On Thursday December 15, Robert.Heinzmann@xxxxxxx wrote:
> Hello,
> I tried to compile mdadm 2.2 on my machine (sles8)
>
> Kernel: 2.4.21-295-athlon
> gcc: gcc version 2.95.3 20010315
>
> The compile fails with this error message:
>
> cc1: warnings being treated as errors
> In file included from mdadm.h:219,
> from bitmap.c:23:
> /usr/include/ftw.h:93: warning: `struct stat64' declared inside
> parameter list
> /usr/include/ftw.h:93: warning: its scope is only this definition or
> declaration, which is probably not what you want.
> /usr/include/ftw.h:102: warning: `struct stat64' declared inside
> parameter list
> bitmap.c: In function `bitmap_fd_read':
> bitmap.c:130: warning: unknown conversion type character `z' in format
> bitmap.c:130: warning: too many arguments for format
> make: *** [bitmap.o] Error 1
>
> I changed the makefile and removed -Werror. Is there another way to fix
> this issue ?
Yes. You can
make CWFLAGS=
or you can report it like you did (thanks) and get a patch.
(One of the reasons I still have -Werror in there is to encourage
people to report these warnings, so I can fix them for the next version).
The following allows mdadm to compile with gcc-2.95
Thanks,
NeilBrown
### Diffstat output
./bitmap.c | 5 +++++
./mdadm.h | 4 ++++
2 files changed, 9 insertions(+)
diff ./bitmap.c~current~ ./bitmap.c
--- ./bitmap.c~current~ 2005-12-05 16:52:22.000000000 +1100
+++ ./bitmap.c 2005-12-16 12:41:31.000000000 +1100
@@ -126,8 +126,13 @@ bitmap_info_t *bitmap_fd_read(int fd, in
info = malloc(sizeof(*info));
if (info == NULL) {
+#if __GNUC__ < 3
+ fprintf(stderr, Name ": failed to allocate %d bytes\n",
+ (int)sizeof(*info));
+#else
fprintf(stderr, Name ": failed to allocate %zd bytes\n",
sizeof(*info));
+#endif
return NULL;
}
diff ./mdadm.h~current~ ./mdadm.h
--- ./mdadm.h~current~ 2005-12-05 16:55:02.000000000 +1100
+++ ./mdadm.h 2005-12-16 12:40:47.000000000 +1100
@@ -211,6 +211,10 @@ struct supertype {
extern struct supertype *super_by_version(int vers, int minor);
extern struct supertype *guess_super(int fd);
+#if __GNUC__ < 3
+struct stat64;
+#endif
+
#ifdef UCLIBC
struct FTW {};
# define FTW_PHYS 1
-
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