tcl.m4

这是leon3处理器的交叉编译链

#------------------------------------------------------------------------
# SC_PATH_TCLCONFIG --
#
#	Locate the tclConfig.sh file and perform a sanity check on
#	the Tcl compile flags
#	Currently a no-op for Windows
#
# Arguments:
#	PATCH_LEVEL	The patch level for Tcl if any.
#
# Results:
#
#	Adds the following arguments to configure:
#		--with-tcl=...
#
#	Sets the following vars:
#		TCL_BIN_DIR	Full path to the tclConfig.sh file
#------------------------------------------------------------------------

AC_DEFUN(SC_PATH_TCLCONFIG, [
    AC_MSG_CHECKING([the location of tclConfig.sh])

    if test -d ../../tcl8.4$1/win;  then
	TCL_BIN_DIR_DEFAULT=../../tcl8.4$1/win
    elif test -d ../../tcl8.4/win;  then
	TCL_BIN_DIR_DEFAULT=../../tcl8.4/win
    else
	TCL_BIN_DIR_DEFAULT=../../tcl/win
    fi
    
    AC_ARG_WITH(tcl, [  --with-tcl=DIR          use Tcl 8.4 binaries from DIR],
	    TCL_BIN_DIR=$withval, TCL_BIN_DIR=`cd $TCL_BIN_DIR_DEFAULT; pwd`)
    if test ! -d $TCL_BIN_DIR; then
	AC_MSG_ERROR(Tcl directory $TCL_BIN_DIR does not exist)
    fi
    if test ! -f $TCL_BIN_DIR/tclConfig.sh; then
	AC_MSG_ERROR(There is no tclConfig.sh in $TCL_BIN_DIR:  perhaps you did not specify the Tcl *build* directory (not the toplevel Tcl directory) or you forgot to configure Tcl?)
    fi
    AC_MSG_RESULT($TCL_BIN_DIR/tclConfig.sh)
])

#------------------------------------------------------------------------
# SC_PATH_TKCONFIG --
#
#	Locate the tkConfig.sh file
#	Currently a no-op for Windows
#
# Arguments:
#	none
#
# Results:
#
#	Adds the following arguments to configure:
#		--with-tk=...
#
#	Sets the following vars:
#		TK_BIN_DIR	Full path to the tkConfig.sh file
#------------------------------------------------------------------------

AC_DEFUN(SC_PATH_TKCONFIG, [
    AC_MSG_CHECKING([the location of tkConfig.sh])

    if test -d ../../tk8.4$1/win;  then
	TK_BIN_DIR_DEFAULT=../../tk8.4$1/win
    elif test -d ../../tk8.4/win;  then
	TK_BIN_DIR_DEFAULT=../../tk8.4/win
    else
	TK_BIN_DIR_DEFAULT=../../tk/win
    fi
    
    AC_ARG_WITH(tk, [  --with-tk=DIR          use Tk 8.4 binaries from DIR],
	    TK_BIN_DIR=$withval, TK_BIN_DIR=`cd $TK_BIN_DIR_DEFAULT; pwd`)
    if test ! -d $TK_BIN_DIR; then
	AC_MSG_ERROR(Tk directory $TK_BIN_DIR does not exist)
    fi
    if test ! -f $TK_BIN_DIR/tkConfig.sh; then
	AC_MSG_ERROR(There is no tkConfig.sh in $TK_BIN_DIR:  perhaps you did not specify the Tk *build* directory (not the toplevel Tk directory) or you forgot to configure Tk?)
    fi

    AC_MSG_RESULT([$TK_BIN_DIR/tkConfig.sh])
])

#------------------------------------------------------------------------
# SC_LOAD_TCLCONFIG --
#
#	Load the tclConfig.sh file
#	Currently a no-op for Windows
#
# Arguments:
#	
#	Requires the following vars to be set:
#		TCL_BIN_DIR
#
# Results:
#
#	Subst the following vars:
#		TCL_BIN_DIR
#		TCL_SRC_DIR
#		TCL_LIB_FILE
#
#------------------------------------------------------------------------

AC_DEFUN(SC_LOAD_TCLCONFIG, [
    AC_MSG_CHECKING([for existence of $TCL_BIN_DIR/tclConfig.sh])

    if test -f "$TCL_BIN_DIR/tclConfig.sh" ; then
        AC_MSG_RESULT([loading])
	. $TCL_BIN_DIR/tclConfig.sh
    else
        AC_MSG_RESULT([file not found])
    fi

    #
    # If the TCL_BIN_DIR is the build directory (not the install directory),
    # then set the common variable name to the value of the build variables.
    # For example, the variable TCL_LIB_SPEC will be set to the value
    # of TCL_BUILD_LIB_SPEC. An extension should make use of TCL_LIB_SPEC
    # instead of TCL_BUILD_LIB_SPEC since it will work with both an
    # installed and uninstalled version of Tcl.
    #

    if test -f $TCL_BIN_DIR/Makefile ; then
        TCL_LIB_SPEC=${TCL_BUILD_LIB_SPEC}
        TCL_STUB_LIB_SPEC=${TCL_BUILD_STUB_LIB_SPEC}
        TCL_STUB_LIB_PATH=${TCL_BUILD_STUB_LIB_PATH}
    fi

    #
    # eval is required to do the TCL_DBGX substitution
    #

    eval "TCL_LIB_FILE=\"${TCL_LIB_FILE}\""
    eval "TCL_LIB_FLAG=\"${TCL_LIB_FLAG}\""
    eval "TCL_LIB_SPEC=\"${TCL_LIB_SPEC}\""

    eval "TCL_STUB_LIB_FILE=\"${TCL_STUB_LIB_FILE}\""
    eval "TCL_STUB_LIB_FLAG=\"${TCL_STUB_LIB_FLAG}\""
    eval "TCL_STUB_LIB_SPEC=\"${TCL_STUB_LIB_SPEC}\""

    AC_SUBST(TCL_VERSION)
    AC_SUBST(TCL_BIN_DIR)
    AC_SUBST(TCL_SRC_DIR)

    AC_SUBST(TCL_LIB_FILE)
    AC_SUBST(TCL_LIB_FLAG)
    AC_SUBST(TCL_LIB_SPEC)

    AC_SUBST(TCL_STUB_LIB_FILE)
    AC_SUBST(TCL_STUB_LIB_FLAG)
    AC_SUBST(TCL_STUB_LIB_SPEC)
])

#------------------------------------------------------------------------
# SC_LOAD_TKCONFIG --
#
#	Load the tkConfig.sh file
#	Currently a no-op for Windows
#
# Arguments:
#	
#	Requires the following vars to be set:
#		TK_BIN_DIR
#
# Results:
#
#	Sets the following vars that should be in tkConfig.sh:
#		TK_BIN_DIR
#------------------------------------------------------------------------

AC_DEFUN(SC_LOAD_TKCONFIG, [
    AC_MSG_CHECKING([for existence of $TK_BIN_DIR/tkConfig.sh])

    if test -f "$TK_BIN_DIR/tkConfig.sh" ; then
        AC_MSG_RESULT([loading])
	. $TK_BIN_DIR/tkConfig.sh
    else
        AC_MSG_RESULT([could not find $TK_BIN_DIR/tkConfig.sh])
    fi


    AC_SUBST(TK_BIN_DIR)
    AC_SUBST(TK_SRC_DIR)
    AC_SUBST(TK_LIB_FILE)
])

#------------------------------------------------------------------------
# SC_ENABLE_SHARED --
#
#	Allows the building of shared libraries
#
# Arguments:
#	none
#	
# Results:
#
#	Adds the following arguments to configure:
#		--enable-shared=yes|no
#
#	Defines the following vars:
#		STATIC_BUILD	Used for building import/export libraries
#				on Windows.
#
#	Sets the following vars:
#		SHARED_BUILD	Value of 1 or 0
#------------------------------------------------------------------------

AC_DEFUN(SC_ENABLE_SHARED, [
    AC_MSG_CHECKING([how to build libraries])
    AC_ARG_ENABLE(shared,
	[  --enable-shared         build and link with shared libraries [--enable-shared]],
    [tcl_ok=$enableval], [tcl_ok=yes])

    if test "${enable_shared+set}" = set; then
	enableval="$enable_shared"
	tcl_ok=$enableval
    else
	tcl_ok=yes
    fi

    if test "$tcl_ok" = "yes" ; then
	AC_MSG_RESULT([shared])
	SHARED_BUILD=1
    else
	AC_MSG_RESULT([static])
	SHARED_BUILD=0
	AC_DEFINE(STATIC_BUILD)
    fi
])

#------------------------------------------------------------------------
# SC_ENABLE_THREADS --
#
#	Specify if thread support should be enabled
#
# Arguments:
#	none
#	
# Results:
#
#	Adds the following arguments to configure:
#		--enable-threads=yes|no
#
#	Defines the following vars:
#		TCL_THREADS
#------------------------------------------------------------------------

AC_DEFUN(SC_ENABLE_THREADS, [
    AC_MSG_CHECKING(for building with threads)
    AC_ARG_ENABLE(threads, [  --enable-threads        build with threads],
	[tcl_ok=$enableval], [tcl_ok=no])

    if test "$tcl_ok" = "yes"; then
	AC_MSG_RESULT(yes)
	TCL_THREADS=1
	AC_DEFINE(TCL_THREADS)
	# USE_THREAD_ALLOC tells us to try the special thread-based
	# allocator that significantly reduces lock contention
	AC_DEFINE(USE_THREAD_ALLOC)
    else
	TCL_THREADS=0
	AC_MSG_RESULT([no (default)])
    fi
    AC_SUBST(TCL_THREADS)
])

#------------------------------------------------------------------------
# SC_ENABLE_SYMBOLS --
#
#	Specify if debugging symbols should be used
#	Memory (TCL_MEM_DEBUG) and compile (TCL_COMPILE_DEBUG) debugging
#	can also be enabled.
#
# Arguments:
#	none
#	
#	Requires the following vars to be set in the Makefile:
#		CFLAGS_DEBUG
#		CFLAGS_OPTIMIZE
#	
# Results:
#
#	Adds the following arguments to configure:
#		--enable-symbols
#
#	Defines the following vars:
#		CFLAGS_DEFAULT	Sets to $(CFLAGS_DEBUG) if true
#				Sets to $(CFLAGS_OPTIMIZE) if false
#		LDFLAGS_DEFAULT	Sets to $(LDFLAGS_DEBUG) if true
#				Sets to $(LDFLAGS_OPTIMIZE) if false
#		DBGX		Debug library extension
#
#------------------------------------------------------------------------

AC_DEFUN(SC_ENABLE_SYMBOLS, [
    AC_MSG_CHECKING([for build with symbols])
    AC_ARG_ENABLE(symbols, [  --enable-symbols        build with debugging symbols [--disable-symbols]],    [tcl_ok=$enableval], [tcl_ok=no])
# FIXME: Currently, LDFLAGS_DEFAULT is not used, it should work like CFLAGS_DEFAULT.
    if test "$tcl_ok" = "no"; then
	CFLAGS_DEFAULT='$(CFLAGS_OPTIMIZE)'
	LDFLAGS_DEFAULT='$(LDFLAGS_OPTIMIZE)'
	DBGX=""
	AC_MSG_RESULT([no])
    else
	CFLAGS_DEFAULT='$(CFLAGS_DEBUG)'
	LDFLAGS_DEFAULT='$(LDFLAGS_DEBUG)'
	DBGX=g
	if test "$tcl_ok" = "yes"; then
	    AC_MSG_RESULT([yes (standard debugging)])
	fi
    fi
    AC_SUBST(CFLAGS_DEFAULT)
    AC_SUBST(LDFLAGS_DEFAULT)

    if test "$tcl_ok" = "mem" -o "$tcl_ok" = "all"; then
	AC_DEFINE(TCL_MEM_DEBUG)
    fi

    if test "$tcl_ok" = "compile" -o "$tcl_ok" = "all"; then
	AC_DEFINE(TCL_COMPILE_DEBUG)
	AC_DEFINE(TCL_COMPILE_STATS)
    fi

    if test "$tcl_ok" != "yes" -a "$tcl_ok" != "no"; then
	if test "$tcl_ok" = "all"; then
	    AC_MSG_RESULT([enabled symbols mem compile debugging])
	else
	    AC_MSG_RESULT([enabled $tcl_ok debugging])
	fi
    fi
])

#--------------------------------------------------------------------
# SC_CONFIG_CFLAGS
#
#	Try to determine the proper flags to pass to the compiler
#	for building shared libraries and other such nonsense.
#
#	NOTE: The backslashes in quotes below are substituted twice
#	due to the fact that they are in a macro and then inlined
#	in the final configure script.
#
# Arguments:
#	none
#
# Results:
#
#	Can the following vars:
#		EXTRA_CFLAGS
#		CFLAGS_DEBUG
#		CFLAGS_OPTIMIZE
#		CFLAGS_WARNING
#		LDFLAGS_DEBUG
#		LDFLAGS_OPTIMIZE
#		LDFLAGS_CONSOLE
#		LDFLAGS_WINDOW
#		CC_OBJNAME
#		CC_EXENAME
#		CYGPATH
#		STLIB_LD
#		SHLIB_LD