【webrtc】fdkaac编解码库cmake和gn编译

• 官方支持cmake 编译

fdk aac 官方CMake构建过程

• https://github.com/mstorsjo/fdk-aac/blob/master/CMakeLists.txt

# # CMake project for fdk-aac
#
# ## Basic usage
#
# 1. Download and install CMake >= 3.10 (CMake >= 3.15 is recommended)
# 2. Clone fdk-aac repository
# 3. In fdk-aac directory create and go to `build` subdirectory:
#
# mkdir build
# cd build
#
# 4. Run cmake to configure project with desired build type (Releas