ede381c005
Todo: fluid-shared can't (yet) be built agains the shared fltk lib because of some linker errors. Needs investigation. Note: fluid-shared is basically a test program to demonstrate linking against the shared FLTK libs but doesn't work yet using VS (MSVC). This is no problem for the functionality.
102 lines
2.7 KiB
CMake
102 lines
2.7 KiB
CMake
#
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# PNG library CMake configuration for the Fast Light Toolkit (FLTK).
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#
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# Copyright 1998-2022 by Bill Spitzak and others.
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#
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# This library is free software. Distribution and use rights are outlined in
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# the file "COPYING" which should have been included with this file. If this
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# file is missing or damaged, see the license at:
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#
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# https://www.fltk.org/COPYING.php
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#
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# Please see the following page on how to report bugs and issues:
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#
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# https://www.fltk.org/bugs.php
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#
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# source files for png
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set(PNG_SRCS
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png.c
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pngerror.c
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pngget.c
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pngmem.c
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pngpread.c
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pngread.c
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pngrio.c
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pngrtran.c
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pngrutil.c
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pngset.c
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pngtrans.c
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pngwio.c
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pngwrite.c
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pngwtran.c
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pngwutil.c
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)
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#######################################################################
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# Build some files on ARM (e.g. Apple M1 systems)
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#######################################################################
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# We can only determine the target architecture if it is set
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# in CMAKE_OSX_ARCHITECTURES, otherwise we *assume* it is true and
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# compile these files even if this results in some warnings.
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# This includes all non-macOS platforms.
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if (CMAKE_OSX_ARCHITECTURES)
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string(REGEX MATCH "arm64" is_arm "${CMAKE_OSX_ARCHITECTURES}")
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else ()
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set (is_arm TRUE)
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endif ()
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if (is_arm)
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LIST (APPEND PNG_SRCS
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arm/arm_init.c
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arm/filter_neon_intrinsics.c
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arm/palette_neon_intrinsics.c
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)
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endif ()
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unset (is_arm)
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#######################################################################
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# Build some files on ppc64
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# We compile these files whatever the architecture resulting in void code
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# on non-ppc64 architectures.
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#######################################################################
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LIST (APPEND PNG_SRCS
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powerpc/powerpc_init.c
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powerpc/filter_vsx_intrinsics.c
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)
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#######################################################################
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# Build the static library
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#######################################################################
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FL_ADD_LIBRARY (fltk_png STATIC "${PNG_SRCS}")
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target_link_libraries (fltk_png ${FLTK_ZLIB_LIBRARIES})
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#######################################################################
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# Build the shared library (optional)
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#######################################################################
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if (OPTION_BUILD_SHARED_LIBS)
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FL_ADD_LIBRARY (fltk_png SHARED "${PNG_SRCS}")
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if (FLTK_USE_BUILTIN_ZLIB)
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target_link_libraries (fltk_png_SHARED fltk_z)
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else()
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target_link_libraries (fltk_png_SHARED ${FLTK_ZLIB_LIBRARIES})
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endif ()
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endif ()
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#######################################################################
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# Install the library headers
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#######################################################################
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install (FILES png.h pngconf.h pnglibconf.h pngprefix.h
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DESTINATION ${FLTK_INCLUDEDIR}/FL/images
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)
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