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committed a8fd20b5e6bxxxxxxxxxxPatch adapted to binutils 2.23.2 and extended to useBR_COMPILER_PARANOID_UNSAFE_PATH by Thomas Petazzoni.[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]Patch originally created by Mark Hatle, forward-ported tobinutils 2.21 by Scott Garman.purpose: warn for uses of system directories when cross linkingCode Merged from Sourcery G++ binutils 2.19 - 4.4-2772008-07-02 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>diff -Nura a/ld/config.in b/ld/config.in--- a/ld/config.in 2014-10-14 04:32:04.000000000 -0300+++ b/ld/config.in 2014-12-24 08:07:28.997918918 -0300@@ -11,6 +11,9 @@ 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_EXTENSIONdiff -Nura a/ld/configure b/ld/configure--- a/ld/configure 2014-12-23 11:22:07.000000000 -0300+++ b/ld/configure 2014-12-24 08:07:29.002919088 -0300@@ -783,6 +783,7 @@ enable_targets enable_64_bit_bfd with_sysroot+enable_poison_system_directories enable_gold enable_got enable_werror@@ -1439,6 +1440,8 @@ --disable-largefile omit support for large files --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}]