Branch
Hash :
942ac87e
Author :
Date :
2025-06-14T07:45:48
Build: Allow disabling tests/command-line tools This is useful for downstream projects that include libjpeg-turbo via ExternalProject_Add(). Closes #818
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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 ${CMAKE_CURRENT_BINARY_DIR}/..)
if(MSVC_LIKE)
# Build all configurations against shared C library
if(CMAKE_VERSION VERSION_EQUAL "3.15" OR
CMAKE_VERSION VERSION_GREATER "3.15")
if(CMAKE_BUILD_TYPE_UC STREQUAL "DEBUG")
set(CMAKE_MSVC_RUNTIME_LIBRARY MultiThreadedDebugDLL)
elseif(MSVC_IDE)
set(CMAKE_MSVC_RUNTIME_LIBRARY "MultiThreaded$<$<CONFIG:Debug>:Debug>DLL")
else()
set(CMAKE_MSVC_RUNTIME_LIBRARY MultiThreadedDLL)
endif()
message(STATUS "Visual C++ run-time library for libjpeg API DLL: ${CMAKE_MSVC_RUNTIME_LIBRARY}")
elseif(MSVC)
foreach(var CMAKE_C_FLAGS CMAKE_C_FLAGS_DEBUG CMAKE_C_FLAGS_RELEASE
CMAKE_C_FLAGS_MINSIZEREL CMAKE_C_FLAGS_RELWITHDEBINFO)
if(${var} MATCHES "/MT")
string(REGEX REPLACE "/MT" "/MD" ${var} "${${var}}")
endif()
endforeach()
endif()
endif()
foreach(src ${JPEG_SOURCES})
set(JPEG_SRCS ${JPEG_SRCS} ../${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(${SIMD_OBJS} PROPERTIES GENERATED 1)
endif()
if(WIN32)
set(DEFFILE ../win/jpeg${SO_MAJOR_VERSION}.def)
endif()
if(MSVC_LIKE)
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} ${SIMD_TARGET_OBJECTS}
${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}${CMAKE_CURRENT_BINARY_DIR}/../libjpeg.map")
endif()
if(MSVC_LIKE)
set_target_properties(jpeg PROPERTIES
RUNTIME_OUTPUT_NAME jpeg${SO_MAJOR_VERSION})
# The jsimd_*.c file is built to use libcmt or libcmtd, so this prevents a
# linker warning.
if(MSVC)
set_target_properties(jpeg PROPERTIES LINK_FLAGS
"/NODEFAULTLIB:LIBCMT /NODEFAULTLIB:LIBCMTD")
else()
set_target_properties(jpeg PROPERTIES LINK_FLAGS
"-Wl,-nodefaultlib:libcmt -Wl,-nodefaultlib:libcmtd")
endif()
elseif(MINGW)
set_target_properties(jpeg PROPERTIES SUFFIX -${SO_MAJOR_VERSION}.dll)
endif()
if(WITH_TOOLS)
if(WIN32)
set(USE_SETMODE "-DUSE_SETMODE")
endif()
set(CDJPEG_COMPILE_FLAGS
"-DBMP_SUPPORTED -DGIF_SUPPORTED -DPPM_SUPPORTED -DTARGA_SUPPORTED ${USE_SETMODE}")
add_executable(cjpeg ../src/cjpeg.c ../src/cdjpeg.c ../src/rdbmp.c
../src/rdgif.c
../src/wrapper/rdppm-8.c ../src/wrapper/rdppm-12.c
../src/wrapper/rdppm-16.c
../src/rdswitch.c ../src/rdtarga.c)
set_property(TARGET cjpeg PROPERTY COMPILE_FLAGS ${CDJPEG_COMPILE_FLAGS})
target_link_libraries(cjpeg jpeg)
add_executable(djpeg ../src/djpeg.c ../src/cdjpeg.c
../src/wrapper/rdcolmap-8.c ../src/wrapper/rdcolmap-12.c
../src/rdswitch.c ../src/wrbmp.c
../src/wrapper/wrgif-8.c ../src/wrapper/wrgif-12.c
../src/wrapper/wrppm-8.c ../src/wrapper/wrppm-12.c
../src/wrapper/wrppm-16.c
../src/wrtarga.c)
set_property(TARGET djpeg PROPERTY COMPILE_FLAGS ${CDJPEG_COMPILE_FLAGS})
target_link_libraries(djpeg jpeg)
add_executable(jpegtran ../src/jpegtran.c ../src/cdjpeg.c ../src/rdswitch.c
../src/transupp.c)
target_link_libraries(jpegtran jpeg)
set_property(TARGET jpegtran PROPERTY COMPILE_FLAGS "${USE_SETMODE}")
endif()
if(WITH_TESTS)
add_executable(example ../src/example.c)
target_link_libraries(example jpeg)
add_executable(jcstest ../src/jcstest.c)
target_link_libraries(jcstest jpeg)
endif()
install(TARGETS jpeg EXPORT ${CMAKE_PROJECT_NAME}Targets
INCLUDES DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}
ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR} COMPONENT lib
LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR} COMPONENT lib
RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR} COMPONENT bin)
if(WITH_TOOLS)
install(TARGETS cjpeg djpeg jpegtran
RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR} COMPONENT bin)
endif()
if(NOT CMAKE_VERSION VERSION_LESS "3.1" AND MSVC_LIKE AND
CMAKE_C_LINKER_SUPPORTS_PDB)
install(FILES "$<TARGET_PDB_FILE:jpeg>"
DESTINATION ${CMAKE_INSTALL_BINDIR} COMPONENT bin OPTIONAL)
endif()