Merge pull request #4765 from uklotzde/fpclassify

FpClassify: Fix warning for Clang 14
mixxxdj · May 23, 2022 · 56361d7 · 56361d7
2 parents d76f5f4 + 2259c74
commit 56361d7
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/CMakeLists.txt b/CMakeLists.txt
@@ -1875,7 +1875,9 @@ endif()
 # from -ffast-math optimized objects. The MSVC option /fp:fast does not suffer this issue
 add_library(FpClassify STATIC EXCLUDE_FROM_ALL src/util/fpclassify.cpp)
 if(GNU_GCC OR LLVM_CLANG)
-  target_compile_options(FpClassify PRIVATE -fno-fast-math)
+  # The option `-ffp-contract=on` must precede `-fno-fast-math`
+  # to silence a warning on Clang 14
+  target_compile_options(FpClassify PRIVATE -ffp-contract=on -fno-fast-math)
 endif()
 target_link_libraries(mixxx-lib PRIVATE FpClassify)