質問編集履歴
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###実現したい事
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FreeBSD11.1上でOpenCVのMatクラスを用いたソースをコンパイルしたいのですが、Matクラスのところでシンボルがないとエラーが出てしまいます。
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FreeBSD11.1上でOpenCVのMatクラスを用いたソースをコンパイルしたいのですが、Matクラスのところでシンボルがないとエラーが出てしまいます。OpenCVのインストールの手順は
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cd /usr/ports/graphics/opencv
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make
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make install
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という風にしました。すると
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```ここに言語を入力
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===> Installing for opencv-3.4.1_4
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===> Checking if opencv already installed
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===> An older version of opencv is already installed (opencv-2.4.13.1_9)
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You may wish to ``make deinstall'' and install this port again
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by ``make reinstall'' to upgrade it properly.
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If you really wish to overwrite the old port of opencv
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without deleting it first, set the variable "FORCE_PKG_REGISTER"
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in your environment or the "make install" command line.
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*** Error code 1
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Stop.
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make[1]: stopped in /usr/ports/graphics/opencv
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*** Error code 1
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Stop.
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make: stopped in /usr/ports/graphics/opencv
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```
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とエラーが出たのでmake reinstallを実行しました。すると
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```ここに言語を入力
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===> Installing for opencv-3.4.1_4
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===> Registering installation for opencv-3.4.1_4
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(opencv-3.4.1_4) /usr/ports/graphics/opencv/work/stage//usr/local/bin/opencv_annotation - required shared library libopencv_imgproc.so.3.4 not found
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(opencv-3.4.1_4) /usr/ports/graphics/opencv/work/stage//usr/local/bin/opencv_annotation - required shared library libopencv_core.so.3.4 not found
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(opencv-3.4.1_4) /usr/ports/graphics/opencv/work/stage//usr/local/bin/opencv_createsamples - required shared library libopencv_imgproc.so.3.4 not found
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(opencv-3.4.1_4) /usr/ports/graphics/opencv/work/stage//usr/local/bin/opencv_createsamples - required shared library libopencv_core.so.3.4 not found
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(opencv-3.4.1_4) /usr/ports/graphics/opencv/work/stage//usr/local/bin/opencv_interactive-calibration - required shared library libopencv_imgproc.so.3.4 not found
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(opencv-3.4.1_4) /usr/ports/graphics/opencv/work/stage//usr/local/bin/opencv_interactive-calibration - required shared library libopencv_core.so.3.4 not found
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(opencv-3.4.1_4) /usr/ports/graphics/opencv/work/stage//usr/local/bin/opencv_traincascade - required shared library libopencv_imgproc.so.3.4 not found
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(opencv-3.4.1_4) /usr/ports/graphics/opencv/work/stage//usr/local/bin/opencv_traincascade - required shared library libopencv_core.so.3.4 not found
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(opencv-3.4.1_4) /usr/ports/graphics/opencv/work/stage//usr/local/bin/opencv_version - required shared library libopencv_imgproc.so.3.4 not found
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(opencv-3.4.1_4) /usr/ports/graphics/opencv/work/stage//usr/local/bin/opencv_version - required shared library libopencv_core.so.3.4 not found
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(opencv-3.4.1_4) /usr/ports/graphics/opencv/work/stage//usr/local/bin/opencv_visualisation - required shared library libopencv_imgproc.so.3.4 not found
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(opencv-3.4.1_4) /usr/ports/graphics/opencv/work/stage//usr/local/bin/opencv_visualisation - required shared library libopencv_core.so.3.4 not found
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(opencv-3.4.1_4) /usr/ports/graphics/opencv/work/stage//usr/local/bin/opencv_waldboost_detector - required shared library libopencv_imgproc.so.3.4 not found
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(opencv-3.4.1_4) /usr/ports/graphics/opencv/work/stage//usr/local/bin/opencv_waldboost_detector - required shared library libopencv_core.so.3.4 not found
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Stop.
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make[2]: stopped in /usr/ports/graphics/opencv
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*** Error code 1
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make[1]: stopped in /usr/ports/graphics/opencv
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make: stopped in /usr/ports/graphics/opencv
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```
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とまたしてもエラーが出てしまいました。そこで一度make deinstallしてからmake installしてみると、
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```ここに言語を入力
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# make deinstall
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===> Deinstalling for opencv
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===> Deinstalling opencv-2.4.13.1_9
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Updating database digests format: 100%
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Checking integrity... done (0 conflicting)
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Deinstallation has been requested for the following 1 packages (of 0 packages in the universe):
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Installed packages to be REMOVED:
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opencv-2.4.13.1_9
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Number of packages to be removed: 1
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The operation will free 39 MiB.
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[1/1] Deinstalling opencv-2.4.13.1_9...
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[1/1] Deleting files for opencv-2.4.13.1_9: 100%
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# make install
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```
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と
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としました。原因と解決策が分かる方回答お願いします。
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###補足
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###補足
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コンパイルしたいプログラムの言語はJavaです。
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###追記で試したこと
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コンパイル時に
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```ここに言語を入力
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javac -classpath /usr/local/share/OpenCV/java/opencv-341.jar Hello.java
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```
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とするとコンパイルには成功し、クラスファイルが生成されました。その次に
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```ここに言語を入力
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java -cp /usr/local/share/OpenCV/java/opencv-341.jar Hello
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```
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と実行するとエラー: メイン・クラスHelloが見つからなかったかロードできませんでした。と出て実行に失敗しました。
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実行方法を
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```ここに言語を入力
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java -cp /usr/local/share/OpenCV/java/opencv-341.jar:ソースがあるディレクトリ Hello
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```
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と変えても
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```ここに言語を入力
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Exception in thread "main" java.lang.UnsatisfiedLinkError: no opencv_java341 in java.library.path
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at java.lang.ClassLoader.loadLibrary(ClassLoader.java:1867)
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at java.lang.Runtime.loadLibrary0(Runtime.java:870)
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at java.lang.System.loadLibrary(System.java:1122)
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at Hello.main(Hello.java:9)
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```
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というエラーが出て実行に失敗しました。
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```
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となりエラーはなくなりました。おそらくnot found がたくさんあるのでそれが原因かなとは思うのですが、未だにOpenCVが導入できていない原因と解決策が分かる方回答お願いします。
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###補足
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