diff options
Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/configure.ac b/configure.ac index 97e89f23..8fd8f425 100644 --- a/configure.ac +++ b/configure.ac @@ -161,7 +161,13 @@ PKG_STATIC(UUID_LIBS_STATIC, [uuid]) PKG_CHECK_MODULES(ZLIB, [zlib]) PKG_STATIC(ZLIB_LIBS_STATIC, [zlib]) -UDEVDIR="$(pkg-config udev --variable=udevdir)" +# udev v190 introduced the btrfs builtin and a udev rule to use it. +# Our udev rule gives us the friendly dm names but isn't required (or valid) +# on earlier releases. +UDEVDIR= +if pkg-config udev --atleast-version 190; then + UDEVDIR="$(pkg-config udev --variable=udevdir)" +fi AC_SUBST(UDEVDIR) dnl lzo library does not provide pkg-config, let use classic way |