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);


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<div class='path'>path: <a href='/guix/log/?id=ca7e310f7ac32354b2e693e9a0f783320952a8fc'>root</a>/<a href='/guix/log/gnu?id=ca7e310f7ac32354b2e693e9a0f783320952a8fc'>gnu</a>/<a href='/guix/log/gnu/packages?id=ca7e310f7ac32354b2e693e9a0f783320952a8fc'>packages</a>/<a href='/guix/log/gnu/packages/patches?id=ca7e310f7ac32354b2e693e9a0f783320952a8fc'>patches</a>/<a href='/guix/log/gnu/packages/patches/emacs-all-the-icons-remove-duplicate-rs.patch?id=ca7e310f7ac32354b2e693e9a0f783320952a8fc'>emacs-all-the-icons-remove-duplicate-rs.patch</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/packages/patches/emacs-all-the-icons-remove-duplicate-rs.patch?id=ca7e310f7ac32354b2e693e9a0f783320952a8fc&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2023-08-19 01:55:30 +0200'>2023-08-19</span></td><td><a href='/guix/commit/gnu/packages/patches/emacs-all-the-icons-remove-duplicate-rs.patch?id=f9b3bcac9ad64bdf43b2cdd8fd9ed74dec137590'>gnu: emacs-all-the-icons: Fix build.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/patches/emacs-all-the-icons-remove-duplicate-rs.patch: New
file.
* gnu/local.mk (dist_patch_DATA): Register it here.
* gnu/packages/emacs-xyz.scm (emacs-all-the-icons)[source]&lt;patches&gt;: Use it here.
</span></span></td><td>Liliana Marie Prikler</td></tr>