config BR2_PACKAGE_RE2 bool "re2" depends on BR2_INSTALL_LIBSTDCPP depends on BR2_TOOLCHAIN_GCC_AT_LEAST_4_8 # needs C++11 help RE2 is a fast, safe, thread-friendly alternative to backtracking regular expression engines like those used in PCRE, Perl, and Python. It is a C++ library. https://github.com/google/re2 comment "re2 needs a toolchain w/ C++, gcc >= 4.8" depends on !BR2_INSTALL_LIBSTDCPP || !BR2_TOOLCHAIN_GCC_AT_LEAST_4_8