fix: tikv-jmalloc fails to build in debug mode by disabling hardening…

… in fuel-dev shell (#167)

closes #166.

Removes the auto hardening enabled on nixOS to fix the build fail in
debug mode for fuel repos. More details about the issue and root cause
can be found in the issue ticker.

flake.nix

@@ -256,6 +256,9 @@
         in
           (pkgs.lib.mapAttrsToList (n: v: v) currentNightlies) ++ [fuel-core-dev sway-dev];
         inherit (fuel-core-dev) LIBCLANG_PATH ROCKSDB_LIB_DIR PROTOC NIX_CFLAGS_COMPILE;
+        # Remove the hardening added by nix to fix jmalloc compilation error.
+        # More info: https://github.com/tikv/jemallocator/issues/108
+        hardeningDisable = ["fortify"];
       };
 
       default = fuel-dev;