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

From: Roger Pau Monne <roger.pau@citrix.com>
To: xen-devel@lists.xenproject.org
Cc: Ian Jackson <Ian.Jackson@eu.citrix.com>,
	Ian Campbell <ian.campbell@citrix.com>,
	Roger Pau Monne <roger.pau@citrix.com>
Subject: [PATCH v3 2/5] configure: make the libaio test conditional on blktap{1, 2}
Date: Thu, 19 Jun 2014 18:32:45 +0200	[thread overview]
Message-ID: <1403195568-19464-3-git-send-email-roger.pau@citrix.com> (raw)
In-Reply-To: <1403195568-19464-1-git-send-email-roger.pau@citrix.com>

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 Monné <roger.pau@citrix.com>
Cc: Ian Jackson <Ian.Jackson@eu.citrix.com>
Cc: Ian Campbell <ian.campbell@citrix.com>
---
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="$zlib -DHAVE_LZO1X -llzo2"])
 ])
 AC_SUBST(zlib)
+AS_IF([test "x$enable_blktap1" = "xyes" || test "x$enable_blktap2" = "xyes"], [
 AC_CHECK_LIB([aio], [io_setup], [], [AC_MSG_ERROR([Could not find libaio])])
+])
 AC_SUBST(system_aio)
 AC_CHECK_LIB([crypto], [MD5], [], [AC_MSG_ERROR([Could not find libcrypto])])
 AX_CHECK_EXTFS
-- 
1.7.7.5 (Apple Git-26)


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