Compiling errors in Centos 7.9

[lucien2016]

make
make -C src -f MakeApp.mk decpcap_test
make[1]: Entering directory /tmp/nethogs-0.8.7/src' cc -Wall -Wextra -c decpcap.c g++ -Wall -Wextra -Wno-missing-field-initializers decpcap_test.cpp decpcap.o -o decpcap_test -lpcap -lm make[1]: Leaving directory /tmp/nethogs-0.8.7/src'
make -C src -f MakeApp.mk test
make[1]: Entering directory /tmp/nethogs-0.8.7/src' g++ -Wall -Wextra -Wno-missing-field-initializers conninode_test.cpp -o conninode_test for test in conninode_test; do echo $test ; ./$test ; done conninode_test make[1]: Leaving directory /tmp/nethogs-0.8.7/src'
make -C src -f MakeApp.mk nethogs
make[1]: Entering directory /tmp/nethogs-0.8.7/src' g++ -Wall -Wextra -Wno-missing-field-initializers -c packet.cpp packet.cpp: In member function ‘Packet Packet::onlySource() const’: packet.cpp:310:13: error: ‘begin’ is not a member of ‘std’ std::fill(std::begin(p.dip6.s6_addr), std::end(p.dip6.s6_addr), 0); ^ packet.cpp:310:41: error: ‘end’ is not a member of ‘std’ std::fill(std::begin(p.dip6.s6_addr), std::end(p.dip6.s6_addr), 0); ^ make[1]: *** [packet.o] Error 1 make[1]: Leaving directory /tmp/nethogs-0.8.7/src'
make: *** [nethogs] Error 2

[raboof]

These seem to have been there since C++98. What g++ version are you using?

I see you are building version 0.8.7. Do you have the same problem on latest main?

[lucien2016]

last main
[root@xxxx nethogs-main]# make
make -C src -f MakeApp.mk decpcap_test
make[1]: Entering directory /tmp/nethogs-main/src' g++ -Wall -Wextra -Wno-missing-field-initializers -std=c++14 decpcap_test.cpp decpcap.o -o decpcap_test -lpcap -lm g++: error: unrecognized command line option ¡-std=c++14¡¯ make[1]: *** [decpcap_test] Error 1 make[1]: Leaving directory /tmp/nethogs-main/src'
make: *** [decpcap_test] Error 2

[raboof]

OK, does that mean you have a version of G++ that does not support c++14 yet? You didn't mention what version of g++ you are using.

[lucien2016]

g++ --version
g++ (GCC) 4.8.5 20150623 (Red Hat 4.8.5-44)
Copyright (C) 2015 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.

centos 7.9 default is 4.8.5

[raboof]

OK, from https://gcc.gnu.org/projects/cxx-status.html#cxx14 it looks like c++14 is only fully supported since g++ 5.

[fanxiao92]

first install blew package

sudo yum install -y centos-release-scl
sudo yum install -y devtoolset-7

then add blew content to Makefile head

export CC=/opt/rh/devtoolset-7/root/usr/bin/gcc
export CXX=/opt/rh/devtoolset-7/root/usr/bin/g++

last run make command.