Remove dead or useless header checks from cmake and autoconf

[oota-llvm.git] / autoconf / m4 / ltdl.m4

diff --git a/autoconf/m4/ltdl.m4 b/autoconf/m4/ltdl.m4
index 0a36dbe7c5822d27c3abe81c43813c5e5ca1bc29..0226f6399db7f89de5073a8a178223ffa8ca8fa8 100644 (file)
--- a/autoconf/m4/ltdl.m4
+++ b/autoconf/m4/ltdl.m4
@@ -77,15 +77,9 @@ AC_REQUIRE([AC_LTDL_DLSYM_USCORE])
 AC_REQUIRE([AC_LTDL_SYS_DLOPEN_DEPLIBS])
 AC_REQUIRE([AC_LTDL_FUNC_ARGZ])
 
-AC_CHECK_HEADERS([assert.h ctype.h errno.h malloc.h memory.h stdlib.h \
-                 stdio.h unistd.h])
-AC_CHECK_HEADERS([dl.h sys/dl.h dld.h mach-o/dyld.h])
-AC_CHECK_HEADERS([string.h strings.h], [break])
-
-AC_CHECK_FUNCS([strchr index], [break])
-AC_CHECK_FUNCS([strrchr rindex], [break])
-AC_CHECK_FUNCS([memcpy bcopy], [break])
-AC_CHECK_FUNCS([memmove strcmp])
+AC_CHECK_HEADERS([errno.h malloc.h memory.h unistd.h])
+AC_CHECK_HEADERS([mach-o/dyld.h])
+
 AC_CHECK_FUNCS([closedir opendir readdir])
 ])# AC_LIB_LTDL
 
@@ -385,19 +379,3 @@ if test x"$libltdl_cv_need_uscore" = xyes; then
     [Define if dlsym() requires a leading underscore in symbol names.])
 fi
 ])# AC_LTDL_DLSYM_USCORE
-
-# AC_LTDL_FUNC_ARGZ
-# -----------------
-AC_DEFUN([AC_LTDL_FUNC_ARGZ],
-[AC_CHECK_HEADERS([argz.h])
-
-AC_CHECK_TYPES([error_t],
-  [],
-  [AC_DEFINE([error_t], [int],
-    [Define to a type to use for `error_t' if it is not otherwise available.])],
-  [#if HAVE_ARGZ_H
-#  include <argz.h>
-#endif])
-
-AC_CHECK_FUNCS([argz_append argz_create_sep argz_insert argz_next argz_stringify])
-])# AC_LTDL_FUNC_ARGZ