UBUNTU: [debian] tools: ship 'cpupower' in linux-tools

BugLink: http://bugs.launchpad.net/bugs/1158668

New Build-depends: libpci-dev

Adds to binary package "linux-tools-$(abi_version)"
  /usr/bin/cpupower_$(abi_version)
  /usr/lib/libcpupower.so.$(abi_version)

Adds to binary package "linux-tools-common"
  /usr/bin/cpupower
  /usr/share/man/man1/cpupower-set.1.gz
  /usr/share/man/man1/cpupower-frequency-set.1.gz
  /usr/share/man/man1/cpupower-frequency-info.1.gz
  /usr/share/man/man1/cpupower-monitor.1.gz
  /usr/share/man/man1/cpupower-info.1.gz
  /usr/share/man/man1/cpupower-idle-info.1.gz
  /usr/share/man/man1/cpupower.1.gz
Signed-off-by: Kamal Mostafa <kamal@canonical.com>
Signed-off-by: Tim Gardner <tim.gardner@canonical.com>

debian/rules.d/2-binary-arch.mk

@@ -458,6 +458,14 @@ endif
 $(stampdir)/stamp-build-perarch: $(stampdir)/stamp-prepare-perarch
 	@echo Debug: $@
 ifeq ($(do_tools),true)
+
+	# Allow for multiple installed versions of cpupower and libcpupower.so:
+	# Override LIB_MIN in order to to generate a versioned .so named
+	# libcpupower.so.$(abi_release) and link cpupower with that.
+	make -C $(builddirpa)/tools/power/cpupower \
+		CROSS_COMPILE=$(CROSS_COMPILE) \
+		LIB_MIN=$(abi_release) CPUFREQ_BENCH=false
+
 ifeq ($(do_tools_perf),true)
 	cd $(builddirpa)/tools/perf && \
 		make prefix=/usr HAVE_CPLUS_DEMANGLE=1 CROSS_COMPILE=$(CROSS_COMPILE) NO_LIBPYTHON=1 NO_LIBPERL=1 PYTHON=python2.7
@@ -478,6 +486,15 @@ install-perarch: $(stampdir)/stamp-build-perarch
 	# Add the tools.
 ifeq ($(do_tools),true)
 	install -d $(toolspkgdir)/usr/bin
+	install -d $(toolspkgdir)/usr/lib
+
+	install -m755 $(builddirpa)/tools/power/cpupower/cpupower \
+		$(toolspkgdir)/usr/bin/cpupower_$(abi_release)
+	# Install only the full versioned libcpupower.so.$(abi_release), not
+	# the usual symlinks to it.
+	install -m644 $(builddirpa)/tools/power/cpupower/libcpupower.so.$(abi_release) \
+		$(toolspkgdir)/usr/lib/
+
 ifeq ($(do_tools_perf),true)
 	install -m755 $(builddirpa)/tools/perf/perf \
 		$(toolspkgdir)/usr/bin/perf_$(abi_release)

debian/rules.d/3-binary-indep.mk

@@ -92,6 +92,9 @@ ifeq ($(do_tools),true)
 	install -d $(toolsbin)
 	install -d $(toolsman)/man1
 
+	install -m755 debian/tools/cpupower $(toolsbin)/cpupower
+	install -m644 $(CURDIR)/tools/power/cpupower/man/*.1 $(toolsman)/man1/
+
 ifeq ($(do_tools_perf),true)
 	install -m755 debian/tools/perf $(toolsbin)/perf
 endif

debian/tools/cpupower

+#!/bin/bash
+full_version=`uname -r`
+
+# Removing flavour from version i.e. generic or server.
+flavour_abi=${full_version#*-}
+flavour=${flavour_abi#*-}
+version=${full_version%-$flavour}
+cpupower="cpupower_$version"
+
+if ! which "$cpupower" > /dev/null; then
+    echo "$cpupower not found" >&2
+    echo "You may need to install linux-tools-$version" >&2
+    exit 2
+fi
+
+exec "$cpupower" "$@"