From 0f59a6c9c421a44e652353e3ec15cf2425b904fe Mon Sep 17 00:00:00 2001 From: Tomas Glozar Date: Thu, 17 Oct 2024 16:09:09 +0200 Subject: [PATCH] tools/build: Add libcpupower dependency detection Add the ability to detect the presence of libcpupower on a system to the Makefiles in tools/build. Link: https://lore.kernel.org/20241017140914.3200454-2-tglozar@redhat.com Signed-off-by: Tomas Glozar Signed-off-by: Steven Rostedt (Google) --- tools/build/Makefile.feature | 1 + tools/build/feature/Makefile | 4 ++++ tools/build/feature/test-libcpupower.c | 8 ++++++++ 3 files changed, 13 insertions(+) create mode 100644 tools/build/feature/test-libcpupower.c diff --git a/tools/build/Makefile.feature b/tools/build/Makefile.feature index ffd117135094c..2ebfb826dcea5 100644 --- a/tools/build/Makefile.feature +++ b/tools/build/Makefile.feature @@ -53,6 +53,7 @@ FEATURE_TESTS_BASIC := \ libslang-include-subdir \ libtraceevent \ libtracefs \ + libcpupower \ libcrypto \ libunwind \ pthread-attr-setaffinity-np \ diff --git a/tools/build/feature/Makefile b/tools/build/feature/Makefile index 5938cf799dc67..6ef3e1ca583e8 100644 --- a/tools/build/feature/Makefile +++ b/tools/build/feature/Makefile @@ -38,6 +38,7 @@ FILES= \ test-libslang.bin \ test-libslang-include-subdir.bin \ test-libtraceevent.bin \ + test-libcpupower.bin \ test-libtracefs.bin \ test-libcrypto.bin \ test-libunwind.bin \ @@ -245,6 +246,9 @@ $(OUTPUT)test-libslang-include-subdir.bin: $(OUTPUT)test-libtraceevent.bin: $(BUILD) -ltraceevent +$(OUTPUT)test-libcpupower.bin: + $(BUILD) -lcpupower + $(OUTPUT)test-libtracefs.bin: $(BUILD) $(shell $(PKG_CONFIG) --cflags libtracefs 2>/dev/null) -ltracefs diff --git a/tools/build/feature/test-libcpupower.c b/tools/build/feature/test-libcpupower.c new file mode 100644 index 0000000000000..a346aa332a71d --- /dev/null +++ b/tools/build/feature/test-libcpupower.c @@ -0,0 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0 +#include + +int main(void) +{ + int rv = cpuidle_state_count(0); + return rv; +} -- 2.50.1