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-rw-r--r--newlib/libm/common/s_isinf.c2
-rw-r--r--newlib/libm/common/s_isnan.c2
2 files changed, 4 insertions, 0 deletions
diff --git a/newlib/libm/common/s_isinf.c b/newlib/libm/common/s_isinf.c
index f22acb7f1..fe18e2aba 100644
--- a/newlib/libm/common/s_isinf.c
+++ b/newlib/libm/common/s_isinf.c
@@ -13,6 +13,8 @@
#ifndef _DOUBLE_IS_32BITS
+#undef isinf
+
int
_DEFUN (isinf, (x),
double x)
diff --git a/newlib/libm/common/s_isnan.c b/newlib/libm/common/s_isnan.c
index 64deacd66..bc0a91631 100644
--- a/newlib/libm/common/s_isnan.c
+++ b/newlib/libm/common/s_isnan.c
@@ -190,6 +190,8 @@ QUICKREF
#ifndef _DOUBLE_IS_32BITS
+#undef isnan
+
#ifdef __STDC__
int isnan(double x)
#else