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3cd3df2a95
The latest glibc 2.36 has extended sys/mount.h so that it
defines the FSCONFIG_* enum constants. These are historically
defined in linux/mount.h, and thus if you include both headers
the compiler complains:
In file included from /usr/include/linux/fs.h:19,
from ../linux-user/syscall.c:98:
/usr/include/linux/mount.h:95:6: error: redeclaration of 'enum fsconfig_command'
95 | enum fsconfig_command {
| ^~~~~~~~~~~~~~~~
In file included from ../linux-user/syscall.c:31:
/usr/include/sys/mount.h:189:6: note: originally defined here
189 | enum fsconfig_command
| ^~~~~~~~~~~~~~~~
/usr/include/linux/mount.h:96:9: error: redeclaration of enumerator 'FSCONFIG_SET_FLAG'
96 | FSCONFIG_SET_FLAG = 0, /* Set parameter, supplying no value */
| ^~~~~~~~~~~~~~~~~
/usr/include/sys/mount.h:191:3: note: previous definition of 'FSCONFIG_SET_FLAG' with type 'enum fsconfig_command'
191 | FSCONFIG_SET_FLAG = 0, /* Set parameter, supplying no value */
| ^~~~~~~~~~~~~~~~~
...snip...
QEMU doesn't include linux/mount.h, but it does use
linux/fs.h and thus gets linux/mount.h indirectly.
glibc acknowledges this problem but does not appear to
be intending to fix it in the forseeable future, simply
documenting it as a known incompatibility with no
workaround:
https://sourceware.org/glibc/wiki/Release/2.36#Usage_of_.3Clinux.2Fmount.h.3E_and_.3Csys.2Fmount.h.3E
https://sourceware.org/glibc/wiki/Synchronizing_Headers
To address this requires either removing use of sys/mount.h
or linux/fs.h, despite QEMU needing declarations from
both.
This patch removes linux/fs.h, meaning we have to define
various FS_IOC constants that are now unavailable.
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Tested-by: Richard W.M. Jones <rjones@redhat.com>
Message-Id: <20220802164134.1851910-1-berrange@redhat.com>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
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| .. | ||
| aarch64 | ||
| alpha | ||
| arm | ||
| cris | ||
| generic | ||
| hexagon | ||
| hppa | ||
| i386 | ||
| include | ||
| loongarch64 | ||
| m68k | ||
| microblaze | ||
| mips | ||
| mips64 | ||
| nios2 | ||
| openrisc | ||
| ppc | ||
| riscv | ||
| s390x | ||
| sh4 | ||
| sparc | ||
| x86_64 | ||
| xtensa | ||
| cpu_loop-common.h | ||
| elfload.c | ||
| errnos.c.inc | ||
| exit.c | ||
| fd-trans.c | ||
| fd-trans.h | ||
| flat.h | ||
| flatload.c | ||
| ioctls.h | ||
| linux_loop.h | ||
| linuxload.c | ||
| loader.h | ||
| main.c | ||
| meson.build | ||
| mmap.c | ||
| qemu.h | ||
| semihost.c | ||
| signal-common.h | ||
| signal.c | ||
| socket.h | ||
| strace.c | ||
| strace.h | ||
| strace.list | ||
| syscall.c | ||
| syscall_defs.h | ||
| syscall_types.h | ||
| target_flat.h | ||
| thunk.c | ||
| trace-events | ||
| trace.h | ||
| uaccess.c | ||
| uname.c | ||
| uname.h | ||
| user-internals.h | ||
| user-mmap.h | ||
| vm86.c | ||