Merge branch 'ci-clang-build' into 'main'

ci: Add a clang build

See merge request GNOME/gtk!5987

.gitlab-ci.yml

@@ -123,6 +123,26 @@ release-build:
     - LD_LIBRARY_PATH=${CI_PROJECT_DIR}/_install/lib64 meson compile -C _build_hello
     - .gitlab-ci/run-tests.sh _build x11
 
+fedora-clang:
+  extends: .build-fedora-default
+  stage: build
+  needs: []
+  variables:
+    EXTRA_MESON_FLAGS: "--buildtype=release"
+  script:
+    - .gitlab-ci/show-info-linux.sh
+    - export PATH="$HOME/.local/bin:$PATH"
+    - export CC=clang
+    - meson subprojects download
+    - meson subprojects update --reset
+    - meson setup
+            ${COMMON_MESON_FLAGS}
+            ${EXTRA_MESON_FLAGS}
+            ${BACKEND_FLAGS}
+            ${FEATURE_FLAGS}
+            _build
+    - meson compile -C _build
+
 fedora-mingw64:
   extends: .build-fedora-default
   stage: build

gsk/gl/gskgltexturelibrary.c

@@ -88,7 +88,7 @@ gsk_gl_texture_library_real_compact (GskGLTextureLibrary *self,
       GskGLTextureAtlasEntry *entry;
       GHashTableIter iter;
       guint dropped = 0;
-      guint atlased = 0;
+      G_GNUC_UNUSED guint atlased = 0;
 
       g_hash_table_iter_init (&iter, self->hash_table);
       while (g_hash_table_iter_next (&iter, NULL, (gpointer *)&entry))

gsk/vulkan/gskvulkanglyphcache.c

@@ -450,7 +450,7 @@ gsk_vulkan_glyph_cache_begin_frame (GskVulkanGlyphCache *cache)
   GHashTableIter iter;
   GlyphCacheKey *key;
   GskVulkanCachedGlyph *value;
-  guint dropped = 0;
+  G_GNUC_UNUSED guint dropped = 0;
 
   cache->timestamp++;
 

modules/printbackends/gtkcupsutils.h

@@ -96,9 +96,9 @@ struct _GtkCupsRequest
   char *password;
   char *username;
 
-  int own_http : 1;
-  int need_password : 1;
-  int need_auth_info : 1;
+  unsigned int own_http : 1;
+  unsigned int need_password : 1;
+  unsigned int need_auth_info : 1;
   char **auth_info_required;
   char **auth_info;
   GtkCupsPasswordState password_state;