add directory variables

scripts/ax_init_standard_project.m4

@@ -122,6 +122,16 @@ AC_DEFUN([AX_SUBST], [
 #
 # configures the basic environment
 AC_DEFUN([AX_INIT_STANDARD_PROJECT], [
+  PREFIX=$(test "$prefix" = NONE && prefix=$ac_default_prefix; eval echo "${prefix}")
+  AX_SUBST(PREFIX)
+  SYSCONFDIR=$(test "$prefix" = NONE && prefix=$ac_default_prefix; eval echo "${sysconfdir}")
+  AX_SUBST(SYSCONFDIR)
+  DATADIR=$(test "$prefix" = NONE && prefix=$ac_default_prefix; eval echo "${datadir}")
+  AX_SUBST(DATADIR)
+  PKGDATADIR=$(test "$prefix" = NONE && prefix=$ac_default_prefix; eval echo "${DATADIR}/${PACKAGE_NAME}")
+  AX_SUBST(PKGDATADIR)
+  LOCALSTATEDIR=$(test "$prefix" = NONE && prefix=$ac_default_prefix; eval echo "${localstatedir}")
+  AX_SUBST(LOCALSTATEDIR)
   AC_MSG_CHECKING([target platfrom])
   UNIX=1
   MINGW=