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# cmake/modules/java.cmake
#
# Java binding configuration
#
# Copyright (C) 2006 Andrew Ross
#
# This file is part of PLplot.
#
# PLplot is free software; you can redistribute it and/or modify
# it under the terms of the GNU Library General Public License as published
# by the Free Software Foundation; version 2 of the License.
#
# PLplot is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Library General Public License for more details.
#
# You should have received a copy of the GNU Library General Public License
# along with the file PLplot; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
# Module for determining Java bindings configuration options
# Options to enable Java bindings
if(DEFAULT_NO_BINDINGS)
option(ENABLE_java "Enable Java bindings" OFF)
else(DEFAULT_NO_BINDINGS)
option(ENABLE_java "Enable Java bindings" ON)
endif(DEFAULT_NO_BINDINGS)
if(ENABLE_java AND NOT BUILD_SHARED_LIBS)
message(STATUS "WARNING: "
"Java requires shared libraries. Disabling java bindings")
set(ENABLE_java OFF CACHE BOOL "Enable Java bindings" FORCE)
endif(ENABLE_java AND NOT BUILD_SHARED_LIBS)
if(ENABLE_java AND NOT SWIG_FOUND)
message(STATUS "WARNING: "
"swig not found. Disabling java bindings")
set(ENABLE_java OFF CACHE BOOL "Enable Java bindings" FORCE)
endif(ENABLE_java AND NOT SWIG_FOUND)
if(ENABLE_java AND NOT PLPLOT_Java_COMPILER_WORKS)
workaround_9220(Java PLPLOT_Java_COMPILER_WORKS)
if(NOT PLPLOT_Java_COMPILER_WORKS)
message(STATUS "WARNING: no working Java compiler so disabling Java bindings and examples.")
set(ENABLE_java OFF CACHE BOOL "Enable Java bindings" FORCE)
endif(NOT PLPLOT_Java_COMPILER_WORKS)
endif(ENABLE_java AND NOT PLPLOT_Java_COMPILER_WORKS)
if(ENABLE_java)
# Find and check Java compiler.
enable_language(Java OPTIONAL)
if(NOT CMAKE_Java_COMPILER_WORKS)
message(STATUS "WARNING: no working Java compiler so disabling Java bindings and examples.")
set(ENABLE_java OFF CACHE BOOL "Enable java bindings" FORCE)
endif(NOT CMAKE_Java_COMPILER_WORKS)
endif(ENABLE_java)
if(ENABLE_java)
if(NOT CMAKE_Java_ARCHIVE)
message(STATUS "WARNING: java archiver (jar) not found. Disabling java bindings")
set(ENABLE_java OFF CACHE BOOL "Enable Java bindings" FORCE)
endif(NOT CMAKE_Java_ARCHIVE)
endif(ENABLE_java)
if(ENABLE_java)
# Check for java environment
find_package(JNI)
# If CMake doesn't find jni.h you need set CMAKE_INCLUDE_PATH
if(NOT JAVA_INCLUDE_PATH)
message(STATUS
"WARNING: jni.h header not found. Disabling Java bindings.\n"
" Please install that header and/or set the environment variable\n"
" CMAKE_INCLUDE_PATH appropriately."
)
set(ENABLE_java OFF CACHE BOOL "Enable Java bindings" FORCE)
endif(NOT JAVA_INCLUDE_PATH)
endif(ENABLE_java)
if(ENABLE_java)
# Set up installation locations for java specific files.
# Java .jar files.
set(JAR_DIR ${CMAKE_INSTALL_DATADIR}/java
CACHE PATH "PLplot jar file install location"
)
get_filename_component(JAVADATA_HARDDIR ${JAR_DIR} ABSOLUTE)
# JNI .so files.
set(JAVAWRAPPER_DIR ${LIB_DIR}/jni
CACHE PATH "PLplot java plugin install location"
)
get_filename_component(JAVAWRAPPER_HARDDIR ${JAVAWRAPPER_DIR} ABSOLUTE)
# Library name suffix is system dependent. Tests have shown
# that ${CMAKE_SHARED_LIBRARY_SUFFIX} gives the correct suffix on both
# Linux and windows, and from CMAKEPREFIX/share/cmake-2.4/Modules/Platform
# it appears this CMake variable is defined on Mac OS X and other platforms.
set(PLPLOTJAVAC_WRAP_DLL plplotjavac_wrap${CMAKE_SHARED_LIBRARY_SUFFIX})
endif(ENABLE_java)
# Set up java compiler flags and turn into a list suitable for add_custom_command
set(DEFAULT_JAVACFLAGS "")
set(JAVACFLAGS ${DEFAULT_JAVACFLAGS} CACHE STRING "Java compiler flags")
string(REGEX REPLACE " " ";" JAVACFLAGS "${JAVACFLAGS}")
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