"First of all, I hope he signs the bill and second he ought to feel free to use whatever tools he can legally use to enhance his effort to secure the border", McConnell said.
The compromise reached by congressional negotiators on Monday includes less than $1.4 billion for new fencing on the US-Mexican border, less than the $5.7 billion sought by Trump to build a much-anticipated border wall.
READ MORE: Trump Says US to Build 'Human Wall' on Mexico Border if Necessary
Earlier on Tuesday, US President Donald Trump said he was not happy with the deal but expressed optimism about getting some funding to get started on his objective. The president also said it was unlikely another government shutdown would occur.
WATCH: More Than 100 Central American Migrants Attempt to Scale Border Wall
US lawmakers and Trump temporarily re-opened the federal government for a three-week period until 15 February to negotiate a deal on border security.
An emergency stance would reportedly allow Trump to order the US military to build a wall with funds diverted from elsewhere in the federal government.