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package/make: include patch for gl_lstat support

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Include upstream commit 193f1e8 "glob: Do not assume glibc glob
internals". Without this if building glibc with host-make it will fail
with a segfault in make:

>>> glibc glibc-2.28-69-g1e5c5303a522764d7e9d2302a60e4a32cdb902f1 Building
PATH="/scratch/builds/host-make/host/bin:/scratch/builds/host-make/host/sbin:/home/sam/bin:/home/sam/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/usr/local/games"  /scratch/builds/host-make/host/bin/host-make -j25  -C /scratch/builds/host-make/build/glibc-glibc-2.28-69-g1e5c5303a522764d7e9d2302a60e4a32cdb902f1/build
/scratch/builds/host-make/host/bin/host-make -r PARALLELMFLAGS="" -C /scratch/builds/host-make/build/glibc-glibc-2.28-69-g1e5c5303a522764d7e9d2302a60e4a32cdb902f1 objdir=`pwd` all
Segmentation fault (core dumped)

Signed-off-by: Samuel Mendoza-Jonas <sam@mendozajonas.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
This commit is contained in:
Samuel Mendoza-Jonas 2019-04-05 09:54:57 +11:00 committed by Peter Korsgaard
parent 95fc346c73
commit a07f69c817
1 changed files with 70 additions and 0 deletions
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70
package/make/0001-glob-Do-not-assume-glibc-glob-internals.patch Normal file
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@ -0,0 +1,70 @@
From 193f1e81edd6b1b56b0eb0ff8aa4b41c7b4257b4 Mon Sep 17 00:00:00 2001
From: Paul Eggert <eggert@cs.ucla.edu>
Date: Sun, 24 Sep 2017 09:12:58 -0400
Subject: [PATCH] glob: Do not assume glibc glob internals.
It has been proposed that glibc glob start using gl_lstat,
which the API allows it to do. GNU 'make' should not get in
the way of this. See:
https://sourceware.org/ml/libc-alpha/2017-09/msg00409.html
* dir.c (local_lstat): New function, like local_stat.
(dir_setup_glob): Use it to initialize gl_lstat too, as the API
requires.
Signed-off-by: Samuel Mendoza-Jonas <sam@mendozajonas.com>
(from upstream commit 193f1e81edd6b1b56b0eb0ff8aa4b41c7b4257b4)
---
dir.c | 29 +++++++++++++++++++++++++++--
1 file changed, 27 insertions(+), 2 deletions(-)
diff --git a/dir.c b/dir.c
index adbb8a9..c343e4c 100644
--- a/dir.c
+++ b/dir.c
@@ -1299,15 +1299,40 @@ local_stat (const char *path, struct stat *buf)
}
#endif
+/* Similarly for lstat. */
+#if !defined(lstat) && !defined(WINDOWS32) || defined(VMS)
+# ifndef VMS
+# ifndef HAVE_SYS_STAT_H
+int lstat (const char *path, struct stat *sbuf);
+# endif
+# else
+ /* We are done with the fake lstat. Go back to the real lstat */
+# ifdef lstat
+# undef lstat
+# endif
+# endif
+# define local_lstat lstat
+#elif defined(WINDOWS32)
+/* Windows doesn't support lstat(). */
+# define local_lstat local_stat
+#else
+static int
+local_lstat (const char *path, struct stat *buf)
+{
+ int e;
+ EINTRLOOP (e, lstat (path, buf));
+ return e;
+}
+#endif
+
void
dir_setup_glob (glob_t *gl)
{
gl->gl_opendir = open_dirstream;
gl->gl_readdir = read_dirstream;
gl->gl_closedir = free;
+ gl->gl_lstat = local_lstat;
gl->gl_stat = local_stat;
- /* We don't bother setting gl_lstat, since glob never calls it.
- The slot is only there for compatibility with 4.4 BSD. */
}
void
--
2.21.0