# Compiler configurations
# -----------------------
# Native build (gcc)
CC_NATIVE = gcc
CFLAGS_NATIVE = -std=c89 -Wall -Wextra -Werror -Wno-unused-parameter
LDFLAGS_NATIVE = 
LDLIBS_NATIVE = 

# WASM build (emscripten)
CC_WASM = emcc
CFLAGS_WASM = -std=c89 -Wall -Wextra -Werror -Wno-unused-parameter #-s WASM=1
LDFLAGS_WASM = #-s WASM=1
LDLIBS_WASM = 

# Source and build configuration
# ----------------------------
SRC = $(wildcard *.c)
EXEC_NATIVE = zre
EXEC_WASM = zre.wasm

# Build directories
OBJ_DIR_NATIVE = build/native/obj
OBJ_DIR_WASM = build/wasm/obj

# Create output paths
OBJ_NATIVE = $(addprefix $(OBJ_DIR_NATIVE)/,$(notdir $(SRC:.c=.o)))
OBJ_WASM = $(addprefix $(OBJ_DIR_WASM)/,$(notdir $(SRC:.c=.o)))

# Phony targets
# -------------
.PHONY: all clean install wasm

# Default target builds both versions
all: native wasm

# Native build rules
# ------------------
native: $(EXEC_NATIVE)

$(EXEC_NATIVE): $(OBJ_NATIVE)
	$(CC_NATIVE) $(LDFLAGS_NATIVE) $^ $(LDLIBS_NATIVE) -o $@

# WASM build rules
# ----------------
wasm: $(EXEC_WASM)

$(EXEC_WASM): $(OBJ_WASM)
	$(CC_WASM) $(LDFLAGS_WASM) $^ $(LDLIBS_WASM) -o $@

# Object file rules
# -----------------
$(OBJ_DIR_NATIVE)/%.o: %.c
	@mkdir -p $(dir $@)
	$(CC_NATIVE) $(CFLAGS_NATIVE) -c $< -o $@

$(OBJ_DIR_WASM)/%.o: %.c
	@mkdir -p $(dir $@)
	$(CC_WASM) $(CFLAGS_WASM) -c $< -o $@

# Clean build artifacts
# ---------------------
clean:
	$(RM) -r $(OBJ_DIR_NATIVE) $(OBJ_DIR_WASM) $(EXEC_NATIVE) $(EXEC_WASM)

# Install target (example)
# ------------------------
install: native
	install -d $(DESTDIR)/usr/local/bin
	install $(EXEC_NATIVE) $(DESTDIR)/usr/local/bin/