| # See root CMakeLists.txt for description and expectations of this macro |
| # |
| # NOTE: Some GNU toolchains break with plain '-Os' or '-Og', but is fixable |
| # with tweaks. So allow user to override, via ifndef, the compile flags that |
| # CONFIG_{NO,DEBUG,SPEED,SIZE}_OPTIMIZATIONS will cause, yet still leaving the |
| # selection logic in kconfig. |
| # |
| # These macros leaves it up to the root CMakeLists.txt to choose the CMake |
| # variable names to store the optimization flags in. |
| |
| macro(toolchain_cc_optimize_for_no_optimizations_flag dest_var_name) |
| set_ifndef(${dest_var_name} "-O0") |
| endmacro() |
| |
| macro(toolchain_cc_optimize_for_debug_flag dest_var_name) |
| set_ifndef(${dest_var_name} "-Og") |
| endmacro() |
| |
| macro(toolchain_cc_optimize_for_speed_flag dest_var_name) |
| set_ifndef(${dest_var_name} "-O2") |
| endmacro() |
| |
| macro(toolchain_cc_optimize_for_size_flag dest_var_name) |
| set_ifndef(${dest_var_name} "-Os") |
| endmacro() |
