adds gcc-toolset-11-toolchain for el8

keepassxc.spec

@@ -32,7 +32,12 @@ Patch0:         xcb.patch
 BuildRequires:  botan2-devel
 BuildRequires:  cmake >= 3.1
 BuildRequires:  desktop-file-utils
+%if 0%{?fedora}
 BuildRequires:  gcc-c++ >= 4.7
+%endif
+%if 0%{?el8}
+BuildRequires:  gcc-toolset-11-toolchain
+%endif
 BuildRequires:  libappstream-glib
 BuildRequires:  libargon2-devel
 BuildRequires:  libcurl-devel
@@ -177,6 +182,7 @@ appstream-util validate-relax --nonet %{buildroot}%{_datadir}/metainfo/org.%{nam
 %changelog
 * Fri Apr 29 2022 Germano Massullo <germano.massullo@gmail.com> - 2.7.1-3
 - enabled Patch0:xcb.patch for all branches
+- adds gcc-toolset-11-toolchain for el8
 
 * Mon Apr 11 2022 Germano Massullo <germano.massullo@gmail.com> - 2.7.1-2
 - replaces BuildRequires: minizip-compat-devel with BuildRequires: minizip-devel