Move library includes to main CMake file

Placing them behind the SYSTEM directive tells CMake to tell
the compiler they are system libraries, so it shouldn't show
warnings created from them.

3d-viewer/CMakeLists.txt

@@ -13,8 +13,6 @@ include_directories(
     3d_viewer
     ${CMAKE_SOURCE_DIR}
     ${CMAKE_SOURCE_DIR}/include/gal/opengl
-    ${GLEW_INCLUDE_DIR}
-    ${GLM_INCLUDE_DIR}
     ${INC_AFTER}
     )
 
@@ -108,7 +106,7 @@ add_dependencies( 3d-viewer pcbcommon )
 target_link_libraries( 3d-viewer
                        gal
                        kimath
-                       ${Boost_}
+                       ${Boost_LIBRARIES}
                        ${wxWidgets_LIBRARIES}
                        ${OPENGL_LIBRARIES}
                        kicad_3dsg )

CMakeLists.txt

@@ -642,6 +642,7 @@ find_package( OpenGL REQUIRED )
 if( NOT GLEW_FOUND )
     find_package( GLEW REQUIRED )
     check_find_package_result( GLEW_FOUND "GLEW" )
+    include_directories( SYSTEM ${GLEW_INCLUDE_DIR} )
 endif()
 
 #
@@ -649,21 +650,27 @@ endif()
 #
 find_package( GLM 0.9.5.1 REQUIRED )
 add_definitions( -DGLM_FORCE_CTOR_INIT )
+include_directories( SYSTEM ${GLM_INCLUDE_DIR} )
 
 #
 # Find CURL library, required
 #
 find_package( CURL REQUIRED )
+include_directories( SYSTEM ${CURL_INCLUDE_DIRS} )
 
 #
 # Find Cairo library, required
 #
 find_package( Cairo 1.12 REQUIRED )
+include_directories( SYSTEM ${CAIRO_INCLUDE_DIR} )
+
 find_package( Pixman 0.30 REQUIRED )
+include_directories( SYSTEM ${PIXMAN_INCLUDE_DIR} )
 
 #
 # Find Boost headers, required.
 find_package( Boost 1.59.0 REQUIRED )
+include_directories( SYSTEM ${Boost_INCLUDE_DIR} )
 
 # Include MinGW resource compiler.
 include( MinGWResourceCompiler )
@@ -683,6 +690,7 @@ if( KICAD_USE_OCE )
     set( OCC_LIBRARIES TKBinXCAF TKPCAF TKSTEP TKXDESTEP TKIGES TKXDEIGES )
 
     find_package( OCE 0.18 REQUIRED ${OCC_LIBRARIES} )
+    include_directories( SYSTEM ${OCE_INCLUDE_DIRS} )
 
 elseif( KICAD_USE_OCC )
     find_package(OpenCASCADE)
@@ -715,7 +723,6 @@ set( INC_BEFORE
     )
 
 set( INC_AFTER
-    ${Boost_INCLUDE_DIR}
     ${CMAKE_BINARY_DIR}
     )
 

common/CMakeLists.txt

@@ -10,22 +10,15 @@ include_directories(
     ./dialogs
     ./widgets
     ./dialog_about
-    ${CAIRO_INCLUDE_DIR}
-    ${PIXMAN_INCLUDE_DIR}
-    ${GLEW_INCLUDE_DIR}
-    ${GLM_INCLUDE_DIR}
-    ${CURL_INCLUDE_DIRS}
     ${CMAKE_SOURCE_DIR}/3d-viewer
     ${CMAKE_SOURCE_DIR}/pcbnew
     ${INC_AFTER}
-    ${OCE_INCLUDE_DIRS}
-    ${OCC_INCLUDE_DIR}
-    ${OPENSSL_INCLUDE_DIR}
     )
 
 
 if( NOT APPLE )     # windows and linux use openssl under curl
     find_package( OpenSSL REQUIRED )
+    include_directories( SYSTEM ${OPENSSL_INCLUDE_DIR} )
 endif()
 
 set( GAL_SRCS

cvpcb/CMakeLists.txt

@@ -12,7 +12,6 @@ include_directories(
     ${CMAKE_SOURCE_DIR}/pcbnew
     ${CMAKE_SOURCE_DIR}/pcbnew/dialogs
     ${CMAKE_SOURCE_DIR}/common
-    ${GLM_INCLUDE_DIR}
     ${INC_AFTER}
     )
 

pcbnew/CMakeLists.txt

@@ -44,7 +44,6 @@ include_directories(
     ${CMAKE_SOURCE_DIR}/common/dialogs
     ./exporters
     ${CMAKE_SOURCE_DIR}/utils/idftools
-    ${GLM_INCLUDE_DIR}
     ./specctra_import_export
     ${INC_AFTER}
     )

plugins/3d/oce/CMakeLists.txt

@@ -12,11 +12,6 @@
 # export WXTRACE="PLUGIN_OCE"
 #
 
-include_directories( SYSTEM
-    ${OCE_INCLUDE_DIRS}
-    ${OCC_INCLUDE_DIR}
-)
-
 add_library( s3d_plugin_oce MODULE
         oce.cpp
         loadmodel.cpp

plugins/CMakeLists.txt

@@ -4,7 +4,6 @@ if( COMPILER_SUPPORTS_WSHADOW )
 endif()
 
 include_directories(
-        ${GLM_INCLUDE_DIR}
         ${CMAKE_SOURCE_DIR}/include
         ${CMAKE_SOURCE_DIR}/3d-viewer
 )

qa/qa_utils/CMakeLists.txt

@@ -42,5 +42,4 @@ target_link_libraries( qa_utils
 
 target_include_directories( qa_utils PUBLIC
     include
-    ${Boost_INCLUDE_DIR}
 )

qa/unit_test_utils/CMakeLists.txt

@@ -43,7 +43,6 @@ target_link_libraries( unit_test_utils PUBLIC
 
 target_include_directories( unit_test_utils PUBLIC
     include
-    ${Boost_INCLUDE_DIR}
 )
 
 target_compile_definitions( unit_test_utils PUBLIC