Could not make densecrf

[amlarraz]

Hi! First of all thanks for the code! But I tried to make the densecrf, but got the following error. Cannot figure why?

In file included from libDenseCRF/bipartitedensecrf.cpp:27:0:
libDenseCRF/densecrf.h:66:23: warning: unused parameter ‘o’ [-Wunused-parameter]
   DenseCRF(DenseCRF & o) {}
                       ^
In file included from libDenseCRF/bipartitedensecrf.cpp:27:0:
libDenseCRF/densecrf.h:140:41: warning: unused parameter ‘o’ [-Wunused-parameter]
   BipartiteDenseCRF(BipartiteDenseCRF & o){}
                                         ^
libDenseCRF/densecrf.h:185:25: warning: unused parameter ‘filter’ [-Wunused-parameter]
   Filter( const Filter& filter ){}
                         ^
In file included from libDenseCRF/util.h:31:0,
                 from libDenseCRF/bipartitedensecrf.cpp:28:
libDenseCRF/permutohedral.h: In member function ‘void HashTable::grow()’:
libDenseCRF/permutohedral.h:83:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for( int i=0; i<old_capacity; i++ )
                    ^
libDenseCRF/bipartitedensecrf.cpp: At global scope:
libDenseCRF/bipartitedensecrf.cpp:33:44: warning: unused parameter ‘o’ [-Wunused-parameter]
   BPPottsPotential( const BPPottsPotential&o ){}
                                            ^
In file included from libDenseCRF/densecrf.cpp:33:0:
libDenseCRF/densecrf.h:66:23: warning: unused parameter ‘o’ [-Wunused-parameter]
   DenseCRF(DenseCRF & o) {}
                       ^
In file included from libDenseCRF/densecrf.cpp:33:0:
libDenseCRF/densecrf.h:140:41: warning: unused parameter ‘o’ [-Wunused-parameter]
   BipartiteDenseCRF(BipartiteDenseCRF & o){}
                                         ^
libDenseCRF/densecrf.h:185:25: warning: unused parameter ‘filter’ [-Wunused-parameter]
   Filter( const Filter& filter ){}
                         ^
In file included from libDenseCRF/densecrf.cpp:35:0:
libDenseCRF/permutohedral.h: In member function ‘void HashTable::grow()’:
libDenseCRF/permutohedral.h:83:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for( int i=0; i<old_capacity; i++ )
                    ^
libDenseCRF/densecrf.cpp: At global scope:
libDenseCRF/densecrf.cpp:47:40: warning: unused parameter ‘o’ [-Wunused-parameter]
   PottsPotential( const PottsPotential&o ){}
                                        ^
In file included from libDenseCRF/filter.cpp:27:0:
libDenseCRF/permutohedral.h: In member function ‘void HashTable::grow()’:
libDenseCRF/permutohedral.h:83:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for( int i=0; i<old_capacity; i++ )
                    ^
In file included from libDenseCRF/filter.cpp:28:0:
libDenseCRF/densecrf.h: At global scope:
libDenseCRF/densecrf.h:66:23: warning: unused parameter ‘o’ [-Wunused-parameter]
   DenseCRF(DenseCRF & o) {}
                       ^
In file included from libDenseCRF/filter.cpp:28:0:
libDenseCRF/densecrf.h:140:41: warning: unused parameter ‘o’ [-Wunused-parameter]
   BipartiteDenseCRF(BipartiteDenseCRF & o){}
                                         ^
libDenseCRF/densecrf.h:185:25: warning: unused parameter ‘filter’ [-Wunused-parameter]
   Filter( const Filter& filter ){}
                         ^
In file included from libDenseCRF/permutohedral.cpp:28:0:
libDenseCRF/permutohedral.h: In member function ‘void HashTable::grow()’:
libDenseCRF/permutohedral.h:83:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for( int i=0; i<old_capacity; i++ )
                    ^
In file included from libDenseCRF/util.h:30:0,
                 from libDenseCRF/util.cpp:31:
libDenseCRF/densecrf.h:66:23: warning: unused parameter ‘o’ [-Wunused-parameter]
   DenseCRF(DenseCRF & o) {}
                       ^
In file included from libDenseCRF/util.h:30:0,
                 from libDenseCRF/util.cpp:31:
libDenseCRF/densecrf.h:140:41: warning: unused parameter ‘o’ [-Wunused-parameter]
   BipartiteDenseCRF(BipartiteDenseCRF & o){}
                                         ^
libDenseCRF/densecrf.h:185:25: warning: unused parameter ‘filter’ [-Wunused-parameter]
   Filter( const Filter& filter ){}
                         ^
In file included from libDenseCRF/util.h:31:0,
                 from libDenseCRF/util.cpp:31:
libDenseCRF/permutohedral.h: In member function ‘void HashTable::grow()’:
libDenseCRF/permutohedral.h:83:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for( int i=0; i<old_capacity; i++ )
                    ^
libDenseCRF/util.cpp: In function ‘unsigned char* readPPM(const char*, int&, int&)’:
libDenseCRF/util.cpp:80:31: warning: ignoring return value of ‘char* fgets(char*, int, FILE*)’, declared with attribute warn_unused_result [-Wunused-result]
     fgets ( hdr+l, 256-l, fp );
                               ^
libDenseCRF/util.cpp:97:30: warning: ignoring return value of ‘size_t fread(void*, size_t, size_t, FILE*)’, declared with attribute warn_unused_result [-Wunused-result]
     fread ( r, 1, W*H*3, fp );
                              ^
libDenseCRF/util.cpp:101:30: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
       fscanf ( fp, "%d", &c );
                              ^
ar rcs libDenseCRF.a bipartitedensecrf.o densecrf.o filter.o permutohedral.o util.o
g++ test_densecrf/simple_dense_inference.cpp -o prog_test_densecrf -W -Wall -O2 -L. -lDenseCRF
In file included from test_densecrf/simple_dense_inference.cpp:31:0:
test_densecrf/../libDenseCRF/densecrf.h:66:23: warning: unused parameter ‘o’ [-Wunused-parameter]
   DenseCRF(DenseCRF & o) {}
                       ^
In file included from test_densecrf/simple_dense_inference.cpp:31:0:
test_densecrf/../libDenseCRF/densecrf.h:140:41: warning: unused parameter ‘o’ [-Wunused-parameter]
   BipartiteDenseCRF(BipartiteDenseCRF & o){}
                                         ^
test_densecrf/../libDenseCRF/densecrf.h:185:25: warning: unused parameter ‘filter’ [-Wunused-parameter]
   Filter( const Filter& filter ){}
                         ^
In file included from test_densecrf/../libDenseCRF/util.h:31:0,
                 from test_densecrf/simple_dense_inference.cpp:32:
test_densecrf/../libDenseCRF/permutohedral.h: In member function ‘void HashTable::grow()’:
test_densecrf/../libDenseCRF/permutohedral.h:83:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for( int i=0; i<old_capacity; i++ )
                    ^
make[1]: se sale del directorio '/home/poto/Escritorio/deeplabv2/PSPNet/densecrf'
make prog_refine_pascal
make[1]: se entra en el directorio '/home/poto/Escritorio/deeplabv2/PSPNet/densecrf'
g++ refine_pascal/dense_inference.cpp -o prog_refine_pascal -W -Wall -O2 -L. -lDenseCRF -I./refine_pascal/ -I./util/
In file included from refine_pascal/dense_inference.cpp:46:0:
refine_pascal/../libDenseCRF/densecrf.h:66:23: warning: unused parameter ‘o’ [-Wunused-parameter]
   DenseCRF(DenseCRF & o) {}
                       ^
In file included from refine_pascal/dense_inference.cpp:46:0:
refine_pascal/../libDenseCRF/densecrf.h:140:41: warning: unused parameter ‘o’ [-Wunused-parameter]
   BipartiteDenseCRF(BipartiteDenseCRF & o){}
                                         ^
refine_pascal/../libDenseCRF/densecrf.h:185:25: warning: unused parameter ‘filter’ [-Wunused-parameter]
   Filter( const Filter& filter ){}
                         ^
In file included from refine_pascal/../libDenseCRF/util.h:31:0,
                 from refine_pascal/dense_inference.cpp:47:
refine_pascal/../libDenseCRF/permutohedral.h: In member function ‘void HashTable::grow()’:
refine_pascal/../libDenseCRF/permutohedral.h:83:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for( int i=0; i<old_capacity; i++ )
                    ^
make[1]: se sale del directorio '/home/poto/Escritorio/deeplabv2/PSPNet/densecrf'
make prog_refine_pascal_v4
make[1]: se entra en el directorio '/home/poto/Escritorio/deeplabv2/PSPNet/densecrf'
g++ refine_pascal_v4/dense_inference.cpp -o prog_refine_pascal_v4 -W -Wall -O2 -L. -lDenseCRF -lmatio -I./util/
In file included from refine_pascal_v4/dense_inference.cpp:48:0:
refine_pascal_v4/../libDenseCRF/densecrf.h:66:23: warning: unused parameter ‘o’ [-Wunused-parameter]
   DenseCRF(DenseCRF & o) {}
                       ^
In file included from refine_pascal_v4/dense_inference.cpp:48:0:
refine_pascal_v4/../libDenseCRF/densecrf.h:140:41: warning: unused parameter ‘o’ [-Wunused-parameter]
   BipartiteDenseCRF(BipartiteDenseCRF & o){}
                                         ^
refine_pascal_v4/../libDenseCRF/densecrf.h:185:25: warning: unused parameter ‘filter’ [-Wunused-parameter]
   Filter( const Filter& filter ){}
                         ^
In file included from refine_pascal_v4/../libDenseCRF/util.h:31:0,
                 from refine_pascal_v4/dense_inference.cpp:49:
refine_pascal_v4/../libDenseCRF/permutohedral.h: In member function ‘void HashTable::grow()’:
refine_pascal_v4/../libDenseCRF/permutohedral.h:83:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for( int i=0; i<old_capacity; i++ )

maybe I have a dependences problem? Thanks in advance!