编译echo测试程序失败，brpc是通过cmake方式编译的

[FHBOL]

分支：On branch 1.9.0
通过cmake方式构建

CMake Deprecation Warning at CMakeLists.txt:18 (cmake_minimum_required):
Compatibility with CMake < 2.8.12 will be removed from a future version of
CMake.

Update the VERSION argument value or use a ... suffix to tell
CMake that the project does not need compatibility with older versions.

-- The C compiler identification is Clang 14.0.0
-- The CXX compiler identification is Clang 14.0.0
-- Detecting C compiler ABI info
-- Detecting C compiler ABI info - done
-- Check for working C compiler: /usr/bin/clang - skipped
-- Detecting C compile features
-- Detecting C compile features - done
-- Detecting CXX compiler ABI info
-- Detecting CXX compiler ABI info - done
-- Check for working CXX compiler: /usr/bin/clang++ - skipped
-- Detecting CXX compile features
-- Detecting CXX compile features - done
-- Looking for pthread.h
-- Looking for pthread.h - found
-- Performing Test CMAKE_HAVE_LIBC_PTHREAD
-- Performing Test CMAKE_HAVE_LIBC_PTHREAD - Success
-- Found Threads: TRUE
-- Found Protobuf: /usr/local/lib/libprotobuf.so (found version "3.19.4")
CMake Error at CMakeLists.txt:50 (message):
Fail to find brpc

-- Configuring incomplete, errors occurred!
See also "/home/fanghongbin/brpc/example/echo_c++/build/CMakeFiles/CMakeOutput.log".

构建目录
f@DESKTOP-UB1M0MH:/brpc/build$ ls output/
bin include lib
f@DESKTOP-UB1M0MH:/brpc/build$ ls output/lib/
libbrpc.a
只有静态库没有动态库