nixpkgs/pkgs/applications/editors/rstudio/clang-location.patch
Andrew Childs 7869d16545 llvmPackages: Multuple outputs for everythting
Also begin to start work on cross compilation, though that will have to
be finished later.

The patches are based on the first version of
https://reviews.llvm.org/D99484. It's very annoying to do the
back-porting but the review has uncovered nothing super major so I'm
fine sticking with what I've got.

Beyond making the outputs work, I also strove to re-sync the packages,
as they have been drifting pointlessly apart for some time.

----

Other misc notes, highly incomplete

- lvm-config-native and llvm-config are put in `dev` because they are
  tools just for build time.

- Clang no longer has an lld dep. That was introduced in
  db29857eb3, but if clang needs help
  finding lld when it is used we should just pass it flags / put in the
  resource dir. Providing it at build time increases critical path
  length for no good reason.

----

A note on `nativeCC`:

`stdenv` takes tools from the previous stage, so:

1. `pkgsBuildBuild`: `(?1, x, x)`
2. `pkgsBuildBuild.stdenv.cc`: `(?0, ?1, x)`

while:

1. `pkgsBuildBuild`: `(?1, x, x)`
2. `pkgsBuildBuild.targetPackages`: `(x, x, ?2)`
3. `pkgsBuildBuild.targetPackages.stdenv.cc`: `(?1, x, x)`
2021-04-30 05:41:00 +00:00

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Diff

diff --git i/src/cpp/core/libclang/LibClang.cpp w/src/cpp/core/libclang/LibClang.cpp
index ec12a3a1ff..8c81b633ae 100644
--- i/src/cpp/core/libclang/LibClang.cpp
+++ w/src/cpp/core/libclang/LibClang.cpp
@@ -54,7 +54,7 @@ std::vector<std::string> defaultCompileArgs(LibraryVersion version)
// we need to add in the associated libclang headers as
// they are not discovered / used by default during compilation
- FilePath llvmPath = s_libraryPath.parent().parent();
+ FilePath llvmPath("@libclang@");
boost::format fmt("%1%/lib/clang/%2%/include");
fmt % llvmPath.absolutePath() % version.asString();
std::string includePath = fmt.str();
@@ -77,10 +77,7 @@ std::vector<std::string> systemClangVersions()
#elif defined(__unix__)
// default set of versions
clangVersions = {
- "/usr/lib/libclang.so",
- "/usr/lib/llvm/libclang.so",
- "/usr/lib64/libclang.so",
- "/usr/lib64/llvm/libclang.so",
+ "@libclang.so@"
};
// iterate through the set of available 'llvm' directories