CMake 错误 "include could not find load file: FetchContent"
CMake error "include could not find load file: FetchContent"
我在 Ubuntu 上执行 cmake
命令时出现以下错误。 CMake 版本 - 3.10.2.
mapp@ubuntu:~/Desktop/LocatePro$ cmake .
-- Enable testing: ON
CMake Error at CMakeLists.txt:40 (include):
include could not find load file:
FetchContent
CMake Error at CMakeLists.txt:42 (FetchContent_Declare):
Unknown CMake command "FetchContent_Declare".
-- Configuring incomplete, errors occurred!
See also "/home/mapp/Desktop/LocatePro/CMakeFiles/CMakeOutput.log".
mapp@ubuntu:~/Desktop/LocatePro$
以下是第 14 行的 CMakeLists.txt
内容。 31:
# we will use the network to fetch Google Test sources
# make it possible to disable unit tests when not on network
option(ENABLE_UNIT_TESTS "Enable unit tests" ON)
message(STATUS "Enable testing: ${ENABLE_UNIT_TESTS}")
if(ENABLE_UNIT_TESTS)
# the following code to fetch googletest
# is inspired by and adapted after:
# - https://cmake.org/cmake/help/v3.11/module/FetchContent.html
include(FetchContent)
FetchContent_Declare(
googletest
GIT_REPOSITORY https://github.com/google/googletest.git
GIT_TAG release-1.8.0
)
FetchContent_GetProperties(googletest)
if(NOT googletest_POPULATED)
FetchContent_Populate(googletest)
# Prevent GoogleTest from overriding our compiler/linker options
# when building with Visual Studio
set(gtest_force_shared_crt ON CACHE BOOL "" FORCE)
# Prevent GoogleTest from using PThreads
set(gtest_disable_pthreads ON CACHE BOOL "" FORCE)
# adds the targers: gtest, gtest_main, gmock, gmock_main
add_subdirectory(
${googletest_SOURCE_DIR}
${googletest_BINARY_DIR}
)
# Silence std::tr1 warning on MSVC
if(MSVC)
foreach(_tgt gtest gtest_main gmock gmock_main)
target_compile_definitions(${_tgt}
PRIVATE
"_SILENCE_TR1_NAMESPACE_DEPRECATION_WARNING"
)
endforeach()
endif()
endif()
add_executable(LocatPro_Test "")
target_sources(LocatPro_Test
PRIVATE
LocatProTest/LocatProTest.cpp
)
target_link_libraries(LocatPro_Test
PRIVATE
gtest_main
)
enable_testing()
add_test(
NAME google_test
COMMAND $<TARGET_FILE:LocatPro_Test>
)
endif()
我是新手,今天才开始使用 CMake。
如果我做错了什么,请告诉我 and/or CMake 中遗漏任何内容。
include(FetchContent)
在 CMake 版本中支持 - Ubuntu.
上的 3.10.2
模块 FetchContent 仅出现在 CMake 3.11 中。
(您可以尝试 select 上述 link 之前的 CMake 版本,发现该版本中没有该模块。
我在 Ubuntu 上执行 cmake
命令时出现以下错误。 CMake 版本 - 3.10.2.
mapp@ubuntu:~/Desktop/LocatePro$ cmake .
-- Enable testing: ON
CMake Error at CMakeLists.txt:40 (include):
include could not find load file:
FetchContent
CMake Error at CMakeLists.txt:42 (FetchContent_Declare):
Unknown CMake command "FetchContent_Declare".
-- Configuring incomplete, errors occurred!
See also "/home/mapp/Desktop/LocatePro/CMakeFiles/CMakeOutput.log".
mapp@ubuntu:~/Desktop/LocatePro$
以下是第 14 行的 CMakeLists.txt
内容。 31:
# we will use the network to fetch Google Test sources
# make it possible to disable unit tests when not on network
option(ENABLE_UNIT_TESTS "Enable unit tests" ON)
message(STATUS "Enable testing: ${ENABLE_UNIT_TESTS}")
if(ENABLE_UNIT_TESTS)
# the following code to fetch googletest
# is inspired by and adapted after:
# - https://cmake.org/cmake/help/v3.11/module/FetchContent.html
include(FetchContent)
FetchContent_Declare(
googletest
GIT_REPOSITORY https://github.com/google/googletest.git
GIT_TAG release-1.8.0
)
FetchContent_GetProperties(googletest)
if(NOT googletest_POPULATED)
FetchContent_Populate(googletest)
# Prevent GoogleTest from overriding our compiler/linker options
# when building with Visual Studio
set(gtest_force_shared_crt ON CACHE BOOL "" FORCE)
# Prevent GoogleTest from using PThreads
set(gtest_disable_pthreads ON CACHE BOOL "" FORCE)
# adds the targers: gtest, gtest_main, gmock, gmock_main
add_subdirectory(
${googletest_SOURCE_DIR}
${googletest_BINARY_DIR}
)
# Silence std::tr1 warning on MSVC
if(MSVC)
foreach(_tgt gtest gtest_main gmock gmock_main)
target_compile_definitions(${_tgt}
PRIVATE
"_SILENCE_TR1_NAMESPACE_DEPRECATION_WARNING"
)
endforeach()
endif()
endif()
add_executable(LocatPro_Test "")
target_sources(LocatPro_Test
PRIVATE
LocatProTest/LocatProTest.cpp
)
target_link_libraries(LocatPro_Test
PRIVATE
gtest_main
)
enable_testing()
add_test(
NAME google_test
COMMAND $<TARGET_FILE:LocatPro_Test>
)
endif()
我是新手,今天才开始使用 CMake。 如果我做错了什么,请告诉我 and/or CMake 中遗漏任何内容。
include(FetchContent)
在 CMake 版本中支持 - Ubuntu.
模块 FetchContent 仅出现在 CMake 3.11 中。
(您可以尝试 select 上述 link 之前的 CMake 版本,发现该版本中没有该模块。