Re: [glean-dev] Makefile problems?

[Cass W. E. <ca...@r3...>]

ak...@po... wrote:
> 
> | I may look into doing a bit of major work on the Makefiles...
> 
> Sounds like it might be necessary.  Let's make a separate version for
> BeOS, though; sharing Makefiles across different operating systems is
> *very* difficult if all developers don't have access to all the
> operating systems so that they can verify changes.
> 

  We regularly build the same source tree under Win32 and Linux, and
have built a set of GNU Makefile facilities called "makeLib" using this
approach, we have very simple makefiles.

Here's an example of a makefile that builds a library called 
libsoftLibOpenGL.so or softLibOpenGL.dll depending on the build
platform, and has dependencies on the "cost" package. 
---
TOPDIR := ../..

PACKAGE_DEPENDENCIES := cost

SUBDIRS := mappers nids

LIBTARGETS := softLibOpenGL

include $(MAKELIB_HOME)/all.mk
---

Here's an example of a makefile that builds an executable called 
display_nexrad_sites.  It has package dependencies of cost, softLib,
mysql (client libs), glut, and gl (glu is implicitly included with
the gl package). Packages are defined in MakeLib and are user overridable.

---
PACKAGE_DEPENDENCIES := cost softLib mysql glut gl
 
BINTARGETS := display_nexrad_sites

include $(MAKELIB_HOME)/all.mk
---

We did a lot of work to try to make makeLib as configurable and
simple as possible while supporting platform independence.  We currently
use it to build using gnu compilers on linux and the MSVC++ on Win32.
We've found it helpful to not have to supply two sets of makefiles, but
it does require installing the cygwin tools. 

We have pretty much made a commitment to provide this as open source,
and it would probably be pretty easy for us to convert the glean makefiles
to use makeLib.  Would that be a worthwhile effort?

							Cass

-- 
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Cass W. Everitt			Objectecture, Inc.
Ph:  256/772-2365 		112 Ketchum Way
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