+if (toolchain == 'gcc' and cc.version().version_compare('>=8.3.0'))
+ cflags += '-DVHOST_GCC_UNROLL_PRAGMA'
+elif (toolchain == 'clang' and cc.version().version_compare('>=3.7.0'))
+ cflags += '-DVHOST_CLANG_UNROLL_PRAGMA'
+elif (toolchain == 'icc' and cc.version().version_compare('>=16.0.0'))
+ cflags += '-DVHOST_ICC_UNROLL_PRAGMA'
+endif