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#
# PNG library CMake configuration for the Fast Light Toolkit (FLTK).
#
# Copyright 1998-2020 by Bill Spitzak and others.
#
# This library is free software. Distribution and use rights are outlined in
# the file "COPYING" which should have been included with this file. If this
# file is missing or damaged, see the license at:
#
# https://www.fltk.org/COPYING.php
#
# Please see the following page on how to report bugs and issues:
#
# https://www.fltk.org/bugs.php
#
# source files for png
set(PNG_SRCS
png.c
pngerror.c
pngget.c
pngmem.c
pngpread.c
pngread.c
pngrio.c
pngrtran.c
pngrutil.c
pngset.c
pngtrans.c
pngwio.c
pngwrite.c
pngwtran.c
pngwutil.c
arm/arm_init.c
arm/filter_neon_intrinsics.c
arm/palette_neon_intrinsics.c
)
#######################################################################
FL_ADD_LIBRARY(fltk_png STATIC "${PNG_SRCS}")
# install the png headers
install(FILES png.h;pngconf.h;pnglibconf.h
DESTINATION ${FLTK_INCLUDEDIR}/FL/images
)
if(OPTION_USE_SYSTEM_ZLIB)
target_link_libraries(fltk_png ${FLTK_ZLIB_LIBRARIES})
else()
target_link_libraries(fltk_png fltk_z)
endif(OPTION_USE_SYSTEM_ZLIB)
#######################################################################
if(OPTION_BUILD_SHARED_LIBS)
#######################################################################
FL_ADD_LIBRARY(fltk_png SHARED "${PNG_SRCS}")
if(OPTION_USE_SYSTEM_ZLIB)
target_link_libraries(fltk_png_SHARED ${FLTK_ZLIB_LIBRARIES})
else()
target_link_libraries(fltk_png_SHARED fltk_z_SHARED)
endif(OPTION_USE_SYSTEM_ZLIB)
#######################################################################
endif(OPTION_BUILD_SHARED_LIBS)
#######################################################################
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