# Makefile for MSVC x64 Command Line Developer Tools
#
#     nmake /f Makefile.msvc check
#     nmake /f Makefile.msvc MODE=debug check
#
# Note: MSVC 2019 makes the DLL 64kb smaller than MSVC 2022.

# Compiler and linker
CC=cl
LINK=link

# Build mode (can be overridden from command line)
!IFNDEF MODE
MODE=release
!ENDIF

# Library dependencies.
TEST_LIBS=OneCore.lib

# Compiler flags
CFLAGS_COMMON=/nologo /W4 /Gy /EHsc
CFLAGS_DEBUG=/Od /Zi /MDd /D_DEBUG
CFLAGS_RELEASE=/O2 /MT /DNDEBUG

!IF "$(MODE)"=="debug"
CFLAGS=$(CFLAGS_COMMON) $(CFLAGS_DEBUG)
LDFLAGS=/DEBUG
OUT_DIR=Debug
!ELSE
CFLAGS=$(CFLAGS_COMMON) $(CFLAGS_RELEASE) /GL
LDFLAGS=/RELEASE /OPT:REF /OPT:ICF /LTCG /INCREMENTAL:NO
OUT_DIR=Release
!ENDIF

# Additional flags for DLL
DLL_CFLAGS=$(CFLAGS) /D_USRDLL /D_WINDLL

# Linker flags
LDFLAGS=/NOLOGO /SUBSYSTEM:CONSOLE $(LDFLAGS)

# Output file names
DLL_TARGET=$(OUT_DIR)\cosmoaudio.dll
TEST_TARGET=$(OUT_DIR)\test.exe

# Source files
DLL_SOURCES=cosmoaudio.c
TEST_SOURCES=test.c

# Object files
DLL_OBJECTS=$(OUT_DIR)\cosmoaudio.obj
TEST_OBJECTS=$(OUT_DIR)\test.obj

# Default target
all: $(OUT_DIR) $(DLL_TARGET) $(TEST_TARGET)

# Create output directory
$(OUT_DIR):
    if not exist $(OUT_DIR) mkdir $(OUT_DIR)

# Rule to build the DLL
$(DLL_TARGET): $(OUT_DIR) $(DLL_OBJECTS)
    $(LINK) /DLL $(LDFLAGS) /OUT:$(DLL_TARGET) $(DLL_OBJECTS)

# Rule to build the test program
$(TEST_TARGET): $(OUT_DIR) $(TEST_OBJECTS) $(DLL_TARGET)
    $(LINK) $(LDFLAGS) /OUT:$(TEST_TARGET) $(TEST_OBJECTS) $(DLL_TARGET:.dll=.lib) $(TEST_LIBS)

# Rules to compile .c files to .obj files with header dependencies
{.}.c{$(OUT_DIR)}.obj:
    $(CC) $(DLL_CFLAGS) /c /Fo$(OUT_DIR)\ $<

$(OUT_DIR)\test.obj: $(OUT_DIR) test.c cosmoaudio.h
    $(CC) $(CFLAGS) /c /Fo$(OUT_DIR)\ test.c

$(OUT_DIR)\cosmoaudio.obj: $(OUT_DIR) cosmoaudio.c miniaudio.h cosmoaudio.h
    $(CC) $(DLL_CFLAGS) /c /Fo$(OUT_DIR)\ cosmoaudio.c

# Clean target
clean:
    if exist $(OUT_DIR) rmdir /s /q $(OUT_DIR)

# Run tests (now called 'check')
check: $(TEST_TARGET)
    $(TEST_TARGET)

# Phony targets
.PHONY: all clean check