[igraph] Undefined reference error.

[Alireza Norouzzadeh]

I can't compile the sparsemat examples. Other examples are compiled without any erros.

g++ ./igraph_sparsemat.c -I ../../include/  -ligraph -o igraph_sparsemat

/tmp/ccDDv8Kc.o: In function `main':

igraph_sparsemat.c:(.text+0x22): undefined reference to `igraph_sparsemat_init(igraph_sparsemat_t*, int, int, int)'

igraph_sparsemat.c:(.text+0x35): undefined reference to `igraph_sparsemat_compress(igraph_sparsemat_t const*, igraph_sparsemat_t*)'

igraph_sparsemat.c:(.text+0x41): undefined reference to `igraph_sparsemat_destroy(igraph_sparsemat_t*)'

igraph_sparsemat.c:(.text+0x4d): undefined reference to `igraph_sparsemat_destroy(igraph_sparsemat_t*)'

igraph_sparsemat.c:(.text+0x87): undefined reference to `igraph_get_sparsemat(igraph_s const*, igraph_sparsemat_t*)'

igraph_sparsemat.c:(.text+0xa9): undefined reference to `igraph_sparsemat_compress(igraph_sparsemat_t const*, igraph_sparsemat_t*)'

igraph_sparsemat.c:(.text+0xbf): undefined reference to `igraph_sparsemat_print(igraph_sparsemat_t const*, _IO_FILE*)'

igraph_sparsemat.c:(.text+0xd5): undefined reference to `igraph_sparsemat_print(igraph_sparsemat_t const*, _IO_FILE*)'

igraph_sparsemat.c:(.text+0xe1): undefined reference to `igraph_sparsemat_nrow(igraph_sparsemat_t const*)'

igraph_sparsemat.c:(.text+0xf3): undefined reference to `igraph_sparsemat_ncol(igraph_sparsemat_t const*)'

igraph_sparsemat.c:(.text+0x105): undefined reference to `igraph_sparsemat_nrow(igraph_sparsemat_t const*)'

igraph_sparsemat.c:(.text+0x117): undefined reference to `igraph_sparsemat_ncol(igraph_sparsemat_t const*)'

igraph_sparsemat.c:(.text+0x143): undefined reference to `igraph_sparsemat_is_triplet(igraph_sparsemat_t const*)'

igraph_sparsemat.c:(.text+0x162): undefined reference to `igraph_sparsemat_is_cc(igraph_sparsemat_t const*)'

igraph_sparsemat.c:(.text+0x181): undefined reference to `igraph_sparsemat_type(igraph_sparsemat_t const*)'

igraph_sparsemat.c:(.text+0x1a0): undefined reference to `igraph_sparsemat_type(igraph_sparsemat_t const*)'

igraph_sparsemat.c:(.text+0x1c0): undefined reference to `igraph_sparsemat_destroy(igraph_sparsemat_t*)'

igraph_sparsemat.c:(.text+0x1cc): undefined reference to `igraph_sparsemat_destroy(igraph_sparsemat_t*)'

igraph_sparsemat.c:(.text+0x1f9): undefined reference to `igraph_sparsemat_eye(igraph_sparsemat_t*, int, int, double, int)'

igraph_sparsemat.c:(.text+0x21c): undefined reference to `igraph_sparsemat_eye(igraph_sparsemat_t*, int, int, double, int)'

igraph_sparsemat.c:(.text+0x232): undefined reference to `igraph_sparsemat_print(igraph_sparsemat_t const*, _IO_FILE*)'

igraph_sparsemat.c:(.text+0x248): undefined reference to `igraph_sparsemat_print(igraph_sparsemat_t const*, _IO_FILE*)'

igraph_sparsemat.c:(.text+0x254): undefined reference to `igraph_sparsemat_destroy(igraph_sparsemat_t*)'

igraph_sparsemat.c:(.text+0x260): undefined reference to `igraph_sparsemat_destroy(igraph_sparsemat_t*)'

igraph_sparsemat.c:(.text+0x2c9): undefined reference to `igraph_sparsemat_diag(igraph_sparsemat_t*, int, igraph_vector_t const*, int)'

igraph_sparsemat.c:(.text+0x2e3): undefined reference to `igraph_sparsemat_diag(igraph_sparsemat_t*, int, igraph_vector_t const*, int)'

igraph_sparsemat.c:(.text+0x305): undefined reference to `igraph_sparsemat_print(igraph_sparsemat_t const*, _IO_FILE*)'

igraph_sparsemat.c:(.text+0x31b): undefined reference to `igraph_sparsemat_print(igraph_sparsemat_t const*, _IO_FILE*)'

igraph_sparsemat.c:(.text+0x327): undefined reference to `igraph_sparsemat_destroy(igraph_sparsemat_t*)'

igraph_sparsemat.c:(.text+0x333): undefined reference to `igraph_sparsemat_destroy(igraph_sparsemat_t*)'

igraph_sparsemat.c:(.text+0x371): undefined reference to `igraph_get_sparsemat(igraph_s const*, igraph_sparsemat_t*)'

igraph_sparsemat.c:(.text+0x393): undefined reference to `igraph_sparsemat_compress(igraph_sparsemat_t const*, igraph_sparsemat_t*)'

igraph_sparsemat.c:(.text+0x3a9): undefined reference to `igraph_sparsemat_print(igraph_sparsemat_t const*, _IO_FILE*)'

igraph_sparsemat.c:(.text+0x3c1): undefined reference to `igraph_sparsemat_transpose(igraph_sparsemat_t const*, igraph_sparsemat_t*, int)'

igraph_sparsemat.c:(.text+0x3d7): undefined reference to `igraph_sparsemat_print(igraph_sparsemat_t const*, _IO_FILE*)'

igraph_sparsemat.c:(.text+0x3e3): undefined reference to `igraph_sparsemat_destroy(igraph_sparsemat_t*)'

igraph_sparsemat.c:(.text+0x3ef): undefined reference to `igraph_sparsemat_destroy(igraph_sparsemat_t*)'

igraph_sparsemat.c:(.text+0x3fb): undefined reference to `igraph_sparsemat_destroy(igraph_sparsemat_t*)'

igraph_sparsemat.c:(.text+0x420): undefined reference to `igraph_sparsemat_init(igraph_sparsemat_t*, int, int, int)'

igraph_sparsemat.c:(.text+0x449): undefined reference to `igraph_sparsemat_entry(igraph_sparsemat_t*, int, int, double)'

igraph_sparsemat.c:(.text+0x483): undefined reference to `igraph_sparsemat_entry(igraph_sparsemat_t*, int, int, double)'

igraph_sparsemat.c:(.text+0x4aa): undefined reference to `igraph_sparsemat_print(igraph_sparsemat_t const*, _IO_FILE*)'

igraph_sparsemat.c:(.text+0x4bd): undefined reference to `igraph_sparsemat_compress(igraph_sparsemat_t const*, igraph_sparsemat_t*)'

igraph_sparsemat.c:(.text+0x4d3): undefined reference to `igraph_sparsemat_print(igraph_sparsemat_t const*, _IO_FILE*)'

igraph_sparsemat.c:(.text+0x4df): undefined reference to `igraph_sparsemat_dupl(igraph_sparsemat_t*)'

igraph_sparsemat.c:(.text+0x4f5): undefined reference to `igraph_sparsemat_print(igraph_sparsemat_t const*, _IO_FILE*)'

igraph_sparsemat.c:(.text+0x501): undefined reference to `igraph_sparsemat_destroy(igraph_sparsemat_t*)'

igraph_sparsemat.c:(.text+0x50d): undefined reference to `igraph_sparsemat_destroy(igraph_sparsemat_t*)'

igraph_sparsemat.c:(.text+0x532): undefined reference to `igraph_sparsemat_init(igraph_sparsemat_t*, int, int, int)'

igraph_sparsemat.c:(.text+0x54c): undefined reference to `igraph_sparsemat_entry(igraph_sparsemat_t*, int, int, double)'

igraph_sparsemat.c:(.text+0x575): undefined reference to `igraph_sparsemat_entry(igraph_sparsemat_t*, int, int, double)'

igraph_sparsemat.c:(.text+0x590): undefined reference to `igraph_sparsemat_entry(igraph_sparsemat_t*, int, int, double)'

igraph_sparsemat.c:(.text+0x5bb): undefined reference to `igraph_sparsemat_entry(igraph_sparsemat_t*, int, int, double)'

igraph_sparsemat.c:(.text+0x5d1): undefined reference to `igraph_sparsemat_print(igraph_sparsemat_t const*, _IO_FILE*)'

igraph_sparsemat.c:(.text+0x5e4): undefined reference to `igraph_sparsemat_compress(igraph_sparsemat_t const*, igraph_sparsemat_t*)'

igraph_sparsemat.c:(.text+0x5fa): undefined reference to `igraph_sparsemat_print(igraph_sparsemat_t const*, _IO_FILE*)'

igraph_sparsemat.c:(.text+0x606): undefined reference to `igraph_sparsemat_dropzeros(igraph_sparsemat_t*)'

igraph_sparsemat.c:(.text+0x61c): undefined reference to `igraph_sparsemat_print(igraph_sparsemat_t const*, _IO_FILE*)'

igraph_sparsemat.c:(.text+0x628): undefined reference to `igraph_sparsemat_destroy(igraph_sparsemat_t*)'

igraph_sparsemat.c:(.text+0x634): undefined reference to `igraph_sparsemat_destroy(igraph_sparsemat_t*)'

igraph_sparsemat.c:(.text+0x696): undefined reference to `igraph_get_sparsemat(igraph_s const*, igraph_sparsemat_t*)'

igraph_sparsemat.c:(.text+0x6ac): undefined reference to `igraph_get_sparsemat(igraph_s const*, igraph_sparsemat_t*)'

igraph_sparsemat.c:(.text+0x6dd): undefined reference to `igraph_sparsemat_compress(igraph_sparsemat_t const*, igraph_sparsemat_t*)'

igraph_sparsemat.c:(.text+0x6f0): undefined reference to `igraph_sparsemat_compress(igraph_sparsemat_t const*, igraph_sparsemat_t*)'

igraph_sparsemat.c:(.text+0x6fc): undefined reference to `igraph_sparsemat_destroy(igraph_sparsemat_t*)'

igraph_sparsemat.c:(.text+0x708): undefined reference to `igraph_sparsemat_destroy(igraph_sparsemat_t*)'

igraph_sparsemat.c:(.text+0x733): undefined reference to `igraph_sparsemat_add(igraph_sparsemat_t const*, igraph_sparsemat_t const*, double, double, igraph_sparsemat_t*)'

igraph_sparsemat.c:(.text+0x73f): undefined reference to `igraph_sparsemat_destroy(igraph_sparsemat_t*)'

igraph_sparsemat.c:(.text+0x74b): undefined reference to `igraph_sparsemat_destroy(igraph_sparsemat_t*)'

igraph_sparsemat.c:(.text+0x761): undefined reference to `igraph_sparsemat_print(igraph_sparsemat_t const*, _IO_FILE*)'

igraph_sparsemat.c:(.text+0x76d): undefined reference to `igraph_sparsemat_destroy(igraph_sparsemat_t*)'

collect2: ld returned 1 exit status