[PATCH 023/161] tools/perf/build: Split out feature check: 'libperl'

From: Arnaldo Carvalho de Melo
Date: Mon Oct 14 2013 - 16:47:14 EST


From: Ingo Molnar <mingo@xxxxxxxxxx>

Cc: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
Cc: Peter Zijlstra <a.p.zijlstra@xxxxxxxxx>
Cc: Namhyung Kim <namhyung@xxxxxxxxxx>
Cc: David Ahern <dsahern@xxxxxxxxx>
Cc: Jiri Olsa <jolsa@xxxxxxxxxx>
Link: http://lkml.kernel.org/n/tip-ggucqbwFwpxyuxde6dm7itHq@xxxxxxxxxxxxxx
Signed-off-by: Ingo Molnar <mingo@xxxxxxxxxx>
---
tools/perf/config/Makefile | 3 ++-
tools/perf/config/feature-checks/Makefile | 13 +++++++++++++
tools/perf/config/feature-checks/test-libperl.c | 9 +++++++++
3 files changed, 24 insertions(+), 1 deletion(-)
create mode 100644 tools/perf/config/feature-checks/test-libperl.c

diff --git a/tools/perf/config/Makefile b/tools/perf/config/Makefile
index 3d3d435b41fa..8124dd55b05c 100644
--- a/tools/perf/config/Makefile
+++ b/tools/perf/config/Makefile
@@ -118,6 +118,7 @@ FEATURE_TESTS = \
libslang \
gtk2 \
gtk2-infobar \
+ libperl \
libnuma

$(foreach test,$(FEATURE_TESTS),$(call feature_check,$(test),$(test)))
@@ -321,7 +322,7 @@ else
PERL_EMBED_CCOPTS = `perl -MExtUtils::Embed -e ccopts 2>/dev/null`
FLAGS_PERL_EMBED=$(PERL_EMBED_CCOPTS) $(PERL_EMBED_LDOPTS)

- ifneq ($(call try-cc,$(SOURCE_PERL_EMBED),$(FLAGS_PERL_EMBED),perl),y)
+ ifneq ($(feature-libperl), 1)
CFLAGS += -DNO_LIBPERL
NO_LIBPERL := 1
else
diff --git a/tools/perf/config/feature-checks/Makefile b/tools/perf/config/feature-checks/Makefile
index 017918f809ff..3033c25f00b4 100644
--- a/tools/perf/config/feature-checks/Makefile
+++ b/tools/perf/config/feature-checks/Makefile
@@ -16,6 +16,7 @@ FILES= \
test-libslang \
test-gtk2 \
test-gtk2-infobar \
+ test-libperl \
test-libnuma

CC := $(CC) -MD
@@ -77,6 +78,18 @@ test-gtk2:
test-gtk2-infobar:
$(BUILD) $(shell pkg-config --libs --cflags gtk+-2.0 2>/dev/null)

+grep-libs = $(filter -l%,$(1))
+strip-libs = $(filter-out -l%,$(1))
+
+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)
+
+test-libperl:
+ $(BUILD) $(FLAGS_PERL_EMBED)
+
-include *.d */*.d

###############################
diff --git a/tools/perf/config/feature-checks/test-libperl.c b/tools/perf/config/feature-checks/test-libperl.c
new file mode 100644
index 000000000000..8871f6a0fdb4
--- /dev/null
+++ b/tools/perf/config/feature-checks/test-libperl.c
@@ -0,0 +1,9 @@
+#include <EXTERN.h>
+#include <perl.h>
+
+int main(void)
+{
+ perl_alloc();
+
+ return 0;
+}
--
1.8.1.4

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