On Sat, Sep 5, 2020 at 5:26 AM Arnaldo Carvalho de Melo <a...@kernel.org> wrote:
>
> We were failing that due to GTK2+ and then for the ZSTD test, which made
> test-all.c, the fast path feature detection file to fail and thus
> trigger building all of the feature tests, slowing down the test.
>
> Eventually the ZSTD test would be built and would succeed, since it had
> the needed -lzstd, avoiding:
>
> $ cat /tmp/build/perf/feature/test-all.make.output
> /usr/bin/ld: /tmp/ccRRJQ4u.o: in function `main_test_libzstd':
> /home/acme/git/perf/tools/build/feature/test-libzstd.c:8: undefined
> reference to `ZSTD_createCStream'
> /usr/bin/ld: /home/acme/git/perf/tools/build/feature/test-libzstd.c:9:
> undefined reference to `ZSTD_freeCStream'
> collect2: error: ld returned 1 exit status
> $
>
> Fix it by adding -lzstd to the test-all target.
>
> Now I need an entry to 'perf test' to make sure that
> /tmp/build/perf/feature/test-all.make.output is empty...
>
> Fixes: 3b1c5d9659718263 ("tools build: Implement libzstd feature check,
> LIBZSTD_DIR and NO_LIBZSTD defines")
> Cc: Adrian Hunter <adrian.hun...@intel.com>
> Cc: Alexey Budankov <alexey.budan...@linux.intel.com>
> Cc: Ian Rogers <irog...@google.com>
> Cc: Jiri Olsa <jo...@kernel.org>
> Cc: Namhyung Kim <namhy...@kernel.org>
> Signed-off-by: Arnaldo Carvalho de Melo <a...@redhat.com>
Acked-by: Namhyung Kim <namhy...@kernel.org>
Thanks
Namhyung
>
> ---
>
> diff --git a/tools/build/feature/Makefile b/tools/build/feature/Makefile
> index 977067e34dff064d..ec815ffc7777a02b 100644
> --- a/tools/build/feature/Makefile
> +++ b/tools/build/feature/Makefile
> @@ -91,7 +91,7 @@ __BUILDXX = $(CXX) $(CXXFLAGS) -MD -Wall -Werror -o $@
> $(patsubst %.bin,%.cpp,$(
> ###############################
>
> $(OUTPUT)test-all.bin:
> - $(BUILD) -fstack-protector-all -O2 -D_FORTIFY_SOURCE=2 -ldw -lelf
> -lnuma -lelf -I/usr/include/slang -lslang $(FLAGS_PERL_EMBED)
> $(FLAGS_PYTHON_EMBED) -DPACKAGE='"perf"' -lbfd -ldl -lz -llzma
> + $(BUILD) -fstack-protector-all -O2 -D_FORTIFY_SOURCE=2 -ldw -lelf
> -lnuma -lelf -I/usr/include/slang -lslang $(FLAGS_PERL_EMBED)
> $(FLAGS_PYTHON_EMBED) -DPACKAGE='"perf"' -lbfd -ldl -lz -llzma -lzstd
>
> $(OUTPUT)test-hello.bin:
> $(BUILD)
