Re: [PATCH] cmake: determine list of extra built-ins dynamically

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Hi Junio,

On Fri, 4 Dec 2020, Junio C Hamano wrote:

> "Johannes Schindelin via GitGitGadget" <gitgitgadget@xxxxxxxxx>
> writes:
>
> > From: Johannes Schindelin <johannes.schindelin@xxxxxx>
> >
> > In 0a21d0e08902 (Makefile: mark git-maintenance as a builtin,
> > 2020-12-01), we marked git-maintenance as a builtin in the Makefile, but
> > forgot to do the same in `CMakeLists.txt`.
> >
> > Rather than always play catch-up and adjust `git_builtin_extra`
> > manually, use the `BUILT_INS` definitions in the Makefile as
> > authoritative source and generate `git_builtin_extra` dynamically.
> >
> > Signed-off-by: Johannes Schindelin <johannes.schindelin@xxxxxx>
> > ---
> >     ci: fix the vs-build job after adding git maintenance
> >
> >     Together with https://github.com/gitgitgadget/git/pull/805, this should
> >     fix the vs-build job in the CI build of seen.
>
> I suspect that the breakage 805 addresses affects even 'master'; is
> the breakage this patch fixes limited to 'seen', or affect everybody?

I haven't checked `master` yet, but `next` definitely was affected. I
_think_ the problem was introduced when Peff's patch added the
`git-maintenance` tool to the `BUILT_INS` list in the `Makefile` (and
hence we try to `tar` it up with all the other build artifacts in the
`vs-build` job) but wasn't added to `CMakeLists.txt` (and therefore
`vs-build` would not generate that hard-link).

Ciao,
Dscho

>
> > Published-As: https://github.com/gitgitgadget/git/releases/tag/pr-807%2Fdscho%2Fcmake-and-extra-builtins-v1
> > Fetch-It-Via: git fetch https://github.com/gitgitgadget/git pr-807/dscho/cmake-and-extra-builtins-v1
> > Pull-Request: https://github.com/gitgitgadget/git/pull/807
> >
> >  contrib/buildsystems/CMakeLists.txt | 15 +++++++++++----
> >  1 file changed, 11 insertions(+), 4 deletions(-)
> >
> > diff --git a/contrib/buildsystems/CMakeLists.txt b/contrib/buildsystems/CMakeLists.txt
> > index df539a44fa..c151dd7257 100644
> > --- a/contrib/buildsystems/CMakeLists.txt
> > +++ b/contrib/buildsystems/CMakeLists.txt
> > @@ -114,6 +114,16 @@ macro(parse_makefile_for_scripts list_var regex lang)
> >  	endif()
> >  endmacro()
> >
> > +macro(parse_makefile_for_executables list_var regex)
> > +	file(STRINGS ${CMAKE_SOURCE_DIR}/Makefile ${list_var} REGEX "^${regex} \\+= git-(.*)")
> > +	string(REPLACE "${regex} +=" "" ${list_var} ${${list_var}})
> > +	string(STRIP ${${list_var}} ${list_var}) #remove trailing/leading whitespaces
> > +	string(REPLACE "git-" "" ${list_var} ${${list_var}}) #strip `git-` prefix
> > +	string(REPLACE "\$X" ";" ${list_var} ${${list_var}}) #strip $X, ; is for converting the string into a list
> > +	list(TRANSFORM ${list_var} STRIP) #remove trailing/leading whitespaces for each element in list
> > +	list(REMOVE_ITEM ${list_var} "") #remove empty list elements
> > +endmacro()
> > +
> >  include(CheckTypeSize)
> >  include(CheckCSourceRuns)
> >  include(CheckCSourceCompiles)
> > @@ -673,10 +683,7 @@ if(CURL_FOUND)
> >  	endif()
> >  endif()
> >
> > -set(git_builtin_extra
> > -	cherry cherry-pick format-patch fsck-objects
> > -	init merge-subtree restore show
> > -	stage status switch whatchanged)
> > +parse_makefile_for_executables(git_builtin_extra "BUILT_INS")
> >
> >  #Creating hardlinks
> >  foreach(s ${git_SOURCES} ${git_builtin_extra})
> >
> > base-commit: 898f80736c75878acc02dc55672317fcc0e0a5a6
>




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