diff --git a/doc/havelib.texi b/doc/havelib.texi index a776d52..59126c7 100644 --- a/doc/havelib.texi +++ b/doc/havelib.texi @@ -79,6 +79,17 @@ when linking with libtool. Both @code{LTLIB<@var{NAME}>} and @samp{-Wl,-rpath}, @code{LTLIB<@var{NAME}>} contains platform independent flags like @samp{-R}. +If you, by mistake, use @code{LIB<@var{NAME}>} instead of +@code{LTLIB<@var{NAME}>} when linking with libtool, you will observe that the +binaries created in the build dir will prefer the shared libraries in the +installation directories over the shared libraries in the build dir; this can +lead to all sorts of build failures, test failures, or crashes!
It would be more correct to refer to the "wrapper scripts created in the build dir". +If you, on the other hand, by mistake, use @code{LTLIB<@var{NAME}>} instead of +@code{LIB<@var{NAME}>} when linking @emph{without} libtool, you will observe +build failures, because the @samp{-R} options contained @code{LTLIB<@var{NAME}>} +are not valid options to compilers such as GCC. + @unnumberedsubsubsec Example of using @code{AC_LIB_LINKFLAGS} Suppose you want to use @code{libz}, the compression library.