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[Xen-devel] [PATCH v3 2/5] configure: make the libaio test conditional on blktap{1, 2}

libaio is only required for blktap{1,2}, so make the check conditional
on whether the user has requested blktap{1,2} or not.

Signed-off-by: Roger Pau Monnà <roger.pau@xxxxxxxxxx>
Cc: Ian Jackson <Ian.Jackson@xxxxxxxxxxxxx>
Cc: Ian Campbell <ian.campbell@xxxxxxxxxx>
Please re-run autoconf after applying this patch.
Changes since v2:
 - Make libaio test conditional on whether blktap2 is also enabled.
 tools/configure.ac |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/tools/configure.ac b/tools/configure.ac
index 836bbba..6d70f04 100644
--- a/tools/configure.ac
+++ b/tools/configure.ac
@@ -262,7 +262,9 @@ AC_CHECK_HEADER([lzo/lzo1x.h], [
 AC_CHECK_LIB([lzo2], [lzo1x_decompress], [zlib="$zlib -DHAVE_LZO1X -llzo2"])
+AS_IF([test "x$enable_blktap1" = "xyes" || test "x$enable_blktap2" = "xyes"], [
 AC_CHECK_LIB([aio], [io_setup], [], [AC_MSG_ERROR([Could not find libaio])])
 AC_CHECK_LIB([crypto], [MD5], [], [AC_MSG_ERROR([Could not find libcrypto])])
-- (Apple Git-26)

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