help: add redis++ lib to app, CMake Error: The following variables are used in this project, but they are set to NOTFOUND. Please set them or make sure they are set and tested correctly in the CMake files: HIREDIS_STATIC_LIB

[chris-shenzhen-china]

add redis++ lib to app, CMake Error: The following variables are used in this project, but they are set to NOTFOUND. Please set them or make sure they are set and tested correctly in the CMake files: HIREDIS_STATIC_LIB

[sewenew]

Hi @chris-shenzhen-china

redis-plus-plus depends on hiredis, and you need to install hiredis first.

It seems that you didn't install hiredis or installed hiredis at a user-defined path, and cmake cannot locate it. If you already installed hiredis at a user-defined path, you can use the -DCMAKE_PREFIX_PATH=/path/to/hiredis parameter to tell cmake where to find hiredis.

cmake -DCMAKE_BUILD_TYPE=Release -DCMAKE_PREFIX_PATH=/path/to/hiredis ..

Please check this section for detail.

If you still have any problem with redis-plus-plus, feel free to let me know :)

Regards

[chris-shenzhen-china]

D:\project-vs\framework\test>cmake -DCMAKE_PREFIX_PATH=D:\project-vs\vcpkg\vcpkg\packages\hiredis_x64-windows
CMake Warning:
No source or binary directory provided. Both will be assumed to be the
same as the current working directory, but note that this warning will
become a fatal error in future CMake releases.

-- Building for: Visual Studio 16 2019
-- Selecting Windows SDK version 10.0.18362.0 to target Windows 10.0.18363.
-- The CXX compiler identification is MSVC 19.26.28806.0
-- Check for working CXX compiler: C:/Program Files (x86)/Microsoft Visual Studio/2019/Enterprise/VC/Tools/MSVC/14.26.28801/bin/Hostx64/x64/cl.exe
-- Check for working CXX compiler: C:/Program Files (x86)/Microsoft Visual Studio/2019/Enterprise/VC/Tools/MSVC/14.26.28801/bin/Hostx64/x64/cl.exe - works
-- Detecting CXX compiler ABI info
-- Detecting CXX compiler ABI info - done
-- Detecting CXX compile features
-- Detecting CXX compile features - done
-- Looking for C++ include any
-- Looking for C++ include any - found
-- Looking for C++ include string_view
-- Looking for C++ include string_view - found
CMake Error at CMakeLists.txt:25 (find_package):
Could not find a package configuration file provided by "Drogon" with any
of the following names:

DrogonConfig.cmake
drogon-config.cmake

Add the installation prefix of "Drogon" to CMAKE_PREFIX_PATH or set
"Drogon_DIR" to a directory containing one of the above files. If "Drogon"
provides a separate development package or SDK, be sure it has been
installed.

[sewenew]

You need to specify the path to CMakeLists.txt file of redis-plus-plus:

D:\project-vs\framework\test>cmake -DCMAKE_PREFIX_PATH=D:\project-vs\vcpkg\vcpkg\packages\hiredis_x64-windows path-to-CMakeLists.txt

Regards

[chris-shenzhen-china]

I hava already add the path to CMacklist.txt like this below:
set(CMAKE_PREFIX_PATH "D:/project-vs/vcpkg/vcpkg/packages/hiredis_x64-windows")

but, cmake error here too:

[sewenew]

Hi @chris-shenzhen-china

If you set CMAKE_PREFIX_PATH with command line arguments, both redis-plus-plus library and the corresponding test can be built correctly.

However, if you set this variable by modifying CMakeLists.txt, you should modify 2 CMakeLists.txt files. It seems that you only set CMAKE_PREFIX_PATH for the CMakeLists.txt file that builds redis-plus-plus library. You should also set CMAKE_PREFIX_PATH for the CMakeLists.txt file that builds the test: redis-plus-plus/test/CMakeLists.txt.

Regards

[chris-shenzhen-china]

I changed the CMakeLists.txt in test dir, and it works well

hiredis dependency

find_path(HIREDIS_HEADER hiredis)
target_include_directories(${PROJECT_NAME} PUBLIC ${HIREDIS_HEADER})

find_library(HIREDIS_LIB hiredis)
target_link_libraries(${PROJECT_NAME} ${HIREDIS_LIB})

redis++ dependency

target_include_directories(${PROJECT_NAME} PUBLIC ../src)

solaris socket dependency

IF (CMAKE_SYSTEM_NAME MATCHES "(Solaris|SunOS)" )
target_link_libraries(${PROJECT_NAME} -lsocket)
ENDIF(CMAKE_SYSTEM_NAME MATCHES "(Solaris|SunOS)" )

find_package(Threads REQUIRED)

#target_link_libraries(${PROJECT_NAME} ${REDIS_PLUS_PLUS_LIB} ${CMAKE_THREAD_LIBS_INIT})
target_link_libraries(${PROJECT_NAME} redis++ ws2_32.lib ${CMAKE_THREAD_LIBS_INIT})