qt5-build.eclass: stop the eclass from being used accidentally

(cherry picked from proj/qt commit 8aae5020b96f9e252e9f3a562c89551493877bba)

diff --git a/eclass/qt5-build.eclass b/eclass/qt5-build.eclass
index dc9e19ac0dc2d5ff674f669641cbba52a9d1b8d9..db08161cc87dba943ca7266bc1667e5cab236a03 100644 (file)
--- a/eclass/qt5-build.eclass
+++ b/eclass/qt5-build.eclass
@@ -12,6 +12,10 @@
 # This eclass contains various functions that are used when building Qt5.
 # Requires EAPI 5 or 6.
 
+if [[ ${CATEGORY} != dev-qt ]]; then
+       die "qt5-build.eclass is only to be used for building Qt 5."
+fi
+
 case ${EAPI} in
        5|6)    : ;;
        *)      die "qt5-build.eclass: unsupported EAPI=${EAPI:-0}" ;;