diff options
| -rw-r--r-- | Modules/FindJava.cmake | 101 |
1 files changed, 91 insertions, 10 deletions
diff --git a/Modules/FindJava.cmake b/Modules/FindJava.cmake index 4fddfeef37..befa0d5065 100644 --- a/Modules/FindJava.cmake +++ b/Modules/FindJava.cmake @@ -3,13 +3,19 @@ # include files and libraries are. This code sets the following # variables: # -# JAVA_RUNTIME = the full path to the Java runtime -# JAVA_COMPILE = the full path to the Java compiler -# JAVA_ARCHIVE = the full path to the Java archiver +# Java_JAVA_EXECUTABLE = the full path to the Java runtime +# Java_JAVA_EXECUTABLE = the full path to the Java compiler +# Java_JAVA_EXECUTABLE = the full path to the Java archiver +# Java_VERSION_STRING = Version of the package found (java version) +# 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. +# The patch version may contains underscore '_' # #============================================================================= # Copyright 2002-2009 Kitware, Inc. +# Copyright 2009 Mathieu Malaterre <mathieu.malaterre@gmail.com> # # Distributed under the OSI-approved BSD License (the "License"); # see accompanying file Copyright.txt for details. @@ -43,23 +49,98 @@ SET(JAVA_BIN_PATH /usr/lib/j2sdk1.5-sun/bin /opt/sun-jdk-1.5.0.04/bin ) -FIND_PROGRAM(JAVA_RUNTIME +FIND_PROGRAM(Java_JAVA_EXECUTABLE NAMES java PATHS ${JAVA_BIN_PATH} + NO_DEFAULT_PATH ) -FIND_PROGRAM(JAVA_ARCHIVE +IF(Java_JAVA_EXECUTABLE) + EXECUTE_PROCESS(COMMAND ${Java_JAVA_EXECUTABLE} -version + RESULT_VARIABLE res + OUTPUT_VARIABLE var + ERROR_VARIABLE var # sun-java output to stderr + OUTPUT_STRIP_TRAILING_WHITESPACE + ERROR_STRIP_TRAILING_WHITESPACE) + IF( res ) + MESSAGE( FATAL_ERROR "Error executing java -version" ) + ELSE() + # extract major/minor version and patch level from "java -version" output + # Tested on linux using + # 1. Sun + # 2. OpenJDK 1.6 + # 3. GCJ 1.5 + STRING( REGEX REPLACE ".* version \"([0-9]+\\.[0-9]+\\.[0-9_]+).*" + "\\1" Java_VERSION_STRING "${var}" ) + STRING( REGEX REPLACE ".* version \"([0-9]+)\\.[0-9]+\\.[0-9_]+.*" + "\\1" Java_VERSION_MAJOR "${var}" ) + STRING( REGEX REPLACE ".* version \"[0-9]+\\.([0-9]+)\\.[0-9_]+.*" + "\\1" Java_VERSION_MINOR "${var}" ) + STRING( REGEX REPLACE ".* version \"[0-9]+\\.[0-9]+\\.([0-9_]+).*" + "\\1" Java_VERSION_PATCH "${var}" ) + # display info + MESSAGE( STATUS "Java version ${Java_VERSION_STRING} configured successfully!" ) + MESSAGE( STATUS "Java version ${Java_VERSION_MAJOR}.${Java_VERSION_MINOR} configured successfully!" ) + ENDIF() + + # If any version numbers are given to the command it will set the + # following variables before loading the module: + # + # XXX_FIND_VERSION = full requested version string + # XXX_FIND_VERSION_MAJOR = major version if requested, else 0 + # XXX_FIND_VERSION_MINOR = minor version if requested, else 0 + # XXX_FIND_VERSION_PATCH = patch version if requested, else 0 + # XXX_FIND_VERSION_TWEAK = tweak version if requested, else 0 + # XXX_FIND_VERSION_COUNT = number of version components, 0 to 4 + # XXX_FIND_VERSION_EXACT = true if EXACT option was given + set(_java_version_acceptable TRUE) + if( Java_FIND_VERSION ) + if( Java_FIND_VERSION_MAJOR GREATER Java_VERSION_MAJOR ) + set(_java_version_acceptable FALSE) + endif( Java_FIND_VERSION_MAJOR GREATER Java_VERSION_MAJOR ) + if( Java_FIND_VERSION_MINOR GREATER Java_VERSION_MINOR ) + set(_java_version_acceptable FALSE) + endif( Java_FIND_VERSION_MINOR GREATER Java_VERSION_MINOR ) + # Is it exact ? + if( Java_FIND_VERSION_EXACT ) + # since GREATER operation worked ok, simply check LESS operation + if( Java_FIND_VERSION_MAJOR LESS Java_VERSION_MAJOR ) + set(_java_version_acceptable FALSE) + endif( Java_FIND_VERSION_MAJOR LESS Java_VERSION_MAJOR ) + if( Java_FIND_VERSION_MINOR LESS Java_VERSION_MINOR ) + set(_java_version_acceptable FALSE) + endif( Java_FIND_VERSION_MINOR LESS Java_VERSION_MINOR ) + endif( Java_FIND_VERSION_EXACT ) + else( Java_FIND_VERSION ) + # no version requested we are all set + endif( Java_FIND_VERSION ) + +ENDIF(Java_JAVA_EXECUTABLE) + + +FIND_PROGRAM(Java_JAR_EXECUTABLE NAMES jar PATHS ${JAVA_BIN_PATH} + NO_DEFAULT_PATH ) -FIND_PROGRAM(JAVA_COMPILE +FIND_PROGRAM(Java_JAVAC_EXECUTABLE NAMES javac PATHS ${JAVA_BIN_PATH} + NO_DEFAULT_PATH ) -MARK_AS_ADVANCED( -JAVA_RUNTIME -JAVA_ARCHIVE -JAVA_COMPILE +include(FindPackageHandleStandardArgs) +find_package_handle_standard_args(Java DEFAULT_MSG + Java_JAVA_EXECUTABLE + Java_JAR_EXECUTABLE + Java_JAVAC_EXECUTABLE + _java_version_acceptable ) + + +# LEGACY +SET(JAVA_RUNTIME ${Java_JAVA_EXECUTABLE}) +SET(JAVA_ARCHIVE ${Java_JAR_EXECUTABLE}) +SET(JAVA_COMPILE ${Java_JAVAC_EXECUTABLE}) + |