CMakeDetermineJavaCompiler.cmake 3.94 KB
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# determine the compiler to use for Java programs
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# NOTE, a generator may set CMAKE_Java_COMPILER before
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# loading this file to force a compiler.

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IF(NOT CMAKE_Java_COMPILER)
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  # prefer the environment variable CC
  IF($ENV{JAVA_COMPILER} MATCHES ".+")
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    GET_FILENAME_COMPONENT(CMAKE_Java_COMPILER_INIT $ENV{JAVA_COMPILER} PROGRAM PROGRAM_ARGS CMAKE_Java_FLAGS_ENV_INIT)
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    IF(CMAKE_Java_FLAGS_ENV_INIT)
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      SET(CMAKE_Java_COMPILER_ARG1 "${CMAKE_Java_FLAGS_ENV_INIT}" CACHE STRING "First argument to Java compiler")
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    ENDIF(CMAKE_Java_FLAGS_ENV_INIT)
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    IF(EXISTS ${CMAKE_Java_COMPILER_INIT})
    ELSE(EXISTS ${CMAKE_Java_COMPILER_INIT})
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      MESSAGE(SEND_ERROR "Could not find compiler set in environment variable JAVA_COMPILER:\n$ENV{JAVA_COMPILER}.") 
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    ENDIF(EXISTS ${CMAKE_Java_COMPILER_INIT})
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  ENDIF($ENV{JAVA_COMPILER} MATCHES ".+")

  IF($ENV{JAVA_RUNTIME} MATCHES ".+")
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    GET_FILENAME_COMPONENT(CMAKE_Java_RUNTIME_INIT $ENV{JAVA_RUNTIME} PROGRAM PROGRAM_ARGS CMAKE_Java_FLAGS_ENV_INIT)
    IF(EXISTS ${CMAKE_Java_RUNTIME_INIT})
    ELSE(EXISTS ${CMAKE_Java_RUNTIME_INIT})
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      MESSAGE(SEND_ERROR "Could not find compiler set in environment variable JAVA_RUNTIME:\n$ENV{JAVA_RUNTIME}.") 
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    ENDIF(EXISTS ${CMAKE_Java_RUNTIME_INIT})
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  ENDIF($ENV{JAVA_RUNTIME} MATCHES ".+")

  IF($ENV{JAVA_ARCHIVE} MATCHES ".+")
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    GET_FILENAME_COMPONENT(CMAKE_Java_ARCHIVE_INIT $ENV{JAVA_ARCHIVE} PROGRAM PROGRAM_ARGS CMAKE_Java_FLAGS_ENV_INIT)
    IF(EXISTS ${CMAKE_Java_ARCHIVE_INIT})
    ELSE(EXISTS ${CMAKE_Java_ARCHIVE_INIT})
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      MESSAGE(SEND_ERROR "Could not find compiler set in environment variable JAVA_ARCHIVE:\n$ENV{JAVA_ARCHIVE}.") 
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    ENDIF(EXISTS ${CMAKE_Java_ARCHIVE_INIT})
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  ENDIF($ENV{JAVA_ARCHIVE} MATCHES ".+")

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  SET(Java_BIN_PATH
    "[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"
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    "[HKEY_LOCAL_MACHINE\\SOFTWARE\\JavaSoft\\Java Development Kit\\1.4;JavaHome]/bin"
    "[HKEY_LOCAL_MACHINE\\SOFTWARE\\JavaSoft\\Java Development Kit\\1.3;JavaHome]/bin"
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    /usr/bin
    /usr/lib/java/bin
    /usr/share/java/bin
    /usr/local/bin
    /usr/local/java/bin
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    /usr/java/j2sdk1.4.2_04
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    /usr/lib/j2sdk1.4-sun/bin
    /usr/lib/j2sdk1.5-sun/bin
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    )
  # if no compiler has been specified yet, then look for one
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  IF(CMAKE_Java_COMPILER_INIT)
    SET(CMAKE_Java_COMPILER ${CMAKE_Java_COMPILER_INIT} CACHE PATH "Java Compiler")
  ELSE(CMAKE_Java_COMPILER_INIT)
    FIND_PROGRAM(CMAKE_Java_COMPILER
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      NAMES javac
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      PATHS ${Java_BIN_PATH}
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    )    
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  ENDIF(CMAKE_Java_COMPILER_INIT)
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  # if no runtime has been specified yet, then look for one
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  IF(CMAKE_Java_RUNTIME_INIT)
    SET(CMAKE_Java_RUNTIME ${CMAKE_Java_RUNTIME_INIT} CACHE PATH "Java Compiler")
  ELSE(CMAKE_Java_RUNTIME_INIT)
    FIND_PROGRAM(CMAKE_Java_RUNTIME
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      NAMES java
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      PATHS ${Java_BIN_PATH}
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    )    
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  ENDIF(CMAKE_Java_RUNTIME_INIT)
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  # if no archive has been specified yet, then look for one
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  IF(CMAKE_Java_ARCHIVE_INIT)
    SET(CMAKE_Java_ARCHIVE ${CMAKE_Java_ARCHIVE_INIT} CACHE PATH "Java Compiler")
  ELSE(CMAKE_Java_ARCHIVE_INIT)
    FIND_PROGRAM(CMAKE_Java_ARCHIVE
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      NAMES jar
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      PATHS ${Java_BIN_PATH}
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    )    
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  ENDIF(CMAKE_Java_ARCHIVE_INIT)
ENDIF(NOT CMAKE_Java_COMPILER)
MARK_AS_ADVANCED(CMAKE_Java_COMPILER)  
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# configure variables set in this file for fast reload later on
CONFIGURE_FILE(${CMAKE_ROOT}/Modules/CMakeJavaCompiler.cmake.in 
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  ${CMAKE_BINARY_DIR}/CMakeFiles/CMakeJavaCompiler.cmake IMMEDIATE @ONLY)
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MARK_AS_ADVANCED(CMAKE_AR CMAKE_Java_COMPILER_FULLPATH)
SET(CMAKE_Java_COMPILER_ENV_VAR "JAVA_COMPILER")