--- yoshimi-1.5.10.new/src/CMakeLists.txt	2019-01-03 16:55:56.000000000 +0000
+++ yoshimi-1.5.10/src/CMakeLists.txt	2019-01-06 09:10:15.583415151 +0000
@@ -101,12 +101,12 @@
 )
 
 set (BuildOptions_X86_64AMD
-    "-march=athlon64 -m64 -Wall -msse -msse2 -mfpmath=sse -ffast-math -fno-finite-math-only -fomit-frame-pointer"
+    ${CMAKE_C_FLAGS}
   CACHE STRING "X86_64 compiler options"
 )
 
 set (BuildOptions_X86_64Core2
-    "-march=core2 -m64 -Wall -msse -msse2 -mfpmath=sse -ffast-math -fno-finite-math-only -fomit-frame-pointer"
+    ${CMAKE_C_FLAGS}
   CACHE STRING "X86_64 compiler options"
 )