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
@@ -134,7 +134,7 @@ do_system (const char *line)
       INIT_LOCK ();
 
       /* Exec the shell.  */
-      (void) __execve (SHELL_PATH, (char *const *) new_argv, __environ);
+      (void) __execvpe (SHELL_NAME, (char *const *) new_argv, __environ);
       _exit (127);
     }
   else if (pid < (pid_t) 0)

--- a/libio/iopopen.c
+++ b/libio/iopopen.c
@@ -145,7 +145,7 @@ _IO_new_proc_open (fp, command, mode)
 	    _IO_close (fd);
 	}
 
-      _IO_execl ("/bin/sh", "sh", "-c", command, (char *) 0);
+      execlp ("sh", "sh", "-c", command, (char *) 0);
       _IO__exit (127);
     }
   _IO_close (child_end);


ght'></td></tr></table>
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<div class='path'>path: <a href='/guix/log/?id=d921cf8d279daa67406445aed5828564f059600c'>root</a>/<a href='/guix/log/gnu?id=d921cf8d279daa67406445aed5828564f059600c'>gnu</a>/<a href='/guix/log/gnu/bootloader.scm?id=d921cf8d279daa67406445aed5828564f059600c'>bootloader.scm</a></div><div class='content'><table class='list nowrap'><tr class='nohover'><th class='left'>Age</th><th class='left'>Commit message (<a href='/guix/log/gnu/bootloader.scm?id=d921cf8d279daa67406445aed5828564f059600c&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2021-11-17 23:05:58 +0100'>2021-11-17</span></td><td><a href='/guix/commit/gnu/bootloader.scm?id=7c4142628a397f7863f346635591dbe92b667b45'>gnu: system: Improve location of some configuration warnings.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/bootloader.scm (%warn-target-field-deprecation): Remove it.
* gnu/bootloader.scm (warn-target-field-deprecation): Use
define-with-syntax-properties.
* gnu/system.scm (ensure-setuid-program-list): Ditto.  Also rename the
'location' variable to 'properties'.

Signed-off-by: Ludovic Courtès &lt;ludo@gnu.org&gt;
</span></span></td><td>Josselin Poiret</td></tr>
<tr><td><span title='2021-08-30 14:22:35 +0200'>2021-08-30</span></td><td><a href='/guix/commit/gnu/bootloader.scm?id=baf4272df2350a40bfa198f5cdb42e707e32ad71'>bootloader: Report location of the deprecated 'target' field.</a><span class='msg-avail'>...<span class='msg-tooltip'>This is a followup to 2ca982ff41270288913ad6b7d5d9e1cad87b06d9.

* gnu/bootloader.scm (warn-target-field-deprecation): New macro.
(&lt;bootloader-configuration&gt;)[target]: Add 'sanitize' property.
(%warn-target-field-deprecation): New procedure.
(bootloader-configuration-target): Define using 'define-deprecated'.
(bootloader-configuration-targets): Use
'%bootloader-configuration-target' rather than the deprecated one.
</span></span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2021-08-29 01:05:26 -0400'>2021-08-29</span></td><td><a href='/guix/commit/gnu/bootloader.scm?id=2ca982ff41270288913ad6b7d5d9e1cad87b06d9'>gnu: bootloader: Support multiple targets.</a><span class='msg-avail'>...<span class='msg-tooltip'>Fixes &lt;https://issues.guix.gnu.org/40997&gt;.

* gnu/bootloader.scm (&lt;bootloader-configuration&gt;): New 'targets' field.
(%bootloader-configuration-target): New procedure.
(bootloader-configuration-target): Add deprecation warning.
(bootloader-configuration-targets): New procedure.
* guix/scripts/system.scm (install): Access targets via
bootloader-configuration-targets.
(perform-action)[bootloader-target]: Remove unused argument and update doc.
Access targets via bootloader-configuration-targets and fix indentation.
(process-action): Access targets via bootloader-configuration-targets.
Do not provide the unused BOOTLOADER-TARGET argument when applying
`perform-action'.
* guix/scripts/system/reconfigure.scm (install-bootloader-program): Rename
DEVICE argument to DEVICES.  Adjust doc and comment.  Apply `installer' and
`disk-installer' for every DEVICES.
(install-bootloader): Access targets via bootloader-configuration-targets and
rename variable from DEVICE to DEVICES.
* gnu/tests/install.scm: Adjust accordingly.
* tests/guix-system.sh: Likewise.
* gnu/tests/reconfigure.scm (run-install-bootloader-test): Adjust the DEVICES
argument so that it is a list.
* doc/guix.texi: Update doc.
</span></span></td><td>Maxim Cournoyer</td></tr>
<tr><td><span title='2020-11-17 16:03:03 +0100'>2020-11-17</span></td><td><a href='/guix/commit/gnu/bootloader.scm?id=ede4117f7f18e118003f2599f5c8e985dfbdf9a5'>gnu: bootloader: efi-bootloader-chain: Allow multiple HOOKS.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/bootloader.scm (efi-bootloader-profile): Allow multiple HOOKS.
(efi-bootloader-chain): Allow multiple HOOKS.

Signed-off-by: Danny Milosavljevic &lt;dannym@scratchpost.org&gt;
</span></span></td><td>Stefan</td></tr>
<tr><td><span title='2020-11-16 10:33:18 +0100'>2020-11-16</span></td><td><a href='/guix/commit/gnu/bootloader.scm?id=74eeb11daee906cb012f10b6bb3afd254f9ea5c2'>gnu: bootloader: Support chain loading to an EFI bootloader.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/bootloader.scm (efi-bootloader-profile): New function.
(efi-bootloader-chain): New function.

Signed-off-by: Danny Milosavljevic &lt;dannym@scratchpost.org&gt;
</span></span></td><td>Stefan</td></tr>