config BR2_PACKAGE_PCRE2 bool "pcre2" help Perl Compatible Regular Expressions. By default, only the 8-bits libpcre2 is built. To get the 16-bits and/or 32-bits variants libpcre2-16/libpcre2-32, use the package sub-options. http://www.pcre.org/ if BR2_PACKAGE_PCRE2 config BR2_PACKAGE_PCRE2_16 bool "16-bit pcre2" help This option builds the 16-bits pcre2 library, i.e 'libpcre2-16' config BR2_PACKAGE_PCRE2_32 bool "32-bit pcre2" help This option builds the 32-bits pcre2 library, i.e 'libpcre2-32' endif