On 11/23/2011 04:52 PM, Orion Poplawski wrote:
> On 11/23/2011 01:06 PM, Alan W. Irwin wrote:
>> On 2011-11-23 08:48-0700 Orion Poplawski wrote:
>>
>>> Don't forget about the pkg-config issue as well.
>>>
>>
>> The pkg-config man page gives the reason why we get transitive linking
>> in that case:
>>
>> Requires:
>> This is a comma-separated list of packages that are required by
>> your package. Flags from dependent packages will be merged in to
>> the flags reported for your package....
>>
>> The solution I am investigating for CMake automatically disables
>> transitive linking for the shared case but uses transitive linking for
>> the static case (which I believe is necessary from the accompanying
>> discusssion). So we will want to do the same for the pkg-config
>> case. From reading further in the pkg-config man page it appears you
>> would get that by replacing the Requires: line in our *.pc files by
>> the corresponding Requires.private: line. That is, for plplotd-c++.pc
>> change
>>
>> Requires: plplotd
>> ==>
>> Requires.private: plplotd
>>
>> and similarly for our other *.pc files.
>>
>> Could you try that plplotd-c++.pc change by hand (or by editing
>> bindings/c++/CMakeLists.txt) to see if that satisfies your pkg-config
>> need for libplplotcxxd while I am working on the other question of
>> dropping transitive linking from our CMake-generated linking?
>
> I'm testing the following change:
>
> diff -up plplot-5.9.9/pkgcfg/plplot-template.pc.cmake.pkgconfig
> plplot-5.9.9/pkgcfg/plplot-template.pc.cmake
> --- plplot-5.9.9/pkgcfg/plplot-template.pc.cmake.pkgconfig 2011-10-12
> 18:43:01.000000000 -0600
> +++ plplot-5.9.9/pkgcfg/plplot-template.pc.cmake 2011-11-23
> 16:47:14.627158764 -0700
> @@ -4,7 +4,7 @@ drvdir=@LIB_DIR@/plplot@VERSION@/drivers
>
> Name: PLplot @PC_SHORT_NAME@
> Description: Scientific plotting library (@PC_LONG_NAME@@PC_PRECISION@
> precision)
> -Requires: @PC_REQUIRES@
> +Requires.private: @PC_REQUIRES@
> Version: @VERSION@
> Libs: -L${libdir} @PC_LINK_FLAGS@
> Cflags: -I${includedir} @PC_COMPILE_FLAGS@
>
> Which hopefully handles most/all in one swoop.
>Test building the examples with this change I get: /usr/bin/gnatmake -aI/usr/share/ada/adainclude/plplotadad -aL/usr/lib/ada/adalib/plplotadad x15a.adb \ -cargs `PKG_CONFIG_PATH=/usr/lib/pkgconfig pkg-config --cflags plplotd-ada` -largs `PKG_CONFIG_PATH=/usr/lib/pkgconfig pkg-config --libs plplotd-ada` gcc -c -I/usr/share/ada/adainclude/plplotadad -I/usr/include/plplot x15a.adb gnatbind -aI/usr/share/ada/adainclude/plplotadad -aO/usr/lib/ada/adalib/plplotadad -x x15a.ali gnatlink x15a.ali -lplplotadad /usr/bin/ld: ./x15a.o: undefined reference to symbol 'c_plfill' /usr/bin/ld: note: 'c_plfill' is defined in DSO /usr/lib/libplplotd.so.11 so try adding it to the linker command line /usr/lib/libplplotd.so.11: could not read symbols: Invalid operation collect2: ld returned 1 exit status gnatlink: error when calling /usr/bin/gcc gnatmake: *** link failed. So something in the ada bindings can require (but not always) linking against plplotd. Others: /usr/lib/ccache/c++ x17.cc -o x17 `pkg-config --cflags --libs plplotd-c++` /usr/bin/ld: /tmp/ccUpkDBH.o: undefined reference to symbol 'c_plrandd' /usr/bin/ld: note: 'c_plrandd' is defined in DSO /usr/lib/libplplotd.so.11 so try adding it to the linker command line /usr/lib/libplplotd.so.11: could not read symbols: Invalid operation So I think it is probably worth it to keep plplotd in the Requires, but perhaps move the others items out of the plplotd.pc Requires. Here's an odd one: make[1]: Entering directory `/usr/share/plplot5.9.9/examples/f77' /usr/bin/gfortran x01f.f -o x01f `pkg-config --cflags --libs plplotd-f77` x01f.f:29: Error: Can't open included file 'plplot_parameters.h' make[1]: *** [x01f] Error 1 Apparently with gfortran you must explicitly add -I/usr/include. -- Orion Poplawski Technical Manager 303-415-9701 x222 NWRA/CoRA Division FAX: 303-415-9702 3380 Mitchell Lane or...@cora.nwra.com Boulder, CO 80301 http://www.cora.nwra.com ------------------------------------------------------------------------------ All the data continuously generated in your IT infrastructure contains a definitive record of customers, application performance, security threats, fraudulent activity, and more. Splunk takes this data and makes sense of it. IT sense. And common sense. http://p.sf.net/sfu/splunk-novd2d _______________________________________________ Plplot-devel mailing list Plplot-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/plplot-devel
