diff --git a/repos/libports/lib/mk/qt5_base.mk b/repos/libports/lib/mk/qt5_base.mk
index 55a2e50479..587f8918af 100644
--- a/repos/libports/lib/mk/qt5_base.mk
+++ b/repos/libports/lib/mk/qt5_base.mk
@@ -19,7 +19,7 @@ BUILD_ARTIFACTS = $(notdir $(INSTALL_LIBS)) \
                   qt5_libqjpeg.tar \
                   qt5_libqsqlite.tar
 
-built.tag: qmake_prepared.tag qmake_root/lib/ld.lib.so
+build: qmake_prepared.tag qmake_root/lib/ld.lib.so
 
 	@#
 	@# run qmake
@@ -82,13 +82,8 @@ built.tag: qmake_prepared.tag qmake_root/lib/ld.lib.so
 	$(VERBOSE)tar chf $(PWD)/bin/qt5_libqjpeg.tar   --transform='s/\.stripped//' -C install qt/plugins/imageformats/libqjpeg.lib.so.stripped
 	$(VERBOSE)tar chf $(PWD)/bin/qt5_libqsqlite.tar --transform='s/\.stripped//' -C install qt/plugins/sqldrivers/libqsqlite.lib.so.stripped
 
-	@#
-	@# mark as done
-	@#
-
-	$(VERBOSE)touch $@
-
+.PHONY: build
 
 ifeq ($(called_from_lib_mk),yes)
-all: built.tag
+all: build
 endif
diff --git a/repos/libports/lib/mk/qt5_declarative.mk b/repos/libports/lib/mk/qt5_declarative.mk
index 3873995cd0..d05d19a9d2 100644
--- a/repos/libports/lib/mk/qt5_declarative.mk
+++ b/repos/libports/lib/mk/qt5_declarative.mk
@@ -32,7 +32,7 @@ INSTALL_LIBS = lib/libQt5Qml.lib.so \
 BUILD_ARTIFACTS = $(notdir $(INSTALL_LIBS)) \
                   qt5_declarative_qml.tar
 
-built.tag: qmake_prepared.tag
+build: qmake_prepared.tag
 
 	@#
 	@# run qmake
@@ -80,13 +80,8 @@ built.tag: qmake_prepared.tag
 
 	$(VERBOSE)tar chf $(PWD)/bin/qt5_declarative_qml.tar --exclude='*.lib.so' --transform='s/\.stripped//' -C install qt/qml
 
-	@#
-	@# mark as done
-	@#
-
-	$(VERBOSE)touch $@
-
+.PHONY: build
 
 ifeq ($(called_from_lib_mk),yes)
-all: built.tag
+all: build
 endif
diff --git a/repos/libports/lib/mk/qt5_graphicaleffects.mk b/repos/libports/lib/mk/qt5_graphicaleffects.mk
index a970eb66e6..5bb5db1bb1 100644
--- a/repos/libports/lib/mk/qt5_graphicaleffects.mk
+++ b/repos/libports/lib/mk/qt5_graphicaleffects.mk
@@ -11,7 +11,7 @@ INSTALL_LIBS = qml/QtGraphicalEffects/libqtgraphicaleffectsplugin.lib.so \
 BUILD_ARTIFACTS = $(notdir $(INSTALL_LIBS)) \
                   qt5_graphicaleffects_qml.tar
 
-built.tag: qmake_prepared.tag
+build: qmake_prepared.tag
 
 	@#
 	@# run qmake
@@ -56,13 +56,8 @@ built.tag: qmake_prepared.tag
 
 	$(VERBOSE)tar chf $(PWD)/bin/qt5_graphicaleffects_qml.tar --exclude='*.lib.so' --transform='s/\.stripped//' -C install qt/qml
 
-	@#
-	@# mark as done
-	@#
-
-	$(VERBOSE)touch $@
-
+.PHONY: build
 
 ifeq ($(called_from_lib_mk),yes)
-all: built.tag
+all: build
 endif
diff --git a/repos/libports/lib/mk/qt5_quickcontrols.mk b/repos/libports/lib/mk/qt5_quickcontrols.mk
index 848fa8457d..ffdccb9fe2 100644
--- a/repos/libports/lib/mk/qt5_quickcontrols.mk
+++ b/repos/libports/lib/mk/qt5_quickcontrols.mk
@@ -10,7 +10,7 @@ INSTALL_LIBS = qml/QtQuick/Controls/libqtquickcontrolsplugin.lib.so
 BUILD_ARTIFACTS = $(notdir $(INSTALL_LIBS)) \
                   qt5_quickcontrols_qml.tar
 
-built.tag: qmake_prepared.tag
+build: qmake_prepared.tag
 
 	@#
 	@# run qmake
@@ -55,13 +55,8 @@ built.tag: qmake_prepared.tag
 
 	$(VERBOSE)tar chf $(PWD)/bin/qt5_quickcontrols_qml.tar --exclude='*.lib.so' --transform='s/\.stripped//' -C install qt/qml
 
-	@#
-	@# mark as done
-	@#
-
-	$(VERBOSE)touch $@
-
+.PHONY: build
 
 ifeq ($(called_from_lib_mk),yes)
-all: built.tag
+all: build
 endif
diff --git a/repos/libports/lib/mk/qt5_quickcontrols2.mk b/repos/libports/lib/mk/qt5_quickcontrols2.mk
index d0ce8bd388..5197e9890a 100644
--- a/repos/libports/lib/mk/qt5_quickcontrols2.mk
+++ b/repos/libports/lib/mk/qt5_quickcontrols2.mk
@@ -19,7 +19,7 @@ INSTALL_LIBS = lib/libQt5QuickControls2.lib.so \
 BUILD_ARTIFACTS = $(notdir $(INSTALL_LIBS)) \
                   qt5_quickcontrols2_qml.tar
 
-built.tag: qmake_prepared.tag
+build: qmake_prepared.tag
 
 	@#
 	@# run qmake
@@ -64,13 +64,8 @@ built.tag: qmake_prepared.tag
 
 	$(VERBOSE)tar chf $(PWD)/bin/qt5_quickcontrols2_qml.tar --exclude='*.lib.so' --transform='s/\.stripped//' -C install qt/qml
 
-	@#
-	@# mark as done
-	@#
-
-	$(VERBOSE)touch $@
-
+.PHONY: build
 
 ifeq ($(called_from_lib_mk),yes)
-all: built.tag
+all: build
 endif
diff --git a/repos/libports/lib/mk/qt5_svg.mk b/repos/libports/lib/mk/qt5_svg.mk
index cd5fa3b64e..c4b77f4e8f 100644
--- a/repos/libports/lib/mk/qt5_svg.mk
+++ b/repos/libports/lib/mk/qt5_svg.mk
@@ -10,7 +10,7 @@ INSTALL_LIBS = lib/libQt5Svg.lib.so \
 BUILD_ARTIFACTS = $(notdir $(INSTALL_LIBS)) \
                   qt5_libqsvg.tar
 
-built.tag: qmake_prepared.tag
+build: qmake_prepared.tag
 
 	@#
 	@# run qmake
@@ -55,13 +55,8 @@ built.tag: qmake_prepared.tag
 
 	$(VERBOSE)tar chf $(PWD)/bin/qt5_libqsvg.tar --transform='s/\.stripped//' -C install qt/plugins/imageformats/libqsvg.lib.so.stripped
 
-	@#
-	@# mark as done
-	@#
-
-	$(VERBOSE)touch $@
-
+.PHONY: build
 
 ifeq ($(called_from_lib_mk),yes)
-all: built.tag
+all: build
 endif
diff --git a/repos/libports/lib/mk/qt5_virtualkeyboard.mk b/repos/libports/lib/mk/qt5_virtualkeyboard.mk
index 37335a4459..e4514a8439 100644
--- a/repos/libports/lib/mk/qt5_virtualkeyboard.mk
+++ b/repos/libports/lib/mk/qt5_virtualkeyboard.mk
@@ -16,7 +16,7 @@ BUILD_ARTIFACTS = $(notdir $(INSTALL_LIBS)) \
                   qt5_libqtvirtualkeyboardplugin.tar \
                   qt5_virtualkeyboard_qml.tar
 
-built.tag: qmake_prepared.tag
+build: qmake_prepared.tag
 
 	@#
 	@# run qmake
@@ -62,13 +62,8 @@ built.tag: qmake_prepared.tag
 	$(VERBOSE)tar chf $(PWD)/bin/qt5_libqtvirtualkeyboardplugin.tar --transform='s/\.stripped//' -C install qt/plugins/platforminputcontexts/libqtvirtualkeyboardplugin.lib.so.stripped
 	$(VERBOSE)tar chf $(PWD)/bin/qt5_virtualkeyboard_qml.tar --exclude='*.lib.so' --transform='s/\.stripped//' -C install qt/qml
 
-	@#
-	@# mark as done
-	@#
-
-	$(VERBOSE)touch $@
-
+.PHONY: build
 
 ifeq ($(called_from_lib_mk),yes)
-all: built.tag
+all: build
 endif