[pdal] reading las is slower than liblas

[Chris Foster]

If this turns out to be the problem in this case, might I suggest that
the main CMakeLists.txt just be updated to make Release the default?
This would make more sense for most end users who want to build the
source themselves.

Very obscure cmake feature: The key to doing this is to set
CMAKE_BUILD_TYPE *before* calling the project() command.  This allows
you to set a sensible default value in the cmake cache, *before* cmake
gets to it and sets CMAKE_BUILD_TYPE to the empty string:

set(CMAKE_BUILD_TYPE "Release" CACHE STRING
    "Choose the type of build, options are: None(CMAKE_CXX_FLAGS or
CMAKE_C_FLAGS used) Debug Release RelWithDebInfo MinSizeRel."
)

cmake_minimum_required(VERSION 2.8.6)
project(PDAL CXX C)

(The same thing goes for setting default cache values for other cmake
builtin variables, such as CMAKE_CXX_FLAGS.)

~Chris

On 9 June 2015 at 17:18, Luca Delucchi <lucadeluge at gmail.com> wrote:
> On 8 June 2015 at 18:31, Stefan Ziegler <stefan.ziegler.de at gmail.com> wrote:
>> Hi
>>
>
> Hi,
>
>> I once noticed that you have to set CMAKE_BUILD_TYPE to "Release" and not
>> "Debug" to get a much faster reading. I think I remember that the default
>> setting was "Debug".
>>
>
> ah ok, I'm going to tell this to the packager....
>
>> best regards
>> Stefan
>>
>
> thanks
>
> --
> ciao
> Luca
>
> http://gis.cri.fmach.it/delucchi/
> www.lucadelu.org
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