make in doris_core fails

[anukesh7]

when l run make following error appers,

g++ -O -Wno-deprecated -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -D__USE_FFTW_LIBRARY__ -I../../fftw-3.2.1/include -c -o processor.o processor.cc
In file included from processor.cc:45:
orbitbk.hh:144:18: error: friend declaration of ‘int32 lp2xyz(real8, real8, const input_ell&, const slcimage&, orbit&, cn&, int32, real8)’ specifies default arguments and isn’t a definition [-fpermissive]
144 | friend int32 lp2xyz(
| ^~~~~~
orbitbk.hh:155:18: error: friend declaration of ‘int32 xyz2orb(cn&, const slcimage&, orbit&, const cn&, int32, real8)’ specifies default arguments and isn’t a definition [-fpermissive]
155 | friend int32 xyz2orb(
| ^~~~~~~
orbitbk.hh:164:18: error: friend declaration of ‘int32 xyz2t(real8&, real8&, const slcimage&, orbit&, const cn&, int32, real8)’ specifies default arguments and isn’t a definition [-fpermissive]
164 | friend int32 xyz2t(
| ^~~~~
orbitbk.hh:174:18: error: friend declaration of ‘int32 xyz2lp(real8&, real8&, const slcimage&, orbit&, const cn&, int32, real8)’ specifies default arguments and isn’t a definition [-fpermissive]
174 | friend int32 xyz2lp(
| ^~~~~~
orbitbk.hh:184:18: error: friend declaration of ‘int32 ell2lp(real8&, real8&, const input_ell&, const slcimage&, orbit&, real8, real8, real8, int32, real8)’ specifies default arguments and isn’t a definition [-fpermissive]
184 | friend int32 ell2lp(
| ^~~~~~
orbitbk.hh:197:18: error: friend declaration of ‘int32 lp2ell(real8, real8, const input_ell&, const slcimage&, orbit&, real8&, real8&, real8&, int32, real8)’ specifies default arguments and isn’t a definition [-fpermissive]
197 | friend int32 lp2ell(
| ^~~~~~
processor.cc: In function ‘int main(int, char**)’:
processor.cc:363:15: warning: ignoring return value of ‘int system(const char*)’, declared with attribute warn_unused_result [-Wunused-result]
363 | system(cmd);// this does the work
| ~~~~~~^~~~~
processor.cc:1204:15: warning: ignoring return value of ‘int system(const char*)’, declared with attribute warn_unused_result [-Wunused-result]
1204 | system(cmd);// This does the actual work
| ~~~~~~^~~~~
processor.cc:2208:41: warning: ignoring return value of ‘int system(const char*)’, declared with attribute warn_unused_result [-Wunused-result]
2208 | if (input_i_fine.plotoffsets) system(cmd);
| ~~~~~~^~~~~
processor.cc:2399:37: warning: ignoring return value of ‘int system(const char*)’, declared with attribute warn_unused_result [-Wunused-result]
2399 | if (input_i_coregpm.plot) system(cmd);
| ~~~~~~^~~~~
processor.cc: In function ‘void handleinput(int, char**, input_gen&)’:
processor.cc:3641:17: warning: ignoring return value of ‘int system(const char*)’, declared with attribute warn_unused_result [-Wunused-result]
3641 | system("helpdoris");
| ~~~~~~^~~~~~~~~~~~~
processor.cc:3650:17: warning: ignoring return value of ‘int system(const char*)’, declared with attribute warn_unused_result [-Wunused-result]
3650 | system(cmd);
| ~~~~~~^~~~~
processor.cc: In function ‘void preview(int32, int32, int32, const char*, const string&, const string&)’:
processor.cc:4170:11: warning: ignoring return value of ‘int system(const char*)’, declared with attribute warn_unused_result [-Wunused-result]
4170 | system(DEBUG.get_str());
| ~~~~~~^~~~~~~~~~~~~~~~~
processor.cc:4175:11: warning: ignoring return value of ‘int system(const char*)’, declared with attribute warn_unused_result [-Wunused-result]
4175 | system(INFO.get_str());
| ~~~~~~^~~~~~~~~~~~~~~~
make: *** [Makefile:158: processor.o] Error 1

---

system information
uname -a
Linux panicker 5.4.0-51-generic #56-Ubuntu SMP Mon Oct 5 14:28:49 UTC 2020 x86_64 x86_64 x86_64 GNU/Linux

lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 20.04.1 LTS
Release: 20.04
Codename: focal

g++ --version
g++ (Ubuntu 9.3.0-17ubuntu1~20.04) 9.3.0
Copyright (C) 2019 Free Software Foundation, Inc.
This is free software; see the source for copying conditions. There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

[avalentino]

Hi @anukesh7, I see you are on ubuntu.
Ubuntu already has a package for doris, you don't need to build:

$ sudo apt install doris

[scarman25]

Hi, I try to install Doris on Windows by Cygwin, also i met this ERROR...what is solution?Help pls