bear: fix on x86_64-darwin

pkgs/development/tools/build-managers/bear/default.nix

@@ -49,6 +49,9 @@ stdenv.mkDerivation rec {
     ./no-double-relative.patch
   ];
 
+  # 'path' is unavailable: introduced in macOS 10.15
+  CXXFLAGS = lib.optional (stdenv.hostPlatform.system == "x86_64-darwin") "-D_LIBCPP_DISABLE_AVAILABILITY";
+
   meta = with lib; {
     description = "Tool that generates a compilation database for clang tooling";
     longDescription = ''
@@ -60,7 +63,5 @@ stdenv.mkDerivation rec {
     license = licenses.gpl3Plus;
     platforms = platforms.unix;
     maintainers = with maintainers; [ babariviere qyliss ];
-    # ld: symbol(s) not found for architecture x86_64
-    broken = stdenv.isDarwin && stdenv.isx86_64;
   };
 }

pkgs/top-level/all-packages.nix

@@ -13343,7 +13343,13 @@ with pkgs;
 
   buildBazelPackage = callPackage ../build-support/build-bazel-package { };
 
-  bear = callPackage ../development/tools/build-managers/bear { };
+  bear = callPackage ../development/tools/build-managers/bear {
+    # error: no viable constructor or deduction guide for deduction of template arguments of 'map'
+    stdenv = if stdenv.hostPlatform.system == "x86_64-darwin" then
+        llvmPackages_11.stdenv
+      else
+        stdenv;
+  };
 
   bin_replace_string = callPackage ../development/tools/misc/bin_replace_string { };