Swapped glib integer types in the sysinfo interface for standard stdint types to remove glib coupling in the header.

Replaced glib string/util usage in the win32 sysinfo backend with local helpers, a small string builder, and Windows UTF-8 conversion, removing the glib dependency there.

Makefile

@@ -6,24 +6,38 @@ MESON_SETUP_ARGS ?=
 MESON_COMPILE_ARGS ?=
 MESON_INSTALL_ARGS ?=
 
-.PHONY: all configure build reconfigure install clean distclean
+CONFIG_STAMP := $(BUILD_DIR)/build.ninja
+
+.PHONY: all configure build reconfigure install uninstall clean distclean
 
 all: build
 
-configure:
-	$(MESON) setup $(BUILD_DIR) --prefix=$(PREFIX) $(MESON_SETUP_ARGS)
+# Only run initial meson setup if we don't have a configured build dir yet.
+$(CONFIG_STAMP):
+	@mkdir -p $(BUILD_DIR)
+	@env NINJA=$(NINJA) $(MESON) setup $(BUILD_DIR) --prefix=$(PREFIX) $(MESON_SETUP_ARGS)
+
+configure: $(CONFIG_STAMP)
 
 build: configure
-	$(MESON) compile -C $(BUILD_DIR) $(MESON_COMPILE_ARGS)
+	@env NINJA=$(NINJA) $(MESON) compile -C $(BUILD_DIR) $(MESON_COMPILE_ARGS)
 
 reconfigure:
-	$(MESON) setup --reconfigure $(BUILD_DIR) --prefix=$(PREFIX) $(MESON_SETUP_ARGS)
+	@mkdir -p $(BUILD_DIR)
+	@env NINJA=$(NINJA) $(MESON) setup --reconfigure $(BUILD_DIR) --prefix=$(PREFIX) $(MESON_SETUP_ARGS)
 
 install: build
-	$(MESON) install -C $(BUILD_DIR) $(MESON_INSTALL_ARGS)
+	@env NINJA=$(NINJA) $(MESON) install -C $(BUILD_DIR) $(MESON_INSTALL_ARGS)
+
+uninstall: configure
+	@$(NINJA) -C $(BUILD_DIR) uninstall
 
 clean:
-	$(MESON) compile -C $(BUILD_DIR) --clean
+	@if [ -f "$(CONFIG_STAMP)" ]; then \
+		env NINJA=$(NINJA) $(MESON) compile -C $(BUILD_DIR) --clean; \
+	else \
+		echo "Nothing to clean (no $(CONFIG_STAMP))."; \
+	fi
 
 distclean:
-	rm -rf $(BUILD_DIR)
+	rm -rf $(BUILD_DIR)