diff --git a/libs/utils/Android.mk b/libs/utils/Android.mk
index 638f72f..831d9e3 100644
--- a/libs/utils/Android.mk
+++ b/libs/utils/Android.mk
@@ -71,6 +71,10 @@
 endif
 endif
 
+ifeq ($(TARGET_OS),linux)
+LOCAL_LDLIBS += -lrt -ldl
+endif
+
 include $(BUILD_HOST_STATIC_LIBRARY)
 
 
diff --git a/tools/aapt/Android.mk b/tools/aapt/Android.mk
index a3e5d9a..cb55a9c 100644
--- a/tools/aapt/Android.mk
+++ b/tools/aapt/Android.mk
@@ -44,7 +44,7 @@
 	libpng
 
 ifeq ($(HOST_OS),linux)
-LOCAL_LDLIBS += -lrt -lpthread
+LOCAL_LDLIBS += -lrt -ldl -lpthread
 endif
 
 # Statically link libz for MinGW (Win SDK under Linux),
diff --git a/tools/localize/Android.mk b/tools/localize/Android.mk
index f284e86..5ec9feb 100644
--- a/tools/localize/Android.mk
+++ b/tools/localize/Android.mk
@@ -34,7 +34,7 @@
 	libcutils
     
 ifeq ($(HOST_OS),linux)
-LOCAL_LDLIBS += -lrt -lpthread
+LOCAL_LDLIBS += -lrt -ldl -lpthread
 endif
 
 
diff --git a/tools/obbtool/Android.mk b/tools/obbtool/Android.mk
index d118bd7..72a9858 100644
--- a/tools/obbtool/Android.mk
+++ b/tools/obbtool/Android.mk
@@ -22,7 +22,7 @@
 	libcutils
 
 ifeq ($(HOST_OS),linux)
-LOCAL_LDLIBS += -lpthread
+LOCAL_LDLIBS += -ldl -lpthread
 endif
 
 LOCAL_MODULE := obbtool
diff --git a/tools/validatekeymaps/Android.mk b/tools/validatekeymaps/Android.mk
index 90979e1..1368a07 100644
--- a/tools/validatekeymaps/Android.mk
+++ b/tools/validatekeymaps/Android.mk
@@ -23,7 +23,7 @@
 	libcutils
 
 ifeq ($(HOST_OS),linux)
-LOCAL_LDLIBS += -lpthread
+LOCAL_LDLIBS += -ldl -lpthread
 endif
 
 LOCAL_MODULE := validatekeymaps