From 2cb4c31220660994310054f736227a6ae1d692cd Mon Sep 17 00:00:00 2001
From: David Robillard <d@drobilla.net>
Date: Fri, 10 Jan 2025 14:39:16 -0500
Subject: Use cppcheck working directory

This allows for better analysis, and adds a cache to improve checking times,
especially on repeated runs.
---
 tests/lint/meson.build | 24 ++++++++++++++++++++++++
 tests/meson.build      | 22 +---------------------
 2 files changed, 25 insertions(+), 21 deletions(-)
 create mode 100644 tests/lint/meson.build

diff --git a/tests/lint/meson.build b/tests/lint/meson.build
new file mode 100644
index 00000000..c641cbaa
--- /dev/null
+++ b/tests/lint/meson.build
@@ -0,0 +1,24 @@
+# Copyright 2019-2024 David Robillard <d@drobilla.net>
+# SPDX-License-Identifier: 0BSD OR GPL-3.0-or-later
+
+if not meson.is_subproject()
+  # Check code with cppcheck
+  cppcheck = find_program('cppcheck', required: false)
+  if cppcheck.found()
+    compdb_path = join_paths(ingen_build_root, 'compile_commands.json')
+    suppress_path = join_paths(ingen_src_root, '.suppress.cppcheck')
+    test(
+      'cppcheck',
+      cppcheck,
+      args: [
+        '--cppcheck-build-dir=' + meson.current_build_dir(),
+        '--enable=warning,style,performance,portability',
+        '--error-exitcode=1',
+        '--project=' + compdb_path,
+        '--suppressions-list=' + suppress_path,
+        '-q',
+      ],
+      suite: 'code',
+    )
+  endif
+endif
diff --git a/tests/meson.build b/tests/meson.build
index 39395bae..1637230b 100644
--- a/tests/meson.build
+++ b/tests/meson.build
@@ -96,25 +96,5 @@ endforeach
 ########
 
 if get_option('lint')
-  if not meson.is_subproject()
-    # Check code with cppcheck
-    cppcheck = find_program('cppcheck', required: false)
-    if cppcheck.found()
-      compdb_path = join_paths(ingen_build_root, 'compile_commands.json')
-      suppress_path = join_paths(ingen_src_root, '.suppress.cppcheck')
-      test(
-        'cppcheck',
-        cppcheck,
-        args: [
-          '--enable=warning,style,performance,portability',
-          '--error-exitcode=1',
-          '--project=' + compdb_path,
-          '--suppressions-list=' + suppress_path,
-          '-q',
-        ],
-        suite: 'code',
-        timeout: 60,
-      )
-    endif
-  endif
+  subdir('lint')
 endif
-- 
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