1.下载libiconv库
http://www.gnu.org/software/libiconv/#TOCdownloading
https://ftp.gnu.org/pub/gnu/libiconv/libiconv-1.16.tar.gz
https://github.com/winlibs/libiconv/releases
https://codeload.github.com/winlibs/libiconv/zip/libiconv-1.16-1
2.
将下载后的文件解压到如下目录
E:osglibiconvlibiconv-libiconv-1.16-1
3.
用VS2019打开
E:osglibiconvlibiconv-libiconv-1.16-1MSVC16libiconv.sln
文件
4.修改编译类型
5.编译
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1.下载 release-1911-x64-gdal-3-0-2-mapserver-7-4-2-libs.zip
2.
将下载后的文件解压到如下目录
E:osg elease-1911-x64-gdal-3-0-2-mapserver-7-4-2-libs
3.提取中其中的头文件与库
E:osg elease-1911-x64-gdal-3-0-2-mapserver-7-4-2-libsincludeiconv.h
E:osg elease-1911-x64-gdal-3-0-2-mapserver-7-4-2-libslibiconv.lib