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Tuesday, 21 November 2017 Dereel Images for 21 November 2017
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Propagating Clematis
Topic: gardening Link here

While planting the Clematis “General Sikorski”, I managed to break off one of the stems. Damn! So I cut off the bottom of the broken-off piece, prepared it with scraping and hormone and planted it in a pot. Not surprisingly, it's not looking very happy at the moment:


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While watering the plant itself, noted that the remnant stem was lying on the ground:

 
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So I tried to lift it up. And it wouldn't come. It had developed a root and attached itself to the ground:

 
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So: it seems that to propagate Clematis, you need to cover one of these nodes with soil. Not what I had done:

 
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Still, I can fix that—maybe, if it's not too late:

 
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We'll see how that goes. Apart from that, there's also the stem with the flowers on it, which I put in a vase. To my surprise, the flowers lasted nearly a week, though they're clearly past it now:

 
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But after trimming the flowers off, it seems that it, too, has developed vestigial roots:

 
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So that'll soak in water for a while, and then I'll plant it.


Sun orchids: finally
Topic: gardening Link here

While walking the dogs today, found what I have been looking for for over a week: the first flowering Thelymitra pauciflora (sun orchids):

 
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They haven't opened properly yet, and because of the heat I didn't return with proper macro equipment, but hopefully some of the other ones will start soon.


Wednesday, 22 November 2017 Dereel Images for 22 November 2017
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Remote control woes
Topic: technology, multimedia Link here

When upgrading mplayer I lost the remote control with lirc. Why? Time to investigate the port.

First step was to notice that there's a build option for mplayer:

 
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OPTIONS_DEFINE= AALIB AMR_NB AMR_WB ASS BLURAY CACA CDIO DEBUG DV DVDNAV \
ENCA FONTCONFIG FRIBIDI GIF GNUTLS GSM GUI IPV6 JACK \
LADSPA LIBMNG LIRC LZO NAS OPENAL OPENGL \
...

OK, set that, and confirm that it gets set in the options file:

=== root@teevee (/dev/pts/4) /usr/ports/multimedia/mplayer-local 2 -> cat /var/db/ports/multimedia_mplayer-local/options
# This file is auto-generated by 'make config'.
# Options for mplayer-1.3.0.20170722_1
_OPTIONS_READ=mplayer-1.3.0.20170722_1
_FILE_COMPLETE_OPTIONS_LIST=AALIB AMR_NB AMR_WB ASS BLURAY CACA CDIO DEBUG DV DVDNAV ENCA FONTCONFIG FRIBIDI GIF GNUTLS GSM GUI IPV6 JACK LADSPA LIBMNG LIRC LZO NAS OPENAL OPENGL OPENJPEG OPUS PULSEAUDIO RTC RTCPU RTMP SCHROEDINGER SDL SKINS SMB SNDIO SPEEX SVGALIB V4L VDPAU VPX X11 X11DGA X11VM XINERAMA XVIDEO XVMC
...
OPTIONS_FILE_UNSET+=LADSPA
OPTIONS_FILE_UNSET+=LIBMNG
OPTIONS_FILE_SET+=LIRC
OPTIONS_FILE_UNSET+=LZO

Build mplayer, which really only takes about a minute, and run it. Still no lirc!

OK, next step: so far I've been dealing with the FreeBSD Ports Collection. What does mplayer do in the way of configuration? The output of the /usr/ports/multimedia/mplayer-local/work/mplayer-export-2017-07-22/configure script says:

Checking for lirc ... no
Checking for lircc ... no
...
Config files successfully generated by ./configure --cc=cc --host-cc=cc --as=as --mandir=/usr/local/man --extra-cflags=-I/usr/local/include -I/usr/local/include --extra-libs=-L/usr/local/lib --disable-alsa --disable-ass-internal --disable-bitmap-font --disable-crystalhd --disable-esd --disable-faad --disable-ffmpeg_a --disable-ggi --disable-ggiwmh --disable-liba52 --disable-libbs2b --disable-libdirac-lavc --disable-libilbc --disable-libnut --disable-libvorbis --disable-live --disable-joystick --disable-mad --disable-libmpeg2 --disable-nemesi --disable-real --yasm= --disable-aa --disable-libopencore_amrnb --disable-libopencore_amrwb --disable-bluray --disable-caca --disable-libcdio --disable-libdv --disable-enca --disable-gif --disable-libgsm --enable-gui --disable-jack --disable-ladspa --disable-mng --disable-lirc --disable-liblzo --disable-nas --disable-openal --disable-libopenjpeg --disable-libopus --disable-pulse --disable-rtc --enable-runtime-cpudetection --disable-librtmp --disable-libschroedinger-lavc --disable-sdl --disable-smb --disable-sndio --disable-speex --disable-svga --disable-tv-v4l1 --disable-tv-v4l2 --disable-libvpx-lavc --disable-arts --disable-directfb --disable-faac --disable-libdca --disable-toolame --disable-twolame --disable-x264 --disable-xvid --disable-libdirac-lavc --disable-mencoder --disable-mpg123 --disable-musepack --disable-theora --disable-win32dll --disable-qtx !

Why that? Why is there no mention of lirc in the command line? That was supplied by the FreeBSD port, so it should have been there. And why is it checking anyway? Looking at the configure script, I found:

if test "$_lirc" = auto ; then
  _lirc=no
  header_check lirc/lirc_client.h -llirc_client && _lirc=yes
fi

OK, I don't know the details of configure, but it seems fairly obvious that it's looking for a header file lirc/lirc_client.h somewhere, and maybe a library file lirc_client.<mumble>. Does the lirc port install that file (those files)? Looking at /usr/ports/comms/lirc/pkg-plist, I found that it does.

What now? Is it looking in the wrong place? Gave up and let my old faithful ktrace loose on it. That ran for ever: it wrote its trace file across the net, something that it does very slowly, and there were no less than 360 MB of it. And at the end?

Checking for lirc ... yes
Checking for lircc ... no

Why did it find it this time and not the time before? I may never know. All I know is that it now supports lirc.

In passing, why didn't the port pass an --enable-lirc to the configure script? It doesn't seem to be necessary, since configure decides anyway.


This page contains (roughly) yesterday's and today's entries. I have a horror of reverse chronological documents, so all my diary entries are chronological. This page normally contains the last two days, but if I fall behind it may contain more. You can find older entries in the archive. Note that I often update a diary entry a day or two after I write it.     Do you have a comment about something I have written? This is a diary, not a “blog”, and there is deliberately no provision for directly adding comments. But I welcome feedback and try to reply to all messages I receive. See the diary overview for more details. If you do send me a message relating to something I have written, please indicate whether you'd prefer me not to mention your name. Otherwise I'll assume that it's OK to do so.


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