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@ -27,7 +27,10 @@ AC_DEFUN([AX_PATH_LIB_READLINE],
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AC_MSG_ERROR([readline library not found])
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)dnl
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AS_VAR_SET([READLINE_CFLAGS], ["-I$with_readline/include"])
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AS_VAR_SET([READLINE_SAVED_LDFLAGS], ["$LDFLAGS"])
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LNAV_ADDTO(CPPFLAGS, ["-I$with_readline/include"])
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dnl We want the provided path to be the first in the search order.
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LDFLAGS="-L$with_readline/lib $LDFLAGS"
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]dnl
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)
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@ -43,6 +46,18 @@ AC_DEFUN([AX_PATH_LIB_READLINE],
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[AC_MSG_ERROR([readline headers not found])]
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)
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dnl Ensure that the readline library has the required symbols.
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dnl i.e. We haven't picked up editline.
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AC_SEARCH_LIBS([history_set_history_state], [readline],
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[
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AS_VAR_SET_IF([READLINE_SAVED_LDFLAGS],
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AS_VAR_SET([LDFLAGS], ["$READLINE_SAVED_LDFLAGS"])
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)
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],
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AC_MSG_ERROR([libreadline does not have the required symbols. editline possibly masquerading as readline.])
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[$CURSES]
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)
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AC_SUBST([READLINE_LIBS])
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AC_SUBST([READLINE_CFLAGS])
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]dnl
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