On 2013-12-31 12:32-0500 Tom Kacvinsky wrote:
Hi,I do not know if this is the right list for asking questions about the CMake Ada support from the Plplot modules. We are using the cmake modules that you have written in order to get our Ada code compiling/linking via cmake. But one of the things I have noted is that when gnatmake runs to build an Ada executable, -lstdc++ is added to the link line. We do not add this in our CMakeLists.txt files, so there is something about how CMake is calculating LINK_LIBRARIES, but I see nothing in the Ada support that would indicated -lstdc++ being added to LINK_LIBRARIES. Have you any idea?
Hi Tom: Yes, this is the right place to ask questions about that Ada language support in CMake. However, note I wrote that some time ago, and at that time just followed what happens in the Fortran and C cases as a template with very little understanding of what goes on underneath by CMake and only superficial understanding of Ada and gnatmake. That said, this Ada language support works fine for us with the limitation that the user has to specify additional locations (e.g., of the *.ali files) to work around general CMake language support limitations. To answer your specific question, I cannot verify your report here; I have just built our Ada bindings and our second standard Ada example (to arbitrarily choose one of our ~30 standard examples) using make VERBOSE=1 x02a >& build_x02a.out (I have attached a compressed version of that output file for you to look at.) There is no mention of -lstdc++ in that file so I presume we are doing something differently than what PLplot does when building your Ada software. So you will want to take a look at our bindings/ada/CMakeLists.txt and examples/ada/CMakeLists.txt in the PLplot 5.9.11 tarball to see exactly how we use the Ada language support that is implemented in cmake/modules/language_support/cmake/ Alan __________________________ Alan W. Irwin Astronomical research affiliation with Department of Physics and Astronomy, University of Victoria (astrowww.phys.uvic.ca). Programming affiliations with the FreeEOS equation-of-state implementation for stellar interiors (freeeos.sf.net); the Time Ephemerides project (timeephem.sf.net); PLplot scientific plotting software package (plplot.sf.net); the libLASi project (unifont.org/lasi); the Loads of Linux Links project (loll.sf.net); and the Linux Brochure Project (lbproject.sf.net). __________________________ Linux-powered Science __________________________
build_x02a.out.gz
Description: compressed output from 'make VERBOSE=1 x02a'
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