Thanks for the help I have received in the past few days. I am making
incremental improvements to my CMake project and have a new challenge. I
am running CMake 3.13 on Centos 7.6, targeting make. My CMake file
successfully builds debug or release targets and puts the executable in an
out-of-source build directory. I have added debug and release make targets
so I can execute 'make debug' etc.
I now want to support separate target directories: build/debug and
build/release. I've shown my CMakeLists.txt below. So far I've just added
an attempt to support build/debug:
if (CMAKE_BUILD_TYPE EQUAL "DEBUG")
message("debug mode")
set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/debug)
endif (CMAKE_BUILD_TYPE EQUAL "DEBUG")
but:
$ cmake3 -DCMAKE_BUILD_TYPE=DEBUG ..
puts the target into build, not build/debug.
I would also like this to work if I use the make targets e.g. make debug.
Here's my full CMakeLists.txt. Any advice would be appreciated.
cmake_minimum_required(VERSION 3.5 FATAL_ERROR)
if(NOT CMAKE_BUILD_TYPE)
set(CMAKE_BUILD_TYPE "Release")
message(STATUS "Build type not specified: Use Release by default")
endif(NOT CMAKE_BUILD_TYPE)
project(hello_world LANGUAGES CXX) # Among other things, this sets
PROJECT_NAME
add_executable(${PROJECT_NAME} "")
target_include_directories(${PROJECT_NAME}
PRIVATE
${CMAKE_CURRENT_SOURCE_DIR})
target_sources(${PROJECT_NAME}
PRIVATE
main.cpp
Message.cpp)
ADD_CUSTOM_TARGET(debug
COMMAND ${CMAKE_COMMAND} -DCMAKE_BUILD_TYPE=Debug ${CMAKE_SOURCE_DIR}
COMMAND ${CMAKE_COMMAND} --build ${CMAKE_BINARY_DIR} --target all
COMMENT "Creating the executable in the debug mode.")
ADD_CUSTOM_TARGET(release
COMMAND ${CMAKE_COMMAND} -DCMAKE_BUILD_TYPE=Release ${CMAKE_SOURCE_DIR}
COMMAND ${CMAKE_COMMAND} --build ${CMAKE_BINARY_DIR} --target all
COMMENT "Creating the executable in the release mode.")
if (CMAKE_BUILD_TYPE EQUAL "DEBUG")
message("debug mode")
set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/debug)
endif (CMAKE_BUILD_TYPE EQUAL "DEBUG")
--
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