使用 cmake 构建外部项目时如何不进行安装步骤 [英] How to not make install step when building external project with cmake

问题描述

我正在使用 cmake ExternalProject_Add 命令构建依赖项目:

I'm building dependency project with cmake ExternalProject_Add command:

include(ExternalProject)
...
set(COMMON_BASE_PROJECT_DIR ${CMAKE_CURRENT_SOURCE_DIR}/../CommonBase)

ExternalProject_Add(CommonBaseProject
  SOURCE_DIR ${COMMON_BASE_PROJECT_DIR}
  BINARY_DIR ${COMMON_BASE_PROJECT_DIR}/build
  INSTALL_COMMMAND ""
)   

include_directories(${CMAKE_CURRENT_SOURCE_DIR}/include)
include_directories(${COMMON_BASE_PROJECT_DIR}/include)

add_library(
    ${LIBRARY_NAME}
    SHARED
    ${SRC_FILES}
    ${INCLUDE_FILES}
)

target_link_libraries (Bios ${COMMON_BASE_PROJECT_DIR}/build/libCommonBase.dll)
add_dependencies(Bios CommonBaseProject)

但我得到错误:

[100%] Linking CXX shared library libCommonBase.dll
[100%] Built target CommonBase
[ 50%] Performing install step for 'CommonBaseProject'
make[3]: *** No rule to make target 'install'.  Stop.

我不需要安装步骤，所以我的问题是:如何禁用它?

I don't need to make install step, so my question is: how to disable it?

推荐答案

您可以使用 STEP_TARGETS build 为构建步骤生成一个目标，并添加对该特定目标的依赖.步骤目标被命名为 <external-project-name>-<step-name> 所以在这种情况下，代表构建步骤的目标将被命名为 CommonBaseProject-build.

You can generate a target for the build step with STEP_TARGETS build and add dependency on this particular target. The step targets are named <external-project-name>-<step-name> so in this case the target representing the build step will be named CommonBaseProject-build.

您可能还希望使用 EXCLUDE_FROM_ALL TRUE 从所有"目标中排除 CommonBaseProject.

You probably also want to exclude the CommonBaseProject from the "all" target with EXCLUDE_FROM_ALL TRUE.

ExternalProject_Add(CommonBaseProject
  SOURCE_DIR ${COMMON_BASE_PROJECT_DIR}
  BINARY_DIR ${COMMON_BASE_PROJECT_DIR}/build
  STEP_TARGETS build
  EXCLUDE_FROM_ALL TRUE
)

add_dependencies(Bios CommonBaseProject-build)

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