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Expose MOUNT_ATTR_IDMAP detection result to C code
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This is to allow compiling composefs on machines having somewhat old
Linux kernel headers.

Signed-off-by: Rogerio Guerra Borin <[email protected]>
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rborn-tx committed Feb 12, 2024
1 parent 9350006 commit 39c3d22
Showing 1 changed file with 2 additions and 1 deletion.
3 changes: 2 additions & 1 deletion configure.ac
Original file line number Diff line number Diff line change
Expand Up @@ -295,7 +295,8 @@ AC_COMPILE_IFELSE(
],[int foo = MOUNT_ATTR_IDMAP;]
)],
[AC_MSG_RESULT(yes)
have_mount_attr_idmap=yes],
AC_DEFINE([HAVE_MOUNT_ATTR_IDMAP], 1, [Define if MOUNT_ATTR_IDMAP is available in linux/mount.h])
have_mount_attr_idmap=yes],
[AC_MSG_RESULT(no)])
dnl These are needed by libcomposefs to use the new mount API optionally
AC_MSG_CHECKING([for new mount API (fsconfig)])
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