| # makefile for libpng using emscripten |
| # Copyright (C) 2000, 2014, 2019-2024 Cosmin Truta |
| # Copyright (C) 2021 Kirk Roerig |
| # Copyright (C) 2008, 2014 Glenn Randers-Pehrson |
| # Copyright (C) 1995 Guy Eric Schalnat, Group 42, Inc. |
| # |
| # This code is released under the libpng license. |
| # For conditions of distribution and use, see the disclaimer |
| # and license in png.h |
| |
| # Location of the zlib library and include files |
| ZLIBINC = ../zlib |
| ZLIBLIB = ../zlib |
| |
| # Compiler, linker, lib and other tools |
| CC = emcc |
| LD = $(CC) |
| AR = emar |
| RANLIB = emranlib |
| CP = cp |
| RM_F = rm -f |
| |
| CPPFLAGS = -I$(ZLIBINC) # -DPNG_DEBUG=5 |
| CFLAGS = -O2 -Wall -Wextra -Wundef |
| ARFLAGS = rc |
| LDFLAGS = -L$(ZLIBLIB) |
| PNGTEST_LDFLAGS = --preload-file=pngtest.png |
| LIBS = -lz -lm |
| |
| # Pre-built configuration |
| # See scripts/pnglibconf.mak for more options |
| PNGLIBCONF_H_PREBUILT = scripts/pnglibconf.h.prebuilt |
| |
| # File lists |
| OBJS = png.o pngerror.o pngget.o pngmem.o pngpread.o \ |
| pngread.o pngrio.o pngrtran.o pngrutil.o pngset.o \ |
| pngtrans.o pngwio.o pngwrite.o pngwtran.o pngwutil.o |
| |
| # Targets |
| all: static |
| |
| pnglibconf.h: $(PNGLIBCONF_H_PREBUILT) |
| $(CP) $(PNGLIBCONF_H_PREBUILT) $@ |
| |
| .c.o: |
| $(CC) -c $(CPPFLAGS) $(CFLAGS) -o $@ $< |
| |
| static: libpng.a pngtest |
| |
| shared: |
| @echo This makefile cannot create shared libraries. |
| @false |
| |
| libpng.a: $(OBJS) |
| $(AR) $(ARFLAGS) $@ $(OBJS) |
| $(RANLIB) $@ |
| |
| test: pngtest |
| node ./pngtest |
| |
| pngtest: pngtest.o libpng.a |
| $(LD) $(LDFLAGS) $(PNGTEST_LDFLAGS) -o $@ pngtest.o libpng.a $(LIBS) |
| |
| clean: |
| $(RM_F) *.o libpng.a pngtest pngout.png pnglibconf.h |
| $(RM_F) pngtest.data pngtest.wasm |
| |
| png.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h |
| pngerror.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h |
| pngget.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h |
| pngmem.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h |
| pngpread.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h |
| pngread.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h |
| pngrio.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h |
| pngrtran.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h |
| pngrutil.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h |
| pngset.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h |
| pngtrans.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h |
| pngwio.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h |
| pngwrite.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h |
| pngwtran.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h |
| pngwutil.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h |
| |
| pngtest.o: png.h pngconf.h pnglibconf.h |