Remove projects/sample.
[oota-llvm.git] / projects / sample / autoconf / m4 / link_options.m4
diff --git a/projects/sample/autoconf/m4/link_options.m4 b/projects/sample/autoconf/m4/link_options.m4
deleted file mode 100644 (file)
index b58d617..0000000
+++ /dev/null
@@ -1,109 +0,0 @@
-#
-# Get the linker version string.
-#
-# This macro is specific to LLVM.
-#
-AC_DEFUN([AC_LINK_GET_VERSION],
-  [AC_CACHE_CHECK([for linker version],[llvm_cv_link_version],
-  [
-   version_string="$(ld -v 2>&1 | head -1)"
-
-   # Check for ld64.
-   if (echo "$version_string" | grep -q "ld64"); then
-     llvm_cv_link_version=$(echo "$version_string" | sed -e "s#.*ld64-\([^ ]*\)\( (.*)\)\{0,1\}#\1#")
-   else
-     llvm_cv_link_version=$(echo "$version_string" | sed -e "s#[^0-9]*\([0-9.]*\).*#\1#")
-   fi
-  ])
-  AC_DEFINE_UNQUOTED([HOST_LINK_VERSION],"$llvm_cv_link_version",
-                     [Linker version detected at compile time.])
-])
-
-#
-# Determine if the system can handle the -R option being passed to the linker.
-#
-# This macro is specific to LLVM.
-#
-AC_DEFUN([AC_LINK_USE_R],
-[AC_CACHE_CHECK([for compiler -Wl,-R<path> option],[llvm_cv_link_use_r],
-[ AC_LANG_PUSH([C])
-  oldcflags="$CFLAGS"
-  CFLAGS="$CFLAGS -Wl,-R."
-  AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],[[]])],
-    [llvm_cv_link_use_r=yes],[llvm_cv_link_use_r=no])
-  CFLAGS="$oldcflags"
-  AC_LANG_POP([C])
-])
-if test "$llvm_cv_link_use_r" = yes ; then
-  AC_DEFINE([HAVE_LINK_R],[1],[Define if you can use -Wl,-R. to pass -R. to the linker, in order to add the current directory to the dynamic linker search path.])
-  fi
-])
-
-#
-# Determine if the system can handle the -rdynamic option being passed
-# to the compiler.
-#
-# This macro is specific to LLVM.
-#
-AC_DEFUN([AC_LINK_EXPORT_DYNAMIC],
-[AC_CACHE_CHECK([for compiler -rdynamic option],
-                [llvm_cv_link_use_export_dynamic],
-[ AC_LANG_PUSH([C])
-  oldcflags="$CFLAGS"
-  CFLAGS="$CFLAGS -rdynamic"
-  AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],[[]])],
-    [llvm_cv_link_use_export_dynamic=yes],[llvm_cv_link_use_export_dynamic=no])
-  CFLAGS="$oldcflags"
-  AC_LANG_POP([C])
-])
-if test "$llvm_cv_link_use_export_dynamic" = yes ; then
-  AC_DEFINE([HAVE_LINK_EXPORT_DYNAMIC],[1],[Define if you can use -rdynamic.])
-  fi
-])
-
-#
-# Determine if the system can handle the --version-script option being
-# passed to the linker.
-#
-# This macro is specific to LLVM.
-#
-AC_DEFUN([AC_LINK_VERSION_SCRIPT],
-[AC_CACHE_CHECK([for compiler -Wl,--version-script option],
-                [llvm_cv_link_use_version_script],
-[ AC_LANG_PUSH([C])
-  oldcflags="$CFLAGS"
-
-  # The following code is from the autoconf manual,
-  # "11.13: Limitations of Usual Tools".
-  # Create a temporary directory $tmp in $TMPDIR (default /tmp).
-  # Use mktemp if possible; otherwise fall back on mkdir,
-  # with $RANDOM to make collisions less likely.
-  : ${TMPDIR=/tmp}
-  {
-    tmp=`
-      (umask 077 && mktemp -d "$TMPDIR/fooXXXXXX") 2>/dev/null
-    ` &&
-    test -n "$tmp" && test -d "$tmp"
-  } || {
-    tmp=$TMPDIR/foo$$-$RANDOM
-    (umask 077 && mkdir "$tmp")
-  } || exit $?
-
-  echo "{" > "$tmp/export.map"
-  echo "  global: main;" >> "$tmp/export.map"
-  echo "  local: *;" >> "$tmp/export.map"
-  echo "};" >> "$tmp/export.map"
-
-  CFLAGS="$CFLAGS -Wl,--version-script=$tmp/export.map"
-  AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],[[]])],
-    [llvm_cv_link_use_version_script=yes],[llvm_cv_link_use_version_script=no])
-  rm "$tmp/export.map"
-  rmdir "$tmp"
-  CFLAGS="$oldcflags"
-  AC_LANG_POP([C])
-])
-if test "$llvm_cv_link_use_version_script" = yes ; then
-  AC_SUBST(HAVE_LINK_VERSION_SCRIPT,1)
-  fi
-])
-