[PATCH] automake: enable 'make V=0'

[Noah Watkins <jayhawk@xxxxxxxxxxx>]

From: Noah Watkins <noahwatkins@xxxxxxxxx>

Enables silent mode for automake generated Makefiles,
and silent mode is _off_ by default. Using V=0 the output
is much easier to read when trying to find warnings:

nwatkins@piha:~/Projects/ceph/ceph$ make -j8 V=0
make[3]: Entering directory `/users/nwatkins/Projects/ceph/ceph/src'
  CC     locks.o
  CXX    journal.o
  CXX    Server.o
  CXX    Mutation.o
  CXX    MDCache.o
  CXX    Locker.o
  CXX    Migrator.o
  CXX    MDBalancer.o
  CXX    CDentry.o
  CXX    CDir.o
  CXX    CInode.o
  CXX    LogEvent.o
  CXX    MDSTable.o

Signed-off-by: Noah Watkins <noahwatkins@xxxxxxxxx>
---
 configure.ac |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)

diff --git a/configure.ac b/configure.ac
index 54582e9..1700daa 100644
--- a/configure.ac
+++ b/configure.ac
@@ -20,6 +20,9 @@ AM_INIT_AUTOMAKE
 AM_PROG_CC_C_O
 AM_PROG_LIBTOOL
 
+# Enable make V=0
+AM_SILENT_RULES([yes])
+
 # Platform
 case "${target_os}" in
 darwin*)
-- 
1.7.1

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