How to install these programs?

**steeldriver** · May 9th, 2013

The 'mkdir Build && cd Build' commands ONLY related to the (Cmake-based) build of the OpenCV library - no need to do those for the actual headtrack build, as far as I can see from the INSTALL file 'headtrack' just requires a simple 'make' in the same directory as the headtrack.c file

Code:

$ cd /usr/local/src/headtrack
$ make

However it looks like something has tried to do a 'make install' but taken your current directory as the install root (instead of the real system root '/') so that it has created a whole 'root tree' in the current dir i.e. ./usr, ./usr/bin etc.

If you post the headtrack Makefile we can try to puzzle it out, or you can just remove the whole spurious tree from /usr/local/src/headtrack/headtrack down and try the 'make' command again

**paulemony** · May 9th, 2013

Yes, /usr/local/src/headtrack/headtrack just duplicates /usr/local/src/headtrack/debian, which contains DEBIAN and usr folders.

Makefile:

CFLAGS= -msse -I/usr/include/X11 -W -msse2 -std=c99 -fomit-frame-pointer

headtrack64: headtrack.c
gcc $(CFLAGS) -fno-strict-aliasing -m64 -mtune=amdfam10 -Wno-unused-parameter -Wno-unused-value -Wno-unused-function -W -Wall -O3 -I/usr/include/X11 `pkg-config --cflags --libs opencv x11 gtk+-2.0 gthread-2.0` -o headtrack headtrack.c

headtrack32: headtrack.c
gcc -std=c99 -fno-strict-aliasing -Wno-unused-parameter -Wno-unused-value -Wno-unused-function -W -Wall -O2 -I/usr/include/X11 `pkg-config --cflags --libs opencv x11 gtk+-2.0 gthread-2.0` -m32 -o headtrack32 headtrack.c

deb64: headtrack64
mkdir -p ./debian/usr/bin
mkdir -p ./debian/usr/share/headtrack
cp headtrack ./debian/usr/bin/headtrack
dpkg --build debian
mv debian.deb headtrack.deb

deb32: headtrack32
mkdir -p ./debian/usr/bin
mkdir -p ./debian/usr/share/headtrack
cp headtrack32 ./debian/usr/bin/headtrack
dpkg --build debian
mv debian.deb headtrack.deb

installdeb: deb64
sudo dpkg -i headtrack.deb
sudo cp /usr/share/doc/opencv-doc/examples/haarcascades/haarcascades/haarcascade_frontalface_alt.xml.gz /usr/local/headtrack/haarcascade_frontalface_alt.xml.gz
sudo gunzip /usr/local/headtrack/haarcascade_frontalface_alt.xml.gz

install: headtrack
cp headtrack /usr/bin/headtrack

install-fgfiles:
cp fgfs/FG_ROOT/gui/dialogs/headtracking.xml $(FG_ROOT)/gui/dialogs/headtracking.xml
mv $(FG_ROOT)/gui/menubar.xml $(FG_ROOT)/gui/menubar.xml.orignal
cp fgfs/FG_ROOT/gui/menubar.xml $(FG_ROOT)/gui/menubar.xml
cp fgfs/FG_ROOT/Protocol/headtrack.xml $(FG_ROOT)/Protocol/headtrack.xml

install-nasfile:
cp fgfs/headtracking.nas $(HOME)/.fgfs/Nasal/headtracking.nas

uninstall:
rm -f /usr/bin/headtrack

clean:
rm -f ./headtrack
rm -f ./headtrack.deb
rm -f ./headtrack32
rm -f ./debian/usr/bin/headtrack

run:
./headtrack

**paulemony** · May 9th, 2013

P.S. Deleted sub-directory & tried "make" again:

Code:

$:/usr/local/src/headtrack$ makegcc -msse -I/usr/include/X11 -W -msse2 -std=c99 -fomit-frame-pointer  -fno-strict-aliasing -m64 -mtune=amdfam10 -Wno-unused-parameter -Wno-unused-value -Wno-unused-function -W -Wall -O3 -I/usr/include/X11 `pkg-config --cflags --libs opencv x11 gtk+-2.0 gthread-2.0` -o headtrack headtrack.c
headtrack.c: In function ‘main’:
headtrack.c:105:7: warning: variable ‘new_transmitterthread’ set but not used [-Wunused-but-set-variable]
/tmp/cc7SSsHs.o: In function `main':
headtrack.c:(.text.startup+0x247): undefined reference to `cvLoad'
headtrack.c:(.text.startup+0x27a): undefined reference to `cvCreateImage'
headtrack.c:(.text.startup+0x29a): undefined reference to `cvCreateImage'
headtrack.c:(.text.startup+0x2ba): undefined reference to `cvCreateImage'
headtrack.c:(.text.startup+0x2de): undefined reference to `cvCreateImage'
headtrack.c:(.text.startup+0x2fe): undefined reference to `cvCreateImage'
headtrack.c:(.text.startup+0x318): undefined reference to `cvNamedWindow'
headtrack.c:(.text.startup+0x322): undefined reference to `cvGetWindowHandle'
headtrack.c:(.text.startup+0x32f): undefined reference to `g_type_check_instance_cast'
headtrack.c:(.text.startup+0x347): undefined reference to `g_signal_connect_data'
headtrack.c:(.text.startup+0x3b8): undefined reference to `cvCreateMat'
headtrack.c:(.text.startup+0x3d3): undefined reference to `cvCreateMat'
headtrack.c:(.text.startup+0x3e6): undefined reference to `cvSetZero'
headtrack.c:(.text.startup+0x3f2): undefined reference to `cvSetZero'
headtrack.c:(.text.startup+0x41d): undefined reference to `cv2DRotationMatrix'
headtrack.c:(.text.startup+0x448): undefined reference to `cv2DRotationMatrix'
headtrack.c:(.text.startup+0x44f): undefined reference to `cvCreateMemStorage'
headtrack.c:(.text.startup+0x46b): undefined reference to `cvCreateCameraCapture'
headtrack.c:(.text.startup+0x4a5): undefined reference to `cvQueryFrame'
headtrack.c:(.text.startup+0x4b9): undefined reference to `cvResize'
headtrack.c:(.text.startup+0x4d1): undefined reference to `cvCvtColor'
headtrack.c:(.text.startup+0x505): undefined reference to `cvHaarDetectObjects'
headtrack.c:(.text.startup+0x753): undefined reference to `atan'
headtrack.c:(.text.startup+0x79e): undefined reference to `atan'
headtrack.c:(.text.startup+0x80f): undefined reference to `cvGetSeqElem'
headtrack.c:(.text.startup+0x906): undefined reference to `cv2DRotationMatrix'
headtrack.c:(.text.startup+0x938): undefined reference to `cv2DRotationMatrix'
headtrack.c:(.text.startup+0xa14): undefined reference to `cvRectangle'
headtrack.c:(.text.startup+0xc28): undefined reference to `cvRectangle'
headtrack.c:(.text.startup+0xc3b): undefined reference to `cvFlip'
headtrack.c:(.text.startup+0xc53): undefined reference to `cvPyrDown'
headtrack.c:(.text.startup+0xc64): undefined reference to `cvShowImage'
headtrack.c:(.text.startup+0xc6e): undefined reference to `cvWaitKey'
headtrack.c:(.text.startup+0xc82): undefined reference to `cvReleaseMat'
headtrack.c:(.text.startup+0xc8e): undefined reference to `cvReleaseMat'
headtrack.c:(.text.startup+0xc9a): undefined reference to `cvReleaseHaarClassifierCascade'
headtrack.c:(.text.startup+0xca6): undefined reference to `cvReleaseCapture'
headtrack.c:(.text.startup+0xcb0): undefined reference to `cvDestroyWindow'
headtrack.c:(.text.startup+0xcbc): undefined reference to `cvReleaseMemStorage'
headtrack.c:(.text.startup+0xd98): undefined reference to `cvWarpAffine'
headtrack.c:(.text.startup+0xdcc): undefined reference to `cvHaarDetectObjects'
headtrack.c:(.text.startup+0xe4c): undefined reference to `cvWarpAffine'
headtrack.c:(.text.startup+0xe80): undefined reference to `cvHaarDetectObjects'
headtrack.c:(.text.startup+0xeae): undefined reference to `cvLoad'
headtrack.c:(.text.startup+0xece): undefined reference to `cvLoad'
collect2: ld returned 1 exit status
make: *** [headtrack64] Error 1

**steeldriver** · May 9th, 2013

Well I don't see anything there that would have created those extra dirs - perhaps they were stubs that got left in the headtrack tarball (assuming you unpacked it from a tarball)?

Regardless, there doesn't appear to be anything of value in them so I still suggest removing the /usr/local/src/headtrack/headtrack directory which is blocking creation of the identically named headtrack executable file, and then running either

Code:

make headtrack32

Code:

make headtrack64

depending on your platform (if you just run 'make' with no target argument it looks like it will try to build the 64-bit version, since that's the default target in the Makefile)

EDIT: just seen you most recent post, that's all looking good except there's a library order issue - the current linker doesn't attempt to resolve references like that so you will need to modify the Makefile a little to get everything in the right order manually:

Code:

headtrack64: headtrack.c
gcc $(CFLAGS) -fno-strict-aliasing -m64 -mtune=amdfam10 -Wno-unused-parameter -Wno-unused-value -Wno-unused-function -W -Wall -O3 -I/usr/include/X11 `pkg-config --cflags --libs opencv x11 gtk+-2.0 gthread-2.0` -o headtrack headtrack.c

to

Code:

headtrack64: headtrack.c
gcc $(CFLAGS) -fno-strict-aliasing -m64 -mtune=amdfam10 -Wno-unused-parameter -Wno-unused-value -Wno-unused-function -W -Wall -O3 -I/usr/include/X11 `pkg-config --cflags opencv x11 gtk+-2.0 gthread-2.0` -o headtrack headtrack.c `pkg-config --libs opencv x11 gtk+-2.0 gthread-2.0`

i.e. split the 'cflags' and 'libs' parts of pkg-config and put the 'libs' part AFTER the headtrack.c file (same for the 32-bit target if you want to build that)

**paulemony** · May 9th, 2013

OK, Makefile now:

CFLAGS= -msse -I/usr/include/X11 -W -msse2 -std=c99 -fomit-frame-pointer

headtrack64: headtrack.c
gcc $(CFLAGS) -fno-strict-aliasing -m64 -mtune=amdfam10 -Wno-unused-parameter -Wno-unused-value -Wno-unused-function -W -Wall -O3 -I/usr/include/X11 `pkg-config --cflags opencv x11 gtk+-2.0 gthread-2.0` -o headtrack headtrack.c `pkg-config --libs opencv x11 gtk+-2.0 gthread-2.0`

headtrack32: headtrack.c
gcc -std=c99 -fno-strict-aliasing -Wno-unused-parameter -Wno-unused-value -Wno-unused-function -W -Wall -O2 -I/usr/include/X11 `pkg-config --cflags --libs opencv x11 gtk+-2.0 gthread-2.0` -m32 -o headtrack32 headtrack.c

deb64: headtrack64
mkdir -p ./debian/usr/bin
mkdir -p ./debian/usr/share/headtrack
cp headtrack ./debian/usr/bin/headtrack
dpkg --build debian
mv debian.deb headtrack.deb

deb32: headtrack32
mkdir -p ./debian/usr/bin
mkdir -p ./debian/usr/share/headtrack
cp headtrack32 ./debian/usr/bin/headtrack
dpkg --build debian
mv debian.deb headtrack.deb

installdeb: deb64
sudo dpkg -i headtrack.deb
sudo cp /usr/share/doc/opencv-doc/examples/haarcascades/haarcascades/haarcascade_frontalface_alt.xml.gz /usr/local/headtrack/haarcascade_frontalface_alt.xml.gz
sudo gunzip /usr/local/headtrack/haarcascade_frontalface_alt.xml.gz

install: headtrack
cp headtrack /usr/bin/headtrack

install-fgfiles:
cp fgfs/FG_ROOT/gui/dialogs/headtracking.xml $(FG_ROOT)/gui/dialogs/headtracking.xml
mv $(FG_ROOT)/gui/menubar.xml $(FG_ROOT)/gui/menubar.xml.orignal
cp fgfs/FG_ROOT/gui/menubar.xml $(FG_ROOT)/gui/menubar.xml
cp fgfs/FG_ROOT/Protocol/headtrack.xml $(FG_ROOT)/Protocol/headtrack.xml

install-nasfile:
cp fgfs/headtracking.nas $(HOME)/.fgfs/Nasal/headtracking.nas

uninstall:
rm -f /usr/bin/headtrack

clean:
rm -f ./headtrack
rm -f ./headtrack.deb
rm -f ./headtrack32
rm -f ./debian/usr/bin/headtrack

run:
./headtrack

However:

Code:

$:/usr/local/src/headtrack$ make headtrack64
make: Nothing to be done for `headtrack64'.


$:/usr/local/src/headtrack$ make headtrack
cc -msse -I/usr/include/X11 -W -msse2 -std=c99 -fomit-frame-pointer     headtrack.c   -o headtrack
headtrack.c:42:16: fatal error: cv.h: No such file or directory
compilation terminated.
make: *** [headtrack] Error 1


$:/usr/local/src/headtrack$ make
make: Nothing to be done for `headtrack64'.

**steeldriver** · May 9th, 2013

Hi again

The Makefile seems like it needs some tidying up - there doesn't appear to be an actual 'headtrack' target, only the separate 'headtrack64' and 'headtrack32' targets. So when you try to 'make headtrack' it just guesses how to build it (or more precisely, it uses default rules for making an executable from a .c file) - which doesn't include any of the pkg-configs or other stuff (just the CFLAGS) - so it fails. And the 'clean' rules don't reflect the 32/64 bit distinction correctly.

Since it's only a single .c file creating a single executable probably the easiest thing is to forget about 'make' altogether and just run the compiler directly e.g. gluing together (and rationalizing) all the options for the 64-bit build [I don't know if any of these options - except for the warnings (-Wxx) - are actually good to use BTW]

Code:

$ rm headtrack
$ rm *.o
$
$ CFLAGS="-msse -msse2 -std=c99 -fomit-frame-pointer -fno-strict-aliasing -m64 -mtune=amdfam10 -Wall -Wextra -O3 -I/usr/include/X11 `pkg-config --cflags opencv x11 gtk+-2.0 gthread-2.0`"
$ LIBS="`pkg-config --libs opencv x11 gtk+-2.0 gthread-2.0`"
$ 
$ gcc $CFLAGS -o headtrack  headtrack.c $LIBS

**paulemony** · May 10th, 2013

Not sure I understand why the rm command, does the entire headtrack directory have to be removed?

Command doesn't work anyway:

Code:

$:/usr/local/src$ rm headtrack
rm: cannot remove `headtrack': Is a directory

I suppose I could just erase it with nautilus?

Another problem, dicovered that OpenCV-2.1.0 isn't installed after all even though it looked as if it was:

Code:

$:/usr/local/src/OpenCV-2.1.0/Build$ sudo make install[ 47%] Built target opencv_lapack
[ 48%] Built target flann
[ 51%] Built target zlib
[ 54%] Built target cxcore
[ 64%] Built target cv
[ 68%] Built target highgui
[ 70%] Built target ml
[ 83%] Built target cvaux
[ 84%] Built target cvhaartraining
[ 84%] Built target createsamples
[ 84%] Built target haartraining
[ 84%] Built target performance
[ 85%] Built target traincascade
[ 85%] Built target cxts
[ 96%] Built target cvtest
[ 99%] Built target cxcoretest
[100%] Built target mltest
[100%] Built target cvpy
Install the project...
-- Install configuration: "RELEASE"
-- Installing: /usr/local/share/opencv/OpenCVConfig.cmake
-- Installing: /usr/local/lib/pkgconfig/opencv.pc
-- Installing: /usr/local/lib/libcxcore.so.2.1.0
-- Up-to-date: /usr/local/lib/libcxcore.so.2.1
-- Up-to-date: /usr/local/lib/libcxcore.so
-- Installing: /usr/local/include/opencv/cxcore.h
-- Up-to-date: /usr/local/include/opencv/cxcore.hpp
-- Up-to-date: /usr/local/include/opencv/cxerror.h
-- Up-to-date: /usr/local/include/opencv/cxmat.hpp
-- Up-to-date: /usr/local/include/opencv/cxmisc.h
-- Up-to-date: /usr/local/include/opencv/cxoperations.hpp
-- Up-to-date: /usr/local/include/opencv/cxtypes.h
-- Up-to-date: /usr/local/include/opencv/cvver.h
-- Up-to-date: /usr/local/include/opencv/cvwimage.h
-- Up-to-date: /usr/local/include/opencv/cxflann.h
-- Up-to-date: /usr/local/include/opencv/cvinternal.h
-- Installing: /usr/local/lib/libcv.so.2.1.0
-- Up-to-date: /usr/local/lib/libcv.so.2.1
-- Up-to-date: /usr/local/lib/libcv.so
-- Removed runtime path from "/usr/local/lib/libcv.so.2.1.0"
-- Up-to-date: /usr/local/include/opencv/cv.h
-- Up-to-date: /usr/local/include/opencv/cv.hpp
-- Up-to-date: /usr/local/include/opencv/cvcompat.h
-- Up-to-date: /usr/local/include/opencv/cvtypes.h
-- Installing: /usr/local/lib/libcvaux.so.2.1.0
-- Up-to-date: /usr/local/lib/libcvaux.so.2.1
-- Up-to-date: /usr/local/lib/libcvaux.so
-- Removed runtime path from "/usr/local/lib/libcvaux.so.2.1.0"
-- Up-to-date: /usr/local/include/opencv/cvaux.h
-- Up-to-date: /usr/local/include/opencv/cvaux.hpp
-- Up-to-date: /usr/local/include/opencv/cvvidsurv.hpp
-- Installing: /usr/local/lib/libml.so.2.1.0
-- Up-to-date: /usr/local/lib/libml.so.2.1
-- Up-to-date: /usr/local/lib/libml.so
-- Removed runtime path from "/usr/local/lib/libml.so.2.1.0"
-- Up-to-date: /usr/local/include/opencv/ml.h
-- Installing: /usr/local/lib/libhighgui.so.2.1.0
-- Up-to-date: /usr/local/lib/libhighgui.so.2.1
-- Up-to-date: /usr/local/lib/libhighgui.so
-- Removed runtime path from "/usr/local/lib/libhighgui.so.2.1.0"
-- Up-to-date: /usr/local/include/opencv/highgui.h
-- Up-to-date: /usr/local/include/opencv/highgui.hpp
-- Installing: /usr/local/bin/opencv_haartraining
-- Removed runtime path from "/usr/local/bin/opencv_haartraining"
-- Installing: /usr/local/bin/opencv_createsamples
-- Removed runtime path from "/usr/local/bin/opencv_createsamples"
-- Installing: /usr/local/bin/opencv_performance
-- Removed runtime path from "/usr/local/bin/opencv_performance"
-- Installing: /usr/local/bin/opencv_traincascade
-- Removed runtime path from "/usr/local/bin/opencv_traincascade"
-- Up-to-date: /usr/local/share/opencv/doc/index.htm
-- Up-to-date: /usr/local/share/opencv/doc/ChangeLog.htm
-- Up-to-date: /usr/local/share/opencv/doc/haartraining.htm
-- Up-to-date: /usr/local/share/opencv/doc/CMakeLists.txt
-- Up-to-date: /usr/local/share/opencv/doc/license.txt
-- Up-to-date: /usr/local/share/opencv/doc/packaging.txt
-- Up-to-date: /usr/local/share/opencv/doc/README.txt
-- Up-to-date: /usr/local/share/opencv/doc/opencv.jpg
-- Up-to-date: /usr/local/share/opencv/doc/opencv-logo.png
-- Up-to-date: /usr/local/share/opencv/doc/opencv-logo2.png
-- Up-to-date: /usr/local/share/opencv/doc/opencv.pdf
-- Up-to-date: /usr/local/share/opencv/doc/pattern.pdf
-- Up-to-date: /usr/local/share/opencv/doc/papers/camshift.pdf
-- Up-to-date: /usr/local/share/opencv/doc/papers/algo_tracking.pdf
-- Up-to-date: /usr/local/share/opencv/doc/papers/avbpa99.ps
-- Up-to-date: /usr/local/share/opencv/doc/vidsurv/Blob_Tracking_Tests.doc
-- Up-to-date: /usr/local/share/opencv/doc/vidsurv/TestSeq.doc
-- Up-to-date: /usr/local/share/opencv/doc/vidsurv/Blob_Tracking_Modules.doc
-- Up-to-date: /usr/local/share/opencv/haarcascades/haarcascade_frontalface_alt_tree.xml
-- Up-to-date: /usr/local/share/opencv/haarcascades/haarcascade_eye.xml
-- Up-to-date: /usr/local/share/opencv/haarcascades/haarcascade_mcs_eyepair_small.xml
-- Up-to-date: /usr/local/share/opencv/haarcascades/haarcascade_mcs_nose.xml
-- Up-to-date: /usr/local/share/opencv/haarcascades/haarcascade_mcs_mouth.xml
-- Up-to-date: /usr/local/share/opencv/haarcascades/haarcascade_mcs_righteye.xml
-- Up-to-date: /usr/local/share/opencv/haarcascades/haarcascade_lowerbody.xml
-- Up-to-date: /usr/local/share/opencv/haarcascades/haarcascade_mcs_upperbody.xml
-- Up-to-date: /usr/local/share/opencv/haarcascades/haarcascade_mcs_eyepair_big.xml
-- Up-to-date: /usr/local/share/opencv/haarcascades/haarcascade_mcs_lefteye.xml
-- Up-to-date: /usr/local/share/opencv/haarcascades/haarcascade_frontalface_alt2.xml
-- Up-to-date: /usr/local/share/opencv/haarcascades/haarcascade_upperbody.xml
-- Up-to-date: /usr/local/share/opencv/haarcascades/haarcascade_eye_tree_eyeglasses.xml
-- Up-to-date: /usr/local/share/opencv/haarcascades/haarcascade_lefteye_2splits.xml
-- Up-to-date: /usr/local/share/opencv/haarcascades/haarcascade_frontalface_default.xml
-- Up-to-date: /usr/local/share/opencv/haarcascades/haarcascade_frontalface_alt.xml
-- Up-to-date: /usr/local/share/opencv/haarcascades/haarcascade_fullbody.xml
-- Up-to-date: /usr/local/share/opencv/haarcascades/haarcascade_profileface.xml
-- Up-to-date: /usr/local/share/opencv/haarcascades/haarcascade_righteye_2splits.xml
-- Up-to-date: /usr/local/share/opencv/lbpcascades/lbpcascade_frontalface.xml
-- Installing: /usr/local/lib/python2.7/site-packages/cv.so
$:/usr/local/src/OpenCV-2.1.0/Build$ dpkg -s opencv
Package `opencv' is not installed and no info is available.
Use dpkg --info (= dpkg-deb --info) to examine archive files,
and dpkg --contents (= dpkg-deb --contents) to list their contents.

In a bind here, if I'd known this was going to be such hard work I wouldn't have bothered (it really shouldn't be this complicated, surely?), but on the other hand having spent so much time on it reluctant to abandon it if the solution is just around the corner.

**steeldriver** · May 10th, 2013

NOOOO! I meant to execute the rm command INSIDE your /src/headtrack directory - to delete the most recent heatrack executable. Sorry if that wasn't clear.

I think you *will* be able to get headrack to build HOWEVER it's possible that it won't actually run without the OpenCV components that we had to exclude in order to get *that* to build.

I'll post back again shortly - just wanted to clear up the confusion about the rm command ASAP

**steeldriver** · May 10th, 2013

OK here's a Makefile that should let you build headtrack from a (relative) local build of OpenCV-2.1.0 i.e. WITHOUT actually installing the old OpenCV libraries. It assumes that your local source tree looks like

Code:

$ tree -L 1
.
├── headtrack
├── nlopt
├── OpenCV-2.1.0
└── optpp

4 directories, 0 files

i.e. the top level headtrack and OpenCV-2.1.0 directories are untarred side-by-side. I got the headtrack distribution from https://git.gitorious.org/headtrack/headtrack.git , I hope that's the one we're dealing with here (there do seem to be some other possibly newer OpenCV based headtrack projects out there).

Code:

CC = gcc

TRGT = headtrack

SRCS = headtrack.c

OBJS = $(SRCS:.c=.o)

INSTDIR = /usr/bin


CFLAGS := -std=c99 -Wall -Wextra -msse -msse2 \
    -fomit-frame-pointer -fno-strict-aliasing \
    -I/usr/include/X11 $(shell pkg-config --cflags gtk+-2.0 gthread-2.0)

# to find the regularly-installed OpenCV
#CFLAGS += $(shell pkg-config --cflags opencv) 
# to find local version of OpenCV
CFLAGS += -I../OpenCV-2.1.0/include/opencv

ARCH := $(shell uname -m)
ifeq ($(ARCH), x86_64)
  CFLAGS += -m64 -mtune=amdfam10 -O3
else
  CFLAGS += -m32 -O2
endif

# to find the regularly-installed OpenCV
#LPATH :=
# to find local version of OpenCV
LPATH := -L../OpenCV-2.1.0/Build/lib/

#LIBS := $(shell pkg-config --libs opencv gtk+-2.0 gthread-2.0)
LIBS := -lml -lcvaux -lhighgui -lcv  -lcxcore \
    $(shell pkg-config --libs gtk+-2.0 gthread-2.0)

$(TRGT): $(OBJS)
    $(CC) $(OBJS) $(LPATH) $(LIBS) -o $@


install: $(TRGT)
    cp $(TRGT) $(INSTALLDIR)/$(TRGT)

uninstall: 
    rm -f $(INSTALLDIR)/$(TRGT)


clean: 
    rm -f $(OBJS)

cleaner: clean
    rm -f $(TRGT)

cleanest: cleaner

It worked for me on my 32-bit laptop with 12.04.2; I also got it to build in a 64-bit crunchbang VM although there are a few extra things that need fixing (due, I think, to having gcc-4.7 on that box - rather than the fact that it's 64-bit).

Since you are not actually installing the OpenCV libraries into your 'system', in order to run the executable you will need to tell the dynamic linker where to find them - just for testing purposes I suggest you do that using LD_LIBRARY_PATH (it's oldskool, dirty, and frowned upon - but I think it's justified in this case) i.e.

Code:

steeldriver@alice-vm1:/usr/local/src/headtrack$ LD_LIBRARY_PATH=../OpenCV-2.1.0/Build/lib/ ./headtrack
headtrack.c: Created socket. Destination = 127.0.0.1:49405!
Sorry, cannot open camera.
OpenCV Error: Null pointer (NULL array pointer is passed) in cvGetMat, file /usr/local/src/OpenCV-2.1.0/src/cxcore/cxarray.cpp, line 2376
terminate called after throwing an instance of 'cv::Exception'
  what():  /usr/local/src/OpenCV-2.1.0/src/cxcore/cxarray.cpp:2376: error: (-27) NULL array pointer is passed in function cvGetMat

Aborted
steeldriver@alice-vm1:/usr/local/src/headtrack$

As you can see it is bombing because I don't have any kind of camera / video device. It *may* bomb even *with* a valid camera since we had to exclude the video4linux component to get it to build - see how far you can get and we can review next steps.

**paulemony** · May 10th, 2013

Assume you meant remove the duplicate headtrack subfile, but I deleted that already, so carried on, got this far:

Code:

paul@paul-desktop:/usr/local/src$ tree -L 1.
├── headtrack
├── OpenCV-2.1.0
└── OpenCV-2.1-Readme.txt

Don't see nlopt or optpp, don't know if that matters. I replaced the Makefile in headtrack with the one you gave me (not sure if that's what I was supposed to do, and if it was what to do next):

Code:

paul@paul-desktop:/usr/local/src/headtrack$ makeMakefile:38: *** missing separator. Stop.

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