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);


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<div class='path'>path: <a href='/guix/log/?id=6995d6843596e38e4452a8b775d572dd2f26c64b&amp;showmsg=1'>root</a>/<a href='/guix/log/nix?id=6995d6843596e38e4452a8b775d572dd2f26c64b&amp;showmsg=1'>nix</a>/<a href='/guix/log/nix/boost?id=6995d6843596e38e4452a8b775d572dd2f26c64b&amp;showmsg=1'>boost</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/nix/boost?id=6995d6843596e38e4452a8b775d572dd2f26c64b'>Collapse</a>)</th><th class='left'>Author</th></tr>
<tr class='logheader'><td><span title='2020-06-24 19:55:22 +0100'>2020-06-24</span></td><td class='logsubject'><a href='/guix/commit/nix/boost?id=cd43b55da7ab51c996a7a3449c78f2a493616106'>nix: Tweak .gitignore files.</a></td><td>Christopher Baines</td></tr>
<tr class='nohover-highlight'><td/><td colspan='3' class='logmsg'>
Remove .gitignore entries where they match source files that are tracked in
Git.  This is relevant to me at least, as some code searching tools use
.gitignore files and will ignore matched files.


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<tr class='logheader'><td><span title='2019-11-26 00:16:36 +0100'>2019-11-26</span></td><td class='logsubject'><a href='/guix/commit/nix/boost?id=3a4d5ddd322c7daf0a8c83ca2c87c3fc38b19f0b'>daemon: boost::format: Fix typo "referred".</a></td><td>Vagrant Cascadian</td></tr>
<tr class='nohover-highlight'><td/><td colspan='3' class='logmsg'>
* nix/boost/format/exceptions.hpp (too_few_args): Fix typo.
  (too_many_args): Fix typo.

Signed-off-by: Ludovic Courtès &lt;ludo@gnu.org&gt;


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