On Wed, 02/15 10:40, Lin Ma wrote:
> By commit 67a1de0d, When we perform 'git pull && make && sudo make install',
> In 'make' stage a qemu-version.h.tmp will be generated. If the content of
> qemu-version.h.tmp and qemu-version.h aren't consistent, The qemu-version.h.tmp
> will be renamed to qemu-version.h. Because of the target FORCE, The same action
> will be do again in 'make install' stage.
>
> In 'make install' stage, If there is no qemu-version.h.tmp exists and we run
> 'make install' with sudo, The owner and group of new qemu-version.h.tmp will be
> privileged user/group. When we run 'make' next time, qemu-version.h.tmp can't
> be overwritten because of permission issue.
>
> This patch removed qemu-version.h.tmp after build to fix this issue.
>
> Signed-off-by: Lin Ma <lma@suse.com>
> ---
> Makefile | 6 +++++-
> 1 file changed, 5 insertions(+), 1 deletion(-)
>
> diff --git a/Makefile b/Makefile
> index b993741..830fa5a 100644
> --- a/Makefile
> +++ b/Makefile
> @@ -299,7 +299,11 @@ qemu-version.h: FORCE
> printf '""\n'; \
> fi; \
> fi) > $@.tmp)
> - $(call quiet-command, cmp -s $@ $@.tmp || mv $@.tmp $@)
> + $(call quiet-command, if ! cmp -s $@ $@.tmp; then \
> + mv $@.tmp $@; \
> + else \
> + rm $@.tmp; \
> + fi)
>
> config-host.h: config-host.h-timestamp
> config-host.h-timestamp: config-host.mak
> --
> 2.9.2
>
Reviewed-by: Fam Zheng <famz@redhat.com>