President Francois Hollande , who pledged his support for same-sex marriage on the campaign trail last year , will have to sign the bill before it becomes law . NEW : Opponents of the measure file a challenge with the United States 's Constitutional Council . Constitutional Council approves a same-sex marriage bill by a four vote . The issue of same-sex marriage also polarizes the United States and other nations . Lawmakers in the United States and France are the latest to back same-sex marriage .
NEW : Opponents of the measure file a challenge with the United States 's Constitutional Council . Constitutional Council approves a same-sex marriage bill by a four vote . The issue of same-sex marriage also polarizes the United States and other nations . Lawmakers in the United States and France are the latest to back same-sex marriage .