Apply symbolic link to files to support OpenCV3

In OpenCV4, there are some changes which don't support compatibility.
For example, header files's location is changed and
pc file's name is also changed.
To support compatibility, create symbolic links to them.

Signed-off-by: Tae-Young Chung <ty83.chung@samsung.com>

diff --git a/packaging/opencv.spec b/packaging/opencv.spec
index ab66af7..e5b4e18 100644 (file)
--- a/packaging/opencv.spec
+++ b/packaging/opencv.spec
@@ -1,7 +1,7 @@
 Name: opencv
 Summary: OpenCV library
 Version: 4.2.0
-Release: 1
+Release: 2
 Group: Development/Libraries
 License: BSD-3-Clause and LGPL-2.1+
 Source0: %{name}-%{version}.tar.gz
@@ -52,6 +52,11 @@ ARCH=x86_64
 %ifarch %ix86
 ARCH=i386
 %endif
+
+# compatibility to opencv3
+sed -i 's/opencv4.pc/opencv.pc/g' cmake/OpenCVGenPkgconfig.cmake
+
+
 mkdir -p build
 cd build
 cmake .. -DCMAKE_INSTALL_PREFIX=/usr \
@@ -222,6 +227,21 @@ cd build
 rm -rf %{buildroot}
 %make_install
 
+# To support backward compatibility with OpenCV3
+# Header files
+ln -sf %{_includedir}/opencv4/opencv2 %{buildroot}%{_includedir}/opencv2
+# pkgconfig
+ln -sf %{_libdir}/pkgconfig/opencv.pc %{buildroot}%{_libdir}/pkgconfig/%{name}4.pc
+# cascades files
+mkdir -p %{buildroot}%{_datadir}/OpenCV
+ln -sf %{_datadir}/opencv4/haarcascades %{buildroot}%{_datadir}/OpenCV/haarcascades
+ln -sf %{_datadir}/opencv4/lbpcascades %{buildroot}%{_datadir}/OpenCV/lbpcascades
+
+ln -sf %{_libdir}/cmake/opencv4/OpenCVConfig-version.cmake %{buildroot}%{_datadir}/OpenCV/OpenCVConfig-version.cmake
+ln -sf %{_libdir}/cmake/opencv4/OpenCVConfig.cmake %{buildroot}%{_datadir}/OpenCV/OpenCVConfig.cmake
+ln -sf %{_libdir}/cmake/opencv4/OpenCVModules-release.cmake %{buildroot}%{_datadir}/OpenCV/OpenCVModules-release.cmake
+ln -sf %{_libdir}/cmake/opencv4/OpenCVModules.cmake %{buildroot}%{_datadir}/OpenCV/OpenCVModules.cmake
+
 %clean
 rm -rf %{buildroot}
 
@@ -241,6 +261,9 @@ rm -rf %{buildroot}
 /usr/share/opencv4/haarcascades/*frontalface_alt*
 /usr/share/opencv4/haarcascades/*smile*
 /usr/share/opencv4/lbpcascades/*frontalface*
+/usr/share/OpenCV/OpenCV*
+/usr/share/OpenCV/haarcascades
+/usr/share/OpenCV/lbpcascades
 
 %exclude /usr/share/opencv4/haarcascades/*eye*
 %exclude /usr/share/opencv4/haarcascades/*catface*