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# FindFlatC
# --------
# Find the FlatBuffers schema compiler
#
# This will define the following variables:
#
# FLATBUFFERS_FLATC_EXECUTABLE_FOUND - system has FlatBuffers compiler
# FLATBUFFERS_FLATC_EXECUTABLE - the flatc compiler executable
# FLATBUFFERS_FLATC_VERSION - the flatc compiler version
#
# and the following imported targets:
#
# flatbuffers::flatc - The FlatC compiler
if(NOT TARGET flatbuffers::flatc)
include(cmake/scripts/common/ModuleHelpers.cmake)
# Check for existing FLATC.
find_program(FLATBUFFERS_FLATC_EXECUTABLE NAMES flatc
HINTS ${NATIVEPREFIX}/bin)
if(FLATBUFFERS_FLATC_EXECUTABLE)
execute_process(COMMAND "${FLATBUFFERS_FLATC_EXECUTABLE}" --version
OUTPUT_VARIABLE FLATBUFFERS_FLATC_VERSION
OUTPUT_STRIP_TRAILING_WHITESPACE)
string(REGEX MATCH "[^\n]* version [^\n]*" FLATBUFFERS_FLATC_VERSION "${FLATBUFFERS_FLATC_VERSION}")
string(REGEX REPLACE ".* version (.*)" "\\1" FLATBUFFERS_FLATC_VERSION "${FLATBUFFERS_FLATC_VERSION}")
endif()
set(MODULE_LC flatbuffers)
# Duplicate URL may exist from FindFlatbuffers.cmake
# unset otherwise it thinks we are providing a local file location and incorrect concatenation happens
unset(FLATBUFFERS_URL)
SETUP_BUILD_VARS()
if(NOT FLATBUFFERS_FLATC_EXECUTABLE OR (ENABLE_INTERNAL_FLATBUFFERS AND NOT "${FLATBUFFERS_FLATC_VERSION}" VERSION_EQUAL "${FLATBUFFERS_VER}"))
# Override build type detection and always build as release
set(FLATBUFFERS_BUILD_TYPE Release)
if(NATIVEPREFIX)
set(INSTALL_DIR "${NATIVEPREFIX}/bin")
set(FLATBUFFERS_INSTALL_PREFIX ${NATIVEPREFIX})
else()
set(INSTALL_DIR "${CMAKE_BINARY_DIR}/${CORE_BUILD_DIR}/bin")
set(FLATBUFFERS_INSTALL_PREFIX ${CMAKE_BINARY_DIR}/${CORE_BUILD_DIR})
endif()
set(CMAKE_ARGS -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)
# Set host build info for buildtool
if(EXISTS "${NATIVEPREFIX}/share/Toolchain-Native.cmake")
set(FLATBUFFERS_TOOLCHAIN_FILE "${NATIVEPREFIX}/share/Toolchain-Native.cmake")
endif()
if(WIN32 OR WINDOWS_STORE)
# Make sure we generate for host arch, not target
set(FLATBUFFERS_GENERATOR_PLATFORM CMAKE_GENERATOR_PLATFORM ${HOSTTOOLSET})
set(WIN_DISABLE_PROJECT_FLAGS 1)
endif()
set(FLATBUFFERS_FLATC_EXECUTABLE ${INSTALL_DIR}/flatc CACHE INTERNAL "FlatBuffer compiler")
set(BUILD_NAME flatc)
set(BUILD_BYPRODUCTS ${FLATBUFFERS_FLATC_EXECUTABLE})
set(FLATBUFFERS_FLATC_VERSION ${FLATBUFFERS_VER})
BUILD_DEP_TARGET()
endif()
include(FindPackageHandleStandardArgs)
find_package_handle_standard_args(FlatC
REQUIRED_VARS FLATBUFFERS_FLATC_EXECUTABLE
VERSION_VAR FLATBUFFERS_FLATC_VERSION)
if(FLATC_FOUND)
add_library(flatbuffers::flatc UNKNOWN IMPORTED)
set_target_properties(flatbuffers::flatc PROPERTIES
FOLDER "External Projects")
if(TARGET flatc)
add_dependencies(flatbuffers::flatc flatc)
endif()
else()
if(FLATC_FIND_REQUIRED)
message(FATAL_ERROR "Flatc compiler not found.")
endif()
endif()
mark_as_advanced(FLATBUFFERS_FLATC_EXECUTABLE)
endif()
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