Build DOUBLE-BUFFER extension.

Signed-off-by: Mike Sharov <msharov@users.sourceforge.net>

Makefile.am

@@ -12,6 +12,9 @@ endif
 if BUILD_DAMAGE
 pkgconfig_DATA += xcb-damage.pc
 endif
+if BUILD_DBE
+pkgconfig_DATA += xcb-dbe.pc
+endif
 if BUILD_DPMS
 pkgconfig_DATA += xcb-dpms.pc
 endif

configure.ac

@@ -221,6 +221,7 @@ esac
 
 XCB_EXTENSION(Composite, yes)
 XCB_EXTENSION(Damage, yes)
+XCB_EXTENSION(Dbe, yes)
 XCB_EXTENSION(DPMS, yes)
 XCB_EXTENSION(DRI2, yes)
 XCB_EXTENSION(DRI3, $have_sendmsg)
@@ -273,6 +274,7 @@ AC_CONFIG_FILES([
 xcb.pc
 xcb-composite.pc
 xcb-damage.pc
+xcb-dbe.pc
 xcb-dpms.pc
 xcb-dri2.pc
 xcb-dri3.pc
@@ -321,6 +323,7 @@ echo ""
 echo "  X11 extensions"
 echo "    Composite...........: ${BUILD_COMPOSITE}"
 echo "    Damage..............: ${BUILD_DAMAGE}"
+echo "    Dbe.................: ${BUILD_DBE}"
 echo "    Dpms................: ${BUILD_DPMS}"
 echo "    Dri2................: ${BUILD_DRI2}"
 echo "    Dri3................: ${BUILD_DRI3}"

src/.gitignore

@@ -1,6 +1,7 @@
 bigreq.*
 composite.*
 damage.*
+dbe.*
 dpms.*
 dri2.*
 dri3.*

src/Makefile.am

@@ -40,6 +40,14 @@ libxcb_damage_la_LIBADD = $(XCB_LIBS)
 nodist_libxcb_damage_la_SOURCES = damage.c damage.h
 endif
 
+EXTSOURCES += dbe.c
+if BUILD_DBE
+lib_LTLIBRARIES += libxcb-dbe.la
+libxcb_dbe_la_LDFLAGS = -version-info 0:0:0 -no-undefined @lt_enable_auto_import@
+libxcb_dbe_la_LIBADD = $(XCB_LIBS)
+nodist_libxcb_dbe_la_SOURCES = dbe.c dbe.h
+endif
+
 EXTSOURCES += dpms.c
 if BUILD_DPMS
 lib_LTLIBRARIES += libxcb-dpms.la

xcb-dbe.pc.in

@@ -0,0 +1,11 @@
+prefix=@prefix@
+exec_prefix=@exec_prefix@
+libdir=@libdir@
+includedir=@includedir@
+
+Name: XCB Dbe
+Description: XCB Double Buffer Extension
+Version: @PACKAGE_VERSION@
+Requires.private: xcb
+Libs: -L${libdir} -lxcb-dbe
+Cflags: -I${includedir}