From: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx> commit 541f695cbcb6932c22638b06e0cbe1d56177e2e9 upstream. Just like its done for ldopts and for both in tools/perf/Makefile.config. Using `` to initialize PERL_EMBED_CCOPTS somehow precludes using: $(filter-out SOMETHING_TO_FILTER,$(PERL_EMBED_CCOPTS)) And we need to do it to allow for building with versions of clang where some gcc options selected by distros are not available. Tested-by: Sedat Dilek <sedat.dilek@xxxxxxxxx> # Debian/Selfmade LLVM-14 (x86-64) Cc: Adrian Hunter <adrian.hunter@xxxxxxxxx> Cc: Fangrui Song <maskray@xxxxxxxxxx> Cc: Florian Fainelli <f.fainelli@xxxxxxxxx> Cc: Ian Rogers <irogers@xxxxxxxxxx> Cc: Jiri Olsa <jolsa@xxxxxxxxxx> Cc: John Keeping <john@xxxxxxxxxxxx> Cc: Leo Yan <leo.yan@xxxxxxxxxx> Cc: Michael Petlan <mpetlan@xxxxxxxxxx> Cc: Namhyung Kim <namhyung@xxxxxxxxxx> Cc: Nathan Chancellor <nathan@xxxxxxxxxx> Cc: Nick Desaulniers <ndesaulniers@xxxxxxxxxx> Link: http://lore.kernel.org/lkml/YktYX2OnLtyobRYD@xxxxxxxxxx Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- tools/build/feature/Makefile | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/tools/build/feature/Makefile +++ b/tools/build/feature/Makefile @@ -184,7 +184,7 @@ 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` +PERL_EMBED_CCOPTS = $(shell perl -MExtUtils::Embed -e ccopts 2>/dev/null) FLAGS_PERL_EMBED=$(PERL_EMBED_CCOPTS) $(PERL_EMBED_LDOPTS) $(OUTPUT)test-libperl.bin:
