Use QT 5 on RHEL/CentOS 7

bacula.spec

@@ -3,7 +3,7 @@
 
 Name:               bacula
 Version:            9.4.1
-Release:            2%{?dist}
+Release:            3%{?dist}
 Summary:            Cross platform network backup for Linux, Unix, Mac and Windows
 # See LICENSE for details
 License:            AGPLv3 with exceptions
@@ -70,24 +70,21 @@ BuildRequires:      readline-devel
 BuildRequires:      sqlite-devel
 BuildRequires:      zlib-devel
 
-# https://fedoraproject.org/wiki/Changes/perl_Package_to_Install_Core_Modules
-%if 0%{?fedora} || 0%{?rhel} > 7
-BuildRequires:      perl-interpreter
-%else
-BuildRequires:      perl
-%endif
-
 %if 0%{?fedora} || 0%{?rhel} >= 7
+BuildRequires:      qt5-qtbase-devel
 BuildRequires:      systemd
+%else
+BuildRequires:      qt4-devel >= 4.6.2
 %endif
 
 %if 0%{?fedora} || 0%{?rhel} > 7
 BuildRequires:      mariadb-connector-c-devel
-BuildRequires:      qt5-devel
+# https://fedoraproject.org/wiki/Changes/perl_Package_to_Install_Core_Modules
+BuildRequires:      perl-interpreter
 %else
 BuildRequires:      mysql-devel
+BuildRequires:      perl
 BuildRequires:      tcp_wrappers-devel
-BuildRequires:      qt4-devel >= 4.6.2
 %endif
 
 %if 0%{?fedora} >= 30
@@ -339,7 +336,7 @@ find updatedb -type f | xargs chmod -x
 %build
 export CFLAGS="$RPM_OPT_FLAGS -I%{_includedir}/ncurses"
 export CPPFLAGS="$RPM_OPT_FLAGS -I%{_includedir}/ncurses"
-%if 0%{?fedora} || 0%{?rhel} > 7
+%if 0%{?fedora} || 0%{?rhel} >= 7
 export PATH="$PATH:%{_qt5_bindir}"
 %else
 export PATH="$PATH:%{_qt4_bindir}"
@@ -392,7 +389,7 @@ sed -i 's|^runpath_var=LD_RUN_PATH|runpath_var=DIE_RPATH_DIE|g' libtool
 %make_build -C examples/nagios/check_bacula
 
 pushd src/qt-console/tray-monitor
-%if 0%{?fedora} || 0%{?rhel} > 7
+%if 0%{?fedora} || 0%{?rhel} >= 7
     %{?qmake_qt5}%{!?qmake_qt5:qmake-qt5} tray-monitor.pro
 %else
     %{?qmake_qt4}%{!?qmake_qt4:qmake-qt4} tray-monitor.pro
@@ -417,7 +414,7 @@ rm -f %{buildroot}%{_libdir}/libbaccats.so
 # Bat
 install -p -m 644 -D src/qt-console/images/bat_icon.png %{buildroot}%{_datadir}/pixmaps/bat_icon.png
 install -p -m 644 -D scripts/bat.desktop %{buildroot}%{_datadir}/applications/bat.desktop
-%if 0%{?fedora} || 0%{?rhel} > 7
+%if 0%{?fedora} || 0%{?rhel} >= 7
 # ?
 install -p -m 755 -D src/qt-console/.libs/bat %{buildroot}%{_sbindir}/bat
 %endif
@@ -752,6 +749,10 @@ fi
 %{_libdir}/nagios/plugins/check_bacula
 
 %changelog
+* Sun Jan 13 2019 Simone Caronni <negativo17@gmail.com> - 9.4.1-3
+- Build QT programs with QT 5 on RHEL/CentOS 7. Also, reduce the number of
+  required QT packages for building.
+
 * Sun Jan 13 2019 Simone Caronni <negativo17@gmail.com> - 9.4.1-2
 - Add Debian patch to enable/disable S3 support at configure time.
 - Disable S3 as it does not currently build: