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下载源代码

git clone --depth=1 https://dgithub.xyz/gwaldron/osgearth -b osgearth-3.5

下载子模块

git submodule update --init

如果下载不过来，就手动修改下.git/config文件，将子模块的地址替换成加速地址

(base) yeqiang@yeqiang-Default-string:~/Downloads/src/osgearth$ cat .git/config 
[core]
    repositoryformatversion = 0
    filemode = true
    bare = false
    logallrefupdates = true
[remote "origin"]
    url = https://dgithub.xyz/gwaldron/osgearth
    fetch = +refs/tags/osgearth-3.5:refs/tags/osgearth-3.5
[submodule "src/third_party/imgui"]
    active = true
    url = https://dgithub.xyz/ocornut/imgui.git
[submodule "src/third_party/lerc"]
    active = true
    url = https://dgithub.xyz/Esri/lerc.git
[submodule "src/third_party/rapidjson"]
    active = true
    url = https://dgithub.xyz/Tencent/rapidjson.git
 

(base) yeqiang@yeqiang-Default-string:~/下载/src/osgearth/src/third_party$ git clone https://dgithub.xyz/google/googletest.git
正克隆到 'googletest'...
remote: Enumerating objects: 27535, done.
remote: Counting objects: 100% (73/73), done.
remote: Compressing objects: 100% (46/46), done.
remote: Total 27535 (delta 29), reused 38 (delta 21), pack-reused 27462
接收对象中: 100% (27535/27535), 12.83 MiB | 325.00 KiB/s, 完成.
处理 delta 中: 100% (20438/20438), 完成.
(base) yeqiang@yeqiang-Default-string:~/下载/src/osgearth/src/third_party$ rm -r rapidjson/thirdparty/gtest
(base) yeqiang@yeqiang-Default-string:~/下载/src/osgearth/src/third_party$ mv googletest rapidjson/thirdparty/gtest

安装编译工具

sudo apt install -y cmake
sudo apt install -y libcurl4-openssl-dev
sudo apt-get install libgdal-dev
sudo apt-get install libopenscenegraph-dev

编译osgEarth

cd osgearth
mkdir build
cd build
cmake ..
make -j$(cat /proc/cpuinfo  | grep processor -c)

编译出来的可执行文件