README: add basic cross compilation documentationHEADmasterdragonboardandroid

1 files changed, 11 insertions, 0 deletions

diff --git a/README.md b/README.md
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--- a/README.md
+++ b/README.md
@@ -169,6 +169,17 @@ To uninstall, run with proper privileges:
 make uninstall
 ```
 
+### Cross Compiling
+
+To cross-compile for different systems/architectures, use standard CMake toolchain files.
+See [Mastering CMake](https://cmake.org/cmake/help/book/mastering-cmake/) for reference.
+
+For example, modify the cmake command from the build directory to use your own `toolchain.cmake` file:
+
+``` sh
+cmake -DCMAKE_TOOLCHAIN_FILE=/path/to/toolchain.cmake ..
+```
+
 
 ## Project Source