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bug#34819: 26.1; Blank help-echo tooltips for mode line menus
From: |
Eli Zaretskii |
Subject: |
bug#34819: 26.1; Blank help-echo tooltips for mode line menus |
Date: |
Wed, 13 Mar 2019 12:31:00 +0200 |
User-agent: |
K-9 Mail for Android |
On March 13, 2019 8:37:19 AM GMT+02:00, Phil Sainty <psainty@orcon.net.nz>
wrote:
> On 2019-03-13 10:06, Glenn Morris wrote:
> > Bisected to c29071587c64efb30792bd72248d3c791abd9337.
>
> I can confirm that for the current master, if I comment out parts
> of configure.ac as below before building, the problem goes away.
>
>
> ### Use Xdbe (-lXdbe) if available
> HAVE_XDBE=no
> ### if test "${HAVE_X11}" = "yes"; then
> ### AC_CHECK_HEADER(X11/extensions/Xdbe.h,
> ### [AC_CHECK_LIB(Xext, XdbeAllocateBackBufferName,
> HAVE_XDBE=yes)],
> ### [],
> ### [#include <X11/Xlib.h>
> ### ])
> ### if test $HAVE_XDBE = yes; then
> ### XDBE_LIBS=-lXext
> ### fi
> ### if test $HAVE_XDBE = yes; then
> ### AC_DEFINE(HAVE_XDBE, 1, [Define to 1 if you have the Xdbe
> extension.])
> ### fi
> ### fi
> AC_SUBST(XDBE_CFLAGS)
> AC_SUBST(XDBE_LIBS)
Which probably means the root cause is not double buffering itself, but some
other change included in that commit. I wonder if you can audit the changes
and try to identify potential culprits.
Thanks.