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dnl readline.m4
dnl mdbtools specific version
dnl TODO: Check if official version works then add serial
AC_DEFUN([VL_LIB_READLINE], [
AC_CACHE_CHECK([for a readline compatible library],
vl_cv_lib_readline, [
ORIG_LIBS="$LIBS"
for readline_lib in readline edit editline; do
for termcap_lib in "" termcap curses ncurses; do
TRY_LIB="-l$readline_lib"
if test -n "$termcap_lib"; then
TRY_LIB="$TRY_LIB -l$termcap_lib"
fi
LIBS="$ORIG_LIBS $TRY_LIB"
AC_TRY_LINK_FUNC(readline, vl_cv_lib_readline=yes)
if test "$vl_cv_lib_readline" = yes; then
break
fi
done
if test "$vl_cv_lib_readline" = yes; then
break
fi
done
])
if test "$vl_cv_lib_readline" = yes; then
AC_DEFINE(HAVE_LIBREADLINE, 1,
[Define if you have a readline compatible library])
AC_CHECK_HEADERS(readline.h readline/readline.h)
AC_CACHE_CHECK([whether readline supports history],
vl_cv_lib_readline_history, [
AC_TRY_LINK_FUNC(add_history, vl_cv_lib_readline_history=yes)
])
if test "$vl_cv_lib_readline_history" = yes; then
AC_DEFINE(HAVE_READLINE_HISTORY, 1,
[Define if your readline library has \`add_history'])
AC_CHECK_HEADERS(history.h readline/history.h)
fi
fi
LIBS="$ORIG_LIBS"
LIBREADLINE=
if test "$vl_cv_lib_readline" = yes; then
LIBREADLINE="$TRY_LIB"
fi
AC_SUBST(LIBREADLINE)
])dnl
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