Alexis Berlemont (29):
kbuild: add support of custom paths for "auto.conf*" files
perf kbuild: fix recursive invocation of config/features-checks
perf kbuild: store in config-detected missing variables (libdir, ...)
perf kbuild: remove useless #ifdef directives
perf kbuild: fix a link issue if BUILTIN_TRACE is disabled
perf kbuild: add missing files and missing flags in Kbuild files
perf kbuild: update kbuild files according to last changes
perf kbuild: remove legacy slang-related build variables
perf kbuild: remove legacy libaudit-related build variables
perf kbuild: remove legacy libgtk2-related build variables
perf kbuild: remove legacy libperl-related build variables
perf kbuild: remove legacy timerfd-related build variable
perf kbuild: remove legacy demangle-related build variables
perf kbuild: remove legacy on_exit-related build variable
perf kbuild: remove legacy backtrace-related build variable
perf kbuild: remove legacy numa-related build variable
perf kbuild: remove legacy bionic-related build variable
perf kbuild: remove legacy libelf-related build variables (1st part)
perf kbuild: remove legacy libelf-related build variables (2nd part)
perf kbuild: remove legacy libdwarf-related build variables
perf kbuild: remove legacy libpython-related build variable
perf kbuild: add generated Kconfig build-test cases
perf kbuild: fix installation of traceevent plugins
perf kbuild: fix tarpkg target in tests/make
perf kbuild: update Kbuild files with new and removed sources
perf kbuild: update build test configurations
perf kbuild: relocate the configs generating script
perf kbuild: minor changes
perf kbuild: remove Makefile.perf