<<< metadata_duplicate_useflag_description >>> www-apache/mod_backtrace|unwind|maintainer-needed@gentoo.org <<< packages_pkgcheck_scan >>> InternalEclassUsage: version 2.01-r2: depend.apache: internal usage: '_init_apache2', line 31 InternalEclassUsage: version 2.01-r2: depend.apache: internal usage: '_init_apache2_late', line 32 <<< open bugs >>> https://bugs.gentoo.org/832994 www-apache/mod_backtrace-2.01-r2_fails_to_compile:_diag.c:56:10:_fatal_error:_execinfo.h:_No_such_file_or_directory