diff options
Diffstat (limited to 'cmake/stm32.toolchain.cmake')
| -rw-r--r-- | cmake/stm32.toolchain.cmake | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/cmake/stm32.toolchain.cmake b/cmake/stm32.toolchain.cmake new file mode 100644 index 0000000..b9acf62 --- /dev/null +++ b/cmake/stm32.toolchain.cmake @@ -0,0 +1,47 @@ +include(CMakeForceCompiler) + +set(TRIPLE "arm-none-eabi") + +if (TOOLCHAIN_ROOT) + message("Setting ENV: ${TOOLCHAIN_ROOT}") + set(ENV[_TOOLCHAIN_ROOT} "${TOOLCHAIN_ROOT}") +else () + message("Setting locally ENV: ${TOOLCHAIN_ROOT}") + set(TOOLCHAIN_ROOT "$ENV{_TOOLCHAIN_ROOT}") +endif () + +if (TOOLCHAIN_ROOT STREQUAL "") + set(TOOLCHAIN_ROOT /usr) + message("Using default TOOLCHAIN_ROOT: ${TOOLCHAIN_ROOT}") +else () + message("Using TOOLCHAIN_ROOT: ${TOOLCHAIN_ROOT}") +endif () + +set(CMAKE_SYSTEM_NAME Generic) +set(CMAKE_SYSTEM_PROCESSOR arm) +set(CMAKE_CROSSCOMPILING 1) + +set(TARGET_FLAGS "-mcpu=cortex-m3 -mthumb") +set(BASE_FLAGS "-Wall -g -ffunction-sections -fdata-sections ${TARGET_FLAGS}") + +set(CMAKE_C_FLAGS "${BASE_FLAGS}" CACHE STRING "c flags") # XXX Generate TIME_T dynamically. +set(CMAKE_CXX_FLAGS "${BASE_FLAGS} -fno-exceptions -fno-rtti -felide-constructors -std=gnu++0x" CACHE STRING "c++ flags") + +#set(LINKER_FLAGS "-Os -Wl,--gc-sections ${TARGET_FLAGS} -T${TEENSY_ROOT}/mk20dx256.ld") +#set(LINKER_FLAGS "-Os -Wl,--gc-sections ${TARGET_FLAGS}") +set(LINKER_FLAGS "-O0 -Wl,--gc-sections ${TARGET_FLAGS}") +set(LINKER_FLAGS "-O0 ${TARGET_FLAGS}") +set(LINKER_LIBS "-larm_cortexM4l_math -lm") +#set(CMAKE_SHARED_LINKER_FLAGS "${LINKER_FLAGS}" CACHE STRING "linker flags" FORCE) +#set(CMAKE_MODULE_LINKER_FLAGS "${LINKER_FLAGS}" CACHE STRING "linker flags" FORCE) +set(CMAKE_EXE_LINKER_FLAGS "${LINKER_FLAGS}" CACHE STRING "linker flags" FORCE) + +CMAKE_FORCE_C_COMPILER("${TOOLCHAIN_ROOT}/bin/${TRIPLE}-gcc" GNU) +CMAKE_FORCE_CXX_COMPILER("${TOOLCHAIN_ROOT}/bin/${TRIPLE}-g++" GNU) +# search for programs in the build host directories +SET(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER) +# for libraries and headers in the target directories +SET(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY) +SET(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY) + +# add_definitions(-MMD) |