我无法在我的C++程序中使用cmake与boost::asio
配合使用。我已经尝试了很多次并进行了谷歌搜索,但我无法让它工作!
我想在Ubuntu 18.04下的我的C++项目中包含boost::asio
,并带有一个cmake文件。
因此,我安装了最新的CMake(cmake version 3.19.4
),并下载了boost版本1.74并执行了以下操作:
./bootstrap.sh --prefix=/usr/
sudo ./b2 install
安装目录是
/home/boost/boost_1_74_0
。我的CMake文件如下:cmake_minimum_required (VERSION 3.1.0)
# Project name
project (machine_tryout VERSION 1.0)
# Boost (header only)
#set(Boost_DEBUG 1)
set(BOOST_ROOT "$ENV{HOME}/boost/boost_1_74_0")
set(Boost_INCLUDE_DIR "$ENV{HOME}/boost/boost_1_74_0")
set(Boost_LIBRARY_DIR "$ENV{HOME}/boost/boost_1_74_0/libs")
find_package(Boost REQUIRED Components asio)
# Set Executable
add_executable(${PROJECT_NAME} source/tryout.cpp)
但我得到的一切都是以下内容:
vm-umic@vm:~/Projects/tryout/build$ cmake ..
CMake Warning at /snap/cmake/775/share/cmake-3.19/Modules/FindBoost.cmake:2034 (message):
No header defined for asio; skipping header check (note: header-only
libraries have no designated component)
Call Stack (most recent call first):
CMakeLists.txt:27 (find_package)
CMake Error at /snap/cmake/775/share/cmake-3.19/Modules/FindPackageHandleStandardArgs.cmake:218 (message):
Could NOT find Boost (missing: asio) (found version "1.74.0")
Call Stack (most recent call first):
/snap/cmake/775/share/cmake-3.19/Modules/FindPackageHandleStandardArgs.cmake:582 (_FPHSA_FAILURE_MESSAGE)
/snap/cmake/775/share/cmake-3.19/Modules/FindBoost.cmake:2193 (find_package_handle_standard_args)
CMakeLists.txt:27 (find_package)
-- Configuring incomplete, errors occurred!
See also "/home/vm-umic/Projects/tryout/build/CMakeFiles/CMakeOutput.log".
世上我到底做错了什么?CMake 不是告诉我它找到了 Boost 1.74 吗?如果我尝试使用
find_package(Boost REQUIRED)
,CMake 没有抛出任何错误,但链接也无法正常工作。我明确告诉 CMake 在哪里找库,为什么 CMake 找不到 Boost?