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https://github.com/Kitware/CMake.git
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7406f0be82
Capture `execute_process` calls' `RESULT_VARIABLE`. We don't actually need to check the result as we presume the existing logic is already adequate, and sometimes programs return non-zero values as result of valid query. I.e. this is a "safe" way to broadly protect these scripts. Issue: #27782
36 lines
1.1 KiB
CMake
36 lines
1.1 KiB
CMake
# Distributed under the OSI-approved BSD 3-Clause License. See accompanying
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# file LICENSE.rst or https://cmake.org/licensing for details.
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# Do not include this module directly from code outside CMake!
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set(_JAVA_HOME "")
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if(JAVA_HOME AND IS_DIRECTORY "${JAVA_HOME}")
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set(_JAVA_HOME "${JAVA_HOME}")
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set(_JAVA_HOME_EXPLICIT 1)
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else()
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set(_ENV_JAVA_HOME "")
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if(DEFINED ENV{JAVA_HOME})
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file(TO_CMAKE_PATH "$ENV{JAVA_HOME}" _ENV_JAVA_HOME)
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endif()
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if(_ENV_JAVA_HOME AND IS_DIRECTORY "${_ENV_JAVA_HOME}")
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set(_JAVA_HOME "${_ENV_JAVA_HOME}")
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set(_JAVA_HOME_EXPLICIT 1)
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else()
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set(_CMD_JAVA_HOME "")
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if(APPLE AND EXISTS /usr/libexec/java_home)
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execute_process(COMMAND /usr/libexec/java_home
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OUTPUT_VARIABLE _CMD_JAVA_HOME
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OUTPUT_STRIP_TRAILING_WHITESPACE
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ERROR_QUIET
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RESULT_VARIABLE _result_java_home
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)
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endif()
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if(_CMD_JAVA_HOME AND IS_DIRECTORY "${_CMD_JAVA_HOME}")
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set(_JAVA_HOME "${_CMD_JAVA_HOME}")
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set(_JAVA_HOME_EXPLICIT 0)
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endif()
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unset(_CMD_JAVA_HOME)
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endif()
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unset(_ENV_JAVA_HOME)
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endif()
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