Little-CMS/Makefile at main · Kittl/Little-CMS · GitHub

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SRC_DIR := src
INC_DIR := include
OUT_DIR := ts_lib

EMCC ?= emcc
BUILD ?= dev

ifeq ($(BUILD),release)
OUT_DIR := dist
EXTRA_FLAGS :=
else
OUT_DIR := ts_lib
EXTRA_FLAGS := --minify=0
endif

TARGET := $(OUT_DIR)/lcms.js
BROWSER_TARGET := $(OUT_DIR)/lcms.browser.js
NODE_TARGET := $(OUT_DIR)/lcms.node.js
SHARED_WASM := $(OUT_DIR)/lcms.wasm
BROWSER_WASM := $(OUT_DIR)/lcms.browser.wasm
NODE_WASM := $(OUT_DIR)/lcms.node.wasm

# ---- Sources ----
SOURCES := \
	cmsalpha.c \
	cmscam02.c \
	cmscgats.c \
	cmscnvrt.c \
	cmserr.c \
	cmsgamma.c \
	cmsgmt.c \
	cmshalf.c \
	cmsintrp.c \
	cmsio0.c \
	cmsio1.c \
	cmslut.c \
	cmsmd5.c \
	cmsmtrx.c \
	cmsnamed.c \
	cmsopt.c \
	cmsplugin.c \
	cmspack.c \
	cmspcs.c \
	cmsps2.c \
	cmssamp.c \
	cmssm.c \
	cmstypes.c \
	cmsvirt.c \
	cmswtpnt.c \
	cmsxform.c

SOURCES := $(addprefix $(SRC_DIR)/,$(SOURCES))

# ---- Exported symbols ----
EXPORTS := '[ \
"_cmsCreate_sRGBProfile", \
"_cmsCreateTransform", \
"_cmsDeleteTransform", \
"_cmsDoTransform", \
"_cmsOpenProfileFromMem", \
"_cmsCloseProfile", \
"_cmsGetProfileInfoASCII", \
"_cmsGetColorSpace", \
"_cmsSetLogErrorHandler", \
"_malloc", \
"_free" \
]'

# ---- Memory configuration ----
INITIAL_MEMORY := 16777216 # 16 MB
STACK_SIZE := 8388608 # 8 MB

# ---- Compiler flags ----
CFLAGS := \
	-std=c99 \
	-O2 \
	-g0 \
	-flto \
	-DHAVE_TIMESPEC_GET \
	-DCMS_NO_PTHREADS \
	-UHAVE_GMTIME_S \
	-UCMS_DONT_USE_SSE2 \
	-I$(INC_DIR)

# ---- Emscripten flags ----
EMFLAGS_COMMON := \
	${EXTRA_FLAGS} \
	-sWASM=1 \
	-sFILESYSTEM=0 \
	-sUSE_PTHREADS=0 \
	-sASSERTIONS=0 \
	-sINVOKE_RUN=0 \
	-sDISABLE_EXCEPTION_CATCHING=1 \
	-sMODULARIZE=1 \
	-sEXPORT_ES6=1 \
	-sALLOW_MEMORY_GROWTH=1 \
	-sINITIAL_MEMORY=$(INITIAL_MEMORY) \
	-sSTACK_SIZE=$(STACK_SIZE) \
	-sEXPORTED_FUNCTIONS=$(EXPORTS) \
	-sALLOW_TABLE_GROWTH \
	-sEXPORTED_RUNTIME_METHODS=HEAPU8,stackAlloc,stackSave,stackRestore,addFunction

EMFLAGS_UNIVERSAL := $(EMFLAGS_COMMON) -sENVIRONMENT=web,worker,node
EMFLAGS_BROWSER := $(EMFLAGS_COMMON) -sENVIRONMENT=web,worker
EMFLAGS_NODE := $(EMFLAGS_COMMON) -sENVIRONMENT=node

all: $(TARGET)

variants: $(BROWSER_TARGET) $(NODE_TARGET)
	@if cmp -s $(BROWSER_WASM) $(NODE_WASM); then \
		echo "Verified identical WASM binaries for browser/node variants"; \
	else \
		echo "Warning: browser/node WASM binaries differ; publishing browser binary as shared lcms.wasm"; \
	fi
	cp $(BROWSER_WASM) $(SHARED_WASM)
	sed -i 's/lcms\.browser\.wasm/lcms.wasm/g' $(BROWSER_TARGET)
	sed -i 's/lcms\.node\.wasm/lcms.wasm/g' $(NODE_TARGET)
	rm -f $(BROWSER_WASM) $(NODE_WASM)

$(TARGET): $(SOURCES)
	mkdir -p $(OUT_DIR)
	$(EMCC) $(CFLAGS) $(EMFLAGS_UNIVERSAL) $^ -o $@

$(BROWSER_TARGET): $(SOURCES)
	mkdir -p $(OUT_DIR)
	$(EMCC) $(CFLAGS) $(EMFLAGS_BROWSER) $^ -o $@

$(NODE_TARGET): $(SOURCES)
	mkdir -p $(OUT_DIR)
	$(EMCC) $(CFLAGS) $(EMFLAGS_NODE) $^ -o $@

clean:
	rm -f $(OUT_DIR)/lcms.js \
	      $(OUT_DIR)/lcms.browser.js \
	      $(OUT_DIR)/lcms.node.js \
	      $(OUT_DIR)/lcms.wasm \
	      $(OUT_DIR)/lcms.browser.wasm \
	      $(OUT_DIR)/lcms.node.wasm \
	      $(OUT_DIR)/lcms.js.map

.PHONY: all clean variants