Blame build/cmake/FindLibGCC.cmake

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# - Find libgcc
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# Find the libgcc library.
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#
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#  LIBGCC_LIBRARIES      - List of libraries when using libgcc
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#  LIBGCC_FOUND          - True if libgcc found.
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IF (LIBGCC_LIBRARY)
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  # Already in cache, be silent
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  SET(LIBGCC_FIND_QUIETLY TRUE)
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ENDIF (LIBGCC_LIBRARY)
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FIND_LIBRARY(LIBGCC_LIBRARY NAMES gcc libgcc)
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# handle the QUIETLY and REQUIRED arguments and set LIBGCC_FOUND to TRUE if 
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# all listed variables are TRUE
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INCLUDE(FindPackageHandleStandardArgs)
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FIND_PACKAGE_HANDLE_STANDARD_ARGS(LIBGCC DEFAULT_MSG LIBGCC_LIBRARY)
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IF(LIBGCC_FOUND)
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  SET(LIBGCC_LIBRARIES ${LIBGCC_LIBRARY})
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  SET(HAVE_LIBGCC 1)
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ENDIF(LIBGCC_FOUND)