Make checks for <version> C++ specific.

boostorg · Feb 24, 2022 · 08dced5 · 08dced5
1 parent 6d01556
commit 08dced5
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Showing 2 changed files with 2 additions and 2 deletions.
diff --git a/include/boost/config/detail/suffix.hpp b/include/boost/config/detail/suffix.hpp
@@ -1202,7 +1202,7 @@ namespace std{ using ::type_info; }
 #endif
 #endif
 
-#ifdef __has_include
+#if defined(__cplusplus) && defined(__has_include)
 #if !__has_include(<version>)
 #  define BOOST_NO_CXX20_HDR_VERSION
 #else

diff --git a/include/boost/config/stdlib/libcpp.hpp b/include/boost/config/stdlib/libcpp.hpp
@@ -104,7 +104,7 @@
 #  define BOOST_NO_CXX98_BINDERS
 #endif
 
-#ifdef __has_include
+#if defined(__cplusplus) && defined(__has_include)
 #if __has_include(<version>)
 #include <version>