@@ -, +, @@ 
 USE="doc".
---
 app-doc/doxygen/doxygen-1.8.14.ebuild | 2 +-
 app-doc/doxygen/doxygen-9999.ebuild   | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)
--- a/app-doc/doxygen/doxygen-1.8.14.ebuild	
+++ a/app-doc/doxygen/doxygen-1.8.14.ebuild	
@@ -99,13 +99,13 @@ src_prepare() {
 
 src_configure() {
 	local mycmakeargs=(
-		-DDOC_INSTALL_DIR="share/doc/${P}"
 		-Duse_libclang=$(usex clang)
 		-Dbuild_doc=$(usex doc)
 		-Dbuild_search=$(usex doxysearch)
 		-Dbuild_wizard=$(usex qt5)
 		-Duse_sqlite3=$(usex sqlite)
 		)
+	use doc && mycmakeargs+=(-DDOC_INSTALL_DIR="share/doc/${P}")
 
 	cmake-utils_src_configure
 }
--- a/app-doc/doxygen/doxygen-9999.ebuild	
+++ a/app-doc/doxygen/doxygen-9999.ebuild	
@@ -97,13 +97,13 @@ src_prepare() {
 
 src_configure() {
 	local mycmakeargs=(
-		-DDOC_INSTALL_DIR="share/doc/${P}"
 		-Duse_libclang=$(usex clang)
 		-Dbuild_doc=$(usex doc)
 		-Dbuild_search=$(usex doxysearch)
 		-Dbuild_wizard=$(usex qt5)
 		-Duse_sqlite3=$(usex sqlite)
 		)
+	use doc && mycmakeargs+=(-DDOC_INSTALL_DIR="share/doc/${P}")
 
 	cmake-utils_src_configure
 }
--