The project is not compiling under linux

In file included from /home/ddeath/Downloads/glsl/contrib/glslopt/Main.cpp:4:0:
/home/ddeath/Downloads/glsl/src/glsl/glsl_optimizer.h:45:14: error:   initializing argument 1 of ‘glslopt_ctx* glslopt_initialize(glslopt_target)’ [-fpermissive]
 glslopt_ctx* glslopt_initialize (glslopt_target target);