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dnl stolen from libgadu
dnl Rewritten from scratch. --wojtekka
dnl
AC_DEFUN([AC_CHECK_READLINE],[
AC_SUBST(READLINE_LIBS)
AC_SUBST(READLINE_INCLUDES)
AC_ARG_WITH(readline,
[[ --with-readline[=dir] Compile with readline/locate base dir]],
if test "x$withval" = "xno" ; then
without_readline=yes
elif test "x$withval" != "xyes" ; then
with_arg="$withval/include:-L$withval/lib $withval/include/readline:-L$withval/lib"
fi)
if test "x$without_readline" != "xyes"; then
AC_MSG_CHECKING(for readline.h)
for i in $with_arg \
/usr/include: \
/usr/local/include:-L/usr/local/lib \
/usr/freeware/include:-L/usr/freeware/lib32 \
/usr/pkg/include:-L/usr/pkg/lib \
/sw/include:-L/sw/lib \
/cw/include:-L/cw/lib \
/net/caladium/usr/people/piotr.nba/temp/pkg/include:-L/net/caladium/usr/people/piotr.nba/temp/pkg/lib \
/boot/home/config/include:-L/boot/home/config/lib; do
incl=`echo "$i" | sed 's/:.*//'`
lib=`echo "$i" | sed 's/.*://'`
have_readline=no
if test -f $incl/readline/readline.h ; then
AC_MSG_RESULT($incl/readline/readline.h)
READLINE_LIBS="$lib -lreadline"
if test "$incl" != "/usr/include"; then
READLINE_INCLUDES="-I$incl/readline -I$incl"
else
READLINE_INCLUDES="-I$incl/readline"
fi
have_readline=yes
break
elif test -f $incl/readline.h -a "x$incl" != "x/usr/include"; then
AC_MSG_RESULT($incl/readline.h)
READLINE_LIBS="$lib -lreadline"
READLINE_INCLUDES="-I$incl"
have_readline=yes
break
fi
done
if test "$have_readline" = yes; then
dnl Check to see if ncurses is needed.
dnl Debian's libreadline is linked against ncurses,
dnl but others' may not be.
READLINE_LIBS_TEMP="$LIBS"
READLINE_LDFLAGS_TEMP="$LDFLAGS"
LIBS=''
AC_MSG_NOTICE([checking whether libreadline is linked against libncurses])
AC_CHECK_LIB([readline], [cbreak])
if test "$LIBS" = ''; then
LIBS=''
LDFLAGS="$READLINE_LDFLAGS_TEMP"
AC_CHECK_LIB([ncurses], [cbreak])
if test "$LIBS" = ''; then
AC_MSG_NOTICE([libreadline is not linked against libncurses, and I can't find it - disabling])
have_readline=no
else
READLINE_LIBS="$READLINE_LIBS $LIBS"
AC_MSG_NOTICE([libreadline is not linked against libncurses; adding $LIBS])
fi
else
AC_MSG_NOTICE([libreadline is linked against libncurses])
fi
LIBS="$READLINE_LIBS_TEMP"
LDFLAGS="$READLINE_LDFLAGS_TEMP"
else
AC_MSG_RESULT(not found)
fi
if test "$have_readline" = yes; then
AC_DEFINE(HAVE_READLINE, 1, [define if You want readline])
fi
fi
])
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