build: require -lm for metrics.
build: require -lm for metrics.

jqk6/libbson,remicollet/libbson,mapr/libbson,derickr/libbson,jqk6/libbson,mapr/libbson,paulmelnikow/libbson,mapr/libbson,Convey-Compliance/libbson,Machyne/libbson,mongodbinc-interns/libbson,Machyne/libbson,paulmelnikow/libbson,mongodbinc-interns/libbson,rayyang2000/libbson,rayyang2000/libbson,mongodbinc-interns/libbson,bjori/libbson,4Second2None/libbson_tmp,rcsanchez97/libbson,alexeyvo/libbson,derickr/libbson,Convey-Compliance/libbson,remicollet/libbson,jqk6/libbson,rayyang2000/libbson,Machyne/libbson,remicollet/libbson,Machyne/libbson,ksuarz/libbson,mongodb/libbson,ajdavis/libbson,derickr/libbson,rayyang2000/libbson,mongodbinc-interns/libbson,paulmelnikow/libbson,ksuarz/libbson,paulmelnikow/libbson,ajdavis/libbson,4Second2None/libbson_tmp,mongodb/libbson,Convey-Compliance/libbson,rcsanchez97/libbson,paulmelnikow/libbson,alexeyvo/libbson,rcsanchez97/libbson,4Second2None/libbson_tmp,ajdavis/libbson,bjori/libbson,4Second2None/libbson_tmp,alexeyvo/libbson,remicollet/libbson,ksuarz/libbson,derickr/libbson,mongodb/libbson,jqk6/libbson,bjori/libbson