Actually use libc++_shared as STL

Author: zhuowei

setCrossEnvironment-armeabi-v7a.sh

@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 
 NDK_STL="libc++"
 
@@ -35,9 +35,11 @@ ARCH=armeabi-v7a
 STL_CFLAGS="-isystem$NDK/sources/cxx-stl/gnu-libstdc++/$GCCVER/include \
 -isystem$NDK/sources/cxx-stl/gnu-libstdc++/$GCCVER/libs/$ARCH/include"
 STL_LDFLAGS="-L$NDK/sources/cxx-stl/gnu-libstdc++/$GCCVER/libs/$ARCH"
-if [[ "$NDK_STL" -eq "libc++" ]] ; then
-	STL_CFLAGS="-isystem$NDK/sources/cxx-stl/llvm-libc++/include"
+STL_LDLIB="-lgnustl_shared -lsupc++"
+if [[ "$NDK_STL" == "libc++" ]] ; then
+	STL_CFLAGS="-isystem$NDK/sources/cxx-stl/llvm-libc++/libcxx/include"
 	STL_LDFLAGS="-L$NDK/sources/cxx-stl/llvm-libc++/libs/$ARCH"
+	STL_LDLIB="-lc++_shared"
 fi
 
 CFLAGS="