From f6bfeb3fce1dd949de73a4b91112f31c3d853369 Mon Sep 17 00:00:00 2001
From: "Yury G. Kudryashov" <urkud.urkud@gmail.com>
Date: Wed, 24 Aug 2011 20:22:27 +0000
Subject: [PATCH] Apply glibc-elf-localscope patch from OpenSUSE
This fixes a lot of crashes in KDE background processes
svn path=/nixpkgs/branches/stdenv-updates/; revision=28796
---
.../glibc-2.12/glibc-elf-localscope.patch | 82 +++++++++++++++++++
.../libraries/glibc-2.13/common.nix | 2 +
2 files changed, 84 insertions(+)
create mode 100644 pkgs/development/libraries/glibc-2.12/glibc-elf-localscope.patch
diff --git a/pkgs/development/libraries/glibc-2.12/glibc-elf-localscope.patch b/pkgs/development/libraries/glibc-2.12/glibc-elf-localscope.patch
new file mode 100644
index 00000000000..98f7f81087b
--- /dev/null
+++ b/pkgs/development/libraries/glibc-2.12/glibc-elf-localscope.patch
@@ -0,0 +1,82 @@
+diff -ru a/elf/dl-close.c b/elf/dl-close.c
+--- a/elf/dl-close.c 2011-02-04 00:35:03.000000000 +0100
++++ b/elf/dl-close.c 2011-02-22 02:16:12.367883000 +0100
+@@ -180,24 +186,28 @@
+ /* Signal the object is still needed. */
+ l->l_idx = IDX_STILL_USED;
+
++#define mark_used(dmap) \
++ do { \
++ if ((dmap)->l_idx != IDX_STILL_USED) \
++ { \
++ assert ((dmap)->l_idx >= 0 && (dmap)->l_idx < nloaded); \
++ \
++ if (!used[(dmap)->l_idx]) \
++ { \
++ used[(dmap)->l_idx] = 1; \
++ if ((dmap)->l_idx - 1 < done_index) \
++ done_index = (dmap)->l_idx - 1; \
++ } \
++ } \
++ } while (0)
++
+ /* Mark all dependencies as used. */
+ if (l->l_initfini != NULL)
+ {
+ struct link_map **lp = &l->l_initfini[1];
+ while (*lp != NULL)
+ {
+- if ((*lp)->l_idx != IDX_STILL_USED)
+- {
+- assert ((*lp)->l_idx >= 0 && (*lp)->l_idx < nloaded);
+-
+- if (!used[(*lp)->l_idx])
+- {
+- used[(*lp)->l_idx] = 1;
+- if ((*lp)->l_idx - 1 < done_index)
+- done_index = (*lp)->l_idx - 1;
+- }
+- }
+-
++ mark_used(*lp);
+ ++lp;
+ }
+ }
+@@ -206,19 +216,25 @@
+ for (unsigned int j = 0; j < l->l_reldeps->act; ++j)
+ {
+ struct link_map *jmap = l->l_reldeps->list[j];
+-
+- if (jmap->l_idx != IDX_STILL_USED)
+- {
+- assert (jmap->l_idx >= 0 && jmap->l_idx < nloaded);
+-
+- if (!used[jmap->l_idx])
+- {
+- used[jmap->l_idx] = 1;
+- if (jmap->l_idx - 1 < done_index)
+- done_index = jmap->l_idx - 1;
+- }
+- }
++ mark_used(jmap);
+ }
++ /* And the same for owners of our scopes; normally, our last
++ scope provider would render us unused, but this can be
++ prevented by the NODELETE flag. */
++ if (__builtin_expect(l->l_type == lt_loaded
++ && (l->l_flags_1 & DF_1_NODELETE), 0))
++ for (size_t cnt = 0; l->l_scope[cnt] != NULL; ++cnt)
++ /* This relies on l_scope[] entries being always set either
++ to its own l_symbolic_searchlist address, or some map's
++ l_searchlist address. */
++ if (l->l_scope[cnt] != &l->l_symbolic_searchlist)
++ {
++ struct link_map *ls = (struct link_map *)
++ ((char *) l->l_scope[cnt]
++ - offsetof (struct link_map, l_searchlist));
++ assert (ls->l_ns == nsid);
++ mark_used(ls);
++ }
+ }
+
+ /* Sort the entries. */
diff --git a/pkgs/development/libraries/glibc-2.13/common.nix b/pkgs/development/libraries/glibc-2.13/common.nix
index 460deb1019b..c6ea06cc117 100644
--- a/pkgs/development/libraries/glibc-2.13/common.nix
+++ b/pkgs/development/libraries/glibc-2.13/common.nix
@@ -74,6 +74,8 @@ stdenv.mkDerivation ({
/* Allow nixos and nix handle the locale-archive. */
./nix-locale-archive.patch
+ /* Without this patch many KDE binaries crash. */
+ ./glibc-elf-localscope.patch
];
postPatch = ''