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Genhtml problem with lcov

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Top Forums Programming Genhtml problem with lcov
# 1  
Old 02-04-2013
Bug Genhtml problem with lcov
Hi,

I am using lcov10.0-1 version. While doing make with target as follows
Code:
make -j17 'targetname'

am getting following errors. Its giving different errors different times.
Code:
genhtml: ERROR: cannot open /proj/ecoNH:0 for reading!
make[3]: *** [CMakeFiles/genhtml] Error 2
make[2]: *** [CMakeFiles/genhtml.dir/all] Error 2
make[1]: *** [CMakeFiles/unittest.dir/rule] Error 2
make: *** [unittest] Error 2
 
==========================================================
genhtml: ERROR: cannot open /home/mafting8internal8EqHelperILb0EE7CompareIbbEENS_15AssertionResultEPKcS6_RKT_RKT0_ for reading!
make[3]: *** [CMakeFiles/genhtml] Error 2
make[2]: *** [CMakeFiles/genhtml.dir/all] Error 2
make[1]: *** [CMakeFiles/unittest.dir/rule] Error 2
make: *** [unittest] Error 2
==========================================================
genhtml: ERROR: cannot open /proj/ecoderINS_4VoidEEC1Ev for reading!
make[3]: *** [CMakeFiles/genhtml] Error 2
make[2]: *** [CMakeFiles/genhtml.dir/all] Error 2
make[1]: *** [CMakeFiles/unittest.dir/rule] Error 2
make: *** [unittest] Error 2
==========================================================
genhtml: ERROR: cannot open /proj/eco:321,_ZNSt8multimapImSt4pairIKSsPP16MafNameValuePairESt4lessImESaIS0_IKmS5_EEE3endEv for reading!
make[3]: *** [CMakeFiles/genhtml] Error 2
make[2]: *** [CMakeFiles/genhtml.dir/all] Error 2
make[1]: *** [CMakeFiles/genhtml.dir/rule] Error 2
make: *** [genhtml] Error 2
==========================================================
genhtml: ERROR: cannot open /home/mafF:4 for reading!
make[3]: *** [CMakeFiles/genhtml] Error 2
make[2]: *** [CMakeFiles/genhtml.dir/all] Error 2
make[1]: *** [CMakeFiles/unittest.dir/rule] Error 2
make: *** [unittest] Error 2
==========================================================

Please help me on this.

Note: Am not getting any errors when I compiling without '-j' option and also have all permission for directories.

Thanks in Advance.

Moderator's Comments:
Mod Comment edit by bakunin: You probably didn't want to put this in the "Frequently Asked Questions" section, did you? I'll move this thread to the "Programming" section.
Last edited by bakunin; 02-04-2013 at 10:33 AM.. Reason: Wrong forum
# 2  
Old 02-04-2013
Looks like there is a dependency between the makefile commands so your best option maybe running serially that is without the "-j" switch. The "-j" switch causes commands to be run in parallel but no assumptions can be made about their scheduling or their input and output streams...
This User Gave Thanks to shamrock For This Post:
ajay09c
# 3  
Old 02-04-2013
Bug Genhtml problem with lcov
Hi,

Thanks for your reply and other things are working with '-j' option fine.
what is the problem in this part only?

can you explain more?

Thanks in Advance.
# 4  
Old 02-04-2013
genhtml may be using the same input or output files here, causing problems when they start stomping over each other's files.

Imagine you're trying to add 9 files to a zip, and make decides to run 9 instances of zip simultaneously. Confusion and possible corruption would result since zip does not work that way. It needs to go one at a time.
This User Gave Thanks to Corona688 For This Post:
ajay09c
# 5  
Old 02-05-2013
Bug
HI,

Thanks for your response.

you mean to say we should use only the command without '-j' option or is there any other way is there?

Did I check my CMake files and makefile like that?

Thanks in Advance.
# 6  
Old 02-05-2013
"Did I check my CMake files?" I suspect that question didn't cross the language barrier, come again?
This User Gave Thanks to Corona688 For This Post:
ajay09c
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