From: Arnaldo Carvalho de Melo <a...@redhat.com>

To make it portable to non-glibc systems, that follow the XSI variant
instead of the GNU specific one that gets in place when _GNU_SOURCE is
defined.

Cc: Adrian Hunter <adrian.hun...@intel.com>
Cc: David Ahern <dsah...@gmail.com>
Cc: Jiri Olsa <jo...@kernel.org>
Cc: Josh Poimboeuf <jpoim...@redhat.com>
Cc: Namhyung Kim <namhy...@kernel.org>
Cc: Steven Rostedt <rost...@goodmis.org>
Cc: Wang Nan <wangn...@huawei.com>
Link: http://lkml.kernel.org/n/tip-bozcszy93tpgw9ad6qm3d...@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <a...@redhat.com>
---
 tools/lib/subcmd/run-command.c | 5 +++--
 tools/objtool/Build            | 5 +++++
 2 files changed, 8 insertions(+), 2 deletions(-)

diff --git a/tools/lib/subcmd/run-command.c b/tools/lib/subcmd/run-command.c
index f4f6c9eb8e59..911f83942723 100644
--- a/tools/lib/subcmd/run-command.c
+++ b/tools/lib/subcmd/run-command.c
@@ -3,6 +3,7 @@
 #include <sys/stat.h>
 #include <fcntl.h>
 #include <string.h>
+#include <linux/string.h>
 #include <errno.h>
 #include <sys/wait.h>
 #include "subcmd-util.h"
@@ -109,7 +110,7 @@ int start_command(struct child_process *cmd)
 
                if (cmd->dir && chdir(cmd->dir))
                        die("exec %s: cd to %s failed (%s)", cmd->argv[0],
-                           cmd->dir, strerror_r(errno, sbuf, sizeof(sbuf)));
+                           cmd->dir, str_error_r(errno, sbuf, sizeof(sbuf)));
                if (cmd->env) {
                        for (; *cmd->env; cmd->env++) {
                                if (strchr(*cmd->env, '='))
@@ -173,7 +174,7 @@ static int wait_or_whine(pid_t pid)
                        if (errno == EINTR)
                                continue;
                        fprintf(stderr, " Error: waitpid failed (%s)",
-                               strerror_r(errno, sbuf, sizeof(sbuf)));
+                               str_error_r(errno, sbuf, sizeof(sbuf)));
                        return -ERR_RUN_COMMAND_WAITPID;
                }
                if (waiting != pid)
diff --git a/tools/objtool/Build b/tools/objtool/Build
index 0e89258a3541..2457916a3943 100644
--- a/tools/objtool/Build
+++ b/tools/objtool/Build
@@ -5,9 +5,14 @@ objtool-y += special.o
 objtool-y += objtool.o
 
 objtool-y += libstring.o
+objtool-y += str_error_r.o
 
 CFLAGS += -I$(srctree)/tools/lib
 
 $(OUTPUT)libstring.o: ../lib/string.c FORCE
        $(call rule_mkdir)
        $(call if_changed_dep,cc_o_c)
+
+$(OUTPUT)str_error_r.o: ../lib/str_error_r.c FORCE
+       $(call rule_mkdir)
+       $(call if_changed_dep,cc_o_c)
-- 
2.7.4

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