patched fromTOML to fix MacOS testing

NixOS · Mar 26, 2024 · 5bfe3b8 · 5bfe3b8
1 parent c152c27
commit 5bfe3b8
Showing 1 changed file with 14 additions and 0 deletions.
diff --git a/src/libexpr/primops/fromTOML.cc b/src/libexpr/primops/fromTOML.cc
@@ -1,6 +1,20 @@
 #include "primops.hh"
 #include "eval-inline.hh"
 
+
+/*
+FIXME: currently, toml11 requires us to set
+the C++ version to differentiate between
+invoke_result and result_of. Fixes compilation
+on MacOS.
+
+https://stackoverflow.com/questions/75121130
+
+*/
+#ifndef __cplusplus
+    #define __cplusplus 202000L
+#endif
+
 #include "../../toml11/toml.hpp"
 
 #include <sstream>