diff --git a/configure.ac b/configure.ac
index ea89600145..95dd7288a7 100644
--- a/configure.ac
+++ b/configure.ac
@@ -353,7 +353,13 @@ fi
 AC_SUBST(DEPRECATED_CFLAGS)
 
 VISIBILITY_CFLAGS=""
-AS_COMPILER_FLAG([-fvisibility=hidden], [VISIBILITY_CFLAGS="-fvisibility=hidden"])
+AS_COMPILER_FLAG([-fvisibility=hidden], [
+  VISIBILITY_CFLAGS="-fvisibility=hidden"
+  AC_DEFINE(GST_API_EXPORT, [extern __attribute__ ((visibility ("default")))], [public symbol export define])
+], [
+  VISIBILITY_CFLAGS=""
+  AC_DEFINE(GST_API_EXPORT, [extern], [public symbol export define])
+])
 AC_SUBST(VISIBILITY_CFLAGS)
 
 dnl disable strict aliasing
diff --git a/ges/Makefile.am b/ges/Makefile.am
index dae513f768..18d2444a3c 100644
--- a/ges/Makefile.am
+++ b/ges/Makefile.am
@@ -155,7 +155,7 @@ noinst_HEADERS = \
 libges_@GST_API_VERSION@_la_CFLAGS = -I$(top_srcdir) $(GST_PBUTILS_CFLAGS) \
 		$(GST_VIDEO_CFLAGS) $(GST_CONTROLLER_CFLAGS) $(GST_PLUGINS_BASE_CFLAGS) \
 		$(GST_CFLAGS) $(XML_CFLAGS) $(GIO_CFLAGS) $(GST_VALIDATE_CFLAGS) \
-		-DG_LOG_DOMAIN=\"GES\"
+		-DG_LOG_DOMAIN=\"GES\" -DBUILDING_GES
 libges_@GST_API_VERSION@_la_LIBADD = $(GST_PBUTILS_LIBS) \
 		$(GST_VIDEO_LIBS) $(GST_CONTROLLER_LIBS) $(GST_PLUGINS_BASE_LIBS) \
 		$(GST_BASE_LIBS) $(GST_LIBS) $(XML_LIBS) $(GIO_LIBS) $(GST_VALIDATE_LIBS)
diff --git a/ges/ges-asset.c b/ges/ges-asset.c
index a7d5d30334..9503b3ef94 100644
--- a/ges/ges-asset.c
+++ b/ges/ges-asset.c
@@ -82,6 +82,9 @@
  * ges_asset_request_async(). All the #GESAssets are cached and thus any asset that has already
  * been created can be requested again without overhead.
  */
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
 
 #include "ges.h"
 #include "ges-internal.h"
diff --git a/ges/ges-audio-source.c b/ges/ges-audio-source.c
index 1588a1e4d7..8997107dae 100644
--- a/ges/ges-audio-source.c
+++ b/ges/ges-audio-source.c
@@ -48,6 +48,9 @@
  * </tgroup>
  * </informaltable>
  */
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
 
 #include "ges-internal.h"
 #include "ges/ges-meta-container.h"
diff --git a/ges/ges-audio-test-source.c b/ges/ges-audio-test-source.c
index 03831ad0c3..81627ab622 100644
--- a/ges/ges-audio-test-source.c
+++ b/ges/ges-audio-test-source.c
@@ -27,6 +27,9 @@
  * output silence. Useful for testing pipelines, or to fill gaps in an audio
  * track.
  */
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
 
 #include "ges-internal.h"
 #include "ges-track-element.h"
diff --git a/ges/ges-audio-track.c b/ges/ges-audio-track.c
index 68bc2f723a..1ac8af07c5 100644
--- a/ges/ges-audio-track.c
+++ b/ges/ges-audio-track.c
@@ -36,6 +36,9 @@
  * - rate: 44100
  * - layout: interleaved
  */
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
 
 #include "ges-internal.h"
 #include "ges-smart-adder.h"
diff --git a/ges/ges-audio-transition.c b/ges/ges-audio-transition.c
index 10c70e2c80..3a94876991 100644
--- a/ges/ges-audio-transition.c
+++ b/ges/ges-audio-transition.c
@@ -23,6 +23,9 @@
  * @title: GESAudioTransition
  * @short_description: implements audio crossfade transition
  */
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
 
 #include "ges-internal.h"
 #include "ges-track-element.h"
diff --git a/ges/ges-audio-uri-source.c b/ges/ges-audio-uri-source.c
index 11c367542a..755d6e0fa0 100644
--- a/ges/ges-audio-uri-source.c
+++ b/ges/ges-audio-uri-source.c
@@ -23,6 +23,9 @@
  * @title: GESAudioUriSource
  * @short_description: outputs a single audio stream from a given file
  */
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
 
 #include "ges-utils.h"
 #include "ges-internal.h"
diff --git a/ges/ges-auto-transition.c b/ges/ges-auto-transition.c
index 18e41cf295..37ea759c65 100644
--- a/ges/ges-auto-transition.c
+++ b/ges/ges-auto-transition.c
@@ -22,6 +22,9 @@
  *
  * NOTE: This is for internal use exclusively
  */
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
 
 #include "ges-auto-transition.h"
 #include "ges-internal.h"
diff --git a/ges/ges-base-effect-clip.c b/ges/ges-base-effect-clip.c
index 18e03d18f4..4cf1e65be4 100644
--- a/ges/ges-base-effect-clip.c
+++ b/ges/ges-base-effect-clip.c
@@ -25,6 +25,9 @@
  * The effect will be applied on the sources that have lower priorities
  * (higher number) between the inpoint and the end of it.
  */
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
 
 #include <ges/ges.h>
 #include "ges-internal.h"
diff --git a/ges/ges-base-effect.c b/ges/ges-base-effect.c
index ee11d6c680..b604833c81 100644
--- a/ges/ges-base-effect.c
+++ b/ges/ges-base-effect.c
@@ -23,6 +23,9 @@
  * @short_description: adds an effect to a stream in a GESSourceClip or a
  * GESLayer
  */
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
 
 #include <glib/gprintf.h>
 
diff --git a/ges/ges-base-transition-clip.c b/ges/ges-base-transition-clip.c
index b2347bfccc..ac3a47cf9a 100644
--- a/ges/ges-base-transition-clip.c
+++ b/ges/ges-base-transition-clip.c
@@ -23,6 +23,9 @@
  * @title: GESBaseTransitionClip
  * @short_description: Base classes for transitions
  */
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
 
 #include <ges/ges.h>
 #include "ges-internal.h"
diff --git a/ges/ges-base-xml-formatter.c b/ges/ges-base-xml-formatter.c
index 414fc0c7da..5e1fe772e7 100644
--- a/ges/ges-base-xml-formatter.c
+++ b/ges/ges-base-xml-formatter.c
@@ -17,6 +17,9 @@
  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  * Boston, MA 02111-1307, USA.
  */
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
 
 #include "ges.h"
 #include "ges-internal.h"
diff --git a/ges/ges-clip-asset.c b/ges/ges-clip-asset.c
index 4561084f50..e749c8af82 100644
--- a/ges/ges-clip-asset.c
+++ b/ges/ges-clip-asset.c
@@ -26,6 +26,9 @@
  * it is mostly used to get information about the #GESTrackType-s the objects extracted
  * from it can potentialy create #GESTrackElement for.
  */
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
 
 #include "ges-clip-asset.h"
 
diff --git a/ges/ges-clip.c b/ges/ges-clip.c
index 1393516c6b..a7110a1bf7 100644
--- a/ges/ges-clip.c
+++ b/ges/ges-clip.c
@@ -31,6 +31,9 @@
  * Keeps a reference to the #GESTrackElement(s) it created and
  * sets/updates their properties.
  */
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
 
 #include "ges-clip.h"
 #include "ges.h"
diff --git a/ges/ges-command-line-formatter.c b/ges/ges-command-line-formatter.c
index 4dbc181f55..afca778684 100644
--- a/ges/ges-command-line-formatter.c
+++ b/ges/ges-command-line-formatter.c
@@ -17,6 +17,9 @@
  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  * Boston, MA 02111-1307, USA.
  */
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
 
 #include "ges-command-line-formatter.h"
 
diff --git a/ges/ges-container.c b/ges/ges-container.c
index 06f2a25200..35abcbfdc4 100644
--- a/ges/ges-container.c
+++ b/ges/ges-container.c
@@ -24,6 +24,9 @@
  * @short_description: Base Class for objects responsible for controlling other
  * GESTimelineElement-s
  */
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
 
 #include "ges-container.h"
 #include "ges.h"
diff --git a/ges/ges-effect-asset.c b/ges/ges-effect-asset.c
index b836ed573a..120dbf41e3 100644
--- a/ges/ges-effect-asset.c
+++ b/ges/ges-effect-asset.c
@@ -24,6 +24,9 @@
  * This is internal, and implementation details, so we are not showing it in the
  * documentation
  */
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
 
 #include "ges-effect-asset.h"
 #include "ges-track-element.h"
diff --git a/ges/ges-effect-clip.c b/ges/ges-effect-clip.c
index fab0370079..f43f2f4e37 100644
--- a/ges/ges-effect-clip.c
+++ b/ges/ges-effect-clip.c
@@ -26,6 +26,9 @@
  * The effect will be applied on the sources that have lower priorities
  * (higher number) between the inpoint and the end of it.
  */
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
 
 #include <ges/ges.h>
 #include "ges-internal.h"
diff --git a/ges/ges-effect.c b/ges/ges-effect.c
index 84ef696021..a2a80f4494 100644
--- a/ges/ges-effect.c
+++ b/ges/ges-effect.c
@@ -23,6 +23,9 @@
  * @short_description: adds an effect build from a parse-launch style
  * bin description to a stream in a GESSourceClip or a GESLayer
  */
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
 
 #include "ges-internal.h"
 #include "ges-extractable.h"
diff --git a/ges/ges-enums.c b/ges/ges-enums.c
index 440657ea49..c4072ff46b 100644
--- a/ges/ges-enums.c
+++ b/ges/ges-enums.c
@@ -23,6 +23,9 @@
  * @title: GES Enumerations
  * @short_description: Various enums for the Gstreamer Editing Services
  */
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
 
 #include "ges-enums.h"
 #include "ges-internal.h"
diff --git a/ges/ges-extractable.c b/ges/ges-extractable.c
index 77f56d67b5..9d7d3f1349 100644
--- a/ges/ges-extractable.c
+++ b/ges/ges-extractable.c
@@ -25,6 +25,10 @@
  *
  * FIXME: Long description needed
  */
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
 #include "ges-asset.h"
 #include "ges-internal.h"
 #include "ges-extractable.h"
diff --git a/ges/ges-formatter.c b/ges/ges-formatter.c
index 5ff9f04eca..2bc22e25f6 100644
--- a/ges/ges-formatter.c
+++ b/ges/ges-formatter.c
@@ -24,6 +24,9 @@
  * @short_description: Timeline saving and loading.
  *
  **/
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
 
 #include <gst/gst.h>
 #include <gio/gio.h>
diff --git a/ges/ges-group.c b/ges/ges-group.c
index f6762690d5..a0fb24edb7 100644
--- a/ges/ges-group.c
+++ b/ges/ges-group.c
@@ -31,6 +31,9 @@
  * should be instaciated to group the various #GESTimelineElement passed
  * in parametter.
  */
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
 
 #include "ges-group.h"
 #include "ges.h"
diff --git a/ges/ges-image-source.c b/ges/ges-image-source.c
index 54ebcb44a3..b4c3eb4eba 100644
--- a/ges/ges-image-source.c
+++ b/ges/ges-image-source.c
@@ -28,6 +28,9 @@
  * chosen will be determined by the in-point property on the track element. For
  * image files, do not set the in-point property.
  */
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
 
 #include "ges-internal.h"
 #include "ges-track-element.h"
diff --git a/ges/ges-layer.c b/ges/ges-layer.c
index fcc036c7df..ad33c02139 100644
--- a/ges/ges-layer.c
+++ b/ges/ges-layer.c
@@ -30,6 +30,9 @@
  * priorities of individual Clips. Two layers should not have the
  * same priority within a given timeline.
  */
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
 
 #include "ges-internal.h"
 #include "ges-layer.h"
diff --git a/ges/ges-meta-container.c b/ges/ges-meta-container.c
index 883eb98ec8..e9a352217b 100644
--- a/ges/ges-meta-container.c
+++ b/ges/ges-meta-container.c
@@ -17,6 +17,9 @@
  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  * Boston, MA 02111-1307, USA.
  */
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
 
 #include <glib-object.h>
 #include <gst/gst.h>
diff --git a/ges/ges-multi-file-source.c b/ges/ges-multi-file-source.c
index ce9e19df4d..f6b6c4b48e 100644
--- a/ges/ges-multi-file-source.c
+++ b/ges/ges-multi-file-source.c
@@ -25,6 +25,10 @@
  * Outputs the video stream from a given image sequence. The start frame
  * chosen will be determined by the in-point property on the track element.
  */
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
 #include <stdlib.h>
 #include <string.h>
 #include "ges-internal.h"
diff --git a/ges/ges-operation-clip.c b/ges/ges-operation-clip.c
index 9b8116890d..d8be92dc97 100644
--- a/ges/ges-operation-clip.c
+++ b/ges/ges-operation-clip.c
@@ -25,6 +25,9 @@
  *
  * Operations are any kind of object that both outputs AND consumes data.
  */
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
 
 #include "ges.h"
 #include "ges-internal.h"
diff --git a/ges/ges-operation.c b/ges/ges-operation.c
index 6bf10cd452..15a7102f14 100644
--- a/ges/ges-operation.c
+++ b/ges/ges-operation.c
@@ -23,6 +23,9 @@
  * @title: GESOperation
  * @short_description: Base Class for effects and overlays
  */
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
 
 #include "ges-internal.h"
 #include "ges-track-element.h"
diff --git a/ges/ges-overlay-clip.c b/ges/ges-overlay-clip.c
index 51e0488c7d..8ab9695b92 100644
--- a/ges/ges-overlay-clip.c
+++ b/ges/ges-overlay-clip.c
@@ -30,6 +30,9 @@
  * Transitions, which change from one source to another over time, are
  * not considered overlays.
  */
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
 
 #include "ges-internal.h"
 #include "ges-operation-clip.h"
diff --git a/ges/ges-pipeline.c b/ges/ges-pipeline.c
index 9dda9307c3..de68b58178 100644
--- a/ges/ges-pipeline.c
+++ b/ges/ges-pipeline.c
@@ -27,6 +27,9 @@
  * in a simple fashion.
  * Its usage is inspired by the 'playbin' element from gst-plugins-base.
  */
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
 
 #include <gst/gst.h>
 #include <gst/video/videooverlay.h>
diff --git a/ges/ges-pitivi-formatter.c b/ges/ges-pitivi-formatter.c
index 76cdda0674..38fd0a278c 100644
--- a/ges/ges-pitivi-formatter.c
+++ b/ges/ges-pitivi-formatter.c
@@ -27,6 +27,10 @@
  *
  * Deprecated: 1.0
  */
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#undef VERSION
+#endif
 
 #include <libxml/xmlreader.h>
 #include <libxml/tree.h>
@@ -41,7 +45,7 @@
 #include <ges/ges.h>
 
 /* The Pitivi etree formatter is 0.1 we set GES one to 0.2 */
-#define VERSION "0.2"
+//#define VERSION "0.2"
 #define DOUBLE_VERSION 0.2
 
 #undef GST_CAT_DEFAULT
diff --git a/ges/ges-prelude.h b/ges/ges-prelude.h
index fc6c9400b5..ccfff57eb4 100644
--- a/ges/ges-prelude.h
+++ b/ges/ges-prelude.h
@@ -25,7 +25,11 @@
 #include <gst/gst.h>
 
 #ifndef GES_API
-#define GES_API GST_EXPORT
+# ifdef BUILDING_GES
+#  define GES_API GST_API_EXPORT         /* from config.h */
+# else
+#  define GES_API GST_API_IMPORT
+# endif
 #endif
 
 #endif /* __GST_GES_PRELUDE_H__ */
diff --git a/ges/ges-project.c b/ges/ges-project.c
index e4d9f20d13..4ad62817f4 100644
--- a/ges/ges-project.c
+++ b/ges/ges-project.c
@@ -44,6 +44,10 @@
  * a set of signals. Also it handles problem such as missing files/missing
  * #GstElement and lets you try to recover from those.
  */
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
 #include "ges.h"
 #include "ges-internal.h"
 
diff --git a/ges/ges-screenshot.c b/ges/ges-screenshot.c
index 755aae76b2..1a99a5ed0a 100644
--- a/ges/ges-screenshot.c
+++ b/ges/ges-screenshot.c
@@ -17,6 +17,9 @@
  * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
  * Boston, MA 02110-1301, USA.
  */
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
 
 #include <gst/gst.h>
 #include <gst/video/video.h>
diff --git a/ges/ges-smart-adder.c b/ges/ges-smart-adder.c
index 5d8b2bcc76..85ea017114 100644
--- a/ges/ges-smart-adder.c
+++ b/ges/ges-smart-adder.c
@@ -17,6 +17,10 @@
  * You should have received a copy of the GNU Lesser General Public License
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.";
  */
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
 #include <gst/audio/audio.h>
 
 #include "ges-types.h"
diff --git a/ges/ges-smart-video-mixer.c b/ges/ges-smart-video-mixer.c
index 6315f416cd..aa396518de 100644
--- a/ges/ges-smart-video-mixer.c
+++ b/ges/ges-smart-video-mixer.c
@@ -16,6 +16,9 @@
  * You should have received a copy of the GNU Lesser General Public License
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.";
  */
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
 
 #include "gstframepositioner.h"
 #include "ges-types.h"
diff --git a/ges/ges-source-clip.c b/ges/ges-source-clip.c
index 24dd0bffcd..21c9f9562b 100644
--- a/ges/ges-source-clip.c
+++ b/ges/ges-source-clip.c
@@ -23,6 +23,9 @@
  * @title: GESSourceClip
  * @short_description: Base Class for sources of a GESLayer
  */
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
 
 #include "ges-internal.h"
 #include "ges-clip.h"
diff --git a/ges/ges-source.c b/ges/ges-source.c
index 90119e6b37..e70c4e5f42 100644
--- a/ges/ges-source.c
+++ b/ges/ges-source.c
@@ -23,6 +23,9 @@
  * @title: GESSource
  * @short_description: Base Class for single-media sources
  */
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
 
 #include "ges-internal.h"
 #include "ges/ges-meta-container.h"
diff --git a/ges/ges-structure-parser.c b/ges/ges-structure-parser.c
index ae05622b62..bcd2a24c15 100644
--- a/ges/ges-structure-parser.c
+++ b/ges/ges-structure-parser.c
@@ -17,6 +17,9 @@
  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  * Boston, MA 02111-1307, USA.
  */
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
 
 #include "ges-structure-parser.h"
 
diff --git a/ges/ges-structured-interface.c b/ges/ges-structured-interface.c
index 1e00a3dac2..cf1de50d97 100644
--- a/ges/ges-structured-interface.c
+++ b/ges/ges-structured-interface.c
@@ -17,6 +17,10 @@
  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  * Boston, MA 02111-1307, USA.
  */
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
 #include "ges-structured-interface.h"
 
 #include <string.h>
diff --git a/ges/ges-test-clip.c b/ges/ges-test-clip.c
index 9f2c5fb887..77bd5f346f 100644
--- a/ges/ges-test-clip.c
+++ b/ges/ges-test-clip.c
@@ -28,6 +28,9 @@
  * You can use the ges_asset_request_simple API to create an Asset
  * capable of extracting GESTestClip-s
  */
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
 
 #include "ges-internal.h"
 #include "ges-test-clip.h"
diff --git a/ges/ges-text-overlay-clip.c b/ges/ges-text-overlay-clip.c
index 57f1f3a8ef..72d826509e 100644
--- a/ges/ges-text-overlay-clip.c
+++ b/ges/ges-text-overlay-clip.c
@@ -25,6 +25,9 @@
  *
  * Renders text onto the next lower priority stream using textrender.
  */
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
 
 #include "ges-internal.h"
 #include "ges-text-overlay-clip.h"
diff --git a/ges/ges-text-overlay.c b/ges/ges-text-overlay.c
index 1278a6d0d9..98d90b823a 100644
--- a/ges/ges-text-overlay.c
+++ b/ges/ges-text-overlay.c
@@ -24,6 +24,9 @@
  * @short_description: render text onto another video stream in a GESLayer
  *
  */
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
 
 #include "ges-internal.h"
 #include "ges-track-element.h"
diff --git a/ges/ges-timeline-element.c b/ges/ges-timeline-element.c
index fffaf5a83b..4a1e3522b3 100644
--- a/ges/ges-timeline-element.c
+++ b/ges/ges-timeline-element.c
@@ -26,6 +26,9 @@
  * as priority. A GESTimelineElement can have a parent object which will be
  * responsible for controlling its timing properties.
  */
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
 
 #include "ges-utils.h"
 #include "ges-timeline-element.h"
diff --git a/ges/ges-timeline.c b/ges/ges-timeline.c
index 4394146dd2..041c29bb87 100644
--- a/ges/ges-timeline.c
+++ b/ges/ges-timeline.c
@@ -40,6 +40,9 @@
  * Note that any change you make in the timeline will not actually be taken
  * into account until you call the #ges_timeline_commit method.
  */
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
 
 #include "ges-internal.h"
 #include "ges-project.h"
diff --git a/ges/ges-title-clip.c b/ges/ges-title-clip.c
index 4e012a16e8..f663a227db 100644
--- a/ges/ges-title-clip.c
+++ b/ges/ges-title-clip.c
@@ -26,6 +26,9 @@
  * Renders the given text in the specified font, at specified position, and
  * with the specified background pattern.
  */
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
 
 #include "ges-internal.h"
 #include "ges-title-clip.h"
diff --git a/ges/ges-title-source.c b/ges/ges-title-source.c
index 82ddaa2890..be4671e899 100644
--- a/ges/ges-title-source.c
+++ b/ges/ges-title-source.c
@@ -87,6 +87,9 @@
  * </tgroup>
  * </informaltable>
  */
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
 
 #include "ges-internal.h"
 #include "ges-track-element.h"
diff --git a/ges/ges-track-element-asset.c b/ges/ges-track-element-asset.c
index 9e54c40125..d6ed7a2fcc 100644
--- a/ges/ges-track-element-asset.c
+++ b/ges/ges-track-element-asset.c
@@ -23,6 +23,9 @@
  * @title: GESTrackElementAsset
  * @short_description: A GESAsset subclass specialized in GESTrackElement extraction
  */
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
 
 #include "ges-track-element-asset.h"
 
diff --git a/ges/ges-track-element.c b/ges/ges-track-element.c
index ffc77dc552..2fc2c33cc9 100644
--- a/ges/ges-track-element.c
+++ b/ges/ges-track-element.c
@@ -30,6 +30,10 @@
  * its container, like the start position, the inpoint, the duration and the
  * priority.
  */
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
 #include "ges-internal.h"
 #include "ges-extractable.h"
 #include "ges-track-element.h"
diff --git a/ges/ges-track.c b/ges/ges-track.c
index 534a7af63a..b23d47ccf0 100644
--- a/ges/ges-track.c
+++ b/ges/ges-track.c
@@ -27,6 +27,9 @@
  *
  * Contains the compatible TrackElement(s).
  */
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
 
 #include "ges-internal.h"
 #include "ges-track.h"
diff --git a/ges/ges-transition-clip.c b/ges/ges-transition-clip.c
index acff2f3b2a..8a64291ea0 100644
--- a/ges/ges-transition-clip.c
+++ b/ges/ges-transition-clip.c
@@ -36,6 +36,9 @@
  * that this value can be changed after creation and the GESExtractable.asset value
  * will be updated when needed.
  */
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
 
 #include <ges/ges.h>
 #include "ges-internal.h"
diff --git a/ges/ges-transition.c b/ges/ges-transition.c
index 00365645af..65c07e6612 100644
--- a/ges/ges-transition.c
+++ b/ges/ges-transition.c
@@ -24,6 +24,9 @@
  * @short_description: base class for audio and video transitions
  *
  */
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
 
 #include <ges/ges.h>
 #include "ges-internal.h"
diff --git a/ges/ges-uri-asset.c b/ges/ges-uri-asset.c
index b440d77ef9..7a28515272 100644
--- a/ges/ges-uri-asset.c
+++ b/ges/ges-uri-asset.c
@@ -28,6 +28,10 @@
  * let you get information about the medias. Also, the tags found in the media file are
  * set as Metadatas of the Asser.
  */
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
 #include <errno.h>
 #include <gst/pbutils/pbutils.h>
 #include "ges.h"
diff --git a/ges/ges-uri-clip.c b/ges/ges-uri-clip.c
index d4ae1417b9..3f8f63c538 100644
--- a/ges/ges-uri-clip.c
+++ b/ges/ges-uri-clip.c
@@ -26,6 +26,9 @@
  * Represents all the output streams from a particular uri. It is assumed that
  * the URI points to a file of some type.
  */
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
 
 #include "ges-internal.h"
 #include "ges-uri-clip.h"
diff --git a/ges/ges-utils.c b/ges/ges-utils.c
index bd330cb05f..adb0d0ca04 100644
--- a/ges/ges-utils.c
+++ b/ges/ges-utils.c
@@ -23,6 +23,9 @@
  * @short_description: Convenience methods
  *
  */
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
 
 #include <string.h>
 
diff --git a/ges/ges-video-source.c b/ges/ges-video-source.c
index f73a8f104b..4433d88776 100644
--- a/ges/ges-video-source.c
+++ b/ges/ges-video-source.c
@@ -77,6 +77,9 @@
  * </tgroup>
  * </informaltable>
  */
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
 
 #include <gst/pbutils/missing-plugins.h>
 
diff --git a/ges/ges-video-test-source.c b/ges/ges-video-test-source.c
index baea99fe16..22e04d864a 100644
--- a/ges/ges-video-test-source.c
+++ b/ges/ges-video-test-source.c
@@ -23,6 +23,9 @@
  * @title: GESVideoTestSource
  * @short_description: produce solid colors and patterns
  */
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
 
 #include "ges-internal.h"
 #include "ges-track-element.h"
diff --git a/ges/ges-video-track.c b/ges/ges-video-track.c
index 0bcf1dff9c..90fdeda841 100644
--- a/ges/ges-video-track.c
+++ b/ges/ges-video-track.c
@@ -22,6 +22,9 @@
  * @title: GESVideoTrack
  * @short_description: A standard GESTrack for raw video
  */
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
 
 #include "ges-video-track.h"
 #include "ges-smart-video-mixer.h"
diff --git a/ges/ges-video-transition.c b/ges/ges-video-transition.c
index 58af634bee..61657357db 100644
--- a/ges/ges-video-transition.c
+++ b/ges/ges-video-transition.c
@@ -23,6 +23,9 @@
  * @title: GESVideoTransition
  * @short_description: implements video crossfade transition
  */
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
 
 #include <ges/ges.h>
 #include "ges-internal.h"
diff --git a/ges/ges-video-uri-source.c b/ges/ges-video-uri-source.c
index 7b72539bd1..1939046b81 100644
--- a/ges/ges-video-uri-source.c
+++ b/ges/ges-video-uri-source.c
@@ -23,6 +23,9 @@
  * @title: GESVideoUriSource
  * @short_description: outputs a single video stream from a given file
  */
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
 
 #include <gst/pbutils/missing-plugins.h>
 
diff --git a/ges/ges-xml-formatter.c b/ges/ges-xml-formatter.c
index 4fe7c6511b..d52921293f 100644
--- a/ges/ges-xml-formatter.c
+++ b/ges/ges-xml-formatter.c
@@ -17,6 +17,10 @@
  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  * Boston, MA 02111-1307, USA.
  */
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#undef VERSION
+#endif
 
 
 /* TODO Determine error codes numbers */
diff --git a/ges/meson.build b/ges/meson.build
index d3421913cf..ba89315adb 100644
--- a/ges/meson.build
+++ b/ges/meson.build
@@ -160,7 +160,7 @@ libges = library('ges-1.0', ges_sources, parser,
     version : libversion,
     soversion : soversion,
     darwin_versions : osxversion,
-    c_args : [ges_c_args],
+    c_args : [ges_c_args] + ['-DBUILDING_GES'],
     include_directories : [configinc],
     install : true,
     dependencies : libges_deps)
diff --git a/meson.build b/meson.build
index 80cf650f58..4dfc112476 100644
--- a/meson.build
+++ b/meson.build
@@ -29,6 +29,9 @@ glib_req = '>= 2.40.0'
 gst_req = '>= @0@.@1@.0'.format(gst_version_major, gst_version_minor)
 
 cc = meson.get_compiler('c')
+
+cdata = configuration_data()
+
 # Ignore several spurious warnings for things gstreamer does very commonly
 # If a warning is completely useless and spammy, use '/wdXXXX' to suppress it
 # If a warning is harmless but hard to fix, use '/woXXXX' so it's shown once
@@ -47,16 +50,23 @@ if cc.has_link_argument('-Wl,-Bsymbolic-functions')
 endif
 
 # Symbol visibility
-if cc.has_argument('-fvisibility=hidden')
+if cc.get_id() == 'msvc'
+  export_define = '__declspec(dllexport) extern'
+elif cc.has_argument('-fvisibility=hidden')
   add_project_arguments('-fvisibility=hidden', language: 'c')
+  export_define = 'extern __attribute__ ((visibility ("default")))'
+else
+  export_define = 'extern'
 endif
 
+# Passing this through the command line would be too messy
+cdata.set('GST_API_EXPORT', export_define)
+
 # Disable strict aliasing
 if cc.has_argument('-fno-strict-aliasing')
   add_project_arguments('-fno-strict-aliasing', language: 'c')
 endif
 
-cdata = configuration_data()
 cdata.set('VERSION', '"@0@"'.format(gst_version))
 cdata.set('PACKAGE', '"gst-editing-services"')
 cdata.set('PACKAGE_VERSION', '"@0@"'.format(gst_version))