1 files changed, 138 insertions, 0 deletions
diff --git a/common/m4/gst-check.m4 b/common/m4/gst-check.m4
new file mode 100755
index 0000000..3f6b8ff
--- /dev/null
+++ b/common/m4/gst-check.m4
@@ -0,0 +1,138 @@
+dnl pkg-config-based checks for GStreamer modules and dependency modules
+
+dnl generic:
+dnl AG_GST_PKG_CHECK_MODULES([PREFIX], [WHICH], [REQUIRED])
+dnl sets HAVE_[$PREFIX], [$PREFIX]_*
+dnl AG_GST_CHECK_MODULES([PREFIX], [MODULE], [MINVER], [NAME], [REQUIRED])
+dnl sets HAVE_[$PREFIX], [$PREFIX]_*
+
+dnl specific:
+dnl AG_GST_CHECK_GST([MAJMIN], [MINVER], [REQUIRED])
+dnl   also sets/ACSUBSTs GST_TOOLS_DIR and GST_PLUGINS_DIR
+dnl AG_GST_CHECK_GST_BASE([MAJMIN], [MINVER], [REQUIRED])
+dnl AG_GST_CHECK_GST_GDP([MAJMIN], [MINVER], [REQUIRED])
+dnl AG_GST_CHECK_GST_CONTROLLER([MAJMIN], [MINVER], [REQUIRED])
+dnl AG_GST_CHECK_GST_CHECK([MAJMIN], [MINVER], [REQUIRED])
+dnl AG_GST_CHECK_GST_PLUGINS_BASE([MAJMIN], [MINVER], [REQUIRED])
+dnl   also sets/ACSUBSTs GSTPB_PLUGINS_DIR
+
+AC_DEFUN([AG_GST_PKG_CHECK_MODULES],
+[
+  which="[$2]"
+  dnl not required by default, since we use this mostly for plugin deps
+  required=ifelse([$3], , "no", [$3])
+
+  PKG_CHECK_MODULES([$1], $which,
+    [
+      HAVE_[$1]="yes"
+    ],
+    [
+      HAVE_[$1]="no"
+      AC_MSG_RESULT(no)
+      if test "x$required" = "xyes"; then
+        AC_MSG_ERROR($[$1]_PKG_ERRORS)
+      else
+        AC_MSG_NOTICE($[$1]_PKG_ERRORS)
+      fi
+    ])
+
+  dnl AC_SUBST of CFLAGS and LIBS was not done before automake 1.7
+  dnl It gets done automatically in automake >= 1.7, which we now require
+]))
+
+AC_DEFUN([AG_GST_CHECK_MODULES],
+[
+  module=[$2]
+  minver=[$3]
+  name="[$4]"
+  required=ifelse([$5], , "yes", [$5]) dnl required by default
+
+  PKG_CHECK_MODULES([$1], $module >= $minver,
+    [
+      HAVE_[$1]="yes"
+    ],
+    [
+      HAVE_[$1]="no"
+      AC_MSG_RESULT(no)
+      AC_MSG_NOTICE($[$1]_PKG_ERRORS)
+      if test "x$required" = "xyes"; then
+        AC_MSG_ERROR([no $module >= $minver ($name) found])
+      else
+        AC_MSG_NOTICE([no $module >= $minver ($name) found])
+      fi
+    ])
+
+  dnl AC_SUBST of CFLAGS and LIBS was not done before automake 1.7
+  dnl It gets done automatically in automake >= 1.7, which we now require
+]))
+
+AC_DEFUN([AG_GST_CHECK_GST],
+[
+  AG_GST_CHECK_MODULES(GST, gstreamer-[$1], [$2], [GStreamer], [$3])
+  dnl allow setting before calling this macro to override
+  if test -z $GST_TOOLS_DIR; then
+    GST_TOOLS_DIR=`$PKG_CONFIG --variable=toolsdir gstreamer-[$1]`
+    if test -z $GST_TOOLS_DIR; then
+      AC_MSG_ERROR(
+        [no tools dir set in GStreamer pkg-config file, core upgrade needed.])
+    fi
+  fi
+  AC_MSG_NOTICE([using GStreamer tools in $GST_TOOLS_DIR])
+  AC_SUBST(GST_TOOLS_DIR)
+
+  dnl check for where core plug-ins got installed
+  dnl this is used for unit tests
+  dnl allow setting before calling this macro to override
+  if test -z $GST_PLUGINS_DIR; then
+    GST_PLUGINS_DIR=`$PKG_CONFIG --variable=pluginsdir gstreamer-[$1]`
+    if test -z $GST_PLUGINS_DIR; then
+      AC_MSG_ERROR(
+        [no pluginsdir set in GStreamer pkg-config file, core upgrade needed.])
+    fi
+  fi
+  AC_MSG_NOTICE([using GStreamer plug-ins in $GST_PLUGINS_DIR])
+  AC_SUBST(GST_PLUGINS_DIR)
+])
+
+AC_DEFUN([AG_GST_CHECK_GST_BASE],
+[
+  AG_GST_CHECK_MODULES(GST_BASE, gstreamer-base-[$1], [$2],
+    [GStreamer Base Libraries], [$3])
+])
+  
+AC_DEFUN([AG_GST_CHECK_GST_GDP],
+[
+  AG_GST_CHECK_MODULES(GST_GDP, gstreamer-dataprotocol-[$1], [$2],
+    [GStreamer Data Protocol Library], [$3])
+])
+  
+AC_DEFUN([AG_GST_CHECK_GST_CONTROLLER],
+[
+  AG_GST_CHECK_MODULES(GST_CONTROLLER, gstreamer-controller-[$1], [$2],
+    [GStreamer Controller Library], [$3])
+])  
+
+AC_DEFUN([AG_GST_CHECK_GST_CHECK],
+[
+  AG_GST_CHECK_MODULES(GST_CHECK, gstreamer-check-[$1], [$2],
+    [GStreamer Check unittest Library], [$3])
+])
+
+AC_DEFUN([AG_GST_CHECK_GST_PLUGINS_BASE],
+[
+  AG_GST_CHECK_MODULES(GST_PLUGINS_BASE, gstreamer-plugins-base-[$1], [$2],
+    [GStreamer Base Plug-ins Library], [$3])
+
+  dnl check for where base plug-ins got installed
+  dnl this is used for unit tests
+  dnl allow setting before calling this macro to override
+  if test -z $GSTPB_PLUGINS_DIR; then
+    GSTPB_PLUGINS_DIR=`$PKG_CONFIG --variable=pluginsdir gstreamer-plugins-base-[$1]`
+    if test -z $GSTPB_PLUGINS_DIR; then
+      AC_MSG_ERROR(
+        [no pluginsdir set in GStreamer Base Plug-ins pkg-config file])
+    fi
+  fi
+  AC_MSG_NOTICE([using GStreamer Base Plug-ins in $GSTPB_PLUGINS_DIR])
+  AC_SUBST(GSTPB_PLUGINS_DIR)
+])