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2026-06-14 19:09:18 +01:00

128 lines
4.1 KiB
CMake

# Copyright (c) 2021, Shukant Pal and Contributors
# SPDX-License-Identifier: Apache-2.0
# This ugliness is to workaround that, unless JAVA_HOME is explicitly set,
# FindJNI tries to find a Java framework even though recent Java versions,
# such as we need, are not Frameworks so the search fails. This is still the
# case in CMake 3.19.2. Even if this is fixed in the latest CMake, due to some
# of our CI build environments we can't use it.
if(DEFINED CMAKE_FIND_FRAMEWORK)
set(SAVED_CMAKE_FIND_FRAMEWORK ${CMAKE_FIND_FRAMEWORK})
endif()
set(CMAKE_FIND_FRAMEWORK NEVER)
find_package(JNI 11 REQUIRED)
if(DEFINED SAVED_CMAKE_FIND_FRAMEWORK)
set(CMAKE_FIND_FRAMEWORK ${SAVED_CMAKE_FIND_FRAMEWORK})
endif()
if(WIN32)
set(maven_cmd "mvn.cmd")
else()
set(maven_cmd "mvn")
endif()
find_program(MAVEN_EXECUTABLE ${maven_cmd}
DOC "Location of `mvn` or (on Windows) `mvn.cmd` executable"
PATHS $ENV{PATH}
)
add_library(ktx-jni SHARED
src/main/cpp/KtxTexture.cpp
src/main/cpp/KtxTexture1.cpp
src/main/cpp/KtxTexture2.cpp
src/main/cpp/KtxErrorCode.cpp
src/main/cpp/libktx-jni.cpp
${CMAKE_CURRENT_BINARY_DIR}/ktx-jni.manifest
)
configure_file(src/main/cpp/ktx-jni.manifest.in ktx-jni.manifest)
target_include_directories(ktx-jni SYSTEM PRIVATE
${JNI_INCLUDE_DIRS}
)
set_target_properties(ktx-jni PROPERTIES
LIBRARY_OUTPUT_DIRECTORY ${KTX_BUILD_DIR}/$<CONFIG>
VERSION ${PROJECT_VERSION}
SOVERSION ${PROJECT_VERSION_MAJOR}
XCODE_ATTRIBUTE_ENABLE_HARDENED_RUNTIME "YES"
)
# The location of libktx_jni must be set explicitly in java.library.path.
# This sets places to search for libktx when loading libktx_jni. Setting
# "./" here, to say look in the same directory, does not work.
if(APPLE)
set_target_properties(ktx-jni PROPERTIES
# @executable_path does not work as the executable here is the JVM.
INSTALL_RPATH "@loader_path;/usr/local/${CMAKE_INSTALL_LIBDIR}"
)
elseif(LINUX)
set_target_properties(ktx-jni PROPERTIES
# Reportedly ld.so when loading a .so with a DT_RUNPATH of $ORIGIN
# searches first in the directory of the .so then in the directory
# of the application that is loading the first .so. See
# https://stackoverflow.com/questions/23006930/the-shared-library-rpath-and-the-binary-rpath-priority/52647116#52647116
INSTALL_RPATH "$ORIGIN;/usr/local/${CMAKE_INSTALL_LIBDIR}"
)
endif()
set_code_sign(ktx-jni)
if(APPLE AND KTX_EMBED_BITCODE)
target_compile_options(ktx-jni PRIVATE "-fembed-bitcode")
endif()
target_include_directories(ktx-jni PRIVATE include)
target_link_libraries(ktx-jni ktx)
if(APPLE OR LINUX)
install(TARGETS ktx-jni
LIBRARY
DESTINATION ${CMAKE_INSTALL_LIBDIR}
COMPONENT jni
)
else()
install(TARGETS ktx-jni LIBRARY
RUNTIME
DESTINATION ${CMAKE_INSTALL_BINDIR}
COMPONENT jni
)
endif()
add_custom_command(
OUTPUT
${CMAKE_SOURCE_DIR}/interface/java_binding/target/libktx-${PROJECT_VERSION}-sources.jar
${CMAKE_SOURCE_DIR}/interface/java_binding/target/libktx-${PROJECT_VERSION}.jar
COMMAND
${MAVEN_EXECUTABLE} --quiet -Drevision=${PROJECT_VERSION} -Dmaven.test.skip=true package
DEPENDS
ktx-jni
WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}/interface/java_binding
)
add_custom_target( ktx-jar ALL
DEPENDS
${CMAKE_SOURCE_DIR}/interface/java_binding/target/libktx-${PROJECT_VERSION}-sources.jar
${CMAKE_SOURCE_DIR}/interface/java_binding/target/libktx-${PROJECT_VERSION}.jar
WORKING_DIRECTORY
${CMAKE_SOURCE_DIR}/interface/java_binding
COMMENT
"Java wrapper target"
)
install(FILES
${CMAKE_SOURCE_DIR}/interface/java_binding/target/libktx-${PROJECT_VERSION}.jar
TYPE LIB
COMPONENT jni
)
add_test( NAME Java-wrapper
COMMAND ${MAVEN_EXECUTABLE} --quiet -Drevision=${PROJECT_VERSION} test
WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}/interface/java_binding
)
set_tests_properties(
Java-wrapper
PROPERTIES
ENVIRONMENT _JAVA_OPTIONS=-Djava.library.path=$<TARGET_GENEX_EVAL:ktx-jni,$<TARGET_PROPERTY:ktx-jni,LIBRARY_OUTPUT_DIRECTORY>>
)
# vim:ai:ts=4:sts=4:sw=2:expandtab