65 lines
2.0 KiB
CMake

include(CMakePrintHelpers)
# ----------------------------------------------------------------------------
# Common
# ----------------------------------------------------------------------------
set(CMAKE_SYSTEM_NAME Generic)
set_property(GLOBAL PROPERTY TARGET_SUPPORTS_SHARED_LIBS FALSE)
# Look for includes and libraries only in the target system prefix.
set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)
set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
set(CMAKE_FIND_ROOT_PATH_MODE_PACKAGE ONLY)
set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
# pass TOOLCHAIN_CPU to
set(CMAKE_TRY_COMPILE_PLATFORM_VARIABLES CMAKE_SYSTEM_PROCESSOR)
include(${CMAKE_CURRENT_LIST_DIR}/../cpu/${CMAKE_SYSTEM_PROCESSOR}.cmake)
# ----------------------------------------------------------------------------
# Compile flags
# ----------------------------------------------------------------------------
if (TOOLCHAIN STREQUAL "gcc")
list(APPEND TOOLCHAIN_COMMON_FLAGS
-fdata-sections
-ffunction-sections
-fsingle-precision-constant
-fno-strict-aliasing
)
list(APPEND TOOLCHAIN_EXE_LINKER_FLAGS
-Wl,--print-memory-usage
-Wl,--gc-sections
-Wl,--cref
)
elseif (TOOLCHAIN STREQUAL "iar")
#list(APPEND TOOLCHAIN_COMMON_FLAGS)
list(APPEND TOOLCHAIN_EXE_LINKER_FLAGS
--diag_suppress=Li065
)
elseif (TOOLCHAIN STREQUAL "clang")
list(APPEND TOOLCHAIN_COMMON_FLAGS
-fdata-sections
-ffunction-sections
-fno-strict-aliasing
)
list(APPEND TOOLCHAIN_EXE_LINKER_FLAGS
-Wl,--print-memory-usage
-Wl,--gc-sections
-Wl,--cref
)
endif ()
# join the toolchain flags into a single string
list(JOIN TOOLCHAIN_COMMON_FLAGS " " TOOLCHAIN_COMMON_FLAGS)
foreach (LANG IN ITEMS C CXX ASM)
set(CMAKE_${LANG}_FLAGS_INIT ${TOOLCHAIN_COMMON_FLAGS})
# optimization flags for LOG, LOGGER ?
#set(CMAKE_${LANG}_FLAGS_RELEASE_INIT "-Os")
#set(CMAKE_${LANG}_FLAGS_DEBUG_INIT "-O0")
endforeach ()
# Linker
list(JOIN TOOLCHAIN_EXE_LINKER_FLAGS " " CMAKE_EXE_LINKER_FLAGS_INIT)