[PATCH v5 1/6] tools/build: Add libcpupower dependency detection
From: tglozar@redhat.com
Date: 2024-10-17 14:09:47
Also in:
lkml
Subsystem:
the rest · Maintainer:
Linus Torvalds
From: Tomas Glozar <tglozar@redhat.com> Add the ability to detect the presence of libcpupower on a system to the Makefiles in tools/build. Signed-off-by: Tomas Glozar <tglozar@redhat.com> --- 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 ffd117135094..2ebfb826dcea 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 5938cf799dc6..6ef3e1ca583e 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 000000000000..a346aa332a71
--- /dev/null
+++ b/tools/build/feature/test-libcpupower.c@@ -0,0 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0 +#include <cpuidle.h> + +int main(void) +{ + int rv = cpuidle_state_count(0); + return rv; +}
--
2.47.0