bug#61988: error compiling emacs

[Po Lu]

Ugo Tomei <utomei@tiscali.it> writes:

> YES!! works perfectly!
>
> lrwxrwxrwx 1 root root 13 mar  6 10:38 /usr/local/bin/emacs -> emacs-30.0.50
>
> Best regards
>
>
> Il 06/03/23 01:20, Po Lu ha scritto:
>> Ugo Tomei <utomei@tiscali.it> writes:
>>
>>> Hi guys,
>>>
>>> i have a problem during compiling emacs, when i launch "make":
>>>
>>> make[3]: uscita dalla directory «/app/emacs/doc/lispref»
>>>    CC       lcms.o
>>>    CC       inotify.o
>>>    CC       profiler.o
>>>    CC       decompress.o
>>>    CC       thread.o
>>>    CC       systhread.o
>>>    CC       sqlite.o
>>>    CC       treesit.o
>>>    CC       itree.o
>>>    CC       xfont.o
>>>    CC       ftfont.o
>>>    CC       ftcrfont.o
>>>    CC       hbfont.o
>>>    CC       fontset.o
>>>    CC       fringe.o
>>>    CC       image.o
>>>    CC       textconv.o
>>>    CC       xgselect.o
>>>    CC       json.o
>>>    CC       terminfo.o
>>>    CC       lastfile.o
>>>    CCLD     temacs
>>>    GEN      ../etc/DOC
>>> /usr/bin/ld: image.o: undefined reference to symbol 'WebPGetInfo'
>>> /usr/bin/ld: /lib/x86_64-linux-gnu/libwebp.so.7: error adding symbols:
>>> DSO missing from command line
>>> collect2: error: ld returned 1 exit status
>>> make[3]: *** [Makefile:705: temacs] Errore 1
>>> make[3]: uscita dalla directory «/app/emacs/src»
>>> make[2]: *** [Makefile:544: src] Errore 2
>>> make[2]: uscita dalla directory «/app/emacs»
>>> make[1]: *** [Makefile:1260: actual-bootstrap] Errore 2
>>> make[1]: uscita dalla directory «/app/emacs»
>>> make[1]: ingresso nella directory «/app/emacs»
>>> ***
>>> *** "make bootstrap" failed with exit status 2.
>>> ***
>>> *** You could try to:
>>> *** - run "make extraclean" and run "make" again (or, equivalently, run
>>> ***   "make bootstrap configure=default"), to rebuild Emacs with the
>>> ***   default configuration options, which might fix the problem
>>> *** - run "git clean -fdx" and run "make bootstrap" again, which might
>>> ***   fix the problem if "make bootstrap configure=default" did not
>>> ***   !BEWARE! "git clean -fdx" deletes all files that are not under
>>> ***   !BEWARE! version control, which means that all changes to such
>>> ***   !BEWARE! files will be lost and cannot be restored later
>>> *** - run "make V=1", which displays the full commands invoked by make,
>>> ***   to further investigate the problem
>>> *** - report the problem and ask for help by sending an email to
>>> ***   bug-gnu-emacs@gnu.org, mentioning at least the build error
>>> ***   message, the platform, and the repository revision displayed by
>>> ***   "git rev-parse HEAD"
>>> ***
>>> make[1]: *** [Makefile:414: advice-on-failure] Errore 2
>>> make[1]: uscita dalla directory «/app/emacs»
>>> make: *** [Makefile:1243: bootstrap] Errore 2
>>>
>>> Can you help me?
>>>
>>> i have reinstalled this package but i have always same error:
>>> libwebp7:amd64 libwebp7:i386
>>>
>>> Best regards
>> What happens if you apply this patch to configure.ac and reconfigure
>> Emacs?
>>
>> diff --git a/configure.ac b/configure.ac
>> index b484ebdc8ba..f2083a53c17 100644
>> --- a/configure.ac
>> +++ b/configure.ac
>> @@ -2773,7 +2773,7 @@ AC_DEFUN
>>      || test "${HAVE_W32}" = "yes" || test "${HAVE_NS}" = "yes" \
>>      || test "${HAVE_BE_APP}" = "yes" || test "${HAVE_PGTK}" = "yes"; then
>>         WEBP_REQUIRED=0.6.0
>> -      WEBP_MODULE="libwebpdemux >= $WEBP_REQUIRED"
>> +      WEBP_MODULE="libwebpdemux >= $WEBP_REQUIRED libwebpdecoder >= 
>> $WEBP_REQUIRED"
>>           EMACS_CHECK_MODULES([WEBP], [$WEBP_MODULE])
>>         AC_SUBST([WEBP_CFLAGS])
>>
>> Everyone else, make sure to link to *EVERYTHING* that you depend on, not
>> just one library that happens to link to everything you depend on.
>> Thanks.

Thanks.  Eli, is this safe for Emacs 29?