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# Copyright (c) the JPEG XL Project Authors. All rights reserved.
#
# Use of this source code is governed by a BSD-style
# license that can be found in the LICENSE file.
include(jxl_lists.cmake)
set(JPEGLI_INTERNAL_LIBS
hwy
Threads::Threads
${ATOMICS_LIBRARIES}
)
# JPEGLIB setup
set(BITS_IN_JSAMPLE 8)
set(MEM_SRCDST_SUPPORTED 1)
if(JPEGLI_LIBJPEG_LIBRARY_SOVERSION STREQUAL "62")
set(JPEG_LIB_VERSION 62)
elseif(JPEGLI_LIBJPEG_LIBRARY_SOVERSION STREQUAL "7")
set(JPEG_LIB_VERSION 70)
elseif(JPEGLI_LIBJPEG_LIBRARY_SOVERSION STREQUAL "8")
set(JPEG_LIB_VERSION 80)
endif()
configure_file(
../third_party/libjpeg-turbo/jconfig.h.in include/jpegli/jconfig.h)
configure_file(
../third_party/libjpeg-turbo/jpeglib.h include/jpegli/jpeglib.h COPYONLY)
configure_file(
../third_party/libjpeg-turbo/jmorecfg.h include/jpegli/jmorecfg.h COPYONLY)
add_library(jpegli-static STATIC EXCLUDE_FROM_ALL "${JPEGXL_INTERNAL_JPEGLI_SOURCES}")
target_compile_options(jpegli-static PRIVATE "${JPEGXL_INTERNAL_FLAGS}")
target_compile_options(jpegli-static PUBLIC ${JPEGXL_COVERAGE_FLAGS})
set_property(TARGET jpegli-static PROPERTY POSITION_INDEPENDENT_CODE ON)
target_include_directories(jpegli-static PRIVATE
"$<BUILD_INTERFACE:${PROJECT_SOURCE_DIR}>"
"$<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/include>"
"$<BUILD_INTERFACE:${CMAKE_CURRENT_BINARY_DIR}/include>"
"${JXL_HWY_INCLUDE_DIRS}"
)
target_include_directories(jpegli-static PUBLIC
"$<BUILD_INTERFACE:${CMAKE_CURRENT_BINARY_DIR}/include/jpegli>"
)
target_link_libraries(jpegli-static PUBLIC ${JPEGLI_INTERNAL_LIBS})
#
# Tests for jpegli-static
#
find_package(JPEG)
if(JPEG_FOUND AND BUILD_TESTING)
# TODO(eustas): merge into jxl_tests.cmake?
add_library(jpegli_libjpeg_util-obj OBJECT
${JPEGXL_INTERNAL_JPEGLI_LIBJPEG_HELPER_FILES}
)
target_include_directories(jpegli_libjpeg_util-obj PRIVATE
"${PROJECT_SOURCE_DIR}"
"${JPEG_INCLUDE_DIRS}"
)
target_compile_options(jpegli_libjpeg_util-obj PRIVATE
"${JPEGXL_INTERNAL_FLAGS}" "${JPEGXL_COVERAGE_FLAGS}")
# Individual test binaries:
file(MAKE_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/tests)
foreach (TESTFILE IN LISTS JPEGXL_INTERNAL_JPEGLI_TESTS)
# The TESTNAME is the name without the extension or directory.
get_filename_component(TESTNAME ${TESTFILE} NAME_WE)
add_executable(${TESTNAME} ${TESTFILE}
$<TARGET_OBJECTS:jpegli_libjpeg_util-obj>
${JPEGXL_INTERNAL_JPEGLI_TESTLIB_FILES}
)
target_compile_options(${TESTNAME} PRIVATE
${JPEGXL_INTERNAL_FLAGS}
# Add coverage flags to the test binary so code in the private headers of
# the library is also instrumented when running tests that execute it.
${JPEGXL_COVERAGE_FLAGS}
)
target_compile_definitions(${TESTNAME} PRIVATE
-DTEST_DATA_PATH="${JPEGXL_TEST_DATA_PATH}")
target_include_directories(${TESTNAME} PRIVATE
"${PROJECT_SOURCE_DIR}"
"${CMAKE_CURRENT_SOURCE_DIR}/include"
"${CMAKE_CURRENT_BINARY_DIR}/include"
)
target_link_libraries(${TESTNAME}
hwy
jpegli-static
GTest::GTest
GTest::Main
${JPEG_LIBRARIES}
)
set_target_properties(${TESTNAME} PROPERTIES LINK_FLAGS "${JPEGXL_COVERAGE_LINK_FLAGS}")
# Output test targets in the test directory.
set_target_properties(${TESTNAME} PROPERTIES PREFIX "tests/")
if (WIN32 AND CMAKE_CXX_COMPILER_ID STREQUAL "Clang")
set_target_properties(${TESTNAME} PROPERTIES COMPILE_FLAGS "-Wno-error")
endif ()
# 240 seconds because some build types (e.g. coverage) can be quite slow.
gtest_discover_tests(${TESTNAME} DISCOVERY_TIMEOUT 240)
endforeach ()
endif()
#
# Build libjpeg.so that links to libjpeg-static
#
if (JPEGXL_ENABLE_JPEGLI_LIBJPEG AND NOT APPLE AND NOT WIN32 AND NOT EMSCRIPTEN)
add_library(jpegli-libjpeg-obj OBJECT "${JPEGXL_INTERNAL_JPEGLI_WRAPPER_SOURCES}")
target_compile_options(jpegli-libjpeg-obj PRIVATE ${JPEGXL_INTERNAL_FLAGS})
target_compile_options(jpegli-libjpeg-obj PUBLIC ${JPEGXL_COVERAGE_FLAGS})
set_property(TARGET jpegli-libjpeg-obj PROPERTY POSITION_INDEPENDENT_CODE ON)
target_include_directories(jpegli-libjpeg-obj PRIVATE
"$<BUILD_INTERFACE:${PROJECT_SOURCE_DIR}>"
"$<BUILD_INTERFACE:${CMAKE_CURRENT_BINARY_DIR}/include/jpegli>"
)
target_compile_definitions(jpegli-libjpeg-obj PUBLIC
${JPEGLI_LIBJPEG_OBJ_COMPILE_DEFINITIONS}
)
set(JPEGLI_LIBJPEG_INTERNAL_OBJECTS $<TARGET_OBJECTS:jpegli-libjpeg-obj>)
file(MAKE_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/jpegli)
add_library(jpeg SHARED ${JPEGLI_LIBJPEG_INTERNAL_OBJECTS})
target_link_libraries(jpeg PUBLIC ${JPEGXL_COVERAGE_FLAGS})
target_link_libraries(jpeg PRIVATE jpegli-static)
set_target_properties(jpeg PROPERTIES
VERSION ${JPEGLI_LIBJPEG_LIBRARY_VERSION}
SOVERSION ${JPEGLI_LIBJPEG_LIBRARY_SOVERSION}
LIBRARY_OUTPUT_DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}/jpegli"
RUNTIME_OUTPUT_DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}/jpegli")
# Add a jpeg.version file as a version script to tag symbols with the
# appropriate version number.
set_target_properties(jpeg PROPERTIES
LINK_DEPENDS ${CMAKE_CURRENT_SOURCE_DIR}/jpegli/jpeg.version.${JPEGLI_LIBJPEG_LIBRARY_SOVERSION})
set_property(TARGET jpeg APPEND_STRING PROPERTY
LINK_FLAGS " -Wl,--version-script=${CMAKE_CURRENT_SOURCE_DIR}/jpegli/jpeg.version.${JPEGLI_LIBJPEG_LIBRARY_SOVERSION}")
if (JPEGXL_INSTALL_JPEGLI_LIBJPEG)
install(TARGETS jpeg
RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}
LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR})
install(
DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}/include/jpegli/"
DESTINATION "${CMAKE_INSTALL_INCLUDEDIR}")
endif()
# This hides the default visibility symbols from static libraries bundled into
# the shared library. In particular this prevents exposing symbols from hwy
# in the shared library.
if(LINKER_SUPPORT_EXCLUDE_LIBS)
set_property(TARGET jpeg APPEND_STRING PROPERTY
LINK_FLAGS " ${LINKER_EXCLUDE_LIBS_FLAG}")
endif()
endif()