[PATCH v3 1/2] perf subcmd: Set environment variable "PREFIX"

From: Leo Yan
Date: Sat Sep 24 2022 - 22:59:21 EST


Set environment variable "PREFIX", it will be used by invoked shell
script, e.g. the shell script uses it to find lib paths.

Signed-off-by: Leo Yan <leo.yan@xxxxxxxxxx>
---
tools/lib/subcmd/exec-cmd.c | 3 +++
1 file changed, 3 insertions(+)

diff --git a/tools/lib/subcmd/exec-cmd.c b/tools/lib/subcmd/exec-cmd.c
index 33e94fb83986..5dbea456973e 100644
--- a/tools/lib/subcmd/exec-cmd.c
+++ b/tools/lib/subcmd/exec-cmd.c
@@ -24,6 +24,9 @@ void exec_cmd_init(const char *exec_name, const char *prefix,
subcmd_config.prefix = prefix;
subcmd_config.exec_path = exec_path;
subcmd_config.exec_path_env = exec_path_env;
+
+ /* Setup environment variable for invoked shell script. */
+ setenv("PREFIX", prefix, 1);
}

#define is_dir_sep(c) ((c) == '/')
--
2.34.1