} \
while (0)
+#define GNU_USER_TARGET_D_OS_VERSIONS() \
+ do { \
+ builtin_version ("linux"); \
+ if (OPTION_GLIBC) \
+ builtin_version ("CRuntime_Glibc"); \
+ else if (OPTION_UCLIBC) \
+ builtin_version ("CRuntime_UClibc"); \
+ else if (OPTION_BIONIC) \
+ builtin_version ("CRuntime_Bionic"); \
+ else if (OPTION_MUSL) \
+ builtin_version ("CRuntime_Musl"); \
+ } while (0)
+
#undef CPP_OS_DEFAULT_SPEC
#define CPP_OS_DEFAULT_SPEC "%(cpp_os_linux) %(include_extra)"