On Tue, 6 Apr 2004, Matthias Czapla wrote: > Hi! > > Im want to check for the presence of the GNU Readline library in a > configure script. On some systems we need to link to another library > in addition to readline for some terminal functions (e.g. tgetent). > I tried this: > > AC_CHECK_LIB(readline, readline,, > AC_SEARCH_LIBS(tgetent, ncurses curses tinfo termcap) > AC_CHECK_LIB(readline, readline,, > AC_MSG_ERROR([readline not available]) > ) > ) > > This correctly determines the additional library required if the > test program used by configure doesnt compile with -lreadline > alone. However the second test for readline does not get invoked > because the result of the first test is cached. How can I tell > autoconf to forget the result of the first test before doing it > the second time? you'll have to set a shell variable and test that. -- Thomas E. Dickey http://invisible-island.net ftp://invisible-island.net
