HI I am using ns2 from last few moth i was working fine now few day to ago its showing error when trying to run make command. all solution are well come the error msg is as follow
barjinder@barjinder-HP-ProBook-4420s:~$ cd ns-allinone-2.35 barjinder@barjinder-HP-ProBook-4420s:~/ns-allinone-2.35$ cd ns-2.35 barjinder@barjinder-HP-ProBook-4420s:~/ns-allinone-2.35/ns-2.35$ ./configure ./configure: line 2097: config.log: Permission denied ./configure: line 2107: config.log: Permission denied barjinder@barjinder-HP-ProBook-4420s:~/ns-allinone-2.35/ns-2.35$ ./configure ./configure: line 2097: config.log: Permission denied ./configure: line 2107: config.log: Permission denied barjinder@barjinder-HP-ProBook-4420s:~/ns-allinone-2.35/ns-2.35$ make /home/barjinder/ns-allinone-2.35/bin/tclsh8.5 bin/tcl-expand.tcl tcl/lib/ns-lib.tcl tcl/lib/ns-diffusion.tcl tcl/delaybox/delaybox.tcl tcl/packmime/packmime.tcl tcl/tmix/tmix.tcl tcl/tmix/tmix_delaybox.tcl | ../tclcl-1.20/tcl2c++ et_ns_lib > gen/ns_tcl.cc /bin/sh: 1: cannot create gen/ns_tcl.cc: Permission denied error writing "stdout": broken pipe while executing "puts "### tcl-expand.tcl: begin expanding $name"" (procedure "expand_file" line 2) invoked from within "expand_file [file tail $name]" ("foreach" body line 5) invoked from within "foreach name $argv { set dirname [file dirname $name] if {$dirname != "."} { cd $dirname expand_file [file tail $name] cd $startupDir } else ..." (file "bin/tcl-expand.tcl" line 65) make: *** [gen/ns_tcl.cc] Error 2 -- barjinder