tools/libtool: update to 2.4.2

Refresh patches.
Remove upstreamed: 001-fix-func_append.patch

Signed-off-by: Ivan Pavlov <AuthorReflex@gmail.com>

tools/libtool/patches/000-relocatable.patch

@@ -29,7 +29,7 @@
  
 --- a/libtoolize.in
 +++ b/libtoolize.in
-@@ -326,15 +326,22 @@ as_unset=as_fn_unset
+@@ -334,15 +334,22 @@ as_unset=as_fn_unset
  
  : ${CP="cp -f"}
  test "${ECHO+set}" = set || ECHO=${as_echo-'printf %s\n'}
@@ -56,7 +56,7 @@
  : ${SHELL="${CONFIG_SHELL-/bin/sh}"}
  : ${Xsed="$SED -e 1s/^X//"}
  
-@@ -2476,10 +2483,17 @@ func_check_macros ()
+@@ -2487,10 +2494,17 @@ func_check_macros ()
  
    # Locations for important files:
    prefix=@prefix@
@@ -80,7 +80,7 @@
    configure_ac=configure.in
 --- a/libtoolize.m4sh
 +++ b/libtoolize.m4sh
-@@ -1450,10 +1450,17 @@ func_check_macros ()
+@@ -1453,10 +1453,17 @@ func_check_macros ()
  
    # Locations for important files:
    prefix=@prefix@
@@ -104,7 +104,7 @@
    configure_ac=configure.in
 --- a/libltdl/m4/libtool.m4
 +++ b/libltdl/m4/libtool.m4
-@@ -875,9 +875,8 @@ dnl AC_DEFUN([AC_LIBTOOL_RC], [])
+@@ -907,9 +907,8 @@ dnl AC_DEFUN([AC_LIBTOOL_RC], [])
  # ----------------
  m4_defun([_LT_TAG_COMPILER],
  [AC_REQUIRE([AC_PROG_CC])dnl
@@ -115,7 +115,7 @@
  _LT_TAGDECL([CC], [compiler], [1], [A language specific compiler])dnl
  _LT_TAGDECL([with_gcc], [GCC], [0], [Is the compiler the GNU compiler?])dnl
  
-@@ -7509,9 +7508,9 @@ m4_defun([_LT_DECL_EGREP],
+@@ -7660,9 +7659,9 @@ m4_defun([_LT_DECL_EGREP],
  [AC_REQUIRE([AC_PROG_EGREP])dnl
  AC_REQUIRE([AC_PROG_FGREP])dnl
  test -z "$GREP" && GREP=grep
@@ -128,7 +128,7 @@
  dnl Non-bleeding-edge autoconf doesn't subst GREP, so do it here too
  AC_SUBST([GREP])
  ])
-@@ -7544,9 +7543,8 @@ AC_SUBST([DLLTOOL])
+@@ -7695,9 +7694,8 @@ AC_SUBST([DLLTOOL])
  # as few characters as possible.  Prefer GNU sed if found.
  m4_defun([_LT_DECL_SED],
  [AC_PROG_SED