diff --git a/Android.mk b/Android.mk
index 5fe3a68..2d3c1ff 100644
--- a/Android.mk
+++ b/Android.mk
@@ -9,6 +9,8 @@
         $(LOCAL_PATH)/cxcore/include
 LOCAL_CFLAGS := $(LOCAL_C_INCLUDES:%=-I%)
 
+LOCAL_CFLAGS += -Wno-unused-parameter
+
 # cxmathfuncs.cpp has implicit cast of int struct fields.
 LOCAL_CLANG_CFLAGS += -Wno-c++11-narrowing
 
@@ -59,6 +61,11 @@
         $(LOCAL_PATH)/cv/include
 LOCAL_CFLAGS := $(LOCAL_C_INCLUDES:%=-I%)
 
+LOCAL_CFLAGS += -Wno-sizeof-pointer-memaccess \
+       -Wno-deprecated-register \
+       -Wno-sign-compare \
+       -Wno-parentheses-equality
+
 LOCAL_SRC_FILES := \
         cv/src/cvaccum.cpp \
         cv/src/cvadapthresh.cpp \
@@ -140,6 +147,13 @@
         $(LOCAL_PATH)/cvaux/include
 LOCAL_CFLAGS := $(LOCAL_C_INCLUDES:%=-I%)
 
+LOCAL_CFLAGS += -Wno-unused-parameter \
+        -Wno-logical-op-parentheses \
+        -Wno-dangling-else \
+        -Wno-missing-field-initializers \
+        -Wno-self-assign \
+        -Wno-sizeof-pointer-memaccess
+
 LOCAL_SRC_FILES := \
         cvaux/src/camshift.cpp \
         cvaux/src/cvaux.cpp \
@@ -203,6 +217,9 @@
         $(LOCAL_PATH)/ml/include
 LOCAL_CFLAGS := $(LOCAL_C_INCLUDES:%=-I%)
 
+LOCAL_CFLAGS += -Wno-logical-op-parentheses \
+       -Wno-tautological-compare
+
 LOCAL_SRC_FILES := \
         ml/src/ml.cpp \
         ml/src/mlann_mlp.cpp \
@@ -237,6 +254,8 @@
 
 LOCAL_CFLAGS := $(LOCAL_C_INCLUDES:%=-I%) -DHAVE_JPEG
 
+LOCAL_CFLAGS += -Wno-unused-parameter -Wno-logical-op-parentheses
+
 # grfmt_tiff.cpp has implicit cast of int struct fields.
 LOCAL_CLANG_CFLAGS += -Wno-c++11-narrowing
 
diff --git a/cvaux/src/cvtexture.cpp b/cvaux/src/cvtexture.cpp
index 434baaf..0229161 100644
--- a/cvaux/src/cvtexture.cpp
+++ b/cvaux/src/cvtexture.cpp
@@ -515,8 +515,8 @@
         correlationStdDeviation += (actualSideLoop1-correlationMean) * (actualSideLoop1-correlationMean) * sideEntryValueSum;
     }
 
-    HXY1 =- HXY1;
-    HXY2 =- HXY2;
+    HXY1 = -HXY1;
+    HXY2 = -HXY2;
 
     descriptors[ CV_GLCMDESC_CORRELATIONINFO1 ] = ( HXY - HXY1 ) / ( correlationMean );
     descriptors[ CV_GLCMDESC_CORRELATIONINFO2 ] = sqrt( 1.0 - exp( -2.0 * (HXY2 - HXY ) ) );