Merge branch 'upstream-linus' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik...

[sfrench/cifs-2.6.git] / Makefile

diff --git a/Makefile b/Makefile
index aef96259051fa58211ec31b7f22b0bee3c595176..75adfb539977d42a35ee77913cbb102304b0f81f 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -1,8 +1,8 @@
 VERSION = 2
 PATCHLEVEL = 6
-SUBLEVEL = 19
-EXTRAVERSION =
-NAME=Avast! A bilge rat!
+SUBLEVEL = 20
+EXTRAVERSION =-rc7
+NAME = Homicidal Dwarf Hamster
 
 # *DOCUMENTATION*
 # To see a list of typical targets execute "make help"
@@ -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...)
 
@@ -497,11 +496,6 @@ else
 CFLAGS         += -fomit-frame-pointer
 endif
 
-ifdef CONFIG_UNWIND_INFO
-CFLAGS         += -fasynchronous-unwind-tables
-LDFLAGS_vmlinux        += --eh-frame-hdr
-endif
-
 ifdef CONFIG_DEBUG_INFO
 CFLAGS         += -g
 endif
@@ -1101,9 +1095,9 @@ boards := $(notdir $(boards))
 
 help:
        @echo  'Cleaning targets:'
-       @echo  '  clean           - remove most generated files but keep the config and'
+       @echo  '  clean           - Remove most generated files but keep the config and'
        @echo  '                    enough build support to build external modules'
-       @echo  '  mrproper        - remove all generated files + config + various backup files'
+       @echo  '  mrproper        - Remove all generated files + config + various backup files'
        @echo  '  distclean       - mrproper + remove editor backup and patch files'
        @echo  ''
        @echo  'Configuration targets:'
@@ -1122,15 +1116,15 @@ help:
        @echo  '  cscope          - Generate cscope index'
        @echo  '  kernelrelease   - Output the release version string'
        @echo  '  kernelversion   - Output the version stored in Makefile'
-       @if [ -r include/asm-$(ARCH)/Kbuild ]; then \
+       @if [ -r $(srctree)/include/asm-$(ARCH)/Kbuild ]; then \
         echo  '  headers_install - Install sanitised kernel headers to INSTALL_HDR_PATH'; \
+        echo  '                    (default: $(INSTALL_HDR_PATH))'; \
         fi
-       @echo  '                    (default: $(INSTALL_HDR_PATH))'
        @echo  ''
        @echo  'Static analysers'
        @echo  '  checkstack      - Generate a list of stack hogs'
        @echo  '  namespacecheck  - Name space analysis on compiled kernel'
-       @if [ -r include/asm-$(ARCH)/Kbuild ]; then \
+       @if [ -r $(srctree)/include/asm-$(ARCH)/Kbuild ]; then \
         echo  '  headers_check   - Sanity check on exported headers'; \
         fi
        @echo  ''
@@ -1391,12 +1385,18 @@ endif #ifeq ($(mixed-targets),1)
 
 PHONY += checkstack kernelrelease kernelversion
 
-# Use $(SUBARCH) here instead of $(ARCH) so that this works for UML.
-# In the UML case, $(SUBARCH) is the name of the underlying
-# architecture, while for all other arches, it is the same as $(ARCH).
+# UML needs a little special treatment here.  It wants to use the host
+# toolchain, so needs $(SUBARCH) passed to checkstack.pl.  Everyone
+# else wants $(ARCH), including people doing cross-builds, which means
+# that $(SUBARCH) doesn't work here.
+ifeq ($(ARCH), um)
+CHECKSTACK_ARCH := $(SUBARCH)
+else
+CHECKSTACK_ARCH := $(ARCH)
+endif
 checkstack:
        $(OBJDUMP) -d vmlinux $$(find . -name '*.ko') | \
-       $(PERL) $(src)/scripts/checkstack.pl $(SUBARCH)
+       $(PERL) $(src)/scripts/checkstack.pl $(CHECKSTACK_ARCH)
 
 kernelrelease:
        $(if $(wildcard include/config/kernel.release), $(Q)echo $(KERNELRELEASE), \
@@ -1484,6 +1484,8 @@ 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.