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Re: Again with the glew on 10.10

 

Yes, Homebrew installs stuff into /usr/local.

Adam Wolf

On Fri, Dec 12, 2014 at 12:58 AM, Bernhard Stegmaier <
stegmaier@xxxxxxxxxxxxx> wrote:
>
> Hi,
>
> not much I can help.
> I always use MacPorts to install dependencies (including flew) and it
> works without any problems.
> MacPorts installs to /opt/local/…
> Adam already told that it also works with Homebrew, which AFAIK installs
> to /usr/local/...
>
> So, if you don’t care where glew is, maybe try one of those two paths and
> see if it gets found in there…
>
> You also could do a “make VERBOSE=1” and post the compiler command line of
> the failing file.
> At least you/we could see then which include paths are actually used and
> if it fits your installation.
>
>
> Regards,
> Bernhard
>
> On 12.12.2014, at 00:13, Wayne Stambaugh <stambaughw@xxxxxxxxx> wrote:
>
> On 12/11/2014 4:34 PM, Andy Peters wrote:
>
>
> On Dec 11, 2014, at 11:51 AM, Wayne Stambaugh <stambaughw@xxxxxxxxx>
> wrote:
>
> On 12/11/2014 1:19 PM, Andy Peters wrote:
>
>
> On Dec 11, 2014, at 9:50 AM, Wayne Stambaugh <stambaughw@xxxxxxxxx> wrote:
>
> On 12/11/2014 11:31 AM, Andy Peters wrote:
>
>
> On Dec 10, 2014, at 6:05 PM, Adam Wolf <adamwolf@xxxxxxxxxxxxxxxxxxxx>
> wrote:
>
> I have not seen this issue, but I am using brew for glew.
>
> Adam Wolf
> Cofounder and Engineer
> W&L
>
>
> I see that the header in question is in /usr/include/GL (this is where
> glew's make install put it), which means that the make system assumes that
> glew is installed someplace else. Where is that include directory
> specified? I can install the glew stuff to wherever, just as long as I know
> where it is supposed to go!
>
> -a
>
>
> A large part of the problem is neither KiCad's custom FindGLEW.cmake or
> the stock one shipped with CMake is very well thought out.  They both
> use the typical check for platform tests which inevitably break instead
> of feature tests.  Glew (at least the recent versions) will use
> pkg-config if it is available to create the correct configuration
> information which is how FindGLEW.cmake should work instead of using the
> platform specific paths.  Pkg-config is available on all platforms
> including windows so this should be the default search mechanism.  The
> platform specific stuff should be the fall back and there should be the
> catch all root path variable for custom builds which should always take
> precedence.  There is also the option of setting
> -DCMAKE_PREFIX_PATH=/usr on the command line.
>
>
> Does this add to the existing prefix path, or does it replace it entirely?
>
>
> CMake does not define CMAKE_PREFIX_PATH.  It get tested before
> CMAKE_SYSTEM_PREFIX_PATH which CMake sets based on the platform.  The
> search order is documented here:
>
> http://www.cmake.org/cmake/help/v3.0/command/find_path.html
>
>
>
>
>
>
> pkg-config is on my systems, and it should work, I agree, but something is
> borked.
>
> I looked at FindGLEW.cmake and added the correct path to the headers:
>
> IF (APPLE)
> # These values for Apple could probably do with improvement.
>  FIND_PATH( GLEW_INCLUDE_DIR GL/glew.h
>    /System/Library/Frameworks/GLEW.framework/Versions/A/Headers
>    /opt/local/include
>    /usr/include                <- I added this!
>    ${OPENGL_LIBRARY_DIR}
>  )
>
>  FIND_LIBRARY( GLEW_GLEW_LIBRARY GLEW
>    /opt/local/lib
>    /usr/lib
>  )
>
>
> This will work but is at the heart of the problem.  Adding every
> possible combination of paths is not a long term solution.
> Unfortunately it's how most of the cmake find package files are written.
>
>
> and re-ran cmake, and it didn't seem to care. I even did a make clean. I
> don't know if there's a "cmake clean" command which forces cmake to rebuild
> everything.
>
>
> You have to delete all of the CMake build files in order for this to
> work.  Once the path is cached, it doesn't change even if you change the
> cmake files.  The easiest way is to do a clean build.  You could try
> `make rebuild_cache` and see if that updates the glew path.
>
>
> all righty, I just deleted my entire kicad checkout and bzr branched the
> latest. Then I edited FindGLEW.cmake as noted above, did the build, and
> then it failed again at the same spot.
>
>
> Unfortunately (or fortunately depending on your point of view), I don't
> have a mac so I cannot help you with this.  Maybe one of our other OSX
> devs can help you out.
>
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>
>
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>
>
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>

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