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Masahiro Yamada 2aedcd098a kbuild: suppress annoying "... is up to date." message 
Under certain conditions, Kbuild shows "... is up to date" where
if_changed or friends are used.

For example, the incremental build of ARM64 Linux shows this message
when the kernel image has not been updated.

  $ make ARCH=arm64 CROSS_COMPILE=aarch64-linux-gnu-
    CHK     include/config/kernel.release
    CHK     include/generated/uapi/linux/version.h
    CHK     include/generated/utsrelease.h
    CHK     include/generated/bounds.h
    CHK     include/generated/timeconst.h
    CHK     include/generated/asm-offsets.h
    CALL    scripts/checksyscalls.sh
    CHK     include/generated/compile.h
    CHK     kernel/config_data.h
  make[1]: `arch/arm64/boot/Image.gz' is up to date.
    Building modules, stage 2.
    MODPOST 0 modules

The following is the build rule in arch/arm64/boot/Makefile:

  $(obj)/Image.gz: $(obj)/Image FORCE
          $(call if_changed,gzip)

If the Image.gz is newer than the Image and the command line has not
changed (i.e., $(any-prereq) and $(arg-check) are both empty), the
build rule $(call if_changed,gzip) is evaluated to be empty, then
GNU Make reports the target is up to date.  In order to make GNU Make
quiet, we need to give it something to do, for example, "@:".  This
should be fixed in the Kbuild core part rather than in each Makefile.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Michal Marek <mmarek@suse.com>
2016-03-04 23:19:19 +01:00
..
basic kbuild: fixdep: Check fstat(2) return value 2016-02-17 22:52:04 +01:00
coccinelle coccinelle: tests: unsigned value cannot be lesser than zero 2016-01-12 17:47:47 +01:00
dtc scripts/dtc: Update to upstream version 9d3649bd3be245c9 2015-04-29 17:17:27 -05:00
gdb scripts/gdb: remove useless global instruction 2015-06-30 19:44:58 -07:00
genksyms genksyms: Handle string literals with spaces in reference files 2015-12-09 15:19:23 +01:00
kconfig kconfig: fix qconf segfault by deleting heap objects 2016-01-11 09:45:08 +01:00
ksymoops
mod modpost: don't add a trailing wildcard for OF module aliases 2016-01-14 16:00:49 -08:00
package package Makefile: fix perf-tar targets when outdir is set 2015-11-24 17:49:42 +01:00
selinux selinux: explicitly declare the role "base_r" 2015-07-13 13:32:00 -04:00
tracing kbuild: Make scripts executable 2014-08-20 16:03:45 +02:00
.gitignore DocBook: Use a fixed encoding for output 2015-09-28 01:31:48 -06:00
analyze_suspend.py PM / tools: analyze_suspend.py: update to v3.0 2014-08-09 02:47:58 +02:00
asn1_compiler.c ASN.1: Copy string names to tokens in ASN.1 compiler 2015-08-07 16:26:13 +01:00
bloat-o-meter scripts/bloat-o-meter: fix python3 syntax error 2016-01-14 16:00:49 -08:00
bootgraph.pl kbuild: Make scripts executable 2014-08-20 16:03:45 +02:00
check-lc_ctype.c DocBook: Use a fixed encoding for output 2015-09-28 01:31:48 -06:00
check_extable.sh scripts: add check_extable.sh script. 2015-04-13 21:03:02 +09:30
checkincludes.pl
checkkconfigsymbols.py checkkconfigsymbols.py: find similar symbols 2015-12-14 10:54:23 -08:00
checkpatch.pl checkpatch: fix a number of COMPLEX_MACRO false positives 2016-01-20 17:09:18 -08:00
checkstack.pl Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial 2014-10-07 21:16:26 -04:00
checksyscalls.sh x86/asm/entry: Move the arch/x86/syscalls/ definitions to arch/x86/entry/syscalls/ 2015-06-04 07:37:37 +02:00
checkversion.pl
cleanfile
cleanpatch
coccicheck Coccinelle: fix incorrect -include option transformation 2015-10-26 21:32:09 +01:00
config kbuild: trivial - remove trailing empty lines 2014-06-10 00:04:06 +02:00
conmakehash.c
decode_stacktrace.sh scripts: decode_stacktrace: fix ARM architecture decoding 2015-09-04 16:54:41 -07:00
decodecode
depmod.sh
diffconfig vfs,ext2: remove CONFIG_EXT2_FS_XIP and rename CONFIG_FS_XIP to CONFIG_FS_DAX 2015-02-16 17:56:04 -08:00
docproc.c kbuild: trivial - use tabs for code indent where possible 2014-06-10 14:00:53 +02:00
export_report.pl kbuild: Make scripts executable 2014-08-20 16:03:45 +02:00
extract-cert.c KEYS: Remove unnecessary header #inclusions from extract-cert.c 2015-09-25 16:31:45 +01:00
extract-ikconfig scripts/extract-ikconfig: Support LZ4-compressed images. 2015-04-15 14:01:12 +02:00
extract-module-sig.pl KEYS: Provide a script to extract a module signature 2015-10-21 15:18:36 +01:00
extract-sys-certs.pl KEYS: Provide a script to extract the sys cert list from a vmlinux file 2015-10-21 15:18:36 +01:00
extract-vmlinux
gcc-goto.sh kbuild: Make scripts executable 2014-08-20 16:03:45 +02:00
gcc-ld kbuild: Make scripts executable 2014-08-20 16:03:45 +02:00
gcc-version.sh kbuild: Make scripts executable 2014-08-20 16:03:45 +02:00
gcc-x86_32-has-stack-protector.sh kbuild: Make scripts executable 2014-08-20 16:03:45 +02:00
gcc-x86_64-has-stack-protector.sh kbuild: Make scripts executable 2014-08-20 16:03:45 +02:00
gen_initramfs_list.sh kbuild: Make scripts executable 2014-08-20 16:03:45 +02:00
get_maintainer.pl scripts/get_maintainer.pl: handle file names beginning with ./ 2016-01-20 17:09:18 -08:00
gfp-translate
headerdep.pl
headers.sh CRIS: Fix headers_install 2014-12-20 00:01:12 +01:00
headers_check.pl kbuild: Make scripts executable 2014-08-20 16:03:45 +02:00
headers_install.sh Merge branch 'kbuild' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild 2014-10-14 09:22:26 +02:00
kallsyms.c Kbuild: kallsyms: drop special handling of pre-3.0 GCC symbols 2015-04-07 13:04:51 +02:00
Kbuild.include kbuild: suppress annoying "... is up to date." message 2016-03-04 23:19:19 +01:00
kernel-doc A relatively boring cycle in the docs tree. There's a few kernel-doc 2016-01-17 11:55:07 -08:00
kernel-doc-xml-ref scripts/kernel-doc: Adding cross-reference links to html documentation. 2015-08-16 22:11:16 -06:00
ld-version.sh ld-version: Fix it on Fedora 2016-01-08 16:34:27 +01:00
Lindent scripts/Lindent: handle missing indent gracefully 2015-09-04 16:54:41 -07:00
link-vmlinux.sh scripts/link-vmlinux.sh: force error on kallsyms failure 2016-02-08 20:45:09 +01:00
Makefile DocBook: Use a fixed encoding for output 2015-09-28 01:31:48 -06:00
Makefile.asm-generic kbuild: trivial - remove trailing empty lines 2014-06-10 00:04:06 +02:00
Makefile.build kbuild: Allow to specify composite modules with modname-m 2015-11-25 11:23:25 +01:00
Makefile.clean Merge branch 'kbuild' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild 2015-02-19 10:07:08 -08:00
Makefile.dtbinst dtbsinstall: don't move target directory out of the way 2016-01-28 11:40:32 +01:00
Makefile.extrawarn kbuild: Demote 'sign-compare' warning to W=2 2016-01-12 16:07:03 +01:00
Makefile.fwinst kbuild: include $(src)/Makefile rather than $(obj)/Makefile 2015-04-02 16:42:08 +02:00
Makefile.headersinst kbuild: collect shorthands into scripts/Kbuild.include 2014-11-26 14:36:52 +01:00
Makefile.help
Makefile.host kbuild: handle the dependency of multi-objs hostprogs appropriately 2014-08-19 10:26:20 +02:00
Makefile.kasan arm64: add KASAN support 2015-10-12 17:46:36 +01:00
Makefile.lib UBSAN: run-time undefined behavior sanity checker 2016-01-20 17:09:18 -08:00
Makefile.modbuiltin
Makefile.modinst modsign: Abort modules_install when signing fails 2015-08-07 16:26:13 +01:00
Makefile.modpost modpost: Add flag -E for making section mismatches fatal 2015-10-06 10:46:21 +10:30
Makefile.modsign modsign: lookup lines ending in .ko in .mod files 2014-08-27 21:54:11 +09:30
Makefile.ubsan UBSAN: run-time undefined behavior sanity checker 2016-01-20 17:09:18 -08:00
makelst
markup_oops.pl kbuild: Make scripts executable 2014-08-20 16:03:45 +02:00
mkcompile_h
mkmakefile kbuild: Make scripts executable 2014-08-20 16:03:45 +02:00
mksysmap mksysmap: Add h8300 local symbol pattern 2015-06-23 13:35:47 +09:00
mkuboot.sh
mkversion
module-common.lds kernel: add support for .init_array.* constructors 2015-02-13 21:21:42 -08:00
namespace.pl
objdiff scripts: objdiff: support directories for the augument of record command 2014-06-10 14:59:33 +02:00
patch-kernel
pnmtologo.c kbuild: trivial - remove trailing empty lines 2014-06-10 00:04:06 +02:00
profile2linkerlist.pl kbuild: Make scripts executable 2014-08-20 16:03:45 +02:00
recordmcount.c ftrace/scripts: Fix incorrect use of sprintf in recordmcount 2016-01-04 11:13:16 -05:00
recordmcount.h recordmcount: Fix endianness handling bug for nop_mcount 2015-11-03 10:45:26 -05:00
recordmcount.pl scripts/recordmcount.pl: support data in text section on powerpc 2016-01-13 12:35:41 +11:00
setlocalversion
show_delta kbuild: trivial - remove trailing empty lines 2014-06-10 00:04:06 +02:00
sign-file.c MODSIGN: Change from CMS to PKCS#7 signing if the openssl is too old 2015-09-25 16:31:46 +01:00
sortextable.c ARCv2: extable: Enable sorting at build time 2015-06-22 14:06:56 +05:30
sortextable.h scripts/sortextable: suppress warning: `relocs_size' may be used uninitialized 2014-10-14 02:18:23 +02:00
spelling.txt scripts/spelling.txt: add some typo-words 2015-09-04 16:54:41 -07:00
stackdelta scripts: add stackdelta script 2015-08-28 17:04:40 +02:00
stackusage scripts: add stackusage script 2015-08-28 17:04:40 +02:00
tags.sh Merge branch 'misc' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild 2016-01-20 10:10:23 -08:00
unifdef.c
ver_linux ver_linux: proc/modules, limit text processing to 'sed' 2015-10-17 21:55:26 -07:00
xen-hypercalls.sh xen: build infrastructure for generating hypercall depending symbols 2015-03-16 14:49:13 +00:00
xz_wrap.sh kbuild: Make scripts executable 2014-08-20 16:03:45 +02:00