2 files changed, 59 insertions, 0 deletions
diff --git a/m4/package_libcdev.m4 b/m4/package_libcdev.m4
index 5c76c0f7..98572aec 100644
--- a/m4/package_libcdev.m4
+++ b/m4/package_libcdev.m4
@@ -110,3 +110,47 @@ AC_DEFUN([AC_HAVE_COPY_FILE_RANGE],
     AC_SUBST(have_copy_file_range)
   ])
 
+# Check if we have SEEK_DATA
+AC_DEFUN([AC_HAVE_SEEK_DATA],
+  [ AC_MSG_CHECKING([for SEEK_DATA])
+    AC_LINK_IFELSE([AC_LANG_PROGRAM([[
+#define _GNU_SOURCE
+#include <sys/types.h>
+#include <unistd.h>
+    ]], [[
+         lseek(-1, 0, SEEK_DATA);
+    ]])],[have_seek_data=yes
+       AC_MSG_RESULT(yes)],[AC_MSG_RESULT(no)])
+    AC_SUBST(have_seek_data)
+  ])
+
+# Check if we have nftw
+AC_DEFUN([AC_HAVE_NFTW],
+  [ AC_MSG_CHECKING([for nftw])
+    AC_LINK_IFELSE([AC_LANG_PROGRAM([[
+#define _GNU_SOURCE
+#include <stddef.h>
+#include <ftw.h>
+    ]], [[
+         nftw("/", (int (*)(const char *, const struct stat *, int, struct FTW *))1, 0, 0);
+    ]])],[have_nftw=yes
+       AC_MSG_RESULT(yes)],[AC_MSG_RESULT(no)])
+    AC_SUBST(have_nftw)
+  ])
+
+# Check if we have RLIMIT_NOFILE
+AC_DEFUN([AC_HAVE_RLIMIT_NOFILE],
+  [ AC_MSG_CHECKING([for RLIMIT_NOFILE])
+    AC_LINK_IFELSE([AC_LANG_PROGRAM([[
+#define _GNU_SOURCE
+#include <sys/time.h>
+#include <sys/resource.h>
+    ]], [[
+         struct rlimit rlimit;
+
+         rlimit.rlim_cur = 0;
+         getrlimit(RLIMIT_NOFILE, &rlimit);
+    ]])],[have_rlimit_nofile=yes
+       AC_MSG_RESULT(yes)],[AC_MSG_RESULT(no)])
+    AC_SUBST(have_rlimit_nofile)
+  ])
diff --git a/m4/package_xfslibs.m4 b/m4/package_xfslibs.m4
index 0746cd1d..8ef58cc0 100644
--- a/m4/package_xfslibs.m4
+++ b/m4/package_xfslibs.m4
@@ -104,3 +104,18 @@ AC_DEFUN([AC_PACKAGE_NEED_XFSCTL_MACRO],
         exit 1
       ])
   ])
+
+# Check if we have BMV_OF_SHARED from the GETBMAPX ioctl
+AC_DEFUN([AC_HAVE_BMV_OF_SHARED],
+  [ AC_MSG_CHECKING([for BMV_OF_SHARED])
+    AC_LINK_IFELSE([AC_LANG_PROGRAM([[
+#define _GNU_SOURCE
+#include <xfs/xfs.h>
+    ]], [[
+         struct getbmapx obj;
+         ioctl(-1, XFS_IOC_GETBMAPX, &obj);
+         obj.bmv_oflags |= BMV_OF_SHARED;
+    ]])],[have_bmv_of_shared=yes
+       AC_MSG_RESULT(yes)],[AC_MSG_RESULT(no)])
+    AC_SUBST(have_bmv_of_shared)
+  ])