Gack. I totally missed this. (Sorry... it's late... or early rather...)
--cflags=-I/usr/local/mysql -libs=-L/path/to/mysql/libs
Should be 
--cflags=-I/usr/local/mysql/include -libs=-L/usr/local/mysql/lib/mysql
That's why your compiler is unable to find mysql.h and errmsg.h. It doesn't have the right include directory set. (Assuming your mysql install directory is /usr/local/mysql/)

In reply to Re: Installing DBD via CPAN by dondelelcaro
in thread Installing DBD via CPAN by costas

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