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authorJohn Crispin <john@openwrt.org>2015-03-12 19:50:57 +0000
committerJohn Crispin <john@openwrt.org>2015-03-12 19:50:57 +0000
commit3e2f57835342074a90843077c1c63c88a42e6217 (patch)
tree666eb809bad8689d3e992696cd44ea8efa233eda /toolchain/glibc/patches
parenteff1859f8e75d7d7cc3d07d2bcb5952ab214b8a0 (diff)
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toolchain: The glorious return of glibc, ver 2.21
It's the eglibc packaging with a bit of spit-polishing. And testing. :-) [blogic: merged glibc and eglibc into 1 and made eglibc a glibc variant] Signed-off-by: Jeff Waugh <jdub@bethesignal.org> Signed-off-by: John Crispin <blogic@openwrt.org> SVN-Revision: 44701
Diffstat (limited to 'toolchain/glibc/patches')
-rw-r--r--toolchain/glibc/patches/2.15/001-fix_autoconf_macro.patch48
-rw-r--r--toolchain/glibc/patches/2.15/005-versions.patch11
-rw-r--r--toolchain/glibc/patches/2.15/050-all_glibc-2.14-leak-revert-crash.patch110
-rw-r--r--toolchain/glibc/patches/2.15/100-fix_cross_rpcgen.patch71
-rw-r--r--toolchain/glibc/patches/2.15/110-fix_cross_zic.patch27
-rw-r--r--toolchain/glibc/patches/2.15/120-use_host_cflags.patch22
-rw-r--r--toolchain/glibc/patches/2.15/200-add-dl-search-paths.patch14
-rw-r--r--toolchain/glibc/patches/2.19/100-fix_cross_rpcgen.patch52
-rw-r--r--toolchain/glibc/patches/2.19/200-add-dl-search-paths.patch14
-rw-r--r--toolchain/glibc/patches/2.19/300-require-autoconf-2.69.patch13
-rw-r--r--toolchain/glibc/patches/2.21/100-fix_cross_rpcgen.patch52
-rw-r--r--toolchain/glibc/patches/2.21/200-add-dl-search-paths.patch14
12 files changed, 448 insertions, 0 deletions
diff --git a/toolchain/glibc/patches/2.15/001-fix_autoconf_macro.patch b/toolchain/glibc/patches/2.15/001-fix_autoconf_macro.patch
new file mode 100644
index 0000000000..55b26c7dad
--- /dev/null
+++ b/toolchain/glibc/patches/2.15/001-fix_autoconf_macro.patch
@@ -0,0 +1,48 @@
+--- a/libc/aclocal.m4
++++ b/libc/aclocal.m4
+@@ -88,6 +88,12 @@
+ fi
+ rm -fr contest*])
+
++dnl Test a compiler option or options with an empty input file.
++dnl LIBC_TRY_CC_OPTION([options], [action-if-true], [action-if-false])
++AC_DEFUN([LIBC_TRY_CC_OPTION],
++[AS_IF([AC_TRY_COMMAND([${CC-cc} $1 -xc /dev/null -S -o /dev/null])],
++ [$2], [$3])])
++
+ AC_DEFUN([LIBC_PROG_BINUTILS],
+ [# Was a --with-binutils option given?
+ if test -n "$path_binutils"; then
+--- a/libc/configure
++++ b/libc/configure
+@@ -7404,7 +7404,14 @@
+ else
+ libc_cv_cc_nofma=
+ for opt in -ffp-contract=off -mno-fused-madd; do
+- LIBC_TRY_CC_OPTION($opt, libc_cv_cc_nofma=$opt; break)
++ if { ac_try='${CC-cc} $opt -xc /dev/null -S -o /dev/null'
++ { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
++ (eval $ac_try) 2>&5
++ ac_status=$?
++ $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
++ test $ac_status = 0; }; }; then :
++ libc_cv_cc_nofma=$opt; break
++fi
+ done
+ fi
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_cc_nofma" >&5
+--- a/libc/configure.in
++++ b/libc/configure.in
+@@ -2238,10 +2238,9 @@
+ libc_cv_cc_submachine, [dnl
+ libc_cv_cc_submachine=no
+ for opt in "-march=$submachine" "-mcpu=$submachine"; do
+- if AC_TRY_COMMAND([${CC-cc} $opt -xc /dev/null -S -o /dev/null]); then
++ LIBC_TRY_CC_OPTION([$opt], [
+ libc_cv_cc_submachine="$opt"
+- break
+- fi
++ break], [])
+ done])
+ if test "x$libc_cv_cc_submachine" = xno; then
+ AC_MSG_ERROR([${CC-cc} does not support $submachine])
diff --git a/toolchain/glibc/patches/2.15/005-versions.patch b/toolchain/glibc/patches/2.15/005-versions.patch
new file mode 100644
index 0000000000..da9d2bacb5
--- /dev/null
+++ b/toolchain/glibc/patches/2.15/005-versions.patch
@@ -0,0 +1,11 @@
+--- a/libc/configure.in
++++ b/libc/configure.in
+@@ -1037,7 +1037,7 @@
+ critic_missing="$critic_missing gcc")
+ AC_CHECK_PROG_VER(MAKE, gnumake gmake make, --version,
+ [GNU Make[^0-9]*\([0-9][0-9.]*\)],
+- [3.79* | 3.[89]*], critic_missing="$critic_missing make")
++ [3.79* | 3.[89]* | 4.* ], critic_missing="$critic_missing make")
+
+ AC_CHECK_PROG_VER(MSGFMT, gnumsgfmt gmsgfmt msgfmt, --version,
+ [GNU gettext.* \([0-9]*\.[0-9.]*\)],
diff --git a/toolchain/glibc/patches/2.15/050-all_glibc-2.14-leak-revert-crash.patch b/toolchain/glibc/patches/2.15/050-all_glibc-2.14-leak-revert-crash.patch
new file mode 100644
index 0000000000..d1e19aa448
--- /dev/null
+++ b/toolchain/glibc/patches/2.15/050-all_glibc-2.14-leak-revert-crash.patch
@@ -0,0 +1,110 @@
+partially revert commit 4bff6e0175ed195871f4e01cc4c4c33274b8f6e3 - caused segmentation faults in dlopen
+
+References:
+http://comments.gmane.org/gmane.comp.lib.glibc.user/1227
+http://sourceware.org/ml/libc-alpha/2011-06/msg00006.html
+
+diff --git a/libc/elf/dl-close.c b/libc/elf/dl-close.c
+index 4b17bf8..733cc1b 100644
+--- a/libc/elf/dl-close.c
++++ b/libc/elf/dl-close.c
+@@ -119,17 +119,8 @@ _dl_close_worker (struct link_map *map)
+ if (map->l_direct_opencount > 0 || map->l_type != lt_loaded
+ || dl_close_state != not_pending)
+ {
+- if (map->l_direct_opencount == 0)
+- {
+- if (map->l_type == lt_loaded)
+- dl_close_state = rerun;
+- else if (map->l_type == lt_library)
+- {
+- struct link_map **oldp = map->l_initfini;
+- map->l_initfini = map->l_orig_initfini;
+- _dl_scope_free (oldp);
+- }
+- }
++ if (map->l_direct_opencount == 0 && map->l_type == lt_loaded)
++ dl_close_state = rerun;
+
+ /* There are still references to this object. Do nothing more. */
+ if (__builtin_expect (GLRO_dl_debug_mask & DL_DEBUG_FILES, 0))
+diff --git a/libc/elf/dl-deps.c b/libc/elf/dl-deps.c
+index 51cb2fa..eddcbf0 100644
+--- a/libc/elf/dl-deps.c
++++ b/libc/elf/dl-deps.c
+@@ -489,6 +489,7 @@ _dl_map_object_deps (struct link_map *map,
+ nneeded * sizeof needed[0]);
+ atomic_write_barrier ();
+ l->l_initfini = l_initfini;
++ l->l_free_initfini = 1;
+ }
+
+ /* If we have no auxiliary objects just go on to the next map. */
+@@ -689,6 +690,7 @@ Filters not supported with LD_TRACE_PRELINKING"));
+ l_initfini[nlist] = NULL;
+ atomic_write_barrier ();
+ map->l_initfini = l_initfini;
++ map->l_free_initfini = 1;
+ if (l_reldeps != NULL)
+ {
+ atomic_write_barrier ();
+@@ -697,7 +699,7 @@ Filters not supported with LD_TRACE_PRELINKING"));
+ _dl_scope_free (old_l_reldeps);
+ }
+ if (old_l_initfini != NULL)
+- map->l_orig_initfini = old_l_initfini;
++ _dl_scope_free (old_l_initfini);
+
+ if (errno_reason)
+ _dl_signal_error (errno_reason == -1 ? 0 : errno_reason, objname,
+diff --git a/libc/elf/dl-libc.c b/libc/elf/dl-libc.c
+index f44fa10..7563093 100644
+--- a/libc/elf/dl-libc.c
++++ b/libc/elf/dl-libc.c
+@@ -284,6 +284,10 @@ libc_freeres_fn (free_mem)
+ if (! old->dont_free)
+ free (old);
+ }
++
++ /* Free the initfini dependency list. */
++ if (l->l_free_initfini)
++ free (l->l_initfini);
+ }
+
+ if (__builtin_expect (GL(dl_ns)[ns]._ns_global_scope_alloc, 0) != 0
+diff --git a/libc/elf/rtld.c b/libc/elf/rtld.c
+index b93a01f..2fc83ce 100644
+--- a/libc/elf/rtld.c
++++ b/libc/elf/rtld.c
+@@ -2277,6 +2277,7 @@ ERROR: ld.so: object '%s' cannot be loaded as audit interface: %s; ignored.\n",
+ lnp->dont_free = 1;
+ lnp = lnp->next;
+ }
++ l->l_free_initfini = 0;
+
+ if (l != &GL(dl_rtld_map))
+ _dl_relocate_object (l, l->l_scope, GLRO(dl_lazy) ? RTLD_LAZY : 0,
+diff --git a/libc/include/link.h b/libc/include/link.h
+index e877104..b1b4065 100644
+--- a/libc/include/link.h
++++ b/libc/include/link.h
+@@ -192,6 +192,9 @@ struct link_map
+ during LD_TRACE_PRELINKING=1
+ contains any DT_SYMBOLIC
+ libraries. */
++ unsigned int l_free_initfini:1; /* Nonzero if l_initfini can be
++ freed, ie. not allocated with
++ the dummy malloc in ld.so. */
+
+ /* Collected information about own RPATH directories. */
+ struct r_search_path_struct l_rpath_dirs;
+@@ -240,9 +243,6 @@ struct link_map
+
+ /* List of object in order of the init and fini calls. */
+ struct link_map **l_initfini;
+- /* The init and fini list generated at startup, saved when the
+- object is also loaded dynamically. */
+- struct link_map **l_orig_initfini;
+
+ /* List of the dependencies introduced through symbol binding. */
+ struct link_map_reldeps
diff --git a/toolchain/glibc/patches/2.15/100-fix_cross_rpcgen.patch b/toolchain/glibc/patches/2.15/100-fix_cross_rpcgen.patch
new file mode 100644
index 0000000000..8fe5cf3f7c
--- /dev/null
+++ b/toolchain/glibc/patches/2.15/100-fix_cross_rpcgen.patch
@@ -0,0 +1,71 @@
+--- a/libc/sunrpc/proto.h
++++ b/libc/sunrpc/proto.h
+@@ -56,12 +56,14 @@ void add_type(int len, const char *type)
+ $build's C library and $host's GLIBC. */
+ #ifdef _CROSS_RPCGEN_
+
++#undef stpcpy
++
+ /* Rather then defining _GNU_SOURCE before including $build's <string.h>
+ we just declare stpcpy here. */
+ extern char *stpcpy (char *, const char *);
+
+-/* Use $build's i18n support as we can't use $host's. */
+-#define _(X) (gettext (X))
++/* Do not use i18n support */
++#define _(X) (X)
+
+ /* rpcgen sources check for __GNU_LIBRARY__ to tweak for GLIBC code
+ that rpcgen generates. The proper fix would be to rename all those checks
+--- a/libc/sunrpc/rpc/types.h
++++ b/libc/sunrpc/rpc/types.h
+@@ -70,18 +70,23 @@ typedef unsigned long rpcport_t;
+ #endif
+
+ #ifndef __u_char_defined
+-typedef __u_char u_char;
+-typedef __u_short u_short;
+-typedef __u_int u_int;
+-typedef __u_long u_long;
+-typedef __quad_t quad_t;
+-typedef __u_quad_t u_quad_t;
+-typedef __fsid_t fsid_t;
++typedef unsigned char u_char;
++typedef unsigned short u_short;
++typedef unsigned int u_int;
++typedef unsigned long u_long;
++#if __WORDSIZE == 64
++typedef long int quad_t;
++typedef unsigned long int u_quad_t;
++#elif defined __GLIBC_HAVE_LONG_LONG
++typedef long long int quad_t;
++typedef unsigned long long int u_quad_t;
++#endif
++typedef u_quad_t fsid_t;
+ # define __u_char_defined
+ #endif
+-#ifndef __daddr_t_defined
+-typedef __daddr_t daddr_t;
+-typedef __caddr_t caddr_t;
++#if !defined(__daddr_t_defined) && defined(linux)
++typedef long int daddr_t;
++typedef char *caddr_t;
+ # define __daddr_t_defined
+ #endif
+
+--- a/libc/sunrpc/rpc_main.c
++++ b/libc/sunrpc/rpc_main.c
+@@ -997,9 +997,10 @@ mkfile_output (struct commandline *cmd)
+ abort ();
+ temp = rindex (cmd->infile, '.');
+ cp = stpcpy (mkfilename, "Makefile.");
+- if (temp != NULL)
+- *((char *) stpncpy (cp, cmd->infile, temp - cmd->infile)) = '\0';
+- else
++ if (temp != NULL) {
++ strncpy(cp, cmd->infile, temp - cmd->infile);
++ cp[temp - cmd->infile - 1] = 0;
++ } else
+ stpcpy (cp, cmd->infile);
+
+ }
diff --git a/toolchain/glibc/patches/2.15/110-fix_cross_zic.patch b/toolchain/glibc/patches/2.15/110-fix_cross_zic.patch
new file mode 100644
index 0000000000..221eb28709
--- /dev/null
+++ b/toolchain/glibc/patches/2.15/110-fix_cross_zic.patch
@@ -0,0 +1,27 @@
+--- a/libc/timezone/zic.c
++++ b/libc/timezone/zic.c
+@@ -8,6 +8,8 @@ static char elsieid[] = "@(#)zic.c 8.19"
+ #ifdef CROSS_ZIC
+ #define REPORT_BUGS_TO ""
+ #define PKGVERSION ""
++#undef _
++#define _(X) (X)
+ #else
+ #include "config.h"
+ #endif
+@@ -490,6 +492,7 @@ char * argv[];
+ #ifdef unix
+ (void) umask(umask(S_IWGRP | S_IWOTH) | (S_IWGRP | S_IWOTH));
+ #endif /* defined unix */
++#ifndef CROSS_ZIC
+ #if HAVE_GETTEXT
+ (void) setlocale(LC_ALL, "");
+ #ifdef TZ_DOMAINDIR
+@@ -497,6 +500,7 @@ char * argv[];
+ #endif /* defined TEXTDOMAINDIR */
+ (void) textdomain(TZ_DOMAIN);
+ #endif /* HAVE_GETTEXT */
++#endif
+ progname = argv[0];
+ if (TYPE_BIT(zic_t) < 64) {
+ (void) fprintf(stderr, "%s: %s\n", progname,
diff --git a/toolchain/glibc/patches/2.15/120-use_host_cflags.patch b/toolchain/glibc/patches/2.15/120-use_host_cflags.patch
new file mode 100644
index 0000000000..4c58fb4fb4
--- /dev/null
+++ b/toolchain/glibc/patches/2.15/120-use_host_cflags.patch
@@ -0,0 +1,22 @@
+--- a/libc/sunrpc/Makefile
++++ b/libc/sunrpc/Makefile
+@@ -175,7 +175,7 @@ $(objpfx)rpcgen: $(addprefix $(objpfx),$
+ $(+link)
+
+ $(addprefix $(objpfx)cross-,$(rpcgen-objs)): $(objpfx)cross-%.o: %.c
+- gcc $< -c -D_RPC_THREAD_SAFE_ -D_CROSS_RPCGEN_ \
++ gcc $< -c -D_RPC_THREAD_SAFE_ -D_CROSS_RPCGEN_ $(HOST_CFLAGS) \
+ $(OUTPUT_OPTION) $(compile-mkdep-flags)
+
+ $(objpfx)cross-rpcgen: $(addprefix $(objpfx)cross-,$(rpcgen-objs))
+--- a/libc/timezone/Makefile
++++ b/libc/timezone/Makefile
+@@ -182,7 +182,7 @@ $(objpfx)zic: $(addprefix $(objpfx), $(z
+
+ $(addprefix $(objpfx)cross-,$(zic-objs)): $(objpfx)cross-%.o: %.c
+ gcc $< -c $(OUTPUT_OPTION) $(CFLAGS-$*.c) $(CPPFLAGS-$*) \
+- -DCROSS_ZIC $(compile-mkdep-flags)
++ -DCROSS_ZIC $(HOST_CFLAGS) $(compile-mkdep-flags)
+
+ $(objpfx)cross-zic: $(addprefix $(objpfx)cross-,$(zic-objs))
+ gcc $(addprefix $(objpfx)cross-,$(zic-objs)) -o $@
diff --git a/toolchain/glibc/patches/2.15/200-add-dl-search-paths.patch b/toolchain/glibc/patches/2.15/200-add-dl-search-paths.patch
new file mode 100644
index 0000000000..70e7e604de
--- /dev/null
+++ b/toolchain/glibc/patches/2.15/200-add-dl-search-paths.patch
@@ -0,0 +1,14 @@
+add /usr/lib to default search path for the dynamic linker
+
+--- a/libc/Makeconfig
++++ b/libc/Makeconfig
+@@ -539,6 +539,9 @@
+ default-rpath = $(libdir)
+ endif
+
++# Add /usr/lib to default search path for the dynamic linker
++user-defined-trusted-dirs := /usr/lib
++
+ ifndef link-extra-libs
+ link-extra-libs = $(LDLIBS-$(@F))
+ link-extra-libs-static = $(link-extra-libs)
diff --git a/toolchain/glibc/patches/2.19/100-fix_cross_rpcgen.patch b/toolchain/glibc/patches/2.19/100-fix_cross_rpcgen.patch
new file mode 100644
index 0000000000..5c0d45b530
--- /dev/null
+++ b/toolchain/glibc/patches/2.19/100-fix_cross_rpcgen.patch
@@ -0,0 +1,52 @@
+--- a/libc/sunrpc/rpc/types.h
++++ b/libc/sunrpc/rpc/types.h
+@@ -75,18 +75,23 @@ typedef unsigned long rpcport_t;
+ #endif
+
+ #ifndef __u_char_defined
+-typedef __u_char u_char;
+-typedef __u_short u_short;
+-typedef __u_int u_int;
+-typedef __u_long u_long;
+-typedef __quad_t quad_t;
+-typedef __u_quad_t u_quad_t;
+-typedef __fsid_t fsid_t;
++typedef unsigned char u_char;
++typedef unsigned short u_short;
++typedef unsigned int u_int;
++typedef unsigned long u_long;
++#if __WORDSIZE == 64
++typedef long int quad_t;
++typedef unsigned long int u_quad_t;
++#elif defined __GLIBC_HAVE_LONG_LONG
++typedef long long int quad_t;
++typedef unsigned long long int u_quad_t;
++#endif
++typedef u_quad_t fsid_t;
+ # define __u_char_defined
+ #endif
+-#ifndef __daddr_t_defined
+-typedef __daddr_t daddr_t;
+-typedef __caddr_t caddr_t;
++#if !defined(__daddr_t_defined) && defined(linux)
++typedef long int daddr_t;
++typedef char *caddr_t;
+ # define __daddr_t_defined
+ #endif
+
+--- a/libc/sunrpc/rpc_main.c
++++ b/libc/sunrpc/rpc_main.c
+@@ -958,9 +958,10 @@ mkfile_output (struct commandline *cmd)
+ abort ();
+ temp = rindex (cmd->infile, '.');
+ cp = stpcpy (mkfilename, "Makefile.");
+- if (temp != NULL)
+- *((char *) stpncpy (cp, cmd->infile, temp - cmd->infile)) = '\0';
+- else
++ if (temp != NULL) {
++ strncpy(cp, cmd->infile, temp - cmd->infile);
++ cp[temp - cmd->infile - 1] = 0;
++ } else
+ stpcpy (cp, cmd->infile);
+
+ }
diff --git a/toolchain/glibc/patches/2.19/200-add-dl-search-paths.patch b/toolchain/glibc/patches/2.19/200-add-dl-search-paths.patch
new file mode 100644
index 0000000000..fa192ca1cd
--- /dev/null
+++ b/toolchain/glibc/patches/2.19/200-add-dl-search-paths.patch
@@ -0,0 +1,14 @@
+add /usr/lib to default search path for the dynamic linker
+
+--- a/libc/Makeconfig
++++ b/libc/Makeconfig
+@@ -501,6 +501,9 @@ else
+ default-rpath = $(libdir)
+ endif
+
++# Add /usr/lib to default search path for the dynamic linker
++user-defined-trusted-dirs := /usr/lib
++
+ ifndef link-extra-libs
+ link-extra-libs = $(LDLIBS-$(@F))
+ link-extra-libs-static = $(link-extra-libs)
diff --git a/toolchain/glibc/patches/2.19/300-require-autoconf-2.69.patch b/toolchain/glibc/patches/2.19/300-require-autoconf-2.69.patch
new file mode 100644
index 0000000000..623885ca8f
--- /dev/null
+++ b/toolchain/glibc/patches/2.19/300-require-autoconf-2.69.patch
@@ -0,0 +1,13 @@
+Index: eglibc-2.19-r25243/libc/aclocal.m4
+===================================================================
+--- eglibc-2.19-r25243.orig/libc/aclocal.m4 2013-11-06 15:03:08.000000000 -0800
++++ eglibc-2.19-r25243/libc/aclocal.m4 2014-11-22 15:43:05.343256863 -0800
+@@ -1,7 +1,7 @@
+ dnl We require that everyone use exactly the same Autoconf version so that
+ dnl the internal functions defined and used by the main configure script
+ dnl match those expected by the fragments.
+-m4_define([GLIBC_AUTOCONF_VERSION], [2.68])
++m4_define([GLIBC_AUTOCONF_VERSION], [2.69])
+ m4_if(m4_defn([AC_AUTOCONF_VERSION]), GLIBC_AUTOCONF_VERSION, [],
+ [m4_fatal(m4_flatten(
+ Exactly version GLIBC_AUTOCONF_VERSION of Autoconf is required but you have
diff --git a/toolchain/glibc/patches/2.21/100-fix_cross_rpcgen.patch b/toolchain/glibc/patches/2.21/100-fix_cross_rpcgen.patch
new file mode 100644
index 0000000000..6a5e537b77
--- /dev/null
+++ b/toolchain/glibc/patches/2.21/100-fix_cross_rpcgen.patch
@@ -0,0 +1,52 @@
+--- a/sunrpc/rpc/types.h
++++ b/sunrpc/rpc/types.h
+@@ -75,18 +75,23 @@ typedef unsigned long rpcport_t;
+ #endif
+
+ #ifndef __u_char_defined
+-typedef __u_char u_char;
+-typedef __u_short u_short;
+-typedef __u_int u_int;
+-typedef __u_long u_long;
+-typedef __quad_t quad_t;
+-typedef __u_quad_t u_quad_t;
+-typedef __fsid_t fsid_t;
++typedef unsigned char u_char;
++typedef unsigned short u_short;
++typedef unsigned int u_int;
++typedef unsigned long u_long;
++#if __WORDSIZE == 64
++typedef long int quad_t;
++typedef unsigned long int u_quad_t;
++#elif defined __GLIBC_HAVE_LONG_LONG
++typedef long long int quad_t;
++typedef unsigned long long int u_quad_t;
++#endif
++typedef u_quad_t fsid_t;
+ # define __u_char_defined
+ #endif
+-#ifndef __daddr_t_defined
+-typedef __daddr_t daddr_t;
+-typedef __caddr_t caddr_t;
++#if !defined(__daddr_t_defined) && defined(linux)
++typedef long int daddr_t;
++typedef char *caddr_t;
+ # define __daddr_t_defined
+ #endif
+
+--- a/sunrpc/rpc_main.c
++++ b/sunrpc/rpc_main.c
+@@ -958,9 +958,10 @@ mkfile_output (struct commandline *cmd)
+ abort ();
+ temp = rindex (cmd->infile, '.');
+ cp = stpcpy (mkfilename, "Makefile.");
+- if (temp != NULL)
+- *((char *) stpncpy (cp, cmd->infile, temp - cmd->infile)) = '\0';
+- else
++ if (temp != NULL) {
++ strncpy(cp, cmd->infile, temp - cmd->infile);
++ cp[temp - cmd->infile - 1] = 0;
++ } else
+ stpcpy (cp, cmd->infile);
+
+ }
diff --git a/toolchain/glibc/patches/2.21/200-add-dl-search-paths.patch b/toolchain/glibc/patches/2.21/200-add-dl-search-paths.patch
new file mode 100644
index 0000000000..a6200f783b
--- /dev/null
+++ b/toolchain/glibc/patches/2.21/200-add-dl-search-paths.patch
@@ -0,0 +1,14 @@
+add /usr/lib to default search path for the dynamic linker
+
+--- a/Makeconfig
++++ b/Makeconfig
+@@ -501,6 +501,9 @@ else
+ default-rpath = $(libdir)
+ endif
+
++# Add /usr/lib to default search path for the dynamic linker
++user-defined-trusted-dirs := /usr/lib
++
+ ifndef link-extra-libs
+ link-extra-libs = $(LDLIBS-$(@F))
+ link-extra-libs-static = $(link-extra-libs)