--- a/Makefile	Sat Jan 06 01:04:15 2024 +0100
+++ b/Makefile	Tue Oct 08 22:24:40 2024 +0200
@@ -13,6 +13,18 @@
 # You should have received a copy of the GNU General Public License
 # along with this program. If not, see <http://www.gnu.org/licenses/>.
 
+CXX ?= g++
+CXXFLAGS ?= -O2 -g3 -ggdb -Wall -Wno-sign-compare
+CXXFLAGS += --std=c++20
+# CXXFLAGS += -Wextra
+LDFLAGS = $(shell pkg-config --cflags --libs epoxy x11 glu glm Magick++)
+
+ifeq ($(MODE), dev)
+CXXFLAGS += -fsanitize=undefined -fsanitize=address
+endif
+
+# TODO: provide debug symbols in separate files
+
 all: build/shader-shark
 
 .PHONY: all clean run
@@ -23,17 +35,9 @@
 run: build/shader-shark
 	SHADER_SHARK_DATA_DIR=. $(<)
 
-SRC= \
-    Shark.cpp \
-    shader-shark.cpp \
-    ImageLoader.cpp \
-    Texture.cpp \
-    Shader.cpp \
-    Program.cpp \
-    XAttrs.cpp \
-    FileMonitor.cpp
+SRC =     $(shell find -maxdepth 1 -name '*.cpp')
+HEADERS = $(shell find -maxdepth 1 -name '*.h')
 
-build/shader-shark: $(SRC) *.h
+build/shader-shark: $(SRC) $(HEADERS)
 	mkdir -p build
-	$(CXX) -std=c++20 -g -o $(@) $(SRC) $$(pkg-config --cflags --libs \
-	    epoxy x11 glu glm Magick++)
+	$(CXX) $(CXXFLAGS) -o $(@) $(SRC) $(LDFLAGS)