Use cppcheck working directoryHEADmain

This allows for better analysis, and adds a cache to improve checking times,
especially on repeated runs.

2 files changed, 39 insertions, 34 deletions

diff --git a/test/lint/meson.build b/test/lint/meson.build
new file mode 100644
index 0000000..04214f1
--- /dev/null
+++ b/test/lint/meson.build
@@ -0,0 +1,38 @@
+# Copyright 2020-2024 David Robillard <d@drobilla.net>
+# SPDX-License-Identifier: 0BSD OR ISC
+
+# Check licensing metadata
+reuse = find_program('reuse', required: false)
+if reuse.found()
+  reuse_args = ['--root', lilv_src_root, 'lint']
+  test('REUSE', reuse, args: reuse_args, suite: 'data')
+endif
+
+if not meson.is_subproject()
+  # Check release metadata
+  autoship = find_program('autoship', required: false)
+  if autoship.found()
+    test('autoship', autoship, args: ['test', lilv_src_root], suite: 'data')
+  endif
+
+  # Check code with cppcheck
+  cppcheck = find_program('cppcheck', required: false)
+  if cppcheck.found()
+    compdb_path = join_paths(lilv_build_root, 'compile_commands.json')
+    suppress_path = join_paths(lilv_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,
+        '-DLILV_VERSION="\"@0@\""'.format(meson.project_version()),
+        '-q',
+      ],
+      suite: 'code',
+    )
+  endif
+endif
diff --git a/test/meson.build b/test/meson.build
index 1780bab..e260f37 100644
--- a/test/meson.build
+++ b/test/meson.build
@@ -92,38 +92,5 @@ endforeach
 ########
 
 if get_option('lint')
-  if not meson.is_subproject()
-    # Check release metadata
-    autoship = find_program('autoship', required: false)
-    if autoship.found()
-      test('autoship', autoship, args: ['test', lilv_src_root], suite: 'data')
-    endif
-
-    # Check code with cppcheck
-    cppcheck = find_program('cppcheck', required: false)
-    if cppcheck.found()
-      compdb_path = join_paths(lilv_build_root, 'compile_commands.json')
-      suppress_path = join_paths(lilv_src_root, '.suppress.cppcheck')
-      test(
-        'cppcheck',
-        cppcheck,
-        args: [
-          '--enable=warning,style,performance,portability',
-          '--error-exitcode=1',
-          '--project=' + compdb_path,
-          '--suppressions-list=' + suppress_path,
-          '-DLILV_VERSION="\"@0@\""'.format(meson.project_version()),
-          '-q',
-        ],
-        suite: 'code',
-      )
-    endif
-  endif
-
-  # Check licensing metadata
-  reuse = find_program('reuse', required: false)
-  if reuse.found()
-    reuse_args = ['--root', lilv_src_root, 'lint']
-    test('REUSE', reuse, args: reuse_args, suite: 'data')
-  endif
+  subdir('lint')
 endif