The RPM macro for the linker flags does not exist on EPEL. Thus, hardcode…

debian/changelog

@@ -27,6 +27,8 @@ nx-libs (2:3.5.0.22-0x2go1) UNRELEASED; urgency=low
       to the Fedora package maintainers). File differs from the Fedora file
       already.
     + Use local tarball, don't expect  ,,-full'' in tarball name.
+    + The RPM macro for the linker flags does not exist on EPEL. Thus, hardcode
+      __global_ldflags macro for EPEL builds.
 
   [ Clemens Lang ]
   * Add patch 605_nxcomp_Types.h-dont-use-STL-internals-on-libc++.full.patch. Fix

nx-libs.spec

@@ -527,6 +527,8 @@ cat >"my_configure" <<'EOF'
 %configure
 EOF
 chmod a+x my_configure;
+# The RPM macro for the linker flags does not exist on EPEL
+%{!?__global_ldflags: %global __global_ldflags -Wl,-z,relro}
 export SHLIBGLOBALSFLAGS="%{__global_ldflags}"
 make %{?_smp_mflags} CONFIGURE="$PWD/my_configure" USRLIBDIR=%{_libdir}/nx SHLIBDIR=%{_libdir}/nx