modpost: drop RCS/CVS $Revision handling in MODULE_VERSION()

[mirror_ubuntu-jammy-kernel.git] / scripts / Makefile.lib

diff --git a/scripts/Makefile.lib b/scripts/Makefile.lib
index 4b799737722c89f670d763bef0146685fb333b96..e598b07e6de4e955a3e35dd9d6cca9a642021b4f 100644 (file)
--- a/scripts/Makefile.lib
+++ b/scripts/Makefile.lib
@@ -4,8 +4,18 @@ asflags-y  += $(EXTRA_AFLAGS)
 ccflags-y  += $(EXTRA_CFLAGS)
 cppflags-y += $(EXTRA_CPPFLAGS)
 ldflags-y  += $(EXTRA_LDFLAGS)
+ifneq ($(always),)
+$(warning 'always' is deprecated. Please use 'always-y' instead)
 always-y   += $(always)
-hostprogs  += $(hostprogs-y) $(hostprogs-m)
+endif
+ifneq ($(hostprogs-y),)
+$(warning 'hostprogs-y' is deprecated. Please use 'hostprogs' instead)
+hostprogs  += $(hostprogs-y)
+endif
+ifneq ($(hostprogs-m),)
+$(warning 'hostprogs-m' is deprecated. Please use 'hostprogs' instead)
+hostprogs  += $(hostprogs-m)
+endif
 
 # flags that take effect in current and sub directories
 KBUILD_AFLAGS += $(subdir-asflags-y)
@@ -22,40 +32,35 @@ obj-m := $(filter-out $(obj-y),$(obj-m))
 # Filter out objects already built-in
 lib-y := $(filter-out $(obj-y), $(sort $(lib-y) $(lib-m)))
 
-# Determine modorder.
-# Unfortunately, we don't have information about ordering between -y
-# and -m subdirs.  Just put -y's first.
-modorder       := $(patsubst %/,%/modules.order, $(filter %/, $(obj-y)) $(obj-m:.o=.ko))
+# Subdirectories we need to descend into
+subdir-ym := $(sort $(subdir-y) $(subdir-m) \
+                       $(patsubst %/,%, $(filter %/, $(obj-y) $(obj-m))))
+
+# Handle objects in subdirs:
+# - If we encounter foo/ in $(obj-y), replace it by foo/built-in.a and
+#   foo/modules.order
+# - If we encounter foo/ in $(obj-m), replace it by foo/modules.order
+#
+# Generate modules.order to determine modorder. Unfortunately, we don't have
+# information about ordering between -y and -m subdirs. Just put -y's first.
+
+ifdef need-modorder
+obj-m := $(patsubst %/,%/modules.order, $(filter %/, $(obj-y)) $(obj-m))
+else
+obj-m := $(filter-out %/, $(obj-m))
+endif
 
-# Handle objects in subdirs
-# ---------------------------------------------------------------------------
-# o if we encounter foo/ in $(obj-y), replace it by foo/built-in.a
-#   and add the directory to the list of dirs to descend into: $(subdir-y)
-# o if we encounter foo/ in $(obj-m), remove it from $(obj-m)
-#   and add the directory to the list of dirs to descend into: $(subdir-m)
-__subdir-y     := $(patsubst %/,%,$(filter %/, $(obj-y)))
-subdir-y       += $(__subdir-y)
-__subdir-m     := $(patsubst %/,%,$(filter %/, $(obj-m)))
-subdir-m       += $(__subdir-m)
 ifdef need-builtin
 obj-y          := $(patsubst %/, %/built-in.a, $(obj-y))
 else
 obj-y          := $(filter-out %/, $(obj-y))
 endif
-obj-m          := $(filter-out %/, $(obj-m))
-
-# Subdirectories we need to descend into
-subdir-ym      := $(sort $(subdir-y) $(subdir-m))
 
 # If $(foo-objs), $(foo-y), $(foo-m), or $(foo-) exists, foo.o is a composite object
 multi-used-y := $(sort $(foreach m,$(obj-y), $(if $(strip $($(m:.o=-objs)) $($(m:.o=-y)) $($(m:.o=-))), $(m))))
 multi-used-m := $(sort $(foreach m,$(obj-m), $(if $(strip $($(m:.o=-objs)) $($(m:.o=-y)) $($(m:.o=-m)) $($(m:.o=-))), $(m))))
 multi-used   := $(multi-used-y) $(multi-used-m)
 
-# $(subdir-obj-y) is the list of objects in $(obj-y) which uses dir/ to
-# tell kbuild to descend
-subdir-obj-y := $(filter %/built-in.a, $(obj-y))
-
 # Replace multi-part objects by their individual parts,
 # including built-in.a from subdirectories
 real-obj-y := $(foreach m, $(obj-y), $(if $(strip $($(m:.o=-objs)) $($(m:.o=-y)) $($(m:.o=-))),$($(m:.o=-objs)) $($(m:.o=-y)),$(m)))
@@ -78,10 +83,8 @@ endif
 extra-y                := $(addprefix $(obj)/,$(extra-y))
 always-y       := $(addprefix $(obj)/,$(always-y))
 targets                := $(addprefix $(obj)/,$(targets))
-modorder       := $(addprefix $(obj)/,$(modorder))
 obj-m          := $(addprefix $(obj)/,$(obj-m))
 lib-y          := $(addprefix $(obj)/,$(lib-y))
-subdir-obj-y   := $(addprefix $(obj)/,$(subdir-obj-y))
 real-obj-y     := $(addprefix $(obj)/,$(real-obj-y))
 real-obj-m     := $(addprefix $(obj)/,$(real-obj-m))
 multi-used-m   := $(addprefix $(obj)/,$(multi-used-m))
@@ -171,22 +174,22 @@ modkern_aflags = $(if $(part-of-module),                          \
                        $(KBUILD_AFLAGS_MODULE) $(AFLAGS_MODULE),       \
                        $(KBUILD_AFLAGS_KERNEL) $(AFLAGS_KERNEL))
 
-c_flags        = -Wp,-MD,$(depfile) $(NOSTDINC_FLAGS) $(LINUXINCLUDE)     \
+c_flags        = -Wp,-MMD,$(depfile) $(NOSTDINC_FLAGS) $(LINUXINCLUDE)     \
                 -include $(srctree)/include/linux/compiler_types.h       \
                 $(_c_flags) $(modkern_cflags)                           \
                 $(basename_flags) $(modname_flags)
 
-a_flags        = -Wp,-MD,$(depfile) $(NOSTDINC_FLAGS) $(LINUXINCLUDE)     \
+a_flags        = -Wp,-MMD,$(depfile) $(NOSTDINC_FLAGS) $(LINUXINCLUDE)     \
                 $(_a_flags) $(modkern_aflags)
 
-cpp_flags      = -Wp,-MD,$(depfile) $(NOSTDINC_FLAGS) $(LINUXINCLUDE)     \
+cpp_flags      = -Wp,-MMD,$(depfile) $(NOSTDINC_FLAGS) $(LINUXINCLUDE)     \
                 $(_cpp_flags)
 
 ld_flags       = $(KBUILD_LDFLAGS) $(ldflags-y) $(LDFLAGS_$(@F))
 
 DTC_INCLUDE    := $(srctree)/scripts/dtc/include-prefixes
 
-dtc_cpp_flags  = -Wp,-MD,$(depfile).pre.tmp -nostdinc                    \
+dtc_cpp_flags  = -Wp,-MMD,$(depfile).pre.tmp -nostdinc                    \
                 $(addprefix -I,$(DTC_INCLUDE))                          \
                 -undef -D__DTS__
 
@@ -287,13 +290,13 @@ $(obj)/%.dtb.S: $(obj)/%.dtb FORCE
 quiet_cmd_dtc = DTC     $@
 cmd_dtc = mkdir -p $(dir ${dtc-tmp}) ; \
        $(HOSTCC) -E $(dtc_cpp_flags) -x assembler-with-cpp -o $(dtc-tmp) $< ; \
-       $(DTC) -O $(2) -o $@ -b 0 \
+       $(DTC) -O $(patsubst .%,%,$(suffix $@)) -o $@ -b 0 \
                $(addprefix -i,$(dir $<) $(DTC_INCLUDE)) $(DTC_FLAGS) \
                -d $(depfile).dtc.tmp $(dtc-tmp) ; \
        cat $(depfile).pre.tmp $(depfile).dtc.tmp > $(depfile)
 
 $(obj)/%.dtb: $(src)/%.dts $(DTC) FORCE
-       $(call if_changed_dep,dtc,dtb)
+       $(call if_changed_dep,dtc)
 
 DT_CHECKER ?= dt-validate
 DT_BINDING_DIR := Documentation/devicetree/bindings
@@ -304,7 +307,7 @@ quiet_cmd_dtb_check =       CHECK   $@
       cmd_dtb_check =  $(DT_CHECKER) -u $(srctree)/$(DT_BINDING_DIR) -p $(DT_TMP_SCHEMA) $@
 
 define rule_dtc
-       $(call cmd_and_fixdep,dtc,yaml)
+       $(call cmd_and_fixdep,dtc)
        $(call cmd,dtb_check)
 endef