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set(OPENCV_JAVA_SOURCE_VERSION "" CACHE STRING "Java source version (javac Ant target)")
set(OPENCV_JAVA_TARGET_VERSION "" CACHE STRING "Java target version (javac Ant target)")
file(TO_CMAKE_PATH "$ENV{ANT_DIR}" ANT_DIR_ENV_PATH)
file(TO_CMAKE_PATH "$ENV{ProgramFiles}" ProgramFiles_ENV_PATH)
if(CMAKE_HOST_WIN32)
set(ANT_NAME ant.bat)
else()
set(ANT_NAME ant)
endif()
find_host_program(ANT_EXECUTABLE NAMES ${ANT_NAME}
PATHS "${ANT_DIR_ENV_PATH}/bin" "${ProgramFiles_ENV_PATH}/apache-ant/bin"
NO_DEFAULT_PATH
)
find_host_program(ANT_EXECUTABLE NAMES ${ANT_NAME})
if(ANT_EXECUTABLE)
execute_process(COMMAND ${ANT_EXECUTABLE} -version
RESULT_VARIABLE ANT_ERROR_LEVEL
OUTPUT_VARIABLE ANT_VERSION_FULL
OUTPUT_STRIP_TRAILING_WHITESPACE)
if (ANT_ERROR_LEVEL)
unset(ANT_EXECUTABLE)
unset(ANT_EXECUTABLE CACHE)
else()
string(REGEX MATCH "[0-9]+.[0-9]+.[0-9]+" ANT_VERSION "${ANT_VERSION_FULL}")
set(ANT_VERSION "${ANT_VERSION}" CACHE INTERNAL "Detected ant version")
message(STATUS "Found apache ant: ${ANT_EXECUTABLE} (${ANT_VERSION})")
endif()
endif()
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