[CMake] Can't unset suffix

2008-05-21 Thread Wade Williams

Using Cmake 2.4.7 on Ubuntu.

My project produces a shared library on Unix which is a plugin.   
Therefore, it does not need the standard "libxxx.so" naming.   I want  
the name to be "xsb_vatsim.xpl"


I've changed the suffix to what I want, but now I'm trying to  
eliminate the prefix and finding it impossible.


If I use:

SET_TARGET_PROPERTIES(xsb_vatsim PROPERTIES PREFIX "")

I get:

""xsb_vatsim.xpl

as an output file.

If I use:

SET_TARGET_PROPERTIES(xsb_vatsim PROPERTIES PREFIX)

I get:

SET_TARGET_PROPERTIES called with incorrect number of arguments

any thoughts on how I can correct this?

Thanks,

Wade


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Re: [CMake] Can't unset suffix

2008-05-21 Thread Alan W. Irwin

On 2008-05-21 09:03-0500 Wade Williams wrote:


Using Cmake 2.4.7 on Ubuntu.

My project produces a shared library on Unix which is a plugin.  Therefore, 
it does not need the standard "libxxx.so" naming.   I want the name to be 
"xsb_vatsim.xpl"


I've changed the suffix to what I want, but now I'm trying to eliminate the 
prefix and finding it impossible.


If I use:

SET_TARGET_PROPERTIES(xsb_vatsim PROPERTIES PREFIX "")

I get:

""xsb_vatsim.xpl

as an output file.

If I use:

SET_TARGET_PROPERTIES(xsb_vatsim PROPERTIES PREFIX)

I get:

SET_TARGET_PROPERTIES called with incorrect number of arguments

any thoughts on how I can correct this?


The PLplot project uses the following construct all the time without
problems for exactly this situation (building plugin shared objects) on
Unix systems.

set_target_properties(targetname PROPERTIES PREFIX "" SUFFIX ${DYNAMIC_SUFFIX})

where $DYNAMIC_SUFFIX is platform-dependent (".dll" on CYGWIN and ".so" for
Mac OS X and Linux).  (Note, these suffixes are demanded by the libltdl
library and should probably be something else if you are using some other
alternative for your dynamic loading.)

The only real difference with what you have done above, is both PREFIX and
SUFFIX are set at the same time, but that shouldn't matter.  Since I don't
observe the behaviour you have found, I suggest you put together an
extremely simple but complete example (hello-world plugin build).  If the
problem occurs in that context, then that simple example could be used by
others to verify/fix the problem.  OTOH, on a number of occasions I have
prepared a simple but complete example of a CMake "problem" only to find the
problem disappeared in the simple context, i.e., I had introduced some CMake
logic bug in the more complex context.

Alan
__
Alan W. Irwin

Astronomical research affiliation with Department of Physics and Astronomy,
University of Victoria (astrowww.phys.uvic.ca).

Programming affiliations with the FreeEOS equation-of-state implementation
for stellar interiors (freeeos.sf.net); PLplot scientific plotting software
package (plplot.org); the libLASi project (unifont.org/lasi); the Loads of
Linux Links project (loll.sf.net); and the Linux Brochure Project
(lbproject.sf.net).
__

Linux-powered Science
__
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Re: [CMake] Can't unset suffix

2008-05-21 Thread Wade Williams

Very sage advice Alan.

When I created a "Hello World" project, I got errors on the quotes  
around "Hello World" from the compiler.


After further experimentation, I found that the default keyboard  
layout on Ubuntu was inserting an invisible character, and that was  
the reason the visible quotes were showing up as a suffix.  Once I  
switched to the regular US layout, it worked as expected.


Thanks,

Wade

On May 21, 2008, at 11:59 AM, Alan W. Irwin wrote:


On 2008-05-21 09:03-0500 Wade Williams wrote:


Using Cmake 2.4.7 on Ubuntu.

My project produces a shared library on Unix which is a plugin.   
Therefore, it does not need the standard "libxxx.so" naming.   I  
want the name to be "xsb_vatsim.xpl"


I've changed the suffix to what I want, but now I'm trying to  
eliminate the prefix and finding it impossible.


If I use:

SET_TARGET_PROPERTIES(xsb_vatsim PROPERTIES PREFIX "")

I get:

""xsb_vatsim.xpl

as an output file.

If I use:

SET_TARGET_PROPERTIES(xsb_vatsim PROPERTIES PREFIX)

I get:

SET_TARGET_PROPERTIES called with incorrect number of arguments

any thoughts on how I can correct this?


The PLplot project uses the following construct all the time without
problems for exactly this situation (building plugin shared objects)  
on

Unix systems.

set_target_properties(targetname PROPERTIES PREFIX "" SUFFIX $ 
{DYNAMIC_SUFFIX})


where $DYNAMIC_SUFFIX is platform-dependent (".dll" on CYGWIN and  
".so" for
Mac OS X and Linux).  (Note, these suffixes are demanded by the  
libltdl
library and should probably be something else if you are using some  
other

alternative for your dynamic loading.)

The only real difference with what you have done above, is both  
PREFIX and
SUFFIX are set at the same time, but that shouldn't matter.  Since I  
don't

observe the behaviour you have found, I suggest you put together an
extremely simple but complete example (hello-world plugin build).   
If the
problem occurs in that context, then that simple example could be  
used by
others to verify/fix the problem.  OTOH, on a number of occasions I  
have
prepared a simple but complete example of a CMake "problem" only to  
find the
problem disappeared in the simple context, i.e., I had introduced  
some CMake

logic bug in the more complex context.

Alan
__
Alan W. Irwin

Astronomical research affiliation with Department of Physics and  
Astronomy,

University of Victoria (astrowww.phys.uvic.ca).

Programming affiliations with the FreeEOS equation-of-state  
implementation
for stellar interiors (freeeos.sf.net); PLplot scientific plotting  
software
package (plplot.org); the libLASi project (unifont.org/lasi); the  
Loads of

Linux Links project (loll.sf.net); and the Linux Brochure Project
(lbproject.sf.net).
__

Linux-powered Science
__


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