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CMake: Use CMAKE_POSITION_INDEPENDENT_CODE
instead of explicit -fpic
This makes CMake pass `-fpie` instead of `-fpic` to the compiler when building the Kernel and userland *executables*. This allows the compiler to make certain optimizations based on the fact that the code will be used in an executable, such as not having to emit `.localalias` symbols. This leads to a 450 KiB decrease in the size of the Kernel binary.
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3 changed files with 3 additions and 3 deletions
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@ -27,6 +27,8 @@ add_link_options(-fstack-protector-strong)
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add_compile_options(-g1)
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set(CMAKE_POSITION_INDEPENDENT_CODE ON)
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if (CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
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add_compile_options(-Wno-maybe-uninitialized)
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add_compile_options(-Wcast-align)
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