Imported Upstream version 1.6.39

[platform/upstream/libpng.git] / scripts / makefile.emcc

diff --git a/scripts/makefile.gcc-asan b/scripts/makefile.emcc
similarity index 68%
rename from scripts/makefile.gcc-asan
rename to scripts/makefile.emcc
index aae55d6..5d27621 100644 (file)
--- a/scripts/makefile.gcc-asan
+++ b/scripts/makefile.emcc
@@ -1,6 +1,7 @@
-# makefile for libpng using gcc + address sanitizer (generic, static library)
+# makefile for libpng using emscripten
+# Copyright (C) 2000, 2014, 2019-2022 Cosmin Truta
+# Copyright (C) 2021 Kirk Roerig
 # Copyright (C) 2008, 2014 Glenn Randers-Pehrson
-# Copyright (C) 2000, 2014, 2019 Cosmin Truta
 # Copyright (C) 1995 Guy Eric Schalnat, Group 42, Inc.
 #
 # This code is released under the libpng license.
@@ -12,32 +13,27 @@ ZLIBINC = ../zlib
 ZLIBLIB = ../zlib
 
 # Compiler, linker, lib and other tools
-CC = gcc
+CC = emcc
 LD = $(CC)
-AR_RC = ar rcs
-RANLIB = ranlib
+AR_RC = emar rcs
+RANLIB = emranlib
 CP = cp
 RM_F = rm -f
 
-WARNMORE = -Wwrite-strings -Wpointer-arith -Wshadow \
-       -Wmissing-declarations -Wtraditional -Wcast-align \
-       -Wstrict-prototypes -Wmissing-prototypes # -Wconversion
 CPPFLAGS = -I$(ZLIBINC) # -DPNG_DEBUG=5
-CFLAGS = -W -Wall -O0 -g -fsanitize=address
-LDFLAGS = -L$(ZLIBLIB) -g -fsanitize=address
+CFLAGS = -O2 -Wall -Wextra -Wundef
+LDFLAGS = -L$(ZLIBLIB)
+PNGTEST_LDFLAGS = --preload-file=pngtest.png
 LIBS = -lz -lm
 
-# File extensions
-EXEEXT =
-
 # Pre-built configuration
 # See scripts/pnglibconf.mak for more options
 PNGLIBCONF_H_PREBUILT = scripts/pnglibconf.h.prebuilt
 
-# Variables
-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
+# 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
@@ -48,25 +44,25 @@ pnglibconf.h: $(PNGLIBCONF_H_PREBUILT)
 .c.o:
        $(CC) -c $(CPPFLAGS) $(CFLAGS) -o $@ $<
 
-static: libpng.a pngtest$(EXEEXT)
+static: libpng.a pngtest
 
 shared:
-       @echo This is a generic makefile that cannot create shared libraries.
-       @echo Please use a configuration that is specific to your platform.
+       @echo This makefile cannot create shared libraries.
        @false
 
 libpng.a: $(OBJS)
        $(AR_RC) $@ $(OBJS)
        $(RANLIB) $@
 
-test: pngtest$(EXEEXT)
-       ./pngtest$(EXEEXT)
+test: pngtest
+       node ./pngtest
 
-pngtest$(EXEEXT): pngtest.o libpng.a
-       $(LD) $(LDFLAGS) -o $@ pngtest.o libpng.a $(LIBS)
+pngtest: pngtest.o libpng.a
+       $(LD) $(LDFLAGS) $(PNGTEST_LDFLAGS) -o $@ pngtest.o libpng.a $(LIBS)
 
 clean:
-       $(RM_F) *.o libpng.a pngtest$(EXEEXT) pngout.png pnglibconf.h
+       $(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