[GIT PULL] cpupower update for Linux 6.19-rc1

[Shuah Khan <skhan@linuxfoundation.org>]

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Hi Rafael,

Please pull the following cpupower update for Linux 6.19-rc1.

Adds support for building libcpupower statically when STATIC=true is
specified during build.

diff is attached.

thanks,
-- Shuah

----------------------------------------------------------------
The following changes since commit 3a8660878839faadb4f1a6dd72c3179c1df56787:

   Linux 6.18-rc1 (2025-10-12 13:42:36 -0700)

are available in the Git repository at:

   git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux tags/linux-cpupower-6.19-rc1

for you to fetch changes up to 059835bbfa282918a1e8e5e2d9628aa600093052:

   tools/power/cpupower: Support building libcpupower statically (2025-11-05 09:56:01 -0700)

----------------------------------------------------------------
linux-cpupower-6.19-rc1

Adds support for building libcpupower statically when STATIC=true is
specified during build.

----------------------------------------------------------------
Zuo An (1):
       tools/power/cpupower: Support building libcpupower statically

  tools/power/cpupower/Makefile | 32 +++++++++++++++++++++-----------
  1 file changed, 21 insertions(+), 11 deletions(-)
----------------------------------------------------------------

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diff --git a/tools/power/cpupower/Makefile b/tools/power/cpupower/Makefile
index c43db1c41205..a1df9196dc45 100644
--- a/tools/power/cpupower/Makefile
+++ b/tools/power/cpupower/Makefile
@@ -37,9 +37,7 @@ NLS ?=		true
 # cpufreq-bench benchmarking tool
 CPUFREQ_BENCH ?= true
 
-# Do not build libraries, but build the code in statically
-# Libraries are still built, otherwise the Makefile code would
-# be rather ugly.
+# Build the code, including libraries, statically.
 export STATIC ?= false
 
 # Prefix to the directories we're installing to
@@ -207,14 +205,25 @@ $(OUTPUT)lib/%.o: $(LIB_SRC) $(LIB_HEADERS)
 	$(ECHO) "  CC      " $@
 	$(QUIET) $(CC) $(CFLAGS) -fPIC -o $@ -c lib/$*.c
 
-$(OUTPUT)libcpupower.so.$(LIB_VER): $(LIB_OBJS)
+ifeq ($(strip $(STATIC)),true)
+LIBCPUPOWER := libcpupower.a
+else
+LIBCPUPOWER := libcpupower.so.$(LIB_VER)
+endif
+
+$(OUTPUT)$(LIBCPUPOWER): $(LIB_OBJS)
+ifeq ($(strip $(STATIC)),true)
+	$(ECHO) "  AR      " $@
+	$(QUIET) $(AR) rcs $@ $(LIB_OBJS)
+else
 	$(ECHO) "  LD      " $@
 	$(QUIET) $(CC) -shared $(CFLAGS) $(LDFLAGS) -o $@ \
 		-Wl,-soname,libcpupower.so.$(LIB_MAJ) $(LIB_OBJS)
 	@ln -sf $(@F) $(OUTPUT)libcpupower.so
 	@ln -sf $(@F) $(OUTPUT)libcpupower.so.$(LIB_MAJ)
+endif
 
-libcpupower: $(OUTPUT)libcpupower.so.$(LIB_VER)
+libcpupower: $(OUTPUT)$(LIBCPUPOWER)
 
 # Let all .o files depend on its .c file and all headers
 # Might be worth to put this into utils/Makefile at some point of time
@@ -224,7 +233,7 @@ $(OUTPUT)%.o: %.c
 	$(ECHO) "  CC      " $@
 	$(QUIET) $(CC) $(CFLAGS) -I./lib -I ./utils -o $@ -c $*.c
 
-$(OUTPUT)cpupower: $(UTIL_OBJS) $(OUTPUT)libcpupower.so.$(LIB_VER)
+$(OUTPUT)cpupower: $(UTIL_OBJS) $(OUTPUT)$(LIBCPUPOWER)
 	$(ECHO) "  CC      " $@
 ifeq ($(strip $(STATIC)),true)
 	$(QUIET) $(CC) $(CFLAGS) $(LDFLAGS) $(UTIL_OBJS) -lrt -lpci -L$(OUTPUT) -o $@
@@ -269,7 +278,7 @@ update-po: $(OUTPUT)po/$(PACKAGE).pot
 	done;
 endif
 
-compile-bench: $(OUTPUT)libcpupower.so.$(LIB_VER)
+compile-bench: $(OUTPUT)$(LIBCPUPOWER)
 	@V=$(V) confdir=$(confdir) $(MAKE) -C bench O=$(OUTPUT)
 
 # we compile into subdirectories. if the target directory is not the
@@ -287,6 +296,7 @@ clean:
 	-find $(OUTPUT) \( -not -type d \) -and \( -name '*~' -o -name '*.[oas]' \) -type f -print \
 	 | xargs rm -f
 	-rm -f $(OUTPUT)cpupower
+	-rm -f $(OUTPUT)libcpupower.a
 	-rm -f $(OUTPUT)libcpupower.so*
 	-rm -rf $(OUTPUT)po/*.gmo
 	-rm -rf $(OUTPUT)po/*.pot
@@ -295,7 +305,11 @@ clean:
 
 install-lib: libcpupower
 	$(INSTALL) -d $(DESTDIR)${libdir}
+ifeq ($(strip $(STATIC)),true)
+	$(CP) $(OUTPUT)libcpupower.a $(DESTDIR)${libdir}/
+else
 	$(CP) $(OUTPUT)libcpupower.so* $(DESTDIR)${libdir}/
+endif
 	$(INSTALL) -d $(DESTDIR)${includedir}
 	$(INSTALL_DATA) lib/cpufreq.h $(DESTDIR)${includedir}/cpufreq.h
 	$(INSTALL_DATA) lib/cpuidle.h $(DESTDIR)${includedir}/cpuidle.h
@@ -336,11 +350,7 @@ install-bench: compile-bench
 	@#DESTDIR must be set from outside to survive
 	@sbindir=$(sbindir) bindir=$(bindir) docdir=$(docdir) confdir=$(confdir) $(MAKE) -C bench O=$(OUTPUT) install
 
-ifeq ($(strip $(STATIC)),true)
-install: all install-tools install-man $(INSTALL_NLS) $(INSTALL_BENCH)
-else
 install: all install-lib install-tools install-man $(INSTALL_NLS) $(INSTALL_BENCH)
-endif
 
 uninstall:
 	- rm -f $(DESTDIR)${libdir}/libcpupower.*