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update libpng

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update libpng, the repo now requires a vcpkg setup for integrating but skipping the install step should allow it to work for windows an linux, mac might need more
This commit is contained in:
marauder2k7 2025-12-31 20:11:14 +00:00
parent c593d860a0
commit 5d644b4ffb
300 changed files with 25573 additions and 17698 deletions
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36
Engine/lib/lpng/scripts/makefile.gcc
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@ -1,6 +1,6 @@
# makefile for libpng using gcc (generic, static library)
# Copyright (C) 2000, 2014, 2019-2025 Cosmin Truta
# 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.
@ -14,17 +14,27 @@ ZLIBLIB = ../zlib
# Compiler, linker, lib and other tools
CC = gcc
LD = $(CC)
AR_RC = ar rcs
AR = ar
RANLIB = ranlib
CP = cp
RM_F = rm -f
WARNMORE = -Wwrite-strings -Wpointer-arith -Wshadow \
-Wmissing-declarations -Wtraditional -Wcast-align \
-Wstrict-prototypes -Wmissing-prototypes # -Wconversion
# 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 # -std=c99
WARN = -Wall -Wextra -Wundef
WARNMORE = -Wcast-align -Wconversion -Wshadow -Wpointer-arith -Wwrite-strings \
-Wmissing-declarations -Wmissing-prototypes -Wstrict-prototypes
LOCAL_CPPFLAGS = $(NOHWOPT)
CPPFLAGS = -I$(ZLIBINC) # -DPNG_DEBUG=5
CFLAGS = -W -Wall -O2 # $(WARNMORE) -g
LDFLAGS = -L$(ZLIBLIB)
ALL_CPPFLAGS = $(LOCAL_CPPFLAGS) $(CPPFLAGS)
LOCAL_CFLAGS = $(STDC) $(WARN) # $(WARNMORE)
CFLAGS = -O2 # -g
ALL_CFLAGS = $(LOCAL_CFLAGS) $(CFLAGS)
ARFLAGS = rc
LDFLAGS = -L$(ZLIBLIB) # -g
LIBS = -lz -lm
# File extensions
@ -34,10 +44,10 @@ EXEEXT =
# 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
@ -46,7 +56,7 @@ pnglibconf.h: $(PNGLIBCONF_H_PREBUILT)
$(CP) $(PNGLIBCONF_H_PREBUILT) $@
.c.o:
$(CC) -c $(CPPFLAGS) $(CFLAGS) -o $@ $<
$(CC) -c $(ALL_CPPFLAGS) $(ALL_CFLAGS) -o $@ $*.c
static: libpng.a pngtest$(EXEEXT)
@ -56,7 +66,7 @@ shared:
@false
libpng.a: $(OBJS)
$(AR_RC) $@ $(OBJS)
$(AR) $(ARFLAGS) $@ $(OBJS)
$(RANLIB) $@
test: pngtest$(EXEEXT)