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[fixed] cmake bug in EvtGen [message #11206]

Mon, 22 November 2010 13:29

Malgorzata Gumberidze
Messages: 98
Registered: June 2005

continuous participant

From: *in2p3.fr

Trying to install pandaroot. I go following message right after
cmake:

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CMake Error: Error Target: EvtGen Contains more than one Prefered language: Fortran and CXX
You must set the LINKER_LANGUAGE property for this target.

to fix it, it is neceseary to make following changes in the EvtGen/CMakeList.txt:

 
sudol@ipnei14:/projet/panda/pandaroot/jan10/buildPanda$ svn diff  ../trunk/pgenerators/EvtGen/CMakeLists.txt 
Index: ../trunk/pgenerators/EvtGen/CMakeLists.txt
===================================================================
--- ../trunk/pgenerators/EvtGen/CMakeLists.txt	(revision 10338)
+++ ../trunk/pgenerators/EvtGen/CMakeLists.txt	(working copy)
@@ -294,12 +294,12 @@
 add_library(EvtGen SHARED ${EVTGEN_SRCS})
 target_link_libraries(EvtGen ${ROOT_LIBRARIES} Pythia6 Photos ${Fortran_UseLib})
 set_target_properties(EvtGen PROPERTIES ${FAIRROOT_LIBRARY_PROPERTIES})
-set_target_properties(EvtGen PROPERTIES LINK_FLAGS "-fPIC")
+set_target_properties(EvtGen PROPERTIES LINK_FLAGS "-fPIC" LINKER_LANGUAGE CXX)

 foreach(program ${ALLEvtGen_exe})
 	add_executable(EvtGen_exe_${program} ${program}.cc)
 	set_target_properties(EvtGen_exe_${program} PROPERTIES OUTPUT_NAME ${program})
-	set_target_properties(EvtGen_exe_${program} PROPERTIES LINK_FLAGS "-fPIC")
+	set_target_properties(EvtGen_exe_${program} PROPERTIES LINK_FLAGS "-fPIC" LINKER_LANGUAGE CXX)
 	target_link_libraries(EvtGen_exe_${program} ${ROOT_LIBRARIES} EvtGen Pythia6 Photos ${Fortran_UseLib} CLHEP)
 endforeach(program)

I do not know if this fix works for everybody, it would be nice if expert can check it, and commit solution to svn.

gosia

[Updated on: Mon, 22 November 2010 14:09]

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Re: cmake bug in EvtGen [message #11207 is a reply to message #11206]

Mon, 22 November 2010 13:36

Malgorzata Gumberidze
Messages: 98
Registered: June 2005

continuous participant

From: *in2p3.fr

it seams that cmake is working, but i have new problem :

[ 18%] Built target DpmEvtGen_exe
Scanning dependencies of target Photos
make[2]: *** No rule to make target `of.mod.proxy', needed by `pgenerators/EvtGen/photos/CMakeFiles/Photos.dir/phomak.o.requires'.  Stop.
make[1]: *** [pgenerators/EvtGen/photos/CMakeFiles/Photos.dir/all] Error 2
make: *** [all] Error 2

can someone help me with that ?

gosia

ps. i'm using 64-bit machine with ubuntu and gcc 4.2.4

[Updated on: Mon, 22 November 2010 13:38]

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Re: cmake bug in EvtGen [message #11209 is a reply to message #11207]

Mon, 22 November 2010 13:48

Sverre Dørheim
Messages: 23
Registered: October 2008
Location: Munich

occasional visitor

From: *e18.physik.tu-muenchen.de

Hello Gosia

Are you using the CMake from the external packages or an older version. This problem usually occurs when using CMake 2.4.* and not the version from the external packages (2.6.3).

Cheers
Sverre

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Re: cmake bug in EvtGen [message #11210 is a reply to message #11209]

Mon, 22 November 2010 14:08

Malgorzata Gumberidze
Messages: 98
Registered: June 2005

continuous participant

From: *in2p3.fr

Hi,

You were right, i was using cmake from my own /user/bin
which is 2.4-path7, after correcting it compiling.
It also fix problem with photos, which i mention in my other message.

The problem is that cmake from pandaroot is not taken
automatically as default cmake. Maybe warning message
could be helpful.

thanks a lot
gosia

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Re: cmake bug in EvtGen [message #11211 is a reply to message #11210]

Mon, 22 November 2010 14:21

Felix Boehmer
Messages: 149
Registered: May 2007
Location: Munich

first-grade participant

From: *natpool.mwn.de

Hi gosia,

I agree. Since one can very easily set version requirements in the CMakeLists, I think this should be done to get rid of these kind of problems.

Regards

Felix

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Re: cmake bug in EvtGen [message #11212 is a reply to message #11211]

Mon, 22 November 2010 14:48

Florian Uhlig
Messages: 424
Registered: May 2007

first-grade participant

From: *gsi.de

Hi

This is implemented in the main CMakeLists.txt. The minimal version required is 2.4.3. You only have to change this version.

Ciao

Florian

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Re: cmake bug in EvtGen [message #11213 is a reply to message #11212]

Mon, 22 November 2010 15:03

Felix Boehmer
Messages: 149
Registered: May 2007
Location: Munich

first-grade participant

From: *natpool.mwn.de

Sure,

but the point was to help the user to avoid falling into that pitfall in the first place (it didn't happen for the first time), so leaving this modification to the user kind of goes full circle to the initial problem Smile

It should be rather easy to make this modification "official".

Regards

Felix

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Re: cmake bug in EvtGen [message #11214 is a reply to message #11213]

Mon, 22 November 2010 16:14

Florian Uhlig
Messages: 424
Registered: May 2007

first-grade participant

From: *gsi.de

Hi Felix

I didn't meant that this should be done by the user. This should be done by some Panda developer. I will not change this, because afterwards there will be many complains that the build system is not working (from my experience) and so on. If
it is officially decided and i am asked to change it i will do so.

Ciao

Florian

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Re: cmake bug in EvtGen [message #11223 is a reply to message #11214]

Tue, 23 November 2010 00:02

Johan Messchendorp
Messages: 693
Registered: April 2007
Location: University of Groningen

first-grade participant

From: *xs4all.nl

Hi Florian,

Do you foresee any incompatibilities with this change? To me it looks pretty harmless. But then again, you have more experiences with this....

Johan

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Re: cmake bug in EvtGen [message #11224 is a reply to message #11223]

Tue, 23 November 2010 07:06

Florian Uhlig
Messages: 424
Registered: May 2007

first-grade participant

From: *pools.arcor-ip.net

Hi Johan

I don't expect problems concerning the code. I expect problems with users still using a old version of cmake which will complain after the change because their cmake isn't working any longer. So it's more a social than a technical problem.

Ciao

Florian

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Re: cmake bug in EvtGen [message #11225 is a reply to message #11224]

Tue, 23 November 2010 10:24

Malgorzata Gumberidze
Messages: 98
Registered: June 2005

continuous participant

From: *in2p3.fr

by the way i have tried to launch nightly build today and i got following message:

sudol@ipnei14:/projet/panda/pandaroot/jan10/dart/trunk$ ./Dart_gosia.sh Nightly
************************
Tue Nov 23 10:19:19 CET 2010
LABEL:  Ubuntu64-GNU_Linux-x86_64-gcc4.2.4-fairsoft_jan10
SITE:  ipnei14
Model:  Nightly
Nr. of processes:  2
************************
CMake Error: Error required internal CMake variable not set, cmake may be not be built correctly.
Missing variable is:
CMAKE_BACKWARDS_COMPATIBILITY
Run dashboard with model Nightly

is it normal ?

gosia

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