| # Because compiler-rt spends a lot of time setting up custom compile flags, |
| # define a handy helper function for it. The compile flags setting in CMake |
| # has serious issues that make its syntax challenging at best. |
| function(set_target_compile_flags target) |
| foreach(arg ${ARGN}) |
| set(argstring "${argstring} ${arg}") |
| endforeach() |
| set_property(TARGET ${target} PROPERTY COMPILE_FLAGS "${argstring}") |
| endfunction() |
| |
| function(set_target_link_flags target) |
| foreach(arg ${ARGN}) |
| set(argstring "${argstring} ${arg}") |
| endforeach() |
| set_property(TARGET ${target} PROPERTY LINK_FLAGS "${argstring}") |
| endfunction() |
| |
| # Check if a given flag is present in a space-separated flag_string. |
| # Store the result in out_var. |
| function(find_flag_in_string flag_string flag out_var) |
| string(REPLACE " " ";" flag_list "${flag_string}") |
| list(FIND flag_list ${flag} flag_pos) |
| if(NOT flag_pos EQUAL -1) |
| set(${out_var} TRUE PARENT_SCOPE) |
| else() |
| set(${out_var} FALSE PARENT_SCOPE) |
| endif() |
| endfunction() |
| |
| # Set the variable var_PYBOOL to True if var holds a true-ish string, |
| # otherwise set it to False. |
| macro(pythonize_bool var) |
| if (${var}) |
| set(${var}_PYBOOL True) |
| else() |
| set(${var}_PYBOOL False) |
| endif() |
| endmacro() |
| |
| # Appends value to all lists in ARGN, if the condition is true. |
| macro(append_if condition value) |
| if(${condition}) |
| foreach(list ${ARGN}) |
| list(APPEND ${list} ${value}) |
| endforeach() |
| endif() |
| endmacro() |
| |
| # Appends value to all strings in ARGN, if the condition is true. |
| macro(append_string_if condition value) |
| if(${condition}) |
| foreach(str ${ARGN}) |
| set(${str} "${${str}} ${value}") |
| endforeach() |
| endif() |
| endmacro() |
| |
| macro(append_no_rtti_flag list) |
| append_if(COMPILER_RT_HAS_FNO_RTTI_FLAG -fno-rtti ${list}) |
| append_if(COMPILER_RT_HAS_GR_FLAG /GR- ${list}) |
| endmacro() |