https://github.com/billhoffman updated
https://github.com/llvm/llvm-project/pull/122370
>From 231a1efbecbf6c0f28eba49f3479e0320d33f02d Mon Sep 17 00:00:00 2001
From: Bill Hoffman <bill.hoff...@kitware.com>
Date: Thu, 9 Jan 2025 15:52:40 -0500
Subject: [PATCH] Fix print module manifest file for macos
---
clang/lib/Driver/Driver.cpp | 5 ++++
...les-print-library-module-manifest-path.cpp | 26 +++++++++++++++++++
2 files changed, 31 insertions(+)
diff --git a/clang/lib/Driver/Driver.cpp b/clang/lib/Driver/Driver.cpp
index 04f2664ffeaddb..90b6ef90e3402b 100644
--- a/clang/lib/Driver/Driver.cpp
+++ b/clang/lib/Driver/Driver.cpp
@@ -6396,6 +6396,11 @@ std::string Driver::GetFilePath(StringRef Name, const
ToolChain &TC) const {
if (auto P = SearchPaths(TC.getFilePaths()))
return *P;
+ SmallString<128> R2(ResourceDir);
+ llvm::sys::path::append(R2, "..", "..", Name);
+ if (llvm::sys::fs::exists(Twine(R2)))
+ return std::string(R2);
+
return std::string(Name);
}
diff --git a/clang/test/Driver/modules-print-library-module-manifest-path.cpp
b/clang/test/Driver/modules-print-library-module-manifest-path.cpp
index 3ba2709ad95cc8..8d17fe1549e34b 100644
--- a/clang/test/Driver/modules-print-library-module-manifest-path.cpp
+++ b/clang/test/Driver/modules-print-library-module-manifest-path.cpp
@@ -18,6 +18,28 @@
// RUN: --target=x86_64-linux-gnu 2>&1 \
// RUN: | FileCheck libcxx.cpp
+// for macos there is a different directory structure
+// where the library and libc++.modules.json file are in lib
+// directly but headers are in clang/ver directory which
+// is the resource directory
+// RUN: mkdir -p %t/Inputs/usr/lib/clang/20
+// RUN: touch %t/Inputs/usr/lib/libc++.so
+// RUN: touch %t/Inputs/usr/lib/libc++.modules.json
+// RUN: %clang -print-library-module-manifest-path \
+// RUN: -stdlib=libc++ \
+// RUN: -resource-dir=%t/Inputs/usr/lib/clang/20 \
+// RUN: --target=arm64-apple-darwin24.1.0 2>&1 \
+// RUN: | FileCheck libcxx.cpp.macos
+
+// RUN: rm %t/Inputs/usr/lib/libc++.so
+// RUN: touch %t/Inputs/usr/lib/libc++.a
+// RUN: touch %t/Inputs/usr/lib/libc++.modules.json
+// RUN: %clang -print-library-module-manifest-path \
+// RUN: -stdlib=libc++ \
+// RUN: -resource-dir=%t/Inputs/usr/lib/clang/20 \
+// RUN: --target=arm64-apple-darwin24.1.0 2>&1 \
+// RUN: | FileCheck libcxx.cpp.macos
+
// RUN: rm %t/Inputs/usr/lib/x86_64-linux-gnu/libc++.so
// RUN: touch %t/Inputs/usr/lib/x86_64-linux-gnu/libc++.a
// RUN: %clang -print-library-module-manifest-path \
@@ -40,6 +62,10 @@
// CHECK: {{.*}}/Inputs/usr/lib/x86_64-linux-gnu{{/|\\}}libc++.modules.json
+//--- libcxx.cpp.macos
+
+// CHECK: {{.*}}libc++.modules.json
+
//--- libcxx-no-shared-lib.cpp
// Note this might find a different path depending whether search path
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