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Subject[PATCH 09/10] kbuild: move autoconf.h to include/generated
Date
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Cc: Al Viro <viro@zeniv.linux.org.uk>
---
.gitignore | 1 -
Documentation/kbuild/kconfig.txt | 3 ++-
Makefile | 11 ++++++-----
arch/m68k/kernel/head.S | 2 +-
scripts/basic/fixdep.c | 10 +++++-----
scripts/kconfig/confdata.c | 2 +-
scripts/mkcompile_h | 2 +-
7 files changed, 16 insertions(+), 15 deletions(-)
diff --git a/.gitignore b/.gitignore
index 0f594d9..91f8e0c 100644
--- a/.gitignore
+++ b/.gitignore
@@ -45,7 +45,6 @@ Module.symvers
# Generated include files
#
include/config
-include/linux/autoconf.h
include/linux/version.h
include/linux/utsrelease.h
include/generated
diff --git a/Documentation/kbuild/kconfig.txt b/Documentation/kbuild/kconfig.txt
index 849b5e5..ab8dc35 100644
--- a/Documentation/kbuild/kconfig.txt
+++ b/Documentation/kbuild/kconfig.txt
@@ -106,7 +106,8 @@ This environment variable can be set to specify the path & name of the
KCONFIG_AUTOHEADER
--------------------------------------------------
This environment variable can be set to specify the path & name of the
-"autoconf.h" (header) file. Its default value is "include/linux/autoconf.h".
+"autoconf.h" (header) file.
+Its default value is "include/generated/autoconf.h".


======================================================================
diff --git a/Makefile b/Makefile
index 100dfd1..044a3f4 100644
--- a/Makefile
+++ b/Makefile
@@ -336,7 +336,7 @@ CFLAGS_GCOV = -fprofile-arcs -ftest-coverage
LINUXINCLUDE := -Iinclude \
$(if $(KBUILD_SRC), -I$(srctree)/include) \
-I$(srctree)/arch/$(hdr-arch)/include \
- -include include/linux/autoconf.h
+ -include include/generated/autoconf.h

KBUILD_CPPFLAGS := -D__KERNEL__

@@ -490,17 +490,18 @@ $(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
+ $(Q)mkdir -p include/generated
$(Q)$(MAKE) -f $(srctree)/Makefile silentoldconfig
else
-# external modules needs include/linux/autoconf.h and include/config/auto.conf
+# 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
PHONY += include/config/auto.conf

include/config/auto.conf:
- $(Q)test -e include/linux/autoconf.h -a -e $@ || ( \
+ $(Q)test -e include/generated/autoconf.h -a -e $@ || ( \
echo; \
echo " ERROR: Kernel configuration is invalid."; \
- echo " include/linux/autoconf.h or $@ are missing."; \
+ echo " include/generated/autoconf.h or $@ are missing.";\
echo " Run 'make oldconfig && make prepare' on kernel src to fix it."; \
echo; \
/bin/false)
@@ -1154,7 +1155,7 @@ CLEAN_FILES += vmlinux System.map \
# Directories & files removed with 'make mrproper'
MRPROPER_DIRS += include/config usr/include include/generated
MRPROPER_FILES += .config .config.old .version .old_version \
- include/linux/autoconf.h include/linux/version.h \
+ include/linux/version.h \
include/linux/utsrelease.h \
Module.symvers Module.markers tags TAGS cscope*

diff --git a/arch/m68k/kernel/head.S b/arch/m68k/kernel/head.S
index 86edb5f..ef54128 100644
--- a/arch/m68k/kernel/head.S
+++ b/arch/m68k/kernel/head.S
@@ -196,7 +196,7 @@
* for them and trying to understand what they mean.
*
* CONFIG_xxx: These are the obvious machine configuration defines created
- * during configuration. These are defined in include/linux/autoconf.h.
+ * during configuration. These are defined in autoconf.h.
*
* CONSOLE: There is support for head.S console in this file. This
* console can talk to a Mac frame buffer, but could easily be extrapolated
diff --git a/scripts/basic/fixdep.c b/scripts/basic/fixdep.c
index 72c1520..0aaa208 100644
--- a/scripts/basic/fixdep.c
+++ b/scripts/basic/fixdep.c
@@ -17,15 +17,15 @@
*
* To use this list as-is however has the drawback that virtually
* every file in the kernel includes <linux/config.h> which then again
- * includes <linux/autoconf.h>
+ * includes autoconf.h
*
- * If the user re-runs make *config, linux/autoconf.h will be
+ * If the user re-runs make *config, autoconf.h will be
* regenerated. make notices that and will rebuild every file which
* includes autoconf.h, i.e. basically all files. This is extremely
* annoying if the user just changed CONFIG_HIS_DRIVER from n to m.
*
* So we play the same trick that "mkdep" played before. We replace
- * the dependency on linux/autoconf.h by a dependency on every config
+ * the dependency on autoconf.h by a dependency on every config
* option which is mentioned in any of the listed prequisites.
*
* kconfig populates a tree in include/config/ with an empty file
@@ -74,7 +74,7 @@
* cmd_<target> = <cmdline>
*
* and then basically copies the .<target>.d file to stdout, in the
- * process filtering out the dependency on linux/autoconf.h and adding
+ * process filtering out the dependency on autoconf.h and adding
* dependencies on include/config/my/option.h for every
* CONFIG_MY_OPTION encountered in any of the prequisites.
*
@@ -326,7 +326,7 @@ void parse_dep_file(void *map, size_t len)
p++;
}
memcpy(s, m, p-m); s[p-m] = 0;
- if (strrcmp(s, "include/linux/autoconf.h") &&
+ if (strrcmp(s, "include/generated/autoconf.h") &&
strrcmp(s, "arch/um/include/uml-config.h") &&
strrcmp(s, ".ver")) {
printf(" %s \\\n", s);
diff --git a/scripts/kconfig/confdata.c b/scripts/kconfig/confdata.c
index a04da34..600fc72 100644
--- a/scripts/kconfig/confdata.c
+++ b/scripts/kconfig/confdata.c
@@ -776,7 +776,7 @@ int conf_write_autoconf(void)

name = getenv("KCONFIG_AUTOHEADER");
if (!name)
- name = "include/linux/autoconf.h";
+ name = "include/generated/autoconf.h";
if (rename(".tmpconfig.h", name))
return 1;
name = conf_get_autoconfig_name();
diff --git a/scripts/mkcompile_h b/scripts/mkcompile_h
index 6a12dd9..b48d04d 100755
--- a/scripts/mkcompile_h
+++ b/scripts/mkcompile_h
@@ -12,7 +12,7 @@ vecho() { [ "${quiet}" = "silent_" ] || echo "$@" ; }
# So "sudo make install" won't change the "compiled by <user>"
# do "compiled by root"

-if [ -r $TARGET -a ! -O include/linux/autoconf.h ]; then
+if [ -r $TARGET -a ! -O include/generated/autoconf.h ]; then
vecho " SKIPPED $TARGET"
exit 0
fi
--
1.6.2.5


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