add top-level cmake files to the repo

1 files changed, 108 insertions, 0 deletions

diff --git a/cmake/GSettings.cmake b/cmake/GSettings.cmake
new file mode 100644
index 0000000..5902baa
--- /dev/null
+++ b/cmake/GSettings.cmake
@@ -0,0 +1,108 @@
+# GSettings.cmake
+# Originally based on CMake macros written for Marlin
+# Updated by Yorba for newer versions of GLib.
+#
+# NOTE: This module does an in-place compilation of GSettings; the
+#       resulting gschemas.compiled file will end up in the same
+#       source folder as the original schema(s).
+
+option(GSETTINGS_COMPILE "Compile GSettings schemas. Can be disabled for packaging reasons." ON)
+option(GSETTINGS_COMPILE_IN_PLACE "Compile GSettings schemas in the build folder. This is used for running an appliction without installing the GSettings systemwide.  The application will need to set GSETTINGS_SCHEMA_DIR" ON)
+
+if (GSETTINGS_COMPILE)
+    message(STATUS "GSettings schemas will be compiled.")
+endif ()
+
+if (GSETTINGS_COMPILE_IN_PLACE)
+    message(STATUS "GSettings schemas will be compiled in-place.")
+endif ()
+
+macro(add_schemas GSETTINGS_TARGET SCHEMA_DIRECTORY)
+    set(PKG_CONFIG_EXECUTABLE pkg-config)
+    
+    # Locate all schema files.
+    file(GLOB all_schema_files
+        "${SCHEMA_DIRECTORY}/*.gschema.xml"
+    )
+    
+    # Find the GLib path for schema installation
+    execute_process(
+        COMMAND
+            ${PKG_CONFIG_EXECUTABLE}
+            glib-2.0
+            --variable prefix
+        OUTPUT_VARIABLE
+            _glib_prefix
+        OUTPUT_STRIP_TRAILING_WHITESPACE
+    )
+    
+    set(GSETTINGS_DIR "${_glib_prefix}/share/glib-2.0/schemas/" CACHE INTERNAL "")
+    
+    # Fetch path for schema compiler from pkg-config
+    execute_process(
+        COMMAND
+            ${PKG_CONFIG_EXECUTABLE}
+            gio-2.0
+            --variable
+            glib_compile_schemas
+        OUTPUT_VARIABLE
+            _glib_compile_schemas
+        OUTPUT_STRIP_TRAILING_WHITESPACE
+    )
+    
+    set(glib_schema_compiler ${_glib_compile_schemas} CACHE INTERNAL "")
+    
+    if (GSETTINGS_COMPILE_IN_PLACE)
+        set(COMPILE_IN_PLACE_DIR ${CMAKE_BINARY_DIR}/gsettings)
+        add_custom_command(
+            TARGET
+                ${GSETTINGS_TARGET}
+            COMMAND 
+                ${CMAKE_COMMAND} -E make_directory "${COMPILE_IN_PLACE_DIR}"
+        )
+        
+        # Copy all schemas to the build folder.
+        foreach(schema_file ${all_schema_files})
+            add_custom_command(
+                TARGET
+                    ${GSETTINGS_TARGET}
+                COMMAND 
+                    ${CMAKE_COMMAND} -E copy "${schema_file}" "${COMPILE_IN_PLACE_DIR}"
+                COMMENT "Copying schema ${schema_file} to ${COMPILE_IN_PLACE_DIR}"
+            )
+        endforeach()
+        
+        # Compile schema in-place.
+        add_custom_command(
+            TARGET 
+                ${GSETTINGS_TARGET}
+            COMMAND
+                ${glib_schema_compiler} ${COMPILE_IN_PLACE_DIR}
+            COMMENT "Compiling schemas in folder: ${COMPILE_IN_PLACE_DIR}"
+        )
+    endif ()
+        
+    # Install and recompile schemas
+    message(STATUS "GSettings schemas will be installed into ${GSETTINGS_DIR}")
+    
+    install(
+        FILES
+            ${all_schema_files}
+        DESTINATION
+            ${GSETTINGS_DIR}
+        OPTIONAL
+    )
+    
+    if (GSETTINGS_COMPILE)
+        install(
+            CODE
+                "message (STATUS \"Compiling GSettings schemas\")"
+        )
+        
+        install(
+            CODE
+                "execute_process (COMMAND ${glib_schema_compiler} ${GSETTINGS_DIR})"
+        )
+    endif ()
+endmacro(add_schemas)
+