wip

toolchains/aarch64-openwrt-linux-gnu.toolchain.cmake

@@ -0,0 +1,24 @@
+set(CMAKE_SYSTEM_NAME Linux)
+set(CMAKE_SYSTEM_PROCESSOR aarch64)
+
+if(DEFINED ENV{TOOLCHAIN_ROOT_PATH})
+    file(TO_CMAKE_PATH $ENV{TOOLCHAIN_ROOT_PATH} TOOLCHAIN_ROOT_PATH)
+else()
+    message(FATAL_ERROR "TOOLCHAIN_ROOT_PATH env must be defined")
+endif()
+
+set(TOOLCHAIN_ROOT_PATH ${TOOLCHAIN_ROOT_PATH} CACHE STRING "root path to toolchain")
+
+set(CMAKE_C_COMPILER "${TOOLCHAIN_ROOT_PATH}/bin/aarch64-openwrt-linux-gnu-gcc")
+set(CMAKE_CXX_COMPILER "${TOOLCHAIN_ROOT_PATH}/bin/aarch64-openwrt-linux-gnu-g++")
+
+set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
+set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
+set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)
+
+set(CMAKE_C_FLAGS "-march=armv8-a")
+set(CMAKE_CXX_FLAGS "-march=armv8-a")
+
+# cache flags
+set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS}" CACHE STRING "c flags")
+set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}" CACHE STRING "c++ flags")