build-sys: introduce install-prog macro to install&strip binaries and use it

Use common rule (macro) to install and strip binaries, and use
it in all places where we install binaries, instead of fixing
bugs like 1319493 in every place.
(This fixes https://bugs.launchpad.net/bugs/1319493)

Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>

Makefile

@@ -385,12 +385,8 @@ install-sysconfig: install-datadir install-confdir
 
 install: all $(if $(BUILD_DOCS),install-doc) install-sysconfig \
 install-datadir install-localstatedir
-	$(INSTALL_DIR) "$(DESTDIR)$(bindir)"
 ifneq ($(TOOLS),)
-	$(INSTALL_PROG) $(TOOLS) "$(DESTDIR)$(bindir)"
-ifneq ($(STRIP),)
-	$(STRIP) $(TOOLS:%="$(DESTDIR)$(bindir)/%")
-endif
+	$(call install-prog,$(TOOLS),$(DESTDIR)$(bindir))
 endif
 ifneq ($(CONFIG_MODULES),)
 	$(INSTALL_DIR) "$(DESTDIR)$(qemu_moddir)"
@@ -401,11 +397,7 @@ ifneq ($(CONFIG_MODULES),)
 	done
 endif
 ifneq ($(HELPERS-y),)
-	$(INSTALL_DIR) "$(DESTDIR)$(libexecdir)"
-	$(INSTALL_PROG) $(HELPERS-y) "$(DESTDIR)$(libexecdir)"
-ifneq ($(STRIP),)
-	$(STRIP) $(HELPERS-y:%="$(DESTDIR)$(libexecdir)/%")
-endif
+	$(call install-prog,$(HELPERS-y),$(DESTDIR)$(libexecdir))
 endif
 ifneq ($(BLOBS),)
 	set -e; for x in $(BLOBS); do \

Makefile.target

@@ -190,10 +190,7 @@ endif
 
 install: all
 ifneq ($(PROGS),)
-	$(INSTALL_PROG) $(PROGS) "$(DESTDIR)$(bindir)"
-ifneq ($(STRIP),)
-	$(STRIP) $(PROGS:%="$(DESTDIR)$(bindir)/%")
-endif
+	$(call install-prog,$(PROGS),$(DESTDIR)$(bindir))
 endif
 ifdef CONFIG_TRACE_SYSTEMTAP
 	$(INSTALL_DIR) "$(DESTDIR)$(qemu_datadir)/../systemtap/tapset"

rules.mak

@@ -101,6 +101,13 @@ cc-option = $(if $(shell $(CC) $1 $2 -S -o /dev/null -xc /dev/null \
 VPATH_SUFFIXES = %.c %.h %.S %.cc %.cpp %.m %.mak %.texi %.sh %.rc
 set-vpath = $(if $1,$(foreach PATTERN,$(VPATH_SUFFIXES),$(eval vpath $(PATTERN) $1)))
 
+# install-prog list, dir
+define install-prog
+	$(INSTALL_DIR) "$2"
+	$(INSTALL_PROG) $1 "$2"
+	$(if $(STRIP),$(STRIP) $(foreach T,$1,"$2/$(notdir $T)"),)
+endef
+
 # find-in-path
 # Usage: $(call find-in-path, prog)
 # Looks in the PATH if the argument contains no slash, else only considers one