app-doc/doxygen: fix warning about unused variable if USE=-doc

Closes: https://bugs.gentoo.org/652064
Package-Manager: Portage-2.3.40, Repoman-2.3.9

diff --git a/app-doc/doxygen/doxygen-1.8.14.ebuild b/app-doc/doxygen/doxygen-1.8.14.ebuild
index 502086e771c67215e780c5e9988173aec63cbb88..871e295e9758d1fb3f6cb521ef90d0adb9751d74 100644 (file)
--- a/app-doc/doxygen/doxygen-1.8.14.ebuild
+++ b/app-doc/doxygen/doxygen-1.8.14.ebuild
@@ -99,13 +99,15 @@ 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
 }