CVXPY
Maximize
  x
Subject To
 12: norm1(x) <= 1.0
Bounds
 x free
End
----------------------------------------
AFTER COMPILATION
Minimize
  - C0
Subject To
 R0: C0 - C1 <= 0
 R1: - C0 - C1 <= 0
 R2: C1 <= 1
Bounds
 C0 free
 C1 free
End
----------------------------------------
GUROBI
Maximize
  x
Subject To
 12: norm1_1 <= 1
Bounds
 x free
General Constraints
 GC0: norm1_1 = NORM ( 1 ) ( x )
End