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Diffstat (limited to 'Modules/FindJava.cmake')
| -rw-r--r-- | Modules/FindJava.cmake | 229 |
1 files changed, 229 insertions, 0 deletions
diff --git a/Modules/FindJava.cmake b/Modules/FindJava.cmake new file mode 100644 index 0000000..9e43174 --- /dev/null +++ b/Modules/FindJava.cmake @@ -0,0 +1,229 @@ +#.rst: +# FindJava +# -------- +# +# Find Java +# +# This module finds if Java is installed and determines where the +# include files and libraries are. The caller may set variable JAVA_HOME +# to specify a Java installation prefix explicitly. +# +# This module sets the following result variables: +# +# :: +# +# Java_JAVA_EXECUTABLE = the full path to the Java runtime +# Java_JAVAC_EXECUTABLE = the full path to the Java compiler +# Java_JAVAH_EXECUTABLE = the full path to the Java header generator +# Java_JAVADOC_EXECUTABLE = the full path to the Java documention generator +# Java_JAR_EXECUTABLE = the full path to the Java archiver +# Java_VERSION_STRING = Version of java found, eg. 1.6.0_12 +# Java_VERSION_MAJOR = The major version of the package found. +# Java_VERSION_MINOR = The minor version of the package found. +# Java_VERSION_PATCH = The patch version of the package found. +# Java_VERSION_TWEAK = The tweak version of the package found (after '_') +# Java_VERSION = This is set to: $major.$minor.$patch(.$tweak) +# +# +# +# The minimum required version of Java can be specified using the +# standard CMake syntax, e.g. find_package(Java 1.5) +# +# NOTE: ${Java_VERSION} and ${Java_VERSION_STRING} are not guaranteed to +# be identical. For example some java version may return: +# Java_VERSION_STRING = 1.5.0_17 and Java_VERSION = 1.5.0.17 +# +# another example is the Java OEM, with: Java_VERSION_STRING = 1.6.0-oem +# and Java_VERSION = 1.6.0 +# +# For these components the following variables are set: +# +# :: +# +# Java_FOUND - TRUE if all components are found. +# Java_INCLUDE_DIRS - Full paths to all include dirs. +# Java_LIBRARIES - Full paths to all libraries. +# Java_<component>_FOUND - TRUE if <component> is found. +# +# +# +# Example Usages: +# +# :: +# +# find_package(Java) +# find_package(Java COMPONENTS Runtime) +# find_package(Java COMPONENTS Development) + +#============================================================================= +# Copyright 2002-2009 Kitware, Inc. +# Copyright 2009-2011 Mathieu Malaterre <mathieu.malaterre@gmail.com> +# +# Distributed under the OSI-approved BSD License (the "License"); +# see accompanying file Copyright.txt for details. +# +# This software is distributed WITHOUT ANY WARRANTY; without even the +# implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. +# See the License for more information. +#============================================================================= +# (To distribute this file outside of CMake, substitute the full +# License text for the above reference.) + +include(${CMAKE_CURRENT_LIST_DIR}/CMakeFindJavaCommon.cmake) + +# The HINTS option should only be used for values computed from the system. +set(_JAVA_HINTS) +if(_JAVA_HOME) + list(APPEND _JAVA_HINTS ${_JAVA_HOME}/bin) +endif() +list(APPEND _JAVA_HINTS + "[HKEY_LOCAL_MACHINE\\SOFTWARE\\JavaSoft\\Java Development Kit\\2.0;JavaHome]/bin" + "[HKEY_LOCAL_MACHINE\\SOFTWARE\\JavaSoft\\Java Development Kit\\1.9;JavaHome]/bin" + "[HKEY_LOCAL_MACHINE\\SOFTWARE\\JavaSoft\\Java Development Kit\\1.8;JavaHome]/bin" + "[HKEY_LOCAL_MACHINE\\SOFTWARE\\JavaSoft\\Java Development Kit\\1.7;JavaHome]/bin" + "[HKEY_LOCAL_MACHINE\\SOFTWARE\\JavaSoft\\Java Development Kit\\1.6;JavaHome]/bin" + "[HKEY_LOCAL_MACHINE\\SOFTWARE\\JavaSoft\\Java Development Kit\\1.5;JavaHome]/bin" + "[HKEY_LOCAL_MACHINE\\SOFTWARE\\JavaSoft\\Java Development Kit\\1.4;JavaHome]/bin" + "[HKEY_LOCAL_MACHINE\\SOFTWARE\\JavaSoft\\Java Development Kit\\1.3;JavaHome]/bin" + ) +# Hard-coded guesses should still go in PATHS. This ensures that the user +# environment can always override hard guesses. +set(_JAVA_PATHS + /usr/lib/java/bin + /usr/share/java/bin + /usr/local/java/bin + /usr/local/java/share/bin + /usr/java/j2sdk1.4.2_04 + /usr/lib/j2sdk1.4-sun/bin + /usr/java/j2sdk1.4.2_09/bin + /usr/lib/j2sdk1.5-sun/bin + /opt/sun-jdk-1.5.0.04/bin + /usr/local/jdk-1.7.0/bin + /usr/local/jdk-1.6.0/bin + ) +find_program(Java_JAVA_EXECUTABLE + NAMES java + HINTS ${_JAVA_HINTS} + PATHS ${_JAVA_PATHS} +) + +if(Java_JAVA_EXECUTABLE) + execute_process(COMMAND ${Java_JAVA_EXECUTABLE} -version + RESULT_VARIABLE res + OUTPUT_VARIABLE var + ERROR_VARIABLE var # sun-java output to stderr + OUTPUT_STRIP_TRAILING_WHITESPACE + ERROR_STRIP_TRAILING_WHITESPACE) + if( res ) + if(var MATCHES "No Java runtime present, requesting install") + set_property(CACHE Java_JAVA_EXECUTABLE + PROPERTY VALUE "Java_JAVA_EXECUTABLE-NOTFOUND") + elseif(${Java_FIND_REQUIRED}) + message( FATAL_ERROR "Error executing java -version" ) + else() + message( STATUS "Warning, could not run java -version") + endif() + else() + # extract major/minor version and patch level from "java -version" output + # Tested on linux using + # 1. Sun / Sun OEM + # 2. OpenJDK 1.6 + # 3. GCJ 1.5 + # 4. Kaffe 1.4.2 + # 5. OpenJDK 1.7.x on OpenBSD + if(var MATCHES "java version \"([0-9]+\\.[0-9]+\\.[0-9_.]+.*)\"") + # This is most likely Sun / OpenJDK, or maybe GCJ-java compat layer + set(Java_VERSION_STRING "${CMAKE_MATCH_1}") + elseif(var MATCHES "java full version \"kaffe-([0-9]+\\.[0-9]+\\.[0-9_]+)\"") + # Kaffe style + set(Java_VERSION_STRING "${CMAKE_MATCH_1}") + elseif(var MATCHES "openjdk version \"([0-9]+\\.[0-9]+\\.[0-9_]+.*)\"") + # OpenJDK ver 1.7.x on OpenBSD + set(Java_VERSION_STRING "${CMAKE_MATCH_1}") + else() + if(NOT Java_FIND_QUIETLY) + message(WARNING "regex not supported: ${var}. Please report") + endif() + endif() + string( REGEX REPLACE "([0-9]+).*" "\\1" Java_VERSION_MAJOR "${Java_VERSION_STRING}" ) + string( REGEX REPLACE "[0-9]+\\.([0-9]+).*" "\\1" Java_VERSION_MINOR "${Java_VERSION_STRING}" ) + string( REGEX REPLACE "[0-9]+\\.[0-9]+\\.([0-9]+).*" "\\1" Java_VERSION_PATCH "${Java_VERSION_STRING}" ) + # warning tweak version can be empty: + string( REGEX REPLACE "[0-9]+\\.[0-9]+\\.[0-9]+[_\\.]?([0-9]*).*$" "\\1" Java_VERSION_TWEAK "${Java_VERSION_STRING}" ) + if( Java_VERSION_TWEAK STREQUAL "" ) # check case where tweak is not defined + set(Java_VERSION ${Java_VERSION_MAJOR}.${Java_VERSION_MINOR}.${Java_VERSION_PATCH}) + else() + set(Java_VERSION ${Java_VERSION_MAJOR}.${Java_VERSION_MINOR}.${Java_VERSION_PATCH}.${Java_VERSION_TWEAK}) + endif() + endif() + +endif() + + +find_program(Java_JAR_EXECUTABLE + NAMES jar + HINTS ${_JAVA_HINTS} + PATHS ${_JAVA_PATHS} +) + +find_program(Java_JAVAC_EXECUTABLE + NAMES javac + HINTS ${_JAVA_HINTS} + PATHS ${_JAVA_PATHS} +) + +find_program(Java_JAVAH_EXECUTABLE + NAMES javah + HINTS ${_JAVA_HINTS} + PATHS ${_JAVA_PATHS} +) + +find_program(Java_JAVADOC_EXECUTABLE + NAMES javadoc + HINTS ${_JAVA_HINTS} + PATHS ${_JAVA_PATHS} +) + +include(${CMAKE_CURRENT_LIST_DIR}/FindPackageHandleStandardArgs.cmake) +if(Java_FIND_COMPONENTS) + foreach(component ${Java_FIND_COMPONENTS}) + # User just want to execute some Java byte-compiled + if(component STREQUAL "Runtime") + find_package_handle_standard_args(Java + REQUIRED_VARS Java_JAVA_EXECUTABLE + VERSION_VAR Java_VERSION + ) + elseif(component STREQUAL "Development") + find_package_handle_standard_args(Java + REQUIRED_VARS Java_JAVA_EXECUTABLE Java_JAR_EXECUTABLE Java_JAVAC_EXECUTABLE + Java_JAVAH_EXECUTABLE Java_JAVADOC_EXECUTABLE + VERSION_VAR Java_VERSION + ) + else() + message(FATAL_ERROR "Comp: ${component} is not handled") + endif() + set(Java_${component}_FOUND TRUE) + endforeach() +else() + # Check for everything + find_package_handle_standard_args(Java + REQUIRED_VARS Java_JAVA_EXECUTABLE Java_JAR_EXECUTABLE Java_JAVAC_EXECUTABLE + Java_JAVAH_EXECUTABLE Java_JAVADOC_EXECUTABLE + VERSION_VAR Java_VERSION + ) +endif() + + +mark_as_advanced( + Java_JAVA_EXECUTABLE + Java_JAR_EXECUTABLE + Java_JAVAC_EXECUTABLE + Java_JAVAH_EXECUTABLE + Java_JAVADOC_EXECUTABLE + ) + +# LEGACY +set(JAVA_RUNTIME ${Java_JAVA_EXECUTABLE}) +set(JAVA_ARCHIVE ${Java_JAR_EXECUTABLE}) +set(JAVA_COMPILE ${Java_JAVAC_EXECUTABLE}) + |