cmake: install FindGint.cmake (previously in the fxSDK)

CMakeLists.txt

@@ -123,11 +123,17 @@ endif()
 
 set_target_properties("${NAME}" PROPERTIES OUTPUT_NAME "${NAME}")
 
+# Library file
 install(TARGETS "${NAME}" DESTINATION "${FXSDK_COMPILER_INSTALL}")
+# Linker script
 install(FILES "${CMAKE_CURRENT_SOURCE_DIR}/${LINKER_SCRIPT}"
   DESTINATION "${FXSDK_COMPILER_INSTALL}")
+# Headers
 install(DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}/include"
   DESTINATION "${FXSDK_COMPILER_INSTALL}"
   FILES_MATCHING PATTERN "*.h")
+# Auto-generated config header
 install(FILES "${CMAKE_CURRENT_BINARY_DIR}/include/gint/config.h"
   DESTINATION "${FXSDK_COMPILER_INSTALL}/include/gint")
+# CMake module to find gint
+install(FILES cmake/FindGint.cmake DESTINATION "${FXSDK_CMAKE_MODULE_PATH}")

cmake/FindGint.cmake

@@ -0,0 +1,56 @@
+# Determine platform Code
+if("${FXSDK_PLATFORM_LONG}" STREQUAL fxCG50)
+  set(PC cg)
+  set(INTF_DEFN FXCG50)
+  set(INTF_LINK "-T;fxcg50.ld")
+elseif("${FXSDK_PLATFORM_LONG}" STREQUAL fx9860G)
+  set(PC fx)
+  set(INTF_DEFN FX9860G)
+  set(INTF_LINK "-T;fx9860g.ld")
+else()
+  message(FATAL_ERROR "gint: unknown fxSDK platform '${FXSDK_PLATFORM}'")
+endif()
+
+execute_process(
+  COMMAND ${CMAKE_C_COMPILER} -print-file-name=libgint-${PC}.a
+  OUTPUT_VARIABLE GINT_PATH
+  OUTPUT_STRIP_TRAILING_WHITESPACE
+)
+execute_process(
+  COMMAND ${CMAKE_C_COMPILER} -print-file-name=include/gint/config.h
+  OUTPUT_VARIABLE GINT_CONFIG_PATH
+  OUTPUT_STRIP_TRAILING_WHITESPACE
+)
+
+if("${GINT_PATH}" STREQUAL "libgint-${PC}.a")
+  unset(PATH_TO_LIBGINT)
+else()
+  set(PATH_TO_LIBGINT TRUE)
+  if(GINT_CONFIG_PATH)
+    execute_process(
+      COMMAND sed -E "s/#define.*GINT_VERSION\\s+\"(\\S+)\"$/\\1/p; d" ${GINT_CONFIG_PATH}
+      OUTPUT_VARIABLE GINT_VERSION
+      OUTPUT_STRIP_TRAILING_WHITESPACE
+    )
+  endif()
+endif()
+
+include(FindPackageHandleStandardArgs)
+find_package_handle_standard_args(Gint
+  REQUIRED_VARS PATH_TO_LIBGINT
+  VERSION_VAR GINT_VERSION
+)
+
+if(Gint_FOUND)
+  if(NOT TARGET Gint::Gint)
+    add_library(Gint::Gint UNKNOWN IMPORTED)
+  endif()
+  # No include directory or library path to specify, GCC handles that
+  set_target_properties(Gint::Gint PROPERTIES
+    IMPORTED_LOCATION "${GINT_PATH}"
+    INTERFACE_COMPILE_OPTIONS -fstrict-volatile-bitfields
+    INTERFACE_COMPILE_DEFINITIONS "${INTF_DEFN}"
+    INTERFACE_LINK_LIBRARIES -lgcc
+    INTERFACE_LINK_OPTIONS "${INTF_LINK}"
+  )
+endif()