esp-idf/tools/cmake/toolchain-esp32.cmake

set(CMAKE_SYSTEM_NAME Generic)

set(CMAKE_C_COMPILER xtensa-esp32-elf-gcc)
set(CMAKE_CXX_COMPILER xtensa-esp32-elf-g++)
set(CMAKE_ASM_COMPILER xtensa-esp32-elf-gcc)

list(APPEND compile_options "-mlongcalls" "-Wno-frame-address")
cmake: Use cmake_lint project, tidy up all CMake source files 2018-02-26 23:45:30 -05:00			`set(CMAKE_SYSTEM_NAME Generic)`

			`set(CMAKE_C_COMPILER xtensa-esp32-elf-gcc)`
			`set(CMAKE_CXX_COMPILER xtensa-esp32-elf-g++)`
			`set(CMAKE_ASM_COMPILER xtensa-esp32-elf-gcc)`

Build: CMake compiler flags will be set, regardless of the cache status Defining CMake variables from the command-line or from another CMake project, such as `-DCMAKE_C_FLAGS= -DCMAKE_CXX_FLAGS=`, caused a link failure as ESP CMake was unable to set its proper compilation flags. Additional CMake compiler flags can now be provided by another project. * Closes https://github.com/espressif/esp-idf/issues/7507 2021-09-29 06:46:35 -04:00			`list(APPEND compile_options "-mlongcalls" "-Wno-frame-address")`