acinclude.m4

来自「基于4个mips核的noc设计」· M4 代码 · 共 1,996 行 · 第 1/5 页

    ENDIAN="CYG_LSBFIRST";
else
    ENDIAN="CYG_MSBFIRST";
fi
AC_MSG_RESULT(${ac_cv_c_little_endian})
AC_SUBST(ENDIAN)
])

dnl ====================================================================
dnl Look for the path to libgcc, so we can use it to directly link
dnl in libgcc.a with LD.
AC_DEFUN(CYG_AC_PATH_LIBGCC,
[AC_MSG_CHECKING([Looking for the path to libgcc.a])
AC_LANG_SAVE
AC_LANG_C

dnl Get Gcc's full path to libgcc.a
libgccpath=`${CC} --print-libgcc`

dnl If we don't have a path with libgcc.a on the end, this isn't G++.
if test `echo $libgccpath | sed -e 's:/.*/::'` = libgcc.a ; then
   ac_cv_prog_gcc=yes
else
   ac_cv_prog_gcc=no
fi

dnl 
if test x"${ac_cv_prog_gcc}" = xyes ; then
   gccpath=`echo $libgccpath | sed -e 's:/libgcc.a::'`
   LIBGCC="-L${gccpath}"
   AC_MSG_RESULT(${gccpath})
else
   LIBGCC=""
   AC_MSG_ERROR(Not using gcc)
fi

AC_LANG_RESTORE
AC_SUBST(LIBGCC)
])

dnl ====================================================================
dnl Ok, lets find the tcl source trees so we can use the headers
dnl Warning: transition of version 9 to 10 will break this algorithm
dnl because 10 sorts before 9. We also look for just tcl. We have to
dnl be careful that we don't match stuff like tclX by accident.
dnl the alternative search directory is involked by --with-tclinclude
AC_DEFUN(CYG_AC_PATH_TCL, [
    CYG_AC_PATH_TCLH
    CYG_AC_PATH_TCLCONFIG
    CYG_AC_LOAD_TCLCONFIG
])
AC_DEFUN(CYG_AC_PATH_TCLH, [
dirlist=".. ../../ ../../../ ../../../../ ../../../../../ ../../../../../../ ../../../../../../.. ../../../../../../../.. ../../../../../../../../.. ../../../../../../../../../.."
no_tcl=true
AC_MSG_CHECKING(for Tcl headers in the source tree)
AC_ARG_WITH(tclinclude, [  --with-tclinclude       directory where tcl headers are], with_tclinclude=${withval})
AC_CACHE_VAL(ac_cv_c_tclh,[
dnl first check to see if --with-tclinclude was specified
if test x"${with_tclinclude}" != x ; then
  if test -f ${with_tclinclude}/tcl.h ; then
    ac_cv_c_tclh=`(cd ${with_tclinclude}; pwd)`
  elif test -f ${with_tclinclude}/generic/tcl.h ; then
    ac_cv_c_tclh=`(cd ${with_tclinclude}/generic; pwd)`
  else
    AC_MSG_ERROR([${with_tclinclude} directory doesn't contain headers])
  fi
fi

dnl next check if it came with Tcl configuration file
if test x"${ac_cv_c_tclconfig}" != x ; then
  for i in $dirlist; do
    if test -f $ac_cv_c_tclconfig/$i/generic/tcl.h ; then
      ac_cv_c_tclh=`(cd $ac_cv_c_tclconfig/$i/generic; pwd)`
      break
    fi
  done
fi

dnl next check in private source directory
dnl since ls returns lowest version numbers first, reverse its output
if test x"${ac_cv_c_tclh}" = x ; then
    dnl find the top level Tcl source directory
    for i in $dirlist; do
        if test -n "`ls -dr $srcdir/$i/tcl* 2>/dev/null`" ; then
	    tclpath=$srcdir/$i
	    break
	fi
    done

    dnl find the exact Tcl source dir. We do it this way, cause there
    dnl might be multiple version of Tcl, and we want the most recent one.
    for i in `ls -dr $tclpath/tcl* 2>/dev/null ` ; do
        if test -f $i/generic/tcl.h ; then
          ac_cv_c_tclh=`(cd $i/generic; pwd)`
          break
        fi
    done
fi

dnl check if its installed with the compiler
if test x"${ac_cv_c_tclh}" = x ; then
    dnl Get the path to the compiler
    ccpath=`which ${CC}  | sed -e 's:/bin/.*::'`/include
    if test -f $ccpath/tcl.h; then
        ac_cv_c_tclh=$ccpath
    fi
fi

dnl see if one is installed
if test x"${ac_cv_c_tclh}" = x ; then
   AC_MSG_RESULT(none)
   AC_CHECK_HEADER(tcl.h, ac_cv_c_tclh=installed, ac_cv_c_tclh="")
else
   AC_MSG_RESULT(${ac_cv_c_tclh})
fi
])
  TCLHDIR=""
if test x"${ac_cv_c_tclh}" = x ; then
    AC_MSG_ERROR([Can't find any Tcl headers])
fi
if test x"${ac_cv_c_tclh}" != x ; then
    no_tcl=""
    if test x"${ac_cv_c_tclh}" != x"installed" ; then
	if test x"${CC}" = xcl ; then
	    tmp="`cygpath --windows ${ac_cv_c_tclh}`"
	    ac_cv_c_tclh="`echo $tmp | sed -e s#\\\\\\\\#/#g`"
	fi
        AC_MSG_RESULT(${ac_cv_c_tclh})
        TCLHDIR="-I${ac_cv_c_tclh}"
    fi
fi

AC_SUBST(TCLHDIR)
])

dnl ====================================================================
dnl Ok, lets find the tcl configuration
AC_DEFUN(CYG_AC_PATH_TCLCONFIG, [
dirlist=".. ../../ ../../../ ../../../../ ../../../../../ ../../../../../../ ../../../../../../.. ../../../../../../../.. ../../../../../../../../.. ../../../../../../../../../.."
dnl First, look for one uninstalled.  
dnl the alternative search directory is invoked by --with-tclconfig
if test x"${no_tcl}" = x ; then
  dnl we reset no_tcl in case something fails here
    no_tcl=true
    AC_ARG_WITH(tclconfig, [  --with-tclconfig           directory containing tcl configuration (tclConfig.sh)],
         with_tclconfig=${withval})
    AC_MSG_CHECKING([for Tcl configuration script])
    AC_CACHE_VAL(ac_cv_c_tclconfig,[

    dnl First check to see if --with-tclconfig was specified.
    if test x"${with_tclconfig}" != x ; then
        if test -f "${with_tclconfig}/tclConfig.sh" ; then
            ac_cv_c_tclconfig=`(cd ${with_tclconfig}; pwd)`
        else
            AC_MSG_ERROR([${with_tclconfig} directory doesn't contain tclConfig.sh])
        fi
    fi

    dnl next check if it came with Tcl configuration file in the source tree
    if test x"${ac_cv_c_tclconfig}" = x ; then
        for i in $dirlist; do
            if test -f $srcdir/$i/unix/tclConfig.sh ; then
                ac_cv_c_tclconfig=`(cd $srcdir/$i/unix; pwd)`
	        break
            fi
        done
    fi
    dnl check in a few other locations
    if test x"${ac_cv_c_tclconfig}" = x ; then
        dnl find the top level Tcl source directory
        for i in $dirlist; do
            if test -n "`ls -dr $i/tcl* 2>/dev/null`" ; then
	        tclconfpath=$i
	        break
	    fi
        done

        dnl find the exact Tcl dir. We do it this way, cause there
        dnl might be multiple version of Tcl, and we want the most recent one.
        for i in `ls -dr $tclconfpath/tcl* 2>/dev/null ` ; do
            if test -f $i/unix/tclConfig.sh ; then
                ac_cv_c_tclconfig=`(cd $i/unix; pwd)`
                break
            fi
        done
    fi

    dnl Check to see if it's installed. We have to look in the $CC path
    dnl to find it, cause our $prefix may not match the compilers.
    if test x"${ac_cv_c_tclconfig}" = x ; then
        dnl Get the path to the compiler
	ccpath=`which ${CC}  | sed -e 's:/bin/.*::'`/lib
        if test -f $ccpath/tclConfig.sh; then
	    ac_cv_c_tclconfig=$ccpath
        fi
    fi
    ])	dnl end of cache_val

    if test x"${ac_cv_c_tclconfig}" = x ; then
        TCLCONFIG=""
        AC_MSG_WARN(Can't find Tcl configuration definitions)
    else
        no_tcl=""
        TCLCONFIG=${ac_cv_c_tclconfig}/tclConfig.sh
        AC_MSG_RESULT(${TCLCONFIG})
     fi
fi
AC_SUBST(TCLCONFIG)
])

dnl Defined as a separate macro so we don't have to cache the values
dnl from PATH_TCLCONFIG (because this can also be cached).
AC_DEFUN(CYG_AC_LOAD_TCLCONFIG, [
    . $TCLCONFIG

dnl AC_SUBST(TCL_VERSION)
dnl AC_SUBST(TCL_MAJOR_VERSION)
dnl AC_SUBST(TCL_MINOR_VERSION)
dnl AC_SUBST(TCL_CC)
    AC_SUBST(TCL_DEFS)

dnl not used, don't export to save symbols
    AC_SUBST(TCL_LIB_FILE)
    AC_SUBST(TCL_LIB_FULL_PATH)
    AC_SUBST(TCL_LIBS)
dnl not used, don't export to save symbols
dnl    AC_SUBST(TCL_PREFIX)

    AC_SUBST(TCL_CFLAGS)

dnl not used, don't export to save symbols
dnl    AC_SUBST(TCL_EXEC_PREFIX)

    AC_SUBST(TCL_SHLIB_CFLAGS)
    AC_SUBST(TCL_SHLIB_LD)
dnl don't export, not used outside of configure
dnl AC_SUBST(TCL_SHLIB_LD_LIBS)
dnl AC_SUBST(TCL_SHLIB_SUFFIX)
dnl not used, don't export to save symbols
dnl AC_SUBST(TCL_DL_LIBS)
    AC_SUBST(TCL_LD_FLAGS)
    AC_SUBST(TCL_LD_SEARCH_FLAGS)
dnl don't export, not used outside of configure
dnl AC_SUBST(TCL_COMPAT_OBJS)
    AC_SUBST(TCL_RANLIB)
    AC_SUBST(TCL_BUILD_LIB_SPEC)
    AC_SUBST(TCL_LIB_SPEC)
    AC_SUBST(TCL_BIN_DIR)
dnl AC_SUBST(TCL_LIB_VERSIONS_OK)

dnl not used, don't export to save symbols
dnl    AC_SUBST(TCL_SHARED_LIB_SUFFIX)

dnl not used, don't export to save symbols
dnl    AC_SUBST(TCL_UNSHARED_LIB_SUFFIX)
])

dnl ====================================================================
AC_DEFUN(CYG_AC_PATH_TK, [
    CYG_AC_PATH_TKH
    CYG_AC_PATH_TKCONFIG
    CYG_AC_LOAD_TKCONFIG
])
AC_DEFUN(CYG_AC_PATH_TKH, [
#
# Ok, lets find the tk source trees so we can use the headers
# If the directory (presumably symlink) named "tk" exists, use that one
# in preference to any others.  Same logic is used when choosing library
# and again with Tcl. The search order is the best place to look first, then in
# decreasing significance. The loop breaks if the trigger file is found.
# Note the gross little conversion here of srcdir by cd'ing to the found
# directory. This converts the path from a relative to an absolute, so
# recursive cache variables for the path will work right. We check all
# the possible paths in one loop rather than many seperate loops to speed
# things up.
# the alternative search directory is involked by --with-tkinclude
#
dirlist=".. ../../ ../../../ ../../../../ ../../../../../ ../../../../../../ ../../../../../../.. ../../../../../../../.. ../../../../../../../../.. ../../../../../../../../../.."
no_tk=true
AC_MSG_CHECKING(for Tk headers in the source tree)
AC_ARG_WITH(tkinclude, [  --with-tkinclude       directory where tk headers are], with_tkinclude=${withval})
AC_CACHE_VAL(ac_cv_c_tkh,[
dnl first check to see if --with-tkinclude was specified
if test x"${with_tkinclude}" != x ; then
  if test -f ${with_tkinclude}/tk.h ; then
    ac_cv_c_tkh=`(cd ${with_tkinclude}; pwd)`
  elif test -f ${with_tkinclude}/generic/tk.h ; then
    ac_cv_c_tkh=`(cd ${with_tkinclude}/generic; pwd)`
  else
    AC_MSG_ERROR([${with_tkinclude} directory doesn't contain headers])
  fi
fi

dnl next check if it came with Tk configuration file
if test x"${ac_cv_c_tkconfig}" != x ; then
  for i in $dirlist; do
    if test -f $ac_cv_c_tkconfig/$i/generic/tk.h ; then
      ac_cv_c_tkh=`(cd $ac_cv_c_tkconfig/$i/generic; pwd)`
      break
    fi
  done
fi

dnl next check in private source directory
dnl since ls returns lowest version numbers first, reverse its output
if test x"${ac_cv_c_tkh}" = x ; then
    dnl find the top level Tk source directory
    for i in $dirlist; do
        if test -n "`ls -dr $srcdir/$i/tk* 2>/dev/null`" ; then
	    tkpath=$srcdir/$i
	    break
	fi
    done

    dnl find the exact Tk source dir. We do it this way, cause there
    dnl might be multiple version of Tk, and we want the most recent one.
    for i in `ls -dr $tkpath/tk* 2>/dev/null ` ; do
        if test -f $i/generic/tk.h ; then
          ac_cv_c_tkh=`(cd $i/generic; pwd)`
          break
        fi
    done
fi

dnl see if one is installed
if test x"${ac_cv_c_tkh}" = x ; then
    AC_MSG_RESULT(none)
    dnl Get the path to the compiler. We do it this way instead of using
    dnl AC_CHECK_HEADER, cause this doesn't depend in having X configured.
    ccpath=`which ${CC}  | sed -e 's:/bin/.*::'`/include
    if test -f $ccpath/tk.h; then
	ac_cv_c_tkh=$ccpath
    fi
else
   AC_MSG_RESULT(${ac_cv_c_tkh})
fi
])
  TKHDIR=""
if test x"${ac_cv_c_tkh}" = x ; then
    AC_MSG_ERROR([Can't find any Tk headers])
fi
if test x"${ac_cv_c_tkh}" != x ; then
    no_tk=""
    if test x"${ac_cv_c_tkh}" != x"installed" ; then
	if test x"${CC}" = xcl ; then
	    tmp="`cygpath --windows ${ac_cv_c_tkh}`"
	    ac_cv_c_tkh="`echo $tmp | sed -e s#\\\\\\\\#/#g`"
	fi
        AC_MSG_RESULT([found in ${ac_cv_c_tkh}])
        TKHDIR="-I${ac_cv_c_tkh}"
    fi
fi

AC_SUBST(TKHDIR)
])

AC_DEFUN(CYG_AC_PATH_TKCONFIG, [
dirlist=".. ../../ ../../../ ../../../../ ../../../../../ ../../../../../../ ../../../../../../.. ../../../../../../../.. ../../../../../../../../.. ../../../../../../../../../.."
dnl First, look for one uninstalled.  
dnl the alternative search directory is invoked by --with-tkconfig
if test x"${no_tk}" = x ; then
  dnl we reset no_tk in case something fails here
    no_tk=true
    AC_ARG_WITH(tkconfig, [  --with-tkconfig           directory containing tk configuration (tkConfig.sh)],
         with_tkconfig=${withval})
    AC_MSG_CHECKING([for Tk configuration script])
    AC_CACHE_VAL(ac_cv_c_tkconfig,[

    dnl First check to see if --with-tkconfig was specified.
    if test x"${with_tkconfig}" != x ; then
        if test -f "${with_tkconfig}/tkConfig.sh" ; then
            ac_cv_c_tkconfig=`(cd ${with_tkconfig}; pwd)`
        else
            AC_MSG_ERROR([${with_tkconfig} directory doesn't contain tkConfig.sh])
        fi
    fi

    dnl next check if it came with Tk configuration file in the source tree
    if test x"${ac_cv_c_tkconfig}" = x ; then
        for i in $dirlist; do
            if test -f $srcdir/$i/unix/tkConfig.sh ; then
                ac_cv_c_tkconfig=`(cd $srcdir/$i/unix; pwd)`
	        break
            fi
        done
    fi
    dnl check in a few other locations
    if test x"${ac_cv_c_tkconfig}" = x ; then
        dnl find the top level Tk source directory
        for i in $dirlist; do
            if test -n "`ls -dr $i/tk* 2>/dev/null`" ; then
	        tkconfpath=$i
	        break
	    fi
        done

        dnl find the exact Tk dir. We do it this way, cause there
        dnl might be multiple version of Tk, and we want the most recent one.
        for i in `ls -dr $tkconfpath/tk* 2>/dev/null ` ; do
            if test -f $i/unix/tkConfig.sh ; then