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經歷了這麼多麻煩後，我能夠安裝VXL-1.14.0和編譯opengazer http://www.inference.phy.cam.ac.uk/opengazer/。我跟着它的README和mirkrules http://www.mirkules.com/opengazer/vxl_install_notes.txt的一個非常有用的註釋來修改opengazer的Makefile和相關文件（例如「PointTracker.h」）。例如，在我的Makefile中，我將前幾行更改爲如下所示（vxl頭文件位於「/ usr/local/include/vxl」中，共享庫位於「/ usr/local/lib」中， libvnl_algo.so」和 「libvnl.so」）：編譯Opengazer-0.1.2並得到vnl_cholesky.h錯誤
VXLDIR = /usr/local
VERSION = opengazer-0.1.2
CPPFLAGS = -Wall -g -O3
LINKER = -L$(VXLDIR)/lib -L/usr/local/lib -lm -ldl -lvnl -lmvl -lvnl_algo -lvgl -lgthread-2.0
# change the following line if your vxl library is installed elsewhere
INCLUDES = $(foreach prefix,/usr/local/include $(VXLDIR)/include $(VXLDIR)/include/vxl, \
$(foreach suffix,/core /vcl /contrib/oxl /core/vnl/algo,-I$(prefix)$(suffix)))
===
然而，當我編譯，我得到如下錯誤：
LeastSquares.o: In function `LeastSquares::solve()':
/home/mycomp/Downloads/opengazer-0.1.2/LeastSquares.cpp:27: undefined reference to `vnl_cholesky::vnl_cholesky(vnl_matrix<double> const&, vnl_cholesky::Operation)'
/home/mycomp/Downloads/opengazer-0.1.2/LeastSquares.cpp:27: undefined reference to `vnl_cholesky::solve(vnl_vector<double> const&) const'
LeastSquares.o: In function `~vnl_cholesky':
/usr/local/include/vxl/core/vnl/algo/vnl_cholesky.h:45: undefined reference to `vnl_vector<double>::~vnl_vector()'
/usr/local/include/vxl/core/vnl/algo/vnl_cholesky.h:45: undefined reference to `vnl_matrix<double>::~vnl_matrix()'
LeastSquares.o: In function `LeastSquares::solve(double&, double&, double&)':
/home/mycomp/Downloads/opengazer-0.1.2/LeastSquares.cpp:39: undefined reference to `vnl_vector<double>::~vnl_vector()'
LeastSquares.o: In function `~vnl_cholesky':
/usr/local/include/vxl/core/vnl/algo/vnl_cholesky.h:45: undefined reference to `vnl_matrix<double>::~vnl_matrix()'
/usr/local/include/vxl/core/vnl/algo/vnl_cholesky.h:45: undefined reference to `vnl_vector<double>::~vnl_vector()'
/usr/local/include/vxl/core/vnl/algo/vnl_cholesky.h:45: undefined reference to `vnl_matrix<double>::~vnl_matrix()'
/usr/local/include/vxl/core/vnl/algo/vnl_cholesky.h:45: undefined reference to `vnl_matrix<double>::~vnl_matrix()'
collect2: ld returned 1 exit status
make: *** [opengazer] Error 1
誰能誰是熟悉無論是VXL，Opengazer還是編譯C庫都告訴我這裏可能發生了什麼？謝謝。