mk,cmake: add Makefile helpers and exclude retest from all

CMakeLists.txt

@@ -737,4 +737,4 @@ install(FILES ${CMAKE_CURRENT_BINARY_DIR}/libre.pc
 # Test
 #
 
-add_subdirectory(test)
+add_subdirectory(test EXCLUDE_FROM_ALL)

Makefile

@@ -0,0 +1,42 @@
+.PHONY: build
+build:
+	[ -d build ] || cmake -B build
+	cmake --build build --parallel
+
+.PHONY: ninja
+ninja:
+	[ -d build ] || cmake -B build -G Ninja
+	make build
+
+.PHONY: dist
+dist: build
+	cmake --install build --prefix dist
+
+.PHONY: test
+test: build
+	cmake --build build --parallel -t retest
+	build/test/retest -rv
+
+.PHONY: clean
+clean:
+	@rm -Rf build dist CMakeCache.txt CMakeFiles
+
+
+###############################################################################
+#
+# Documentation section
+#
+DOX_DIR=../re-dox
+
+$(DOX_DIR):
+	@mkdir $@
+
+$(DOX_DIR)/Doxyfile: mk/Doxyfile Makefile
+	@cp $< $@
+	@perl -pi -e 's/PROJECT_NUMBER\s*=.*/PROJECT_NUMBER = $(VERSION)/' \
+	$(DOX_DIR)/Doxyfile
+
+.PHONY:
+dox:	$(DOX_DIR) $(DOX_DIR)/Doxyfile
+	@doxygen $(DOX_DIR)/Doxyfile 2>&1 | grep -v DEBUG_ ; true
+	echo "Doxygen docs in $(DOX_DIR)"