# PIE Support # # Produce a Position-Independent Executable (PIE) instead of a "normal" # fixed-address ELF. # A PIE is an executable whose code sections are compiled and linked so that, # at runtime, they can be loaded at any base address in memory. # # Because it can be loaded at unpredictable addresses, PIE enables full Address # Space Layout Randomization (ASLR) for your main executable-making certain # classes of memory-corruption exploits much harder. .if !defined(_PIE_MK_INCLUDED) _PIE_MK_INCLUDED= yes PIE_Include_MAINTAINER= [email protected] . if !defined(PIE_UNSAFE) . if defined(_INCLUDE_USES_CMAKE_MK) CMAKE_ARGS+= -DCMAKE_POSITION_INDEPENDENT_CODE:BOOL=true . else PIE_CFLAGS?= -fPIE -fPIC CFLAGS+= ${PIE_CFLAGS} CXXFLAGS+= ${PIE_CFLAGS} LDFLAGS+= -pie STATIC_PIE_ARGS+= -static-pie . endif . endif .endif
