Build failed

[hexi519]

when I run ./waf build ,shell shows that :

Build failed
 -> task in 'ns3-opengym-test' failed with exit status 1: 
	{task 140398157760224: cxx opengym-test-suite.cc -> opengym-test-suite.cc.3.o}
['/usr/bin/g++', '-O0', '-ggdb', '-g3', '-Wall', '-Werror', '-std=c++11', '-fstrict-aliasing', '-Wstrict-aliasing', '-I../src/opengym', '-fPIC', '-pthread', '-I.', '-I..', '-DNS3_BUILD_PROFILE_DEBUG', '-DNS3_ASSERT_ENABLE', '-DNS3_LOG_ENABLE', '-DHAVE_SYS_IOCTL_H=1', '-DHAVE_IF_NETS_H=1', '-DHAVE_NET_ETHERNET_H=1', '-DHAVE_PACKET_H=1', '-DHAVE_ZMQ=1', '-DHAVE_PROTOBUF=1', '-DHAVE_SQLITE3=1', '-DHAVE_IF_TUN_H=1', '-DHAVE_GSL=1', '-DNS_TEST_SOURCEDIR="src/opengym/test"', '../src/opengym/test/opengym-test-suite.cc', '-c', '-o/home/hesy/ns3-gym/ns3-gym/build/src/opengym/test/opengym-test-suite.cc.3.o']

[hexi519]

I just reinstalled and fix it...

[hexi519]

I found I run into the same problem again and last time I thougt I have fixed it , yet actually I just used './waf configure ' instead of './waf configure --enable-tests ' to work around.