package/binutils: ARC: Re-add poison system directories patch

diff --git a/package/binutils/arc-2023.09-release/0001-poison-system-directories.patch b/package/binutils/arc-2023.09-release/0001-poison-system-directories.patch
new file mode 100644
index 0000000000..4b927b630e
--- /dev/null
+++ b/package/binutils/arc-2023.09-release/0001-poison-system-directories.patch
@@ -0,0 +1,309 @@ 
+From a6d90a842e349545ceb27f022317618dd99378ce Mon Sep 17 00:00:00 2001
+From: Romain Naour <romain.naour@gmail.com>
+Date: Fri, 25 Dec 2015 11:45:38 +0100
+Subject: [PATCH] poison-system-directories
+
+Patch adapted to binutils 2.23.2 and extended to use
+BR_COMPILER_PARANOID_UNSAFE_PATH by Thomas Petazzoni.
+
+[Waldemar: rebase on top of 2.39]
+Signed-off-by: Waldemar Brodkorb <wbx@openadk.org>
+[Romain: rebase on top of 2.33.1]
+Signed-off-by: Romain Naour <romain.naour@gmail.com>
+[Gustavo: adapt to binutils 2.25]
+Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
+Signed-off-by: Gustavo Zacarias <gustavo@zacarias.com.ar>
+
+Upstream-Status: Inappropriate [distribution: codesourcery]
+Upstream: N/A [Buildroot specific]
+
+Patch originally created by Mark Hatle, forward-ported to
+binutils 2.21 by Scott Garman.
+
+purpose:  warn for uses of system directories when cross linking
+
+Code Merged from Sourcery G++ binutils 2.19 - 4.4-277
+
+2008-07-02  Joseph Myers  <joseph@codesourcery.com>
+
+    ld/
+    * ld.h (args_type): Add error_poison_system_directories.
+    * ld.texinfo (--error-poison-system-directories): Document.
+    * ldfile.c (ldfile_add_library_path): Check
+    command_line.error_poison_system_directories.
+    * ldmain.c (main): Initialize
+    command_line.error_poison_system_directories.
+    * lexsup.c (enum option_values): Add
+    OPTION_ERROR_POISON_SYSTEM_DIRECTORIES.
+    (ld_options): Add --error-poison-system-directories.
+    (parse_args): Handle new option.
+
+2007-06-13  Joseph Myers  <joseph@codesourcery.com>
+
+    ld/
+    * config.in: Regenerate.
+    * ld.h (args_type): Add poison_system_directories.
+    * ld.texinfo (--no-poison-system-directories): Document.
+    * ldfile.c (ldfile_add_library_path): Check
+    command_line.poison_system_directories.
+    * ldmain.c (main): Initialize
+    command_line.poison_system_directories.
+    * lexsup.c (enum option_values): Add
+    OPTION_NO_POISON_SYSTEM_DIRECTORIES.
+    (ld_options): Add --no-poison-system-directories.
+    (parse_args): Handle new option.
+
+2007-04-20  Joseph Myers  <joseph@codesourcery.com>
+
+    Merge from Sourcery G++ binutils 2.17:
+
+    2007-03-20  Joseph Myers  <joseph@codesourcery.com>
+    Based on patch by Mark Hatle <mark.hatle@windriver.com>.
+    ld/
+    * configure.ac (--enable-poison-system-directories): New option.
+    * configure, config.in: Regenerate.
+    * ldfile.c (ldfile_add_library_path): If
+    ENABLE_POISON_SYSTEM_DIRECTORIES defined, warn for use of /lib,
+    /usr/lib, /usr/local/lib or /usr/X11R6/lib.
+
+Signed-off-by: Mark Hatle <mark.hatle@windriver.com>
+Signed-off-by: Scott Garman <scott.a.garman@intel.com>
+---
+ ld/config.in    |  3 +++
+ ld/configure    | 14 ++++++++++++++
+ ld/configure.ac | 10 ++++++++++
+ ld/ld.h         |  8 ++++++++
+ ld/ld.texi      | 12 ++++++++++++
+ ld/ldfile.c     | 17 +++++++++++++++++
+ ld/ldlex.h      |  2 ++
+ ld/ldmain.c     |  2 ++
+ ld/lexsup.c     | 21 +++++++++++++++++++++
+ 9 files changed, 89 insertions(+)
+
+diff --git a/ld/config.in b/ld/config.in
+index ad0dc6a106c..d21edaddce7 100644
+--- a/ld/config.in
++++ b/ld/config.in
+@@ -58,6 +58,9 @@
+    language is requested. */
+ #undef ENABLE_NLS
+ 
++/* Define to warn for use of native system library directories */
++#undef ENABLE_POISON_SYSTEM_DIRECTORIES
++
+ /* Additional extension a shared object might have. */
+ #undef EXTRA_SHLIB_EXTENSION
+ 
+diff --git a/ld/configure b/ld/configure
+index 43b44be1dc6..28f054ea3f8 100755
+--- a/ld/configure
++++ b/ld/configure
+@@ -839,6 +839,7 @@ with_lib_path
+ enable_targets
+ enable_64_bit_bfd
+ with_sysroot
++enable_poison_system_directories
+ enable_gold
+ enable_got
+ enable_compressed_debug_sections
+@@ -1521,6 +1522,8 @@ Optional Features:
+   --enable-checking       enable run-time checks
+   --enable-targets        alternative target configurations
+   --enable-64-bit-bfd     64-bit support (on hosts with narrower word sizes)
++  --enable-poison-system-directories
++                          warn for use of native system library directories
+   --enable-gold[=ARG]     build gold [ARG={default,yes,no}]
+   --enable-got=<type>     GOT handling scheme (target, single, negative,
+                           multigot)
+@@ -15504,7 +15507,18 @@ else
+ fi
+ 
+ 
++# Check whether --enable-poison-system-directories was given.
++if test "${enable_poison_system_directories+set}" = set; then :
++  enableval=$enable_poison_system_directories;
++else
++  enable_poison_system_directories=no
++fi
++
++if test "x${enable_poison_system_directories}" = "xyes"; then
+ 
++$as_echo "#define ENABLE_POISON_SYSTEM_DIRECTORIES 1" >>confdefs.h
++
++fi
+ 
+ # Check whether --enable-got was given.
+ if test "${enable_got+set}" = set; then :
+diff --git a/ld/configure.ac b/ld/configure.ac
+index 77edac3258c..a74dac63038 100644
+--- a/ld/configure.ac
++++ b/ld/configure.ac
+@@ -103,6 +103,16 @@ AC_SUBST(use_sysroot)
+ AC_SUBST(TARGET_SYSTEM_ROOT)
+ AC_SUBST(TARGET_SYSTEM_ROOT_DEFINE)
+ 
++AC_ARG_ENABLE([poison-system-directories],
++         AS_HELP_STRING([--enable-poison-system-directories],
++                [warn for use of native system library directories]),,
++         [enable_poison_system_directories=no])
++if test "x${enable_poison_system_directories}" = "xyes"; then
++  AC_DEFINE([ENABLE_POISON_SYSTEM_DIRECTORIES],
++       [1],
++       [Define to warn for use of native system library directories])
++fi
++
+ dnl Use --enable-gold to decide if this linker should be the default.
+ dnl "install_as_default" is set to false if gold is the default linker.
+ dnl "installed_linker" is the installed BFD linker name.
+diff --git a/ld/ld.h b/ld/ld.h
+index 05649ff61b8..1818c227473 100644
+--- a/ld/ld.h
++++ b/ld/ld.h
+@@ -163,6 +163,14 @@ typedef struct
+      in the linker script.  */
+   bool force_group_allocation;
+ 
++  /* If TRUE (the default) warn for uses of system directories when
++     cross linking.  */
++  bool poison_system_directories;
++
++  /* If TRUE (default FALSE) give an error for uses of system
++     directories when cross linking instead of a warning.  */
++  bool error_poison_system_directories;
++
+   /* Big or little endian as set on command line.  */
+   enum endian_enum endian;
+ 
+diff --git a/ld/ld.texi b/ld/ld.texi
+index db3a9f09b45..9dacc934f80 100644
+--- a/ld/ld.texi
++++ b/ld/ld.texi
+@@ -2949,6 +2949,18 @@ string identifying the original linked file does not change.
+ Passing @code{none} for @var{style} disables the setting from any
+ @code{--build-id} options earlier on the command line.
+ 
++@kindex --no-poison-system-directories
++@item --no-poison-system-directories
++Do not warn for @option{-L} options using system directories such as
++@file{/usr/lib} when cross linking.  This option is intended for use
++in chroot environments when such directories contain the correct
++libraries for the target system rather than the host.
++
++@kindex --error-poison-system-directories
++@item --error-poison-system-directories
++Give an error instead of a warning for @option{-L} options using
++system directories when cross linking.
++
+ @kindex --package-metadata=@var{JSON}
+ @item --package-metadata=@var{JSON}
+ Request the creation of a @code{.note.package} ELF note section.  The
+diff --git a/ld/ldfile.c b/ld/ldfile.c
+index b8fd4e5d8e0..1f1d8e23bc9 100644
+--- a/ld/ldfile.c
++++ b/ld/ldfile.c
+@@ -117,6 +117,23 @@ ldfile_add_library_path (const char *name, bool cmdline)
+     new_dirs->name = concat (ld_sysroot, name + strlen ("$SYSROOT"), (const char *) NULL);
+   else
+     new_dirs->name = xstrdup (name);
++
++#ifdef ENABLE_POISON_SYSTEM_DIRECTORIES
++  if (command_line.poison_system_directories
++  && ((!strncmp (name, "/lib", 4))
++      || (!strncmp (name, "/usr/lib", 8))
++      || (!strncmp (name, "/usr/local/lib", 14))
++      || (!strncmp (name, "/usr/X11R6/lib", 14))))
++   {
++     if (command_line.error_poison_system_directories)
++       einfo (_("%X%P: error: library search path \"%s\" is unsafe for "
++            "cross-compilation\n"), name);
++     else
++       einfo (_("%P: warning: library search path \"%s\" is unsafe for "
++            "cross-compilation\n"), name);
++   }
++#endif
++
+ }
+ 
+ /* Try to open a BFD for a lang_input_statement.  */
+diff --git a/ld/ldlex.h b/ld/ldlex.h
+index 0538f0a06a1..d1de3aec23d 100644
+--- a/ld/ldlex.h
++++ b/ld/ldlex.h
+@@ -166,6 +166,8 @@ enum option_values
+   OPTION_CTF_VARIABLES,
+   OPTION_NO_CTF_VARIABLES,
+   OPTION_CTF_SHARE_TYPES,
++  OPTION_NO_POISON_SYSTEM_DIRECTORIES,
++  OPTION_ERROR_POISON_SYSTEM_DIRECTORIES,
+   OPTION_WARN_EXECSTACK,
+   OPTION_NO_WARN_EXECSTACK,
+   OPTION_WARN_RWX_SEGMENTS,
+diff --git a/ld/ldmain.c b/ld/ldmain.c
+index 9290a189b0d..e2e3074e872 100644
+--- a/ld/ldmain.c
++++ b/ld/ldmain.c
+@@ -321,6 +321,8 @@ main (int argc, char **argv)
+   command_line.warn_mismatch = true;
+   command_line.warn_search_mismatch = true;
+   command_line.check_section_addresses = -1;
++  command_line.poison_system_directories = true;
++  command_line.error_poison_system_directories = false;
+ 
+   /* We initialize DEMANGLING based on the environment variable
+      COLLECT_NO_DEMANGLE.  The gcc collect2 program will demangle the
+diff --git a/ld/lexsup.c b/ld/lexsup.c
+index c5960385572..da0a7829914 100644
+--- a/ld/lexsup.c
++++ b/ld/lexsup.c
+@@ -613,6 +613,14 @@ static const struct ld_option ld_options[] =
+ 		   "                                <method> is: share-unconflicted (default),\n"
+ 		   "                                             share-duplicated"),
+     TWO_DASHES },
++  { {"no-poison-system-directories", no_argument, NULL,
++    OPTION_NO_POISON_SYSTEM_DIRECTORIES},
++    '\0', NULL, N_("Do not warn for -L options using system directories"),
++    TWO_DASHES },
++  { {"error-poison-system-directories", no_argument, NULL,
++    OPTION_ERROR_POISON_SYSTEM_DIRECTORIES},
++    '\0', NULL, N_("Give an error for -L options using system directories"),
++    TWO_DASHES },
+ };
+ 
+ #define OPTION_COUNT ARRAY_SIZE (ld_options)
+@@ -625,6 +633,7 @@ parse_args (unsigned argc, char **argv)
+   int ingroup = 0;
+   char *default_dirlist = NULL;
+   char *shortopts;
++  char *BR_paranoid_env;
+   struct option *longopts;
+   struct option *really_longopts;
+   int last_optind;
+@@ -1692,6 +1701,14 @@ parse_args (unsigned argc, char **argv)
+ 	  }
+ 	  break;
+ 
++	case OPTION_NO_POISON_SYSTEM_DIRECTORIES:
++	  command_line.poison_system_directories = false;
++	  break;
++
++	case OPTION_ERROR_POISON_SYSTEM_DIRECTORIES:
++	  command_line.error_poison_system_directories = true;
++	  break;
++
+ 	case OPTION_PUSH_STATE:
+ 	  input_flags.pushed = xmemdup (&input_flags,
+ 					sizeof (input_flags),
+@@ -1837,6 +1854,10 @@ parse_args (unsigned argc, char **argv)
+       command_line.soname = NULL;
+     }
+ 
++  BR_paranoid_env = getenv("BR_COMPILER_PARANOID_UNSAFE_PATH");
++  if (BR_paranoid_env && strlen(BR_paranoid_env) > 0)
++    command_line.error_poison_system_directories = true;
++
+   while (ingroup)
+     {
+       einfo (_("%P: missing --end-group; added as last command line option\n"));
+-- 
+2.40.1
+