diff --git a/package/ccid/Config.in b/package/ccid/Config.in
index c9b77d1..7e4bd70 100644
--- a/package/ccid/Config.in
+++ b/package/ccid/Config.in
@@ -2,11 +2,11 @@ config BR2_PACKAGE_CCID
 	bool "ccid"
 	select BR2_PACKAGE_PCSC_LITE
 	select BR2_PACKAGE_LIBUSB
-	depends on BR2_TOOLCHAIN_HAS_THREADS # libusb
+	depends on !BR2_avr32 && BR2_TOOLCHAIN_HAS_THREADS # libusb
 	help
 	  PC/SC driver for USB CCID smart card readers
 
 	  http://pcsclite.alioth.debian.org/ccid.html
 
 comment "ccid needs a toolchain with thread support"
-	depends on !BR2_TOOLCHAIN_HAS_THREADS
+	depends on !BR2_TOOLCHAIN_HAS_THREADS && !BR2_avr32
diff --git a/package/efl/libedbus/Config.in b/package/efl/libedbus/Config.in
index 985939e..a8a9e14 100644
--- a/package/efl/libedbus/Config.in
+++ b/package/efl/libedbus/Config.in
@@ -15,6 +15,7 @@ if BR2_PACKAGE_LIBEDBUS
 
 config BR2_PACKAGE_LIBEDBUS_BLUEZ
 	bool "bluez support"
+	depends on !BR2_avr32 # libusb
 	select BR2_PACKAGE_BLUEZ_UTILS
 	help
 	  Bluetooth support.
diff --git a/package/libfreefare/Config.in b/package/libfreefare/Config.in
index 6877000..930b0e3 100644
--- a/package/libfreefare/Config.in
+++ b/package/libfreefare/Config.in
@@ -1,6 +1,6 @@
 config BR2_PACKAGE_LIBFREEFARE
 	bool "libfreefare"
-	depends on BR2_TOOLCHAIN_HAS_THREADS # libusb
+	depends on !BR2_avr32 && BR2_TOOLCHAIN_HAS_THREADS # libusb
 	select BR2_PACKAGE_OPENSSL
 	select BR2_PACKAGE_LIBNFC
 	help
@@ -9,4 +9,4 @@ config BR2_PACKAGE_LIBFREEFARE
 	  http://code.google.com/p/nfc-tools/wiki/libfreefare
 
 comment "libfreefare needs a toolchain with thread support"
-	depends on !BR2_TOOLCHAIN_HAS_THREADS
+	depends on !BR2_TOOLCHAIN_HAS_THREADS && !BR2_avr32
diff --git a/package/libftdi/Config.in b/package/libftdi/Config.in
index 48e9ceb..4a12af0 100644
--- a/package/libftdi/Config.in
+++ b/package/libftdi/Config.in
@@ -1,6 +1,6 @@
 config BR2_PACKAGE_LIBFTDI
 	bool "libftdi"
-	depends on BR2_TOOLCHAIN_HAS_THREADS # libusb
+	depends on !BR2_avr32 && BR2_TOOLCHAIN_HAS_THREADS # libusb
 	select BR2_PACKAGE_LIBUSB
 	select BR2_PACKAGE_LIBUSB_COMPAT
 	help
@@ -19,4 +19,4 @@ config BR2_PACKAGE_LIBTFDI_CPP
 endif # BR2_PACKAGE_LIBFTDI
 
 comment "libftdi needs a toolchain with thread support"
-	depends on !BR2_TOOLCHAIN_HAS_THREADS
+	depends on !BR2_TOOLCHAIN_HAS_THREADS && !BR2_avr32
diff --git a/package/libhid/Config.in b/package/libhid/Config.in
index bd1cfcb..f0bfc52 100644
--- a/package/libhid/Config.in
+++ b/package/libhid/Config.in
@@ -1,7 +1,6 @@
 config BR2_PACKAGE_LIBHID
 	bool "libhid"
-	depends on BR2_TOOLCHAIN_HAS_THREADS # libusb
-	depends on !BR2_avr32 # timerfd not in uClibc-0.9.31
+	depends on !BR2_avr32 && BR2_TOOLCHAIN_HAS_THREADS # libusb
 	select BR2_PACKAGE_LIBUSB
 	select BR2_PACKAGE_LIBUSB_COMPAT
 	help
diff --git a/package/libiqrf/Config.in b/package/libiqrf/Config.in
index 7222536..590913c 100644
--- a/package/libiqrf/Config.in
+++ b/package/libiqrf/Config.in
@@ -1,6 +1,6 @@
 config BR2_PACKAGE_LIBIQRF
 	bool "libiqrf"
-	depends on BR2_TOOLCHAIN_HAS_THREADS # libusb
+	depends on !BR2_avr32 && BR2_TOOLCHAIN_HAS_THREADS # libusb
 	select BR2_PACKAGE_LIBUSB
 	help
 	  This library implement specific protocol
@@ -11,4 +11,4 @@ config BR2_PACKAGE_LIBIQRF
 	  https://github.com/nandra/libiqrf
 
 comment "libiqrf needs a toolchain with thread support"
-	depends on !BR2_TOOLCHAIN_HAS_THREADS
+	depends on !BR2_TOOLCHAIN_HAS_THREADS && !BR2_avr32
diff --git a/package/libnfc-llcp/Config.in b/package/libnfc-llcp/Config.in
index f557926..efa2e31 100644
--- a/package/libnfc-llcp/Config.in
+++ b/package/libnfc-llcp/Config.in
@@ -1,9 +1,12 @@
 config BR2_PACKAGE_LIBNFC_LLCP
 	bool "libnfc-llcp"
-	depends on BR2_TOOLCHAIN_HAS_THREADS # libusb
+	depends on !BR2_avr32 && BR2_TOOLCHAIN_HAS_THREADS # libusb
 	select BR2_PACKAGE_LIBNFC
 	help
 	  Library extending libnfc with support for Logical Link Control
 	  Protocol.
 
 	  http://code.google.com/p/nfc-tools/source/browse/trunk/libnfc-llcp/
+
+comment "libnfc-llcp needs a toolchain with thread support"
+	depends on !BR2_TOOLCHAIN_HAS_THREADS && !BR2_avr32
diff --git a/package/libnfc/Config.in b/package/libnfc/Config.in
index 159578f..8249294 100644
--- a/package/libnfc/Config.in
+++ b/package/libnfc/Config.in
@@ -1,6 +1,6 @@
 config BR2_PACKAGE_LIBNFC
 	bool "libnfc"
-	depends on BR2_TOOLCHAIN_HAS_THREADS # libusb
+	depends on !BR2_avr32 && BR2_TOOLCHAIN_HAS_THREADS # libusb
 	select BR2_PACKAGE_LIBUSB
 	select BR2_PACKAGE_LIBUSB_COMPAT
 	help
@@ -14,4 +14,4 @@ config BR2_PACKAGE_LIBNFC_EXAMPLES
 	select BR2_PACKAGE_READLINE
 
 comment "libnfc needs a toolchain with thread support"
-	depends on !BR2_TOOLCHAIN_HAS_THREADS
+	depends on !BR2_TOOLCHAIN_HAS_THREADS && !BR2_avr32
diff --git a/package/libusb/Config.in b/package/libusb/Config.in
index 2eed3fa..cbaeac6 100644
--- a/package/libusb/Config.in
+++ b/package/libusb/Config.in
@@ -1,5 +1,6 @@
 config BR2_PACKAGE_LIBUSB
 	bool "libusb"
+	depends on !BR2_avr32 # timerfd not in uClibc-0.9.31
 	depends on BR2_TOOLCHAIN_HAS_THREADS
 	help
 	  Userspace library for accessing USB devices
@@ -7,4 +8,4 @@ config BR2_PACKAGE_LIBUSB
 	  http://libusb.sourceforge.net/
 
 comment "libusb needs a toolchain with thread support"
-	depends on !BR2_TOOLCHAIN_HAS_THREADS
+	depends on !BR2_TOOLCHAIN_HAS_THREADS && !BR2_avr32
diff --git a/package/openocd/Config.in b/package/openocd/Config.in
index 4ea66a5..6ef50a7 100644
--- a/package/openocd/Config.in
+++ b/package/openocd/Config.in
@@ -1,6 +1,6 @@
 config BR2_PACKAGE_OPENOCD
 	bool "openocd"
-	depends on BR2_TOOLCHAIN_HAS_THREADS # libusb
+	depends on !BR2_avr32 && BR2_TOOLCHAIN_HAS_THREADS # libusb
 	select BR2_PACKAGE_LIBUSB
 	select BR2_PACKAGE_LIBUSB_COMPAT
 	help
@@ -30,4 +30,4 @@ config BR2_PACKAGE_OPENOCD_VSLLINK
 endif # BR2_PACKAGE_OPENOCD
 
 comment "openocd needs a toolchain with thread support"
-	depends on !BR2_TOOLCHAIN_HAS_THREADS
+	depends on !BR2_TOOLCHAIN_HAS_THREADS && !BR2_avr32
diff --git a/package/pcsc-lite/Config.in b/package/pcsc-lite/Config.in
index 621cc66..26aa33c 100644
--- a/package/pcsc-lite/Config.in
+++ b/package/pcsc-lite/Config.in
@@ -11,6 +11,7 @@ if BR2_PACKAGE_PCSC_LITE
 config BR2_PACKAGE_PCSC_LITE_FORCE_LIBUSB
 	bool "use libusb"
 	depends on !BR2_PACKAGE_UDEV
+	depends on !BR2_avr32 # libusb
 	select BR2_PACKAGE_LIBUSB
 	help
 	  Select Y if you want to support usb smart card readers.
diff --git a/package/python-nfc/Config.in b/package/python-nfc/Config.in
index c928ba1..9b5555c 100644
--- a/package/python-nfc/Config.in
+++ b/package/python-nfc/Config.in
@@ -1,9 +1,13 @@
 config BR2_PACKAGE_PYTHON_NFC
 	bool "python-nfc"
 	depends on BR2_PACKAGE_PYTHON
+	depends on !BR2_avr32 && BR2_TOOLCHAIN_HAS_THREADS # libusb
 	select BR2_PACKAGE_LIBUSB
 	select BR2_PACKAGE_LIBUSB_COMPAT
 	help
 	  Python module for near field communication.
 
 	  https://launchpad.net/nfcpy
+
+comment "python-nfc needs a toolchain with thread support"
+	depends on BR2_PACKAGE_PYTHON && !BR2_TOOLCHAIN_HAS_THREADS && !BR2_avr32
diff --git a/package/sconeserver/Config.in b/package/sconeserver/Config.in
index a7e5c75..023219b 100644
--- a/package/sconeserver/Config.in
+++ b/package/sconeserver/Config.in
@@ -38,6 +38,8 @@ config BR2_PACKAGE_SCONESERVER_MYSQL
 
 config BR2_PACKAGE_SCONESERVER_BLUETOOTH
 	bool "bluetooth"
+	depends on !BR2_avr32 && BR2_USE_WCHAR && \
+		BR2_TOOLCHAIN_HAS_THREADS # bluez-utils
 	select BR2_PACKAGE_BLUEZ_UTILS
 	help
 	  Bluetooth module for Sconeserver
diff --git a/package/usb_modeswitch/Config.in b/package/usb_modeswitch/Config.in
index a27b3ee..83e7fd8 100644
--- a/package/usb_modeswitch/Config.in
+++ b/package/usb_modeswitch/Config.in
@@ -1,6 +1,6 @@
 config BR2_PACKAGE_USB_MODESWITCH
 	bool "usb_modeswitch"
-	depends on BR2_TOOLCHAIN_HAS_THREADS # libusb
+	depends on !BR2_avr32 && BR2_TOOLCHAIN_HAS_THREADS # libusb
 	select BR2_PACKAGE_LIBUSB
 	select BR2_PACKAGE_LIBUSB_COMPAT
 	help
@@ -10,4 +10,4 @@ config BR2_PACKAGE_USB_MODESWITCH
 	  http://www.draisberghof.de/usb_modeswitch/
 
 comment "usb_modeswitch needs a toolchain with thread support"
-	depends on !BR2_TOOLCHAIN_HAS_THREADS
+	depends on !BR2_TOOLCHAIN_HAS_THREADS && !BR2_avr32
diff --git a/package/usb_modeswitch_data/Config.in b/package/usb_modeswitch_data/Config.in
index 8698bb6..a3aa19f 100644
--- a/package/usb_modeswitch_data/Config.in
+++ b/package/usb_modeswitch_data/Config.in
@@ -1,5 +1,6 @@
 config BR2_PACKAGE_USB_MODESWITCH_DATA
 	bool "usb_modeswitch_data"
+	depends on !BR2_avr32 && BR2_TOOLCHAIN_HAS_THREADS # libusb
 	select BR2_PACKAGE_USB_MODESWITCH
 	# tcl is a runtime dependency
 	select BR2_PACKAGE_TCL
@@ -10,3 +11,6 @@ config BR2_PACKAGE_USB_MODESWITCH_DATA
 	  function automatically
 
 	  http://www.draisberghof.de/usb_modeswitch/
+
+comment "usb_modeswitch_data needs a toolchain with thread support"
+	depends on !BR2_TOOLCHAIN_HAS_THREADS && !BR2_avr32
diff --git a/package/usbutils/Config.in b/package/usbutils/Config.in
index fd9926c..a35d4db 100644
--- a/package/usbutils/Config.in
+++ b/package/usbutils/Config.in
@@ -1,6 +1,6 @@
 config BR2_PACKAGE_USBUTILS
 	bool "usbutils"
-	depends on BR2_TOOLCHAIN_HAS_THREADS # libusb
+	depends on !BR2_avr32 && BR2_TOOLCHAIN_HAS_THREADS # libusb
 	select BR2_PACKAGE_LIBUSB
 	help
 	  USB enumeration utilities
@@ -18,4 +18,4 @@ config BR2_PACKAGE_USBUTILS_ZLIB
 	  to decompress the file every time it's run.
 
 comment "usbutils needs a toolchain with thread support"
-	depends on !BR2_TOOLCHAIN_HAS_THREADS
+	depends on !BR2_TOOLCHAIN_HAS_THREADS && !BR2_avr32
