./configure --host=arm-linux-gnueabihf --prefix=/work/src_packages/can_tools/bin/libsocketcan/
make
make install
./configure --host=arm-linux-gnueabihf --prefix=/work/src_packages/can_tools/bin/canutils libsocketcan_LIBS=-lsocketcan LDFLAGS=-L/work/src_packages/can_tools/bin/libsocketcan/lib libsocketcan_CFLAGS=-I/work/src_packages/can_tools/bin/libsocketcan/include
CFLAGS=-I/work/src_packages/can_tools/bin/libsocketcan/include
注意是libsocketcan_CFLAGS 而不是CPPFLAGS
参考链接：http://blog.csdn.net/sno_guo/article/details/17029295
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