--- gforth/configure.in 2005/01/23 09:55:12 1.147 +++ gforth/configure.in 2006/02/19 22:15:05 1.155 @@ -1,6 +1,6 @@ dnl Process this file with autoconf to produce a configure script. -#Copyright (C) 1995,1996,1997,1998,2000,2003,2004 Free Software Foundation, Inc. +#Copyright (C) 1995,1996,1997,1998,2000,2003,2004,2005 Free Software Foundation, Inc. #This file is part of Gforth. @@ -34,19 +34,24 @@ AC_CONFIG_HEADERS(engine/config.h) test "$CFLAGS" || CFLAGS=-O2 AC_ARG_ENABLE(force-reg, -[ --enable-force-reg Use explicit register declarations if they appear in + AC_HELP_STRING([--enable-force-reg], + [ Use explicit register declarations if they appear in the machine.h file. This can cause a good speedup, but also incorrect code with some gcc versions on - some processors (default disabled).], -AC_DEFINE(FORCE_REG,,[Define if you want to use explicit register declarations for better performance or for more convenient CODE words (does not work with all GCC versions on all machines)])) + some processors (default disabled).]), + ,enable_force_reg=no) +test "$enable_force_reg" = "no"|| + AC_DEFINE(FORCE_REG,,[Define if you want to use explicit register declarations for better performance or for more convenient CODE words (does not work with all GCC versions on all machines)]) + AC_ARG_ENABLE(force-ll, -[ --enable-force-ll Use explicit long long declarations if they appear in + AC_HELP_STRING([--enable-force-ll], + [ Use explicit long long declarations if they appear in the machine.h file. This can cause a good speedup, but also incorrect code with some gcc versions on - some processors (default disabled).], -AC_DEFINE(FORCE_LL,,[Define if you want to use explicit long long declarations for better performance (does not work with all GCC versions on all machines)])) -AC_SUBST(PROFEXES) -AC_SUBST(PROFOBJS) + some processors (default disabled).]), + ,enable_force_ll=no) +test "$enable_force_ll" = "no"|| + AC_DEFINE(FORCE_LL,,[Define if you want to use explicit long long declarations for better performance (does not work with all GCC versions on all machines)]) AC_ARG_ENABLE(gcc-pr15242-workaround, AC_HELP_STRING([--disable-gcc-pr15242-workaround],[Disables @@ -59,10 +64,24 @@ test "$enable_gcc_pr15242_workaround" = AC_DEFINE(GCC_PR15242_WORKAROUND,,[Define if you want to get dynamic code generation on gccs affected by PR15242]) +AC_ARG_ENABLE(force-cdiv, + AC_HELP_STRING([--enable-force-cdiv], + [ Use the native C division - symmetric - instead of + floored division (default disabled).]), + ,enable_force_cdiv=no) +test "$enable_force_cdiv" = "no"|| + AC_DEFINE(FORCE_CDIV,,[Define if you want to use explicit symmetric division for better performance]) + +AC_SUBST(PROFEXES) +AC_SUBST(PROFOBJS) AC_ARG_ENABLE(prof, -[ --enable-prof Build gforth-prof, which outputs frequently occuring - sequences of primitives.], -PROFEXES="gforth-prof\$(EXE)"; PROFOBJS="engine-prof.o main-prof.o profile.o") + AC_HELP_STRING([--enable-prof], + [ Build gforth-prof, which outputs frequently occuring + sequences of primitives.]), + ,enable_prof=no) +if test "$enable_prof" = "no"; then + PROFEXES="gforth-prof\$(EXE)"; PROFOBJS="engine-prof.o main-prof.o profile.o" +fi AC_ARG_WITH(debug, [ --with-debug specifies option -g to compile with debug info @@ -81,6 +100,7 @@ dnl PEEPHOLE="$withval") #variables mentioned in INSTALL AC_ARG_VAR(CC, [The C compiler (must support GNU C 2.x); gcc-2.95 recommended.]) AC_ARG_VAR(FORTHSIZES, [Gforth command line options for the default stack and dictionary sizes (see INSTALL).]) +AC_ARG_VAR(STACK_CACHE_DEFAULT_FAST, [number of registers in the default stack cache state for gforth-fast and gforth-native (default 1).]) AC_ARG_VAR(ac_cv_sizeof_char_p, [sizeof(char *)]) AC_ARG_VAR(ac_cv_sizeof_char, [sizeof(char)]) AC_ARG_VAR(ac_cv_sizeof_short, [sizeof(short)]) @@ -121,7 +141,7 @@ AC_SUBST(CC) AC_SUBST(DEBUGFLAG) AC_MSG_CHECKING(make type) -make_type=`make -v 2>&1|grep 'ake version'|sed 's/ version .*//'` +make_type=`make -v 2>&1|grep 'ake'|sed 's/ake .*/ake/'` GNUMAKE='#' test "$make_type" = "GNU Make" && GNUMAKE='' @@ -240,6 +260,10 @@ case "$host_cpu" in esac AC_SUBST(host) +test x$STACK_CACHE_DEFAULT_FAST = x && STACK_CACHE_DEFAULT_FAST=1 +AC_DEFINE_UNQUOTED(STACK_CACHE_DEFAULT_FAST, $STACK_CACHE_DEFAULT_FAST, + [number of registers in the default stack cache state for gforth-fast and gforth-native]) + if test "${enable_force_ll+set}" = set; then ac_includes_default="$ac_includes_default #include \"arch/generic/128bit.h\"" @@ -296,6 +320,62 @@ esac AC_MSG_RESULT($ac_cv_int_type_cell) AC_DEFINE_UNQUOTED(CELL_TYPE,$ac_cv_int_type_cell,[an integer type that is as long as a pointer]) +AC_MSG_CHECKING([for a C type for wydes]) +ac_cv_wyde_type_cell=none +case 2 in + $ac_cv_sizeof_int) + ac_cv_wyde_type_cell=int + ;; + $ac_cv_sizeof_short) + ac_cv_wyde_type_cell=short + ;; + $ac_cv_sizeof_char) + ac_cv_wyde_type_cell=char + ;; + $ac_cv_sizeof_long) + ac_cv_wyde_type_cell=long + ;; + $ac_cv_sizeof_long_long) + ac_cv_wyde_type_cell="long long" + ;; + $ac_cv_sizeof_intptr_t) + ac_cv_wyde_type_cell="intptr_t" + ;; + $ac_cv_sizeof_int128_t) + ac_cv_wyde_type_cell="int128_t" + ;; +esac +AC_MSG_RESULT($ac_cv_wyde_type_cell) +AC_DEFINE_UNQUOTED(WYDE_TYPE,$ac_cv_wyde_type_cell,[an integer type that is 2 bytes long]) + +AC_MSG_CHECKING([for a C type for tetrabytes]) +ac_cv_tetrabyte_type_cell=none +case 4 in + $ac_cv_sizeof_int) + ac_cv_tetrabyte_type_cell=int + ;; + $ac_cv_sizeof_short) + ac_cv_tetrabyte_type_cell=short + ;; + $ac_cv_sizeof_char) + ac_cv_tetrabyte_type_cell=char + ;; + $ac_cv_sizeof_long) + ac_cv_tetrabyte_type_cell=long + ;; + $ac_cv_sizeof_long_long) + ac_cv_tetrabyte_type_cell="long long" + ;; + $ac_cv_sizeof_intptr_t) + ac_cv_tetrabyte_type_cell="intptr_t" + ;; + $ac_cv_sizeof_int128_t) + ac_cv_tetrabyte_type_cell="int128_t" + ;; +esac +AC_MSG_RESULT($ac_cv_tetrabyte_type_cell) +AC_DEFINE_UNQUOTED(TETRABYTE_TYPE,$ac_cv_tetrabyte_type_cell,[an integer type that is 4 bytes long]) + AC_MSG_CHECKING([for a C type for double-cells]) ac_cv_int_type_double_cell=none case `expr 2 '*' "$ac_cv_sizeof_char_p"` in @@ -489,8 +569,13 @@ else fi #check how to do asm(".skip 16") +echo "CFLAGS=$CFLAGS" +echo "ac_link=$ac_link" AC_MSG_CHECKING([if and how we can waste code space]) if test -z "$skipcode"; then + skipcode=no + CFLAGS_1="$CFLAGS" + CFLAGS="$CFLAGS $ENGINE_FLAGS" for i in ".skip 16" ".block 16" ".org .+16" ".=.+16" ".space 16" do AC_TRY_RUN( @@ -505,7 +590,7 @@ int foo(int x, int y, int z) if (x) { y++; /* workaround for http://gcc.gnu.org/bugzilla/show_bug.cgi?id=12108 */ label1: - asm(".skip 16"); /* or ".space 16" or somesuch */ + asm("$i"); /* or ".space 16" or somesuch */ label2: ; } { @@ -516,6 +601,7 @@ int foo(int x, int y, int z) ,skipcode=$i; break ,,) done + CFLAGS=$CFLAGS_1 fi AC_MSG_RESULT($skipcode) if test "$skipcode" = no @@ -541,16 +627,28 @@ dnl This check is just for making later dnl using sin here is no good idea since it is built-into gcc and typechecked AC_CHECK_LIB(m,asin) AC_CHECK_LIB(dl,dlopen) +dnl check for libffi 2.x +AC_CHECK_LIB(ffi,ffi_call) +if test $ac_cv_lib_ffi_ffi_call = yes +then +LIBFFIFLAG="true" +FFCALLFLAG="false" +OLDCALLFLAG="false" +AC_DEFINE(HAS_LIBFFI,,[define this if you want to use the ffcall interface with libffi 2.0]) +else dnl check for ffcall libraries dnl unfortunately, these four calls are separated out into a library each. AC_CHECK_LIB(avcall,__builtin_avcall) AC_CHECK_LIB(callback,__vacall_r) AC_CHECK_LIB(vacall,vacall) AC_CHECK_LIB(trampoline,alloc_trampoline) +LIBFFIFLAG="false" FFCALLFLAG="false" OLDCALLFLAG="true" test $ac_cv_lib_avcall___builtin_avcall = yes && FFCALLFLAG="true" && OLDCALLFLAG="false" && AC_DEFINE(HAS_FFCALL,,[define this if you want to use the ffcall libraries]) test $ac_cv_lib_avcall___builtin_avcall = no && AC_DEFINE(HAS_OLDCALL,,[define this if you want to use the old call libraries]) +fi +AC_SUBST(LIBFFIFLAG) AC_SUBST(FFCALLFLAG) AC_SUBST(OLDCALLFLAG) if test "$host_os" != "nextstep3"