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distro: make-bootstrap: Have libc's functions search for `sh' in $PATH.

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* distro/packages/make-bootstrap.scm (%glibc-with-relocatable-system,
  %standard-inputs-with-relocatable-glibc): New variables.
  (%static-inputs)[gawk]: Apply `gawk-shell.patch'.
  [finalize]: New procedure.
  Build all the packages against %STANDARD-INPUTS-WITH-RELOCATABLE-GLIBC.
  (%glibc-stripped): Inherit from %GLIBC-WITH-RELOCATABLE-SYSTEM.
  (%gcc-static, %guile-static): Build against
  %STANDARD-INPUTS-WITH-RELOCATABLE-GLIBC.
* distro/packages/patches/gawk-shell.patch,
  distro/packages/patches/glibc-bootstrap-system.patch: New files.
* Makefile.am (dist_patch_DATA): Add them.
This commit is contained in:
Ludovic Courtès 2012-12-20 01:29:56 +01:00
parent 6e32f6c019
commit 5d4fd2671a
4 changed files with 176 additions and 75 deletions
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28
distro/packages/patches/glibc-bootstrap-system.patch Normal file
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@ -0,0 +1,28 @@
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)
--- b/libio/iopopen.c 2012-06-30 21:12:34.000000000 +0200
+++ b/libio/iopopen.c 2012-12-19 12:52:29.000000000 +0100
@@ -226,7 +226,7 @@ _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);