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build: use -O3 optimization for release builds

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Compilers have much more reliable -O3 output these days, so this
workaround is likely not needed.

Closes https://github.com/neovim/neovim/issues/23008.

(cherry picked from commit 1e65ecf8c7)
This commit is contained in:
dundargoc 2023-04-11 20:52:09 +02:00 committed by dundargoc
parent 33bbde1bc6
commit bba1d6dd79
1 changed files with 0 additions and 7 deletions
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7
CMakeLists.txt
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@ -119,14 +119,7 @@ set(NVIM_API_LEVEL 11) # Bump this after any API change.
set(NVIM_API_LEVEL_COMPAT 0) # Adjust this after a _breaking_ API change.
set(NVIM_API_PRERELEASE false)
# Default to -O2 on release builds.
if(CMAKE_C_FLAGS_RELEASE MATCHES "-O3")
message(STATUS "Replacing -O3 in CMAKE_C_FLAGS_RELEASE with -O2")
string(REPLACE "-O3" "-O2" CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE}")
endif()
# Build-type: RelWithDebInfo
# /Og means something different in MSVC
if(CMAKE_C_COMPILER_ID MATCHES "GNU" OR CMAKE_C_COMPILER_ID MATCHES "Clang")
set(CMAKE_C_FLAGS_RELWITHDEBINFO "${CMAKE_C_FLAGS_RELWITHDEBINFO} -Og -g")