fd5cd80935
This is a big commit and there are too many changes to list them all.
The main changes are:
- rename all CMake build options to 'FLTK_*'
- export library targets with namespace (prefix) 'fltk::'
- standardize shared library target names with suffix '-shared'
- set public build properties on libraries for consumers
- document library names and aliases in README.CMake.txt
- document changes in "Migrating Code from FLTK 1.3 to 1.4"
- partial backwards compatibility for old user projects
Included but not directly related changes:
- fix Windows (Visual Studio) DLL build
- add CMake function fl_debug_target() to show target properties
- don't build test programs if FLTK is a subproject
- internal: reformat CMake code: remove space before '('
Thanks to Matthias and Manolo for their help, testing, and feeback.
117 lines
3.7 KiB
CMake
117 lines
3.7 KiB
CMake
#
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# JPEG library CMake configuration for the Fast Light Toolkit (FLTK).
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#
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# Copyright 1998-2024 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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# memmgr back ends: compile only one of these into a working library
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# (For now, let's use the mode that requires the image fit into memory.
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# This is the recommended mode for Win32 anyway.)
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set(systemdependent_SRCS jmemnobs.c)
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# library object files common to compression and decompression
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set(common_SRCS
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jaricom.c jcomapi.c jutils.c jerror.c jmemmgr.c
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)
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# compression library object files
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set(compression_SRCS
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jcapimin.c jcapistd.c jcarith.c jctrans.c jcparam.c jdatadst.c jcinit.c
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jcmaster.c jcmarker.c jcmainct.c jcprepct.c jccoefct.c jccolor.c
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jcsample.c jchuff.c jcdctmgr.c jfdctfst.c jfdctflt.c
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jfdctint.c
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)
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# decompression library object files
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set(decompression_SRCS
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jdapimin.c jdapistd.c jdarith.c jdtrans.c jdatasrc.c jdmaster.c
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jdinput.c jdmarker.c jdhuff.c jdmainct.c jdcoefct.c
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jdpostct.c jddctmgr.c jidctfst.c jidctflt.c jidctint.c
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jdsample.c jdcolor.c jquant1.c jquant2.c jdmerge.c
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)
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list(APPEND BUILD_SRCS "${systemdependent_SRCS};${common_SRCS}")
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list(APPEND BUILD_SRCS "${compression_SRCS};${decompression_SRCS}")
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#######################################################################
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# Set common variables for static and shared builds
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#######################################################################
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set(_include_dirs
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$<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}>
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$<INSTALL_INTERFACE:include>
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)
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# Suppress Visual Studio compiler warnings
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set(msvc_warnings /wd4267)
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#######################################################################
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# Build the static library
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#######################################################################
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fl_add_library(fltk_jpeg STATIC "${BUILD_SRCS}")
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set(target fltk_jpeg)
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target_include_directories(${target} PUBLIC ${_include_dirs})
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if(MSVC)
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target_compile_options(${target} PRIVATE ${msvc_warnings})
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endif(MSVC)
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list(APPEND FLTK_IMAGE_LIBRARIES fltk::jpeg)
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# Propagate to parent scope (modified by fl_add_library and here)
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set(FLTK_LIBRARIES ${FLTK_LIBRARIES} PARENT_SCOPE)
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set(FLTK_IMAGE_LIBRARIES ${FLTK_IMAGE_LIBRARIES} PARENT_SCOPE)
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#######################################################################
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# Build the shared library (optional)
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#######################################################################
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if(FLTK_BUILD_SHARED_LIBS)
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# ensure to export all symbols for Windows DLL's
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set(CMAKE_WINDOWS_EXPORT_ALL_SYMBOLS TRUE)
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fl_add_library(fltk_jpeg SHARED "${BUILD_SRCS}")
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set(target fltk_jpeg-shared)
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target_include_directories(${target} PUBLIC ${_include_dirs})
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if(MSVC)
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target_compile_options(${target} PRIVATE ${msvc_warnings})
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endif(MSVC)
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list(APPEND FLTK_IMAGE_LIBRARIES_SHARED fltk::jpeg-shared)
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# Propagate to parent scope (modified by fl_add_library and here)
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set(FLTK_LIBRARIES_SHARED ${FLTK_LIBRARIES_SHARED} PARENT_SCOPE)
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set(FLTK_IMAGE_LIBRARIES_SHARED ${FLTK_IMAGE_LIBRARIES_SHARED} PARENT_SCOPE)
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endif(FLTK_BUILD_SHARED_LIBS)
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#######################################################################
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# Install the library headers
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#######################################################################
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install(FILES
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jconfig.h jerror.h jmorecfg.h jpeglib.h fltk_jpeg_prefix.h
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DESTINATION
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${FLTK_INCLUDEDIR}/FL/images
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)
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