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Diffstat (limited to 'libstdc++-v3/include/c_std/std_cmath.h')
-rw-r--r--libstdc++-v3/include/c_std/std_cmath.h4
1 files changed, 2 insertions, 2 deletions
diff --git a/libstdc++-v3/include/c_std/std_cmath.h b/libstdc++-v3/include/c_std/std_cmath.h
index b34e172167c..d6c72e474f5 100644
--- a/libstdc++-v3/include/c_std/std_cmath.h
+++ b/libstdc++-v3/include/c_std/std_cmath.h
@@ -41,8 +41,8 @@
* contained in the namespace @c std.
*/
-#ifndef _CMATH
-#define _CMATH 1
+#ifndef _GLIBCXX_CMATH
+#define _GLIBCXX_CMATH 1
#pragma GCC system_header
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