Shuah Khan 93a4388b76 selftests: add build/cross-build dependency check script ... Add build/cross-build dependency check script kselftest_deps.sh This script does the following: Usage: ./kselftest_deps.sh -[p] <compiler> [test_name] kselftest_deps.sh [-p] gcc kselftest_deps.sh [-p] gcc vm kselftest_deps.sh [-p] aarch64-linux-gnu-gcc kselftest_deps.sh [-p] aarch64-linux-gnu-gcc vm - Should be run in selftests directory in the kernel repo. - Checks if Kselftests can be built/cross-built on a system. - Parses all test/sub-test Makefile to find library dependencies. - Runs compile test on a trivial C file with LDLIBS specified in the test Makefiles to identify missing library dependencies. - Prints suggested target list for a system filtering out tests failed the build dependency check from the TARGETS in Selftests the main Makefile when optional -p is specified. - Prints pass/fail dependency check for each tests/sub-test. - Prints pass/fail targets and libraries. - Default: runs dependency checks on all tests. - Optional test name can be specified to check dependencies for it. To make LDLIBS parsing easier - change gpio and memfd Makefiles to use the same temporary variable used to find and add libraries to LDLIBS. - simlify LDLIBS append logic in intel_pstate/Makefile. Results from run on x86_64 system (trimmed detailed pass/fail list): ======================================================== Kselftest Dependency Check for [./kselftest_deps.sh gcc ] results... ======================================================== Checked tests defining LDLIBS dependencies -------------------------------------------------------- Total tests with Dependencies: 55 Pass: 53 Fail: 2 -------------------------------------------------------- Targets passed build dependency check on system: bpf capabilities filesystems futex gpio intel_pstate membarrier memfd mqueue net powerpc ptp rseq rtc safesetid timens timers vDSO vm -------------------------------------------------------- FAIL: netfilter/Makefile dependency check: -lmnl FAIL: gpio/Makefile dependency check: -lmount -------------------------------------------------------- Targets failed build dependency check on system: gpio netfilter -------------------------------------------------------- Missing libraries system -lmnl -lmount -------------------------------------------------------- ======================================================== Results from run on x86_64 system with aarch64-linux-gnu-gcc: (trimmed detailed pass/fail list): ======================================================== Kselftest Dependency Check for [./kselftest_deps.sh aarch64-linux-gnu-gcc ] results... ======================================================== Checked tests defining LDLIBS dependencies -------------------------------------------------------- Total tests with Dependencies: 55 Pass: 41 Fail: 14 -------------------------------------------------------- Targets failed build dependency check on system: bpf capabilities filesystems futex gpio intel_pstate membarrier memfd mqueue net powerpc ptp rseq rtc timens timers vDSO vm -------------------------------------------------------- -------------------------------------------------------- Targets failed build dependency check on system: bpf capabilities gpio memfd mqueue net netfilter safesetid vm -------------------------------------------------------- Missing libraries system -lcap -lcap-ng -lelf -lfuse -lmnl -lmount -lnuma -lpopt -lz -------------------------------------------------------- ======================================================== Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>		2020-04-23 17:23:20 -06:00
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.gitignore	.gitignore: add SPDX License Identifier	2020-03-25 11:50:48 +01:00
config	selftests: gpio: add config fragment for gpio-mockup	2017-04-21 11:25:41 -06:00
gpio-mockup-chardev.c	treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500	2019-06-19 17:09:55 +02:00
gpio-mockup-sysfs.sh	License cleanup: add SPDX GPL-2.0 license identifier to files with no license	2017-11-02 11:10:55 +01:00
gpio-mockup.sh	selftests: gpio: return Kselftest Skip code for skipped tests	2018-05-30 15:21:52 -06:00
Makefile	selftests: add build/cross-build dependency check script	2020-04-23 17:23:20 -06:00