diff options
| author | Francois Gouget <fgouget@codeweavers.com> | 2015-11-03 13:05:49 +0100 |
|---|---|---|
| committer | Christophe Fergeau <cfergeau@redhat.com> | 2015-11-16 16:31:06 +0100 |
| commit | f471022453c20e7fcfb54b865d5fbfbcf71fa6c2 (patch) | |
| tree | 9e99318a14c40f95a725746a9258977a02936126 | |
| parent | 437b817f49287e82cc800f3c1632e2499e0176da (diff) | |
| download | spice-common-f471022453c20e7fcfb54b865d5fbfbcf71fa6c2.tar.gz spice-common-f471022453c20e7fcfb54b865d5fbfbcf71fa6c2.tar.xz spice-common-f471022453c20e7fcfb54b865d5fbfbcf71fa6c2.zip | |
build-sys: Add SPICE_CHECK_GSTREAMER_ELEMENTS()
This makes it possible to warn the developer that the GStreamer elements
needed at runtime are missing and give him a hint on how to fix the
issue.
Signed-off-by: Francois Gouget <fgouget@codeweavers.com>
| -rw-r--r-- | m4/spice-deps.m4 | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/m4/spice-deps.m4 b/m4/spice-deps.m4 index bb58d0f..cb2b4c0 100644 --- a/m4/spice-deps.m4 +++ b/m4/spice-deps.m4 @@ -1,6 +1,10 @@ # For autoconf < 2.63 m4_ifndef([AS_VAR_APPEND], AC_DEFUN([AS_VAR_APPEND], $1=$$1$2)) +m4_ifndef([AS_VAR_COPY], + [m4_define([AS_VAR_COPY], + [AS_LITERAL_IF([$1[]$2], [$1=$$2], [eval $1=\$$2])])]) + # SPICE_WARNING(warning) # SPICE_PRINT_MESSAGES @@ -216,14 +220,46 @@ AC_DEFUN([SPICE_CHECK_LZ4], [ # --------------------- AC_DEFUN([SPICE_CHECK_GSTREAMER], [ AS_VAR_PUSHDEF([have_gst],[have_]m4_tolower([$1]))dnl + AS_VAR_PUSHDEF([gst_inspect],[GST_INSPECT_$2])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]) + AC_PATH_PROG(gst_inspect, gst-inspect-$2) + AS_IF([test "x$gst_inspect" = x], + SPICE_WARNING([Cannot verify that the required runtime GStreamer $2 elements are present because gst-inspect-$2 is missing])) $4], [have_gst="no" $5]) + AS_VAR_POPDEF([gst_inspect])dnl AS_VAR_POPDEF([have_gst])dnl ]) + +# SPICE_CHECK_GSTREAMER_ELEMENTS(gst-inspect, package, elements-to-check-for) +# --------------------- +# Checks that the specified GStreamer elements are installed. If not it +# issues a warning and sets missing_gstreamer_elements. +# --------------------- +AC_DEFUN([SPICE_CHECK_GSTREAMER_ELEMENTS], [ +AS_IF([test "x$1" != x], + [missing="" + for element in $3 + do + AS_VAR_PUSHDEF([cache_var],[spice_cv_prog_${1}_${element}])dnl + AC_CACHE_CHECK([for the $element GStreamer element], cache_var, + [found=no + "$1" $element >/dev/null 2>/dev/null && found=yes + eval "cache_var=$found"]) + AS_VAR_COPY(res, cache_var) + AS_IF([test "x$res" = "xno"], [missing="$missing $element"]) + AS_VAR_POPDEF([cache_var])dnl + done + AS_IF([test "x$missing" != x], + [SPICE_WARNING([The$missing GStreamer element(s) are missing. You should be able to find them in the $2 package.]) + missing_gstreamer_elements="yes"], + [test "x$missing_gstreamer_elements" = x], + [missing_gstreamer_elements="no"]) + ]) +]) |