Posts Tagged OS X

Netatmo Menu Bar app for OSX

Netatmo Menu Bar ScreenshotFor some peculiar reason, Netatmo don’t have an OSX app for viewing their devices (however their iOS one is simply brilliant). So, me being me, I wrote one. Very simple app to put together in fact (but then, it doesn’t do all the fancy history stuff that the iOS one does).
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Building ffmpeg on OSX 10.7

Note-to-self post again.

I can take no credit for this – it’s a copy of Hunter Ford’s script from here, with some minor changes I had to make to get it to run cleanly on 10.7.5.

Prerequisite: XCode, with command line tools installed.

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Building goaccess on OSX 10.8.2

Title says it all really. Copy/paste of what was needed to build goaccess on 10.8.2, without pissing around with brew et al.


tar -zxvf goaccess-0.5.tar.gz
cd goaccess-0.5

curl -L http://ftp.gnu.org/pub/gnu/gettext/gettext-0.18.1.1.tar.gz -o gettext-0.18.1.1.tar.gz
tar -xf gettext-0.18.1.1.tar.gz
cd gettext-0.18.1.1
./configure CC="gcc -arch i386 -arch x86_64" CXX="g++ -arch i386 -arch x86_64" CPP="gcc -E" CXXCPP="g++ -E"
echo '--- gettext-tools/gnulib-lib/stpncpy.c.orig 2007-10-07 23:29:35.000000000 +0300' > gettext.patch
echo '+++ gettext-tools/gnulib-lib/stpncpy.c 2011-03-11 23:34:40.000000000 +0200' >> gettext.patch
echo '@@ -24,7 +24,7 @@' >> gettext.patch
echo ' #include ' >> gettext.patch
echo ' ' >> gettext.patch
echo ' #ifndef weak_alias' >> gettext.patch
echo ' -# define __stpncpy stpncpy' >> gettext.patch
echo ' +//# define __stpncpy stpncpy' >> gettext.patch
echo ' #endif' >> gettext.patch
echo ' ' >> gettext.patch
echo ' /* Copy no more than N bytes of SRC to DST, returning a pointer past the' >> gettext.patch
patch -p0 < gettext.patch
make -j2
sudo make install

curl -L http://ftp.gnome.org/pub/gnome/sources/glib/2.27/glib-2.27.0.tar.bz2 -o glib-2.27.0.tar.bz2
tar -xf glib-2.27.0.tar.bz2
cd glib-2.27.0
./configure --with-libiconv=native

echo '--- glib-2.27.0-orig/glib/gconvert.c2010-09-17 17:33:50.000000000 -0500' > glib.patch
echo '+++ glib-2.27.0/glib/gconvert.c 2010-10-27 00:01:39.000000000 -0500' >> glib.patch
echo '@@ -61,9 +61,6 @@' >> glib.patch
echo ' #if defined(USE_LIBICONV_GNU) && !defined (_LIBICONV_H)' >> glib.patch
echo ' #error GNU libiconv in use but included iconv.h not from libiconv' >> glib.patch
echo ' #endif' >> glib.patch
echo '-#if !defined(USE_LIBICONV_GNU) && defined (_LIBICONV_H)' >> glib.patch
echo '-#error GNU libiconv not in use but included iconv.h is from libiconv' >> glib.patch
echo '-#endif' >> glib.patch
echo ' ' >> glib.patch
echo ' /**' >> glib.patch
echo ' * SECTION:conversions' >> glib.patch
make
sudo make install

cd ..
./configure
make
sudo make install

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AppleScript desktop dialer for Asterisk

Asterisk Desktop Dialer

This is an incredibly simple idea – but incredibly useful: a desktop application (written in applescript) where you copy/paste the number you wish to dial, it connects to your local asterisk server via its management interface, and dials the number on your phone.

You’ll need a mac (obviously), a desktop phone (even more obviously), and an asterisk server (most obviously), preferably on your lan, which you can configure to allow network access to the AMI (Asterisk Manager Interface).
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OS X: Fix Argentina DST October 2009

Date%20&%20TimeWell, at almost the last minute, DST was cancelled in Argentina this year. And this broke things, mostly computers. (Not for the first time either, the same thing happened two years ago here).

The debian folk came out with a fix at the last minute: so that fixed the linux machines, but OS X is a slower beast to move, so it’ll be a while before any change works its way through. In the meantime, Mac users in Argentina are left with broken clocks.

If you just want your clock to show the correct time for Argentina again, and don’t really care about the why, then just download and install the following:
Argentina_DST_Update_2.pkg – for 10.6.x only!
(Updated 2010-03-15)

I am no Mac expert, and this isn’t entirely tested, so be warned.

Anywho, this is how to update the tz data (aka zoneinfo), which should, in theory, fix the problem:

mkdir tzfix
cd tzfix/
curl ftp://elsie.nci.nih.gov/pub/tzdata2009n.tar.gz | tar -zxvf -
vi +219 southamerica

Change the two lines:

Rule Arg 2008 max - Mar Sun>=15 0:00 0 -
Rule Arg 2008 max - Oct Sun>=15 0:00 1:00 S

to the following

Rule Arg 2008 2009 - Mar Sun>=15 0:00 0 -
Rule Arg 2008 only
- Oct Sun>=15 0:00 1:00 S

(i.e. just two words to change). If it makes you feel better, here’s a diff.

Ok, save & close, and then compile it as follows:

sudo zic southamerica
sudo cp /usr/share/zoneinfo/America/Argentina/Buenos_Aires /usr/share/zoneinfo/America/Buenos_Aires

The sudo is necessary because you’re changing /usr/share/zoneinfo.
And that’s mostly it. Verify that it worked as follows:

zdump America/Argentina/Buenos_Aires
America/Argentina/Buenos_Aires Sun Oct 18 20:43:42 2009 ART

(note that the timezone is now ART, not ARST as previously).

So that fixes things for most of the command-line stuff. But you’ll notice that the clock on your desktop, iCal, and others, are still incorrect. We need to fix the ICU database also. Thankfully the latest sources are available for this from apple itself:

curl -O http://www.opensource.apple.com/tarballs/ICU/ICU-400.37.tar.gz
tar -zxf ICU-400.37.tar.gz
cd ICU-400.37/icuSources

ICU doesn’t come with the tzdata, but the readme in tzcode helpfully notes that if we place the tzdata*.tar.gz file in tools/tzcode/ it will be compiled automatically. You can pack up your own tzdata2009n.tar.gz that we used earlier if you wish, or use the one I prepared here:

cd tools/tzcode/
curl -o
tzdata2009o.tar.gz http://brickybox.com/wp-content/uploads/2009/10/tzdata2009otar.gz
cd ../../
./runConfigureICU MacOSX --with-data-packaging=archive
gnumake
sudo install -o root -g wheel -m 0644 -Sp data/out/icudt40l.dat /usr/share/icu/icudt40l.dat

And that’s it. We have a new ICU database. Reboot to see the changes.


Update (21st October): This technique works on the iPhone too. The iPhone already has zic (well, at least my one has), so you can simply copy your modified southamerica file onto the phone somewhere, and run (as root):

zic southamerica
cp /usr/share/zoneinfo/America/Argentina/Buenos_Aires /usr/share/zoneinfo/America/Buenos_Aires

And you can simply copy the data/out/icudt40l.dat you created for OS X into /usr/share/icu/icudt40l.dat on the iPhone. It causes Springboard to crash, but after a reboot everything works perfectly.


Update (10th November): I can’t believe it, today 10.6.2 update broke the damn icu stuff again.

mkdir 10_6_2_fix
cd 10_6_2_fix/
curl -O http://www.opensource.apple.com/tarballs/ICU/ICU-400.37.tar.gz
tar -zxf ICU-400.37.tar.gz
cd ICU-400.37/icuSources/tools/tzcode/
curl -O ftp://elsie.nci.nih.gov/pub/tzdata2009r.tar.gz
cd ../../
gnumake
sudo install -o root -g wheel -m 0644 -Sp data/out/icudt40l.dat /usr/share/icu/icudt40l.dat

Thanks to Jonathan Tapicer for pointing out that the tzdata file name has been updated (now at version R).


Update (5th February): I’ve had several requests to package this up in an installer, so here goes:
Argentina_DST_Update.pkg – for 10.6.x only!
(I don’t have a 10.5.8 any longer, so I can’t compile for it, sorry)


Update (15th March 2010): Yes, the ICU fix is broken again today. The problem seems to be more to do with automatic timezone detection (which OS X is now seeing as GMT -4) than anything to do with zoneinfo. For now, to fix it:

  • Download and install the new Argentina_DST_Update_2.pkg – for 10.6.x only!
  • Open a terminal and type:
    systemsetup -setusingnetworktime off
    systemsetup -settimezone America/Argentina/Buenos_Aires

This is fairly straightforward: it disables automatic timezone detection, and sets the timezone manually (you can use the -listtimezones switch to see a list of available timezones). If anyone knows how to update DateAndTime.prefPane (which appears to use GeoKit) please let me know.


Update (4th April 2010): I’m pleased to announce that 10.6.3 includes updated tzdata for Argentina (and elsewhere) that fixes all this silliness. Get it now (via software update) to make this problem go away.

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Java 1.6 on OS X

Today I was presented with the following error

java.lang.UnsupportedClassVersionError: Bad version number in .class file

My first instinct was of course that I must be using an older vm on the machine in question (an OS X 10.5.6 server), but no, java 1.6 was installed on this machine:

~$ ls -alF /System/Library/Frameworks/JavaVM.framework/Versions/
total 56
drwxr-xr-x  14 root  wheel  476 25 Sep 10:43 ./
drwxr-xr-x  12 root  wheel  408  1 Nov 18:28 ../
lrwxr-xr-x   1 root  wheel    5 25 Sep 10:43 1.3@ -> 1.3.1
drwxr-xr-x   3 root  wheel  102  2 Nov  2007 1.3.1/
lrwxr-xr-x   1 root  wheel    5 25 Sep 10:43 1.4@ -> 1.4.2
lrwxr-xr-x   1 root  wheel    3 16 Jun  2008 1.4.1@ -> 1.4
drwxr-xr-x   8 root  wheel  272 25 May  2007 1.4.2/
lrwxr-xr-x   1 root  wheel    5 25 Sep 10:43 1.5@ -> 1.5.0
drwxr-xr-x   8 root  wheel  272 25 May  2007 1.5.0/
lrwxr-xr-x   1 root  wheel    5 25 Sep 10:43 1.6@ -> 1.6.0
drwxr-xr-x   8 root  wheel  272 16 Jun  2008 1.6.0/
drwxr-xr-x   8 root  wheel  272 25 Sep 10:43 A/
lrwxr-xr-x   1 root  wheel    1 25 Sep 10:43 Current@ -> A
lrwxr-xr-x   1 root  wheel    3 25 Sep 10:43 CurrentJDK@ -> 1.5

A little further investigation revealed that, even though 1.6 is installed, 1.5 is still firmly the default:

~$ java -version
java version "1.5.0_16"
Java(TM) 2 Runtime Environment, Standard Edition (build 1.5.0_16-b06-284)
Java HotSpot(TM) Server VM (build 1.5.0_16-133, mixed mode)

Thankfully, this can be changed by aliasing java to the 1.6 version:

~$ alias java=/System/Library/Frameworks/JavaVM.framework/Versions/1.6/Commands/java
~$ java -version
java version "1.6.0_07"
Java(TM) SE Runtime Environment (build 1.6.0_07-b06-153)
Java HotSpot(TM) 64-Bit Server VM (build 1.6.0_07-b06-57, mixed mode)

Do this in your .profile to make it stick.

In fact the solution was simpler than the above for me, I just had to put

export JAVA_HOME=/System/Library/Frameworks/JavaVM.framework/Versions/1.6/Home

in my tomcat startup script (since I only needed the 1.6 jvm in tomcat).

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Calling SAP from PHP (on OS X)

You’d think it’d be easy eh?

  • My first google turned up SAPRFC, an extension module for php which allows direct ABAP calls from php.  ‘Perfect’, I thought, until I discovered that it is now essentially unmaintained, and it seems that no one ever tried it on OS X in the first place.
  • Very very happy was I then when I discovered its (very new) successor: sapnwrfc.  But no one has bothered to compile this yet on OS X either (and, like its predecessor, it requires the SAP RFC SDK, which I don’t have).  And besides, it really is very new, just a month or so old – not suitable for production then.
  • So I resigned myself to using another language to bridge the gap.  My first thought (my first hope really), was perl.  This turned up SAP::Rfc, written by the same guy who’s creating sapnwrfc.  But this also requires the SAP RFC SDK, and I couldn’t find anyone who’d ever compiled this on OS X.
  • So why not Java?  The SAP client my employer would have me use is pure Java, so surely I could use the same technologies?
    And this is where I stand at the moment: Use PHP/Java Bridge to call from php to Java, and SAP JCo to call from Java direct to SAP.

Yes, it’s cludgy, horrible, and sounds stupid.  And it probably is stupid.  But it’s how I plan to proceed for the present.  Tomcat will host the Java VM, and – if all the PHP/Java Bridge documentation is to be believed – there will be no need for Java ‘glue’ code, I should be able to use the JCo code directly in php.

If I live through the experience I’ll post more info about this soon.

Some pre-emptive defence: I know there are other technologies which would be preferable to my current solution – but I can make no changes whatsoever to SAP, this severely restricts my options.

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