xfce4 dev tools的一些说明

AC_DEFUN([XDT_I18N],

[

  dnl Substitute GETTEXT_PACKAGE variable

  GETTEXT_PACKAGE=m4_default([$2], [AC_PACKAGE_TARNAME()])

  AC_DEFINE_UNQUOTED([GETTEXT_PACKAGE], ["$GETTEXT_PACKAGE"], [Name of default gettext domain])

  AC_SUBST([GETTEXT_PACKAGE])



  dnl gettext and stuff

  ALL_LINGUAS="$1"AM_GLIB_GNU_GETTEXT()



  dnl This is required on some Linux systems

  AC_CHECK_FUNC([bind_textdomain_codeset])



  dnl Determine where toinstalllocale files

  AC_MSG_CHECKING([forlocales directory])

  AC_ARG_WITH([locales-dir], 

  [

    AC_HELP_STRING([--with-locales-dir=DIR], [Install locales into DIR])

  ], [localedir=$withval],

  [if test x"$CATOBJEXT" = x".mo"; thenlocaledir=$libdir/localeelselocaledir=$datadir/localefi])

  AC_MSG_RESULT([$localedir])

  AC_SUBST([localedir])



  dnl Determine additional xgettext flags

  AC_MSG_CHECKING([foradditional xgettext flags])if test x"$XGETTEXT_ARGS" = x""; thenXGETTEXT_ARGS="--keyword=Q_ --from-code=UTF-8";elseXGETTEXT_ARGS="$XGETTEXT_ARGS --keyword=Q_ --from-code=UTF-8";fiAC_SUBST([XGETTEXT_ARGS])

  AC_MSG_RESULT([$XGETTEXT_ARGS])

])

  GETTEXT_PACKAGE=m4_default([$2], [AC_PACKAGE_TARNAME()])

  AC_DEFINE_UNQUOTED([GETTEXT_PACKAGE], ["$GETTEXT_PACKAGE"], [Name of default gettext domain])

  AC_SUBST([GETTEXT_PACKAGE])

  ALL_LINGUAS="$1"AM_GLIB_GNU_GETTEXT()

AC_DEFUN([XDT_CHECK_PACKAGE],

[

  XDT_PROG_PKG_CONFIG()



  AC_MSG_CHECKING([for $2 >= $3])if $PKG_CONFIG "--atleast-version=$3" "$2" >/dev/null 2>&1; then$1_VERSION=`$PKG_CONFIG --modversion "$2"`

    AC_MSG_RESULT([$$1_VERSION])



    AC_MSG_CHECKING([$1_CFLAGS])

    $1_CFLAGS=`$PKG_CONFIG --cflags "$2"`

    AC_MSG_RESULT([$$1_CFLAGS])



    AC_MSG_CHECKING([$1_LIBS])

    $1_LIBS=`$PKG_CONFIG --libs "$2"`

    AC_MSG_RESULT([$$1_LIBS])



    $1_REQUIRED_VERSION=$3AC_SUBST([$1_VERSION])

    AC_SUBST([$1_CFLAGS])

    AC_SUBST([$1_LIBS])

    AC_SUBST([$1_REQUIRED_VERSION])



    ifelse([$4], , , [$4])elif $PKG_CONFIG --exists "$2" >/dev/null 2>&1; thenxdt_cv_version=`$PKG_CONFIG --modversion "$2"`

    AC_MSG_RESULT([found, but $xdt_cv_version])



    ifelse([$5], ,

    [echo "*** The required package $2 was found on your system,"
      echo "*** but the installed version ($xdt_cv_version) is too old."
      echo "*** Please upgrade $2 to atleast version $3, or adjust"
      echo "*** the PKG_CONFIG_PATH environment variable if you installed"
      echo "*** the new version of the package in a nonstandard prefix so"
      echo "*** pkg-config is able to find it."exit1], [$5])elseAC_MSG_RESULT([not found])



    ifelse([$5], ,

    [echo "*** The required package $2 was not found on your system."
      echo "*** Please install $2 (atleast version $3) or adjust"
      echo "*** the PKG_CONFIG_PATH environment variable if you"
      echo "*** installed the package in a nonstandard prefix so that"
      echo "*** pkg-config is able to find it."exit1], [$5])fi])