diff --git a/.gitignore b/.gitignore
index 4ac71f64..8544a6b8 100644
--- a/.gitignore
+++ b/.gitignore
@@ -8,3 +8,4 @@ tools/*-android-toolchain
 tools/curl*
 tools/openssl*
 tools/protobuf*
+output/
diff --git a/tools/build-curl4android.sh b/tools/build-curl4android.sh
index 747ed7e5..2cf27239 100755
--- a/tools/build-curl4android.sh
+++ b/tools/build-curl4android.sh
@@ -16,17 +16,25 @@
 
 set -u
 
+SOURCE="$0"
+while [ -h "$SOURCE" ]; do
+    DIR="$( cd -P "$( dirname "$SOURCE" )" && pwd )"
+    SOURCE="$(readlink "$SOURCE")"
+    [[ $SOURCE != /* ]] && SOURCE="$DIR/$SOURCE"
+done
+pwd_path="$( cd -P "$( dirname "$SOURCE" )" && pwd )"
+
 source ./_shared.sh
 
 # Setup architectures, library name and other vars + cleanup from previous runs
-ARCHS=("android" "android-armv7" "android64-arm64" "android-x86" "android-x86_64" "mips" "mips64")
+ARCHS=("android" "android-armeabi" "android64-aarch64" "android-x86" "android64" "android-mips" "android-mips64")
 OUTNAME=("armeabi" "armeabi-v7a" "arm64-v8a" "x86" "x86_64" "mips" "mips64")
-TOOLS_ROOT=`pwd`
+TOOLS_ROOT="${pwd_path}"
 LIB_NAME="curl-7.51.0"
-LIB_DEST_DIR=${TOOLS_ROOT}/libs
+LIB_DEST_DIR=${TOOLS_ROOT}/../output/android
 NDK=$ANDROID_NDK_ROOT
 ANDROID_PLATFORM="android-23"
-ANDROID_API="21"
+ANDROID_API="23"
 [ -f ${LIB_NAME}.tar.gz ] || wget https://curl.haxx.se/download/${LIB_NAME}.tar.gz
 # Unarchive library, then configure and make for specified architectures
 configure_make()
@@ -38,12 +46,15 @@ configure_make()
 
   configure $*
   # fix me
-  cp ${TOOLS_ROOT}/../lib/${OUT}/libssl.a ${SYSROOT}/usr/lib
-  cp ${TOOLS_ROOT}/../lib/${OUT}/libcrypto.a ${SYSROOT}/usr/lib
-  cp -r ${TOOLS_ROOT}/../include/${OUT}/openssl ${SYSROOT}/usr/include
+  cp ${TOOLS_ROOT}/../output/android/openssl-android-${OUT}/lib/libssl.a ${SYSROOT}/usr/lib
+  cp ${TOOLS_ROOT}/../output/android/openssl-android-${OUT}/lib/libcrypto.a ${SYSROOT}/usr/lib
+  cp -r ${TOOLS_ROOT}/../output/android/openssl-android-${OUT}/include/openssl ${SYSROOT}/usr/include
 
-  mkdir -p ${LIB_DEST_DIR}/${OUT}
-  ./configure --prefix=${LIB_DEST_DIR}/${OUT} \
+  PREFIX_DIR=${LIB_DEST_DIR}/curl-android-${OUT}
+  if [ -d "${PREFIX_DIR}" ]; then
+      rm -fr ${PREFIX_DIR}
+  fi
+  ./configure --prefix=${PREFIX_DIR} \
               --with-sysroot=${SYSROOT} \
               --host=${TOOL} \
               --with-ssl=/usr \
@@ -56,9 +67,6 @@ configure_make()
   if make -j4
   then
     make install
-
-    cp ${LIB_DEST_DIR}/${OUT}/lib/libcurl.a ${TOOLS_ROOT}/../lib/${OUT}
-    cp -r ${LIB_DEST_DIR}/${OUT}/include/curl ${TOOLS_ROOT}/../include/${OUT}
   fi;
   popd;
 }
diff --git a/tools/build-openssl4android.sh b/tools/build-openssl4android.sh
index 4dbb7095..e02d0cb7 100755
--- a/tools/build-openssl4android.sh
+++ b/tools/build-openssl4android.sh
@@ -16,17 +16,24 @@
 
 set -u
 
+SOURCE="$0"
+while [ -h "$SOURCE" ]; do
+    DIR="$( cd -P "$( dirname "$SOURCE" )" && pwd )"
+    SOURCE="$(readlink "$SOURCE")"
+    [[ $SOURCE != /* ]] && SOURCE="$DIR/$SOURCE"
+done
+pwd_path="$( cd -P "$( dirname "$SOURCE" )" && pwd )"
+
 source ./_shared.sh
 
 # Setup architectures, library name and other vars + cleanup from previous runs
-ARCHS=("android" "android-armv7" "android64-arm64" "android-x86" "android-x86_64" "mips" "mips64")
+ARCHS=("android" "android-armeabi" "android64-aarch64" "android-x86" "android64" "android-mips" "android-mips64")
 OUTNAME=("armeabi" "armeabi-v7a" "arm64-v8a" "x86" "x86_64" "mips" "mips64")
-TOOLS_ROOT=`pwd`
+TOOLS_ROOT="${pwd_path}"
 LIB_NAME="openssl-1.1.0c"
-LIB_DEST_DIR=${TOOLS_ROOT}/libs
+LIB_DEST_DIR=${TOOLS_ROOT}/../output/android
 NDK=$ANDROID_NDK_ROOT
-ANDROID_API="21"
-[ -d ${LIB_DEST_DIR} ] && rm -rf ${LIB_DEST_DIR}
+ANDROID_API="23"
 [ -f "${LIB_NAME}.tar.gz" ] || wget https://www.openssl.org/source/${LIB_NAME}.tar.gz;
 # Unarchive library, then configure and make for specified architectures
 configure_make() {
@@ -35,9 +42,14 @@ configure_make() {
   tar xfz "${LIB_NAME}.tar.gz"
   pushd "${LIB_NAME}";
 
+  PREFIX_DIR=${LIB_DEST_DIR}/openssl-android-${OUT}
+  if [ -d "${PREFIX_DIR}" ]; then
+      rm -fr ${PREFIX_DIR}
+  fi
+
   configure $*
   ./Configure $ARCH \
-              --prefix=${LIB_DEST_DIR}/${OUT} \
+              --prefix=${PREFIX_DIR} \
               --with-zlib-include=$SYSROOT/usr/include \
               --with-zlib-lib=$SYSROOT/usr/lib \
               zlib \
@@ -49,11 +61,11 @@ configure_make() {
   if make -j4
   then
     make install
-    [ -d ${TOOLS_ROOT}/../include/$OUT ] || mkdir -p ${TOOLS_ROOT}/../include/$OUT
-    cp -r include/openssl ${TOOLS_ROOT}/../include/$OUT
+    # [ -d ${TOOLS_ROOT}/../include/$OUT ] || mkdir -p ${TOOLS_ROOT}/../include/$OUT
+    # cp -r include/openssl ${TOOLS_ROOT}/../include/$OUT
 
-    [ -d ${TOOLS_ROOT}/../lib/$OUT ] || mkdir -p ${TOOLS_ROOT}/../lib/$OUT
-    find . -type f -iname \( 'libssl.a' -or -iname 'libcrypto.a' \) -exec cp {} ${TOOLS_ROOT}/../lib/$OUT \;
+    # [ -d ${TOOLS_ROOT}/../lib/$OUT ] || mkdir -p ${TOOLS_ROOT}/../lib/$OUT
+    # find . -type f -iname \( 'libssl.a' -or -iname 'libcrypto.a' \) -exec cp {} ${TOOLS_ROOT}/../lib/$OUT \;
   fi;
 }
 
diff --git a/tools/build-openssl4ios.sh b/tools/build-openssl4ios.sh
index 42d36aff..4504ae8b 100755
--- a/tools/build-openssl4ios.sh
+++ b/tools/build-openssl4ios.sh
@@ -31,7 +31,7 @@ PLATFORMS=("iPhoneOS" "iPhoneOS" "iPhoneOS" "iPhoneSimulator" "iPhoneSimulator")
 DEVELOPER=`xcode-select -print-path`
 SDK_VERSION=""10.2""
 LIB_NAME="openssl-1.1.0c"
-LIB_DEST_DIR="lib"
+LIB_DEST_DIR="${pwd_path}/../output/ios/openssl-ios-universal"
 HEADER_DEST_DIR="include"
 rm -rf "${HEADER_DEST_DIR}" "${LIB_DEST_DIR}" "${LIB_NAME}"
  
@@ -56,7 +56,7 @@ configure_make()
    export TOOLS="${DEVELOPER}"
    export CC="${TOOLS}/usr/bin/gcc -arch ${ARCH}"
 
-   PREFIX_DIR="${pwd_path}/openssl-ios-${ARCH}"
+   PREFIX_DIR="${pwd_path}/../output/ios/openssl-ios-${ARCH}"
    if [ -d "${PREFIX_DIR}" ]; then
        rm -fr "${PREFIX_DIR}"
    fi
@@ -89,7 +89,7 @@ done
 create_lib()
 {
    LIB_SRC=$1; LIB_DST=$2;
-   LIB_PATHS=( "${ARCHS[@]/#/${pwd_path}/openssl-ios-}" )
+   LIB_PATHS=( "${ARCHS[@]/#/${pwd_path}/../output/ios/openssl-ios-}" )
    LIB_PATHS=( "${LIB_PATHS[@]/%//lib/${LIB_SRC}}" )
    lipo ${LIB_PATHS[@]} -create -output "${LIB_DST}"
 }
diff --git a/tools/build-protobuf4android.sh b/tools/build-protobuf4android.sh
index b16b5c5f..d1d8f086 100755
--- a/tools/build-protobuf4android.sh
+++ b/tools/build-protobuf4android.sh
@@ -16,18 +16,26 @@
 
 set -u
 
+SOURCE="$0"
+while [ -h "$SOURCE" ]; do
+    DIR="$( cd -P "$( dirname "$SOURCE" )" && pwd )"
+    SOURCE="$(readlink "$SOURCE")"
+    [[ $SOURCE != /* ]] && SOURCE="$DIR/$SOURCE"
+done
+pwd_path="$( cd -P "$( dirname "$SOURCE" )" && pwd )"
+
 source ./_shared.sh
 
 # Setup architectures, library name and other vars + cleanup from previous runs
-ARCHS=("android" "android-armv7" "android64-arm64" "android-x86" "android-x86_64" "mips" "mips64")
+ARCHS=("android" "android-armeabi" "android64-aarch64" "android-x86" "android64" "android-mips" "android-mips64")
 OUTNAME=("armeabi" "armeabi-v7a" "arm64-v8a" "x86" "x86_64" "mips" "mips64")
-TOOLS_ROOT=`pwd`
+TOOLS_ROOT=${pwd_path}
 LIB_NAME="protobuf"
 LIB_VERSION="3.1.0"
 LIB_FILENAME=${LIB_NAME}-${LIB_VERSION}
-LIB_DEST_DIR=${TOOLS_ROOT}/libs
+LIB_DEST_DIR=${TOOLS_ROOT}/../output/android
 NDK=$ANDROID_NDK_ROOT
-ANDROID_API="21"
+ANDROID_API="23"
 # rm -rf ${LIB_DEST_DIR}
 [ -f ${LIB_FILENAME}.tar.gz ] || wget https://github.com/google/${LIB_NAME}/archive/v${LIB_VERSION}.tar.gz -O ${LIB_FILENAME}.tar.gz
 # Unarchive library, then configure and make for specified architectures
@@ -38,13 +46,18 @@ configure_make() {
   tar xfz "${LIB_FILENAME}.tar.gz"
   pushd "${LIB_FILENAME}";
 
+  PREFIX_DIR=${LIB_DEST_DIR}/protobuf-android-${OUT}
+  if [ -d "${PREFIX_DIR}" ]; then
+      rm -fr ${PREFIX_DIR}
+  fi
+
   export LDFLAGS="-static-libstdc++"
   export LIBS="-lc++_static -latomic"
   configure $* "clang"
   # fix CXXFLAGS
   export CXXFLAGS=${CXXFLAGS/"-finline-limit=64"/""}
   ./autogen.sh
-  ./configure --prefix=${LIB_DEST_DIR}/${OUT} \
+  ./configure --prefix=${PREFIX_DIR} \
               --with-sysroot=${SYSROOT} \
               --with-protoc=`which protoc` \
               --with-zlib \
@@ -57,11 +70,6 @@ configure_make() {
   then
     mkdir -p ${LIB_DEST_DIR}/${OUT}
     make install
-
-    [ -d ${TOOLS_ROOT}/../lib/${OUT} ] || mkdir -p ${TOOLS_ROOT}/../lib/${OUT}
-    find ${LIB_DEST_DIR}/${OUT}/lib -type f -iname '*.a' -exec cp {} ${TOOLS_ROOT}/../lib/${OUT} \;
-    [ -d ${TOOLS_ROOT}/../include/${OUT} ] || mkdir -p ${TOOLS_ROOT}/../include/${OUT}
-    cp -r ${LIB_DEST_DIR}/$OUT/include/ ${TOOLS_ROOT}/../include/${OUT}
   fi;
   popd;
 }