For the flow parsing library need flex and bison and these might be useful in future for other libraries. Detect and provide generators for building.
Signed-off-by: Stephen Hemminger <[email protected]> --- config/meson.build | 23 +++++++++++++++++++++++ 1 file changed, 23 insertions(+) diff --git a/config/meson.build b/config/meson.build index 9ba7b9a338..8668546eca 100644 --- a/config/meson.build +++ b/config/meson.build @@ -296,6 +296,29 @@ if (pcap_dep.found() and cc.has_header('pcap.h', dependencies: pcap_dep) dpdk_extra_ldflags += '-l@0@'.format(pcap_lib) endif +# flex and bison are required for libraries using grammars. +flex = find_program('flex', required: false) +if flex.found() + flex_gen = generator(flex, + output: '@[email protected]', + arguments: ['--outfile=@OUTPUT@', '@INPUT@'], + ) +endif + +bison = find_program('bison', required: false) +if bison.found() + # Parser generator. Emits both the .c and a .tab.h + bison_gen = generator(bison, + output: ['@[email protected]', '@[email protected]'], + arguments: [ + '--defines=@OUTPUT1@', + '--output=@OUTPUT0@', + '@INPUT@', + ], + ) +endif +has_flex_bison = flex.found() and bison.found() + # for clang 32-bit compiles we need libatomic for 64-bit atomic ops if cc.get_id() == 'clang' and dpdk_conf.get('RTE_ARCH_64') == false atomic_dep = cc.find_library('atomic', required: true) -- 2.53.0
