We want to allow builds in chroots that lack /bin/sh.  Thus, system(3)
and popen(3) need to be tweaked to use the right shell.  For the bootstrap
glibc, we just use whatever `sh' can be found in $PATH.  The final glibc
instead uses the hard-coded absolute file name of `bash'.

--- a/sysdeps/posix/system.c
+++ b/sysdeps/posix/system.c
@@ -106,8 +106,8 @@ do_system (const char *line)
       (void) UNBLOCK;
 
       /* Exec the shell.  */
-      (void) __execve (SHELL_PATH, (char *const *) new_argv, __environ);
+      (void) execvp (SHELL_NAME, (char *const *) new_argv);
       _exit (127);
     }
   else if (pid < (pid_t) 0)
     /* The fork failed.  */
--- a/libio/iopopen.c
+++ b/libio/iopopen.c
@@ -170,7 +170,7 @@ _IO_new_proc_open (fp, command, mode)
       for (p = proc_file_chain; p; p = p->next)
 	_IO_close (_IO_fileno ((_IO_FILE *) p));
 
-      _IO_execl ("/bin/sh", "sh", "-c", command, (char *) 0);
+      execlp ("sh", "sh", "-c", command, (char *) 0);
       _IO__exit (127);
     }
   _IO_close (child_end);


ble>
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<tr><td><span title='2023-07-15 14:02:40 -0400'>2023-07-15</span></td><td><a href='/guix/commit/gnu/packages/aux-files/linux-libre/6.4-arm64.conf?id=49f74b67a44882d2af0529abf3e60a9c37512f2c'>gnu: Add linux-libre 6.4</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/linux.scm (linux-libre-6.4-version, linux-libre-6.4-gnu-revision,
deblob-scripts-6.4, linux-libre-6.4-pristine-source, linux-libre-6.4-source,
linux-libre-headers-6.4, linux-libre-6.4: New variables.
* gnu/packages/aux-files/linux-libre/6.4-arm.conf,
* gnu/packages/aux-files/linux-libre/6.4-arm64.conf,
* gnu/packages/aux-files/linux-libre/6.4-i686.conf,
* gnu/packages/aux-files/linux-libre/6.4-x86_64.conf: New files.
* Makefile.am (AUX_FILES): Add them.
</span></span></td><td>Leo Famulari</td></tr>