Allow building Qt5 backend on Haiku

Change-Id: I7e928e9e29076bdfaaeffb83791bdc35f1952055
Reviewed-on: https://gerrit.libreoffice.org/53892Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Thorsten Behrens <Thorsten.Behrens@CIB.de>

Repository.mk

@@ -311,6 +311,12 @@ $(eval $(call gb_Helper_register_executables_for_install,OOO,kde, \
 ))
 endif
 
+ifeq ($(OS),HAIKU)
+$(eval $(call gb_Helper_register_libraries_for_install,OOOLIBS,haiku, \
+    $(if $(ENABLE_QT5),vclplug_qt5) \
+))
+endif
+
 $(eval $(call gb_Helper_register_libraries_for_install,OOOLIBS,math, \
 	sm \
 	smd \

configure.ac

@@ -4626,6 +4626,7 @@ fi
 
 if test "$OS" = "HAIKU"; then
     enable_cairo_canvas=yes
+    test_qt5=yes
 fi
 
 dnl ===================================================================

vcl/Library_vcl.mk

@@ -670,6 +670,12 @@ $(eval $(call gb_Library_add_libs,vcl,\
     -lbe \
 ))
 
+ifeq ($(ENABLE_QT5),TRUE)
+$(eval $(call gb_Library_add_exception_objects,vcl,\
+    vcl/unx/generic/plugadapt/salplug \
+))
+endif
+
 $(eval $(call gb_Library_use_externals,vcl,\
     cairo \
     fontconfig \

vcl/Library_vclplug_qt5.mk

@@ -33,7 +33,7 @@ $(eval $(call gb_Library_add_defs,vclplug_qt5,\
 $(eval $(call gb_Library_use_sdk_api,vclplug_qt5))
 
 $(eval $(call gb_Library_use_libraries,vclplug_qt5,\
-    vclplug_gen \
+    $(if $(USING_X11),vclplug_gen) \
     vcl \
     tl \
     utl \

vcl/Module_vcl.mk

@@ -115,6 +115,15 @@ $(eval $(call gb_Module_add_targets,vcl,\
 ))
 endif
 
+ifeq ($(OS),HAIKU)
+ifneq ($(ENABLE_QT5),)
+$(eval $(call gb_Module_add_targets,vcl,\
+    CustomTarget_qt5_moc \
+    Library_vclplug_qt5 \
+))
+endif
+endif
+
 ifneq ($(ENABLE_FUZZERS),)
 $(eval $(call gb_Module_add_targets,vcl,\
     CustomTarget_nativecore \