adopt improvement from scipy sources (scipy/scipy#19761)

mreineck · Dec 30, 2023 · 9d3ab05 · 9d3ab05
1 parent 128707f
commit 9d3ab05
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/pocketfft_hdronly.h b/pocketfft_hdronly.h
@@ -43,7 +43,7 @@ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 #error This file is C++ and requires a C++ compiler.
 #endif
 
-#if !(__cplusplus >= 201103L || _MSVC_LANG+0L >= 201103L)
+#if !(__cplusplus >= 201103L || (defined(_MSVC_LANG) && _MSVC_LANG >= 201103L))
 #error This file requires at least C++11 support.
 #endif