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configure: Make Wayland backend optional

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As long as we are not ready to switch over the default backend,
arrange ./configure without explicit backend options makes the
x11 backend mandatory and the wayland backend optional (depending
on whether we find Wayland dependencies).

http://bugzilla.gnome.org/show_bug.cgi?id=709212
This commit is contained in:
Matthias Clasen 2013-10-06 15:13:48 -04:00
parent 5bdfdcadff
commit b6e8f27439
1 changed files with 19 additions and 6 deletions
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25
configure.ac
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@ -314,7 +314,7 @@ if test -z "$backend_set"; then
enable_win32_backend=yes
else
enable_x11_backend=yes
enable_wayland_backend=yes
enable_wayland_backend=maybe
fi
fi
@ -394,8 +394,23 @@ else
AM_CONDITIONAL(USE_BROADWAY, false)
fi
PKG_PROG_PKG_CONFIG
WAYLAND_DEPENDENCIES="wayland-client >= 1.2.0 xkbcommon >= 0.2.0 wayland-cursor"
if test "$enable_wayland_backend" = "maybe" ; then
AC_PATH_PROG([WAYLAND_SCANNER],[wayland-scanner],[no])
PKG_CHECK_EXISTS($WAYLAND_DEPENDENCIES, [have_wayland_deps=yes], [have_wayland_deps=no])
AC_MSG_CHECKING([for WAYLAND_DEPENDENCIES])
if test "$WAYLAND_SCANNER" = "no" -o "$have_wayland_deps" = "no" ; then
enable_wayland_backend=no
else
enable_wayland_backend=yes
fi
AC_MSG_RESULT($enable_wayland_backend)
fi
DISABLE_ON_WAYLAND=''
if test "x$enable_wayland_backend" = "xyes"; then
if test "$enable_wayland_backend" = "yes"; then
# For the cairo image backend
cairo_backends="$cairo_backends cairo"
GDK_BACKENDS="$GDK_BACKENDS wayland"
@ -403,9 +418,7 @@ if test "x$enable_wayland_backend" = "xyes"; then
GDK_WINDOWING="$GDK_WINDOWING
#define GDK_WINDOWING_WAYLAND"
DISABLE_ON_WAYLAND='%'
WAYLAND_PACKAGES="wayland-client >= 1.2.0 xkbcommon >= 0.2.0 wayland-cursor"
AC_PATH_PROG([WAYLAND_SCANNER],[wayland-scanner],[no])
WAYLAND_PACKAGES="$WAYLAND_DEPENDENCIES"
AS_IF([test "x$WAYLAND_SCANNER" = "xno"],
AC_MSG_ERROR([Could not find wayland-scanner in your PATH, required for parsing wayland extension protocols]))
AC_SUBST([WAYLAND_SCANNER])
@ -527,7 +540,7 @@ AC_ARG_ENABLE(explicit-deps,
[use explicit dependencies in .pc files [default=auto]])],,
[enable_explicit_deps=auto])
AC_MSG_CHECKING([Whether to write dependencies into .pc files])
AC_MSG_CHECKING([whether to write dependencies into .pc files])
case $enable_explicit_deps in
auto)
export SED