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[OpenFOAM.com] POSIX/POSIX.o Error 1 when compiling OpenFoam2112 in Ubuntu20.04

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Old   May 9, 2022, 22:20
Default POSIX/POSIX.o Error 1 when compiling OpenFoam2112 in Ubuntu20.04
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wdm
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I followed instruction and got the following error when compiling OpenFoam 2112 in Ubuntu 20.04

Quote:
vi log.linux64GccDPInt32Opt
<template-parameter-1-2> >::assign(const _Ch_type*, std::__cxx11::basic_regex< <template-parameter-1-1>, <template-parameter-1-2> >::flag_type) [with _Ch_type = char; _Rx_traits = std::__cxx11::regex_traits<char>; std::__cxx11::basic_regex< <template-parameter-1-1>, <template-parameter-1-2> >::flag_type = std::regex_constants::syntax_option_type]’
/home/user/src/OpenFOAM-v2112/src/OpenFOAM/lnInclude/regExpCxxI.H:188:22: required from here
/usr/include/c++/9/bits/regex_scanner.tcc:101:23: error: invalid conversion from ‘const char*’ to ‘char*’ [-fpermissive]
101 | if (std::strchr(_M_spec_char, _M_ctype.narrow(__c, ' ')) == nullptr)
| ^~~~~~~~~~~~
| |
| const char*
In file included from /home/user/src/OpenFOAM-v2112/src/OpenFOAM/lnInclude/string.H:56,
from /home/user/src/OpenFOAM-v2112/src/OpenFOAM/lnInclude/word.H:46,
from /home/user/src/OpenFOAM-v2112/src/OpenFOAM/lnInclude/fileName.H:51,
from /home/user/src/OpenFOAM-v2112/src/OpenFOAM/lnInclude/fileNameList.H:49,
from /home/user/src/OpenFOAM-v2112/src/OpenFOAM/lnInclude/OSspecific.H:42,
from POSIX.C:37:
/usr/include/c++/9/cstring:106:16: note: initializing argument 1 of ‘char* std::strchr(char*, int)’
106 | strchr(char* __s, int __n)
| ~~~~~~^~~
make: *** [/home/user/src/OpenFOAM-v2112/wmake/rules/General/transform:35: /home/user/src/OpenFOAM-v2112/build/linux64GccDPInt32Opt/src/OSspecific/POSIX/POSIX.o] Error 1
"log.linux64GccDPInt32Opt" 55913L, 5616415C
I have the following software installed:
Quote:
user@PC:~/src/OpenFOAM-v2112$ mpiexec --version
mpiexec (OpenRTE) 4.0.3
Report bugs to http://www.open-mpi.org/community/help/
user@ PC:~/src/OpenFOAM-v2112$ cmake --version
cmake version 3.16.3
user@ PC:~/src/OpenFOAM-v2112$ flex --version
flex 2.6.4
user@PC:~/src/OpenFOAM-v2112$ m4 --version
m4 (GNU M4) 1.4.18
user@PC:~/src/OpenFOAM-v2112$ gcc --version
gcc (Ubuntu 9.4.0-1ubuntu1~20.04.1) 9.4.0
user@PC:~/src/OpenFOAM-v2112$
Any idea what might be the root cause of that error? gcc? thanks.
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Old   July 15, 2022, 05:51
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The original poster might have figured this one out but I'm posting it for future reference.

Basically you have messed up the LD_LIBRARY_PATH environment variable in some ways. Check your bashrc or bash_profile and see if you have exported some weird path to it. Do "echo $LD_LIBRARY_PATH".

To solve this, clean up your bashrc (comment out any exported LD_LIBRARY_PATH ) and restart the terminal for a fresh environment. Then you should be fine to go ahead with the compilation. You might also want to deactivate any conda environment as well just to be sure, even the base one.
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