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-rw-r--r--pkgs/misc/vim-plugins/default.nix7
-rw-r--r--pkgs/misc/vim-plugins/vim2nix/additional-nix-code/clang_complete7
2 files changed, 14 insertions, 0 deletions
diff --git a/pkgs/misc/vim-plugins/default.nix b/pkgs/misc/vim-plugins/default.nix
index 09e4d365f171..416262f9e1e9 100644
--- a/pkgs/misc/vim-plugins/default.nix
+++ b/pkgs/misc/vim-plugins/default.nix
@@ -293,6 +293,13 @@ rec {
       sha256 = "19zs03giv8h5xmv18y9zn85sxr8akphvbscclrqhs4cf88285cgl";
     };
     dependencies = [];
+    # In addition to the arguments you pass to your compiler, you also need to
+    # specify the path of the C++ std header (if you are using C++).
+    # These usually implicitly set by cc-wrapper around clang (pkgs/build-support/cc-wrapper).
+    # The linked ruby code shows generates the required '.clang_complete' for cmake based projects
+    # https://gist.github.com/Mic92/135e83803ed29162817fce4098dec144
+    # as an alternative you can execute the following command:
+    # $ eval echo $(nix-instantiate --eval --expr 'with (import <nixpkgs>) {}; clang.default_cxx_stdlib_compile')
     preFixup = ''
       substituteInPlace "$out"/share/vim-plugins/clang_complete/plugin/clang_complete.vim \
         --replace "let g:clang_library_path = '' + "''" + ''" "let g:clang_library_path='${llvmPackages.clang.cc}/lib/libclang.so'"
diff --git a/pkgs/misc/vim-plugins/vim2nix/additional-nix-code/clang_complete b/pkgs/misc/vim-plugins/vim2nix/additional-nix-code/clang_complete
index 64e064e2a460..ed88e08742ed 100644
--- a/pkgs/misc/vim-plugins/vim2nix/additional-nix-code/clang_complete
+++ b/pkgs/misc/vim-plugins/vim2nix/additional-nix-code/clang_complete
@@ -1,3 +1,10 @@
+    # In addition to the arguments you pass to your compiler, you also need to
+    # specify the path of the C++ std header (if you are using C++).
+    # These usually implicitly set by cc-wrapper around clang (pkgs/build-support/cc-wrapper).
+    # The linked ruby code shows generates the required '.clang_complete' for cmake based projects
+    # https://gist.github.com/Mic92/135e83803ed29162817fce4098dec144
+    # as an alternative you can execute the following command:
+    # $ eval echo $(nix-instantiate --eval --expr 'with (import <nixpkgs>) {}; clang.default_cxx_stdlib_compile')
     preFixup = ''
       substituteInPlace "$out"/share/vim-plugins/clang_complete/plugin/clang_complete.vim \
         --replace "let g:clang_library_path = '' + "''" + ''" "let g:clang_library_path='${llvmPackages.clang.cc}/lib/libclang.so'"