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-rw-r--r--projects/sample/autoconf/m4/link_options.m4109
1 files changed, 0 insertions, 109 deletions
diff --git a/projects/sample/autoconf/m4/link_options.m4 b/projects/sample/autoconf/m4/link_options.m4
deleted file mode 100644
index b58d61745f..0000000000
--- a/projects/sample/autoconf/m4/link_options.m4
+++ /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
-])
-