cpp/openttd-patchpack/source Changeset - r24546:bdcda52f2042

Changeset - r24546:bdcda52f2042

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Michael Lutz - 3 years ago 2021-01-02 00:09:11
michi@icosahedron.de

Codechange: [OSX] Prevent the compiler from using SSE4 instructions unless we want to.

This improves compatibility on older systems. We don't need to disable anything
older, as there are no SSE2-only Macs.

1 file changed with 12 insertions and 0 deletions:

cmake/CompileFlags.cmake

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cmake/CompileFlags.cmake

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@@ @@ -127,6 +127,18 @@ macro(compile_flags) @@
                 "$<$<BOOL:${LIFETIME_DSE_FOUND}>:-flifetime-dse=1>"
+            )
         endif()
         if(CMAKE_CXX_COMPILER_ID STREQUAL "AppleClang")
             include(CheckCXXCompilerFlag)
             check_cxx_compiler_flag("-mno-sse4" NO_SSE4_FOUND)
             if(NO_SSE4_FOUND)
                 add_compile_options(
                     # Don't use SSE4 for general sources to increase compatibility.
                     -mno-sse4
+                )
             endif()
         endif()
     elseif(CMAKE_CXX_COMPILER_ID STREQUAL "Intel")
         add_compile_options(
             -Wall

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