Index: External/SPEC/CFP2017rate/526.blender_r/CMakeLists.txt
===================================================================
--- External/SPEC/CFP2017rate/526.blender_r/CMakeLists.txt
+++ External/SPEC/CFP2017rate/526.blender_r/CMakeLists.txt
@@ -6,15 +6,16 @@
 
 speccpu2017_benchmark(RATE)
 
-add_definitions(
+add_compile_options(
   -DGLEW_NO_ES
   -DGLEW_STATIC
   -DWITH_DNA_GHASH
   -DWITH_GL_PROFILE_COMPAT
   -DWITH_HEADLESS
   -DHAVE_UNSIGNED_CHAR
+  -funsigned-char
+  $<$<COMPILE_LANGUAGE:CXX>:-D__BOOL_DEFINED>
 )
-add_compile_options(-funsigned-char)
 speccpu2017_add_include_dirs(
   specrand
   blender/extern/binreloc/include