Hi I got following error while compiling ns2.1b8a. Please help. Haseeb
c++ -c -DTCP_DELAY_BIND_ALL -DNO_TK -DNIXVECTOR -DTCLCL_CLASSINSTVAR -DNDEBUG -DUSE_SHM -DHAVE_LIBTCLCL -DHAVE_TCLCL_H -DHAVE_LIBOTCL1_0A7 -DHAVE_OTCL_H -DHAVE_LIBTK8_3 -DHAVE_TK_H -DHAVE_LIBTCL8_3 -DHAVE_TCL_H -DHAVE_CONFIG_H -I. -I/bonhome/haseeb/work/ns-allinone-2.1b8a/tclcl-1.0b11 -I/bonhome/haseeb/work/ns-allinone-2.1b8a/otcl-1.0a7 -I/bonhome/haseeb/work/ns-allinone-2.1b8a/include -I/bonhome/haseeb/work/ns-allinone-2.1b8a/include -o route.o route.cc c++ -c -DTCP_DELAY_BIND_ALL -DNO_TK -DNIXVECTOR -DTCLCL_CLASSINSTVAR -DNDEBUG -DUSE_SHM -DHAVE_LIBTCLCL -DHAVE_TCLCL_H -DHAVE_LIBOTCL1_0A7 -DHAVE_OTCL_H -DHAVE_LIBTK8_3 -DHAVE_TK_H -DHAVE_LIBTCL8_3 -DHAVE_TCL_H -DHAVE_CONFIG_H -I. -I/bonhome/haseeb/work/ns-allinone-2.1b8a/tclcl-1.0b11 -I/bonhome/haseeb/work/ns-allinone-2.1b8a/otcl-1.0a7 -I/bonhome/haseeb/work/ns-allinone-2.1b8a/include -I/bonhome/haseeb/work/ns-allinone-2.1b8a/include -o connector.o connector.cc c++ -c -DTCP_DELAY_BIND_ALL -DNO_TK -DNIXVECTOR -DTCLCL_CLASSINSTVAR -DNDEBUG -DUSE_SHM -DHAVE_LIBTCLCL -DHAVE_TCLCL_H -DHAVE_LIBOTCL1_0A7 -DHAVE_OTCL_H -DHAVE_LIBTK8_3 -DHAVE_TK_H -DHAVE_LIBTCL8_3 -DHAVE_TCL_H -DHAVE_CONFIG_H -I. -I/bonhome/haseeb/work/ns-allinone-2.1b8a/tclcl-1.0b11 -I/bonhome/haseeb/work/ns-allinone-2.1b8a/otcl-1.0a7 -I/bonhome/haseeb/work/ns-allinone-2.1b8a/include -I/bonhome/haseeb/work/ns-allinone-2.1b8a/include -o ttl.o ttl.cc c++ -c -DTCP_DELAY_BIND_ALL -DNO_TK -DNIXVECTOR -DTCLCL_CLASSINSTVAR -DNDEBUG -DUSE_SHM -DHAVE_LIBTCLCL -DHAVE_TCLCL_H -DHAVE_LIBOTCL1_0A7 -DHAVE_OTCL_H -DHAVE_LIBTK8_3 -DHAVE_TK_H -DHAVE_LIBTCL8_3 -DHAVE_TCL_H -DHAVE_CONFIG_H -I. -I/bonhome/haseeb/work/ns-allinone-2.1b8a/tclcl-1.0b11 -I/bonhome/haseeb/work/ns-allinone-2.1b8a/otcl-1.0a7 -I/bonhome/haseeb/work/ns-allinone-2.1b8a/include -I/bonhome/haseeb/work/ns-allinone-2.1b8a/include -o trace.o trace.cc In file included from trace.cc:44: tfrc.h:116: friend declaration requires class-key, i.e. `friend class TfrcSendTimer' tfrc.h:117: friend declaration requires class-key, i.e. `friend class TfrcNoFeedbackTimer' make: *** [trace.o] Error 1 Ns make failed! See http://www.isi.edu/nsnam/ns/ns-problems.html for problems