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Diffstat (limited to 'newlib/libm/common/s_lib_ver.c')
-rw-r--r--newlib/libm/common/s_lib_ver.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/newlib/libm/common/s_lib_ver.c b/newlib/libm/common/s_lib_ver.c
index 15c8b4166..8da03b79a 100644
--- a/newlib/libm/common/s_lib_ver.c
+++ b/newlib/libm/common/s_lib_ver.c
@@ -24,10 +24,10 @@
_LIB_VERSION_TYPE _LIB_VERSION = _POSIX_;
#else
#ifdef _XOPEN_MODE
-_LIB_VERSION_TYPE _LIB_VERSION = _XOPEN_;
+#error _XOPEN_MODE is unsupported
#else
#ifdef _SVID3_MODE
-_LIB_VERSION_TYPE _LIB_VERSION = _SVID_;
+#error _SVID3_MODE is unsupported
#else /* default _IEEE_MODE */
_LIB_VERSION_TYPE _LIB_VERSION = _IEEE_;
#endif