You're trying to use gcc to compile DBI, are you sure your perl was compiled with gcc? Note that you need to use perl -V, not  perl -v to see what compiler was used to compile perl. For example, 
$ perl -V | grep -A1 Compiler
  Compiler:
    cc='cc', ccflags ='-g -pipe -fno-common -DPERL_DARWIN -no-cpp-prec
+omp -fno-strict-aliasing -I/usr/local/include',

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In reply to Re^3: CPAN install DBI-1.53 by duckyd
in thread CPAN install DBI-1.53 by Anonymous Monk

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