+ gcc -fno-defer-pop -Wall -D_FILE_OFFSET_BITS=64 -D_REENTRANT -fPIC -c -I /byterun -o src/utils/lib/tiger.o -g -O2 -pthread -pthread -I'/usr/lib/ocaml/3.09.2' 'src/utils/lib/tiger.c' src/utils/lib/tiger.c: In function ‘tiger_compress’: src/utils/lib/tiger.c:161: warning: unused variable ‘i’ src/utils/lib/tiger.c: In function ‘tiger_tree_string’: src/utils/lib/tiger.c:797: warning: pointer targets in passing argument 4 of ‘tiger_hash’ differ in signedness src/utils/lib/tiger.c:806: warning: pointer targets in passing argument 4 of ‘tiger_hash’ differ in signedness src/utils/lib/tiger.c: In function ‘tigertree_unsafe_string’: src/utils/lib/tiger.c:830: warning: pointer targets in initialization differ in signedness src/utils/lib/tiger.c:831: warning: pointer targets in initialization differ in signedness src/utils/lib/tiger.c:834: warning: pointer targets in passing argument 1 of ‘tiger_tree_string’ differ in signedness src/utils/lib/tiger.c:834: warning: pointer targets in passing argument 5 of ‘tiger_tree_string’ differ in signedness src/utils/lib/tiger.c: In function ‘tiger_unsafe_string’: src/utils/lib/tiger.c:841: warning: pointer targets in initialization differ in signedness src/utils/lib/tiger.c:842: warning: pointer targets in initialization differ in signedness src/utils/lib/tiger.c:845: internal compiler error: Erreur de segmentation Please submit a full bug report, with preprocessed source if appropriate. See for instructions. For Debian GNU/Linux specific bug reporting instructions, see . The bug is not reproducible, so it is likely a hardware or OS problem. make: *** [src/utils/lib/tiger.o] Erreur 2