Use quiet make for Travis CI.

.travis.yml

@@ -1,7 +1,7 @@
 language: c
 compiler:
   - gcc
-script: make DYNAMIC_ARCH=1 TARGET=NEHALEM NUM_THREADS=16
+script: make QUIET_MAKE=1 DYNAMIC_ARCH=1 TARGET=NEHALEM NUM_THREADS=32
 
 before_install:
  - sudo apt-get install -qq gfortran

Makefile.system

@@ -71,6 +71,10 @@ ifeq ($(DEBUG), 1)
 GETARCH_FLAGS	+= -g
 endif
 
+ifeq ($(QUIET_MAKE), 1)
+MAKE += -s
+endif
+
 ifndef NO_PARALLEL_MAKE
 NO_PARALLEL_MAKE=0
 endif
@@ -355,6 +359,10 @@ CCOMMON_OPT += -Wall
 COMMON_PROF += -fno-inline
 NO_UNINITIALIZED_WARN =  -Wno-uninitialized
 
+ifeq ($(QUIET_MAKE), 1)
+CCOMMON_OPT += $(NO_UNINITIALIZED_WARN)
+endif
+
 ifdef NO_BINARY_MODE
 
 ifeq ($(ARCH), mips64)