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if (APPLE)
find_path(READLINE_INCLUDE_DIR readline/readline.h /usr/local/opt/readline/include /opt/local/include /opt/include /usr/local/include /usr/include NO_DEFAULT_PATH)
endif()
find_path(READLINE_INCLUDE_DIR readline/readline.h)
if (APPLE)
find_library(READLINE_LIBRARY readline /usr/local/opt/readline/lib /opt/local/lib /opt/lib /usr/local/lib /usr/lib NO_DEFAULT_PATH)
endif()
find_library(READLINE_LIBRARY readline)
if (READLINE_INCLUDE_DIR AND READLINE_LIBRARY AND NOT GNU_READLINE_FOUND)
set(CMAKE_REQUIRED_INCLUDES "${READLINE_INCLUDE_DIR}")
set(CMAKE_REQUIRED_LIBRARIES "${READLINE_LIBRARY}")
include(CheckCXXSourceCompiles)
unset(GNU_READLINE_FOUND CACHE)
CHECK_CXX_SOURCE_COMPILES("#include <stdio.h>\n#include <readline/readline.h>\nint main() { rl_replace_line(\"\", 0); }" GNU_READLINE_FOUND)
if (NOT GNU_READLINE_FOUND)
unset(READLINE_INCLUDE_DIR CACHE)
unset(READLINE_LIBRARY CACHE)
endif()
endif()
include(FindPackageHandleStandardArgs)
FIND_PACKAGE_HANDLE_STANDARD_ARGS(Readline DEFAULT_MSG READLINE_INCLUDE_DIR READLINE_LIBRARY)
mark_as_advanced(READLINE_INCLUDE_DIR READLINE_LIBRARY)
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