--- gforth/configure.in 2003/08/04 20:32:34 1.124 +++ gforth/configure.in 2003/08/25 08:02:58 1.131 @@ -21,12 +21,12 @@ dnl Process this file with autoconf to p dnl We use some automake macros here, dnl but don't use automake for creating Makefile.in -AC_INIT([gforth],[0.6.1],[https://savannah.gnu.org/bugs/?func=addbug&group=gforth]) +AC_INIT([gforth],[0.6.1-20030806],[https://savannah.gnu.org/bugs/?func=addbug&group=gforth]) AC_PREREQ(2.54) #snapshots have numbers major.minor.release-YYYYMMDD #note that lexicographic ordering must be heeded. #I.e., 0.4.1-YYYYMMDD must not exist before 0.4.1! -UPDATED="March 11, 2003" +UPDATED="August 6, 2003" AC_SUBST(UPDATED) AC_CONFIG_HEADERS(engine/config.h) @@ -97,6 +97,16 @@ test "$GCC" = "yes" || AC_MSG_ERROR(Gfor AC_SUBST(CC) AC_SUBST(DEBUGFLAG) +AC_MSG_CHECKING(make type) +make_type=`make -v 2>&1|grep 'ake version'|sed 's/ version .*//'` + +GNUMAKE='#' +test "$make_type" = "GNU Make" && GNUMAKE='' + +AC_MSG_RESULT($make_type) + +AC_SUBST(GNUMAKE) + dnl gcc-3.2 seems to work fine now dnl AC_MSG_CHECKING(gcc version) dnl gcc_version=`$CC -v 2>&1|grep 'gcc version'|sed 's/.*gcc version //'` @@ -126,6 +136,11 @@ case "$host_cpu" in AC_LIBOBJ(../arch/hppa/cache) #LDFLAGS="$LDFLAGS -Xlinker -N" LIBS="$LIBS -L/lib/pa1.1/" + #executing dynamically generated code produced segfaults on + #the only HPPA machine that could waste code space, so + #disable it by default + no_dynamic_default=1 + AC_MSG_WARN(Disabling dynamic native code generation by default (speed penalty factor ~2)) ;; sparc*) machine=sparc @@ -309,10 +324,16 @@ AC_MSG_RESULT($ac_nostrictaliasing) AC_MSG_CHECKING([if $CC understands -fno-crossjumping]) CFLAGS_1="$CFLAGS" CFLAGS="$CFLAGS -fno-crossjumping" -AC_TRY_COMPILE(,,ac_nocrossjump=yes;ENGINE_FLAGS="$ENGINE_FLAGS -fno-crossjumping",ac_nocrossjump=no) +AC_TRY_COMPILE(,,ac_nocrossjumping=yes;ENGINE_FLAGS="$ENGINE_FLAGS -fno-crossjumping",ac_nocrossjumping=no) CFLAGS="$CFLAGS_1" AC_MSG_RESULT($ac_nocrossjumping) +# Try if GCC understands __attribute__((unused)) +AC_MSG_CHECKING([how to suppress 'unused variable' warnings]) +AC_TRY_COMPILE(,[int __attribute__((unused)) foo;], MAYBE_UNUSED='__attribute__((unused))',) +AC_DEFINE_UNQUOTED(MAYBE_UNUSED,$MAYBE_UNUSED,[attribute for possibly unused variables]) +AC_MSG_RESULT($MAYBE_UNUSED) + AC_CHECK_PROG(asm_fs,asm.fs,arch/$machine/asm.fs,,$srcdir/arch/$machine) AC_SUBST(asm_fs) @@ -324,19 +345,25 @@ AC_PATH_PROG(INSTALL_INFO,install-info,[ case "$host_os" in *win32|cygwin) DIRSEP="\\\\" + PATHSEP=";" ;; *darwin*) #Darwin uses some funny preprocessor by default; eliminate it: - AC_MSG_NOTICE([using -traditional-cpp on Darwin]) + AC_MSG_NOTICE([using -no-cpp-precomp on Darwin]) CFLAGS="$CFLAGS -no-cpp-precomp" DIRSEP="/" + PATHSEP=":" ;; *) DIRSEP="/" + PATHSEP=":" ;; esac AC_SUBST(DIRSEP) AC_DEFINE_UNQUOTED(DIRSEP,'$DIRSEP',[a directory separator character]) +AC_SUBST(PATHSEP) +AC_DEFINE_UNQUOTED(PATHSEP,'$PATHSEP',[a path separator character]) + dnl Now a little support for DOS/DJGCC AC_SUBST(GFORTH_EXE) @@ -348,10 +375,6 @@ GFORTHITC_EXE="" AC_SUBST(GFORTHDITC_EXE) GFORTHDITC_EXE="" -PATHSEP=":" -AC_SUBST(PATHSEP) -AC_DEFINE_UNQUOTED(PATHSEP,'$PATHSEP',[a path separator character]) - AC_SUBST(FORTHSIZES) dnl if test "$PEEPHOLE" = "yes" @@ -437,11 +460,12 @@ AC_CHECK_LIB(avcall,__builtin_avcall) AC_CHECK_LIB(callback,__vacall_r) AC_CHECK_LIB(vacall,vacall) AC_CHECK_LIB(trampoline,alloc_trampoline) -if test $ac_cv_lib_avcall___builtin_avcall = yes -then - FFCALLFLAG="true" - AC_SUBST(FFCALLFLAG) -fi +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 $ac_cv_lib_avcall___builtin_avcall = no && AC_DEFINE(HAS_OLDCALL,,[define this if you want to use the old call libraries]) +AC_SUBST(FFCALLFLAG) +AC_SUBST(OLDCALLFLAG) if test "$host_os" != "nextstep3" then AC_FUNC_MEMCMP