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Subject[PATCH 2/4] perf tools: configure shell path at compile time
Date
From: Irina Tirdea <irina.tirdea@intel.com>

Shell path /bin/sh is hardcoded in various places in perf. Android has a
different folder structure and does not have /bin/sh.

Set the shell path at compile time in the Makefile by setting PERF_SHELL_PATH.
By default it is set to /bin/sh.

Signed-off-by: Irina Tirdea <irina.tirdea@intel.com>
---
tools/perf/Makefile | 6 +++++-
tools/perf/builtin-help.c | 2 +-
tools/perf/builtin-script.c | 12 ++++++------
3 files changed, 12 insertions(+), 8 deletions(-)

diff --git a/tools/perf/Makefile b/tools/perf/Makefile
index eab4a36..9021a1f 100644
--- a/tools/perf/Makefile
+++ b/tools/perf/Makefile
@@ -828,7 +828,11 @@ $(OUTPUT)builtin-help.o: builtin-help.c $(OUTPUT)common-cmds.h $(OUTPUT)PERF-CFL
$(QUIET_CC)$(CC) -o $@ -c $(ALL_CFLAGS) \
'-DPERF_HTML_PATH="$(htmldir_SQ)"' \
'-DPERF_MAN_PATH="$(mandir_SQ)"' \
- '-DPERF_INFO_PATH="$(infodir_SQ)"' $<
+ '-DPERF_INFO_PATH="$(infodir_SQ)"' \
+ '-DPERF_SHELL_DIR="/bin/sh"' $<
+
+$(OUTPUT)builtin-script.o: builtin-script.c $(OUTPUT)PERF-CFLAGS
+ $(QUIET_CC)$(CC) -o $@ -c $(ALL_CFLAGS) -DPERF_SHELL_DIR='"/bin/sh"' $<

$(OUTPUT)builtin-timechart.o: builtin-timechart.c $(OUTPUT)common-cmds.h $(OUTPUT)PERF-CFLAGS
$(QUIET_CC)$(CC) -o $@ -c $(ALL_CFLAGS) \
diff --git a/tools/perf/builtin-help.c b/tools/perf/builtin-help.c
index 25c8b94..a1d9703 100644
--- a/tools/perf/builtin-help.c
+++ b/tools/perf/builtin-help.c
@@ -171,7 +171,7 @@ static void exec_man_cmd(const char *cmd, const char *page)
{
struct strbuf shell_cmd = STRBUF_INIT;
strbuf_addf(&shell_cmd, "%s %s", cmd, page);
- execl("/bin/sh", "sh", "-c", shell_cmd.buf, NULL);
+ execl(PERF_SHELL_DIR, "sh", "-c", shell_cmd.buf, NULL);
warning("failed to exec '%s': %s", cmd, strerror(errno));
}

diff --git a/tools/perf/builtin-script.c b/tools/perf/builtin-script.c
index 1be843a..4cc2c96 100644
--- a/tools/perf/builtin-script.c
+++ b/tools/perf/builtin-script.c
@@ -1326,7 +1326,7 @@ int cmd_script(int argc, const char **argv, const char *prefix __maybe_unused)
goto out;
}

- __argv[j++] = "/bin/sh";
+ __argv[j++] = PERF_SHELL_DIR;
__argv[j++] = rec_script_path;
if (system_wide)
__argv[j++] = "-a";
@@ -1337,7 +1337,7 @@ int cmd_script(int argc, const char **argv, const char *prefix __maybe_unused)
__argv[j++] = argv[i];
__argv[j++] = NULL;

- execvp("/bin/sh", (char **)__argv);
+ execvp(PERF_SHELL_DIR, (char **)__argv);
free(__argv);
exit(-1);
}
@@ -1353,7 +1353,7 @@ int cmd_script(int argc, const char **argv, const char *prefix __maybe_unused)
}

j = 0;
- __argv[j++] = "/bin/sh";
+ __argv[j++] = PERF_SHELL_DIR;
__argv[j++] = rep_script_path;
for (i = 1; i < rep_args + 1; i++)
__argv[j++] = argv[i];
@@ -1361,7 +1361,7 @@ int cmd_script(int argc, const char **argv, const char *prefix __maybe_unused)
__argv[j++] = "-";
__argv[j++] = NULL;

- execvp("/bin/sh", (char **)__argv);
+ execvp(PERF_SHELL_DIR, (char **)__argv);
free(__argv);
exit(-1);
}
@@ -1390,7 +1390,7 @@ int cmd_script(int argc, const char **argv, const char *prefix __maybe_unused)
goto out;
}

- __argv[j++] = "/bin/sh";
+ __argv[j++] = PERF_SHELL_DIR;
__argv[j++] = script_path;
if (system_wide)
__argv[j++] = "-a";
@@ -1398,7 +1398,7 @@ int cmd_script(int argc, const char **argv, const char *prefix __maybe_unused)
__argv[j++] = argv[i];
__argv[j++] = NULL;

- execvp("/bin/sh", (char **)__argv);
+ execvp(PERF_SHELL_DIR, (char **)__argv);
free(__argv);
exit(-1);
}
--
1.7.9.5


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