Branch
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>
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105
# 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