diff --git a/src/Makefile.am b/src/Makefile.am
index 51abce50a..92a36a1d3 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -20,6 +20,7 @@ AM_CPPFLAGS = \
 	-I$(top_srcdir)/lib/xmltree \
 	-I$(top_srcdir)/lib/libmd5sum \
 	-I$(top_srcdir)/lib/libupnpclient \
+	@SIGC_CFLAGS@ \
 	@FREETYPE_CFLAGS@ \
 	@HWLIB_CFLAGS@
 
diff --git a/src/daemonc/Makefile.am b/src/daemonc/Makefile.am
index e378ac2aa..bffd7992b 100644
--- a/src/daemonc/Makefile.am
+++ b/src/daemonc/Makefile.am
@@ -10,6 +10,7 @@ AM_CPPFLAGS += \
 	-I$(top_srcdir)/lib/libconfigfile \
 	-I$(top_srcdir)/lib/libnet \
 	-I$(top_srcdir)/lib/xmltree \
+	@SIGC_CFLAGS@ \
 	@FREETYPE_CFLAGS@ \
 	@HWLIB_CFLAGS@
 
diff --git a/src/driver/Makefile.am b/src/driver/Makefile.am
index 060ec6aaf..cd96e9f66 100644
--- a/src/driver/Makefile.am
+++ b/src/driver/Makefile.am
@@ -12,6 +12,7 @@ AM_CPPFLAGS = \
 	-I$(top_srcdir)/lib/libconfigfile \
 	-I$(top_srcdir)/lib/connection \
 	-I$(top_srcdir)/lib/libeventserver \
+	@SIGC_CFLAGS@ \
 	@FREETYPE_CFLAGS@ \
 	@HWLIB_CFLAGS@
 
diff --git a/src/driver/audiodec/Makefile.am b/src/driver/audiodec/Makefile.am
index fe2691f3b..bf001bbc4 100644
--- a/src/driver/audiodec/Makefile.am
+++ b/src/driver/audiodec/Makefile.am
@@ -8,6 +8,7 @@ AM_CPPFLAGS = \
 	-I$(top_srcdir)/lib \
 	-I$(top_srcdir)/src/zapit/include \
 	-I$(top_srcdir)/lib/libconfigfile \
+	@SIGC_CFLAGS@ \
 	@FREETYPE_CFLAGS@ \
 	@HWLIB_CFLAGS@
 
diff --git a/src/driver/pictureviewer/Makefile.am b/src/driver/pictureviewer/Makefile.am
index 6a7f7e935..eac9fabea 100644
--- a/src/driver/pictureviewer/Makefile.am
+++ b/src/driver/pictureviewer/Makefile.am
@@ -7,6 +7,7 @@ AM_CPPFLAGS = \
 	-I$(top_srcdir)/src/zapit/include \
 	-I$(top_srcdir)/lib \
 	-I$(top_srcdir)/lib/libconfigfile \
+	@SIGC_CFLAGS@ \
 	@FREETYPE_CFLAGS@ \
 	@HWLIB_CFLAGS@
 
diff --git a/src/gui/Makefile.am b/src/gui/Makefile.am
index ffbb4ed13..ea21d5077 100644
--- a/src/gui/Makefile.am
+++ b/src/gui/Makefile.am
@@ -27,6 +27,7 @@ AM_CPPFLAGS += \
 	-I$(top_srcdir)/lib/connection \
 	-I$(top_srcdir)/lib/xmltree \
 	-I$(top_srcdir)/lib/libupnpclient \
+	@SIGC_CFLAGS@ \
 	@CURL_CFLAGS@ \
 	@LUA_CFLAGS@ \
 	@FREETYPE_CFLAGS@ \
diff --git a/src/gui/bedit/Makefile.am b/src/gui/bedit/Makefile.am
index ac6c1fded..1aaed9a3d 100644
--- a/src/gui/bedit/Makefile.am
+++ b/src/gui/bedit/Makefile.am
@@ -9,6 +9,7 @@ AM_CPPFLAGS += \
 	-I$(top_srcdir)/lib/libeventserver \
 	-I$(top_srcdir)/lib/libconfigfile \
 	-I$(top_srcdir)/lib/xmltree \
+	@SIGC_CFLAGS@ \
 	@FREETYPE_CFLAGS@ \
 	@HWLIB_CFLAGS@
 
diff --git a/src/gui/components/Makefile.am b/src/gui/components/Makefile.am
index a1ac63f09..24287a97f 100644
--- a/src/gui/components/Makefile.am
+++ b/src/gui/components/Makefile.am
@@ -9,6 +9,7 @@ AM_CPPFLAGS += \
 	-I$(top_srcdir)/lib/libeventserver \
 	-I$(top_srcdir)/lib/libconfigfile \
 	-I$(top_srcdir)/lib/xmltree \
+	@SIGC_CFLAGS@ \
 	@FREETYPE_CFLAGS@ \
 	@HWLIB_CFLAGS@
 
diff --git a/src/gui/widget/Makefile.am b/src/gui/widget/Makefile.am
index 8e345c9d7..be8f4f7a9 100644
--- a/src/gui/widget/Makefile.am
+++ b/src/gui/widget/Makefile.am
@@ -8,6 +8,7 @@ AM_CPPFLAGS += \
 	-I$(top_srcdir)/lib \
 	-I$(top_srcdir)/lib/libnet \
 	-I$(top_srcdir)/lib/libconfigfile \
+	@SIGC_CFLAGS@ \
 	@FREETYPE_CFLAGS@ \
 	@HWLIB_CFLAGS@
 
diff --git a/src/nhttpd/tuxboxapi/coolstream/Makefile.am b/src/nhttpd/tuxboxapi/coolstream/Makefile.am
index 3c8da5f03..7e5457d1c 100644
--- a/src/nhttpd/tuxboxapi/coolstream/Makefile.am
+++ b/src/nhttpd/tuxboxapi/coolstream/Makefile.am
@@ -13,6 +13,7 @@ AM_CPPFLAGS += \
 	-I$(top_srcdir)/lib/libeventserver \
 	-I$(top_srcdir)/lib/libconfigfile \
 	-I$(top_srcdir)/lib/xmltree \
+	@SIGC_CFLAGS@ \
 	@FREETYPE_CFLAGS@ \
 	@HWLIB_CFLAGS@
 
diff --git a/src/system/Makefile.am b/src/system/Makefile.am
index 47b9ff718..0f1d64dc1 100644
--- a/src/system/Makefile.am
+++ b/src/system/Makefile.am
@@ -16,6 +16,7 @@ AM_CPPFLAGS = \
 	-I$(top_srcdir)/lib/libconfigfile \
 	-I$(top_srcdir)/lib/libmd5sum \
 	-I$(top_srcdir)/lib/xmltree \
+	@SIGC_CFLAGS@ \
 	@FREETYPE_CFLAGS@ \
 	@HWLIB_CFLAGS@