[clang] Add -fuse-lipo option (PR #121231)

[Ashley Hauck via cfe-commits]

https://github.com/khyperia updated https://github.com/llvm/llvm-project/pull/121231

>From 33b542152876b9ccbf42cc3d070d582c32145477 Mon Sep 17 00:00:00 2001
From: khyperia <github at khyperia.com>
Date: Fri, 27 Dec 2024 23:03:58 +0100
Subject: [PATCH] Add -fuse-lipo option

---
 clang/include/clang/Driver/Options.td  | 1 +
 clang/lib/Driver/ToolChains/Darwin.cpp | 5 ++++-
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/clang/include/clang/Driver/Options.td b/clang/include/clang/Driver/Options.td
index d922709db17786..6cd23de87bacde 100644
--- a/clang/include/clang/Driver/Options.td
+++ b/clang/include/clang/Driver/Options.td
@@ -6654,6 +6654,7 @@ def fbinutils_version_EQ : Joined<["-"], "fbinutils-version=">,
 def fuse_ld_EQ : Joined<["-"], "fuse-ld=">, Group<f_Group>,
   Flags<[LinkOption]>, Visibility<[ClangOption, FlangOption, CLOption]>;
 def ld_path_EQ : Joined<["--"], "ld-path=">, Group<Link_Group>;
+def fuse_lipo_EQ : Joined<["-"], "fuse-lipo=">, Group<f_clang_Group>, Flags<[LinkOption]>;
 
 defm align_labels : BooleanFFlag<"align-labels">, Group<clang_ignored_gcc_optimization_f_Group>;
 def falign_labels_EQ : Joined<["-"], "falign-labels=">, Group<clang_ignored_gcc_optimization_f_Group>;
diff --git a/clang/lib/Driver/ToolChains/Darwin.cpp b/clang/lib/Driver/ToolChains/Darwin.cpp
index 4105d38d15d7d8..0d3cbb57362164 100644
--- a/clang/lib/Driver/ToolChains/Darwin.cpp
+++ b/clang/lib/Driver/ToolChains/Darwin.cpp
@@ -910,7 +910,10 @@ void darwin::Lipo::ConstructJob(Compilation &C, const JobAction &JA,
     CmdArgs.push_back(II.getFilename());
   }
 
-  const char *Exec = Args.MakeArgString(getToolChain().GetProgramPath("lipo"));
+  std::string LipoName =
+      std::string(Args.getLastArgValue(options::OPT_fuse_lipo_EQ, "lipo"));
+  const char *Exec =
+      Args.MakeArgString(getToolChain().GetProgramPath(LipoName.c_str()));
   C.addCommand(std::make_unique<Command>(JA, *this, ResponseFileSupport::None(),
                                          Exec, CmdArgs, Inputs, Output));
 }