```
cmake -GNinja .. \
-DSECP256K1_USE_ARM_ASM=ON \
-DSECP256K1_USE_X86_64_ASM=ON
```
Check there is an error message displayed.
```
cmake -GNinja .. \
-DSECP256K1_USE_ARM_ASM=ON \
-DSECP256K1_USE_X86_64_ASM=OFF \
-DSECP256K1_BUILD_OPENSSL_TESTS=OFF \
-DCMAKE_C_COMPILER=arm-linux-gnueabihf-gcc
ninja all tests exhaustive_tests
```
Run the test binaries on an ARM target and check there is no error
(tested on a RPi).
Run the Travis build (see
https://travis-ci.org/github/Fabcien/secp256k1/builds/663006926).