https://github.com/bradenhelmer updated
https://github.com/llvm/llvm-project/pull/94827
>From 317e4c2fe7fb0ee76f7917b64ee447ba3ed838bc Mon Sep 17 00:00:00 2001
From: Braden Helmer <bradenhelmer...@gmail.com>
Date: Fri, 7 Jun 2024 21:38:04 -0400
Subject: [PATCH] Implement -Wmissing-include-dirs
---
clang/include/clang/Basic/DiagnosticDriverKinds.td | 3 +++
clang/include/clang/Basic/DiagnosticGroups.td | 2 +-
clang/lib/Driver/Driver.cpp | 6 ++++++
3 files changed, 10 insertions(+), 1 deletion(-)
diff --git a/clang/include/clang/Basic/DiagnosticDriverKinds.td
b/clang/include/clang/Basic/DiagnosticDriverKinds.td
index 773b234cd68fe..b7d50e22cc0d0 100644
--- a/clang/include/clang/Basic/DiagnosticDriverKinds.td
+++ b/clang/include/clang/Basic/DiagnosticDriverKinds.td
@@ -809,4 +809,7 @@ def warn_android_unversioned_fallback : Warning<
def err_drv_triple_version_invalid : Error<
"version '%0' in target triple '%1' is invalid">;
+
+def warn_missing_include_dirs : Warning <
+ "the included directory %0 is missing">, InGroup<MissingIncludeDirs>;
}
diff --git a/clang/include/clang/Basic/DiagnosticGroups.td
b/clang/include/clang/Basic/DiagnosticGroups.td
index 7d5ba7869ec34..9b37d4bd3205b 100644
--- a/clang/include/clang/Basic/DiagnosticGroups.td
+++ b/clang/include/clang/Basic/DiagnosticGroups.td
@@ -506,7 +506,7 @@ def MaxUnsignedZero : DiagGroup<"max-unsigned-zero">;
def MissingBraces : DiagGroup<"missing-braces">;
def MissingDeclarations: DiagGroup<"missing-declarations">;
def : DiagGroup<"missing-format-attribute">;
-def : DiagGroup<"missing-include-dirs">;
+def MissingIncludeDirs : DiagGroup<"missing-include-dirs">;
def MissingNoreturn : DiagGroup<"missing-noreturn">;
def MultiChar : DiagGroup<"multichar">;
def : DiagGroup<"nested-externs">;
diff --git a/clang/lib/Driver/Driver.cpp b/clang/lib/Driver/Driver.cpp
index f5ea73a04ae5c..5bc737a43338e 100644
--- a/clang/lib/Driver/Driver.cpp
+++ b/clang/lib/Driver/Driver.cpp
@@ -1271,6 +1271,12 @@ Compilation *Driver::BuildCompilation(ArrayRef<const
char *> ArgList) {
if (VFS->setCurrentWorkingDirectory(WD->getValue()))
Diag(diag::err_drv_unable_to_set_working_directory) << WD->getValue();
+ // Check for missing include directories
+ for (auto IncludeDir : Args.getAllArgValues(options::OPT_I_Group)) {
+ if (!llvm::sys::fs::is_directory(IncludeDir))
+ Diag(diag::warn_missing_include_dirs) << IncludeDir;
+ }
+
// FIXME: This stuff needs to go into the Compilation, not the driver.
bool CCCPrintPhases;
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