From 6c5edd3e68a4e97cdae9843152689b9b7fd3ce16 Mon Sep 17 00:00:00 2001
From: Efraim Flashner <efraim@flashner.co.il>
Date: Thu, 25 Jan 2024 08:30:41 +0200
Subject: gnu: rust: Fix building.

* gnu/packages/rust.scm (rust)[arguments]: Adjust 'unpack-compiler-rt
phase to correctly copy the sources into the target directory.  Adjust
'enable-profiling phase to come after an existing phase.
[native-inputs]: Add clang-runtime-source.

Change-Id: I2e05fa86c4eaf8c2f5f3562d9f7939cd881cde3f
---
 gnu/packages/rust.scm | 22 +++++++++++++---------
 1 file changed, 13 insertions(+), 9 deletions(-)

diff --git a/gnu/packages/rust.scm b/gnu/packages/rust.scm
index 344b712ff5..7cf1498ba0 100644
--- a/gnu/packages/rust.scm
+++ b/gnu/packages/rust.scm
@@ -1232,13 +1232,14 @@ safety and thread safety guarantees.")
                                      out "/lib\");\n"))))))
              (add-after 'unpack 'unpack-profiler-rt
                ;; Copy compiler-rt sources to where libprofiler_builtins looks
-               ;; for its vendored copy.  Keep the clang-runtime version in
-               ;; sync with the LLVM version used to build Rust.
+               ;; for its vendored copy.
                (lambda* (#:key inputs #:allow-other-keys)
                  (mkdir-p "src/llvm-project/compiler-rt")
-                 (invoke "tar" "-xf" #$(package-source clang-runtime-15)
-                   "-C" "src/llvm-project/compiler-rt" "--strip-components=1")))
-             (add-after 'enable-codegen-tests 'enable-profiling
+                 (copy-recursively
+                   (string-append (assoc-ref inputs "clang-source")
+                                  "/compiler-rt")
+                   "src/llvm-project/compiler-rt")))
+             (add-after 'configure 'enable-profiling
                (lambda _
                  (substitute* "config.toml"
                    (("^profiler =.*$") "")
@@ -1324,10 +1325,13 @@ exec -a \"$0\" \"~a\" \"$@\""
       (inputs
        (modify-inputs (package-inputs base-rust)
                       (prepend curl libffi `(,nghttp2 "lib") zlib)))
-      ;; Add test inputs.
-      (native-inputs (cons* `("gdb" ,gdb/pinned)
-                            `("procps" ,procps)
-                            (package-native-inputs base-rust))))))
+      (native-inputs (cons*
+                      ;; Keep in sync with the llvm used to build rust.
+                      `("clang-source" ,(package-source clang-runtime-15))
+                      ;; Add test inputs.
+                      `("gdb" ,gdb/pinned)
+                      `("procps" ,procps)
+                      (package-native-inputs base-rust))))))
 
 (define*-public (make-rust-sysroot target)
   (make-rust-sysroot/implementation target rust))
-- 
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