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| author | leo <gnu_lists@halloleo.hailmail.net> | 2020-08-26 15:03:08 +0200 |
|---|---|---|
| committer | Lars Ingebrigtsen <larsi@gnus.org> | 2020-08-26 15:03:08 +0200 |
| commit | 3345dc8e15bbbb96fa07b402106a7ca1f4da9559 (patch) | |
| tree | b63d84ce8204e863289e7cb0ac8ecffc69e60471 /configure.ac | |
| parent | fca0d6e875e7eb3ab3ca117e7552315e1a56b282 (diff) | |
| download | emacs-3345dc8e15bbbb96fa07b402106a7ca1f4da9559.tar.gz | |
Allow disabling double buffering at build time
* configure.ac: Allow disabling double buffering (bug#32032).
Copyright-paperwork-exempt: yes
Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/configure.ac b/configure.ac index fb9aa19d6ee..9a51ea1f7ed 100644 --- a/configure.ac +++ b/configure.ac @@ -463,6 +463,7 @@ OPTION_DEFAULT_ON([m17n-flt],[don't use m17n-flt for text shaping]) OPTION_DEFAULT_ON([toolkit-scroll-bars],[don't use Motif/Xaw3d/GTK toolkit scroll bars]) OPTION_DEFAULT_ON([xaw3d],[don't use Xaw3d]) OPTION_DEFAULT_ON([xim],[at runtime, default X11 XIM to off]) +OPTION_DEFAULT_ON([xdbe],[don't use X11 double buffering support]) AC_ARG_WITH([ns],[AS_HELP_STRING([--with-ns], [use Nextstep (macOS Cocoa or GNUstep) windowing system. On by default on macOS.])],[],[with_ns=maybe]) @@ -4023,11 +4024,13 @@ AC_SUBST(XFIXES_LIBS) ### Use Xdbe (-lXdbe) if available HAVE_XDBE=no if test "${HAVE_X11}" = "yes"; then - AC_CHECK_HEADER(X11/extensions/Xdbe.h, - [AC_CHECK_LIB(Xext, XdbeAllocateBackBufferName, HAVE_XDBE=yes)], - [], - [#include <X11/Xlib.h> - ]) + if test "${with_xdbe}" != "no"; then + AC_CHECK_HEADER(X11/extensions/Xdbe.h, + [AC_CHECK_LIB(Xext, XdbeAllocateBackBufferName, HAVE_XDBE=yes)], + [], + [#include <X11/Xlib.h> + ]) + fi if test $HAVE_XDBE = yes; then XDBE_LIBS=-lXext fi |