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[Qemu-devel] [PATCH] ivshmem-server: ivshmem-client: Build when eventfd(


From: Kamil Rytarowski
Subject: [Qemu-devel] [PATCH] ivshmem-server: ivshmem-client: Build when eventfd() is available
Date: Tue, 30 May 2017 08:20:22 +0200

Currently ivshmem requires eventfd() which is Linux specific.
Do not and build it unconditionally on every Linux/BSD/Solaris.

This patch indirectly fixes build failure on NetBSD, where these tools
additionally require -lrt for shm_open(3). In future there should be
added support for NetBSD and the linking addressed appropriately.

Signed-off-by: Kamil Rytarowski <address@hidden>
Reviewed-by: Markus Armbruster <address@hidden>
---
 configure                            | 2 ++
 contrib/ivshmem-client/Makefile.objs | 2 +-
 contrib/ivshmem-server/Makefile.objs | 2 +-
 3 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/configure b/configure
index 1a5ee4b909..483307be53 100755
--- a/configure
+++ b/configure
@@ -4928,6 +4928,8 @@ if test "$want_tools" = "yes" ; then
   tools="qemu-img\$(EXESUF) qemu-io\$(EXESUF) $tools"
   if [ "$linux" = "yes" -o "$bsd" = "yes" -o "$solaris" = "yes" ] ; then
     tools="qemu-nbd\$(EXESUF) $tools"
+  fi
+  if [ "$eventfd" = "yes" ]; then
     tools="ivshmem-client\$(EXESUF) ivshmem-server\$(EXESUF) $tools"
   fi
 fi
diff --git a/contrib/ivshmem-client/Makefile.objs 
b/contrib/ivshmem-client/Makefile.objs
index bfab2d20dd..13d864082d 100644
--- a/contrib/ivshmem-client/Makefile.objs
+++ b/contrib/ivshmem-client/Makefile.objs
@@ -1 +1 @@
-ivshmem-client-obj-y = ivshmem-client.o main.o
+ivshmem-client-obj-$(CONFIG_IVSHMEM) = ivshmem-client.o main.o
diff --git a/contrib/ivshmem-server/Makefile.objs 
b/contrib/ivshmem-server/Makefile.objs
index c060dd3698..d9469fd777 100644
--- a/contrib/ivshmem-server/Makefile.objs
+++ b/contrib/ivshmem-server/Makefile.objs
@@ -1 +1 @@
-ivshmem-server-obj-y = ivshmem-server.o main.o
+ivshmem-server-obj-$(CONFIG_IVSHMEM) = ivshmem-server.o main.o
-- 
2.11.1




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