X-Git-Url: http://pileus.org/git/?a=blobdiff_plain;f=Makefile;h=4231023c0b80429ff4e44f315eb099743d4d043a;hb=4e13c5d0212f25d69a97606b9d5a85edb52a7737;hp=455fd484b20edb92a0c916c1be3cc7adffc6cfa4;hpb=e9e352e9100b98aed1a5fb9e33355c29fb07d5b1;p=~andy%2Flinux

diff --git a/Makefile b/Makefile
index 455fd484b20..4231023c0b8 100644
--- a/Makefile
+++ b/Makefile
@@ -311,9 +311,15 @@ endif
 # If the user is running make -s (silent mode), suppress echoing of
 # commands
 
+ifneq ($(filter 4.%,$(MAKE_VERSION)),)	# make-4
+ifneq ($(filter %s ,$(firstword x$(MAKEFLAGS))),)
+  quiet=silent_
+endif
+else					# make-3.8x
 ifneq ($(filter s% -s%,$(MAKEFLAGS)),)
   quiet=silent_
 endif
+endif
 
 export quiet Q KBUILD_VERBOSE
 
@@ -633,7 +639,7 @@ endif
 
 ifdef CONFIG_DEBUG_INFO
 KBUILD_CFLAGS	+= -g
-KBUILD_AFLAGS	+= -gdwarf-2
+KBUILD_AFLAGS	+= -Wa,--gdwarf-2
 endif
 
 ifdef CONFIG_DEBUG_INFO_REDUCED
@@ -682,6 +688,9 @@ KBUILD_CFLAGS   += $(call cc-option,-Werror=implicit-int)
 # require functions to have arguments in prototypes, not empty 'int foo()'
 KBUILD_CFLAGS   += $(call cc-option,-Werror=strict-prototypes)
 
+# Prohibit date/time macros, which would make the build non-deterministic
+KBUILD_CFLAGS   += $(call cc-option,-Werror=date-time)
+
 # use the deterministic mode of AR if available
 KBUILD_ARFLAGS := $(call ar-option,D)