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CMakeLists.txt: Disable UPX when position-dependent executables are not supported by the compiler 

Signed-off-by: Username404 <w.iron.zombie@gmail.com>
This commit is contained in:
Username404 2022-08-08 13:15:58 +02:00
parent 3e6b6f9560
commit b8bb1181d1
Signed by: Username404-59
GPG Key ID: 7AB361FBB257A5D1
1 changed files with 10 additions and 5 deletions
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15
CMakeLists.txt
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@ -161,12 +161,17 @@ option(NO_SELF_PACKER "Disables usage of a self-packer")
if (NOT (UPPERCASE_BUILD_TYPE STREQUAL "DEBUG" OR UPPERCASE_BUILD_TYPE STREQUAL "RELWITHDEBINFO" OR NO_SELF_PACKER OR DEFINED EMSCRIPTEN OR MINGW))
include(FindSelfPackers)
if (SELF_PACKER_FOR_EXECUTABLE MATCHES upx) # UPX version d61edc9 or higher is required when using a cross-compiler to target the musl C library
set(SELF_PACKER_FOR_EXECUTABLE_FLAGS ${SELF_PACKER_FOR_EXECUTABLE_FLAGS} --ultra-brute --best)
if (USER_DEFINED_PIE AND CMAKE_POSITION_INDEPENDENT_CODE)
message(NOTICE "-- Could NOT manually enable PIE (UPX is in use)")
if (CMAKE_CXX_LINK_NO_PIE_SUPPORTED)
set(SELF_PACKER_FOR_EXECUTABLE_FLAGS ${SELF_PACKER_FOR_EXECUTABLE_FLAGS} --ultra-brute --best)
if (USER_DEFINED_PIE AND CMAKE_POSITION_INDEPENDENT_CODE)
message(NOTICE "-- Could NOT manually enable PIE (UPX is in use)")
endif()
set(CMAKE_POSITION_INDEPENDENT_CODE FALSE)
set_target_properties(${EXENAME} PROPERTIES POSITION_INDEPENDENT_CODE ${CMAKE_POSITION_INDEPENDENT_CODE})
else()
set(SELF_PACKER_FOR_EXECUTABLE "SELF_PACKER_FOR_EXECUTABLE-NOTFOUND")
message(NOTICE "UPX usage has been disabled because position-dependent executables are unsupported by the current compiler")
endif()
set(CMAKE_POSITION_INDEPENDENT_CODE FALSE)
set_target_properties(${EXENAME} PROPERTIES POSITION_INDEPENDENT_CODE ${CMAKE_POSITION_INDEPENDENT_CODE})
endif()
if (NOT SELF_PACKER_FOR_EXECUTABLE STREQUAL "SELF_PACKER_FOR_EXECUTABLE-NOTFOUND")
add_custom_command(TARGET ${EXENAME} POST_BUILD COMMAND "${SELF_PACKER_FOR_EXECUTABLE}" ${SELF_PACKER_FOR_EXECUTABLE_FLAGS} $<TARGET_FILE:${EXENAME}> VERBATIM)