diff --git a/android/external/MakefileTemplate b/android/external/MakefileTemplate
index 535bca0..3c93871 100644
--- a/android/external/MakefileTemplate
+++ b/android/external/MakefileTemplate
@@ -32,18 +32,17 @@ LOCAL := $(DESTDIR)$(prefix)
 
 PATH := ${PATH}:$(NDK_TOOLCHAIN)/bin:$(LOCAL)/bin
 
-NDK_SYSROOT=$(ANDROID_NDK_HOME)/sysroot
-
 HOST = [HOST]
 NDK_TOOLCHAIN = $([NDK_TOOLCHAIN_TARGET])-$(NDK_TOOLCHAIN_COMPILER)
+COMPILER_PREFIX = [COMPILER_PREFIX]
 
 # include Android's build flags
 TARGET_ARCH_ABI = $(APP_ABI)
 include $(ANDROID_NDK)/build/core/toolchains/$(NDK_TOOLCHAIN)/setup.mk
 
-CC := $(ANDROID_NDK_HOME)/bin/$(HOST)[EXTRA_FLAGS_API]-clang
-CXX := $(ANDROID_NDK_HOME)/bin/$(HOST)[EXTRA_FLAGS_API]-clang++
-AS := $(ANDROID_NDK_HOME)/bin/$(HOST)[EXTRA_FLAGS_API]-clang
+CC := $(ANDROID_NDK_HOME)/bin/$(COMPILER_PREFIX)$(ANDROID_API)-clang
+CXX := $(ANDROID_NDK_HOME)/bin/$(COMPILER_PREFIX)$(ANDROID_API)-clang++
+AS := $(CC)
 
 CFLAGS += -DANDROID -I$(LOCAL)/include $(TARGET_CFLAGS) -fPIE -fPIC -std=c99
 LDFLAGS += -llog -L$(LOCAL)/lib $(TARGET_LDFLAGS) -pie
@@ -65,9 +64,9 @@ export ac_cv_func_malloc_0_nonnull=yes
 
 showsetup:
 	@echo "NDK_TOOLCHAIN: $(NDK_TOOLCHAIN)"
-	@echo "NDK_SYSROOT: $(NDK_SYSROOT)"
 	@echo "APP_ABI: $(APP_ABI)"
 	@echo "HOST: $(HOST)"
+	@echo "COMPILER_PREFIX: $(COMPILER_PREFIX)"
 	@echo "CC: $(CC)"
 	@echo "LD: $(LD)"
 	@echo "CFLAGS: $(CFLAGS)"
diff --git a/android/external/createMakefile.sh b/android/external/createMakefile.sh
index c38dabc..a85850a 100644
--- a/android/external/createMakefile.sh
+++ b/android/external/createMakefile.sh
@@ -3,8 +3,8 @@
 #cd ~code/android/pEpJNIAdapter/external
 
 ARCH_DEST="$1"
-mkdir $ARCH_DEST
-cp MakefileTemplate $ARCH_DEST/Makefile
+mkdir "$ARCH_DEST"
+cp MakefileTemplate "$ARCH_DEST"/Makefile
 FILE_DEST=$ARCH_DEST/Makefile
 
 ################################################################################
@@ -15,6 +15,7 @@ case $ARCH_DEST in
  	x86)
  		ANDROID_API=18
  		HOST=i686-linux-android
+ 		COMPILER_PREFIX="$HOST"
  		NDK_TOOLCHAIN_TARGET="APP_ABI"
  		ARCH_DEBUG_CFLAGS=TARGET_x86_debug_CFLAGS
  		OPENSSL_ARCHITECTURE=android-x86
@@ -23,7 +24,7 @@ case $ARCH_DEST in
  	x86_64)
  		ANDROID_API=21
  		HOST=x86_64-linux-android
- 		EXTRA_FLAGS_API="\$(ANDROID_API)"
+ 		COMPILER_PREFIX="$HOST"
  		NDK_TOOLCHAIN_TARGET="APP_ABI"
  		ARCH_DEBUG_CFLAGS=TARGET_x86_64_debug_CFLAGS
  		OPENSSL_ARCHITECTURE=android-x86_64
@@ -32,6 +33,7 @@ case $ARCH_DEST in
  	armeabi-v7a)
  		ANDROID_API=18
  		HOST=arm-linux-androideabi
+ 		COMPILER_PREFIX=armv7a-linux-androideabi
  		NDK_TOOLCHAIN_TARGET="HOST"
  		ARCH_DEBUG_CFLAGS=TARGET_arm_debug_CFLAGS
  		OPENSSL_ARCHITECTURE=android-arm
@@ -40,6 +42,7 @@ case $ARCH_DEST in
  	arm64-v8a)
  		ANDROID_API=21
  		HOST=aarch64-linux-android
+ 		COMPILER_PREFIX="$HOST"
  		NDK_TOOLCHAIN_TARGET="HOST"
  		ARCH_DEBUG_CFLAGS=TARGET_arm64_debug_CFLAGS
  		OPENSSL_ARCHITECTURE=android-arm64
@@ -66,14 +69,14 @@ esac
 #              REPLACE FIELDS IN TEMPLATE                                      #
 ################################################################################
 
-$SED -i 's/\[ARCH\]/'"$ARCH_DEST"'/g' $FILE_DEST
-$SED -i 's/\[ANDROID_API\]/'"$ANDROID_API"'/g' $FILE_DEST
-$SED -i 's/\[HOST\]/'"$HOST"'/g' $FILE_DEST
-$SED -i 's/\[EXTRA_FLAGS_API\]/'"$EXTRA_FLAGS_API"'/g' $FILE_DEST
-$SED -i 's/\[NDK_TOOLCHAIN_TARGET\]/'"$NDK_TOOLCHAIN_TARGET"'/g' $FILE_DEST
-$SED -i 's/\[ARCH_DEBUG_CFLAGS\]/'"$ARCH_DEBUG_CFLAGS"'/g' $FILE_DEST
-$SED -i 's/\[OPENSSL_ARCHITECTURE\]/'"$OPENSSL_ARCHITECTURE"'/g' $FILE_DEST
-$SED -i 's/\[GMP_MAKEFILE_EXTRA\]/'"$GMP_MAKEFILE_EXTRA"'/g' $FILE_DEST
-$SED -i 's/\[SEQUOIA_ARCH\]/'"$SEQUOIA_ARCH"'/g' $FILE_DEST
+$SED -i 's/\[ARCH\]/'"$ARCH_DEST"'/g' "$FILE_DEST"
+$SED -i 's/\[ANDROID_API\]/'"$ANDROID_API"'/g' "$FILE_DEST"
+$SED -i 's/\[HOST\]/'"$HOST"'/g' "$FILE_DEST"
+$SED -i 's/\[COMPILER_PREFIX\]/'"$COMPILER_PREFIX"'/g' "$FILE_DEST"
+$SED -i 's/\[NDK_TOOLCHAIN_TARGET\]/'"$NDK_TOOLCHAIN_TARGET"'/g' "$FILE_DEST"
+$SED -i 's/\[ARCH_DEBUG_CFLAGS\]/'"$ARCH_DEBUG_CFLAGS"'/g' "$FILE_DEST"
+$SED -i 's/\[OPENSSL_ARCHITECTURE\]/'"$OPENSSL_ARCHITECTURE"'/g' "$FILE_DEST"
+$SED -i 's/\[GMP_MAKEFILE_EXTRA\]/'"$GMP_MAKEFILE_EXTRA"'/g' "$FILE_DEST"
+$SED -i 's/\[SEQUOIA_ARCH\]/'"$SEQUOIA_ARCH"'/g' "$FILE_DEST"
 
-cat $FILE_DEST
+cat "$FILE_DEST"
diff --git a/android/external/generate-standalone-ndk-toolchain.sh b/android/external/generate-standalone-ndk-toolchain.sh
deleted file mode 100755
index 487ff77..0000000
--- a/android/external/generate-standalone-ndk-toolchain.sh
+++ /dev/null
@@ -1,21 +0,0 @@
-#!/bin/bash
-usage="Usage: $(basename "$0") [-h][--force] -- Script to generate android standalone toolchain to build pEp for Android.
-
-where:
-    -h  Show this help text
-    --force  Force generating the toolchain"
-
-
-if [ "$1" == "-h" ]; then
-echo "$usage"
-    exit 0
-fi
-
-if [ -z "$ANDROID_NDK" ]; then
-    echo "Please define \$ANDROID_NDK"
-    exit 1
-fi
-
-$ANDROID_NDK/build/tools/make_standalone_toolchain.py $1 --arch arm --api 18 --install-dir=ndk-18-arm
-exit 0
-