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-rw-r--r--Makefile17
1 files changed, 9 insertions, 8 deletions
diff --git a/Makefile b/Makefile
index aef96259051..73e825b39a0 100644
--- a/Makefile
+++ b/Makefile
@@ -10,8 +10,11 @@ NAME=Avast! A bilge rat!
# Comments in this file are targeted only to the developer, do not
# expect to learn how to build the kernel reading this file.
-# Do not print "Entering directory ..."
-MAKEFLAGS += --no-print-directory
+# Do not:
+# o use make's built-in rules and variables
+# (this increases performance and avoid hard-to-debug behavour);
+# o print "Entering directory ...";
+MAKEFLAGS += -rR --no-print-directory
# We are using a recursive build, so we need to do a little thinking
# to get the ordering right.
@@ -271,12 +274,8 @@ export quiet Q KBUILD_VERBOSE
# Look for make include files relative to root of kernel src
MAKEFLAGS += --include-dir=$(srctree)
-# We need some generic definitions
-include $(srctree)/scripts/Kbuild.include
-
-# Do not use make's built-in rules and variables
-# This increases performance and avoid hard-to-debug behavour
-MAKEFLAGS += -rR
+# We need some generic definitions.
+include $(srctree)/scripts/Kbuild.include
# Make variables (CC, etc...)
@@ -1484,6 +1483,8 @@ endif # skip-makefile
PHONY += FORCE
FORCE:
+# Cancel implicit rules on top Makefile, `-rR' will apply to sub-makes.
+Makefile: ;
# Declare the contents of the .PHONY variable as phony. We keep that
# information in a variable se we can use it in if_changed and friends.