g++ `pkg-config --cflags opencv` -c -g -MMD -MP -MF hog.o.d -o hog.o hog.cpp gcc -c -g `pkg-config --cflags opencv` -MMD -MP -MF svmlight/svm_learn.o.d -o svmlight/svm_learn.o svmlight/svm_learn.c gcc -c -g `pkg-config --cflags opencv` -MMD -MP -MF svmlight/svm_hideo.o.d -o svmlight/svm_hideo.o svmlight/svm_hideo.c gcc -c -g `pkg-config --cflags opencv` -MMD -MP -MF svmlight/svm_common.o.d -o svmlight/svm_common.o svmlight/svm_common.c g++ `pkg-config --cflags opencv` -o hog hog.o svmlight/svm_learn.o svmlight/svm_hideo.o svmlight/svm_common.o `pkg-config --libs opencv`
by https://github.com/DaHoC/trainHOG/wiki/trainHOG-Tutorial