1# Because compiler-rt spends a lot of time setting up custom compile flags,
2# define a handy helper function for it. The compile flags setting in CMake
3# has serious issues that make its syntax challenging at best.
4function(set_target_compile_flags target)
5  foreach(arg ${ARGN})
6    set(argstring "${argstring} ${arg}")
7  endforeach()
8  set_property(TARGET ${target} PROPERTY COMPILE_FLAGS "${argstring}")
9endfunction()
10
11function(set_target_link_flags target)
12  foreach(arg ${ARGN})
13    set(argstring "${argstring} ${arg}")
14  endforeach()
15  set_property(TARGET ${target} PROPERTY LINK_FLAGS "${argstring}")
16endfunction()
17
18# Check if a given flag is present in a space-separated flag_string.
19# Store the result in out_var.
20function(find_flag_in_string flag_string flag out_var)
21  string(REPLACE " " ";" flag_list ${flag_string})
22  list(FIND flag_list ${flag} flag_pos)
23  if(NOT flag_pos EQUAL -1)
24    set(${out_var} TRUE PARENT_SCOPE)
25  else()
26    set(${out_var} FALSE PARENT_SCOPE)
27  endif()
28endfunction()
29
30# Set the variable var_PYBOOL to True if var holds a true-ish string,
31# otherwise set it to False.
32macro(pythonize_bool var)
33  if (${var})
34    set(${var}_PYBOOL True)
35  else()
36    set(${var}_PYBOOL False)
37  endif()
38endmacro()
39
40macro(append_if list condition var)
41  if (${condition})
42    list(APPEND ${list} ${var})
43  endif()
44endmacro()
45
46macro(append_no_rtti_flag list)
47  append_if(${list} COMPILER_RT_HAS_FNO_RTTI_FLAG -fno-rtti)
48  append_if(${list} COMPILER_RT_HAS_GR_FLAG /GR-)
49endmacro()
50