[PATCH 06/15] kbuild: generate include/generated/compile.h in top Makefile

From: Masahiro Yamada
Date: Sat Aug 27 2022 - 22:40:58 EST


Now that UTS_VERSION was separated out, this header can be generated
much earlier, and probably the top Makefile is a better place to do it
than init/Makefile.

Signed-off-by: Masahiro Yamada <masahiroy@xxxxxxxxxx>
---

Makefile | 8 +++++++-
init/Makefile | 8 +-------
2 files changed, 8 insertions(+), 8 deletions(-)

diff --git a/Makefile b/Makefile
index 54e481162608..d933c0acab12 100644
--- a/Makefile
+++ b/Makefile
@@ -1198,7 +1198,7 @@ PHONY += prepare archprepare

archprepare: outputmakefile archheaders archscripts scripts include/config/kernel.release \
asm-generic $(version_h) $(autoksyms_h) include/generated/utsrelease.h \
- include/generated/autoconf.h remove-stale-files
+ include/generated/compile.h include/generated/autoconf.h remove-stale-files

prepare0: archprepare
$(Q)$(MAKE) $(build)=scripts/mod
@@ -1260,6 +1260,12 @@ $(version_h): FORCE
include/generated/utsrelease.h: include/config/kernel.release FORCE
$(call filechk,utsrelease.h)

+filechk_compile.h = $(srctree)/scripts/mkcompile_h \
+ "$(UTS_MACHINE)" "$(CONFIG_CC_VERSION_TEXT)" "$(LD)"
+
+include/generated/compile.h: FORCE
+ $(call filechk,compile.h)
+
PHONY += headerdep
headerdep:
$(Q)find $(srctree)/include/ -name '*.h' | xargs --max-args 1 \
diff --git a/init/Makefile b/init/Makefile
index 63f53d210cad..31c17a8e314b 100644
--- a/init/Makefile
+++ b/init/Makefile
@@ -43,15 +43,9 @@ filechk_uts_version = \
$(obj)/utsversion-tmp.h: FORCE
$(call filechk,uts_version)

-$(obj)/version.o: include/generated/compile.h $(obj)/utsversion-tmp.h
+$(obj)/version.o: $(obj)/utsversion-tmp.h
CFLAGS_version.o := -include $(obj)/utsversion-tmp.h

-filechk_compile.h = $(srctree)/scripts/mkcompile_h \
- "$(UTS_MACHINE)" "$(CONFIG_CC_VERSION_TEXT)" "$(LD)"
-
-include/generated/compile.h: FORCE
- $(call filechk,compile.h)
-
#
# Build version-timestamp.c with final UTS_VERSION
#
--
2.34.1