catch2 workaround for recent issue under macOS (#3665)

mlpack · Mar 25, 2024 · 36174fe · 36174fe
1 parent 3231137
commit 36174fe
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/src/mlpack/tests/catch.hpp b/src/mlpack/tests/catch.hpp
@@ -69,6 +69,9 @@
 // See e.g.:
 // https://opensource.apple.com/source/CarbonHeaders/CarbonHeaders-18.1/TargetConditionals.h.auto.html
 #ifdef __APPLE__
+#  ifndef __has_extension
+#    define __has_extension(x) 0
+#  endif
 #  include <TargetConditionals.h>
 #  if (defined(TARGET_OS_OSX) && TARGET_OS_OSX == 1) || \
       (defined(TARGET_OS_MAC) && TARGET_OS_MAC == 1)