diff --git a/gst-libs/gst/app/Makefile.am b/gst-libs/gst/app/Makefile.am
index 8848a7d534..cf2c85288c 100644
--- a/gst-libs/gst/app/Makefile.am
+++ b/gst-libs/gst/app/Makefile.am
@@ -70,7 +70,8 @@ typelibsdir = $(libdir)/girepository-1.0/
 typelibs_DATA = $(BUILT_GIRSOURCES:.gir=.typelib)
 
 %.typelib: %.gir $(INTROSPECTION_COMPILER)
-	$(AM_V_GEN)$(INTROSPECTION_COMPILER) \
+	$(AM_V_GEN)PKG_CONFIG_PATH="$(GST_PKG_CONFIG_PATH)" \
+		$(INTROSPECTION_COMPILER) \
 		--includedir=$(srcdir) \
 		--includedir=$(builddir) \
 		--includedir=`$(PKG_CONFIG) --variable=girdir gstreamer-0.10` \
diff --git a/gst-libs/gst/audio/Makefile.am b/gst-libs/gst/audio/Makefile.am
index 441168330b..b449e24aab 100644
--- a/gst-libs/gst/audio/Makefile.am
+++ b/gst-libs/gst/audio/Makefile.am
@@ -101,7 +101,8 @@ typelibsdir = $(libdir)/girepository-1.0/
 typelibs_DATA = $(BUILT_GIRSOURCES:.gir=.typelib)
 
 %.typelib: %.gir $(INTROSPECTION_COMPILER)
-	$(AM_V_GEN)$(INTROSPECTION_COMPILER) \
+	$(AM_V_GEN)PKG_CONFIG_PATH="$(GST_PKG_CONFIG_PATH)" \
+		$(INTROSPECTION_COMPILER) \
 		--includedir=$(srcdir) \
 		--includedir=$(builddir) \
 		--includedir=$(builddir)/../interfaces \
diff --git a/gst-libs/gst/cdda/Makefile.am b/gst-libs/gst/cdda/Makefile.am
index 31bae21ac1..5985c84d18 100644
--- a/gst-libs/gst/cdda/Makefile.am
+++ b/gst-libs/gst/cdda/Makefile.am
@@ -54,7 +54,8 @@ typelibsdir = $(libdir)/girepository-1.0/
 typelibs_DATA = $(BUILT_GIRSOURCES:.gir=.typelib)
 
 %.typelib: %.gir $(INTROSPECTION_COMPILER)
-	$(AM_V_GEN)$(INTROSPECTION_COMPILER) \
+	$(AM_V_GEN)PKG_CONFIG_PATH="$(GST_PKG_CONFIG_PATH)" \
+		$(INTROSPECTION_COMPILER) \
 		--includedir=$(srcdir) \
 		--includedir=$(builddir) \
 		--includedir=$(builddir)/../tag \
diff --git a/gst-libs/gst/fft/Makefile.am b/gst-libs/gst/fft/Makefile.am
index 046d4d9ba8..bf14e55ee4 100644
--- a/gst-libs/gst/fft/Makefile.am
+++ b/gst-libs/gst/fft/Makefile.am
@@ -77,7 +77,8 @@ typelibsdir = $(libdir)/girepository-1.0/
 typelibs_DATA = $(BUILT_GIRSOURCES:.gir=.typelib)
 
 %.typelib: %.gir $(INTROSPECTION_COMPILER)
-	$(AM_V_GEN)$(INTROSPECTION_COMPILER) \
+	$(AM_V_GEN)PKG_CONFIG_PATH="$(GST_PKG_CONFIG_PATH)" \
+		$(INTROSPECTION_COMPILER) \
 		--includedir=$(srcdir) \
 		--includedir=$(builddir) \
 		--includedir=`$(PKG_CONFIG) --variable=girdir gstreamer-0.10` \
diff --git a/gst-libs/gst/interfaces/Makefile.am b/gst-libs/gst/interfaces/Makefile.am
index e262448128..eca6a805a5 100644
--- a/gst-libs/gst/interfaces/Makefile.am
+++ b/gst-libs/gst/interfaces/Makefile.am
@@ -108,7 +108,8 @@ typelibsdir = $(libdir)/girepository-1.0/
 typelibs_DATA = $(BUILT_GIRSOURCES:.gir=.typelib)
 
 %.typelib: %.gir $(INTROSPECTION_COMPILER)
-	$(AM_V_GEN)$(INTROSPECTION_COMPILER) \
+	$(AM_V_GEN)PKG_CONFIG_PATH="$(GST_PKG_CONFIG_PATH)" \
+		$(INTROSPECTION_COMPILER) \
 		--includedir=$(srcdir) \
 		--includedir=$(builddir) \
 		--includedir=`$(PKG_CONFIG) --variable=girdir gstreamer-0.10` \
diff --git a/gst-libs/gst/netbuffer/Makefile.am b/gst-libs/gst/netbuffer/Makefile.am
index 5a78b9d11b..9f70a396a2 100644
--- a/gst-libs/gst/netbuffer/Makefile.am
+++ b/gst-libs/gst/netbuffer/Makefile.am
@@ -42,7 +42,8 @@ typelibsdir = $(libdir)/girepository-1.0/
 typelibs_DATA = $(BUILT_GIRSOURCES:.gir=.typelib)
 
 %.typelib: %.gir $(INTROSPECTION_COMPILER)
-	$(AM_V_GEN)$(INTROSPECTION_COMPILER) \
+	$(AM_V_GEN)PKG_CONFIG_PATH="$(GST_PKG_CONFIG_PATH)" \
+		$(INTROSPECTION_COMPILER) \
 		--includedir=$(srcdir) \
 		--includedir=$(builddir) \
 		--includedir=`$(PKG_CONFIG) --variable=girdir gstreamer-0.10` \
diff --git a/gst-libs/gst/pbutils/Makefile.am b/gst-libs/gst/pbutils/Makefile.am
index fea84c46d4..82a10bf795 100644
--- a/gst-libs/gst/pbutils/Makefile.am
+++ b/gst-libs/gst/pbutils/Makefile.am
@@ -105,7 +105,8 @@ typelibsdir = $(libdir)/girepository-1.0/
 typelibs_DATA = $(BUILT_GIRSOURCES:.gir=.typelib)
 
 %.typelib: %.gir $(INTROSPECTION_COMPILER)
-	$(AM_V_GEN)$(INTROSPECTION_COMPILER) \
+	$(AM_V_GEN)PKG_CONFIG_PATH="$(GST_PKG_CONFIG_PATH)" \
+		$(INTROSPECTION_COMPILER) \
 		--includedir=$(srcdir) \
 		--includedir=$(srcdir)/../video \
 		--includedir=$(builddir) \
diff --git a/gst-libs/gst/riff/Makefile.am b/gst-libs/gst/riff/Makefile.am
index 879f980993..5da50d63fc 100644
--- a/gst-libs/gst/riff/Makefile.am
+++ b/gst-libs/gst/riff/Makefile.am
@@ -61,7 +61,8 @@ typelibsdir = $(libdir)/girepository-1.0/
 typelibs_DATA = $(BUILT_GIRSOURCES:.gir=.typelib)
 
 %.typelib: %.gir $(INTROSPECTION_COMPILER)
-	$(AM_V_GEN)$(INTROSPECTION_COMPILER) \
+	$(AM_V_GEN)PKG_CONFIG_PATH="$(GST_PKG_CONFIG_PATH)" \
+		$(INTROSPECTION_COMPILER) \
 		--includedir=$(srcdir) \
 		--includedir=$(builddir) \
 		--includedir=$(builddir)/../tag \
diff --git a/gst-libs/gst/rtp/Makefile.am b/gst-libs/gst/rtp/Makefile.am
index 9c983664b4..36a423ae66 100644
--- a/gst-libs/gst/rtp/Makefile.am
+++ b/gst-libs/gst/rtp/Makefile.am
@@ -57,7 +57,8 @@ typelibsdir = $(libdir)/girepository-1.0/
 typelibs_DATA = $(BUILT_GIRSOURCES:.gir=.typelib)
 
 %.typelib: %.gir $(INTROSPECTION_COMPILER)
-	$(AM_V_GEN)$(INTROSPECTION_COMPILER) \
+	$(AM_V_GEN)PKG_CONFIG_PATH="$(GST_PKG_CONFIG_PATH)" \
+		$(INTROSPECTION_COMPILER) \
 		--includedir=$(srcdir) \
 		--includedir=$(builddir) \
 		--includedir=`$(PKG_CONFIG) --variable=girdir gstreamer-0.10` \
diff --git a/gst-libs/gst/rtsp/Makefile.am b/gst-libs/gst/rtsp/Makefile.am
index 65777a7397..87a2ecd7fd 100644
--- a/gst-libs/gst/rtsp/Makefile.am
+++ b/gst-libs/gst/rtsp/Makefile.am
@@ -90,7 +90,8 @@ typelibsdir = $(libdir)/girepository-1.0/
 typelibs_DATA = $(BUILT_GIRSOURCES:.gir=.typelib)
 
 %.typelib: %.gir $(INTROSPECTION_COMPILER)
-	$(AM_V_GEN)$(INTROSPECTION_COMPILER) \
+	$(AM_V_GEN)PKG_CONFIG_PATH="$(GST_PKG_CONFIG_PATH)" \
+		$(INTROSPECTION_COMPILER) \
 		--includedir=$(srcdir) \
 		--includedir=$(builddir) \
 		--includedir=$(builddir)/../sdp \
diff --git a/gst-libs/gst/sdp/Makefile.am b/gst-libs/gst/sdp/Makefile.am
index b122f2fc9d..fd8017e98a 100644
--- a/gst-libs/gst/sdp/Makefile.am
+++ b/gst-libs/gst/sdp/Makefile.am
@@ -45,7 +45,8 @@ typelibsdir = $(libdir)/girepository-1.0/
 typelibs_DATA = $(BUILT_GIRSOURCES:.gir=.typelib)
 
 %.typelib: %.gir $(INTROSPECTION_COMPILER)
-	$(AM_V_GEN)$(INTROSPECTION_COMPILER) \
+	$(AM_V_GEN)PKG_CONFIG_PATH="$(GST_PKG_CONFIG_PATH)" \
+		$(INTROSPECTION_COMPILER) \
 		--includedir=$(srcdir) \
 		--includedir=$(builddir) \
 		--includedir=`$(PKG_CONFIG) --variable=girdir gstreamer-0.10` \
diff --git a/gst-libs/gst/tag/Makefile.am b/gst-libs/gst/tag/Makefile.am
index aac1c13d09..9e82463703 100644
--- a/gst-libs/gst/tag/Makefile.am
+++ b/gst-libs/gst/tag/Makefile.am
@@ -54,7 +54,8 @@ typelibsdir = $(libdir)/girepository-1.0/
 typelibs_DATA = $(BUILT_GIRSOURCES:.gir=.typelib)
 
 %.typelib: %.gir $(INTROSPECTION_COMPILER)
-	$(AM_V_GEN)$(INTROSPECTION_COMPILER) \
+	$(AM_V_GEN)PKG_CONFIG_PATH="$(GST_PKG_CONFIG_PATH)" \
+		$(INTROSPECTION_COMPILER) \
 		--includedir=$(srcdir) \
 		--includedir=$(builddir) \
 		--includedir=`$(PKG_CONFIG) --variable=girdir gstreamer-0.10` \
diff --git a/gst-libs/gst/video/Makefile.am b/gst-libs/gst/video/Makefile.am
index 8a9019cb60..26d5d1b347 100644
--- a/gst-libs/gst/video/Makefile.am
+++ b/gst-libs/gst/video/Makefile.am
@@ -68,7 +68,8 @@ typelibsdir = $(libdir)/girepository-1.0/
 typelibs_DATA = $(BUILT_GIRSOURCES:.gir=.typelib)
 
 %.typelib: %.gir $(INTROSPECTION_COMPILER)
-	$(AM_V_GEN)$(INTROSPECTION_COMPILER) \
+	$(AM_V_GEN)PKG_CONFIG_PATH="$(GST_PKG_CONFIG_PATH)" \
+		$(INTROSPECTION_COMPILER) \
 		--includedir=$(srcdir) \
 		--includedir=$(builddir) \
 		--includedir=`$(PKG_CONFIG) --variable=girdir gstreamer-0.10` \