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Re: [sumo-user] Issue with Xerces and Ubuntu 18.04
We had a similar issue with our test servers today after an ubuntu update. In our case it was fixed by removing an existing local xerces build and just using the ubuntu default.

2018-08-15 12:19 GMT+02:00 Harald Schaefer <haraldschaefer@xxxxxxxxxxx>:
Hello

the xerces version number is defined in this header file /usr/include/xercesc/util/XercesVersion.hpp around line 130.
I think you have an old version of this file in your ubuntu installation
I recommend to deinstall libxerces-c-dev, the above mentioned header file should go away and then (re)install this package.
Check then the lines around line 130 in the XercesVersion.hpp file, they should read
   129  #define XERCES_VERSION_MAJOR 3
   130  #define XERCES_VERSION_MINOR 2
   131  #define XERCES_VERSION_REVISION 0

Greetings, Harald


Am 14.08.2018 um 23:37 schrieb Levente Alekszejenkó:
Hello,

To be exact, it is SUMO v0.32.0+2032-aefbc56321.

I have also installed the packages, made a make clean. Err, no use...

So, I managed to find a workaround:
To every file the compiler shew an error, I added the following simple and ugly macro:
#ifdef XERCES_CPP_NAMESPACE
   #undef XERCES_CPP_NAMESPACE
#endif
#define XERCES_CPP_NAMESPACE

It's not the best solution, but it works for me.

Best regards,
Levente Alekszejenkó

Harald Schaefer <haraldschaefer@xxxxxxxxxxx> ezt írta (időpont: 2018. aug. 14., K, 8:22):
Hello,

for me SUMO and Ubuntu 18.04 works fine.
I have installed the package libxerces-c-dev and libxerces-c3.2.
Which version of SUMO are you using?
Have you made a make clean before running ./configure etc.?

Greetings, Harald


Am 14.08.2018 um 00:15 schrieb Levente Alekszejenkó:
Hello,

I have experienced the following problem after upgrading to Ubuntu 18.04:
I cannot compile SUMO, because I get a load of "undefined reference to xercesc_3_1::..." error.
As I believe the problem is that the old version of Ubuntu contained Xerces version 3.1 and the version upgrade updated it to version 3.2 as well.
However I have already tried the basic step for Linux build in connection with Xerces (I mean, I run autoconf, ./configure, make, etc.), I am still not able to compile SUMO.

Have you experienced the same issue?
Do you know any solution to this problem?

Thank you in advance,
Levente Alekszejenkó


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