Static internal build of qwt (#583)

* static linking of qwt
* suppressed warning in qwt + added reason

slsDetectorGui/CMakeLists.txt

@@ -10,6 +10,7 @@ find_package(Qt5 5.9 COMPONENTS Widgets Core Gui REQUIRED)
 find_package(PNG REQUIRED)
 find_package(ZLIB REQUIRED)
 
+
 set(SOURCES
     slsDetectorPlotting/src/SlsQt1DPlot.cpp
     slsDetectorPlotting/src/SlsQt1DZoomer.cpp
@@ -97,7 +98,6 @@ target_include_directories(slsDetectorGui PUBLIC
 target_link_libraries(slsDetectorGui PUBLIC
     slsProjectOptions 
     slsDetectorStatic
-    ${SLS_INTERNAL_QWT_DIR}/lib/libqwt.so.6.1.5
     PNG::PNG
     ZLIB::ZLIB
     Qt5::Widgets
@@ -107,6 +107,7 @@ target_link_libraries(slsDetectorGui PUBLIC
     
     PRIVATE
     slsProjectWarnings
+    qwt
 )
 
 set_target_properties(slsDetectorGui PROPERTIES

slsDetectorGui/slsDetectorPlotting/src/SlsQt2DPlot.cpp

@@ -5,6 +5,11 @@
 #include "qVersionResolve.h"
 #include "sls/logger.h"
 
+//Suppressing warning until qwt has a fix, avoid
+//patching and should be backwards compatible
+//https://doc.qt.io/qt-5/qflags-obsolete.html
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wdeprecated-declarations"
 #include <qlist.h>
 #include <qtoolbutton.h>
 #include <qwt_color_map.h>
@@ -15,6 +20,7 @@
 #include <qwt_scale_draw.h>
 #include <qwt_scale_engine.h>
 #include <qwt_scale_widget.h>
+#pragma GCC diagnostic pop
 
 #include <cmath>
 #include <iostream>