Building SWIG wrappers on OSX

[newbie73]

When building SWIG wrappers on XP, it seems that the compiler uses the binary for QuantLib that has already been built, however, building on OSX appears to re-build the entire QuantLib package even after seting QL_DIR to my current QuantLib installation directory.

Any ideas on how to get this process to execute faster?

[Luigi Ballabio]

On Mon, 2007-09-17 at 15:21 -0700, newbie73 wrote:
> When building SWIG wrappers on XP, it seems that the compiler uses the binary
> for QuantLib that has already been built, however, building on OSX appears
> to re-build the entire QuantLib package even after seting QL_DIR to my
> current QuantLib installation directory.

Sounds strange to me---the SWIG wrappers assume that the library is
precompiled. How did you compile them? I mean, with which commands?

Luigi


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[newbie73]

I used ./configure path-to-boost, path-to-boost-lib
then ./build install

the libs were installed in /usr/local/lib

Luigi Ballabio wrote

On Mon, 2007-09-17 at 15:21 -0700, newbie73 wrote:
> When building SWIG wrappers on XP, it seems that the compiler uses the binary
> for QuantLib that has already been built, however, building on OSX appears
> to re-build the entire QuantLib package even after seting QL_DIR to my
> current QuantLib installation directory.

Sounds strange to me---the SWIG wrappers assume that the library is
precompiled. How did you compile them? I mean, with which commands?

Luigi


--

Use every man after his desert, and who shall scape whipping?
-- Hamlet, Act II, scene II



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[Luigi Ballabio]

On Wed, 2007-09-19 at 05:28 -0700, newbie73 wrote:
> I used ./configure path-to-boost, path-to-boost-lib
> then ./build install
>
> the libs were installed in /usr/local/lib

Sorry---I meant, how did you compile the SWIG wrappers?

Luigi



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remove all doubt.
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[newbie73]

./python setup.py wrap

Luigi Ballabio wrote

On Wed, 2007-09-19 at 05:28 -0700, newbie73 wrote:
> I used ./configure path-to-boost, path-to-boost-lib
> then ./build install
>
> the libs were installed in /usr/local/lib

Sorry---I meant, how did you compile the SWIG wrappers?

Luigi



--

Better to remain silent and be thought a fool than to speak out and
remove all doubt.
-- Abraham Lincoln



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[Luigi Ballabio]

On Wed, 2007-09-19 at 05:49 -0700, newbie73 wrote:
> ./python setup.py wrap

Followed by "python setup.py build", I guess. That recompiles the
wrappers, i.e., quantlib_wrap.cpp (which might be a long process) but
doesn't recompile the library.

Luigi


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weather forecasters.
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[newbie73]

So then ... why does it take so long?  My mac isn't *that* old, it's a dual core 1.8 processor with 1gb ram.  On my XP machine, the build of the wrappers takes about 1 minute.  With my Mac, it takes about 6-8 hours.  Something's odd ... for the build to take that long

Luigi Ballabio wrote

On Wed, 2007-09-19 at 05:49 -0700, newbie73 wrote:
> ./python setup.py wrap

Followed by "python setup.py build", I guess. That recompiles the
wrappers, i.e., quantlib_wrap.cpp (which might be a long process) but
doesn't recompile the library.

Luigi


--

The economy depends about as much on economists as the weather does on
weather forecasters.
-- Jean-Paul Kauffmann



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[Luigi Ballabio]

On Wed, 2007-09-19 at 05:59 -0700, newbie73 wrote:
> So then ... why does it take so long?  My mac isn't *that* old, it's a dual
> core 1.8 processor with 1gb ram.  On my XP machine, the build of the
> wrappers takes about 1 minute.  With my Mac, it takes about 6-8 hours.
> Something's odd ... for the build to take that long

When you run setup.py build, which command line gets executed? (setup.py
prints it out on the screen.)

Luigi


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[newbie73]

strange - looks like it needed to build a version of QuantLib that has the files named like this:

libQuantLib-0.8.1.a
I also have:
libQuantLib.a, all in my usr/local/bin

looks like it couldn't find the binary file named libQuantLib.a so it had to build the entire library from scratch.  

This last time I ran it, it executed in about a minute, as expected.

Thanks for the help, now on to adding a 2 Factor Vasicek implementation :)

Luigi Ballabio wrote

On Wed, 2007-09-19 at 05:59 -0700, newbie73 wrote:
> So then ... why does it take so long?  My mac isn't *that* old, it's a dual
> core 1.8 processor with 1gb ram.  On my XP machine, the build of the
> wrappers takes about 1 minute.  With my Mac, it takes about 6-8 hours.
> Something's odd ... for the build to take that long

When you run setup.py build, which command line gets executed? (setup.py
prints it out on the screen.)

Luigi


--

If I do not want others to quote me, I do not speak.
-- Phil Wayne



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