From: LLVM Packaging Team <pkg-llvm-team@lists.alioth.debian.org>
Date: Tue, 16 Dec 2025 11:47:30 +0000 (+0100)
Subject: link-with-package-metadata
X-Git-Tag: archive/raspbian/1%21.1.8-1+rpi1~9
X-Git-Url: https://dgit.raspbian.org/%22http://www.example.com/cgi/%22/%22http:/www.example.com/cgi/%22?a=commitdiff_plain;h=7b903d9326c4380bcb23c00b81acbbaf8182b290;p=llvm-toolchain-21.git

link-with-package-metadata

===================================================================

Gbp-Pq: Name link-with-package-metadata.diff
---

diff --git a/clang/lib/Driver/ToolChains/Linux.cpp b/clang/lib/Driver/ToolChains/Linux.cpp
index cd40d1cca3..ab9a13057c 100644
--- a/clang/lib/Driver/ToolChains/Linux.cpp
+++ b/clang/lib/Driver/ToolChains/Linux.cpp
@@ -309,6 +309,21 @@ Linux::Linux(const Driver &D, const llvm::Triple &Triple, const ArgList &Args)
   ExtraOpts.push_back("--build-id");
 #endif
 
+  if (Distro.IsDebian() && Distro >= Distro::DebianTrixie
+      || Distro.IsUbuntu() && Distro >= Distro::UbuntuNoble)
+  {
+    const char *pkg_metadata = getenv ("ELF_PACKAGE_METADATA");
+    const char *no_pkg_metadata = getenv ("NO_PKG_METADATA");
+
+    if (no_pkg_metadata) {
+      // don't issue --package-metadata option
+    } else if (!pkg_metadata) {
+      // no environment set for package metadata
+    } else {
+      ExtraOpts.push_back(std::string("--package-metadata=") + pkg_metadata);
+    }
+  }
+
   // The selection of paths to try here is designed to match the patterns which
   // the GCC driver itself uses, as this is part of the GCC-compatible driver.
   // This was determined by running GCC in a fake filesystem, creating all