good afternoon,
I am following the CMake book to learn about CMake. I have trouble to
follow chapter 3: build configurations
(https://riptutorial.com/cmake/example/26702/setting-a-release-debug-configuration)
In this part it is not very clear why these configurations are used,
and how they work.
here is the script in cmake:
*CMAKE_MINIMUM_REQUIRED(VERSION 2.8.11)**
**SET(PROJ_NAME "myproject")**
**PROJECT(${PROJ_NAME})**
**
*# Configuration types*
**SET(CMAKE_CONFIGURATION_TYPES "Debug;Release" CACHE STRING "Configs"
FORCE)**
**IF(DEFINED CMAKE_BUILD_TYPE AND CMAKE_VERSION VERSION_GREATER "2.8")**
** SET_PROPERTY(CACHE CMAKE_BUILD_TYPE PROPERTY STRINGS
${CMAKE_CONFIGURATION_TYPES})**
**ENDIF()**
**
**SET(${PROJ_NAME}_PATH_INSTALL "/opt/project"
CACHE PATH "This directory contains installation Path")**
**SET(CMAKE_DEBUG_POSTFIX "d")**
*
# Install
#---------------------------------------------------#*
**INSTALL(TARGETS ${PROJ_NAME}**
** DESTINATION
"${${PROJ_NAME}_PATH_INSTALL}/lib/${CMAKE_BUILD_TYPE}/"**
** )**
*
So, instead of building the project relative to my project folder, it
installs into "/opt/" directory in linux. Why would I want/prefere to
do that? And what if I am working with Windows, instead?
Since the application is build in "/opt/" it suggests that cmake in
above example functions similar to an software installer.
The documentation on cmake.org states that CMAKE_CONFIGURATION_TYPES
specifies multiple build types (Debug, Release, Test, etc), which is
ultimately what I am interested in.
I suppose I am also able to use this concept if I want relative path
for debug/release directories like in Eclipse?
thank you!
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