perf tools: Move libperl check config into config/Makefile

Moving libperl check config into config/Makefile.

Signed-off-by: Jiri Olsa <jolsa@redhat.com>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Sam Ravnborg <sam@ravnborg.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/r/1369398928-9809-12-git-send-email-jolsa@redhat.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

1 files changed, 21 insertions, 0 deletions

diff --git a/tools/perf/config/Makefile b/tools/perf/config/Makefile
index 8cf0958c6daa..a42c7b8e071d 100644
--- a/tools/perf/config/Makefile
+++ b/tools/perf/config/Makefile
@@ -240,3 +240,24 @@ ifndef NO_GTK2
                 EXTLIBS += $(shell pkg-config --libs gtk+-2.0 2>/dev/null)
         endif
 endif
+
+grep-libs  = $(filter -l%,$(1))
+strip-libs = $(filter-out -l%,$(1))
+
+ifdef NO_LIBPERL
+        BASIC_CFLAGS += -DNO_LIBPERL
+else
+        PERL_EMBED_LDOPTS = $(shell perl -MExtUtils::Embed -e ldopts 2>/dev/null)
+        PERL_EMBED_LDFLAGS = $(call strip-libs,$(PERL_EMBED_LDOPTS))
+        PERL_EMBED_LIBADD = $(call grep-libs,$(PERL_EMBED_LDOPTS))
+        PERL_EMBED_CCOPTS = `perl -MExtUtils::Embed -e ccopts 2>/dev/null`
+        FLAGS_PERL_EMBED=$(PERL_EMBED_CCOPTS) $(PERL_EMBED_LDOPTS)
+
+        ifneq ($(call try-cc,$(SOURCE_PERL_EMBED),$(FLAGS_PERL_EMBED),perl),y)
+                BASIC_CFLAGS += -DNO_LIBPERL
+                NO_LIBPERL := 1
+        else
+                ALL_LDFLAGS += $(PERL_EMBED_LDFLAGS)
+                EXTLIBS += $(PERL_EMBED_LIBADD)
+        endif
+endif