Hello Alan, Werner, On 2009-03-27 17:16, Alan W. Irwin wrote: > On 2009-03-27 10:20+0100 Arjen Markus wrote: > >> Hi, >> >> the new set-up to get the driver .rc files seems to be >> failing under Cygwin. I have no idea why: I am not overly >> familiar with libtool and its inner workings, but what >> happens is this: >> >> The test-drv-info runs to completion but writes an >> empty string to the screen - and hence the .rc file >> is empty. > > Hi Arjen, > > Please give more details to help the rest of us understand the issue you > have run into on Cygwin. > > There are two .rc files per device driver. One configured by cmake in > drivers, and the one created by test-drv-info in > drivers/test_dyndrivers_dir. You imply the first one is fine and the > second > one is empty, but could you confirm that? If the second one is empty, it > means that dynamic loading doesn't even pass an elementary test on Cygwin > and certainly no dynamically loaded device driver would work when you try > to run PLplot.
I ran test-drv-info manually, there was no output to the screen. (I saw that from the empty .rc file appearing in the "test-drivers" (if I remember the name correctly) subdirectory as well). > > Please run test-drv-info by hand (don't forget "make VERBOSE=1" to figure > out how you do that) and report back the exact command and every message > (if > any) that is given by that elementary test of dynamic loading. > I am not sure you can state it that generally: a build I did early february (and still had around) does work with dynamic drivers! Only then we used the get-drv-info program to create the .rc files. > Beyond that, there are two possibilities to use on Cygwin for dynamic > loading. Either Werner's windows solution or the Cygwin package > http://cygwin.com/packages/libltdl3/. Just to clarify what is going on can > you state which is being using? Currently, I don't think you have a > choice. > Instead, our build system will pick one of them. But which one? Use > ldd on test-drv-info to find out. I have not had an opportunity to do that yet. > > If our build system chooses libltdl, do you have the latest/greatest > version > installed properly? > Quite probably it is an old one, but as I said before: it has worked in a previous build. So my suspicion is that the relatively new test-drv-info program does something different. I will try and find out what that difference is. Regards, Arjen Delft Hydraulics, GeoDelft, the Subsurface and Groundwater unit of TNO and parts of Rijkswaterstaat have joined forces in a new independent institute for delta technology, Deltares. Deltares combines knowledge and experience in the field of water, soil and the subsurface. We provide innovative solutions to make living in deltas, coastal areas and river basins safe, clean and sustainable. DISCLAIMER: This message is intended exclusively for the addressee(s) and may contain confidential and privileged information. If you are not the intended recipient please notify the sender immediately and destroy this message. Unauthorized use, disclosure or copying of this message is strictly prohibited. The foundation 'Stichting Deltares', which has its seat at Delft, The Netherlands, Commercial Registration Number 41146461, is not liable in any way whatsoever for consequences and/or damages resulting from the improper, incomplete and untimely dispatch, receipt and/or content of this e-mail. ------------------------------------------------------------------------------ _______________________________________________ Plplot-devel mailing list Plplot-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/plplot-devel