pythonwebcoder
diff --git a/‎3rdparty/libpng/CMakeLists.txt
Lines changed: 9 additions & 0 deletions b/‎3rdparty/libpng/CMakeLists.txt
Lines changed: 9 additions & 0 deletions
@@ -43,6 +43,15 @@ if(";${CPU_BASELINE_FINAL};" MATCHES "SSE2"
   add_definitions(-DPNG_INTEL_SSE)
 endif()
 
+if(PPC64LE OR PPC64)
+  if(ENABLE_VSX AND NOT PPC64)
+    list(APPEND lib_srcs powerpc/powerpc_init.c powerpc/filter_vsx_intrinsics.c)
+    add_definitions(-DPNG_POWERPC_VSX_OPT=2)
+  else()
+    add_definitions(-DPNG_POWERPC_VSX_OPT=0)    
+  endif()
+endif()
+
 # ----------------------------------------------------------------------------------
 #         Define the library target:
 # ----------------------------------------------------------------------------------