diff -r 92755f9a4e2a -r f7e9cc3bc2da config/lx_enable_doc.m4
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/config/lx_enable_doc.m4	Tue Jun 14 20:01:41 2005 +0000
@@ -0,0 +1,28 @@
+AC_DEFUN([LX_ENABLE_DOC],
+[
+  AC_ARG_ENABLE([doc],
+AS_HELP_STRING([--enable-doc@<:@=yes|no|full@:>@], [build the documentation (full enables internal documentation too) @<:@default=yes@:>@])
+AS_HELP_STRING([--disable-doc], [do not build the documentation]),
+         [], [enable_doc=yes])
+
+  AC_MSG_CHECKING([whether to build the documention])
+  case "$enable_doc" in
+    yes)
+      DOXYGEN_INTERNAL_DOCS=NO
+      AC_MSG_RESULT([yes])
+      ;;
+    full)
+      DOXYGEN_INTERNAL_DOCS=YES
+      AC_MSG_RESULT([full])
+      ;;
+    no)
+      DOXYGEN_INTERNAL_DOCS=NO
+      AC_MSG_RESULT([no])
+      ;;
+    *)
+      AC_MSG_ERROR([bad value $enable_doc for option --enable-doc])
+      ;;
+  esac
+  AC_SUBST(DOXYGEN_INTERNAL_DOCS)
+  AM_CONDITIONAL([WANT_DOC], [test x"$enable_doc" != x"no"])
+])