Don't link gdiplus everywhere anymore

Tested on msys2 which is the only place it would have been buggy
CMake seems to share the gdiplus linkage with the other dependencies automatically now

CMakeLists.txt

@@ -768,11 +768,6 @@ find_package( Fontconfig REQUIRED )
 # Include MinGW resource compiler.
 include( MinGWResourceCompiler )
 
-if( WIN32 )
-    # we need the gdiplus library for cairo printing on windows
-    set( GDI_PLUS_LIBRARIES gdiplus )
-endif()
-
 # Find ngspice library, required for integrated circuit simulator
 if( KICAD_SPICE )
     find_package( ngspice REQUIRED )

common/gal/CMakeLists.txt

@@ -44,6 +44,11 @@ set( GAL_SRCS
 
 add_library( gal STATIC ${GAL_SRCS} )
 
+if( WIN32 )
+    # we need the gdiplus library for cairo printing on windows
+    set( GDI_PLUS_LIBRARIES gdiplus )
+endif()
+
 target_link_libraries( gal
     common          # This is needed until the circular dependency is removed
     kimath

cvpcb/CMakeLists.txt

@@ -76,7 +76,6 @@ target_link_libraries( cvpcb_kiface
     kimath
     ${PCBNEW_IO_LIBRARIES}
     ${wxWidgets_LIBRARIES}
-    ${GDI_PLUS_LIBRARIES}
     )
 
 # Must follow github_plugin

eeschema/CMakeLists.txt

@@ -468,7 +468,6 @@ target_link_libraries( eeschema_kiface
         scripting
         sexpr
         ${wxWidgets_LIBRARIES}
-        ${GDI_PLUS_LIBRARIES}
     )
 
 if( KICAD_SPICE )

gerbview/CMakeLists.txt

@@ -156,7 +156,6 @@ target_link_libraries( gerbview_kiface
     gal
     common
     ${wxWidgets_LIBRARIES}
-    ${GDI_PLUS_LIBRARIES}
     )
 set_source_files_properties( gerbview.cpp PROPERTIES
     # The KIFACE is in gerbview.cpp, export it:

kicad/CMakeLists.txt

@@ -87,7 +87,6 @@ else()
         gal
         common      #repeated due to a circular dependency between gal and common
         ${wxWidgets_LIBRARIES}
-        ${GDI_PLUS_LIBRARIES}
         )
 endif()
 

pagelayout_editor/CMakeLists.txt

@@ -109,7 +109,6 @@ target_link_libraries( pl_editor_kiface
     gal
     common
     ${wxWidgets_LIBRARIES}
-    ${GDI_PLUS_LIBRARIES}
     )
 set_target_properties( pl_editor_kiface PROPERTIES
     OUTPUT_NAME     pl_editor

pcbnew/CMakeLists.txt

@@ -719,7 +719,6 @@ set( PCBNEW_KIFACE_LIBRARIES
     markdown_lib
     ${PCBNEW_IO_LIBRARIES}
     ${wxWidgets_LIBRARIES}
-    ${GDI_PLUS_LIBRARIES}
     ${PYTHON_LIBRARIES}
     ${Boost_LIBRARIES}
     ${PCBNEW_EXTRA_LIBS}    # -lrt must follow Boost

qa/pcbnew_utils/CMakeLists.txt

@@ -74,7 +74,6 @@ target_link_libraries( qa_pcbnew_utils PUBLIC
 #     unit_test_utils
 #     ${PCBNEW_IO_LIBRARIES}
 #     ${wxWidgets_LIBRARIES}
-#     ${GDI_PLUS_LIBRARIES}
 #     ${PYTHON_LIBRARIES}
 #     ${Boost_LIBRARIES}      # must follow GITHUB
 #     ${PCBNEW_EXTRA_LIBS}    # -lrt must follow Boost