Using the shell function for perl cflags retrieval instead of back quotes (``). Both execute shell with the command, but the latter is more explicit and seems to be the preferred way.
Also we don't have any other use of the back quotes in perf Makefiles. Link: http://lkml.kernel.org/n/tip-ozknr59ye7pohenvlg04e...@git.kernel.org Signed-off-by: Jiri Olsa <jo...@kernel.org> --- tools/perf/Makefile.config | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tools/perf/Makefile.config b/tools/perf/Makefile.config index 63f534a0902f..f6786fa2419f 100644 --- a/tools/perf/Makefile.config +++ b/tools/perf/Makefile.config @@ -579,7 +579,7 @@ 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` + PERL_EMBED_CCOPTS = $(shell perl -MExtUtils::Embed -e ccopts 2>/dev/null) FLAGS_PERL_EMBED=$(PERL_EMBED_CCOPTS) $(PERL_EMBED_LDOPTS) ifneq ($(feature-libperl), 1) -- 2.13.6