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authorMasahiro Yamada <masahiroy@kernel.org>2022-08-20 18:15:28 +0900
committerMasahiro Yamada <masahiroy@kernel.org>2022-09-29 02:00:29 +0900
commited7ceac157c27bdc64e79a3229f5ab6e8899597f (patch)
treea9566fb773eb2a9b5a7816e3daeaf209da1b7b83 /Kbuild
parenta7f3257da8a86b96fb9bf1bba40ae0bbd7f1885a (diff)
kbuild: add phony targets to ./Kbuild
missing-syscalls and old-atomics are meant to be phony targets. Adding them to always-y is odd. (always-y should generate something). Add a new phony target 'prepare', which depends on all the other. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Diffstat (limited to 'Kbuild')
-rw-r--r--Kbuild26
1 files changed, 13 insertions, 13 deletions
diff --git a/Kbuild b/Kbuild
index fa441b98c9f6..e122d93cee32 100644
--- a/Kbuild
+++ b/Kbuild
@@ -2,18 +2,18 @@
#
# Kbuild for top-level directory of the kernel
-#####
+# Prepare global headers and check sanity before descending into sub-directories
+# ---------------------------------------------------------------------------
+
# Generate bounds.h
bounds-file := include/generated/bounds.h
-always-y := $(bounds-file)
targets := kernel/bounds.s
$(bounds-file): kernel/bounds.s FORCE
$(call filechk,offsets,__LINUX_BOUNDS_H__)
-#####
# Generate timeconst.h
timeconst-file := include/generated/timeconst.h
@@ -23,12 +23,10 @@ filechk_gentimeconst = echo $(CONFIG_HZ) | bc -q $<
$(timeconst-file): kernel/time/timeconst.bc FORCE
$(call filechk,gentimeconst)
-#####
# Generate asm-offsets.h
offsets-file := include/generated/asm-offsets.h
-always-y += $(offsets-file)
targets += arch/$(SRCARCH)/kernel/asm-offsets.s
arch/$(SRCARCH)/kernel/asm-offsets.s: $(timeconst-file) $(bounds-file)
@@ -36,24 +34,26 @@ arch/$(SRCARCH)/kernel/asm-offsets.s: $(timeconst-file) $(bounds-file)
$(offsets-file): arch/$(SRCARCH)/kernel/asm-offsets.s FORCE
$(call filechk,offsets,__ASM_OFFSETS_H__)
-#####
# Check for missing system calls
-always-y += missing-syscalls
-
quiet_cmd_syscalls = CALL $<
cmd_syscalls = $(CONFIG_SHELL) $< $(CC) $(c_flags) $(missing_syscalls_flags)
-missing-syscalls: scripts/checksyscalls.sh $(offsets-file) FORCE
+PHONY += missing-syscalls
+missing-syscalls: scripts/checksyscalls.sh $(offsets-file)
$(call cmd,syscalls)
-#####
# Check atomic headers are up-to-date
-always-y += old-atomics
-
quiet_cmd_atomics = CALL $<
cmd_atomics = $(CONFIG_SHELL) $<
-old-atomics: scripts/atomic/check-atomics.sh FORCE
+PHONY += old-atomics
+old-atomics: scripts/atomic/check-atomics.sh
$(call cmd,atomics)
+
+# A phony target that depends on all the preparation targets
+
+PHONY += prepare
+prepare: $(offsets-file) missing-syscalls old-atomics
+ @: