Add Windows JACK support (LMMS#5716)

Add Windows JACK support
Also adds JACK as a submodule

.gitmodules

@@ -43,3 +43,6 @@
 [submodule "plugins/sid/resid"]
 	path = plugins/Sid/resid
 	url = https://github.com/simonowen/resid
+[submodule "src/3rdparty/jack2"]
+	path = src/3rdparty/jack2
+	url = https://github.com/jackaudio/jack2

CMakeLists.txt

@@ -18,6 +18,10 @@ IF(COMMAND CMAKE_POLICY)
 	CMAKE_POLICY(SET CMP0057 NEW)
 ENDIF(COMMAND CMAKE_POLICY)
 
+
+# Import of windows.h breaks min()/max()
+ADD_DEFINITIONS(-DNOMINMAX)
+
 INCLUDE(PluginList)
 INCLUDE(CheckSubmodules)
 INCLUDE(AddFileDependencies)
@@ -97,15 +101,13 @@ ENDIF(LMMS_BUILD_APPLE)
 
 IF(LMMS_BUILD_WIN32)
 	SET(WANT_ALSA OFF)
-	SET(WANT_JACK OFF)
 	SET(WANT_PULSEAUDIO OFF)
 	SET(WANT_SNDIO OFF)
 	SET(WANT_SOUNDIO OFF)
 	SET(WANT_WINMM ON)
 	SET(BUNDLE_QT_TRANSLATIONS ON)
 	SET(LMMS_HAVE_WINMM TRUE)
 	SET(STATUS_ALSA "<not supported on this platform>")
-	SET(STATUS_JACK "<not supported on this platform>")
 	SET(STATUS_PULSEAUDIO "<not supported on this platform>")
 	SET(STATUS_SOUNDIO "<disabled in this release>")
 	SET(STATUS_WINMM "OK")
@@ -433,23 +435,26 @@ ENDIF(NOT LMMS_HAVE_ALSA)
 
 # check for JACK
 IF(WANT_JACK)
-	PKG_CHECK_MODULES(JACK jack>=0.77)
-	IF(JACK_FOUND)
-		IF(WANT_WEAKJACK)
-			SET(LMMS_HAVE_WEAKJACK TRUE)
-			SET(WEAKJACK_INCLUDE_DIRS ${CMAKE_SOURCE_DIR}/src/3rdparty/weakjack/weakjack)
-			SET(STATUS_JACK "OK (weak linking enabled)")
-			# use dlsym instead
-			SET(JACK_LIBRARIES ${CMAKE_DL_LIBS})
-		ELSE()
+	IF(WANT_WEAKJACK)
+		SET(LMMS_HAVE_WEAKJACK TRUE)
+		SET(WEAKJACK_INCLUDE_DIRS ${CMAKE_SOURCE_DIR}/src/3rdparty/weakjack/weakjack)
+		SET(JACK_INCLUDE_DIRS ${CMAKE_SOURCE_DIR}/src/3rdparty/jack2/common)
+		SET(STATUS_JACK "OK (weak linking enabled)")
+		# use dlsym instead
+		SET(JACK_LIBRARIES ${CMAKE_DL_LIBS})
+		SET(LMMS_HAVE_JACK TRUE)
+		SET(JACK_FOUND TRUE)
+	ELSE()
+		PKG_CHECK_MODULES(JACK jack>=0.77)
+		IF(JACK_FOUND)
 			SET(STATUS_JACK "OK")
 		ENDIF()
-		SET(LMMS_HAVE_JACK TRUE)
-	ELSE(JACK_FOUND)
+	ENDIF()
+
+	IF(NOT JACK_FOUND)
 		SET(JACK_INCLUDE_DIRS "")
-		SET(STATUS_JACK "not found, please install libjack0.100.0-dev (or similar) "
-			"if you require JACK support")
-	ENDIF(JACK_FOUND)
+		SET(STATUS_JACK "not found")
+	ENDIF()
 ENDIF(WANT_JACK)
 
 # check for FFTW3F-library

plugins/vst_base/VstPlugin.cpp

@@ -46,10 +46,6 @@
 #include <QDomDocument>
 
 #ifdef LMMS_BUILD_WIN32
-#	ifndef NOMINMAX
-#		define NOMINMAX
-#	endif
-
 #	include <windows.h>
 #	include <QLayout>
 #endif

src/core/main.cpp

@@ -40,9 +40,6 @@
 #include <QTextStream>
 
 #ifdef LMMS_BUILD_WIN32
-#ifndef NOMINMAX
-#define NOMINMAX
-#endif
 #include <windows.h>
 #endif