bug#57864: rust-zstd-sys bundles zstd

[Maxime Devos]

Solved as follows in antioxidant (i.e., enable the 'pkg-config' feature 
and remove the local copy in a snippet).

diff --git a/antioxidant-packages.scm b/antioxidant-packages.scm
index e851bc9..b0296e7 100644
--- a/antioxidant-packages.scm
+++ b/antioxidant-packages.scm
@@ -4708,6 +4708,7 @@ RFC-compliant `EmailAddress` newtype. ")
     ;; rust-num-bigint-dig's zeroize feature requires the "derive"
     ;; feature of rust-zeroize
     ("rust-zeroize" ,#~'("default" "derive"))
+    ("rust-zstd-sys" ,#~'("default" "pkg-config" "non-cargo"))
     ("rust-zip" ,#~'("bzip2" "deflate" "time" "zstd")))) ; avoid 
default "aes-crypto" feature, which requiers an ol

 (define %replacements
@@ -5748,6 +5749,8 @@ RFC-compliant `EmailAddress` newtype. ")
      (("rust-parking-lot" ,(p rust-parking-lot-0.11)))) ; test input
     ("rust-zip" ; new inputs for new version
      (("rust-zstd" ,(p rust-zstd-0.9))))
+    ("rust-zstd-sys"
+     (("zstd:lib" ,(@ (gnu packages compression) zstd) "lib")))
     ("sniffglue" (("rust-bstr" ,(@ (gnu packages crates-io) 
rust-bstr-0.2))))))

 (define %no-parallel-tests?
@@ -6628,6 +6631,14 @@ RFC-compliant `EmailAddress` newtype. ")
               (inherit (package-source pack))
               (modules '((guix build utils)))
               (snippet #~(delete-file-recursively "source"))))
+            ("rust-zstd-sys"
+             ;; Unbundle zstd
+             (origin
+              (inherit (package-source pack))
+              (modules '((guix build utils)))
+              (snippet #~(begin
+                           (delete-file-recursively "zstd")
+                           (delete-file "zstd.h")))))
             ("rust-itoa"
              (origin
               (inherit (package-source pack))

OpenPGP_0x49E3EE22191725EE.asc
Description: OpenPGP public key

OpenPGP_signature
Description: OpenPGP digital signature