Compiling ==> 'glsl_program.c' source/blender/src/glsl_program.c:1:21: error: GL/glew.h: No such file or directory source/blender/src/glsl_program.c: In function ‘glsl_create_program’: source/blender/src/glsl_program.c:46: warning: implicit declaration of function ‘glCreateProgram’ source/blender/src/glsl_program.c: In function ‘glsl_remove_program’: source/blender/src/glsl_program.c:56: warning: implicit declaration of function ‘glDeleteProgram’ source/blender/src/glsl_program.c: In function ‘glsl_delete_shaders’: source/blender/src/glsl_program.c:81: warning: implicit declaration of function ‘glDetachShader’ source/blender/src/glsl_program.c:82: warning: implicit declaration of function ‘glDeleteShader’ source/blender/src/glsl_program.c: In function ‘glsl_create_vertex_shader’: source/blender/src/glsl_program.c:106: error: ‘GL_VERTEX_SHADER’ undeclared (first use in this function) source/blender/src/glsl_program.c:106: error: (Each undeclared identifier is reported only once source/blender/src/glsl_program.c:106: error: for each function it appears in.) source/blender/src/glsl_program.c:110: warning: implicit declaration of function ‘glAttachShader’ source/blender/src/glsl_program.c: In function ‘glsl_create_shader’: source/blender/src/glsl_program.c:139: warning: implicit declaration of function ‘glCreateShader’ source/blender/src/glsl_program.c:142: warning: implicit declaration of function ‘glShaderSource’ source/blender/src/glsl_program.c:142: error: expected ‘)’ before ‘GLchar’ source/blender/src/glsl_program.c:142: warning: type defaults to ‘int’ in declaration of ‘type name’ source/blender/src/glsl_program.c:143: warning: implicit declaration of function ‘glCompileShader’ source/blender/src/glsl_program.c:144: warning: implicit declaration of function ‘glGetShaderiv’ source/blender/src/glsl_program.c:144: error: ‘GL_COMPILE_STATUS’ undeclared (first use in this function) source/blender/src/glsl_program.c: In function ‘glsl_main_func’: source/blender/src/glsl_program.c:343: warning: implicit declaration of function ‘asprintf’ scons: *** [/home/blender/build_dir_maike/source/blender/src/glsl_program.o] Error 1 scons: building terminated because of errors.