kc3-lang/libpng/scripts/makefile.std

Branch - branch -libpng16libpng17

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• Hash : ffb8e8b2
  Author :
  Date : 2025-03-11T13:07:00
  

  Fix and improve the RISC-V Vector (RVV) implementation
  
  Changes include manually merged code from Manfred SCHLAEGL.
  
  Co-authored-by: Manfred SCHLAEGL <manfred.schlaegl@gmx.at>
  Signed-off-by: Cosmin Truta <ctruta@gmail.com>
  

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• scripts/makefile.std

• # makefile for libpng
  # Copyright (C) 2015, 2018-2025 Cosmin Truta
  # Copyright (C) 2002, 2006, 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
  
  # Where the zlib library and include files are located
  #ZLIBLIB=/usr/local/lib
  #ZLIBINC=/usr/local/include
  ZLIBLIB=../zlib
  ZLIBINC=../zlib
  
  CC = cc
  CPP = $(CC) -E
  LD = $(CC)
  AR = ar
  RANLIB = ranlib
  MV_F = mv -f
  RM_F = rm -f
  AWK = awk
  
  NOHWOPT = -DPNG_ARM_NEON_OPT=0 -DPNG_MIPS_MSA_OPT=0 \
            -DPNG_POWERPC_VSX_OPT=0 -DPNG_INTEL_SSE_OPT=0 \
            -DPNG_RISCV_RVV_OPT=0
  DFNFLAGS = # DFNFLAGS contains -D options to use in the libpng build
  DFA_EXTRA = # extra files that can be used to control configuration
  CPPFLAGS = -I$(ZLIBINC) $(NOHWOPT) # -DPNG_DEBUG=5
  CFLAGS = -O # -g
  ARFLAGS = rc
  LDFLAGS = -L$(ZLIBLIB) # -g
  LIBS = -lz -lm
  
  # Pre-built configuration
  # See scripts/pnglibconf.mak for more options
  PNGLIBCONF_H_PREBUILT = scripts/pnglibconf.h.prebuilt
  
  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
  
  .c.o:
  	$(CC) -c $(CPPFLAGS) $(CFLAGS) -o $@ $*.c
  
  all: libpng.a pngtest
  
  # The standard pnglibconf.h exists as scripts/pnglibconf.h.prebuilt,
  # copy this if the following doesn't work.
  pnglibconf.h: pnglibconf.dfn
  	$(RM_F) $@ pnglibconf.c pnglibconf.out pnglibconf.tmp
  	echo '#include "pnglibconf.dfn"' >pnglibconf.c
  	@echo "## If '$(CC) -E' fails, try /lib/cpp (e.g. CPP='/lib/cpp')" >&2
  	$(CPP) $(DFNFLAGS) pnglibconf.c >pnglibconf.out
  	$(AWK) -f scripts/dfn.awk out=pnglibconf.tmp pnglibconf.out >&2
  	$(MV_F) pnglibconf.tmp $@
  
  pnglibconf.dfn: scripts/pnglibconf.dfa scripts/options.awk pngconf.h pngusr.dfa $(DFA_XTRA)
  	$(RM_F) $@ pnglibconf.pre pnglibconf.tmp
  	@echo "## Calling $(AWK) from scripts/pnglibconf.mak" >&2
  	@echo "## If 'awk' fails, try a better awk (e.g. AWK='nawk')" >&2
  	$(AWK) -f scripts/options.awk out=pnglibconf.pre\
  	    version=search pngconf.h scripts/pnglibconf.dfa\
  	    pngusr.dfa $(DFA_XTRA) >&2
  	$(AWK) -f scripts/options.awk out=pnglibconf.tmp pnglibconf.pre >&2
  	$(MV_F) pnglibconf.tmp $@
  
  libpng.a: $(OBJS)
  	$(AR) $(ARFLAGS) $@ $(OBJS)
  	$(RANLIB) $@
  
  pngtest: pngtest.o libpng.a
  	$(LD) $(LDFLAGS) -o $@ pngtest.o libpng.a $(LIBS)
  
  test: pngtest
  	./pngtest
  
  install:
  	@echo "The $@ target is no longer supported by this makefile."
  	@false
  
  clean:
  	$(RM_F) *.o libpng.a pngtest pngout.png pnglibconf.h
  	$(RM_F) pnglibconf.c pnglibconf.dfn pnglibconf.out pnglibconf.pre
  
  # DO NOT DELETE THIS LINE -- make depend depends on it.
  
  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
  

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