Add native system semaphore and Windows shared memory (#7212)

plugins/VstBase/RemoteVstPlugin/CMakeLists.txt

@@ -22,6 +22,9 @@ FOREACH( OUTPUTCONFIG ${CMAKE_CONFIGURATION_TYPES} )
 	SET("CMAKE_RUNTIME_OUTPUT_DIRECTORY_${OUTPUTCONFIG}" "${CMAKE_RUNTIME_OUTPUT_DIRECTORY}")
 ENDFOREACH()
 
+# Import of windows.h breaks min()/max()
+add_definitions(-DNOMINMAX)
+
 ADD_SUBDIRECTORY("${LMMS_SOURCE_DIR}/src/common" common)
 
 if(NOT IS_WIN)
@@ -64,12 +67,6 @@ if(MSVC)
 )
 endif()
 
-
-if(WIN32)
-	find_package(Qt5Core REQUIRED)
-	target_link_libraries(${EXE_NAME} Qt5::Core)
-endif()
-
 if(IS_MINGW)
 	SET(CMAKE_REQUIRED_FLAGS "-std=c++17")
 
@@ -96,7 +93,9 @@ if(LMMS_BUILD_WIN32)
 		set(NOOP_COMMAND "${CMAKE_COMMAND}" "-E" "echo")
 	endif()
 	if(STRIP)
-		set(STRIP_COMMAND "$<IF:$<TARGET:Debug,RelWithDebInfo>,${NOOP_COMMAND},${STRIP}>")
+		# TODO CMake 3.19: Now that CONFIG generator expressions support testing for
+		# multiple configurations, combine the OR into a single CONFIG expression.
+		set(STRIP_COMMAND "$<IF:$<OR:$<CONFIG:Debug>,$<CONFIG:RelWithDebInfo>>,${NOOP_COMMAND},${STRIP}>")
 	else()
 		set(STRIP_COMMAND "${NOOP_COMMAND}")
 	endif()

plugins/VstBase/RemoteVstPlugin32.cmake

@@ -17,23 +17,6 @@ ENDMACRO()
 IF(LMMS_BUILD_WIN32 AND NOT LMMS_BUILD_WIN64)
 	ADD_SUBDIRECTORY(RemoteVstPlugin)
 ELSEIF(LMMS_BUILD_WIN64 AND MSVC)
-	IF(NOT QT_32_PREFIX)
-		SET(LMMS_MSVC_YEAR_FOR_QT ${LMMS_MSVC_YEAR})
-
-		if(LMMS_MSVC_YEAR_FOR_QT EQUAL 2019 AND Qt5_VERSION VERSION_LESS "5.15")
-			SET(LMMS_MSVC_YEAR_FOR_QT 2017) # Qt only provides binaries for MSVC 2017, but 2019 is binary compatible
-		endif()
-
-		GET_FILENAME_COMPONENT(QT_BIN_DIR ${QT_QMAKE_EXECUTABLE} DIRECTORY)
-		SET(QT_32_PREFIX "${QT_BIN_DIR}/../../msvc${LMMS_MSVC_YEAR_FOR_QT}")
-	ENDIF()
-
-	#TODO: qt5 installed using vcpkg: I don't know how to detect if the user built the x86 version of qt5 from here. At least not cleanly.
-	#So for the moment, we'll allow the built.
-	IF(NOT (IS_DIRECTORY ${QT_32_PREFIX} AND EXISTS ${QT_32_PREFIX}/bin/qmake.exe))
-		MESSAGE(WARNING "No Qt 32 bit installation found at ${QT_32_PREFIX}. If you're using VCPKG you can ignore this message if you've built x86-windows version of qt5")
-	ENDIF()
-
 	ExternalProject_Add(RemoteVstPlugin32
 		"${EXTERNALPROJECT_ARGS}"
 		CMAKE_GENERATOR "${LMMS_MSVC_GENERATOR}"
@@ -42,7 +25,6 @@ ELSEIF(LMMS_BUILD_WIN64 AND MSVC)
 		CMAKE_ARGS
 			"${EXTERNALPROJECT_CMAKE_ARGS}"
 			"-DCMAKE_TOOLCHAIN_FILE=${CMAKE_TOOLCHAIN_FILE}"
-			"-DCMAKE_PREFIX_PATH=${QT_32_PREFIX}"
 	)
 
 	INSTALL_EXTERNAL_PROJECT(RemoteVstPlugin32)