btrfs-progs: check: introduce function to check shared block ref

[platform/upstream/btrfs-progs.git] / configure.ac

diff --git a/configure.ac b/configure.ac
index fc343ea..901d434 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -105,10 +105,16 @@ AS_IF([test "x$enable_convert" = xyes], [DISABLE_BTRFSCONVERT=0], [DISABLE_BTRFS
 AC_SUBST([DISABLE_BTRFSCONVERT])
 
 if test "x$enable_convert" = xyes; then
-       PKG_CHECK_MODULES(EXT2FS, [ext2fs])
+       PKG_CHECK_MODULES(EXT2FS, [ext2fs >= 1.42],,
+               [PKG_CHECK_MODULES(EXT2FS, [ext2fs],
+                       [AC_DEFINE([HAVE_OLD_E2FSPROGS], [1],
+                                 [E2fsprogs does not support BIGALLOC])]
+                       )])
        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
@@ -124,6 +130,9 @@ PKG_STATIC(UUID_LIBS_STATIC, [uuid])
 PKG_CHECK_MODULES(ZLIB, [zlib])
 PKG_STATIC(ZLIB_LIBS_STATIC, [zlib])
 
+UDEVDIR="$(pkg-config udev --variable=udevdir)"
+AC_SUBST(UDEVDIR)
+
 dnl lzo library does not provide pkg-config, let use classic way
 AC_CHECK_LIB([lzo2], [lzo_version], [
        LZO2_LIBS="-llzo2"