perf tools: Don't check configuration on make tags

Doing the same thing done in:

  b059dee: perf tools: Don't check configuration on make clean

Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Namhyung Kim <namhyung@gmail.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/n/tip-n2ni4riphpqxw7d6ziv1ndyc@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

tools/perf/Documentation/Makefile

@@ -223,11 +223,13 @@ install-pdf: pdf
 #	'$(SHELL_PATH_SQ)' ./install-webdoc.sh $(DESTDIR)$(htmldir)
 
 ifneq ($(MAKECMDGOALS),clean)
+ifneq ($(MAKECMDGOALS),tags)
 $(OUTPUT)PERF-VERSION-FILE: .FORCE-PERF-VERSION-FILE
 	$(QUIET_SUBDIR0)../ $(QUIET_SUBDIR1) $(OUTPUT)PERF-VERSION-FILE
 
 -include $(OUTPUT)PERF-VERSION-FILE
 endif
+endif
 
 #
 # Determine "include::" file references in asciidoc files.

tools/perf/Makefile

@@ -154,6 +154,7 @@ INSTALL = install
 SPARSE_FLAGS = -D__BIG_ENDIAN__ -D__powerpc__
 
 ifneq ($(MAKECMDGOALS),clean)
+ifneq ($(MAKECMDGOALS),tags)
 -include config/feature-tests.mak
 
 ifeq ($(call try-cc,$(SOURCE_HELLO),$(CFLAGS) -Werror -fstack-protector-all,-fstack-protector-all),y)
@@ -207,6 +208,7 @@ ifeq ($(call try-cc,$(SOURCE_BIONIC),$(CFLAGS),bionic),y)
 	EXTLIBS := $(filter-out -lpthread,$(EXTLIBS))
 	BASIC_CFLAGS += -I.
 endif
+endif # MAKECMDGOALS != tags
 endif # MAKECMDGOALS != clean
 
 # Guard against environment variables
@@ -525,6 +527,7 @@ PERFLIBS = $(LIB_FILE) $(LIBTRACEEVENT)
 # Platform specific tweaks
 #
 ifneq ($(MAKECMDGOALS),clean)
+ifneq ($(MAKECMDGOALS),tags)
 
 # We choose to avoid "if .. else if .. else .. endif endif"
 # because maintaining the nesting to match is a pain.  If
@@ -841,6 +844,7 @@ ifdef ASCIIDOC8
 	export ASCIIDOC8
 endif
 
+endif # MAKECMDGOALS != tags
 endif # MAKECMDGOALS != clean
 
 # Shell quote (do not use $(call) to accommodate ancient setups);