From 4e2112e165fdd94dee58378e3ea32892f3710cd7 Mon Sep 17 00:00:00 2001
From: Kacper <kacper@mail.openlinux.dev>
Date: Tue, 9 Dec 2025 22:00:45 +0100
Subject: Make better diagnostics for clangd

---
 .clang-tidy | 13 +++++++++----
 .clangd     | 15 +++++++++++++++
 makefile    | 12 +++---------
 3 files changed, 27 insertions(+), 13 deletions(-)
 create mode 100644 .clangd

diff --git a/.clang-tidy b/.clang-tidy
index a06e38d7..40ceb20b 100644
--- a/.clang-tidy
+++ b/.clang-tidy
@@ -1,12 +1,17 @@
 ---
-Checks: "clang-diagnostic-*,clang-analyzer-*,-clang-analyzer-security.insecureAPI.DeprecatedOrUnsafeBufferHandling"
+Checks: >
+    clang-analyzer-*,
+    bugprone-*,
+    llvm-*,
+    performance-*,
+    concurrency-*,
+    -bugprone-reserved-identifier,
+    -llvm-header-guard
+
 WarningsAsErrors: ""
 HeaderFileExtensions:
   - h
 ImplementationFileExtensions:
   - c
 SystemHeaders: false
-CheckOptions:
-  - key: clang-analyzer-security.insecureAPI.DeprecatedOrUnsafeBufferHandling
-    value: "0"
 ...
diff --git a/.clangd b/.clangd
new file mode 100644
index 00000000..551d2c03
--- /dev/null
+++ b/.clangd
@@ -0,0 +1,15 @@
+CompileFlags:
+  Add: [-xc]
+
+Diagnostics:
+  ClangTidy:
+    FastCheckFilter: Strict
+    Add:
+      - clang-analyzer-*
+      - bugprone-*
+      - llvm-*
+      - performance-*
+      - concurrency-*
+    Remove:
+      - bugprone-reserved-identifier
+      - llvm-header-guard
diff --git a/makefile b/makefile
index 8c85fae1..ed552e29 100644
--- a/makefile
+++ b/makefile
@@ -144,7 +144,7 @@ defconfig:
 	$(Q)$(MAKE) -f scripts/kconfig/makefile defconfig
 
 include-what-you-use: compile_commands.json
-	$(Q)iwyu_tool.py -p. -j$(nproc) -- -Xiwyu --update_comments -Xiwyu --transitive_includes_only -Xiwyu --no_internal_mappings | \
+	$(Q)iwyu_tool.py -p. -j4 -- -Xiwyu --update_comments -Xiwyu --transitive_includes_only -Xiwyu --no_internal_mappings | \
 		fix_includes.py --comments \
 			--quoted_includes_first \
 			--nosafe_headers \
@@ -152,14 +152,8 @@ include-what-you-use: compile_commands.json
 			--reorder
 
 clang-tidy: compile_commands.json
-	$(Q)run-clang-tidy.py \
-		-p . \
-		-fix \
-		-fix-errors \
-		-header-filter='.*' \
-		-source-filter='.*\.(c|h)$$' \
-		-exclude-header-filter='(scripts/|dtoa|linux|arch|bits)' \
-		-j $(shell nproc)
+	$(Q)clang-tidy -header-filter=.* -p=. -fix -fix-errors $(shell find . -name '*.c' -o -name '*.h' | grep -v './scripts/\|dtoa\|linux\|arch\|bits') \
+		--export-fixes=clang-tidy-fixes.yaml
 
 clang-format:
 	$(Q)clang-format -i $(shell find . -name '*.c' -o -name '*.h' | grep -v './scripts/')
-- 
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