aboutsummaryrefslogtreecommitdiff
path: root/repos/clang/llvm/0017-clang-use-as-needed-by-default.patch
diff options
context:
space:
mode:
Diffstat (limited to 'repos/clang/llvm/0017-clang-use-as-needed-by-default.patch')
-rwxr-xr-xrepos/clang/llvm/0017-clang-use-as-needed-by-default.patch30
1 files changed, 30 insertions, 0 deletions
diff --git a/repos/clang/llvm/0017-clang-use-as-needed-by-default.patch b/repos/clang/llvm/0017-clang-use-as-needed-by-default.patch
new file mode 100755
index 00000000..baf51e7d
--- /dev/null
+++ b/repos/clang/llvm/0017-clang-use-as-needed-by-default.patch
@@ -0,0 +1,30 @@
+From 28381edd19f49f3bbc9938a714782e0e92691953 Mon Sep 17 00:00:00 2001
+From: q66 <q66@chimera-linux.org>
+Date: Sun, 14 Apr 2024 14:48:51 +0200
+Subject: [PATCH 17/30] clang: use --as-needed by default
+
+---
+ clang/lib/Driver/ToolChains/Gnu.cpp | 7 +++++++
+ 1 file changed, 7 insertions(+)
+
+diff --git a/clang/lib/Driver/ToolChains/Gnu.cpp b/clang/lib/Driver/ToolChains/Gnu.cpp
+index 5e9a655ea..263c4632a 100644
+--- a/clang/lib/Driver/ToolChains/Gnu.cpp
++++ b/clang/lib/Driver/ToolChains/Gnu.cpp
+@@ -543,6 +543,13 @@ void tools::gnutools::Linker::ConstructJob(Compilation &C, const JobAction &JA,
+ bool NeedsSanitizerDeps = addSanitizerRuntimes(ToolChain, Args, CmdArgs);
+ bool NeedsXRayDeps = addXRayRuntime(ToolChain, Args, CmdArgs);
+ addLinkerCompressDebugSectionsOption(ToolChain, Args, CmdArgs);
++
++ // Use --as-needed by default for all explicit linker inputs on Linux
++ // We don't reset it afterwards because explicit argument does not
++ // get reset either (and that is permitted, so it should be fine)
++ if (Triple.isOSLinux())
++ CmdArgs.push_back("--as-needed");
++
+ AddLinkerInputs(ToolChain, Inputs, Args, CmdArgs, JA);
+
+ addHIPRuntimeLibArgs(ToolChain, C, Args, CmdArgs);
+--
+2.47.0
+