John Calcote <john.calcote@xxxxxxxxx> writes:
> If your project uses libxml's API, then you as the maintainer should
> be very aware of requisite dependencies of that library. The
> AC_CHECK_LIB macro accepts a fifth argument, other-libraries, which is
> a whitespace-separated list of dependent libraries (actually
> command-line options, e.g., [-lzlib -lpthread -lX11]) that are
> required by the primary library that you're checking for. Note,
> however, that if you've already tested for the presence of any of
> these 2nd and 3rd level libraries in previous AC_CHECK_LIB tests, then
> these references will already be in the LIBS variable, and thus used
> in this test automatically.
It's too bad how complicated it gets sometimes, though. On first
reading, I thought that maybe the following quote from the GNU
libplot manual had some kind of embedded joke that I was missing:
To link your application with GNU `libplot', you would use the
appropriate `-l' option(s) on the command line when compiling it. You
would use
-lplot -lXaw -lXmu -lXt -lXext -lX11 -lpng -lz -lm
or, in recent releases of the X Window System,
-lplot -lXaw -lXmu -lXt -lSM -lICE -lXext -lX11 -lpng -lz -lm
These linking options assume that your version of `libplot' has been
compiled with PNG support; if not, you would omit the `-lpng -lz'
options.
As an alternative to the preceding, you may need to use `-lplot -lXm
-lXt -lXext -lX11 -lpng -lz -lm', `-lplot -lXm -lXt -lXext -lX11 -lpng
-lz -lm -lc -lgen', or `-lplot -lXm -lXt -lXext -lX11 -lpng -lz -lm -lc
-lPW', on systems that provide Motif widgets instead of Athena widgets.
In recent releases of the X Window System, you would insert `-lSM
-lICE'. Recent releases of Motif require `-lXp' and possibly `-lXpm'
as well.)
--
Ben Pfaff
http://benpfaff.org
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