From 39c3d228cd78fc12bae761d728c3f53bc4bdd167 Mon Sep 17 00:00:00 2001 From: Rogerio Guerra Borin Date: Wed, 7 Feb 2024 00:19:45 -0300 Subject: [PATCH] Expose MOUNT_ATTR_IDMAP detection result to C code This is to allow compiling composefs on machines having somewhat old Linux kernel headers. Signed-off-by: Rogerio Guerra Borin --- configure.ac | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/configure.ac b/configure.ac index 5e90c559ea..c534ec73bf 100644 --- a/configure.ac +++ b/configure.ac @@ -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)])