I just noticed that makedumpfile-1.5.7 produces warnings on s390x and probably all other archs that have not defined get_versiondep_info(): elf_info.c: In function 'get_kcore_dump_loads': elf_info.c:856:27: warning: unused variable 'p' [-Wunused-variable] struct pt_load_segment *p = &pt_loads[i]; ^ In file included from makedumpfile.h:41:0, from makedumpfile.c:16: makedumpfile.c: In function 'get_page_offset': common.h:19:15: warning: statement with no effect [-Wunused-value] #define TRUE (1) ^ makedumpfile.h:821:31: note: in expansion of macro 'TRUE' #define get_versiondep_info() TRUE ^ makedumpfile.c:9240:2: note: in expansion of macro 'get_versiondep_info' get_versiondep_info(); Best Regards Michael