Hash :
7fec5074
Author :
Date :
2022-03-08T12:34:11
Support 8-bit & 12-bit JPEGs using the same build Partially implements #199 This commit also implements a request from #178 (the ability to compile the libjpeg example as a standalone program.)
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# Anything that must be linked against the shared C library on Windows must
# be built in this subdirectory, because CMake doesn't allow us to override
# the compiler flags for each build type except at directory scope. Note
# to CMake developers: Add a COMPILE_FLAGS_<CONFIG> target property, or
# better yet, provide a friendly way of configuring a Windows target to use the
# static C library.
set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/..)
set(CMAKE_LIBRARY_OUTPUT_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/..)
set(CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/..)
if(MSVC)
# Build all configurations against shared C library
foreach(var CMAKE_C_FLAGS CMAKE_C_FLAGS_DEBUG CMAKE_C_FLAGS_RELEASE
CMAKE_C_FLAGS_MINSIZEREL CMAKE_C_FLAGS_RELWITHDEBINFO)
if(${var} MATCHES "/MT")
string(REGEX REPLACE "/MT" "/MD" ${var} "${${var}}")
endif()
endforeach()
endif()
foreach(src ${JPEG_SOURCES})
set(JPEG_SRCS ${JPEG_SRCS} ../${src})
endforeach()
foreach(src ${JPEG12_SOURCES})
set(JPEG12_SRCS ${JPEG12_SRCS} ../${src})
endforeach()
if(WITH_SIMD AND (MSVC_IDE OR XCODE))
# This tells CMake that the "source" files haven't been generated yet
set_source_files_properties(${SIMD_OBJS} PROPERTIES GENERATED 1)
endif()
if(WIN32)
if(WITH_MEM_SRCDST)
set(DEFFILE ../win/jpeg${SO_MAJOR_VERSION}-memsrcdst.def)
else()
set(DEFFILE ../win/jpeg${SO_MAJOR_VERSION}.def)
endif()
endif()
if(MSVC)
configure_file(${CMAKE_SOURCE_DIR}/win/jpeg.rc.in
${CMAKE_BINARY_DIR}/win/jpeg.rc)
set(JPEG_SRCS ${JPEG_SRCS} ${CMAKE_BINARY_DIR}/win/jpeg.rc)
endif()
add_library(jpeg SHARED ${JPEG_SRCS} ${DEFFILE} $<TARGET_OBJECTS:simd>
${SIMD_OBJS})
set_target_properties(jpeg PROPERTIES SOVERSION ${SO_MAJOR_VERSION}
VERSION ${SO_MAJOR_VERSION}.${SO_AGE}.${SO_MINOR_VERSION})
if(APPLE AND (NOT CMAKE_OSX_DEPLOYMENT_TARGET OR
CMAKE_OSX_DEPLOYMENT_TARGET VERSION_GREATER 10.4))
if(NOT CMAKE_SHARED_LIBRARY_RUNTIME_C_FLAG)
set(CMAKE_SHARED_LIBRARY_RUNTIME_C_FLAG "-Wl,-rpath,")
endif()
set_target_properties(jpeg PROPERTIES MACOSX_RPATH 1)
endif()
if(MAPFLAG)
set_target_properties(jpeg PROPERTIES
LINK_FLAGS "${MAPFLAG}${CMAKE_CURRENT_BINARY_DIR}/../libjpeg.map")
endif()
if(MSVC)
set_target_properties(jpeg PROPERTIES
RUNTIME_OUTPUT_NAME jpeg${SO_MAJOR_VERSION})
# The jsimd_*.c file is built using /MT, so this prevents a linker warning.
set_target_properties(jpeg PROPERTIES LINK_FLAGS
"/NODEFAULTLIB:LIBCMT /NODEFAULTLIB:LIBCMTD")
elseif(MINGW)
set_target_properties(jpeg PROPERTIES SUFFIX -${SO_MAJOR_VERSION}.dll)
endif()
if(WITH_12BIT)
if(WIN32)
if(WITH_MEM_SRCDST)
set(DEFFILE ../win/jpeg12-${SO_MAJOR_VERSION}-memsrcdst.def)
else()
set(DEFFILE ../win/jpeg12-${SO_MAJOR_VERSION}.def)
endif()
endif()
add_library(jpeg12 SHARED ${JPEG12_SRCS} ${DEFFILE} ../jsimd_none.c)
set_property(TARGET jpeg12 PROPERTY COMPILE_FLAGS "-DBITS_IN_JSAMPLE=12")
set_target_properties(jpeg12 PROPERTIES SOVERSION ${SO_MAJOR_VERSION}
VERSION ${SO_MAJOR_VERSION}.${SO_AGE}.${SO_MINOR_VERSION})
if(APPLE AND (NOT CMAKE_OSX_DEPLOYMENT_TARGET OR
CMAKE_OSX_DEPLOYMENT_TARGET VERSION_GREATER 10.4))
set_target_properties(jpeg12 PROPERTIES MACOSX_RPATH 1)
endif()
if(MAPFLAG)
set_target_properties(jpeg12 PROPERTIES
LINK_FLAGS "${MAPFLAG}${CMAKE_CURRENT_BINARY_DIR}/../libjpeg12.map")
endif()
if(MSVC)
set_target_properties(jpeg12 PROPERTIES
RUNTIME_OUTPUT_NAME jpeg12-${SO_MAJOR_VERSION})
elseif(MINGW)
set_target_properties(jpeg12 PROPERTIES SUFFIX -${SO_MAJOR_VERSION}.dll)
endif()
endif()
if(WIN32)
set(USE_SETMODE "-DUSE_SETMODE")
endif()
add_executable(cjpeg ../cjpeg.c ../cdjpeg.c ../rdbmp.c ../rdgif.c ../rdppm.c
../rdswitch.c ../rdtarga.c)
set_property(TARGET cjpeg PROPERTY COMPILE_FLAGS
"-DBMP_SUPPORTED -DGIF_SUPPORTED -DPPM_SUPPORTED -DTARGA_SUPPORTED ${USE_SETMODE}")
target_link_libraries(cjpeg jpeg)
add_executable(djpeg ../djpeg.c ../cdjpeg.c ../rdcolmap.c ../rdswitch.c
../wrbmp.c ../wrgif.c ../wrppm.c ../wrtarga.c)
set_property(TARGET djpeg PROPERTY COMPILE_FLAGS
"-DBMP_SUPPORTED -DGIF_SUPPORTED -DPPM_SUPPORTED -DTARGA_SUPPORTED ${USE_SETMODE}")
target_link_libraries(djpeg jpeg)
add_executable(jpegtran ../jpegtran.c ../cdjpeg.c ../rdswitch.c ../transupp.c)
target_link_libraries(jpegtran jpeg)
set_property(TARGET jpegtran PROPERTY COMPILE_FLAGS "${USE_SETMODE}")
if(WITH_12BIT)
add_executable(cjpeg12 ../cjpeg.c ../cdjpeg.c ../rdgif.c ../rdppm.c
../rdswitch.c)
set_property(TARGET cjpeg12 PROPERTY COMPILE_FLAGS
"-DBITS_IN_JSAMPLE=12 -DGIF_SUPPORTED -DPPM_SUPPORTED ${USE_SETMODE}")
target_link_libraries(cjpeg12 jpeg12)
add_executable(djpeg12 ../djpeg.c ../cdjpeg.c ../rdcolmap.c ../rdswitch.c
../wrgif.c ../wrppm.c)
set_property(TARGET djpeg12 PROPERTY COMPILE_FLAGS
"-DBITS_IN_JSAMPLE=12 -DGIF_SUPPORTED -DPPM_SUPPORTED ${USE_SETMODE}")
target_link_libraries(djpeg12 jpeg12)
add_executable(jpeg12tran ../jpegtran.c ../cdjpeg.c ../rdswitch.c
../transupp.c)
target_link_libraries(jpeg12tran jpeg12)
set_property(TARGET jpeg12tran PROPERTY COMPILE_FLAGS
"-DBITS_IN_JSAMPLE=12 ${USE_SETMODE}")
endif()
add_executable(example ../example.c)
if(WITH_12BIT)
target_link_libraries(example jpeg jpeg12)
set_property(TARGET example PROPERTY COMPILE_FLAGS "-DWITH_12BIT")
else()
target_link_libraries(example jpeg)
endif()
add_executable(jcstest ../jcstest.c)
target_link_libraries(jcstest jpeg)
install(TARGETS jpeg EXPORT ${CMAKE_PROJECT_NAME}Targets
INCLUDES DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}
ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}
LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR})
install(TARGETS cjpeg djpeg jpegtran
RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR})
if(NOT CMAKE_VERSION VERSION_LESS "3.1" AND MSVC AND
CMAKE_C_LINKER_SUPPORTS_PDB)
install(FILES "$<TARGET_PDB_FILE:jpeg>"
DESTINATION ${CMAKE_INSTALL_BINDIR} OPTIONAL)
endif()
if(WITH_12BIT)
install(TARGETS jpeg12 EXPORT ${CMAKE_PROJECT_NAME}Targets
INCLUDES DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}
ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}
LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR})
install(TARGETS cjpeg12 djpeg12 jpeg12tran
RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR})
if(NOT CMAKE_VERSION VERSION_LESS "3.1" AND MSVC AND
CMAKE_C_LINKER_SUPPORTS_PDB)
install(FILES "$<TARGET_PDB_FILE:jpeg12>"
DESTINATION ${CMAKE_INSTALL_BINDIR} OPTIONAL)
endif()
endif()