Em Thu, Jun 18, 2020 at 09:33:46PM -0700, Ian Rogers escreveu: > All C compiler warnings are disabled are disabled by -w. This change > removes the -w from flex and bison targets. To avoid implicit > declarations header files are declared as targets and included. > > Tested with GCC 9.3.0 and clang 9.0.1. > > v2. predicates disabling the warnings on more recent bison and flex > versions (3.5.3 and 2.6.4 respectively). An alternative would be > to disabled a large number of warnings to cover the warnings > generated in older distributions: > flex_flags := -Wno-switch-enum -Wno-switch-default -Wno-unused-function \ > -Wno-redundant-decls -Wno-sign-compare -Wno-unused-parameter \ > -Wno-missing-prototypes -Wno-misleading-indentation > bison_flags := -DYYENABLE_NLS=0 -Wno-unused-parameter -Wno-nested-externs \ > -Wno-implicit-function-declaration -Wno-switch-enum > > Previously posted as a single change: > https://lore.kernel.org/lkml/20200609234344.3795-2-irog...@google.com/
So for the parts that you kept unchanged since Jiri acked it, please next time collect that Acked-by, ok? Going thru this now. - Arnaldo > Ian Rogers (10): > perf parse-events: Use automatic variable for flex input > perf parse-events: Use automatic variable for yacc input > perf pmu: Add bison debug build flag > perf pmu: Add flex debug build flag > perf parse-events: Declare flex header file output > perf parse-events: Declare bison header file output > perf parse-events: Disable a subset of flex warnings > perf expr: Avoid implicit lex function declaration > perf parse-events: Avoid implicit lex function declaration > perf parse-events: Disable a subset of bison warnings > > tools/perf/util/Build | 62 +++++++++++++++++++++++----------- > tools/perf/util/expr.y | 2 ++ > tools/perf/util/parse-events.y | 1 + > 3 files changed, 46 insertions(+), 19 deletions(-) > > -- > 2.27.0.111.gc72c7da667-goog > -- - Arnaldo
