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# 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)
set(argstring "")
foreach(arg ${ARGN})
set(argstring "${argstring} ${arg}")
endforeach()
set_property(TARGET ${target} PROPERTY COMPILE_FLAGS "${argstring}")
endfunction()
function(set_target_link_flags target)
set(argstring "")
foreach(arg ${ARGN})
set(argstring "${argstring} ${arg}")
endforeach()
set_property(TARGET ${target} PROPERTY LINK_FLAGS "${argstring}")
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(${var}_PYBOOL False)
endif()
endmacro()
# Appends value to all lists in ARGN, if the condition is true.
macro(append_list_if condition value)
if(${condition})
foreach(list ${ARGN})
list(APPEND ${list} ${value})
endforeach()
endif()
endmacro()
# Appends values to list if it isn't already there
macro(append_list_unique list)
foreach(val ${ARGN})
list(FIND ${list} ${val} idx)
if(idx EQUAL -1)
list(APPEND ${list} ${val})
endif()
endforeach()
endmacro()
# Appends value to all strings in ARGN, if the condition is true.
macro(append_string_if condition value)
if(${condition})
foreach(str ${ARGN})
set(${str} "${${str}} ${value}")
endforeach()
endif()
endmacro()
macro(append_no_rtti_flag list)
append_list_if(COMPILER_RT_HAS_FNO_RTTI_FLAG -fno-rtti ${list})
append_list_if(COMPILER_RT_HAS_GR_FLAG /GR- ${list})
endmacro()
macro(append_have_file_definition filename varname list)
check_include_file("${filename}" "${varname}")
if (NOT ${varname})
set("${varname}" 0)
endif()
list(APPEND ${list} "${varname}=${${varname}}")
endmacro()
macro(list_union output input1 input2)
set(${output})
foreach(it ${${input1}})
list(FIND ${input2} ${it} index)
if( NOT (index EQUAL -1))
list(APPEND ${output} ${it})
endif()
endforeach()
endmacro()
macro(check_list_contains outvar list input)
list(FIND ${list} ${input} idx)
if(idx GREATER -1)
set(${outvar} True)
else()
set(${outvar} False)
endif()
endmacro()
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