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build-sys: Add SPICE_CHECK_GSTREAMER()

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This simplifies checking for GStreamer modules by setting all the
variables we normally need.

Signed-off-by: Francois Gouget <fgouget@codeweavers.com>
This commit is contained in:
Francois Gouget 2015-11-03 13:05:40 +01:00 committed by Christophe Fergeau
parent 899a7c75e3
commit 437b817f49
1 changed files with 20 additions and 0 deletions
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20
m4/spice-deps.m4
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@ -207,3 +207,23 @@ AC_DEFUN([SPICE_CHECK_LZ4], [
AC_DEFINE(USE_LZ4, [1], [Define to build with lz4 support])
fi
])
# SPICE_CHECK_GSTREAMER(VAR, version, packages-to-check-for, [action-if-found, [action-if-not-found]])
# ---------------------
# Checks whether the specified GStreamer modules are present and sets the
# corresponding autoconf variables and preprocessor definitions.
# ---------------------
AC_DEFUN([SPICE_CHECK_GSTREAMER], [
AS_VAR_PUSHDEF([have_gst],[have_]m4_tolower([$1]))dnl
PKG_CHECK_MODULES([$1], [$3],
[have_gst="yes"
AC_SUBST(AS_TR_SH([[$1]_CFLAGS]))
AC_SUBST(AS_TR_SH([[$1]_LIBS]))
AS_VAR_APPEND([SPICE_REQUIRES], [" $3"])
AC_DEFINE(AS_TR_SH([HAVE_$1]), [1], [Define if supporting GStreamer $2])
$4],
[have_gst="no"
$5])
AS_VAR_POPDEF([have_gst])dnl
])