Build a package with ZBar java JNI and jar library

Add an extra ZBar package with java libraries, just in case
someone wants to use it inside a Java application.

While here, change config to prefer using ImageMagick instead
of GraphicsMagick, as this is the recommended conversion library.

Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>

.gitignore

@@ -5,3 +5,4 @@ zbar-0.10.tar.bz2
 /zbar-0.21.tar.bz2
 /zbar-0.22.tar.bz2
 /zbar-0.22.2.tar.gz
+/zbar-0.22.2.tar.bz2

sources

@@ -1 +1 @@
-SHA512 (zbar-0.22.2.tar.gz) = c8c683c785366d6256523959552073e7dac741af4b8edc48d39a7da8b9f0f50616a8db2d5ed89864499f028b08d044ea1b94d4b2a6c95dd381650c684c979c38
+SHA512 (zbar-0.22.2.tar.bz2) = 35d8a50323970b2fc6b59126bf3e8af44b1ced904b0044345517cb14ade7042560aa66812260c6ded0bd7eb8ac0b25eb986d402a967f20a47a4152e7369362b9

zbar.spec

@@ -9,8 +9,9 @@ Source0:	https://linuxtv.org/downloads/%{name}/%{name}-%{version}.tar.bz2
 
 BuildRequires:	autoconf automake libtool gettext-devel
 BuildRequires:	qt5-qtbase-devel qt5-qtx11extras-devel
-BuildRequires:	gtk2-devel GraphicsMagick-c++-devel
+BuildRequires:	gtk2-devel ImageMagick-devel
 BuildRequires:	libv4l-devel libXv-devel xmlto dbus-devel
+BuildRequires:  java-11-openjdk-devel
 
 %description
 A layered bar code scanning and decoding library. Supports EAN, UPC, Code 128,
@@ -60,12 +61,21 @@ This package contains header files and additional libraries used for
 developing GUI applications based on Qt4 that include a bar code
 scanning widget.
 
+%package java
+Summary: Bar code reader Java library
+Requires: pkgconfig, %{name}-gtk = %{version}-%{release}, %{name}-devel = %{version}-%{release}
+
+%description java
+This package contains header files and additional libraries used for
+on Java Native Interface (JNI) applications using ZBar.
+
+
 %prep
 %setup -q
 
 %build
 autoreconf -vfi
-%configure --without-java --with-graphicsmagick --without-python2 --docdir=%{_docdir}/%{name}-%{version}
+%configure --without-python2 --docdir=%{_docdir}/%{name}-%{version}
 
 # rpath
 sed -i 's|^hardcode_libdir_flag_spec=.*|hardcode_libdir_flag_spec=""|g' libtool
@@ -76,6 +86,9 @@ make %{?_smp_mflags}
 %install
 rm -rf $RPM_BUILD_ROOT
 make install DESTDIR=$RPM_BUILD_ROOT INSTALL="install -p"
+install -d %{buildroot}%{_jnidir}
+mv %{buildroot}%{_datadir}/zbar/lib/zbar.jar %{buildroot}%{_jnidir}
+mv %{buildroot}%{_datadir}/zbar/lib/libzbarjni.so* %{buildroot}%{_libdir}
 
 #Remove .la and .a files
 find ${RPM_BUILD_ROOT} -name '*.la' -or -name '*.a' | xargs rm -f
@@ -136,6 +149,10 @@ rm -rf $RPM_BUILD_ROOT/usr/share/doc/zbar-%{version}/
 %{_libdir}/pkgconfig/zbar-qt.pc
 %{_includedir}/zbar/QZBar*.h
 
+%files java
+%{_jnidir}/zbar.jar
+%{_libdir}/libzbarjni.so*
+
 %changelog
 * Mon Apr 29 2019 Mauro Carvalho Chehab <mchehab+samsung@kernel.org> - 0.22.2-1
 - Update to 0.22.2: added support for Java 11