#
# Stem for static libs and DLLs
#
LIBWEBPDECODER_BASENAME = libwebpdecoder
LIBWEBP_BASENAME = libwebp
LIBWEBPMUX_BASENAME = libwebpmux
LIBWEBPDEMUX_BASENAME = libwebpdemux

!IFNDEF ARCH
!IF ! [ cl 2>&1 | find "x86" > NUL ]
ARCH = x86
!ELSE IF ! [ cl 2>&1 | find "x64" > NUL ]
ARCH = x64
!ELSE IF ! [ cl 2>&1 | find "ARM" > NUL ]
ARCH = ARM
!ELSE
!ERROR Unable to auto-detect toolchain architecture! \
If cl.exe is in your PATH rerun nmake with ARCH=<arch>.
!ENDIF
!ENDIF

!IF "$(ARCH)" == "x86"
PLATFORM_LDFLAGS = /SAFESEH
!ENDIF

#############################################################
## Nothing more to do below this line!

NOLOGO     = /nologo
CCNODBG    = cl.exe $(NOLOGO) /O2 /DNDEBUG
CCDEBUG    = cl.exe $(NOLOGO) /Od /Gm /Zi /D_DEBUG /RTC1
CFLAGS     = /Isrc $(NOLOGO) /W3 /EHsc /c
CFLAGS     = $(CFLAGS) /DWIN32 /D_CRT_SECURE_NO_WARNINGS /DWIN32_LEAN_AND_MEAN
LDFLAGS    = /LARGEADDRESSAWARE /MANIFEST /NXCOMPAT /DYNAMICBASE
LDFLAGS    = $(LDFLAGS) $(PLATFORM_LDFLAGS)
LNKDLL     = link.exe /DLL $(NOLOGO)
LNKEXE     = link.exe $(NOLOGO)
LNKLIB     = lib.exe $(NOLOGO)
MT         = mt.exe $(NOLOGO)

!IF "$(ARCH)" == "ARM"
CFLAGS = $(CFLAGS) /DWINAPI_FAMILY=WINAPI_FAMILY_PHONE_APP
!ELSE
CFLAGS = $(CFLAGS) /DHAVE_WINCODEC_H /DWEBP_USE_THREAD
!ENDIF

CFGSET     = FALSE
!IF "$(OBJDIR)" == ""
OUTDIR = ..\obj\
!ELSE
OUTDIR = $(OBJDIR)
!ENDIF

!IF "$(HAVE_AVX2)" == "1"
CFLAGS = $(CFLAGS) /DWEBP_HAVE_AVX2
AVX2_FLAGS = /arch:AVX2
!ENDIF

##############################################################
# Runtime library configuration
!IF "$(RTLIBCFG)" == "static"
RTLIB  = /MT
RTLIBD = /MTd
!ELSE IF "$(RTLIBCFG)" == "legacy"
RTLIBCFG = static
RTLIB  = /MT
RTLIBD = /MTd
CFLAGS = $(CFLAGS) /GS- /arch:IA32
!ELSE
RTLIB   = /MD
RTLIBD  = /MDd
!ENDIF
DIRBASE = $(OUTDIR)\$(CFG)\$(ARCH)
DIROBJ = $(DIRBASE)\obj
DIRLIB = $(DIRBASE)\lib
DIRINC = $(DIRBASE)\include
DIRBIN = $(DIRBASE)\bin
LIBWEBP_PDBNAME = $(DIROBJ)\$(LIBWEBP_BASENAME).pdb
OUTPUT_DIRS = $(DIRBIN) $(DIRINC) $(DIRLIB) \
              $(DIROBJ)\dec \
              $(DIROBJ)\demux \
              $(DIROBJ)\dsp \
              $(DIROBJ)\enc \
              $(DIROBJ)\examples \
              $(DIROBJ)\mux \
              $(DIROBJ)\utils \

# Target configuration
!IF "$(CFG)" == "release-static"
CC             = $(CCNODBG)
STATICLIBBUILD = TRUE
!ELSE IF "$(CFG)" == "debug-static"
CC             = $(CCDEBUG)
RTLIB          = $(RTLIBD)
STATICLIBBUILD = TRUE
LIBWEBPDECODER_BASENAME = $(LIBWEBPDECODER_BASENAME)_debug
LIBWEBP_BASENAME = $(LIBWEBP_BASENAME)_debug
LIBWEBPMUX_BASENAME = $(LIBWEBPMUX_BASENAME)_debug
LIBWEBPDEMUX_BASENAME = $(LIBWEBPDEMUX_BASENAME)_debug
!ELSE IF "$(CFG)" == "release-dynamic"
CC        = $(CCNODBG)
DLLBUILD  = TRUE
!ELSE IF "$(CFG)" == "debug-dynamic"
CC        = $(CCDEBUG)
RTLIB     = $(RTLIBD)
DLLBUILD  = TRUE
LIBWEBPDECODER_BASENAME = $(LIBWEBPDECODER_BASENAME)_debug
LIBWEBP_BASENAME = $(LIBWEBP_BASENAME)_debug
LIBWEBPMUX_BASENAME = $(LIBWEBPMUX_BASENAME)_debug
LIBWEBPDEMUX_BASENAME = $(LIBWEBPDEMUX_BASENAME)_debug
!ENDIF

!IF "$(STATICLIBBUILD)" == "TRUE"
CC     = $(CC) $(RTLIB)
CFGSET = TRUE
LIBWEBPDECODER = $(DIRLIB)\$(LIBWEBPDECODER_BASENAME).lib
LIBWEBP = $(DIRLIB)\$(LIBWEBP_BASENAME).lib
LIBWEBPMUX = $(DIRLIB)\$(LIBWEBPMUX_BASENAME).lib
LIBWEBPDEMUX = $(DIRLIB)\$(LIBWEBPDEMUX_BASENAME).lib
!ELSE IF "$(DLLBUILD)" == "TRUE"
DLLC   = webp_dll.c
DLLINC = webp_dll.h
DLL_OBJS = $(DIROBJ)\$(DLLC:.c=.obj)
CC     = $(CC) /I$(DIROBJ) /FI$(DLLINC) $(RTLIB) /DWEBP_DLL
LIBWEBPDECODER = $(DIRLIB)\$(LIBWEBPDECODER_BASENAME)_dll.lib
LIBWEBP = $(DIRLIB)\$(LIBWEBP_BASENAME)_dll.lib
LIBWEBPMUX = $(DIRLIB)\$(LIBWEBPMUX_BASENAME)_dll.lib
LIBWEBPDEMUX = $(DIRLIB)\$(LIBWEBPDEMUX_BASENAME)_dll.lib
LIBWEBP_PDBNAME = $(DIROBJ)\$(LIBWEBP_BASENAME)_dll.pdb
CFGSET = TRUE
!ENDIF

#######################
# Usage
#
!IF "$(CFGSET)" == "FALSE"
!MESSAGE Usage: nmake /f Makefile.vc [CFG=<config>]
!MESSAGE .          [OBJDIR=<path>] [RTLIBCFG=<rtlib>] [<target>]
!MESSAGE
!MESSAGE where <config> is one of:
!MESSAGE -  release-static                - release static library
!MESSAGE -  debug-static                  - debug static library
!MESSAGE -  release-dynamic               - release dynamic link library (DLL)
!MESSAGE -  debug-dynamic                 - debug dynamic link library (DLL)
!MESSAGE
!MESSAGE <target> may be:
!MESSAGE -  clean                         - perform a clean for CFG
!MESSAGE -  experimental                  - build CFG with experimental
!MESSAGE .                                  features enabled.
!MESSAGE - (empty)                        - build libwebp-based targets for CFG
!MESSAGE - all                            - build (de)mux-based targets for CFG
!MESSAGE - gif2webp                       - requires libgif & >= VS2013
!MESSAGE
!MESSAGE RTLIBCFG controls the runtime library linkage - 'static' or 'dynamic'.
!MESSAGE   'legacy' will produce a Windows 2000 compatible library.
!MESSAGE OBJDIR is the path where you like to build (obj, bins, etc.),
!MESSAGE   defaults to ..\obj

!IF "$(CFG)" != ""
!MESSAGE
!ERROR please choose a valid configuration instead of "$(CFG)"
!ENDIF
!ENDIF

#######################
# Rules
#
!IF "$(CFGSET)" == "TRUE"
# A config was provided, so the library can be built.
#

DEC_OBJS = \
    $(DIROBJ)\dec\alpha.obj \
    $(DIROBJ)\dec\buffer.obj \
    $(DIROBJ)\dec\frame.obj \
    $(DIROBJ)\dec\idec.obj \
    $(DIROBJ)\dec\io.obj \
    $(DIROBJ)\dec\quant.obj \
    $(DIROBJ)\dec\tree.obj \
    $(DIROBJ)\dec\vp8.obj \
    $(DIROBJ)\dec\vp8l.obj \
    $(DIROBJ)\dec\webp.obj \

DEMUX_OBJS = \
    $(DIROBJ)\demux\demux.obj \

DSP_DEC_OBJS = \
    $(DIROBJ)\dsp\alpha_processing.obj \
    $(DIROBJ)\dsp\alpha_processing_mips_dsp_r2.obj \
    $(DIROBJ)\dsp\alpha_processing_sse2.obj \
    $(DIROBJ)\dsp\cpu.obj \
    $(DIROBJ)\dsp\dec.obj \
    $(DIROBJ)\dsp\dec_clip_tables.obj \
    $(DIROBJ)\dsp\dec_mips32.obj \
    $(DIROBJ)\dsp\dec_mips_dsp_r2.obj \
    $(DIROBJ)\dsp\dec_neon.obj \
    $(DIROBJ)\dsp\dec_sse2.obj \
    $(DIROBJ)\dsp\filters.obj \
    $(DIROBJ)\dsp\filters_mips_dsp_r2.obj \
    $(DIROBJ)\dsp\filters_sse2.obj \
    $(DIROBJ)\dsp\lossless.obj \
    $(DIROBJ)\dsp\lossless_mips32.obj \
    $(DIROBJ)\dsp\lossless_mips_dsp_r2.obj \
    $(DIROBJ)\dsp\lossless_neon.obj \
    $(DIROBJ)\dsp\lossless_sse2.obj \
    $(DIROBJ)\dsp\rescaler.obj \
    $(DIROBJ)\dsp\rescaler_mips32.obj \
    $(DIROBJ)\dsp\rescaler_mips_dsp_r2.obj \
    $(DIROBJ)\dsp\upsampling.obj \
    $(DIROBJ)\dsp\upsampling_mips_dsp_r2.obj \
    $(DIROBJ)\dsp\upsampling_neon.obj \
    $(DIROBJ)\dsp\upsampling_sse2.obj \
    $(DIROBJ)\dsp\yuv.obj \
    $(DIROBJ)\dsp\yuv_mips32.obj \
    $(DIROBJ)\dsp\yuv_mips_dsp_r2.obj \
    $(DIROBJ)\dsp\yuv_sse2.obj \

DSP_ENC_OBJS = \
    $(DIROBJ)\dsp\argb.obj \
    $(DIROBJ)\dsp\argb_mips_dsp_r2.obj \
    $(DIROBJ)\dsp\argb_sse2.obj \
    $(DIROBJ)\dsp\enc.obj \
    $(DIROBJ)\dsp\enc_avx2.obj \
    $(DIROBJ)\dsp\enc_mips32.obj \
    $(DIROBJ)\dsp\enc_mips_dsp_r2.obj \
    $(DIROBJ)\dsp\enc_neon.obj \
    $(DIROBJ)\dsp\enc_sse2.obj \

EX_FORMAT_DEC_OBJS = \
    $(DIROBJ)\examples\jpegdec.obj \
    $(DIROBJ)\examples\metadata.obj \
    $(DIROBJ)\examples\pngdec.obj \
    $(DIROBJ)\examples\tiffdec.obj \
    $(DIROBJ)\examples\webpdec.obj \
    $(DIROBJ)\examples\wicdec.obj \

EX_GIF_DEC_OBJS = \
    $(DIROBJ)\examples\gifdec.obj \

EX_UTIL_OBJS = \
    $(DIROBJ)\examples\example_util.obj \

ENC_OBJS = \
    $(DIROBJ)\enc\alpha.obj \
    $(DIROBJ)\enc\analysis.obj \
    $(DIROBJ)\enc\backward_references.obj \
    $(DIROBJ)\enc\config.obj \
    $(DIROBJ)\enc\cost.obj \
    $(DIROBJ)\enc\filter.obj \
    $(DIROBJ)\enc\frame.obj \
    $(DIROBJ)\enc\histogram.obj \
    $(DIROBJ)\enc\iterator.obj \
    $(DIROBJ)\enc\near_lossless.obj \
    $(DIROBJ)\enc\picture.obj \
    $(DIROBJ)\enc\picture_csp.obj \
    $(DIROBJ)\enc\picture_psnr.obj \
    $(DIROBJ)\enc\picture_rescale.obj \
    $(DIROBJ)\enc\picture_tools.obj \
    $(DIROBJ)\enc\quant.obj \
    $(DIROBJ)\enc\syntax.obj \
    $(DIROBJ)\enc\token.obj \
    $(DIROBJ)\enc\tree.obj \
    $(DIROBJ)\enc\vp8l.obj \
    $(DIROBJ)\enc\webpenc.obj \

MUX_OBJS = \
    $(DIROBJ)\mux\anim_encode.obj \
    $(DIROBJ)\mux\muxedit.obj \
    $(DIROBJ)\mux\muxinternal.obj \
    $(DIROBJ)\mux\muxread.obj \

UTILS_DEC_OBJS = \
    $(DIROBJ)\utils\bit_reader.obj \
    $(DIROBJ)\utils\color_cache.obj \
    $(DIROBJ)\utils\filters.obj \
    $(DIROBJ)\utils\huffman.obj \
    $(DIROBJ)\utils\quant_levels_dec.obj \
    $(DIROBJ)\utils\rescaler.obj \
    $(DIROBJ)\utils\random.obj \
    $(DIROBJ)\utils\thread.obj \
    $(DIROBJ)\utils\utils.obj \

UTILS_ENC_OBJS = \
    $(DIROBJ)\utils\bit_writer.obj \
    $(DIROBJ)\utils\huffman_encode.obj \
    $(DIROBJ)\utils\quant_levels.obj \

LIBWEBPDECODER_OBJS = $(DEC_OBJS) $(DSP_DEC_OBJS) $(UTILS_DEC_OBJS)
LIBWEBP_OBJS = $(LIBWEBPDECODER_OBJS) $(ENC_OBJS) $(DSP_ENC_OBJS) \
               $(UTILS_ENC_OBJS) $(DLL_OBJS)
LIBWEBPMUX_OBJS = $(MUX_OBJS) $(LIBWEBPMUX_OBJS)
LIBWEBPDEMUX_OBJS = $(DEMUX_OBJS) $(LIBWEBPDEMUX_OBJS)

OUT_LIBS = $(LIBWEBPDECODER) $(LIBWEBP)
!IF "$(ARCH)" == "ARM"
ex: $(OUT_LIBS)
all: ex
!ELSE
OUT_EXAMPLES = $(DIRBIN)\cwebp.exe $(DIRBIN)\dwebp.exe
EXTRA_EXAMPLES = $(DIRBIN)\vwebp.exe $(DIRBIN)\webpmux.exe

ex: $(OUT_LIBS) $(OUT_EXAMPLES)
all: ex $(EXTRA_EXAMPLES)
# NB: gif2webp.exe is excluded from 'all' as libgif requires C99 support which
# is only available from VS2013 onward.
gif2webp: $(DIRBIN)\gif2webp.exe

$(DIRBIN)\cwebp.exe: $(DIROBJ)\examples\cwebp.obj $(EX_FORMAT_DEC_OBJS)
$(DIRBIN)\dwebp.exe: $(DIROBJ)\examples\dwebp.obj
$(DIRBIN)\gif2webp.exe: $(DIROBJ)\examples\gif2webp.obj $(EX_GIF_DEC_OBJS)
$(DIRBIN)\gif2webp.exe: $(EX_UTIL_OBJS) $(LIBWEBPMUX) $(LIBWEBP)
$(DIRBIN)\vwebp.exe: $(DIROBJ)\examples\vwebp.obj
$(DIRBIN)\vwebp.exe: $(EX_UTIL_OBJS) $(LIBWEBPDEMUX) $(LIBWEBP)
$(DIRBIN)\webpmux.exe: $(DIROBJ)\examples\webpmux.obj $(LIBWEBPMUX)
$(DIRBIN)\webpmux.exe: $(EX_UTIL_OBJS) $(LIBWEBP)
$(OUT_EXAMPLES): $(EX_UTIL_OBJS) $(LIBWEBP)
$(EX_UTIL_OBJS) $(EX_FORMAT_DEC_OBJS): $(OUTPUT_DIRS)
!ENDIF  # ARCH == ARM

experimental:
	$(MAKE) /f Makefile.vc \
	    CFG=$(CFG) \
	    CFLAGS="$(CFLAGS) /DWEBP_EXPERIMENTAL_FEATURES" /$(MAKEFLAGS)

$(LIBWEBPDECODER): $(LIBWEBPDECODER_OBJS)
$(LIBWEBP): $(LIBWEBP_OBJS)
$(LIBWEBPMUX): $(LIBWEBPMUX_OBJS)
$(LIBWEBPDEMUX): $(LIBWEBPDEMUX_OBJS)

$(LIBWEBP_OBJS) $(LIBWEBPMUX_OBJS) $(LIBWEBPDEMUX_OBJS): $(OUTPUT_DIRS)

!IF "$(DLLBUILD)" == "TRUE"
$(LIBWEBP_OBJS) $(LIBWEBPMUX_OBJS) $(LIBWEBPDEMUX_OBJS): \
    $(DIROBJ)\$(DLLINC) $(DIROBJ)\$(DLLC)

{$(DIROBJ)}.c{$(DIROBJ)}.obj:
	$(CC) $(CFLAGS) /Fd$(LIBWEBP_PDBNAME) /Fo$@  $<

$(LIBWEBPMUX): $(LIBWEBP)
$(LIBWEBPDEMUX): $(LIBWEBP)

$(LIBWEBPDECODER) $(LIBWEBP) $(LIBWEBPMUX) $(LIBWEBPDEMUX):
	$(LNKDLL) /out:$(DIRBIN)\$(@B:_dll=.dll) /implib:$@ $(LFLAGS) $**
	-xcopy $(DIROBJ)\*.pdb $(DIRLIB) /y

clean::
	@-erase /s $(DIROBJ)\$(DLLC) $(DIROBJ)\$(DLLINC) 2> NUL
!ELSE
$(LIBWEBPDECODER) $(LIBWEBP) $(LIBWEBPMUX) $(LIBWEBPDEMUX):
	$(LNKLIB) /out:$@ $**
	-xcopy $(DIROBJ)\*.pdb $(DIRLIB) /y
!ENDIF

$(OUTPUT_DIRS):
	@if not exist "$(@)" mkdir "$(@)"

# generate a helper include to define WEBP_EXTERN suitable for the DLL build
$(DIROBJ)\$(DLLINC):
	@echo #ifndef WEBP_DLL_H_ > $@
	@echo #define WEBP_DLL_H_ >> $@
	@echo #define WEBP_EXTERN(type) __declspec(dllexport) type >> $@
	@echo #endif  /* WEBP_DLL_H_ */ >> $@

# expose a WebPFree() function for use in managed code
$(DIROBJ)\$(DLLC): $(DIROBJ)\$(DLLINC)
	@echo #include ^<stdlib.h^> > $@
	@echo #include "webp_dll.h" >> $@
	@echo // This function should be used in place of free() for memory >> $@
	@echo // returned by the WebP API. >> $@
	@echo WEBP_EXTERN(void) WebPFree(void* ptr) { >> $@
	@echo   free(ptr); >> $@
	@echo } >> $@

.SUFFIXES: .c .obj .res .exe
# File-specific flag builds. Note batch rules take precedence over wildcards,
# so for now name each file individually.
$(DIROBJ)\dsp\enc_avx2.obj: src\dsp\enc_avx2.c
	$(CC) $(CFLAGS) $(AVX2_FLAGS) /Fd$(LIBWEBP_PDBNAME) /Fo$(DIROBJ)\dsp\ \
	  src\dsp\$(@B).c
$(DIROBJ)\examples\gif2webp.obj: examples\gif2webp.c
	$(CC) $(CFLAGS) /DWEBP_HAVE_GIF /Fd$(LIBWEBP_PDBNAME) \
	  /Fo$(DIROBJ)\examples\ examples\$(@B).c
# Batch rules
{examples}.c{$(DIROBJ)\examples}.obj::
	$(CC) $(CFLAGS) /Fd$(DIROBJ)\examples\ /Fo$(DIROBJ)\examples\ $<
{src\dec}.c{$(DIROBJ)\dec}.obj::
	$(CC) $(CFLAGS) /Fd$(LIBWEBP_PDBNAME) /Fo$(DIROBJ)\dec\ $<
{src\demux}.c{$(DIROBJ)\demux}.obj::
	$(CC) $(CFLAGS) /Fd$(LIBWEBP_PDBNAME) /Fo$(DIROBJ)\demux\ $<
{src\dsp}.c{$(DIROBJ)\dsp}.obj::
	$(CC) $(CFLAGS) /Fd$(LIBWEBP_PDBNAME) /Fo$(DIROBJ)\dsp\ $<
{src\enc}.c{$(DIROBJ)\enc}.obj::
	$(CC) $(CFLAGS) /Fd$(LIBWEBP_PDBNAME) /Fo$(DIROBJ)\enc\ $<
{src\mux}.c{$(DIROBJ)\mux}.obj::
	$(CC) $(CFLAGS) /Fd$(LIBWEBP_PDBNAME) /Fo$(DIROBJ)\mux\ $<
{src\utils}.c{$(DIROBJ)\utils}.obj::
	$(CC) $(CFLAGS) /Fd$(LIBWEBP_PDBNAME) /Fo$(DIROBJ)\utils\ $<

{$(DIROBJ)\examples}.obj{$(DIRBIN)}.exe:
	$(LNKEXE) $(LDFLAGS) /OUT:$@ $** \
	    ole32.lib windowscodecs.lib shlwapi.lib
	$(MT) -manifest $@.manifest -outputresource:$@;1
	del $@.manifest

clean::
	@-erase /s $(DIROBJ)\*.dll 2> NUL
	@-erase /s $(DIROBJ)\*.exp 2> NUL
	@-erase /s $(DIROBJ)\*.idb 2> NUL
	@-erase /s $(DIROBJ)\*.lib 2> NUL
	@-erase /s $(DIROBJ)\*.obj 2> NUL
	@-erase /s $(DIROBJ)\*.pch 2> NUL
	@-erase /s $(DIROBJ)\*.pdb 2> NUL
	@-erase /s $(DIROBJ)\*.res 2> NUL

!ENDIF  # End of case where a config was provided.