fltk/png/CMakeLists.txt
Albrecht Schlosser a484541d4b CMake: improve detection and configuration of image libs
Also: fix old (pre 3.13) link_directories() usage
2021-04-30 19:47:47 +02:00

71 lines
1.8 KiB
CMake

#
# PNG library CMake configuration for the Fast Light Toolkit (FLTK).
#
# Copyright 1998-2021 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
# build on ARM (Apple M1 systems)
arm/arm_init.c
arm/filter_neon_intrinsics.c
arm/palette_neon_intrinsics.c
)
#######################################################################
# Build the static library
#######################################################################
FL_ADD_LIBRARY (fltk_png STATIC "${PNG_SRCS}")
target_link_libraries (fltk_png ${FLTK_ZLIB_LIBRARIES})
#######################################################################
# Build the shared library (optional)
#######################################################################
if (OPTION_BUILD_SHARED_LIBS)
FL_ADD_LIBRARY (fltk_png SHARED "${PNG_SRCS}")
if (FLTK_USE_BUILTIN_ZLIB)
target_link_libraries (fltk_png_SHARED fltk_z_SHARED)
else()
target_link_libraries (fltk_png_SHARED ${FLTK_ZLIB_LIBRARIES})
endif ()
endif ()
#######################################################################
# Install the library headers
#######################################################################
install (FILES png.h pngconf.h pnglibconf.h
DESTINATION ${FLTK_INCLUDEDIR}/FL/images
)