Re: [Plplot-devel] Autoheadaches [was: Re: Make of plplot-5.2.0 fails ...]

[Maurice L. <mj...@ga...>]

Rafael Laboissiere writes:
 > I think that the right approach to this is to create a top-level config.h
 > file (eventually using autoheader) that will contain all the defines that
 > shouldn't appear in the user namespace and remove them from plConfig.h.  In
 > plConfig.h, we add: 
 > 
 >       #if HAVE_CONFIG_H
 >       #  include <config.h>
 >       #endif
 > 
 > Remeber that -DHAVE_CONFIG_H is automatically added by automake to the
 > CFLAGS when the package is built, so the scheme above should work.
 > 
 > Now, when users will compile their applications linked against the PLplot
 > library, the config.h file will not be included, unless they (foolishly and
 > unnecessarily) #define HAVE_CONFIG_H.
 > 
 > In configure.ac, we should use:
 > 
 >     AC_CONFIG_HEADERS([config.h include/plConfig.h include/plDevs.h])
 > 
 > Notice that there is a beneficial side-effect to this: many of the
 > autoheader problems that we were experiencing may be fixed, since autoheader
 > only acts on the first argument of the macro AC_CONFIG_HEADERS.
 > 
 > What do you think?

If this works the way you describe, it sounds great.

-- 
Maurice LeBrun    mj...@ga...
Research Organization for Information Science and Technology of Japan (RIST)