On 17 June 2015 at 15:34, <riku.voipio@xxxxxxxxxx> wrote:
> From: Riku Voipio <riku.voipio@xxxxxxxxxx>
>
> When building with $srctree != $objtree, perf-tar-* targets fail
> to read the MANIFEST file and add the PERF-VERSION-FILE needed
> by out-of-tree builds. The build errors and an incorrect tar is created:
>
> $ make O=build-x86 perf-targz-src-pkg
> TAR
> cat: ../tools/perf/MANIFEST: No such file or directory
> tar: perf-4.1.0-rc8/PERF-VERSION-FILE: Cannot stat: No such file or dir..
> tar: Exiting with failure status due to previous errors
>
> Kbuild sets objtree to "." and srctree to ".." The command to output
> MANIFEST becomes:
>
> $(cd ..; echo $(cat ../tools/perf/MANIFEST))
>
> Without MANIFEST, the entire kernel source tree is added to the perf
> source tarball. The easy fix is removing the unneccesary cd $objtree bit.
Easy but wrong. MANIFEST has wildcards that fail to expand if current directory
isn't srctree. Updated patch coming.
> Second, PERF-VERSION-FILE gets not added, because in-tree build path is
> hardcoded to Makefile:
>
> util/PERF-VERSION-GEN ../../$(perf-tar)/ 2>/dev/null)
>
> The PERF-VERSION-GEN needs to be run from tools/perf directory, so
> we can't just replace the hardcoded "../../" bit the relative $objtree
> contents - we need a fully expanded $objtree_full variable to place
> PERF-VERSION-FILE to the right place. Also remove the error redirect
> to /dev/null which hid the error.
>
> Signed-off-by: Riku Voipio <riku.voipio@xxxxxxxxxx>
> ---
> scripts/package/Makefile | 10 +++++++---
> 1 file changed, 7 insertions(+), 3 deletions(-)
>
> diff --git a/scripts/package/Makefile b/scripts/package/Makefile
> index 99ca6e7..98f934c 100644
> --- a/scripts/package/Makefile
> +++ b/scripts/package/Makefile
> @@ -33,6 +33,11 @@ TAR_CONTENT := $(KBUILD_ALLDIRS) kernel.spec .config .scmversion Makefile \
> TAR_CONTENT := $(addprefix $(KERNELPATH)/,$(TAR_CONTENT))
> MKSPEC := $(srctree)/scripts/package/mkspec
>
> +# objtree is relative path, which doesn't work if we cd around
> +ifneq ($(objtree),)
> + objtree_full := $(shell readlink -f $(objtree) || echo $(objtree))
> +endif
> +
> # rpm-pkg
> # ---------------------------------------------------------------------------
> rpm-pkg rpm: FORCE
> @@ -110,13 +115,12 @@ perf-tar=perf-$(KERNELVERSION)
> quiet_cmd_perf_tar = TAR
> cmd_perf_tar = \
> git --git-dir=$(srctree)/.git archive --prefix=$(perf-tar)/ \
> - HEAD^{tree} $$(cd $(srctree); \
> - echo $$(cat $(srctree)/tools/perf/MANIFEST)) \
> + HEAD^{tree} $$(echo $$(cat $(srctree)/tools/perf/MANIFEST)) \
> -o $(perf-tar).tar; \
> mkdir -p $(perf-tar); \
> git --git-dir=$(srctree)/.git rev-parse HEAD > $(perf-tar)/HEAD; \
> (cd $(srctree)/tools/perf; \
> -util/PERF-VERSION-GEN ../../$(perf-tar)/ 2>/dev/null); \
> +util/PERF-VERSION-GEN $(objtree_full)/$(perf-tar)/); \
> tar rf $(perf-tar).tar $(perf-tar)/HEAD $(perf-tar)/PERF-VERSION-FILE; \
> rm -r $(perf-tar); \
> $(if $(findstring tar-src,$@),, \
> --
> 2.1.4
>
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