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CMake: Use CMAKE_POSITION_INDEPENDENT_CODE instead of explicit -fpic

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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.
This commit is contained in:
Daniel Bertalan 2023-08-27 12:13:47 +02:00
parent 4defa401d3
commit 1f747b9132
3 changed files with 3 additions and 3 deletions
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2
Meta/CMake/serenity_compile_options.cmake
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@ -27,6 +27,8 @@ add_link_options(-fstack-protector-strong)
add_compile_options(-g1)
set(CMAKE_POSITION_INDEPENDENT_CODE ON)
if (CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
add_compile_options(-Wno-maybe-uninitialized)
add_compile_options(-Wcast-align)