* Replace OQS_PORTABLE_BUILD with OQS_DIST_BUILD
Also introduces OQS_OPT_TARGET and removes OQS_USE_CPU_EXTENSIONS
* Only compile sha3 avx2 code on Linux|Darwin
* Use new ARCH_ARM[X] flags in SIKE CMakeLists
* Update test_portability and rename to test_distbuild
* Update documentation for building Windows AMD64 from Ubuntu Bionic
* Update scripts/build-android.sh
* More specific CMAKE_SYSTEM_PROCESSOR for rasppi toolchain
* CI: Use OQS_DIST_BUILD in some jobs
* Replace OQS_get_available_CPU_extensions by OQS_CPU_has_extension
* ARM64v8/ARM32v7 runtime cpu feature detection
* Compile-time detection of some ARM features
* Toolchain files to cross compile for ARM32v7 and ARM64v8
* Remove unnecessary references to CMAKE_BUILD_TYPE=Release
* Use OQS_DIST_BUILD=ON on Windows
* Add SPDX-License-Identifier in src/common
* Add SPDX-License-Identifier in FrodoKEM
* Add SPDX-License-Identifier in SIKE
* Add SPDX-License-Identifier in BIKE
* Add SPDX-License-Identifier in OQS headers
* Add SPDX-License-Identifier in files generated during copy-from-pqclean
* Add SPDX-License-Identifier in Picnic
* Add SPDX-License-Identifier in qTesla
* Add SPDX-License-Identifier in CMake files
* Update license info in README
* Add SPDX-License-Identifier in scripts
* Add SPDX-License-Info to CMakeLists
* Add SPDX-License-Info in tests
* Add SPDX-License-Info to various files
* Prettyprint
* Add test for SPDX-License-Identifier headers
* Updated license identifiers for CPU extension detection code.
* Use conjunction for SPDX in file with two licenses
Co-authored-by: xvzcf <xvzcf@users.noreply.github.com>
* Refactored build and templating scripts.
* Added check for OQS_PORTABLE_BUILD to Frodo.
* Removed security_strength parameter from OQS_randombytes_nist_kat_init.
* Overhauled the propagation of compiler flags
* Added "Dependency" CMake build type
* Removed src/common/CMakeLists.txt and src/crypto/CMakeLists.txt
* Set default build type to exclude CPU extension-based optimizations
