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Bug 1187101 - Add -Wl,-Bsymbolic to LDFLAGS for ASan builds. r=mshal

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This commit is contained in:
Mike Hommey 2015-07-24 17:08:01 +09:00
parent 4453795dc9
commit 4d4ba3203f
1 changed files with 14 additions and 0 deletions
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14
build/autoconf/compiler-opts.m4
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@ -358,6 +358,20 @@ fi
AC_SUBST(MOZ_PROGRAM_LDFLAGS)
dnl ASan assumes no symbols are being interposed, and when that happens,
dnl it's not happy with it. Unconveniently, since Firefox is exporting
dnl libffi symbols and Gtk+3 pulls system libffi via libwayland-client,
dnl system libffi interposes libffi symbols that ASan assumes are in
dnl libxul, so it barfs about buffer overflows.
dnl Using -Wl,-Bsymbolic ensures no exported symbol can be interposed.
if test -n "$GCC_USE_GNU_LD"; then
case "$LDFLAGS" in
*-fsanitize=address*)
LDFLAGS="$LDFLAGS -Wl,-Bsymbolic"
;;
esac
fi
])
dnl GCC and clang will fail if given an unknown warning option like -Wfoobar.