build: set  _POSIX_C_SOURCE before check funcs for clock_gettime.
build: set  _POSIX_C_SOURCE before check funcs for clock_gettime.

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