Build: Custom target for generating JNI headers

diff --git a/java/CMakeLists.txt b/java/CMakeLists.txt
index 4d4f9c63d9ff5ae01afc5ac5bcd0c25b6e326956..75a0b24e39a53241ff1e37eda70c32035d01b421 100644 (file)
--- a/java/CMakeLists.txt
+++ b/java/CMakeLists.txt
@@ -57,6 +57,12 @@ endif()
 
 add_custom_target(javadoc COMMAND
   javadoc -notimestamp -d ${CMAKE_CURRENT_SOURCE_DIR}/doc -sourcepath ${CMAKE_CURRENT_SOURCE_DIR} org.libjpegturbo.turbojpeg)
+set(JAVACLASSPATH ${CMAKE_CURRENT_BINARY_DIR}/${CMAKE_FILES_DIRECTORY}/turbojpeg-java.dir)
+add_custom_target(javah
+       COMMAND javah -d ${CMAKE_CURRENT_SOURCE_DIR} -classpath ${JAVACLASSPATH} org.libjpegturbo.turbojpeg.TJ
+       COMMAND javah -d ${CMAKE_CURRENT_SOURCE_DIR} -classpath ${JAVACLASSPATH} org.libjpegturbo.turbojpeg.TJCompressor
+       COMMAND javah -d ${CMAKE_CURRENT_SOURCE_DIR} -classpath ${JAVACLASSPATH} org.libjpegturbo.turbojpeg.TJDecompressor
+       COMMAND javah -d ${CMAKE_CURRENT_SOURCE_DIR} -classpath ${JAVACLASSPATH} org.libjpegturbo.turbojpeg.TJTransformer)
 
 if(NOT DEFINED CMAKE_INSTALL_DEFAULT_JAVADIR)
   set(CMAKE_INSTALL_DEFAULT_JAVADIR "<CMAKE_INSTALL_DATAROOTDIR>/java")