Makefile

# ============================================================
# Makefile for s3ctl - S3 ViRGE Runtime Control Utility
# Open Watcom 1.9 / 2.0
#
# Targets:
#   wmake           Build s3ctl.exe (default)
#   wmake clean     Remove build artifacts
#   wmake rebuild   Clean then build
# ============================================================

# ---- Tools --------------------------------------------------

CC      = wcc
LINKER  = wlink

# ---- Output -------------------------------------------------

TARGET  = s3ctl.exe
OBJ     = s3ctl.obj

# ---- Compiler flags -----------------------------------------
#
# -bt=dos       Target: 16-bit real mode DOS
# -ms           Memory model: small
# -os           Optimize for size
# -s            Disable stack overflow checks
# -wx           Maximum warnings
# -zq           Quiet mode

CFLAGS  = -bt=dos -ms -os -s -wx -zq

# ============================================================
# Default target
# ============================================================

all: $(TARGET)

# Step 1: Compile to object file
$(OBJ): s3ctl.c
	$(CC) $(CFLAGS) s3ctl.c

# Step 2: Link with explicit DOS system target
# 'system dos' is the critical directive that produces a proper
# DOS MZ executable rather than a Windows NE executable.
$(TARGET): $(OBJ)
	$(LINKER) system dos name $(TARGET) file $(OBJ) library clibs.lib
	@echo.
	@echo Build complete: $(TARGET)
	@echo.

# ============================================================
# Clean
# ============================================================

clean:
	@if exist *.obj  del *.obj
	@if exist *.err  del *.err
	@if exist $(TARGET) del $(TARGET)
	@echo Cleaned.

# ============================================================
# Rebuild
# ============================================================

rebuild: clean all

# ============================================================
# Help
# ============================================================

help:
	@echo.
	@echo   wmake            Build $(TARGET)
	@echo   wmake clean      Remove build artifacts
	@echo   wmake rebuild    Clean then build
	@echo   wmake help       Show this message
	@echo.