell)
  552: AC_DEFINE_UNQUOTED(OCTABYTE_TYPE,$ac_cv_octabyte_type_cell,[an integer type that is 8 bytes long])
  553: 
  554: AC_MSG_CHECKING([for a C type for double-cells])
  555: ac_cv_int_type_double_cell=none
  556: case `expr 2 '*' "$ac_cv_sizeof_char_p"` in
  557:   $ac_cv_sizeof_short)
  558:     ac_cv_int_type_double_cell=short
  559:     ;;
  560:   $ac_cv_sizeof_int)
  561:     ac_cv_int_type_double_cell=int
  562:     ;;
  563:   $ac_cv_sizeof_long)
  564:     ac_cv_int_type_double_cell=long
  565:     ;;
  566:   $ac_cv_sizeof_long_long)
  567:     ac_cv_int_type_double_cell="long long"
  568:     ;;
  569:   $ac_cv_sizeof_intptr_t)
  570:     ac_cv_int_type_double_cell="intptr_t"
  571:     ;;
  572:   $ac_cv_sizeof_int128_t)
  573:     ac_cv_int_type_double_cell="int128_t"
  574:     ;;
  575: esac
  576: AC_MSG_RESULT($ac_cv_int_type_double_cell)
  577: 
  578: AC_MSG_CHECKING([for a C type for unsigned double-cells])
  579: ac_cv_int_type_double_ucell=none
  580: case `expr 2 '*' "$ac_cv_sizeof_char_p"` in
  581:   $ac_cv_sizeof_short)
  582:     ac_cv_int_type_double_ucell="unsigned short"
  583:     ;;
  584:   $ac_cv_sizeof_int)
  585:     ac_cv_int_type_double_ucell="unsigned int"
  586:     ;;
  587:   $ac_cv_sizeof_long)
  588:     ac_cv_int_type_double_ucell="unsigned long"
  589:     ;;
  590:   $ac_cv_sizeof_long_long)
  591:     ac_cv_int_type_double_ucell="unsigned long long"
  592:     ;;
  593:   $ac_cv_sizeof_intptr_t)
  594:     ac_cv_int_type_double_ucell="unsigned intptr_t"
  595:     ;;
  596:   $ac_cv_sizeof_uint128_t)
  597:     ac_cv_int_type_double_ucell="uint128_t"
  598:     ;;
  599: esac
  600: AC_MSG_RESULT($ac_cv_int_type_double_ucell)
  601: 
  602: if test "$ac_cv_int_type_double_cell" != none && \
  603:    test "$ac_cv_int_type_double_ucell" != none
  604: then
  605: 	AC_DEFINE_UNQUOTED(DOUBLE_CELL_TYPE,$ac_cv_int_type_double_cell,[an integer type that is twice as long as a pointer])
  606: 	AC_DEFINE_UNQUOTED(DOUBLE_UCELL_TYPE,$ac_cv_int_type_double_ucell,[an unsigned integer type that is twice as long as a pointer])
  607:         OPTS=-ll
  608: else
  609:         if test "$ac_cv_sizeof_char_p" = 8; then
  610:            OPTS="-ll -noll"
  611:         else
  612:            OPTS=-noll
  613:         fi
  614: fi
  615: 
  616: if grep FORCE_REG $srcdir/arch/$machine/machine.h >/dev/null; then
  617:    OPTS2=''
  618:    for i in $OPTS; do OPTS2="$OPTS2 $i-reg"; done
  619:    OPTS="$OPTS2 $OPTS"
  620: else
  621:   AC_DEFINE_UNQUOTED(FORCE_REG_UNNECESSARY,,[defined if the platform does not need FORCE_REG])
  622: fi
  623: AC_SUBST(OPTS)
  624: 
  625: AC_TYPE_OFF_T
  626: AC_CHECK_SIZEOF(off_t)
  627: test $ac_cv_sizeof_off_t -gt $ac_cv_sizeof_char_p
  628: ac_small_off_t=$?
  629: AC_DEFINE_UNQUOTED(SMALL_OFF_T,$ac_small_off_t,[1 if off_t fits in a Cell])
  630: 
  631: ENGINE_FLAGS=
  632: AC_SUBST(ENGINE_FLAGS)
  633: 
  634: # Try if GCC understands -fno-gcse
  635: 
  636: AC_MSG_CHECKING([if $CC understands -fno-gcse])
  637: CFLAGS_1="$CFLAGS"
  638: CFLAGS="$CFLAGS -fno-gcse"
  639: AC_TRY_COMPILE(,,ac_nogcse=yes;ENGINE_FLAGS="$ENGINE_FLAGS -fno-gcse",ac_nogcse=no)
  640: CFLAGS="$CFLAGS_1"
  641: AC_MSG_RESULT($ac_nogcse)
  642: 
  643: # Try if GCC understands -fno-strict-aliasing
  644: AC_MSG_CHECKING([if $CC understands -fno-strict-aliasing])
  645: CFLAGS_1="$CFLAGS"
  646: CFLAGS="$CFLAGS -fno-strict-aliasing"
  647: AC_TRY_COMPILE(,,ac_nostrictaliasing=yes;ENGINE_FLAGS="$ENGINE_FLAGS -fno-strict-aliasing",ac_nostrictaliasing=no)
  648: CFLAGS="$CFLAGS_1"
  649: AC_MSG_RESULT($ac_nostrictaliasing)
  650: 
  651: # Try if GCC understands -fno-crossjumping
  652: AC_MSG_CHECKING([if $CC understands -fno-crossjumping])
  653: CFLAGS_1="$CFLAGS"
  654: CFLAGS="$CFLAGS -fno-crossjumping"
  655: AC_TRY_COMPILE(,,ac_nocrossjumping=yes;ENGINE_FLAGS="$ENGINE_FLAGS -fno-crossjumping",ac_nocrossjumping=no)
  656: CFLAGS="$CFLAGS_1"
  657: AC_MSG_RESULT($ac_nocrossjumping)
  658: 
  659: # Try if GCC understands -fno-reorder-blocks
  660: AC_MSG_CHECKING([if $CC understands -fno-reorder-blocks])
  661: CFLAGS_1="$CFLAGS"
  662: CFLAGS="$CFLAGS -fno-reorder-blocks"
  663: AC_TRY_COMPILE(,,ac_noreorder_blocks=yes;ENGINE_FLAGS="$ENGINE_FLAGS -fno-reorder-blocks",ac_noreorder_blocks=no)
  664: CFLAGS="$CFLAGS_1"
  665: AC_MSG_RESULT($ac_noreorder_blocks)
  666: 
  667: # Try if GCC understands -falign-labels=1
  668: AC_MSG_CHECKING([if $CC understands -falign-labels=1])
  669: CFLAGS_1="$CFLAGS"
  670: CFLAGS="$CFLAGS -falign-labels=1"
  671: AC_TRY_COMPILE(,,ac_align_labels=yes;ENGINE_FLAGS="$ENGINE_FLAGS -falign-labels=1",ac_align_labels=no)
  672: CFLAGS="$CFLAGS_1"
  673: AC_MSG_RESULT($ac_align_labels)
  674: 
  675: # Try if GCC understands -falign-loops=1
  676: AC_MSG_CHECKING([if $CC understands -falign-loops=1])
  677: CFLAGS_1="$CFLAGS"
  678: CFLAGS="$CFLAGS -falign-loops=1"
  679: AC_TRY_COMPILE(,,ac_align_loops=yes;ENGINE_FLAGS="$ENGINE_FLAGS -falign-loops=1",ac_align_loops=no)
  680: CFLAGS="$CFLAGS_1"
  681: AC_MSG_RESULT($ac_align_loops)
  682: 
  683: # Try if GCC understands -falign-jumps=1
  684: AC_MSG_CHECKING([if $CC understands -falign-jumps=1])
  685: CFLAGS_1="$CFLAGS"
  686: CFLAGS="$CFLAGS -falign-jumps=1"
  687: AC_TRY_COMPILE(,,ac_align_jumps=yes;ENGINE_FLAGS="$ENGINE_FLAGS -falign-jumps=1",ac_align_jumps=no)
  688: CFLAGS="$CFLAGS_1"
  689: AC_MSG_RESULT($ac_align_jumps)
  690: 
  691: if test -z "$LIBTOOL_CC"
  692: then
  693:   LIBTOOL_CC="$CC"
  694:   # Try if GCC understands -Wimplicit-function-declaration
  695:   AC_MSG_CHECKING([if $CC understands -Wimplicit-function-declaration])
  696:   CFLAGS_1="$CFLAGS"
  697:   CFLAGS="$CFLAGS -Wimplicit-function-declaration"
  698:   AC_TRY_COMPILE(,,LIBTOOL_CC="$CC -Wimplicit-function-declaration",)
  699:   CFLAGS="$CFLAGS_1"
  700:   AC_MSG_RESULT($ac_align_jumps)
  701: fi
  702: AC_SUBST(LIBTOOL_CC)
  703: 
  704: 
  705: 
  706: # Try if GCC understands __attribute__((unused))
  707: AC_MSG_CHECKING([how to suppress 'unused variable' warnings])
  708: AC_TRY_COMPILE(,[int __attribute__((unused)) foo;], MAYBE_UNUSED='__attribute__((unused))',)
  709: AC_DEFINE_UNQUOTED(MAYBE_UNUSED,$MAYBE_UNUSED,[attribute for possibly unused variables])
  710: AC_MSG_RESULT($MAYBE_UNUSED)
  711: 
  712: # Try if GCC understands __thread
  713: AC_CACHE_CHECK([whether gcc understands '__thread'], [ac_cv_thread],
  714:      [AC_TRY_COMPILE(,[extern __thread int foo;],
  715:                         [ac_cv_thread=yes],
  716:                         [ac_cv_thread=no])])
  717: test x$ac_cv_thread = xyes && PER_THREAD='__thread'
  718: AC_DEFINE_UNQUOTED(PER_THREAD,$PER_THREAD,[storage class for thread-local variables])
  719: 
  720: #try if m4 understands -s
  721: AC_MSG_CHECKING([how to invoke m4])
  722: if m4 -s /dev/null >/dev/null 2>&1; then
  723:  M4="m4 -s"
  724: else
  725:  M4=m4
  726: fi
  727: AC_SUBST(M4)
  728: AC_MSG_RESULT($M4)
  729: 
  730: #echo "machine='$machine'"
  731: 
  732: dnl AC_CHECK_PROG(asm_fs,asm.fs,arch/$machine/asm.fs,,$srcdir/arch/$machine)
  733: if test x$EC_MODE = xfalse
  734: then
  735:   AS_IF([test -f $srcdir/arch/$machine/asm.fs],
  736:         [asm_fs=arch/$machine/asm.fs])
  737: fi
  738: AC_SUBST(asm_fs)
  739: 
  740: dnl AC_CHECK_PROG(disasm_fs,disasm.fs,arch/$machine/disasm.fs,,$srcdir/arch/$machine)
  741: if test x$EC_MODE = xfalse
  742: then
  743:   AS_IF([test -f $srcdir/arch/$machine/disasm.fs],
  744:    	[disasm_fs=arch/$machine/disasm.fs])
  745: fi
  746: AC_SUBST(disasm_fs)
  747: 
  748: AC_PATH_PROG(INSTALL_INFO,install-info,[echo '>>>>Please make info dir entry:'],$PATH:/sbin:/usr/sbin:/usr/local/sbin)
  749: 
  750: case "$host_os" in
  751: 	*win32*)
  752: 		# !!!FIXME!!! problems with cygwin and ';' as path separator
  753: 		DIRSEP="\\\\"
  754: 		PATHSEP=";"
  755: 		#we want the builtins of command.com/cmd.exe and its
  756: 		# handling of .com files.
  757: 		#$COMSPEC contains the name of the Windows shell;
  758: 		# the ./ is there, because the bash does not recognize
  759: 		# absolute DOS filenames
  760: 		DEFAULTSYSTEMPREFIX="./$COMSPEC /c "
  761: 		;;
  762: 	*darwin*)
  763: 		#Darwin uses some funny preprocessor by default; eliminate it:
  764: 		AC_MSG_NOTICE([using -no-cpp-precomp on Darwin])
  765: 		CFLAGS="$CFLAGS -no-cpp-precomp"
  766: 		DIRSEP="/"
  767: 		PATHSEP=":"
  768: 		DEFAULTSYSTEMPREFIX=""
  769:                 #the following magic value was suggested by
  770:                 #http://mail.python.org/pipermail/pythonmac-sig/2005-October/015190.html
  771:                 AC_DEFINE_UNQUOTED(MACOSX_DEPLOYMENT_TARGET,"10.3",[an environment variable value needed by libtool on some MacOS X versions])
  772: 		;;
  773: 	*linux*)
  774: 		DIRSEP="/"
  775: 		PATHSEP=":"
  776: 		DEFAULTSYSTEMPREFIX=""
  777: 		if test -z "$LTDL_LIBRARY_PATH" -a "$wordsize" = 64; then
  778: 		   LTDL_LIBRARY_PATH=`/sbin/ldconfig -p |tail -n +2 |sed 's/^.* => //'|sed 's|/[[^/]]*$||'| grep 64 | sort -u | tr '\n' : | sed -e 's/:$//'`
  779: 		fi
  780: 		;;
  781: 	*)
  782: 		DIRSEP="/"
  783: 		PATHSEP=":"
  784: 		DEFAULTSYSTEMPREFIX=""
  785: 		;;
  786: esac
  787: AC_SUBST(DIRSEP)
  788: AC_DEFINE_UNQUOTED(DIRSEP,'$DIRSEP',[a directory separator character])
  789: AC_SUBST(PATHSEP)
  790: AC_DEFINE_UNQUOTED(PATHSEP,'$PATHSEP',[a path separator character])
  791: AC_SUBST(DEFAULTSYSTEMPREFIX)
  792: AC_DEFINE_UNQUOTED(DEFAULTSYSTEMPREFIX,"$DEFAULTSYSTEMPREFIX",[default for environment variable GFORTHSYSTEMPREFIX])
  793: if test -n "$LTDL_LIBRARY_PATH"; then
  794:    AC_DEFINE_UNQUOTED(LTDL_LIBRARY_PATH,"$LTDL_LIBRARY_PATH",[Define LTDL_LIBRARY_PATH for 64 bit Linux])
  795: fi                                                                
  796: 
  797: #work around SELinux brain damage (from Andrew Haley <12t8f3jakb74g2c@news.supernews.com>)
  798: #This magic incantation  seems to be completely undocumented.
  799: AC_CHECK_PROG([MASSAGE_EXE],[chcon],[chcon -t unconfined_execmem_exec_t],[true])
  800: 
  801: dnl Now a little support for DOS/DJGCC
  802: GFORTHFAST_EXE="$GFORTH_EXE"
  803: GFORTHITC_EXE="$GFORTH_EXE"
  804: GFORTHDITC_EXE="$GFORTH_EXE"
  805: AC_SUBST(GFORTH_EXE)
  806: AC_SUBST(GFORTHFAST_EXE)
  807: AC_SUBST(GFORTHITC_EXE)
  808: AC_SUBST(GFORTHDITC_EXE)
  809: 
  810: AC_SUBST(FORTHSIZES)
  811: 
  812: dnl if test "$PEEPHOLE" = "yes"
  813: dnl then
  814: dnl    PEEPHOLEFLAG="true"
  815: dnl    AC_DEFINE(HAS_PEEPHOLE,,[Define if you want to use peephole optimization])
  816: dnl else
  817: dnl    PEEPHOLEFLAG="false"
  818: dnl fi
  819: PEEPHOLEFLAG="true"
  820: AC_SUBST(PEEPHOLEFLAG)
  821: 
  822: dnl copy commands for systems that don't have links
  823: AC_SUBST(LINK_KERNL)
  824: LINK_KERNL=""
  825: 
  826: #if test $host_os=dos
  827: #then
  828: #  echo Configuring for DOS!!!
  829: #  MAKE_EXE="coff2exe gforth"
  830: #  LINK_KERNL='$(CP) kernl32l.fi kernel.fi'
  831: #fi
  832: 
  833: dnl the following macro produces a warning with autoconf-2.1
  834: AC_C_BIGENDIAN
  835: AC_SUBST(KERNEL)
  836: dnl ac_cv_c_bigendian is an undocumented variable of autoconf-2.1
  837: if test $ac_cv_c_bigendian != no; then
  838:   bytesex=b
  839:   KERNEL="kernl16b.fi kernl16l.fi kernl32b.fi kernl32l.fi kernl64b.fi kernl64l.fi"
  840: else
  841:   bytesex=l
  842:   KERNEL="kernl16l.fi kernl16b.fi kernl32l.fi kernl32b.fi kernl64l.fi kernl64b.fi"
  843: fi
  844: 
  845: #check how to do asm(".skip 16")
  846: #echo "CFLAGS=$CFLAGS"
  847: #echo "ac_link=$ac_link"
  848: AC_MSG_CHECKING([if and how we can waste code space])
  849: if test -z "$skipcode" && test x$cross_compiling = xyes; then
  850:    # we cannot perform the AC_TRY_RUN check when cross-compiling.  
  851:    skipcode=no
  852:    AC_MSG_RESULT([$skipcode, can't run checks since cross-compiling])
  853: elif test -z "$skipcode"; then
  854:     skipcode=no
  855:     CFLAGS_1="$CFLAGS"
  856:     CFLAGS="$CFLAGS $ENGINE_FLAGS"
  857:     for i in ".skip 16" ".block 16" ".org .+16" ".=.+16" ".space 16"
  858:     do
  859: 	AC_TRY_RUN(
  860: [int foo(int,int,int);
  861: main()
  862: {
  863:   exit(foo(0,0,0)!=16);
  864: }
  865: int foo(int x, int y, int z)
  866: {
  867:   static void *labels[]={&&label1, &&label2};
  868:   if (x) {
  869:     y++; /* workaround for http://gcc.gnu.org/bugzilla/show_bug.cgi?id=12108 */
  870:   label1:
  871:     asm("$i"); /* or ".space 16" or somesuch */
  872:   label2: ;
  873:   }
  874:   {
  875:   if (y) goto *labels[z]; /* workaround for gcc PR12108 */
  876:   return labels[1]-labels[0];
  877:   }
  878: }]
  879: 	,skipcode=$i; break
  880: 	,,)
  881:     done
  882:     CFLAGS=$CFLAGS_1
  883: fi
  884: AC_MSG_RESULT($skipcode)
  885: if test "$skipcode" = no
  886: then 
  887:     if test -z $no_dynamic_default; then
  888: 	no_dynamic_default=1
  889: 	AC_MSG_WARN(Disabling default dynamic native code generation)
  890:     fi
  891:     AC_DEFINE_UNQUOTED(SKIP16,asm(""),statement for skipping 16 bytes)
  892: else
  893:     AC_DEFINE_UNQUOTED(SKIP16,asm("$skipcode"),statement for skipping 16 bytes)
  894: fi
  895: 
  896: AC_MSG_CHECKING([if and how we can do comments in asm statements])
  897: #the point here is to get asm statements that look different to
  898: #gcc's "optimizer"
  899: if test -z "$asmcomment"; then
  900:     asmcomment=no
  901:     CFLAGS_1="$CFLAGS"
  902:     CFLAGS="$CFLAGS $ENGINE_FLAGS"
  903:     for i in '"# "' '"! "' '"; "'; do
  904: 	AC_TRY_COMPILE(,[asm($i"fluffystunk");],asmcomment=$i; break,)
  905:     done
  906:     CFLAGS=$CFLAGS_1
  907: fi
  908: AC_MSG_RESULT($asmcomment)
  909: if test "$asmcomment" != no
  910: then 
  911:     AC_DEFINE_UNQUOTED(ASMCOMMENT,$asmcomment,[assembler comment start string])
  912: fi
  913: 
  914: test "$no_dynamic_default" || no_dynamic_default=0
  915: AC_DEFINE_UNQUOTED(NO_DYNAMIC_DEFAULT,$no_dynamic_default,default value for no_dynamic)
  916: 
  917: dnl Checks for programs.
  918: AC_PROG_LN_S
  919: AC_PROG_INSTALL
  920: AC_CHECK_PROGS(TEXI2DVI,texi2dvi4a2ps texi2dvi)
  921: 
  922: dnl check for the presence of Emacs
  923: AC_CHECK_PROGS(EMACS,emacs xemacs)
  924: test -n "$EMACS" && gforth_elc=gforth.elc
  925: AC_SUBST(gforth_elc)
  926: 
  927: dnl MacOS X has a libtool that does something else
  928: AC_CHECK_PROGS(GNU_LIBTOOL,"glibtool --tag=CC" libtool)
  929: 
  930: dnl Checks for library functions
  931: dnl This check is just for making later checks link with libm.
  932: dnl using sin here is no good idea since it is built-into gcc and typechecked
  933: AC_CHECK_LIB(m,asin)
  934: AC_CHECK_LIB(ltdl,lt_dlinit)
  935: dnl ,LIB_SUFFIX=.la,LIB_SUFFIX=.so)
  936: if test "x$ac_cv_lib_ltdl_lt_dlinit" = xyes; then
  937:   LIB_SUFFIX=.la
  938: else
  939:   LIB_SUFFIX=.so
  940: fi
  941: AC_SUBST(LIB_SUFFIX)
  942: AC_CHECK_LIB(rt,clock_gettime)
  943: 
  944: if test -n "$GNU_LIBTOOL" -a $ac_cv_lib_ltdl_lt_dlinit = yes; then
  945:   build_libcc_named=build-libcc-named
  946: else
  947:   build_libcc_named=""
  948:   AC_MSG_WARN([No GNU_LIBTOOL found, skip pre-building libcc-based libraries])
  949: fi
  950: AC_SUBST(build_libcc_named)
  951: 
  952: 
  953: if test -z "$GNU_LIBTOOL"; then
  954:   AC_MSG_WARN([No GNU_LIBTOOL found, using "libtool" as name.])
  955:   AC_MSG_WARN([libcc.fs won't work until you have installed (GNU) libtool.])
  956:   GNU_LIBTOOL=libtool
  957: fi
  958: 
  959: #check for libffi 2.x
  960: AC_CHECK_HEADER(ffi.h,FFI_H_NAME=ffi.h,)
  961: if test -z "$FFI_H_NAME"; then
  962:   AC_CHECK_HEADER(ffi/ffi.h,FFI_H_NAME=ffi/ffi.h,)
  963: fi
  964: AC_SUBST(FFI_H_NAME)
  965: AC_CHECK_LIB(ffi,ffi_call,LIBS="$LIBS")
  966: if test -n "$FFI_H_NAME" -a $ac_cv_lib_ffi_ffi_call = yes
  967: then
  968:   LIBFFIFLAG="true"
  969:   LIBCC_BUILD_SRC="$LIBCC_BUILD_SRC libffi.fs"
  970: else
  971:   LIBFFIFLAG="false"
  972: fi
  973: #check for ffcall libraries
  974: #unfortunately, these four calls are separated out into a library each.
  975: AC_CHECK_LIB(avcall,__builtin_avcall,LIBS="$LIBS")
  976: dnl AC_CHECK_LIB(callback,__vacall_r)
  977: dnl AC_CHECK_LIB(vacall,vacall)
  978: dnl AC_CHECK_LIB(trampoline,alloc_trampoline)
  979: if test $ac_cv_lib_avcall___builtin_avcall = yes; then
  980:   FFCALLFLAG="true"
  981:   LIBCC_BUILD_SRC="$LIBCC_BUILD_SRC fflib.fs"
  982: else
  983:   FFCALLFLAG="false"
  984: fi
  985: if test $LIBFFIFLAG = false -a $FFCALLFLAG = false; then
  986:   AC_MSG_WARN([The (old) lib.fs foreign function interface needs either libffi or the ffcall libraries])
  987: fi
  988: AC_SUBST(LIBFFIFLAG)
  989: AC_SUBST(FFCALLFLAG)
  990: AC_SUBST(LIBCC_BUILD_SRC)
  991: if test "$host_os" != "nextstep3"
  992: then
  993: 	AC_FUNC_MEMCMP
  994: fi
  995: AC_REPLACE_FUNCS(memmove strtoul pow10 sincos strerror strsignal atanh)
  996: AC_FUNC_FSEEKO
  997: AC_CHECK_FUNCS(ftello dlopen sys_siglist getrusage nanosleep clock_gettime)
  998: AC_CHECK_TYPES(stack_t,,,[#include <signal.h>])
  999: AC_DECL_SYS_SIGLIST
 1000: AC_CHECK_FUNC(getopt_long,[true],[AC_LIBOBJ(getopt) AC_LIBOBJ(getopt1)])
 1001: AC_CHECK_FUNCS(expm1 log1p)
 1002: AC_REPLACE_FUNCS(rint ecvt)
 1003: dnl No check for select, because our replacement is no good under
 1004: dnl anything but DOS
 1005: AC_CHECK_HEADERS(sys/mman.h fnmatch.h alloca.h wchar.h endian.h)
 1006: AC_FUNC_FNMATCH
 1007: test $ac_cv_func_fnmatch_works = yes || AC_LIBOBJ(fnmatch)
 1008: AC_CHECK_FUNCS(mmap sysconf getpagesize wcwidth)
 1009: AM_PATH_LISPDIR
 1010: 
 1011: kernel_fi=kernl${vwordsize}${bytesex}.fi
 1012: include_fi=kernl${wordsize}${bytesex}${EC}.fi
 1013: AC_SUBST(kernel_fi)
 1014: AC_SUBST(include_fi)
 1015: 
 1016: # Find installed Gforth
 1017: AC_MSG_CHECKING([for gforth])
 1018: GFORTH="`cd / && which gforth 2>/dev/null`"
 1019: #the "$srcdir" = "." test defends agains the "../" bug in gforth-0.6.2
 1020: (cd / && $GFORTH -e bye >/dev/null 2>/dev/null  && test "$srcdir" = ".") || GFORTH=""
 1021: if test -z "$GFORTH"; then
 1022:   PREFORTH='echo "You need to configure with a gforth in \$PATH to build this part" && false'
 1023:   GFORTHKER='echo "You need to configure with a gforth in \$PATH to build this part" && false'
 1024:   kernel_anti_dependence=''
 1025: else
 1026:   GFORTH_FI=`cd / && $GFORTH --debug -e bye 2>&1 |grep "Opened image file: "|sed 's/Opened image file: //'`
 1027:   PREFORTH="$GFORTH -i $GFORTH_FI" ;
 1028:   KERNLX_FI1=`echo $GFORTH_FI | sed -e s/lib[64]*/share/g -e s/gforth.fi/kernl*.fi/g`
 1029:   KERNLX_FI2=`echo $GFORTH_FI | sed -e s/gforth.fi/kernl*.fi/g`
 1030:   test -f $KERNLX_FI1 && KERNLX_FI=$KERNLX_FI1
 1031:   test -f $KERNLX_FI2 && KERNLX_FI=$KERNLX_FI2
 1032:   GFORTHKER="$GFORTH -i `echo $KERNLX_FI`" ;
 1033:   kernel_anti_dependence='$(kernel_fi)'
 1034: fi
 1035: AC_SUBST(PREFORTH)
 1036: AC_SUBST(GFORTHKER)
 1037: AC_SUBST(kernel_anti_dependence)
 1038: AC_MSG_RESULT($PREFORTH)
 1039: 
 1040: #this breaks bindists
 1041: #dnl replace srource directory by absolute value
 1042: #if test $srcdir = "."; then srcdir=`pwd` 
 1043: #fi
 1044: 
 1045: AC_SUBST(machine)
 1046: AC_CONFIG_FILES([
 1047: Makefile
 1048: Makedist
 1049: gforthmi
 1050: vmgen
 1051: machpc.fs
 1052: envos.fs
 1053: preforth
 1054: libforth
 1055: gforthker
 1056: engine/Makefile
 1057: engine/libcc.h
 1058: doc/version.texi
 1059: build-ec ])
 1060: AC_CONFIG_COMMANDS([stamp-h],[[echo timestamp > stamp-h
 1061: chmod +x gforthmi
 1062: chmod +x vmgen
 1063: chmod +x build-ec
 1064: chmod +x preforth
 1065: chmod +x libforth
 1066: chmod +x gforthker
 1067: test -d kernel||mkdir kernel
 1068: if test $srcdir != "."; then ln -sf $srcdir/gforth.el .; fi
 1069: $srcdir/mkinstalldirs include/gforth$ARCH/$PACKAGE_VERSION
 1070: $srcdir/mkinstalldirs arch/$machine
 1071: ln -sf ../../../engine/config.h ../../../engine/libcc.h include/gforth$ARCH/$PACKAGE_VERSION]],
 1072: [PACKAGE_VERSION=$PACKAGE_VERSION
 1073:  machine=$machine
 1074:  ARCH=$ARCH])
 1075: AC_OUTPUT

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