我正在尝试为我的 CMake 配置目标代码覆盖率添加自定义构建类型。
到目前为止我尝试过的方法是CMake wiki 站点中有关它的常见问题解答条目 https://gitlab.kitware.com/cmake/community/wikis/FAQ#how-can-i-specify-my-own-configurations-for-generators-that-allow-it-。但是,我无法让它发挥作用。
这是我的代码,使用 CMake 2.8.5:
message("* Adding build types...")
if(CMAKE_CONFIGURATION_TYPES)
list(APPEND CMAKE_CONFIGURATION_TYPES CodeCoverage)
list(REMOVE_DUPLICATES CMAKE_CONFIGURATION_TYPES)
set(CMAKE_CONFIGURATION_TYPES "${CMAKE_CONFIGURATION_TYPES}" CACHE STRING
"Add the configurations that we need"
FORCE)
message(" Available build types are now : ${CMAKE_CONFIGURATION_TYPES}")
else()
message(" XXX custom build types are not allowed...")
endif()
我得到“不允许 XXX 自定义构建类型...”...
发现问题:添加自定义之间存在混淆builds和定制配置 :
-
配置适用于 Visual Studio 或 XCode 等特殊工具
-
构建类型是一个更原始的功能
因此,要添加自定义构建类型,根本不需要操作 CMAKE_CONFIGURATION_TYPES 变量。只需设置相应的变量并开始使用即可,如下解释了 https://gitlab.kitware.com/cmake/community/wikis/FAQ#how-can-i-extend-the-build-modes-with-a-custom-made-one- :
SET(GCC_DEBUG_FLAGS "-g -Wall")
# Add new build types
message("* Adding build types...")
SET(CMAKE_CXX_FLAGS_COVERAGE
"${GCC_DEBUG_FLAGS} -fprofile-arcs -ftest-coverage"
CACHE STRING "Flags used by the C++ compiler during coverage builds."
FORCE )
SET(CMAKE_C_FLAGS_COVERAGE
"${GCC_DEBUG_FLAGS} -fprofile-arcs -ftest-coverage"
CACHE STRING "Flags used by the C compiler during coverage builds."
FORCE )
SET(CMAKE_EXE_LINKER_FLAGS_COVERAGE
""
CACHE STRING "Flags used for linking binaries during coverage builds."
FORCE )
SET(CMAKE_SHARED_LINKER_FLAGS_COVERAGE
""
CACHE STRING "Flags used by the shared libraries linker during coverage builds."
FORCE )
MARK_AS_ADVANCED(
CMAKE_CXX_FLAGS_COVERAGE
CMAKE_C_FLAGS_COVERAGE
CMAKE_EXE_LINKER_FLAGS_COVERAGE
CMAKE_SHARED_LINKER_FLAGS_COVERAGE )
我们可能还想更新帮助字符串(以及设置默认构建类型 https://gitlab.kitware.com/cmake/community/wikis/FAQ#how-can-i-change-the-default-build-mode-and-see-it-reflected-in-the-gui顺便一提) :
IF(NOT CMAKE_BUILD_TYPE)
SET(CMAKE_BUILD_TYPE Debug
CACHE STRING "Choose the type of build : None Debug Release RelWithDebInfo MinSizeRel Coverage."
FORCE)
ENDIF(NOT CMAKE_BUILD_TYPE)
message("* Current build type is : ${CMAKE_BUILD_TYPE}")
关于尝试从另一个构建类型继承默认选项的一些警告:
SET(CMAKE_CXX_FLAGS_COVERAGE
"${CMAKE_CXX_FLAGS_DEBUG} -fprofile-arcs -ftest-coverage"
CACHE STRING "Flags used by the C++ compiler during coverage builds."
FORCE )
这是一个bad这个想法是因为每次再次获取配置时都会附加额外的选项(每次更改其中的某些内容时)。
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