Install CMake files for usage in external plugins

src/libtomahawk/CMakeLists.txt

@@ -470,6 +470,17 @@ INSTALL( TARGETS tomahawklib
     ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}
 )
 
+# Install cmake config
+install( FILES
+            TomahawkConfig.cmake
+            TomahawkUse.cmake
+            ${CMAKE_SOURCE_DIR}/CMakeModules/TomahawkAddPlugin.cmake
+         DESTINATION
+            ${CMAKE_INSTALL_LIBDIR}/cmake/Tomahawk
+)
+
+
+
 # Install header files
 file( GLOB rootHeaders "*.h" )
 file( GLOB accountsHeaders "accounts/*.h" )

src/libtomahawk/TomahawkConfig.cmake

@@ -0,0 +1,13 @@
+
+get_filename_component(Tomahawk_CMAKE_DIR "${CMAKE_CURRENT_LIST_FILE}" PATH)
+set( TOMAHAWK_USE_FILE "${Tomahawk_CMAKE_DIR}/TomahawkUse.cmake")
+set( TOMAHAWK_INCLUDE_DIRS "${Tomahawk_CMAKE_DIR}/../../../include/libtomahawk" )
+
+# this is not how you do it but proper exporting of targets causes weird issues with cross-compiling for me
+#TODO: we can easily write the install dir on configuration of this file
+find_library(TOMAHAWK_LIBRARY "tomahawklib"
+                PATHS
+                    "${Tomahawk_CMAKE_DIR}/../../../lib/"
+                    "${Tomahawk_CMAKE_DIR}/../../../lib64/"
+)
+set( TOMAHAWK_LIBRARIES "${TOMAHAWK_LIBRARY}" )

src/libtomahawk/TomahawkUse.cmake

@@ -0,0 +1,30 @@
+#FIXME: this only handles qt4 and duplicates top level cmakelists: how can we reduce code duplication?
+
+find_package(Qt4 COMPONENTS QtNetwork QtCore QtGui QtSql REQUIRED)
+include( ${QT_USE_FILE} )
+
+set(NEEDED_QT4_COMPONENTS "QtCore" "QtXml" "QtNetwork")
+if(BUILD_GUI)
+    list(APPEND NEEDED_QT4_COMPONENTS "QtGui" "QtWebkit" "QtUiTools" "QtSvg")
+endif()
+
+find_package(Qt4 4.7.0 COMPONENTS ${NEEDED_QT4_COMPONENTS})
+include( ${QT_USE_FILE} )
+
+macro(qt5_use_modules)
+endmacro()
+
+macro(qt_wrap_ui)
+    qt4_wrap_ui(${ARGN})
+endmacro()
+
+macro(qt_add_resources)
+    qt4_add_resources(${ARGN})
+endmacro()
+
+macro(qt_add_translation)
+    qt4_add_translation(${ARGN})
+endmacro()
+
+
+include( "${Tomahawk_CMAKE_DIR}/TomahawkAddPlugin.cmake" )