On 27.04.23 02:11, Chris Johns wrote:
On 26/4/2023 6:04 pm, Sebastian Huber wrote:
The CSafeLoader uses the C libyaml libary to considerably speed up the
loading of YAML files.
No from me.
What do you mean with not for me? You have the CSafeLoader available and
it is slow? Do you have some timings before and after the patch set for
a "./waf configure" and "./waf build"? On my systems the configure needs
less than a second with the CSafeLoader and the waf build setup time is
less than 100ms.
I do not agree with conditional states of operation in the build system that
depend on packages a host has installed. If speed is an important factor all
users then I suggest you find a means to have it available automatically on the
hosts we support (Linux, FreeBSD, MacOS, Windows MINGW64 and Cygwin.
I am not sure if we should automatically install system Python packages
on user machines.
The fall back is the Python PyYAML package available through the RTEMS
sources. This is what we use currently. For RTEMS users, this is
acceptable since they are not supposed to touch the YAML files. For
RTEMS maintainers, not having the cache makes working with the build
system more efficient.
If they system PyYAML package is not installed, then you get now a hint
to install it:
Setting top to : /home/EB/sebastian_h/src/rtems
Setting out to :
/home/EB/sebastian_h/src/rtems/build
Regenerate the build specification cache. Install the PyYAML Python
package to avoid this. The cache regeneration needs a couple of seconds...
Configure board support package (BSP) : arm/realview_pbx_a9_qemu
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