小编给大家分享一下CentOS7下如何编译安装Mapnik Mapnik，相信大部分人都还不怎么了解，因此分享这篇文章给大家参考一下，希望大家阅读完这篇文章后大有收获，下面让我们一起去了解一下吧！
InstallationTroubleshooting 编译安装遇到问题汇总
git clone https://github.com/mapnik/mapnik.git安装必要的依赖
yum install boost-devel postgresql-devel proj-devel proj-epsg扩展需要的依赖
yum install sqlite-devel libpng-devel libtiff-devel libjpeg-devel libicu-devel编译的时候，官方需求最少要有5GB(for g++)的内存，对于小内存的用户(我当时只有2G)可能会出现内存不够而异常退出的情况，如果出现以下状况而退出的话：
g++: internal compiler error: Killed (program cc1plus)我们可以临时增加磁盘交换空间来临时解决该问题
sudo dd if=/dev/zero of=/swapfile bs=64M count=16 sudo mkswap /swapfile sudo swapon /swapfile然后在编译完成后，在恢复到之前的状态
sudo swapoff /swapfile sudo rm /swapfile开始编译
./configure make make install中间会出现错误如：
编译一下harfbuzz 参照如下修改
Harfbuzz not found
$ brew install harfbuzz...$ ./configure...Checking for C++ library harfbuzz... noCould not find required header or shared library for harfbuzz...Exiting... the following required dependencies were not found: - harfbuzz (HarfBuzz text shaping library | configure with HB_LIBS & HB_INCLUDES)Solution: HB_LIBS and HB_INCLUDES are directories, not cflags/ldflags, and HB_INCLUDES needs not to include the “harfbuzz” directory itself. If pkg-config says:
$ pkg-config --libs --cflags harfbuzz -I/usr/local/Cellar/harfbuzz/0.9.35_1/include/harfbuzz -L/usr/local/Cellar/harfbuzz/0.9.35_1/lib -lharfbuzzwhat you actually need is 修改配置文件为，直接指定HB_LIBS，HB_INCLUDES
$ ./configure HB_LIBS=/usr/local/Cellar/harfbuzz/0.9.35_1/lib HB_INCLUDES=/usr/local/Cellar/harfbuzz/0.9.35_1/include简单测试
python import mapnik如果出现类似的错误
ImportError: libmapnik.so.3.0: cannot open shared object file: No such file or directory需要手工添加一下so的位置
vim /etc/ld.so.conf.d/mapnik-x86_64.conf添加一行内容： /usr/local/lib
然后保存退出，同时执行一下
ldconfig如果没有问题的话可以试一下渲染demo，会生成一些不同品质不同格式的图片demo文件
python demo/python/rundemo.py以上是“CentOS7下如何编译安装Mapnik Mapnik”这篇文章的所有内容，感谢各位的阅读！相信大家都有了一定的了解，希望分享的内容对大家有所帮助，如果还想学习更多知识，欢迎关注编程网行业资讯频道！
