bootstrap: Add Mes bootstrap.

* gnu/packages/patches/mes-nyacc-0.86.0.patch: Support bootstrap build.
* gnu/packages/commencement.scm (%fake-bootstrap mes-boot0, mescc-tools-boot,
nyacc-boot, mes-boot, tcc-boot0, tcc-boot, make-mesboot0, diffutils-mesboot,
binutils-mesboot0, gcc-core-mesboot, mesboot-headers, glibc-mesboot0,
gcc-mesboot0, binutils-mesboot, make-mesboot, gmp-boot, mpfr-boot, mpc-boot,
gcc-mesboot1, gcc-mesboot1-wrapper, glibc-headers-mesboot, glibc-mesboot,
gcc-mesboot, gcc-mesboot-wrapper, m4-mesboot): New variable.
* gnu/packages/patches/binutils-boot-2.20.1a.patch: New file. New file.
* gnu/packages/patches/gcc-boot-2.95.3.patch: New file.
* gnu/packages/patches/gcc-boot-4.7.4.patch: New file.
* gnu/packages/patches/glibc-boot-2.16.0.patch: New file.
* gnu/packages/patches/glibc-boot-2.2.5.patch: New file.
* gnu/packages/patches/glibc-bootstrap-system-2.16.0.patch: New file.
* gnu/packages/patches/tcc-boot-0.9.27.patch: New file.
* gnu/local.mk (dist_patch_DATA): Add them.

1 files changed, 30 insertions, 0 deletions

diff --git a/gnu/packages/patches/glibc-bootstrap-system-2.16.0.patch b/gnu/packages/patches/glibc-bootstrap-system-2.16.0.patch
new file mode 100644
index 0000000000..936d592f1a
--- /dev/null
+++ b/gnu/packages/patches/glibc-bootstrap-system-2.16.0.patch
@@ -0,0 +1,30 @@
+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);
+
+