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perf subcmd: Set environment variable "PREFIX"

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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@linaro.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Ian Rogers <irogers@google.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: https://lore.kernel.org/r/20220925025835.70364-2-leo.yan@linaro.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Leo Yan 2022-09-25 10:58:34 +08:00 committed by Arnaldo Carvalho de Melo
parent 96b731412d
commit 0584439345
1 changed files with 3 additions and 0 deletions
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3
tools/lib/subcmd/exec-cmd.c
View file

@ -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) == '/')