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Commit 8feb8efe authored by Arnaldo Carvalho de Melo's avatar Arnaldo Carvalho de Melo
Browse files

tools build feature: Check if get_current_dir_name() is available 

As the namespace support code will use this, which is not available in
some non _GNU_SOURCE libraries such as Android's bionic used in my
container build tests (r12b and r15c at the moment).

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: https://lkml.kernel.org/n/tip-x56ypm940pwclwu45d7jfj47@git.kernel.org


Signed-off-by: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
parent fb50c09e

tools/build/Makefile.feature

+1 −0
Original line number Diff line number Diff line
@@ -33,6 +33,7 @@ FEATURE_TESTS_BASIC := \ 
        dwarf_getlocations              \

        fortify-source                  \

        sync-compare-and-swap           \

        get_current_dir_name            \

        glibc                           \

        gtk2                            \

        gtk2-infobar                    \

tools/build/feature/Makefile

+4 −0
Original line number Diff line number Diff line
@@ -7,6 +7,7 @@ FILES= \ 
         test-dwarf_getlocations.bin            \

         test-fortify-source.bin                \

         test-sync-compare-and-swap.bin         \

         test-get_current_dir_name.bin          \

         test-glibc.bin                         \

         test-gtk2.bin                          \

         test-gtk2-infobar.bin                  \
@@ -101,6 +102,9 @@ $(OUTPUT)test-bionic.bin: 
$(OUTPUT)test-libelf.bin:

	$(BUILD) -lelf



$(OUTPUT)test-get_current_dir_name.bin:

	$(BUILD)



$(OUTPUT)test-glibc.bin:

	$(BUILD)

tools/build/feature/test-all.c

+5 −0
Original line number Diff line number Diff line
@@ -34,6 +34,10 @@ 
# include "test-libelf-mmap.c"

#undef main



#define main main_test_get_current_dir_name

# include "test-get_current_dir_name.c"

#undef main



#define main main_test_glibc

# include "test-glibc.c"

#undef main
@@ -174,6 +178,7 @@ int main(int argc, char *argv[]) 
	main_test_hello();

	main_test_libelf();

	main_test_libelf_mmap();

	main_test_get_current_dir_name();

	main_test_glibc();

	main_test_dwarf();

	main_test_dwarf_getlocations();

tools/build/feature/test-get_current_dir_name.c

0 → 100644
+10 −0
Original line number Diff line number Diff line 
// SPDX-License-Identifier: GPL-2.0

#define _GNU_SOURCE

#include <unistd.h>

#include <stdlib.h>



int main(void)

{

	free(get_current_dir_name());

	return 0;

}

tools/perf/Makefile.config

+5 −0
Original line number Diff line number Diff line
@@ -299,6 +299,11 @@ ifndef NO_BIONIC 
  endif

endif



ifeq ($(feature-get_current_dir_name), 1)

  CFLAGS += -DHAVE_GET_CURRENT_DIR_NAME

endif





ifdef NO_LIBELF

  NO_DWARF := 1

  NO_DEMANGLE := 1