libiconv库编译
1.下载libiconv库
http://www.gnu.org/software/libiconv/#TOCdownloading
https://ftp.gnu.org/pub/gnu/libiconv/libiconv-1.16.tar.gz
2.
将下载后的文件解压到如下目录
E:\osg\libiconv\libiconv-1.16
3.
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\release-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\release-1911-x64-gdal-3-0-2-mapserver-7-4-2-libs\include\iconv.h
E:\osg\release-1911-x64-gdal-3-0-2-mapserver-7-4-2-libs\lib\iconv.lib