[cmake] can't use -ffinite-math-only with libav

3 years ago · b0e4bae2fe
parent 398266d10c
commit b0e4bae2fe
1 changed files with 5 additions and 1 deletions
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@ -117,7 +117,11 @@ add_compile_definitions(_FORTIFY_SOURCE=2)
 add_compile_options(-Wformat -Werror=format-security)
 endif()
 add_compile_options(-Wall -Wextra -W -Wshadow)
-add_compile_options(-ffast-math -fexceptions -fstrict-aliasing)
+# -ffast-math dies on NaNs we draw from libav (by -ffinite-math-only)
+add_compile_options(-fno-signed-zeros -fno-trapping-math -fassociative-math)
+add_compile_options(-fno-math-errno -freciprocal-math)
+add_compile_options(-funsafe-math-optimizations -fcx-limited-range)
+add_compile_options(-fexceptions -fstrict-aliasing)

 if(${USE_ASAN})
 add_compile_options(-fsanitize=address)