Initial commit

Setting up a build process for a macOS OpenGL application.

1 files changed, 56 insertions, 0 deletions

diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..57c2774
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,56 @@
+.POSIX:
+.SUFFIXES:
+
+# Source code location and files to watch for changes.
+SRC_DIR     := src
+BUILD_DIR   := build
+SRC_MAIN    := $(SRC_DIR)/main.c
+WATCH_SRC   := $(shell find $(SRC_DIR) -name "*.c" -or -name "*.s" -or -name "*.h")
+INC_DIRS    := $(shell find $(SRC_DIR) -type d)
+INC_FLAGS   := $(addprefix -I,$(INC_DIRS))
+
+# Output executable.
+TARGET := ogl
+BIN    := $(BUILD_DIR)/$(TARGET)
+
+# Compiler and linker configuration.
+CC             := cc
+CFLAGS         := -Wall -Wextra -pedantic -DBIN_NAME=\"$(TARGET)\" -Wno-missing-braces
+CFLAGS         += $(INC_FLAGS)
+NASM_FLAGS     ?= -felf64
+LDFLAGS        :=
+LDLIBS         := -lglfw -framework OpenGL
+RELEASE_CFLAGS := -DNDEBUG -O2
+DEBUG_CFLAGS   := -DDEBUG -O0 -g
+
+.PHONY: build tests clean
+
+# Setup debug/release builds.
+#     make clean && make <target> DEBUG=0
+#     make clean && make <target> DEBUG=1
+DEBUG ?= 0
+ifeq ($(DEBUG), 1)
+    CFLAGS += $(DEBUG_CFLAGS)
+    NASM_FLAGS += -g -F dwarf
+else ifeq ($(DEBUG), 2)
+    CFLAGS += $(DEBUG_CFLAGS) -fsanitize=address
+    NASM_FLAGS += -g -F dwarf
+else
+    CFLAGS += $(RELEASE_CFLAGS)
+endif
+
+main: $(BIN)
+
+$(BIN): $(SRC_MAIN) $(WATCH_SRC) $(BUILD_DIR)
+        $(CC) $(CFLAGS) $(LDFLAGS) -o $(BIN) $(SRC_MAIN) $(LDLIBS)
+
+# Create build directory if needed.
+$(BUILD_DIR):
+        mkdir -p $(BUILD_DIR)
+
+run: $(BIN)
+        $(BIN) example.bdl
+
+# Remove build directory.
+clean:
+        rm -rf $(BUILD_DIR)