#
# This is a CMake makefile. You can find the cmake utility and
# information about it at http://www.cmake.org
#
cmake_minimum_required(VERSION 3.17.0)
set(CMAKE_DISABLE_SOURCE_CHANGES ON)
set(CMAKE_DISABLE_IN_SOURCE_BUILD ON)
if(POLICY CMP0077)
cmake_policy(SET CMP0077 NEW)
endif()
project(dlib LANGUAGES C CXX)
set(CPACK_PACKAGE_NAME "dlib")
set(CPACK_PACKAGE_VERSION_MAJOR "20")
set(CPACK_PACKAGE_VERSION_MINOR "1")
set(CPACK_PACKAGE_VERSION_PATCH "0")
set(VERSION ${CPACK_PACKAGE_VERSION_MAJOR}.${CPACK_PACKAGE_VERSION_MINOR}.${CPACK_PACKAGE_VERSION_PATCH})
# Only print these messages once, even if dlib is added multiple times via add_subdirectory()
if (NOT TARGET dlib)
message(STATUS "Using CMake version: ${CMAKE_VERSION}")
message(STATUS "Compiling dlib version: ${VERSION}")
endif()
set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} ${CMAKE_CURRENT_SOURCE_DIR}/cmake_utils)
include(cmake_utils/set_compiler_specific_options.cmake)
# Adhere to GNU filesystem layout conventions
include(GNUInstallDirs)
if (POLICY CMP0075)
cmake_policy(SET CMP0075 NEW)
endif()
# default to a Release build (except if CMAKE_BUILD_TYPE is set)
include(cmake_utils/release_build_by_default)
# Set DLIB_VERSION in the including CMake file so they can use it to do whatever they want.
get_directory_property(has_parent PARENT_DIRECTORY)
if(has_parent)
set(DLIB_VERSION ${VERSION} PARENT_SCOPE)
if (NOT DEFINED DLIB_IN_PROJECT_BUILD)
set(DLIB_IN_PROJECT_BUILD true)
endif()
endif()
if (COMMAND pybind11_add_module AND MSVC)
# True when building a python extension module using Visual Studio. We care
# about this because a huge number of windows users have broken systems, and
# in particular, they have broken or incompatibly installed copies of things
# like libjpeg or libpng. So if we detect we are in this mode we will never
# ever link to those libraries. Instead, we link to the copy included with
# dlib.
set (BUILDING_PYTHON_IN_MSVC true)
else()
set (BUILDING_PYTHON_IN_MSVC false)
endif()
if (DLIB_IN_PROJECT_BUILD)
# Check if we are being built as part of a pybind11 module.
if (COMMAND pybind11_add_module)
set(CMAKE_POSITION_INDEPENDENT_CODE True)
if (CMAKE_COMPILER_IS_GNUCXX)
# Just setting CMAKE_POSITION_INDEPENDENT_CODE should be enough to set
# -fPIC for GCC but sometimes it still doesn't get set, so make sure it
# does.
add_definitions("-fPIC")
endif()
# Make DLIB_ASSERT statements not abort the python interpreter, but just return an error.
list(APPEND active_preprocessor_switches "-DDLIB_NO_ABORT_ON_2ND_FATAL_ERROR")
endif()
# DLIB_IN_PROJECT_BUILD==true means you are using dlib by invoking
# add_subdirectory(dlib) in the parent project. In this case, we always want
# to build dlib as a static library so the parent project doesn't need to
# deal with some random dlib shared library file. It is much better to
# statically compile dlib into the parent project. So the following bit of
# CMake ensures that happens. However, we have to take care to compile dlib
# with position independent code if appropriate (i.e. if the parent project
# is a shared library).
if (BUILD_SHARED_LIBS)
if (CMAKE_COMPILER_IS_GNUCXX)
# Just setting CMAKE_POSITION_INDEPENDENT_CODE should be enough to set
# -fPIC for GCC but sometimes it still doesn't get set, so make sure it
# does.
add_definitions("-fPIC")
endif()
set(CMAKE_POSITION_INDEPENDENT_CODE true)
endif()
# Tell cmake to build dlib as a static library
set(BUILD_SHARED_LIBS false)
elseif(BUILD_SHARED_LIBS)
if (MSVC)
message(FATAL_ERROR "Building dlib as a standalone dll is not supported when using Visual Studio. You are highly encouraged to use static linking instead. See https://github.com/davisking/dlib/issues/1483 for a discussion.")
endif()
endif()
macro (enable_preprocessor_switch option_name)
list(APPEND active_preprocessor_switches "-D${option_name}")
endmacro()
macro (disable_preprocessor_switch option_name)
if (active_preprocessor_switches)
list(REMOVE_ITEM active_preprocessor_switches "-D${option_name}")
endif()
endmacro()
macro (toggle_preprocessor_switch option_name)
if (${option_name})
enable_preprocessor_switch(${option_name})
else()
disable_preprocessor_switch(${option_name})
endif()
endmacro()
# Suppress superfluous randlib warnings about libdlib.a having no symbols on MacOSX.
if (CMAKE_C_COMPILER_ID STREQUAL "AppleClang")
set(CMAKE_C_ARCHIVE_CREATE " Scr ")
set(CMAKE_C_ARCHIVE_FINISH " -no_warning_for_no_symbols -c ")
endif()
if (CMAKE_CXX_COMPILER_ID STREQUAL "AppleClang")
set(CMAKE_CXX_ARCHIVE_CREATE " Scr ")
set(CMAKE_CXX_ARCHIVE_FINISH " -no_warning_for_no_symbols -c ")
endif()
# Don't try to call add_library(dlib) and setup dlib's stuff if it has already
# been done by some other part of the current cmake project. We do this
# because it avoids getting warnings/errors about cmake policy CMP0002. This
# happens when a project tries to call add_subdirectory() on dlib more than
# once. This most often happens when the top level of a project depends on two
# or more other things which both depend on dlib.
if (NOT TARGET dlib)
set (DLIB_ISO_CPP_ONLY_STR
"Enable this if you don't want to compile any non-ISO C++ code (i.e. you don't use any of the API Wrappers)" )
set (DLIB_NO_GUI_SUPPORT_STR
"Enable this if you don't want to compile any of the dlib GUI code" )
set (DLIB_ENABLE_STACK_TRACE_STR
"Enable this if you want to turn on the DLIB_STACK_TRACE macros" )
set (DLIB_USE_BLAS_STR
"Disable this if you don't want to use a BLAS library" )
set (DLIB_USE_LAPACK_STR
"Disable this if you don't want to use a LAPACK library" )
set (DLIB_USE_CUDA_STR
"Disable this if you don't want to use NVIDIA CUDA" )
set (DLIB_USE_CUDA_COMPUTE_CAPABILITIES_STR
"Set this to a comma-separated list of CUDA compute capabilities" )
set (DLIB_USE_MKL_SEQUENTIAL_STR
"Enable this if you have MKL installed and want to use the sequential version instead of the multi-core version." )
set (DLIB_USE_MKL_WITH_TBB_STR
"Enable this if you have MKL installed and want to use the tbb version instead of the openmp version." )
set (DLIB_PNG_SUPPORT_STR
"Disable this if you don't want to link against libpng" )
set (DLIB_GIF_SUPPORT_STR
"Disable this if you don't want to link against libgif" )
set (DLIB_JPEG_SUPPORT_STR
"Disable this if you don't want to link against libjpeg" )
set (DLIB_WEBP_SUPPORT_STR
"Disable this if you don't want to link against libwebp" )
set (DLIB_JXL_SUPPORT_STR
"Disable this if you don't want to link against libjxl" )
set (DLIB_LINK_WITH_SQLITE3_STR
"Disable this if you don't want to link against sqlite3" )
#set (DLIB_USE_FFTW_STR "Disable this if you don't want to link against fftw" )
set (DLIB_USE_MKL_FFT_STR
"Disable this is you don't want to use the MKL DFTI FFT implementation" )
set (DLIB_ENABLE_ASSERTS_STR
"Enable this if you want to turn on the DLIB_ASSERT macro" )
set (DLIB_USE_FFMPEG_STR
"Disable this if you don't want to use the FFMPEG library" )
option(DLIB_ENABLE_ASSERTS ${DLIB_ENABLE_ASSERTS_STR} OFF)
option(DLIB_ISO_CPP_ONLY ${DLIB_ISO_CPP_ONLY_STR} OFF)
toggle_preprocessor_switch(DLIB_ISO_CPP_ONLY)
option(DLIB_NO_GUI_SUPPORT ${DLIB_NO_GUI_SUPPORT_STR} OFF)
toggle_preprocessor_switch(DLIB_NO_GUI_SUPPORT)
option(DLIB_ENABLE_STACK_TRACE ${DLIB_ENABLE_STACK_TRACE_STR} OFF)
toggle_preprocessor_switch(DLIB_ENABLE_STACK_TRACE)
option(DLIB_USE_MKL_SEQUENTIAL ${DLIB_USE_MKL_SEQUENTIAL_STR} OFF)
option(DLIB_USE_MKL_WITH_TBB ${DLIB_USE_MKL_WITH_TBB_STR} OFF)
if(DLIB_ENABLE_ASSERTS)
# Set these variables so they are set in the config.h.in file when dlib
# is installed.
set (DLIB_DISABLE_ASSERTS false)
set (ENABLE_ASSERTS true)
enable_preprocessor_switch(ENABLE_ASSERTS)
disable_preprocessor_switch(DLIB_DISABLE_ASSERTS)
else()
# Set these variables so they are set in the config.h.in file when dlib
# is installed.
set (DLIB_DISABLE_ASSERTS true)
set (ENABLE_ASSERTS false)
disable_preprocessor_switch(ENABLE_ASSERTS)
# Never force the asserts off when doing an in project build. The only
# time this matters is when using visual studio. The visual studio IDE
# has a drop down that lets the user select either release or debug
# builds. The DLIB_ASSERT macro is setup to enable/disable automatically
# based on this drop down (via preprocessor magic). However, if
# DLIB_DISABLE_ASSERTS is defined it permanently disables asserts no
# matter what, which would defeat the visual studio drop down. So here
# we make a point to not do that kind of severe disabling when in a
# project build. It should also be pointed out that DLIB_DISABLE_ASSERTS
# is only needed when building and installing dlib as a separately
# installed library. It doesn't matter when doing an in project build.
if (NOT DLIB_IN_PROJECT_BUILD)
enable_preprocessor_switch(DLIB_DISABLE_ASSERTS)
endif()
endif()
if (DLIB_ISO_CPP_ONLY)
option(DLIB_JPEG_SUPPORT ${DLIB_JPEG_SUPPORT_STR} OFF)
option(DLIB_LINK_WITH_SQLITE3 ${DLIB_LINK_WITH_SQLITE3_STR} OFF)
option(DLIB_USE_BLAS ${DLIB_USE_BLAS_STR} OFF)
option(DLIB_USE_LAPACK ${DLIB_USE_LAPACK_STR} OFF)
option(DLIB_USE_CUDA ${DLIB_USE_CUDA_STR} OFF)
option(DLIB_PNG_SUPPORT ${DLIB_PNG_SUPPORT_STR} OFF)
option(DLIB_GIF_SUPPORT ${DLIB_GIF_SUPPORT_STR} OFF)
option(DLIB_WEBP_SUPPORT ${DLIB_WEBP_SUPPORT_STR} OFF)
option(DLIB_JXL_SUPPORT ${DLIB_JXL_SUPPORT_STR} OFF)
#option(DLIB_USE_FFTW ${DLIB_USE_FFTW_STR} OFF)
option(DLIB_USE_MKL_FFT ${DLIB_USE_MKL_FFT_STR} OFF)
option(DLIB_USE_FFMPEG ${DLIB_USE_FFMPEG_STR} OFF)
else()
option(DLIB_JPEG_SUPPORT ${DLIB_JPEG_SUPPORT_STR} ON)
option(DLIB_LINK_WITH_SQLITE3 ${DLIB_LINK_WITH_SQLITE3_STR} ON)
option(DLIB_USE_BLAS ${DLIB_USE_BLAS_STR} ON)
option(DLIB_USE_LAPACK ${DLIB_USE_LAPACK_STR} ON)
option(DLIB_USE_CUDA ${DLIB_USE_CUDA_STR} ON)
option(DLIB_PNG_SUPPORT ${DLIB_PNG_SUPPORT_STR} ON)
option(DLIB_GIF_SUPPORT ${DLIB_GIF_SUPPORT_STR} ON)
option(DLIB_WEBP_SUPPORT ${DLIB_WEBP_SUPPORT_STR} ON)
option(DLIB_JXL_SUPPORT ${DLIB_JXL_SUPPORT_STR} ON)
#option(DLIB_USE_FFTW ${DLIB_USE_FFTW_STR} ON)
option(DLIB_USE_MKL_FFT ${DLIB_USE_MKL_FFT_STR} ON)
option(DLIB_USE_FFMPEG ${DLIB_USE_FFMPEG_STR} ON)
endif()
toggle_preprocessor_switch(DLIB_JPEG_SUPPORT)
toggle_preprocessor_switch(DLIB_USE_BLAS)
toggle_preprocessor_switch(DLIB_USE_LAPACK)
toggle_preprocessor_switch(DLIB_USE_CUDA)
toggle_preprocessor_switch(DLIB_PNG_SUPPORT)
toggle_preprocessor_switch(DLIB_GIF_SUPPORT)
toggle_preprocessor_switch(DLIB_WEBP_SUPPORT)
toggle_preprocessor_switch(DLIB_JXL_SUPPORT)
#toggle_preprocessor_switch(DLIB_USE_FFTW)
toggle_preprocessor_switch(DLIB_USE_MKL_FFT)
toggle_preprocessor_switch(DLIB_USE_FFMPEG)
set(source_files
base64/base64_kernel_1.cpp
bigint/bigint_kernel_1.cpp
bigint/bigint_kernel_2.cpp
bit_stream/bit_stream_kernel_1.cpp
entropy_decoder/entropy_decoder_kernel_1.cpp
entropy_decoder/entropy_decoder_kernel_2.cpp
entropy_encoder/entropy_encoder_kernel_1.cpp
entropy_encoder/entropy_encoder_kernel_2.cpp
md5/md5_kernel_1.cpp
tokenizer/tokenizer_kernel_1.cpp
unicode/unicode.cpp
test_for_odr_violations.cpp
fft/fft.cpp
)
set(dlib_needed_public_libraries)
set(dlib_needed_public_includes)
set(dlib_needed_public_cflags)
set(dlib_needed_public_ldflags)
set(dlib_needed_private_libraries)
set(dlib_needed_private_includes)
if (DLIB_ISO_CPP_ONLY)
add_library(dlib ${source_files} )
else()
set(source_files ${source_files}
sockets/sockets_kernel_1.cpp
bsp/bsp.cpp
dir_nav/dir_nav_kernel_1.cpp
dir_nav/dir_nav_kernel_2.cpp
dir_nav/dir_nav_extensions.cpp
gui_widgets/fonts.cpp
linker/linker_kernel_1.cpp
logger/extra_logger_headers.cpp
logger/logger_kernel_1.cpp
logger/logger_config_file.cpp
misc_api/misc_api_kernel_1.cpp
misc_api/misc_api_kernel_2.cpp
sockets/sockets_extensions.cpp
sockets/sockets_kernel_2.cpp
sockstreambuf/sockstreambuf.cpp
sockstreambuf/sockstreambuf_unbuffered.cpp
server/server_kernel.cpp
server/server_iostream.cpp
server/server_http.cpp
threads/multithreaded_object_extension.cpp
threads/threaded_object_extension.cpp
threads/threads_kernel_1.cpp
threads/threads_kernel_2.cpp
threads/threads_kernel_shared.cpp
threads/thread_pool_extension.cpp
threads/async.cpp
timer/timer.cpp
stack_trace.cpp
cuda/cpu_dlib.cpp
cuda/tensor_tools.cpp
data_io/image_dataset_metadata.cpp
data_io/mnist.cpp
data_io/cifar.cpp
global_optimization/global_function_search.cpp
filtering/kalman_filter.cpp
svm/auto.cpp
)
if(UNIX)
set(CMAKE_THREAD_PREFER_PTHREAD ON)
find_package(Threads REQUIRED)
list (APPEND dlib_needed_private_libraries ${CMAKE_THREAD_LIBS_INIT})
endif()
# we want to link to the right stuff depending on our platform.
if (WIN32 AND NOT CYGWIN) ###############################################################################
if (DLIB_NO_GUI_SUPPORT)
list (APPEND dlib_needed_private_libraries ws2_32 winmm)
else()
list (APPEND dlib_needed_private_libraries ws2_32 winmm comctl32 gdi32 imm32)
endif()
elseif(APPLE) ############################################################################
set(CMAKE_MACOSX_RPATH 1)
if (NOT DLIB_NO_GUI_SUPPORT)
find_package(X11 QUIET)
if (X11_FOUND)
# If both X11 and anaconda are installed, it's possible for the
# anaconda path to appear before /opt/X11, so we remove anaconda.
foreach (ITR ${X11_INCLUDE_DIR})
if ("${ITR}" MATCHES "(.*)(Ana|ana|mini)conda(.*)")
list (REMOVE_ITEM X11_INCLUDE_DIR ${ITR})
endif ()
endforeach(ITR)
list (APPEND dlib_needed_public_includes ${X11_INCLUDE_DIR})
list (APPEND dlib_needed_public_libraries ${X11_LIBRARIES})
else()
find_library(xlib X11)
# Make sure X11 is in the include path. Note that we look for
# Xlocale.h rather than Xlib.h because it avoids finding a partial
# copy of the X11 headers on systems with anaconda installed.
find_path(xlib_path Xlocale.h
PATHS
/Developer/SDKs/MacOSX10.4u.sdk/usr/X11R6/include
/opt/local/include
PATH_SUFFIXES X11
)
if (xlib AND xlib_path)
get_filename_component(x11_path ${xlib_path} PATH CACHE)
list (APPEND dlib_needed_public_includes ${x11_path})
list (APPEND dlib_needed_public_libraries ${xlib})
set(X11_FOUND 1)
endif()
endif()
if (NOT X11_FOUND)
message(" *****************************************************************************")
message(" *** DLIB GUI SUPPORT DISABLED BECAUSE X11 DEVELOPMENT LIBRARIES NOT FOUND ***")
message(" *** Make sure XQuartz is installed if you want GUI support. ***")
message(" *** You can download XQuartz from: https://www.xquartz.org/ ***")
message(" *****************************************************************************")
set(DLIB_NO_GUI_SUPPORT ON CACHE STRING ${DLIB_NO_GUI_SUPPORT_STR} FORCE )
enable_preprocessor_switch(DLIB_NO_GUI_SUPPORT)
endif()
endif()
mark_as_advanced(xlib xlib_path x11_path)
else () ##################################################################################
# link to the socket library if it exists. this is something you need on solaris
find_library(socketlib socket)
if (socketlib)
list (APPEND dlib_needed_private_libraries ${socketlib})
endif ()
if (NOT DLIB_NO_GUI_SUPPORT)
include(FindX11)
if (X11_FOUND)
list (APPEND dlib_needed_private_includes ${X11_INCLUDE_DIR})
list (APPEND dlib_needed_private_libraries ${X11_LIBRARIES})
else()
message(" *****************************************************************************")
message(" *** DLIB GUI SUPPORT DISABLED BECAUSE X11 DEVELOPMENT LIBRARIES NOT FOUND ***")
message(" *** Make sure libx11-dev is installed if you want GUI support. ***")
message(" *** On Ubuntu run: sudo apt-get install libx11-dev ***")
message(" *****************************************************************************")
set(DLIB_NO_GUI_SUPPORT ON CACHE STRING ${DLIB_NO_GUI_SUPPORT_STR} FORCE )
enable_preprocessor_switch(DLIB_NO_GUI_SUPPORT)
endif()
endif()
mark_as_advanced(nsllib socketlib)
endif () ##################################################################################
if (NOT DLIB_NO_GUI_SUPPORT)
set(source_files ${source_files}
gui_widgets/widgets.cpp
gui_widgets/drawable.cpp
gui_widgets/canvas_drawing.cpp
gui_widgets/style.cpp
gui_widgets/base_widgets.cpp
gui_core/gui_core_kernel_1.cpp
gui_core/gui_core_kernel_2.cpp
)
endif()
INCLUDE (CheckFunctionExists)
if (DLIB_GIF_SUPPORT)
find_package(GIF QUIET)
if (GIF_FOUND)
list (APPEND dlib_needed_public_includes ${GIF_INCLUDE_DIR})
list (APPEND dlib_needed_public_libraries ${GIF_LIBRARY})
else()
set(DLIB_GIF_SUPPORT OFF CACHE STRING ${DLIB_GIF_SUPPORT_STR} FORCE )
toggle_preprocessor_switch(DLIB_GIF_SUPPORT)
endif()
endif()
if (DLIB_PNG_SUPPORT)
include(cmake_utils/find_libpng.cmake)
if (PNG_FOUND)
list (APPEND dlib_needed_private_includes ${PNG_INCLUDE_DIR})
list (APPEND dlib_needed_private_libraries ${PNG_LIBRARIES})
else()
# If we can't find libpng then statically compile it in.
include_directories(external/libpng external/zlib)
set(source_files ${source_files}
external/libpng/arm/arm_init.c
external/libpng/arm/filter_neon_intrinsics.c
external/libpng/arm/palette_neon_intrinsics.c
external/libpng/png.c
external/libpng/pngerror.c
external/libpng/pngget.c
external/libpng/pngmem.c
external/libpng/pngpread.c
external/libpng/pngread.c
external/libpng/pngrio.c
external/libpng/pngrtran.c
external/libpng/pngrutil.c
external/libpng/pngset.c
external/libpng/pngtrans.c
external/libpng/pngwio.c
external/libpng/pngwrite.c
external/libpng/pngwtran.c
external/libpng/pngwutil.c
external/zlib/adler32.c
external/zlib/compress.c
external/zlib/crc32.c
external/zlib/deflate.c
external/zlib/gzclose.c
external/zlib/gzlib.c
external/zlib/gzread.c
external/zlib/gzwrite.c
external/zlib/infback.c
external/zlib/inffast.c
external/zlib/inflate.c
external/zlib/inftrees.c
external/zlib/trees.c
external/zlib/uncompr.c
external/zlib/zutil.c
)
include(cmake_utils/check_if_neon_available.cmake)
if (ARM_NEON_IS_AVAILABLE)
message (STATUS "NEON instructions will be used for libpng.")
enable_language(ASM)
set(source_files ${source_files}
external/libpng/arm/arm_init.c
external/libpng/arm/filter_neon_intrinsics.c
external/libpng/arm/filter_neon.S
)
set_source_files_properties(external/libpng/arm/filter_neon.S PROPERTIES COMPILE_FLAGS "${CMAKE_ASM_FLAGS} ${CMAKE_CXX_FLAGS} -x assembler-with-cpp")
endif()
endif()
set(source_files ${source_files}
image_loader/png_loader.cpp
image_saver/save_png.cpp
)
endif()
if (DLIB_JPEG_SUPPORT)
include(cmake_utils/find_libjpeg.cmake)
if (JPEG_FOUND)
list (APPEND dlib_needed_private_includes ${JPEG_INCLUDE_DIR})
list (APPEND dlib_needed_private_libraries ${JPEG_LIBRARY})
else()
# If we can't find libjpeg then statically compile it in.
add_definitions(-DDLIB_JPEG_STATIC)
set(source_files ${source_files}
external/libjpeg/jaricom.c
external/libjpeg/jcapimin.c
external/libjpeg/jcapistd.c
external/libjpeg/jcarith.c
external/libjpeg/jccoefct.c
external/libjpeg/jccolor.c
external/libjpeg/jcdctmgr.c
external/libjpeg/jchuff.c
external/libjpeg/jcinit.c
external/libjpeg/jcmainct.c
external/libjpeg/jcmarker.c
external/libjpeg/jcmaster.c
external/libjpeg/jcomapi.c
external/libjpeg/jcparam.c
external/libjpeg/jcprepct.c
external/libjpeg/jcsample.c
external/libjpeg/jdapimin.c
external/libjpeg/jdapistd.c
external/libjpeg/jdarith.c
external/libjpeg/jdatadst.c
external/libjpeg/jdatasrc.c
external/libjpeg/jdcoefct.c
external/libjpeg/jdcolor.c
external/libjpeg/jddctmgr.c
external/libjpeg/jdhuff.c
external/libjpeg/jdinput.c
external/libjpeg/jdmainct.c
external/libjpeg/jdmarker.c
external/libjpeg/jdmaster.c
external/libjpeg/jdmerge.c
external/libjpeg/jdpostct.c
external/libjpeg/jdsample.c
external/libjpeg/jerror.c
external/libjpeg/jfdctflt.c
external/libjpeg/jfdctfst.c
external/libjpeg/jfdctint.c
external/libjpeg/jidctflt.c
external/libjpeg/jidctfst.c
external/libjpeg/jidctint.c
external/libjpeg/jmemmgr.c
external/libjpeg/jmemnobs.c
external/libjpeg/jquant1.c
external/libjpeg/jquant2.c
external/libjpeg/jutils.c
)
endif()
set(source_files ${source_files}
image_loader/jpeg_loader.cpp
image_saver/save_jpeg.cpp
)
endif()
if (DLIB_WEBP_SUPPORT)
include(cmake_utils/find_libwebp.cmake)
if (WEBP_FOUND)
list (APPEND dlib_needed_private_includes ${WEBP_INCLUDE_DIR})
list (APPEND dlib_needed_private_libraries ${WEBP_LIBRARY})
set(source_files ${source_files}
image_loader/webp_loader.cpp
image_saver/save_webp.cpp
)
else()
set(DLIB_WEBP_SUPPORT OFF CACHE BOOL ${DLIB_WEBP_SUPPORT_STR} FORCE )
toggle_preprocessor_switch(DLIB_WEBP_SUPPORT)
endif()
endif()
if (DLIB_JXL_SUPPORT)
include(cmake_utils/find_libjxl.cmake)
if (JXL_FOUND)
list (APPEND dlib_needed_private_includes ${JXL_INCLUDE_DIRS})
list (APPEND dlib_needed_private_libraries ${JXL_LIBRARIES})
list (APPEND dlib_needed_public_cflags ${JXL_CFLAGS})
list (APPEND dlib_needed_public_ldflags ${JXL_LDFLAGS})
set(source_files ${source_files}
image_loader/jxl_loader.cpp
image_saver/save_jxl.cpp
)
enable_preprocessor_switch(DLIB_JXL_SUPPORT)
else()
set(DLIB_JXL_SUPPORT OFF CACHE BOOL ${DLIB_JXL_SUPPORT_STR} FORCE)
disable_preprocessor_switch(DLIB_JXL_SUPPORT)
endif()
endif()
if (DLIB_USE_BLAS OR DLIB_USE_LAPACK OR DLIB_USE_MKL_FFT)
if (DLIB_USE_MKL_WITH_TBB AND DLIB_USE_MKL_SEQUENTIAL)
set(DLIB_USE_MKL_SEQUENTIAL OFF CACHE STRING ${DLIB_USE_MKL_SEQUENTIAL_STR} FORCE )
toggle_preprocessor_switch(DLIB_USE_MKL_SEQUENTIAL)
message(STATUS "Disabling DLIB_USE_MKL_SEQUENTIAL. It cannot be used simultaneously with DLIB_USE_MKL_WITH_TBB.")
endif()
# Try to find BLAS, LAPACK and MKL
include(cmake_utils/find_blas.cmake)
if (DLIB_USE_BLAS)
if (blas_found)
list (APPEND dlib_needed_public_libraries ${blas_libraries})
else()
set(DLIB_USE_BLAS OFF CACHE STRING ${DLIB_USE_BLAS_STR} FORCE )
toggle_preprocessor_switch(DLIB_USE_BLAS)
endif()
endif()
if (DLIB_USE_LAPACK)
if (lapack_found)
list (APPEND dlib_needed_public_libraries ${lapack_libraries})
if (lapack_with_underscore)
set(LAPACK_FORCE_UNDERSCORE 1)
enable_preprocessor_switch(LAPACK_FORCE_UNDERSCORE)
elseif (lapack_without_underscore)
set(LAPACK_FORCE_NOUNDERSCORE 1)
enable_preprocessor_switch(LAPACK_FORCE_NOUNDERSCORE)
endif ()
else()
set(DLIB_USE_LAPACK OFF CACHE STRING ${DLIB_USE_LAPACK_STR} FORCE )
toggle_preprocessor_switch(DLIB_USE_LAPACK)
endif()
endif()
if (DLIB_USE_MKL_FFT)
if (found_intel_mkl AND found_intel_mkl_headers)
list (APPEND dlib_needed_public_includes ${mkl_include_dir})
list (APPEND dlib_needed_public_libraries ${mkl_libraries})
else()
set(DLIB_USE_MKL_FFT OFF CACHE STRING ${DLIB_USE_MKL_FFT_STR} FORCE )
toggle_preprocessor_switch(DLIB_USE_MKL_FFT)
endif()
endif()
endif()
if (DLIB_USE_CUDA)
find_package(CUDAToolkit)
if (CUDAToolkit_FOUND AND CUDAToolkit_NVCC_EXECUTABLE)
set(CMAKE_CUDA_COMPILER ${CUDAToolkit_NVCC_EXECUTABLE})
# Set USER_DID_NOT_SPECIFY_WHAT_CUDA_ARCH_TO_USE before calling
# enable_language(CUDA) because enable_language() sets
# CMAKE_CUDA_ARCHITECTURES to a default that isn't especially
# helpful for most users in newer cmake versions. E.g. it picks
# the oldest supported arch the cuda toolkit you have can build for
# which is often so old your GPU can't actually run the resulting
# kernels.
set(USER_DID_NOT_SPECIFY_WHAT_CUDA_ARCH_TO_USE FALSE)
if (NOT DEFINED CMAKE_CUDA_ARCHITECTURES AND (NOT DEFINED ENV{CUDAARCHS} OR "$ENV{CUDAARCHS}" STREQUAL ""))
set(USER_DID_NOT_SPECIFY_WHAT_CUDA_ARCH_TO_USE TRUE)
endif()
enable_language(CUDA)
# If the user didn't say what cuda arch they want to use try to pick something reasonable
if(USER_DID_NOT_SPECIFY_WHAT_CUDA_ARCH_TO_USE)
if (CMAKE_VERSION VERSION_GREATER_EQUAL 3.24)
# Auto-detect host GPU(s); safest default on modern CMake.
set(CMAKE_CUDA_ARCHITECTURES native) # requires CMake ≥ 3.24
else()
# Fallback by nvcc version to avoid asking for archs it doesn't know yet
if (CMAKE_CUDA_COMPILER_VERSION VERSION_LESS 11)
# CUDA 10.x and older
set(CMAKE_CUDA_ARCHITECTURES 52;60;61;70;75)
elseif (CMAKE_CUDA_COMPILER_VERSION VERSION_LESS 12)
# CUDA 11.x
set(CMAKE_CUDA_ARCHITECTURES 60;61;70;75;80;86)
elseif (CMAKE_CUDA_COMPILER_VERSION VERSION_LESS 13)
# CUDA 12.x
# (Keep this conservative; add 89/90 only on toolkits that support them.)
set(CMAKE_CUDA_ARCHITECTURES 70;75;80;86;89;90)
else()
# CUDA 13.x+
# (Keep this conservative; add 89/90 only on toolkits that support them.)
set(CMAKE_CUDA_ARCHITECTURES 75;80;86;89;90)
endif()
endif()
endif()
find_package(CUDNN)
if(CUDNN_FOUND)
set(source_files ${source_files}
cuda/cuda_dlib.cu
cuda/cudnn_dlibapi.cpp
cuda/cublas_dlibapi.cpp
cuda/cusolver_dlibapi.cu
cuda/curand_dlibapi.cpp
cuda/cuda_data_ptr.cpp
cuda/gpu_data.cpp
)
list (APPEND dlib_needed_private_libraries CUDA::cublas)
list (APPEND dlib_needed_private_libraries ${CUDNN_LIBRARY_PATH})
list (APPEND dlib_needed_private_libraries CUDA::curand)
list (APPEND dlib_needed_private_libraries CUDA::cusolver)
list (APPEND dlib_needed_private_libraries CUDA::cudart)
if(openmp_libraries)
list (APPEND dlib_needed_private_libraries ${openmp_libraries})
endif()
include_directories(${CUDAToolkit_INCLUDE_DIRS} ${CUDNN_INCLUDE_PATH})
message(STATUS "Enabling CUDA support for dlib. DLIB WILL USE CUDA using cuda arch ${CMAKE_CUDA_ARCHITECTURES}. If you don't want to use that arch set the CUDAARCHS env var or CMAKE_CUDA_ARCHITECTURES cmake variable.")
else()
set(DLIB_USE_CUDA OFF CACHE STRING ${DLIB_USE_BLAS_STR} FORCE )
toggle_preprocessor_switch(DLIB_USE_CUDA)
message(STATUS "DID NOT FIND CUDNN")
message(STATUS "Disabling CUDA support for dlib. DLIB WILL NOT USE CUDA")
endif()
else()
set(DLIB_USE_CUDA OFF CACHE STRING ${DLIB_USE_BLAS_STR} FORCE )
toggle_preprocessor_switch(DLIB_USE_CUDA)
if (NOT CUDA_FOUND)
message(STATUS "DID NOT FIND CUDA")
endif()
message(STATUS "Disabling CUDA support for dlib. DLIB WILL NOT USE CUDA")
endif()
endif()
if (DLIB_LINK_WITH_SQLITE3)
find_library(sqlite sqlite3)
# make sure sqlite3.h is in the include path
find_path(sqlite_path sqlite3.h)
if (sqlite AND sqlite_path)
list (APPEND dlib_needed_public_includes ${sqlite_path})
list (APPEND dlib_needed_public_libraries ${sqlite} )
else()
set(DLIB_LINK_WITH_SQLITE3 OFF CACHE STRING ${DLIB_LINK_WITH_SQLITE3_STR} FORCE )
endif()
mark_as_advanced(sqlite sqlite_path)
endif()
if (DLIB_USE_FFTW)
find_library(fftw fftw3)
# make sure fftw3.h is in the include path
find_path(fftw_path fftw3.h)
if (fftw AND fftw_path)
list (APPEND dlib_needed_private_includes ${fftw_path})
list (APPEND dlib_needed_private_libraries ${fftw})
else()
set(DLIB_USE_FFTW OFF CACHE STRING ${DLIB_USE_FFTW_STR} FORCE )
toggle_preprocessor_switch(DLIB_USE_FFTW)
endif()
mark_as_advanced(fftw fftw_path)
endif()
if (DLIB_USE_FFMPEG)
include(cmake_utils/find_ffmpeg.cmake)
if (FFMPEG_FOUND)
list (APPEND dlib_needed_public_includes ${FFMPEG_INCLUDE_DIRS})
list (APPEND dlib_needed_public_libraries ${FFMPEG_LINK_LIBRARIES})
list (APPEND dlib_needed_public_cflags ${FFMPEG_CFLAGS})
list (APPEND dlib_needed_public_ldflags ${FFMPEG_LDFLAGS})
enable_preprocessor_switch(DLIB_USE_FFMPEG)
else()
set(DLIB_USE_FFMPEG OFF CACHE BOOL ${DLIB_USE_FFMPEG_STR} FORCE )
disable_preprocessor_switch(DLIB_USE_FFMPEG)
endif()
endif()
add_library(dlib ${source_files})
endif () ##### end of if NOT DLIB_ISO_CPP_ONLY ##########################################################
target_include_directories(dlib
INTERFACE $CMAKE_CURRENT_SOURCE_DIR}/..>
INTERFACE $
PUBLIC ${dlib_needed_public_includes}
PRIVATE ${dlib_needed_private_includes}
)
target_link_libraries(dlib PUBLIC ${dlib_needed_public_libraries} ${dlib_needed_public_ldflags})
target_link_libraries(dlib PRIVATE ${dlib_needed_private_libraries})
target_compile_options(dlib PUBLIC ${dlib_needed_public_cflags})
if (DLIB_IN_PROJECT_BUILD)
target_compile_options(dlib PUBLIC ${active_preprocessor_switches})
else()
# These are private in this case because they will be controlled by the
# contents of dlib/config.h once it's installed. But for in project
# builds, there is no real config.h so they are public in the above case.
target_compile_options(dlib PRIVATE ${active_preprocessor_switches})
# Do this so that dlib/config.h won't set DLIB_NOT_CONFIGURED. This will then allow
# the code in dlib/threads_kernel_shared.cpp to emit a linker error for users who
# don't use the configured config.h file generated by cmake.
target_compile_options(dlib PRIVATE -DDLIB__CMAKE_GENERATED_A_CONFIG_H_FILE)
# Do this so that dlib/config.h can record the version of dlib it's configured with
# and ultimately issue a linker error to people who try to use a binary dlib that is
# the wrong version.
set(DLIB_CHECK_FOR_VERSION_MISMATCH
DLIB_VERSION_MISMATCH_CHECK__EXPECTED_VERSION_${CPACK_PACKAGE_VERSION_MAJOR}_${CPACK_PACKAGE_VERSION_MINOR}_${CPACK_PACKAGE_VERSION_PATCH})
target_compile_options(dlib PRIVATE "-DDLIB_CHECK_FOR_VERSION_MISMATCH=${DLIB_CHECK_FOR_VERSION_MISMATCH}")
endif()
# Allow the unit tests to ask us to compile the all/source.cpp file just to make sure it compiles.
if (DLIB_TEST_COMPILE_ALL_SOURCE_CPP)
add_library(dlib_all_source_cpp STATIC all/source.cpp)
target_link_libraries(dlib_all_source_cpp dlib)
target_compile_options(dlib_all_source_cpp PUBLIC ${active_preprocessor_switches})
target_compile_features(dlib_all_source_cpp PUBLIC cxx_std_17)
endif()
target_compile_features(dlib PUBLIC cxx_std_17)
if (DLIB_USE_CUDA)
target_compile_features(dlib PRIVATE cuda_std_17)
endif()
# Build-tree clients share dlib's compiler, so forward the options detected
# above to them. Do not put those options in the installed target, where
# dlibConfig.cmake recreates them for the consuming compiler's frontend.
target_compile_options(dlib INTERFACE "$:${active_compile_opts}>>")
target_compile_options(dlib PRIVATE $<$:${active_compile_opts}>)
target_compile_options(dlib PRIVATE $<$:${active_compile_opts_private}>)
# Install the library
if (NOT DLIB_IN_PROJECT_BUILD)
string (REPLACE ";" " " pkg_config_dlib_needed_libraries "${dlib_needed_public_libraries}")
# Make the -I include options for pkg-config
foreach (ITR ${dlib_needed_public_includes})
set (pkg_config_dlib_needed_includes "${pkg_config_dlib_needed_includes} -I${ITR}")
endforeach()
set_target_properties(dlib PROPERTIES
VERSION ${VERSION})
install(TARGETS dlib
EXPORT dlib
RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR} # Windows considers .dll to be runtime artifacts
LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR})
install(DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/ DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}/dlib
FILES_MATCHING
PATTERN "*.h"
PATTERN "*.cmake"
PATTERN "*_tutorial.txt"
PATTERN "cassert"
PATTERN "cstring"
PATTERN "fstream"
PATTERN "iomanip"
PATTERN "iosfwd"
PATTERN "iostream"
PATTERN "istream"
PATTERN "locale"
PATTERN "ostream"
PATTERN "sstream"
REGEX "${CMAKE_CURRENT_BINARY_DIR}" EXCLUDE)
configure_file(${PROJECT_SOURCE_DIR}/config.h.in ${CMAKE_CURRENT_BINARY_DIR}/config.h)
# overwrite config.h with the configured one
install(FILES ${CMAKE_CURRENT_BINARY_DIR}/config.h DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}/dlib)
configure_file(${PROJECT_SOURCE_DIR}/revision.h.in ${CMAKE_CURRENT_BINARY_DIR}/revision.h)
install(FILES ${CMAKE_CURRENT_BINARY_DIR}/revision.h DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}/dlib)
## Config.cmake generation and installation
set(ConfigPackageLocation "${CMAKE_INSTALL_LIBDIR}/cmake/dlib")
install(EXPORT dlib
NAMESPACE dlib::
DESTINATION ${ConfigPackageLocation})
configure_file(cmake_utils/dlibConfig.cmake.in "${CMAKE_CURRENT_BINARY_DIR}/config/dlibConfig.cmake" @ONLY)
include(CMakePackageConfigHelpers)
write_basic_package_version_file(
"${CMAKE_CURRENT_BINARY_DIR}/config/dlibConfigVersion.cmake"
VERSION ${VERSION}
COMPATIBILITY AnyNewerVersion
)
install(FILES
"${CMAKE_CURRENT_BINARY_DIR}/config/dlibConfig.cmake"
"${CMAKE_CURRENT_BINARY_DIR}/config/dlibConfigVersion.cmake"
DESTINATION ${ConfigPackageLocation})
## dlib-1.pc generation and installation
configure_file("cmake_utils/dlib.pc.in" "dlib-1.pc" @ONLY)
install(FILES "${CMAKE_CURRENT_BINARY_DIR}/dlib-1.pc"
DESTINATION "${CMAKE_INSTALL_LIBDIR}/pkgconfig")
# Add a cpack "package" target. This will create an archive containing
# the built library file, the header files, and cmake and pkgconfig
# configuration files.
include(CPack)
endif()
endif()
if (MSVC)
# Give the output library files names that are unique functions of the
# visual studio mode that compiled them. We do this so that people who
# compile dlib and then copy the .lib files around (which they shouldn't be
# doing in the first place!) will hopefully be slightly less confused by
# what happens since, at the very least, the filenames will indicate what
# visual studio runtime they go with.
math(EXPR numbits ${CMAKE_SIZEOF_VOID_P}*8)
set_target_properties(dlib PROPERTIES DEBUG_POSTFIX "${VERSION}_debug_${numbits}bit_msvc${MSVC_VERSION}")
set_target_properties(dlib PROPERTIES RELEASE_POSTFIX "${VERSION}_release_${numbits}bit_msvc${MSVC_VERSION}")
set_target_properties(dlib PROPERTIES MINSIZEREL_POSTFIX "${VERSION}_minsizerel_${numbits}bit_msvc${MSVC_VERSION}")
set_target_properties(dlib PROPERTIES RELWITHDEBINFO_POSTFIX "${VERSION}_relwithdebinfo_${numbits}bit_msvc${MSVC_VERSION}")
endif()
# Check if we are being built as part of a pybind11 module.
if (COMMAND pybind11_add_module)
# Don't export unnecessary symbols.
set_target_properties(dlib PROPERTIES CXX_VISIBILITY_PRESET "hidden")
set_target_properties(dlib PROPERTIES CUDA_VISIBILITY_PRESET "hidden")
endif()
if (WIN32 AND mkl_iomp_dll)
# If we are using the Intel MKL on windows then try and copy the iomp dll
# file to the output folder. We do this since a very large number of
# windows users don't understand that they need to add the Intel MKL's
# folders to their PATH to use the Intel MKL. They then complain on the
# dlib forums. Copying the Intel MKL dlls to the output directory removes
# the need to add the Intel MKL to the PATH.
if (CMAKE_LIBRARY_OUTPUT_DIRECTORY)
add_custom_command(TARGET dlib POST_BUILD
# In some newer versions of windows/visual studio the output Config folder doesn't
# exist at first, so you can't copy to it unless you make it yourself. So make
# sure the target folder exists first.
COMMAND ${CMAKE_COMMAND} -E make_directory "${CMAKE_LIBRARY_OUTPUT_DIRECTORY}/"
COMMAND ${CMAKE_COMMAND} -E copy "${mkl_iomp_dll}" "${CMAKE_LIBRARY_OUTPUT_DIRECTORY}/"
)
else()
add_custom_command(TARGET dlib POST_BUILD
# In some newer versions of windows/visual studio the output Config folder doesn't
# exist at first, so you can't copy to it unless you make it yourself. So make
# sure the target folder exists first.
COMMAND ${CMAKE_COMMAND} -E make_directory "${CMAKE_BINARY_DIR}/$/"
COMMAND ${CMAKE_COMMAND} -E copy "${mkl_iomp_dll}" "${CMAKE_BINARY_DIR}/$/"
)
endif()
endif()
add_library(dlib::dlib ALIAS dlib)