site_archiver@lists.apple.com Delivered-To: darwin-dev@lists.apple.com Thread-index: AcTcpwVO0X0rsXroQPidSdIC9pb/DAAfbUVg Thread-topic: static initializers do not get run in dylibs with gcc 3.3 We have a winner!!! Geoff suggestion of using -single_module works perfectly in my case. T H A N K Y O U ! ! ! YON - Jan C. Hardenbergh, hardenbergh@terarecon.com, 978-369-6500x272 Director of VolumePro Software Engineering, TeraRecon, Inc. Concord Office -----Original Message----- From: Geoffrey Schmit [mailto:geoffrey.schmit@ni.com] Sent: Tuesday, December 07, 2004 4:51 PM To: darwin-dev@lists.apple.com Cc: Jan Hardenbergh Subject: RE: static initializers do not get run in dylibs with gcc 3.3 On 07/12/2004 at 8:59 AM, Jan Hardenbergh <hardenbergh@terarecon.com> wrote:

That's a good idea, but, that is not what is happening.

This is a dylib that is registering procedure pointers to be called externally, so, understanding who is calliing them is hard.

But, no matter what optimization level I use (-g, -O0, -O2) the code is there. If I call hackMyClass(), then magically, the constructor for myClass is run. So, the code is there.

The optimization levels do make a difference. The dylib has about 25 classes in it. With -O2, no static initializers run. With -O0 and -g, 9 of the static initializers run.

So, currently, I compile -O0 and call 16 hackMyClass() routines and it works.

I'd like to get rid of those 16 calls. It seems like many people have run into this problem and there seem to be many piecewise solutions.

Try the single_module linker option. It will combine all of your modules into one when they are linked. As a result, when any function in your dynamic library is invoked, all static initializers should be invoked first. geoff -- Geoffrey Schmit Senior Software Engineer National Instruments geoffrey.schmit@ni.com www.ni.com _______________________________________________ Do not post admin requests to the list. They will be ignored. Darwin-dev mailing list (Darwin-dev@lists.apple.com) Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/darwin-dev/site_archiver%40lists.appl... This email sent to site_archiver@lists.apple.com