在 Ubuntu 16.04 上安装 Sumo-0.30.0 时，make导致以下错误：
make[4]: Entering directory '/home/<path>/sumo-0.30.0/src/gui'
g++ -DHAVE_CONFIG_H -I. -I../../src -I/home/<path>/sumo-0.30.0/./src -I/usr/include/ffmpeg -I/usr/local/include -I/usr/include/fox-1.6 -I/usr/include/gdal -I/usr/local/include -I/usr/include -msse2 -mfpmath=sse -O2 -DNDEBUG -MT GUIViewTraffic.o -MD -MP -MF .deps/GUIViewTraffic.Tpo -c -o GUIViewTraffic.o GUIViewTraffic.cpp
In file included from GUIViewTraffic.cpp:36:0:
../../src/utils/gui/div/GUIVideoEncoder.h:58:32: fatal error: libswscale/swscale.h: No such file or directory
compilation terminated.
Makefile:449: recipe for target 'GUIViewTraffic.o' failed
安装了安装/Linux 构建库中提到的所有必备库并验证我的ffmpeg版本是最新版本后，我继续./configure执行安装指南中的命令，结果成功。./configure 结果的最后几行显示ffmpeg已启用。
Optional features summary
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Enabled: TRACI PROJ GDAL …