libs(qt6): vendor xerces-c for windows and mac builds

Source of the binaries is https://github.com/FashionFreedom/xerces-c/releases/tag/v3.2.4

.github/workflows/ci.yml

@@ -138,10 +138,6 @@ jobs:
           cache: true
           modules: qt5compat qtmultimedia
 
-      - name: install build dependencies
-        run: |
-          brew install xerces-c
-
       - name: update version
         run: |
           ./scripts/version.sh ${VERSION_NUMBER}

common.pri

@@ -13,8 +13,6 @@ win32{
     QMAKE_INSTALL_PROGRAM = xcopy /y
 
     VCOPY = $$QMAKE_COPY /D
-
-    INSTALL_XERCES += ../../../extern/xerces-c/lib/xerces-c_3_2D.dll
 }
 
 unix{

src/app/seamly2d/seamly2d.pro

@@ -206,13 +206,6 @@ win32 {
         openssl_path += $${PWD}/$$DIR
     }
     copyToDestdir($$openssl_path, $$shell_path($${OUT_PWD}/$$DESTDIR))
-
-    for(DIR, INSTALL_XERCES) {
-        #add these absolute paths to a variable which
-        #ends up as 'mkcommands = path1 path2 path3 ...'
-        openssl_path += $${PWD}/$$DIR
-    }
-    copyToDestdir($$openssl_path, $$shell_path($${OUT_PWD}/$$DESTDIR))
 }
 
 # When the GNU linker sees a library, it discards all symbols that it doesn't need.
@@ -337,9 +330,10 @@ win32:!win32-g++: PRE_TARGETDEPS += $$OUT_PWD/../../libs/vpropertyexplorer/$${DE
 else:unix|win32-g++: PRE_TARGETDEPS += $$OUT_PWD/../../libs/vpropertyexplorer/$${DESTDIR}/libvpropertyexplorer.a
 
 # xerces library
-win32: LIBS += -L$$PWD/../../../extern/xerces-c/lib/ -lxerces-c_3D
-macx: LIBS += -L/usr/local/lib -lxerces-c-3.2
-else:unix|win32-g++: LIBS += -lxerces-c-3.2
+macx: LIBS += -L$${PWD}/../../libs/xerces-c/macx/lib -lxerces-c
+else:unix: LIBS += -lxerces-c
+win32:!win32-g++: LIBS += -L$${PWD}/../../libs/xerces-c/msvc/lib -lxerces-c_3
+win32-g++: LIBS += -L$${PWD}/../../libs/xerces-c/mingw/lib -lxerces-c
 
 macx{
     APPLE_SIGN_IDENTITY_UNQUOTED = $(APPLE_SIGN_IDENTITY)

src/app/seamlyme/seamlyme.pro

@@ -109,13 +109,6 @@ win32 {
         openssl_path += $${PWD}/$$DIR
     }
     copyToDestdir($$openssl_path, $$shell_path($${OUT_PWD}/$$DESTDIR))
-
-    for(DIR, INSTALL_XERCES) {
-        #add these absolute paths to a variable which
-        #ends up as 'mkcommands = path1 path2 path3 ...'
-        xerces_path += $${PWD}/$$DIR
-    }
-    copyToDestdir($$xerces_path, $$shell_path($${OUT_PWD}/$$DESTDIR))
 }
 
 # Compilation will fail without this files after we added them to this section.
@@ -238,9 +231,10 @@ win32:!win32-g++: PRE_TARGETDEPS += $$OUT_PWD/../../libs/vpropertyexplorer/$${DE
 else:unix|win32-g++: PRE_TARGETDEPS += $$OUT_PWD/../../libs/vpropertyexplorer/$${DESTDIR}/libvpropertyexplorer.a
 
 # xerces library
-win32: LIBS += -L$$PWD/../../../extern/xerces-c/lib/ -lxerces-c_3D
-macx: LIBS += -L/usr/local/lib -lxerces-c-3.2
-else:unix|win32-g++: LIBS += -lxerces-c-3.2
+macx: LIBS += -L$${PWD}/../../libs/xerces-c/macx/lib -lxerces-c
+else:unix: LIBS += -lxerces-c
+win32:!win32-g++: LIBS += -L$${PWD}/../../libs/xerces-c/msvc/lib -lxerces-c_3
+win32-g++: LIBS += -L$${PWD}/../../libs/xerces-c/mingw/lib -lxerces-c
 
 macx{
     APPLE_SIGN_IDENTITY = $$shell_quote($(APPLE_SIGN_IDENTITY))

src/libs/libs.pri

@@ -34,8 +34,8 @@ INCLUDEPATH += $${PWD}/vpropertyexplorer
 #VTools static library
 INCLUDEPATH += $${PWD}/vtest
 
-#xerces shared library, bundled on windows locally
-win32:INCLUDEPATH += $${PWD}/../../extern/xerces-c/include
+#xerces static library, vendored for msvc, mingw and mac locally
+win32:!win32-g++:INCLUDEPATH += $${PWD}/xerces-c/msvc/include
+win32-g++:INCLUDEPATH += $${PWD}/xerces-c/mingw/include
+macx:INCLUDEPATH += $${PWD}/xerces-c/macx/include
 #xerces headers and library on linux via package manager, no extra include path required
-#xerces headers and library on mac via brew
-macx:INCLUDEPATH += /usr/local/include