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authorGreg Kroah-Hartman <gregkh@suse.de>2006-08-07 13:39:55 -0700
committerGreg Kroah-Hartman <gregkh@suse.de>2006-08-07 13:39:55 -0700
commit20dbfad8e5dfea56b3cb0cfd4465f01c37b57aa6 (patch)
tree2700dbf73a0faef3a8678499c502c1bbaad18a07 /Makefile
parent8b384b81e27222a307576630c89ea26e17b7be6a (diff)
parent9ee4e3365dd0dab4c1e02fe44dc08a223b826c72 (diff)
downloadlwn-20dbfad8e5dfea56b3cb0cfd4465f01c37b57aa6.tar.gz
lwn-20dbfad8e5dfea56b3cb0cfd4465f01c37b57aa6.zip
Merge git://git.kernel.org/pub/scm/linux/kernel/git/sam/kbuild-2.6.18
Diffstat (limited to 'Makefile')
-rw-r--r--Makefile24
1 files changed, 18 insertions, 6 deletions
diff --git a/Makefile b/Makefile
index c2f78a5a5493..c53ed568a33a 100644
--- a/Makefile
+++ b/Makefile
@@ -436,12 +436,13 @@ core-y := usr/
endif # KBUILD_EXTMOD
ifeq ($(dot-config),1)
-# In this section, we need .config
+# Read in config
+-include include/config/auto.conf
+ifeq ($(KBUILD_EXTMOD),)
# Read in dependencies to all Kconfig* files, make sure to run
# oldconfig if changes are detected.
-include include/config/auto.conf.cmd
--include include/config/auto.conf
# To avoid any implicit rule to kick in, define an empty command
$(KCONFIG_CONFIG) include/config/auto.conf.cmd: ;
@@ -451,16 +452,27 @@ $(KCONFIG_CONFIG) include/config/auto.conf.cmd: ;
# if auto.conf.cmd is missing then we are probably in a cleaned tree so
# we execute the config step to be sure to catch updated Kconfig files
include/config/auto.conf: $(KCONFIG_CONFIG) include/config/auto.conf.cmd
-ifeq ($(KBUILD_EXTMOD),)
$(Q)$(MAKE) -f $(srctree)/Makefile silentoldconfig
else
- $(error kernel configuration not valid - run 'make prepare' in $(srctree) to update it)
-endif
+# external modules needs include/linux/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:
+ $(Q)test -e include/linux/autoconf.h -a -e $@ || ( \
+ echo; \
+ echo " ERROR: Kernel configuration is invalid."; \
+ echo " include/linux/autoconf.h or $@ are missing."; \
+ echo " Run 'make oldconfig && make prepare' on kernel src to fix it."; \
+ echo; \
+ /bin/false)
+
+endif # KBUILD_EXTMOD
else
# Dummy target needed, because used as prerequisite
include/config/auto.conf: ;
-endif
+endif # $(dot-config)
# The all: target is the default when no target is given on the
# command line.