GDAL編譯 讀KML

1.下載 Expat 2.0.1 庫，並安裝，安裝後可以重新編譯expat

2.修改GDAL編譯選項文件
打開 nmake.opt 文件，找到
#EXPAT_DIR = "C:/Program Files/Expat 2.0.1"
#EXPAT_INCLUDE = -I$(EXPAT_DIR)/source/lib
#EXPAT_LIB = $(EXPAT_DIR)/bin/libexpat.lib
去掉前面的#號，重新編譯即可

其他選項支持（如讀GML）類似此方法