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authorArnaldo Carvalho de Melo <acme@redhat.com>2018-11-19 16:56:22 -0300
committerArnaldo Carvalho de Melo <acme@redhat.com>2018-11-19 12:12:17 -0800
commit8feb8efef97a134933620071e0b6384cb3238b4e (patch)
tree1b7f3c18e7c8c17292fe84a8b4843fe14a651e97 /tools/build
parentfb50c09e923870a358d68b0d58891bd145b8d7c7 (diff)
downloadlinux-8feb8efef97a134933620071e0b6384cb3238b4e.tar.bz2
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: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/build')
-rw-r--r--tools/build/Makefile.feature1
-rw-r--r--tools/build/feature/Makefile4
-rw-r--r--tools/build/feature/test-all.c5
-rw-r--r--tools/build/feature/test-get_current_dir_name.c10
4 files changed, 20 insertions, 0 deletions
diff --git a/tools/build/Makefile.feature b/tools/build/Makefile.feature
index f216b2f5c3d7..d74bb9414d7c 100644
--- a/tools/build/Makefile.feature
+++ b/tools/build/Makefile.feature
@@ -33,6 +33,7 @@ FEATURE_TESTS_BASIC := \
dwarf_getlocations \
fortify-source \
sync-compare-and-swap \
+ get_current_dir_name \
glibc \
gtk2 \
gtk2-infobar \
diff --git a/tools/build/feature/Makefile b/tools/build/feature/Makefile
index 0516259be70f..304b984f11b9 100644
--- a/tools/build/feature/Makefile
+++ b/tools/build/feature/Makefile
@@ -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)
diff --git a/tools/build/feature/test-all.c b/tools/build/feature/test-all.c
index 8dc20a61341f..56722bfe6bdd 100644
--- a/tools/build/feature/test-all.c
+++ b/tools/build/feature/test-all.c
@@ -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();
diff --git a/tools/build/feature/test-get_current_dir_name.c b/tools/build/feature/test-get_current_dir_name.c
new file mode 100644
index 000000000000..573000f93212
--- /dev/null
+++ b/tools/build/feature/test-get_current_dir_name.c
@@ -0,0 +1,10 @@
+// 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;
+}