[PATCH RFC 02/23] configure: make the libaio test non-fatal on OSes different than Linux

[Roger Pau Monne <roger.pau@citrix.com>]

libaio is only present on Linux systems, so make the configure test
that checks for libaio non-fatal is the host OS is different than
Linux.

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.
---
 tools/configure.ac |    8 +++++++-
 1 files changed, 7 insertions(+), 1 deletions(-)

diff --git a/tools/configure.ac b/tools/configure.ac
index a62faf8..eb54098 100644
--- a/tools/configure.ac
+++ b/tools/configure.ac
@@ -220,7 +220,13 @@ AC_CHECK_HEADER([lzo/lzo1x.h], [
 AC_CHECK_LIB([lzo2], [lzo1x_decompress], [zlib="$zlib -DHAVE_LZO1X -llzo2"])
 ])
 AC_SUBST(zlib)
-AC_CHECK_LIB([aio], [io_setup], [], [AC_MSG_ERROR([Could not find libaio])])
+AC_CHECK_LIB([aio], [io_setup], [], [
+    case "$host_os" in
+    linux*)
+        AC_MSG_ERROR([Could not find libaio])
+        ;;
+    esac
+])
 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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