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include(CheckCXXCompilerFlag)
macro(check_disablepie_support _outvar _disablepie_linker_flags)
if(NOT ${_outvar})
message(STATUS "Checking for PIE-disabling linker flags")
endif()
# set the flag manually for Darwin
if(CMAKE_SYSTEM_NAME MATCHES "Darwin")
set(disablepie_linker_flags "-Wl,-no_pie")
else()
set(disablepie_linker_flags )
foreach(_disablepie_test_flag "-no-pie")
# Try compiling
unset(${_outvar} CACHE)
check_cxx_compiler_flag(${_disablepie_test_flag} ${_outvar})
if(${_outvar})
list(APPEND disablepie_linker_flags "${_disablepie_test_flag}")
break()
endif()
endforeach()
endif()
if (disablepie_linker_flags)
set(${_disablepie_linker_flags} "${disablepie_linker_flags}"
CACHE STRING "Linker flags required to disable PIE support")
mark_as_advanced(${_disablepie_linker_flags})
message(STATUS "PIE-disabling linker flags: ${${_disablepie_linker_flags}}")
endif()
endmacro(check_disablepie_support)
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