[Cmake] ar+ranlib detection

[Doug Henry]

It would appear the modules have similar problems.  If I install libjpeg
in /server/tools and use FindJPEG I get jpeg in /usr/include and
/usr/lib.  I assume if I want to find anything in my toolchain I will
have to call the FIND_xxx functions directly.

On Thu, 2003-10-09 at 11:26, William A. Hoffman wrote:
> This does look like a problem.   However, the problem is
> a bit complicated.
> 
> Basically, the FIND_PROGRAM command looks like this:
> 
> FIND_PROGRAM(CMAKE_AR NAMES ar PATHS /bin /usr/bin /usr/local/bin)
> FIND_PROGRAM(CMAKE_RANLIB NAMES ranlib PATHS /bin /usr/bin /usr/local/bin)
> 
> And it works by looking in the paths specified to the command first,
> then in the environment variable $PATH.   So, you get the bad behavior
> where cmake made find something not in your path.   
> 
> One option to fix this would be to change the order, so that FIND_PROGRAM
> looks in the PATH first then in the other paths passed into the command.
> However, this may produce different results than cmake has in the past.
> A better option would be to specifically ask for the system path in the command,
> so cmake list writers could decide where to put the path.
> 
> Something like this:
> 
> FIND_PROGRARM(CMAKE_AR_NAMES ar PATHS SYSTEMPATH /bin /usr/bin /usr/local/bin)
> 
> You could not use $ENV(PATH) because path can be ; or : separated depending on the OS.
> 
> I will enter this as a bug.
> 
> For now, if you want a quick fix, you can change this file:
> 
> CMake/Modules/CMakeDetermineCCompiler.cmake
> 
> And remove the extra paths for CMAKE_AR and CMAKE_RANLIB.   For those programs
> it makes sense that cmake should not have extra paths anyway.  So, I will check
> in the fix to cvs cmake, and it should be in the next 1.8.2 release.
> Thanks for the report.
> 
> -Bill
> 
> 
> 
> At 09:37 AM 10/9/2003, Doug Henry wrote:
> >I have a development toolchain built independently of my linux distro. 
> >For example, binutils and gcc are in a dir called /server/tools/bin. 
> >This path is first in my bash PATH.  When I run cmake my compilers get
> >detected according to my path, but the binutils (ar, ranlib, etc) are
> >always detected in /usr/bin.  Shouldn't they also be detected from the
> >path search order?  Is there a way I can fix this without having to
> >manually change it through ccmake?
> >
> >Thanks
> >
> >
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> 
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