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authorPaolo Bonzini <pbonzini@redhat.com>2021-10-07 15:08:29 +0200
committerPaolo Bonzini <pbonzini@redhat.com>2021-10-14 09:51:06 +0200
commit3b4da13293482134b81d71be656ec76beff73a76 (patch)
treea799bf5d234cc2059f91287f527e7a52d1352f5c /migration
parent8b5fb29842fdb586485dcfc4f24a9997c07cc9de (diff)
configure: automatically parse command line for meson -D options
Right now meson_options.txt lists about 90 options. Each option needs code in configure to parse it and pass the option down to Meson as a -D command-line argument; in addition the default must be duplicated between configure and meson_options.txt. This series tries to remove the code duplication by generating the case statement for those --enable and --disable options, as well as the corresponding help text. About 80% of the options can be handled completely by the new mechanism. Eight meson options are not of the --enable/--disable kind. Six more need to be parsed in configure for various reasons documented in the patch, but they still have their help automatically generated. The advantages are: - less code in configure - parsing and help is more consistent (for example --enable-blobs was not supported) - options are described entirely in one place, meson_options.txt. This make it more attractive to use Meson options instead of hand-crafted configure options and config-host.mak A few options change name: --enable-tcmalloc and --enable-jemalloc become --enable-malloc={tcmalloc,jemalloc}; --disable-blobs becomes --disable-install-blobs; --enable-trace-backend becomes --enable-trace-backends. However, the old names are allowed for backwards compatibility. Message-Id: <20211007130829.632254-19-pbonzini@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'migration')
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