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Update README.md

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Wang Xin 2020-02-22 14:53:53 +08:00 committed by GitHub
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samples/simple/README.md
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@ -95,17 +95,19 @@ host-interp
Enter the profile name for starting your build. "host-***" profiles build the sample for executing on your development machine, and "arm-interp" profile will do cross building for ARM target platform. If "arm-interp" is entered, please ensure the ARM cross compiler toolchain is already installed in your development machine. Your should set *ARM_A7_COMPILER_DIR* and *ARM_A7_SDKTARGETSYSROOT* environment variable in your ~/.bashrc correctly. refer to the file [profiles/arm-interp/toolchain.cmake](./profiles/arm-interp/toolchain.cmake).
```
~/.bashrc:
export ARM_A7_COMPILER_DIR="/home/beihai/cross-toolchains/gcc-linaro-arm-linux-gnueabihf-4.7-2013.03-20130313_linux/bin"
export ARM_A7_SDKTARGETSYSROOT="/home/beihai/cross-toolchains/gcc-linaro-arm-linux-gnueabihf-4.7-2013.03-20130313_linux/arm-linux-gnueabihf/libc"
notes: please set the value to the actual path of your cross toolchain.
```
If you need to create additional profile for customizing your runtime, application framework or the target platforms, a new subfolder can be created under the *profiles* folder, and place your own version of "toolchain.cmake" and "wamr_config_simple.cmake" in it.
```
~/wamr/samples/simple/profiles$ ls
$wamr-root/samples/simple/profiles$ ls
arm-interp host-aot host-interp
~/wamr/samples/simple/profiles$ ls arm-interp/
$wamr-root/samples/simple/profiles$ ls arm-interp/
toolchain.cmake wamr_config_simple.cmake
```