cmake-utils.eclass: mark some eclass variables as unset by default

diff --git a/eclass/cmake-utils.eclass b/eclass/cmake-utils.eclass
index 148fbc3cff3311b3690f65651f497525c0a1e2cd..58990e624dc047c1cfe16740b0eb17db9882db93 100644 (file)
--- a/eclass/cmake-utils.eclass
+++ b/eclass/cmake-utils.eclass
@@ -44,6 +44,7 @@ _CMAKE_UTILS_ECLASS=1
 : ${CMAKE_BUILD_TYPE:=Gentoo}
 
 # @ECLASS-VARIABLE: CMAKE_IN_SOURCE_BUILD
+# @DEFAULT_UNSET
 # @DESCRIPTION:
 # Set to enable in-source build.
 
@@ -88,12 +89,14 @@ _CMAKE_UTILS_ECLASS=1
 # "no" to disable (default) or anything else to enable.
 
 # @ECLASS-VARIABLE: CMAKE_EXTRA_CACHE_FILE
+# @DEFAULT_UNSET
 # @DESCRIPTION:
 # Specifies an extra cache file to pass to cmake. This is the analog of EXTRA_ECONF
 # for econf and is needed to pass TRY_RUN results when cross-compiling.
 # Should be set by user in a per-package basis in /etc/portage/package.env.
 
 # @ECLASS-VARIABLE: CMAKE_UTILS_QA_SRC_DIR_READONLY
+# @DEFAULT_UNSET
 # @DESCRIPTION:
 # After running cmake-utils_src_prepare, sets ${S} to read-only. This is
 # a user flag and should under _no circumstances_ be set in the ebuild.