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-rw-r--r--configure.ac2
1 files changed, 2 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac
index c79472cc..901d4347 100644
--- a/configure.ac
+++ b/configure.ac
@@ -113,6 +113,8 @@ if test "x$enable_convert" = xyes; then
PKG_CHECK_MODULES(COM_ERR, [com_err])
fi
+AX_CHECK_DEFINE([linux/fiemap.h], [FIEMAP_EXTENT_SHARED], [],
+ [AC_MSG_ERROR([no definition of FIEMAP_EXTENT_SHARED found])])
dnl Define <NAME>_LIBS= and <NAME>_CFLAGS= by pkg-config
dnl