Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6

[sfrench/cifs-2.6.git] / Makefile

diff --git a/Makefile b/Makefile
index 141da26fda4b87870ba19237f61ced915d0cebcb..7431c283f15b3efaed73050a0c33d721a9fc8a57 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -332,10 +332,9 @@ CHECK              = sparse
 
 CHECKFLAGS     := -D__linux__ -Dlinux -D__STDC__ -Dunix -D__unix__ \
                  -Wbitwise -Wno-return-void $(CF)
-MODFLAGS       = -DMODULE
-CFLAGS_MODULE   = $(MODFLAGS)
-AFLAGS_MODULE   = $(MODFLAGS)
-LDFLAGS_MODULE  = -T $(srctree)/scripts/module-common.lds
+CFLAGS_MODULE   =
+AFLAGS_MODULE   =
+LDFLAGS_MODULE  =
 CFLAGS_KERNEL  =
 AFLAGS_KERNEL  =
 CFLAGS_GCOV    = -fprofile-arcs -ftest-coverage
@@ -354,7 +353,12 @@ KBUILD_CFLAGS   := -Wall -Wundef -Wstrict-prototypes -Wno-trigraphs \
                   -Werror-implicit-function-declaration \
                   -Wno-format-security \
                   -fno-delete-null-pointer-checks
+KBUILD_AFLAGS_KERNEL :=
+KBUILD_CFLAGS_KERNEL :=
 KBUILD_AFLAGS   := -D__ASSEMBLY__
+KBUILD_AFLAGS_MODULE  := -DMODULE
+KBUILD_CFLAGS_MODULE  := -DMODULE
+KBUILD_LDFLAGS_MODULE := -T $(srctree)/scripts/module-common.lds
 
 # Read KERNELRELEASE from include/config/kernel.release (if it exists)
 KERNELRELEASE = $(shell cat include/config/kernel.release 2> /dev/null)
@@ -369,6 +373,8 @@ export HOSTCXX HOSTCXXFLAGS LDFLAGS_MODULE CHECK CHECKFLAGS
 export KBUILD_CPPFLAGS NOSTDINC_FLAGS LINUXINCLUDE OBJCOPYFLAGS LDFLAGS
 export KBUILD_CFLAGS CFLAGS_KERNEL CFLAGS_MODULE CFLAGS_GCOV
 export KBUILD_AFLAGS AFLAGS_KERNEL AFLAGS_MODULE
+export KBUILD_AFLAGS_MODULE KBUILD_CFLAGS_MODULE KBUILD_LDFLAGS_MODULE
+export KBUILD_AFLAGS_KERNEL KBUILD_CFLAGS_KERNEL
 
 # When compiling out-of-tree modules, put MODVERDIR in the module
 # tree rather than in the kernel tree. The kernel tree might
@@ -412,9 +418,9 @@ endif
 # of make so .config is not included in this case either (for *config).
 
 no-dot-config-targets := clean mrproper distclean \
-                        cscope TAGS tags help %docs check% \
+                        cscope TAGS tags help %docs check% coccicheck \
                         include/linux/version.h headers_% \
-                        kernelrelease kernelversion
+                        kernelversion %src-pkg
 
 config-targets := 0
 mixed-targets  := 0
@@ -526,7 +532,7 @@ endif # $(dot-config)
 # The all: target is the default when no target is given on the
 # command line.
 # This allow a user to issue only 'make' to build a kernel including modules
-# Defaults vmlinux but it is usually overridden in the arch makefile
+# Defaults to vmlinux, but the arch makefile usually adds further targets
 all: vmlinux
 
 ifdef CONFIG_CC_OPTIMIZE_FOR_SIZE
@@ -557,6 +563,10 @@ KBUILD_CFLAGS      += -g
 KBUILD_AFLAGS  += -gdwarf-2
 endif
 
+ifdef CONFIG_DEBUG_INFO_REDUCED
+KBUILD_CFLAGS  += $(call cc-option, -femit-struct-debug-baseonly)
+endif
+
 ifdef CONFIG_FUNCTION_TRACER
 KBUILD_CFLAGS  += -pg
 endif
@@ -603,7 +613,7 @@ endif
 # Use --build-id when available.
 LDFLAGS_BUILD_ID = $(patsubst -Wl$(comma)%,%,\
                              $(call cc-ldoption, -Wl$(comma)--build-id,))
-LDFLAGS_MODULE += $(LDFLAGS_BUILD_ID)
+KBUILD_LDFLAGS_MODULE += $(LDFLAGS_BUILD_ID)
 LDFLAGS_vmlinux += $(LDFLAGS_BUILD_ID)
 
 ifeq ($(CONFIG_STRIP_ASM_SYMS),y)
@@ -1158,6 +1168,8 @@ distclean: mrproper
 # rpm target kept for backward compatibility
 package-dir    := $(srctree)/scripts/package
 
+%src-pkg: FORCE
+       $(Q)$(MAKE) $(build)=$(package-dir) $@
 %pkg: include/config/kernel.release FORCE
        $(Q)$(MAKE) $(build)=$(package-dir) $@
 rpm: include/config/kernel.release FORCE
@@ -1209,8 +1221,9 @@ help:
        @echo  '  includecheck    - Check for duplicate included header files'
        @echo  '  export_report   - List the usages of all exported symbols'
        @echo  '  headers_check   - Sanity check on exported headers'
-       @echo  '  headerdep       - Detect inclusion cycles in headers'; \
-        echo  ''
+       @echo  '  headerdep       - Detect inclusion cycles in headers'
+       @$(MAKE) -f $(srctree)/scripts/Makefile.help checker-help
+       @echo  ''
        @echo  'Kernel packaging:'
        @$(MAKE) $(build)=$(package-dir) help
        @echo  ''
@@ -1369,6 +1382,9 @@ versioncheck:
                -name '*.[hcS]' -type f -print | sort \
                | xargs $(PERL) -w $(srctree)/scripts/checkversion.pl
 
+coccicheck:
+       $(Q)$(CONFIG_SHELL) $(srctree)/scripts/$@
+
 namespacecheck:
        $(PERL) $(srctree)/scripts/namespace.pl
 
@@ -1393,9 +1409,9 @@ checkstack:
        $(OBJDUMP) -d vmlinux $$(find . -name '*.ko') | \
        $(PERL) $(src)/scripts/checkstack.pl $(CHECKSTACK_ARCH)
 
-kernelrelease:
-       $(if $(wildcard include/config/kernel.release), $(Q)echo $(KERNELRELEASE), \
-       $(error kernelrelease not valid - run 'make prepare' to update it))
+kernelrelease: include/config/kernel.release
+       @echo $(KERNELRELEASE)
+
 kernelversion:
        @echo $(KERNELVERSION)
 
@@ -1472,6 +1488,7 @@ cmd_crmodverdir = $(Q)mkdir -p $(MODVERDIR) \
                   $(if $(KBUILD_MODULES),; rm -f $(MODVERDIR)/*)
 
 a_flags = -Wp,-MD,$(depfile) $(KBUILD_AFLAGS) $(AFLAGS_KERNEL) \
+         $(KBUILD_AFLAGS_KERNEL)                              \
          $(NOSTDINC_FLAGS) $(LINUXINCLUDE) $(KBUILD_CPPFLAGS) \
          $(modkern_aflags) $(EXTRA_AFLAGS) $(AFLAGS_$(basetarget).o)