kc3-lang/libpng/scripts/makefile.msys

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.msys

• # makefile for libpng using MSYS/gcc (shared, static library)
  # Copyright (C) 2000, 2019-2025 Cosmin Truta
  # Copyright (C) 2012 Glenn Randers-Pehrson and Christopher M. Wheeler
  #
  # Portions taken from makefile.linux and makefile.gcc:
  # Copyright (C) 2000 Cosmin Truta
  # Copyright (C) 1998, 1999, 2002, 2006, 2008, 2010-2014 Greg Roelofs and
  # Glenn Randers-Pehrson
  # Copyright (C) 1996, 1997 Andreas Dilger
  # 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
  
  # Library name:
  LIBNAME=libpng16
  PNGMAJ=16
  
  # Shared library names:
  LIBSO=$(LIBNAME).dll
  LIBSOMAJ=$(LIBNAME).dll.$(PNGMAJ)
  
  # Compiler, linker, lib and other tools
  CC = gcc
  LD = $(CC)
  AR = ar
  RANLIB = ranlib
  CP = cp
  RM_F = rm -f
  LN_SF = ln -sf
  
  # Compiler and linker flags
  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
  STDC = -pedantic-errors
  WARN = -Wall -Wextra -Wundef
  WARNMORE = -Wcast-align -Wconversion -Wshadow -Wpointer-arith -Wwrite-strings \
             -Wmissing-declarations -Wmissing-prototypes -Wstrict-prototypes
  LOCAL_CPPFLAGS = $(NOHWOPT)
  CPPFLAGS = # -DPNG_DEBUG=5
  ALL_CPPFLAGS = $(LOCAL_CPPFLAGS) $(CPPFLAGS)
  LOCAL_CFLAGS = $(STDC) $(WARN) # $(WARNMORE)
  CFLAGS = -O2 # -g
  ALL_CFLAGS = $(LOCAL_CFLAGS) $(CFLAGS)
  ARFLAGS = rc
  LDFLAGS = # -g
  LIBS = -lz -lm
  
  # File extensions
  EXEEXT = .exe
  
  # 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 shared
  
  pnglibconf.h: $(PNGLIBCONF_H_PREBUILT)
  	$(CP) $(PNGLIBCONF_H_PREBUILT) $@
  
  .c.o:
  	$(CC) -c $(ALL_CPPFLAGS) $(ALL_CFLAGS) -o $@ $*.c
  
  static: libpng.a pngtest$(EXEEXT)
  
  shared: $(LIBSOMAJ)
  	$(CC) -shared -Wl,-soname,$(LIBSOMAJ) -o $(LIBSO)
  
  $(LIBSO): $(LIBSOMAJ)
  	$(LN_SF) $(LIBSOMAJ) $(LIBSO)
  
  $(LIBSOMAJ):
  	$(CC) -shared -Wl,-soname,$(LIBSOMAJ) -o $(LIBSOMAJ)
  
  libpng.a: $(OBJS)
  	$(AR) $(ARFLAGS) $@ $(OBJS)
  	$(RANLIB) $@
  
  install:
  	@echo "The $@ target is no longer supported by this makefile."
  	@false
  
  install-static:
  	@echo "The $@ target is no longer supported by this makefile."
  	@false
  
  install-shared:
  	@echo "The $@ target is no longer supported by this makefile."
  	@false
  
  test: pngtest$(EXEEXT)
  	./pngtest$(EXEEXT)
  
  pngtest$(EXEEXT): pngtest.o libpng.a
  	$(LD) $(LDFLAGS) -o $@ pngtest.o libpng.a $(LIBS)
  
  clean:
  	$(RM_F) $(OBJS) libpng.a
  	$(RM_F) $(LIBSO) $(LIBSOMAJ) pnglibconf.h
  	$(RM_F) pngtest*.o pngtest$(EXEEXT) pngout.png
  
  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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