cpan> install DB_File
Running install for module 'DB_File'
Running make for P/PM/PMQS/DB_File-1.820.tar.gz
Checksum for D:\cpan\sources\authors\id\P\PM\PMQS\DB_File-1.820.tar.gz ok

  CPAN.pm: Going to build P/PM/PMQS/DB_File-1.820.tar.gz

Parsing config.in...
Looks Good.
Checking if your kit is complete...
Looks good
Note (probably harmless): No library found for -ldb
Writing Makefile for DB_File
cp DB_File.pm blib\lib\DB_File.pm
AutoSplitting blib\lib\DB_File.pm (blib\lib\auto\DB_File)
gcc -c  -I/usr/local/BerkeleyDB/include         -s -O2 -DWIN32 -DHAVE_DES_FCRYPT -DPERL_IMPLICIT_CONTEXT -DPERL_IMPLICIT_SYS -fno-strict-aliasing -DP
refix_t=size_t -DmDB_Hash_t=u_int32_t version.c
'gcc' is not recognized as an internal or external command,
operable program or batch file.
dmake.exe:  Error code 129, while making 'version.o'
  PMQS/DB_File-1.820.tar.gz
  D:\c\bin\dmake.exe -- NOT OK
Running make test
  Can't test without successful make
Running make install
  Make had returned bad status, install seems impossible
Failed during this command:
 PMQS/DB_File-1.820.tar.gz                    : make NO