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#
# JPEG library CMake configuration for the Fast Light Toolkit (FLTK).
#
# Copyright 1998-2024 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
#
# memmgr back ends: compile only one of these into a working library
# (For now, let's use the mode that requires the image fit into memory.
# This is the recommended mode for Win32 anyway.)
set(systemdependent_SRCS jmemnobs.c)
# library object files common to compression and decompression
set(common_SRCS
jaricom.c jcomapi.c jutils.c jerror.c jmemmgr.c
)
# compression library object files
set(compression_SRCS
jcapimin.c jcapistd.c jcarith.c jctrans.c jcparam.c jdatadst.c jcinit.c
jcmaster.c jcmarker.c jcmainct.c jcprepct.c jccoefct.c jccolor.c
jcsample.c jchuff.c jcdctmgr.c jfdctfst.c jfdctflt.c
jfdctint.c
)
# decompression library object files
set(decompression_SRCS
jdapimin.c jdapistd.c jdarith.c jdtrans.c jdatasrc.c jdmaster.c
jdinput.c jdmarker.c jdhuff.c jdmainct.c jdcoefct.c
jdpostct.c jddctmgr.c jidctfst.c jidctflt.c jidctint.c
jdsample.c jdcolor.c jquant1.c jquant2.c jdmerge.c
)
list(APPEND BUILD_SRCS "${systemdependent_SRCS};${common_SRCS}")
list(APPEND BUILD_SRCS "${compression_SRCS};${decompression_SRCS}")
#######################################################################
# Set common variables for static and shared builds
#######################################################################
set(_include_dirs
$<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}>
$<INSTALL_INTERFACE:include>
)
# Suppress Visual Studio compiler warnings
set(msvc_warnings /wd4267)
#######################################################################
# Build the static library
#######################################################################
fl_add_library(fltk_jpeg STATIC "${BUILD_SRCS}")
set(target fltk_jpeg)
target_include_directories(${target} PUBLIC ${_include_dirs})
if(MSVC)
target_compile_options(${target} PRIVATE ${msvc_warnings})
endif(MSVC)
list(APPEND FLTK_IMAGE_LIBRARIES fltk::jpeg)
# Propagate to parent scope (modified by fl_add_library and here)
set(FLTK_LIBRARIES ${FLTK_LIBRARIES} PARENT_SCOPE)
set(FLTK_IMAGE_LIBRARIES ${FLTK_IMAGE_LIBRARIES} PARENT_SCOPE)
#######################################################################
# Build the shared library (optional)
#######################################################################
if(FLTK_BUILD_SHARED_LIBS)
# ensure to export all symbols for Windows DLL's
set(CMAKE_WINDOWS_EXPORT_ALL_SYMBOLS TRUE)
fl_add_library(fltk_jpeg SHARED "${BUILD_SRCS}")
set(target fltk_jpeg-shared)
target_include_directories(${target} PUBLIC ${_include_dirs})
if(MSVC)
target_compile_options(${target} PRIVATE ${msvc_warnings})
endif(MSVC)
list(APPEND FLTK_IMAGE_LIBRARIES_SHARED fltk::jpeg-shared)
# Propagate to parent scope (modified by fl_add_library and here)
set(FLTK_LIBRARIES_SHARED ${FLTK_LIBRARIES_SHARED} PARENT_SCOPE)
set(FLTK_IMAGE_LIBRARIES_SHARED ${FLTK_IMAGE_LIBRARIES_SHARED} PARENT_SCOPE)
endif(FLTK_BUILD_SHARED_LIBS)
#######################################################################
# Install the library headers
#######################################################################
install(FILES
jconfig.h jerror.h jmorecfg.h jpeglib.h fltk_jpeg_prefix.h
DESTINATION
${FLTK_INCLUDEDIR}/FL/images
)
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