1 files changed, 72 insertions, 0 deletions

diff --git a/cmake/modules/FindFlatBuffers.cmake b/cmake/modules/FindFlatBuffers.cmake
new file mode 100644
index 0000000..6f7e6a2
--- /dev/null
+++ b/cmake/modules/FindFlatBuffers.cmake
@@ -0,0 +1,72 @@
+# FindFlatBuffers
+# --------
+# Find the FlatBuffers schema compiler and headers
+#
+# This will define the following variables:
+#
+# FLATBUFFERS_FOUND - system has FlatBuffers compiler and headers
+# FLATBUFFERS_FLATC_EXECUTABLE - the flatc compiler executable
+# FLATBUFFERS_INCLUDE_DIRS - the FlatFuffers include directory
+# FLATBUFFERS_MESSAGES_INCLUDE_DIR - the directory for generated headers
+
+if(ENABLE_INTERNAL_FLATBUFFERS)
+  include(ExternalProject)
+  file(STRINGS ${CMAKE_SOURCE_DIR}/tools/depends/native/flatbuffers-native/Makefile VER REGEX "^[ ]*VERSION[ ]*=.+$")
+  string(REGEX REPLACE "^[ ]*VERSION[ ]*=[ ]*" "" FLATBUFFERS_VER "${VER}")
+
+  # Allow user to override the download URL with a local tarball
+  # Needed for offline build envs
+  if(FLATBUFFERS_URL)
+    get_filename_component(FLATBUFFERS_URL "${FLATBUFFERS_URL}" ABSOLUTE)
+  else()
+    set(FLATBUFFERS_URL http://mirrors.kodi.tv/build-deps/sources/flatbuffers-${FLATBUFFERS_VER}.tar.gz)
+  endif()
+  if(VERBOSE)
+    message(STATUS "FLATBUFFERS_URL: ${FLATBUFFERS_URL}")
+  endif()
+
+  set(FLATBUFFERS_FLATC_EXECUTABLE ${CMAKE_BINARY_DIR}/${CORE_BUILD_DIR}/bin/flatc CACHE INTERNAL "FlatBuffer compiler")
+  set(FLATBUFFERS_INCLUDE_DIR ${CMAKE_BINARY_DIR}/${CORE_BUILD_DIR}/include CACHE INTERNAL "FlatBuffer include dir")
+
+  externalproject_add(flatbuffers
+                      URL ${FLATBUFFERS_URL}
+                      DOWNLOAD_DIR ${CMAKE_BINARY_DIR}/${CORE_BUILD_DIR}/download
+                      PREFIX ${CORE_BUILD_DIR}/flatbuffers
+                      CMAKE_ARGS -DCMAKE_INSTALL_PREFIX=${CMAKE_BINARY_DIR}/${CORE_BUILD_DIR}
+                                 -DCMAKE_BUILD_TYPE=Release
+                                 -DFLATBUFFERS_CODE_COVERAGE=OFF
+                                 -DFLATBUFFERS_BUILD_TESTS=OFF
+                                 -DFLATBUFFERS_INSTALL=ON
+                                 -DFLATBUFFERS_BUILD_FLATLIB=OFF
+                                 -DFLATBUFFERS_BUILD_FLATC=ON
+                                 -DFLATBUFFERS_BUILD_FLATHASH=OFF
+                                 -DFLATBUFFERS_BUILD_GRPCTEST=OFF
+                                 -DFLATBUFFERS_BUILD_SHAREDLIB=OFF
+                                 "${EXTRA_ARGS}"
+                      PATCH_COMMAND patch -p1 < ${CORE_SOURCE_DIR}/tools/depends/native/flatbuffers-native/0001-Fix-compiler-warning.patch
+                      BUILD_BYPRODUCTS ${FLATBUFFERS_FLATC_EXECUTABLE})
+  set_target_properties(flatbuffers PROPERTIES FOLDER "External Projects"
+                                    INTERFACE_INCLUDE_DIRECTORIES ${FLATBUFFERS_INCLUDE_DIR})
+else()
+  find_program(FLATBUFFERS_FLATC_EXECUTABLE NAMES flatc)
+  find_path(FLATBUFFERS_INCLUDE_DIR NAMES flatbuffers/flatbuffers.h)
+endif()
+
+include(FindPackageHandleStandardArgs)
+find_package_handle_standard_args(FlatBuffers
+                                  REQUIRED_VARS FLATBUFFERS_FLATC_EXECUTABLE FLATBUFFERS_INCLUDE_DIR
+                                  VERSION_VAR FLATBUFFERS_VER)
+
+if(FLATBUFFERS_FOUND)
+  set(FLATBUFFERS_MESSAGES_INCLUDE_DIR ${CMAKE_BINARY_DIR}/${CORE_BUILD_DIR}/cores/RetroPlayer/messages CACHE INTERNAL "Generated FlatBuffer headers")
+  set(FLATBUFFERS_INCLUDE_DIRS ${FLATBUFFERS_INCLUDE_DIR} ${FLATBUFFERS_MESSAGES_INCLUDE_DIR})
+
+  if(NOT TARGET flatbuffers)
+    add_library(flatbuffers UNKNOWN IMPORTED)
+    set_target_properties(flatbuffers PROPERTIES
+                               FOLDER "External Projects"
+                               INTERFACE_INCLUDE_DIRECTORIES ${FLATBUFFERS_INCLUDE_DIR})
+  endif()
+endif()
+
+mark_as_advanced(FLATBUFFERS_FLATC_EXECUTABLE FLATBUFFERS_INCLUDE_DIR)