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# Copyright 2020 Google LLC.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# https://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
cmake_minimum_required(VERSION 2.8.7)
project(sjpeg
LANGUAGES C CXX)
set(CMAKE_C_STANDARD 99)
set(CMAKE_CXX_STANDARD 11)
# Options for coder / decoder executables.
option(SJPEG_ENABLE_SIMD "Enable any SIMD optimization." ON)
option(SJPEG_BUILD_EXAMPLES "Build the sjpeg / vjpeg command line tools." ON)
set(SJPEG_DEP_LIBRARIES)
set(SJPEG_DEP_INCLUDE_DIRS)
if(NOT CMAKE_BUILD_TYPE)
set(CMAKE_BUILD_TYPE "Release" CACHE STRING
"Build type: Release, Debug or RelWithDebInfo" FORCE
)
endif()
include(GNUInstallDirs)
set(PROJECT_VERSION 0.1)
################################################################################
# Android only.
if(ANDROID)
include_directories(${SJPEG_ANDROID_NDK_PATH}/sources/android/cpufeatures)
add_library(cpufeatures
STATIC ${SJPEG_ANDROID_NDK_PATH}/sources/android/cpufeatures/cpu-features.c
)
target_link_libraries(cpufeatures dl)
set(SJPEG_DEP_LIBRARIES ${SJPEG_DEP_LIBRARIES} cpufeatures)
set(SJPEG_DEP_INCLUDE_DIRS ${SJPEG_DEP_INCLUDE_DIRS}
${SJPEG_ANDROID_NDK_PATH}/sources/android/cpufeatures
)
endif()
## Check for SIMD extensions.
include(${CMAKE_CURRENT_LIST_DIR}/cmake/cpu.cmake)
################################################################################
# sjpeg source files.
# Build the sjpeg library.
include_directories(${CMAKE_CURRENT_SOURCE_DIR}/src/ ${SJPEG_DEP_INCLUDE_DIRS})
add_library(sjpeg ${CMAKE_CURRENT_SOURCE_DIR}/src/bit_writer.cc
${CMAKE_CURRENT_SOURCE_DIR}/src/bit_writer.h
${CMAKE_CURRENT_SOURCE_DIR}/src/colors_rgb.cc
${CMAKE_CURRENT_SOURCE_DIR}/src/dichotomy.cc
${CMAKE_CURRENT_SOURCE_DIR}/src/enc.cc
${CMAKE_CURRENT_SOURCE_DIR}/src/fdct.cc
${CMAKE_CURRENT_SOURCE_DIR}/src/headers.cc
${CMAKE_CURRENT_SOURCE_DIR}/src/md5sum.h
${CMAKE_CURRENT_SOURCE_DIR}/src/jpeg_tools.cc
${CMAKE_CURRENT_SOURCE_DIR}/src/score_7.cc
${CMAKE_CURRENT_SOURCE_DIR}/src/sjpeg.h
${CMAKE_CURRENT_SOURCE_DIR}/src/sjpegi.h
${CMAKE_CURRENT_SOURCE_DIR}/src/yuv_convert.cc
)
if(SJPEG_DEP_LIBRARIES)
target_link_libraries(sjpeg ${SJPEG_DEP_LIBRARIES})
endif()
# Make sure the OBJECT libraries are built with position independent code
# (it is not ON by default).
set_target_properties(sjpeg PROPERTIES POSITION_INDEPENDENT_CODE ON)
# Set the version numbers.
set_target_properties(sjpeg PROPERTIES VERSION ${PROJECT_VERSION}
SOVERSION ${PROJECT_VERSION})
# Find the standard image libraries.
set(SJPEG_DEP_IMG_LIBRARIES)
set(SJPEG_DEP_IMG_INCLUDE_DIRS)
foreach(I_LIB PNG JPEG)
find_package(${I_LIB})
set(SJPEG_HAVE_${I_LIB} ${${I_LIB}_FOUND})
if(${I_LIB}_FOUND)
set(SJPEG_DEP_IMG_LIBRARIES ${SJPEG_DEP_IMG_LIBRARIES}
${${I_LIB}_LIBRARIES})
set(SJPEG_DEP_IMG_INCLUDE_DIRS ${SJPEG_DEP_IMG_INCLUDE_DIRS}
${${I_LIB}_INCLUDE_DIRS})
endif()
endforeach()
# Find the OpenGL/GLUT libraries.
set(SJPEG_DEP_GL_LIBRARIES)
set(SJPEG_DEP_GL_INCLUDE_DIRS)
find_package(OpenGL)
if(OPENGL_gl_LIBRARY)
set(SJPEG_DEP_GL_LIBRARIES
${SJPEG_DEP_GL_LIBRARIES} ${OPENGL_gl_LIBRARY})
set(SJPEG_DEP_GL_INCLUDE_DIRS
${SJPEG_DEP_GL_INCLUDE_DIRS} ${OPENGL_INCLUDE_DIR})
set(SJPEG_HAVE_OPENGL TRUE)
endif()
find_package(GLUT)
if(GLUT_FOUND)
set(SJPEG_DEP_GL_LIBRARIES
${SJPEG_DEP_GL_LIBRARIES} ${GLUT_glut_LIBRARY})
set(SJPEG_DEP_GL_INCLUDE_DIRS
${SJPEG_DEP_GL_INCLUDE_DIRS} ${GLUT_INCLUDE_DIR})
set(SJPEG_HAVE_GLUT TRUE)
endif()
# build the sjpeg-utils library
include_directories(${SJPEG_DEP_IMG_INCLUDE_DIRS})
add_library(sjpeg-utils
${CMAKE_CURRENT_SOURCE_DIR}/examples/utils.cc
${CMAKE_CURRENT_SOURCE_DIR}/examples/utils.h
)
if(WIN32)
# quiet warnings related to fopen, sscanf
target_compile_definitions(sjpeg-utils PRIVATE _CRT_SECURE_NO_WARNINGS)
endif()
if(SJPEG_HAVE_OPENGL)
# check pthread for GL libraries
set(THREADS_PREFER_PTHREAD_FLAG ON)
find_package(Threads)
if(Threads_FOUND)
if(CMAKE_USE_PTHREADS_INIT)
list(APPEND SJPEG_DEP_GL_LIBRARIES ${CMAKE_THREAD_LIBS_INIT})
endif()
endif()
target_compile_definitions(sjpeg-utils PUBLIC SJPEG_HAVE_OPENGL)
add_definitions(${OPENGL_DEFINITIONS})
endif()
if(SJPEG_HAVE_GLUT)
add_definitions(${GLUT_DEFINITIONS})
endif()
if(SJPEG_HAVE_JPEG)
target_compile_definitions(sjpeg-utils PUBLIC SJPEG_HAVE_JPEG)
endif()
if(SJPEG_HAVE_PNG)
target_compile_definitions(sjpeg-utils PUBLIC SJPEG_HAVE_PNG)
endif()
if(SJPEG_DEP_IMG_LIBRARIES)
# check pthread for GL libraries
target_link_libraries(sjpeg-utils ${SJPEG_DEP_IMG_LIBRARIES}
${SJPEG_DEP_GL_LIBRARIES})
endif()
# set_target_properties(sjpeg-utils PROPERTIES POSITION_INDEPENDENT_CODE ON)
# Build the executables if asked for.
if(SJPEG_BUILD_EXAMPLES)
# sjpeg
add_executable(sjpeg-bin ${CMAKE_CURRENT_SOURCE_DIR}/examples/sjpeg.cc)
target_link_libraries(sjpeg-bin sjpeg sjpeg-utils)
set_target_properties(sjpeg-bin PROPERTIES OUTPUT_NAME sjpeg)
# vjpeg
include_directories(${SJPEG_DEP_GL_INCLUDE_DIRS})
add_executable(vjpeg ${CMAKE_CURRENT_SOURCE_DIR}/examples/vjpeg.cc)
# Force to link against pthread.
include(CheckCXXSourceCompiles)
set(CMAKE_REQUIRED_FLAGS_INI ${CMAKE_REQUIRED_FLAGS})
set(CMAKE_REQUIRED_FLAGS "-Wl,--no-as-needed")
check_cxx_source_compiles("int main(void){return 0;}" FLAG_NO_AS_NEEDED)
set(CMAKE_REQUIRED_FLAGS ${CMAKE_REQUIRED_FLAGS_INI})
if(FLAG_NO_AS_NEEDED)
target_link_libraries(vjpeg "-Wl,--no-as-needed")
endif()
# check whether we need to include GLUT/glut.h or GL/glut.h
include(CheckIncludeFileCXX)
check_include_file_cxx(GLUT/glut.h HAVE_GLUT_GLUT_H)
check_include_file_cxx(GL/glut.h HAVE_GL_GLUT_H)
if(HAVE_GLUT_GLUT_H)
add_definitions(-DHAVE_GLUT_GLUT_H)
elseif(HAVE_GL_GLUT_H)
add_definitions(-DHAVE_GL_GLUT_H)
endif()
target_link_libraries(vjpeg ${SJPEG_DEP_GL_LIBRARIES} sjpeg sjpeg-utils)
install(TARGETS sjpeg-bin vjpeg RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR})
endif()
# Install the different headers and libraries.
install(FILES ${CMAKE_CURRENT_SOURCE_DIR}/src/sjpeg.h
DESTINATION ${CMAKE_INSTALL_INCLUDEDIR})
install(TARGETS sjpeg
LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR})
# Create the CMake version file.
include(CMakePackageConfigHelpers)
write_basic_package_version_file(
"${CMAKE_CURRENT_BINARY_DIR}/sjpegConfigVersion.cmake"
VERSION ${PROJECT_VERSION}
COMPATIBILITY AnyNewerVersion
)
# Create the Config file.
include(CMakePackageConfigHelpers)
set(ConfigPackageLocation ${CMAKE_INSTALL_DATADIR}/sjpeg/cmake/)
configure_package_config_file(
${CMAKE_CURRENT_SOURCE_DIR}/cmake/sjpegConfig.cmake.in
${CMAKE_CURRENT_BINARY_DIR}/sjpegConfig.cmake
INSTALL_DESTINATION ${ConfigPackageLocation}
)
# Install the generated CMake files.
install(
FILES "${CMAKE_CURRENT_BINARY_DIR}/sjpegConfigVersion.cmake"
"${CMAKE_CURRENT_BINARY_DIR}/sjpegConfig.cmake"
DESTINATION ${ConfigPackageLocation}
)
################################################################################
# Man page.
install(FILES ${CMAKE_CURRENT_SOURCE_DIR}/man/sjpeg.1
${CMAKE_CURRENT_SOURCE_DIR}/man/vjpeg.1
DESTINATION ${CMAKE_INSTALL_MANDIR}/man1)
message(STATUS "<<< Gentoo configuration >>>
Build type ${CMAKE_BUILD_TYPE}
Install path ${CMAKE_INSTALL_PREFIX}
Compiler flags:
C ${CMAKE_C_FLAGS}
C++ ${CMAKE_CXX_FLAGS}
Linker flags:
Executable ${CMAKE_EXE_LINKER_FLAGS}
Module ${CMAKE_MODULE_LINKER_FLAGS}
Shared ${CMAKE_SHARED_LINKER_FLAGS}\n")
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