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FEX-Emu--FEX/CMakeModules/LinkerGC.cmake
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crueter 872aec20b8 [cmake] more parenthesis cleanups, linker gc module, more same-line stuff
I may have gotten carried away.

- I missed some stuff for end parenthesis because I accidentally
  searched within project files instead of the entire directory (so some
  thunk/test/windows stuff was missed), cleaned those up.
- `INTERFACE`, `PUBLIC`, `PRIVATE`, `RUNTIME`, `LIBRARY` should be on
  the same line as the target name. (I should really invest in making a
  style guide...)
- Some short statements were unnecessarily split across multiple
  lines--cleaned those up
- Made a common `LinkerGC` module that applies gc-sections etc. to a
  target in Release mode
- Usually for functions you want to have something on the first line,
  e.g. `FILES`/`DIRECTORY` for install, or the target/a positional
  argument, etc etc. Not always though, notably for some custom_command
  calls

TODO:
- What's with the `list(APPEND LIBS...)` stuff? It's used really
  inconsistently, sometimes not at all, sometimes it looks like there're
  duplicates? A more thorough cleanup is in order there.

Signed-off-by: crueter <crueter@eden-emu.dev>
2025-12-29 15:44:18 -05:00

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624 B
CMake

# SPDX-License-Identifier: MIT
# This applies some common linker options that reduce code size and linking time in Release mode. Namely:
# --gc-sections: Linktime garbage collection, discards unused sections from the final output
# --strip-all : Similar to running `strip`, discards the symbol table from the final output
# --as-needed : Only includes libraries that are actually needed in the final output.
macro(LinkerGC target)
if (CMAKE_BUILD_TYPE MATCHES "RELEASE")
target_link_options(${target} PRIVATE
"LINKER:--gc-sections"
"LINKER:--strip-all"
"LINKER:--as-needed")
endif()
endmacro()