[Bro] Installing Bro

[Sirisha]

Hi. Configure worked fine. but 'make' gives me some error.
If anyone gets a chance, please look into the error and help me fix. I'm pasting the config summary & the make error below.

thanks.

                  Bro Configuration Summary
==========================================================

  - Debugging enabled:      no
  - OpenSSL support:        yes
  - Non-blocking main loop: yes
  - Non-blocking resolver:  yes
  - Installation prefix:    /opt/bro
  - Perl interpreter:       /usr/bin/perl
  - Using basic_string:     yes
  - Using libmagic:         No
  - Using perftools:        no
  - Binpac used:            shipped with Bro
  - Using libGeoIP:         No
  - XQuery support:         no
  - Pcap used:              system-provided

-----------------------------------------------------
23:06:43-root at host2:/opt/bro/work#make
make  all-recursive
make[1]: Entering directory `/opt/bro/work'
Making all in aux
make[2]: Entering directory `/opt/bro/work/aux'
make  all-recursive
make[3]: Entering directory `/opt/bro/work/aux'
Making all in adtrace
make[4]: Entering directory `/opt/bro/work/aux/adtrace'
make[4]: Nothing to be done for `all'.
make[4]: Leaving directory `/opt/bro/work/aux/adtrace'
Making all in binpac
make[4]: Entering directory `/opt/bro/work/aux/binpac'
make  all-recursive
make[5]: Entering directory `/opt/bro/work/aux/binpac'
Making all in lib
make[6]: Entering directory `/opt/bro/work/aux/binpac/lib'
g++ -DHAVE_CONFIG_H -I. -I..     -g -O2 -MT binpac_buffer.o -MD -MP -MF .deps/bi
npac_buffer.Tpo -c -o binpac_buffer.o binpac_buffer.cc
mv -f .deps/binpac_buffer.Tpo .deps/binpac_buffer.Po
g++ -DHAVE_CONFIG_H -I. -I..     -g -O2 -MT binpac_bytestring.o -MD -MP -MF .dep
s/binpac_bytestring.Tpo -c -o binpac_bytestring.o binpac_bytestring.cc
mv -f .deps/binpac_bytestring.Tpo .deps/binpac_bytestring.Po
rm -f libbinpac.a
ar cru libbinpac.a binpac_buffer.o binpac_bytestring.o
ranlib libbinpac.a
make[6]: Leaving directory `/opt/bro/work/aux/binpac/lib'
Making all in src
make[6]: Entering directory `/opt/bro/work/aux/binpac/src'
/bin/sh ../ylwrap pac_parse.yy y.tab.c pac_parse.cc y.tab.h pac_parse.h y.output
 pac_parse.output -- yacc  -d -t -v
../ylwrap: line 111: yacc: command not found
make[6]: *** [pac_parse.cc] Error 1
make[6]: Leaving directory `/opt/bro/work/aux/binpac/src'
make[5]: *** [all-recursive] Error 1
make[5]: Leaving directory `/opt/bro/work/aux/binpac'
make[4]: *** [all] Error 2
make[4]: Leaving directory `/opt/bro/work/aux/binpac'
make[3]: *** [all-recursive] Error 1
make[3]: Leaving directory `/opt/bro/work/aux'
make[2]: *** [all] Error 2
make[2]: Leaving directory `/opt/bro/work/aux'
make[1]: *** [all-recursive] Error 1
make[1]: Leaving directory `/opt/bro/work'
make: *** [all] Error 2