gcc and gcc-c++ is not in buildroot by default now

cups.spec

@@ -15,7 +15,7 @@ Summary: CUPS printing system
 Name: cups
 Epoch: 1
 Version: 2.2.6
-Release: 5%{?dist}
+Release: 6%{?dist}
 License: GPLv2
 Url: http://www.cups.org/
 Source0: https://github.com/apple/cups/releases/download/v%{VERSION}/cups-%{VERSION}-source.tar.gz
@@ -82,6 +82,12 @@ BuildRequires: pkgconfig(libsystemd)
 BuildRequires: pkgconfig(dbus-1)
 BuildRequires: automake
 
+# gcc and gcc-c++ is no longer in buildroot by default
+# gcc for most of files
+BuildRequires: gcc
+# gcc-c++ for ppdc and cups-driverd
+Buildrequires: gcc-c++ 
+
 # Make sure we get postscriptdriver tags.
 BuildRequires: python3-cups
 
@@ -616,6 +622,9 @@ rm -f %{cups_serverbin}/backend/smb
 %{_mandir}/man5/ipptoolfile.5.gz
 
 %changelog
+* Mon Feb 19 2018 Zdenek Dohnal <zdohnal@redhat.com> - 1:2.2.6-6
+- gcc and gcc-c++ is not in buildroot by default now
+
 * Wed Feb 07 2018 Fedora Release Engineering <releng@fedoraproject.org> - 1:2.2.6-5
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_28_Mass_Rebuild