Merge tag 'kconfig-v4.19-2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiro...

[linux] / Makefile

diff --git a/Makefile b/Makefile
index cc4875d..a0650bf 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -225,10 +225,13 @@ no-dot-config-targets := $(clean-targets) \
                         cscope gtags TAGS tags help% %docs check% coccicheck \
                         $(version_h) headers_% archheaders archscripts \
                         %asm-generic kernelversion %src-pkg
+no-sync-config-targets := $(no-dot-config-targets) install %install \
+                          kernelrelease
 
-config-targets := 0
-mixed-targets  := 0
-dot-config     := 1
+config-targets  := 0
+mixed-targets   := 0
+dot-config      := 1
+may-sync-config := 1
 
 ifneq ($(filter $(no-dot-config-targets), $(MAKECMDGOALS)),)
        ifeq ($(filter-out $(no-dot-config-targets), $(MAKECMDGOALS)),)
@@ -236,6 +239,16 @@ ifneq ($(filter $(no-dot-config-targets), $(MAKECMDGOALS)),)
        endif
 endif
 
+ifneq ($(filter $(no-sync-config-targets), $(MAKECMDGOALS)),)
+       ifeq ($(filter-out $(no-sync-config-targets), $(MAKECMDGOALS)),)
+               may-sync-config := 0
+       endif
+endif
+
+ifneq ($(KBUILD_EXTMOD),)
+       may-sync-config := 0
+endif
+
 ifeq ($(KBUILD_EXTMOD),)
         ifneq ($(filter config %config,$(MAKECMDGOALS)),)
                 config-targets := 1
@@ -585,7 +598,7 @@ virt-y              := virt/
 endif # KBUILD_EXTMOD
 
 ifeq ($(dot-config),1)
--include include/config/auto.conf
+include include/config/auto.conf
 endif
 
 # The all: target is the default when no target is given on the
@@ -607,7 +620,7 @@ ARCH_CFLAGS :=
 include arch/$(SRCARCH)/Makefile
 
 ifeq ($(dot-config),1)
-ifeq ($(KBUILD_EXTMOD),)
+ifeq ($(may-sync-config),1)
 # Read in dependencies to all Kconfig* files, make sure to run syncconfig if
 # changes are detected. This should be included after arch/$(SRCARCH)/Makefile
 # because some architectures define CROSS_COMPILE there.
@@ -622,8 +635,9 @@ $(KCONFIG_CONFIG) include/config/auto.conf.cmd: ;
 include/config/%.conf: $(KCONFIG_CONFIG) include/config/auto.conf.cmd
        $(Q)$(MAKE) -f $(srctree)/Makefile syncconfig
 else
-# external modules needs include/generated/autoconf.h and include/config/auto.conf
-# but do not care if they are up-to-date. Use auto.conf to trigger the test
+# External modules and some install targets need include/generated/autoconf.h
+# and include/config/auto.conf but do not care if they are up-to-date.
+# Use auto.conf to trigger the test
 PHONY += include/config/auto.conf
 
 include/config/auto.conf:
@@ -635,11 +649,7 @@ include/config/auto.conf:
        echo >&2 ;                                                      \
        /bin/false)
 
-endif # KBUILD_EXTMOD
-
-else
-# Dummy target needed, because used as prerequisite
-include/config/auto.conf: ;
+endif # may-sync-config
 endif # $(dot-config)
 
 KBUILD_CFLAGS  += $(call cc-option,-fno-delete-null-pointer-checks,)
@@ -1035,15 +1045,14 @@ define filechk_kernel.release
 endef
 
 # Store (new) KERNELRELEASE string in include/config/kernel.release
-include/config/kernel.release: include/config/auto.conf FORCE
+include/config/kernel.release: $(srctree)/Makefile FORCE
        $(call filechk,kernel.release)
 
 # Additional helpers built in scripts/
 # Carefully list dependencies so we do not try to build scripts twice
 # in parallel
 PHONY += scripts
-scripts: scripts_basic include/config/auto.conf include/config/tristate.conf \
-        asm-generic gcc-plugins $(autoksyms_h)
+scripts: scripts_basic asm-generic gcc-plugins $(autoksyms_h)
        $(Q)$(MAKE) $(build)=$(@)
 
 # Things we need to do before we recursively start building the kernel
@@ -1073,8 +1082,7 @@ endif
 # that need to depend on updated CONFIG_* values can be checked here.
 prepare2: prepare3 outputmakefile asm-generic
 
-prepare1: prepare2 $(version_h) $(autoksyms_h) include/generated/utsrelease.h \
-                   include/config/auto.conf
+prepare1: prepare2 $(version_h) $(autoksyms_h) include/generated/utsrelease.h
        $(cmd_crmodverdir)
 
 archprepare: archheaders archscripts prepare1 scripts_basic
@@ -1212,7 +1220,7 @@ modules: $(vmlinux-dirs) $(if $(KBUILD_BUILTIN),vmlinux) modules.builtin
 modules.builtin: $(vmlinux-dirs:%=%/modules.builtin)
        $(Q)$(AWK) '!x[$$0]++' $^ > $(objtree)/modules.builtin
 
-%/modules.builtin: include/config/auto.conf
+%/modules.builtin: include/config/auto.conf include/config/tristate.conf
        $(Q)$(MAKE) $(modbuiltin)=$*