Hi,
since it's especially for Windows more and more complicated to have all
3rd party libraries included in the plplot library I would propose the
following solution.
We make an additional 3rd party library package, which contains the
source files, header files and a custom CMakeLists.txt of all libraries
we want to include (agg, freetype, libharu, cd, qhull,...). The
structure would look like this:
plplot
----> lib
-->agg2.4
---->CMakeLists.txt
---->src
---->include
-->cd1.3
etc.
The maintainance of this package would not be much effort, since we
wouldn't need to always include the newest version of a library - it's
just libraries known to work with plplot. And some libraries (qhull,cd)
aren't updated anyway.
Than we would need to change the Findxxx.cmake files a little bit:
e.g. FindCD.cmake:
find_path(CD_INCLUDE_DIR cd.h /usr/local/include /usr/include)
if(CD_INCLUDE_DIR)
[...]
else(CD_INCLUDE_DIR)
# library not found, see if user installed 3rd party package
find_path(CML_DIR CMakeLists.txt ${CMAKE_SRC_DIR}/lib/cd1.3)
if(CML_DIR)
# yes?, so we compile it on our own
subdirectory(CML_DIR)
set(CD_INCLUDE_PATH ...)
[...]
endif(CML_DIR)
endif(CD_INCLUDE_DIR)
[...]
This script won't work exactly like that, but you get the idea. This
would have several advantages:
1) Very easy than for Windows users
2) if the system provides the libraries, we don't compile it on our own
3) if the user provides newer libraries, we don't compile it on our own
4) we have complete control of the library (shared, static, debug etc.)
5) Do get most features of plplot, you have only to untar the 3rd party
package and you're ready
6) For users who don't use the 3rd party package there is no change at all
disadvantage:
1) Maintain the package, but I think it's really low effort as soon as
it is setup.
2) gd and wxwidgets can't be included that way.
What do you think?
-Werner
--
Dipl. Ing. Werner Smekal
Institut fuer Allgemeine Physik
Technische Universitaet Wien
Wiedner Hauptstr 8-10
A-1040 Wien
Austria
email: [EMAIL PROTECTED]
web: http://www.iap.tuwien.ac.at/~smekal
phone: +43-(0)1-58801-13463 (office)
+43-(0)1-58801-13469 (laboratory)
fax: +43-(0)1-58801-13499
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