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[wget] / m4 / strcasestr.m4

diff --git a/m4/strcasestr.m4 b/m4/strcasestr.m4
deleted file mode 100644 (file)
index 62991b1..0000000
--- a/m4/strcasestr.m4
+++ /dev/null
@@ -1,95 +0,0 @@
-# strcasestr.m4 serial 13
-dnl Copyright (C) 2005, 2007, 2008, 2009 Free Software Foundation, Inc.
-dnl This file is free software; the Free Software Foundation
-dnl gives unlimited permission to copy and/or distribute it,
-dnl with or without modifications, as long as this notice is preserved.
-
-dnl Check that strcasestr is present and works.
-AC_DEFUN([gl_FUNC_STRCASESTR_SIMPLE],
-[
-  AC_REQUIRE([gl_HEADER_STRING_H_DEFAULTS])
-
-  dnl Persuade glibc <string.h> to declare strcasestr().
-  AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS])
-
-  AC_REQUIRE([gl_FUNC_MEMCHR])
-  AC_CHECK_FUNCS([strcasestr])
-  if test $ac_cv_func_strcasestr = no; then
-    HAVE_STRCASESTR=0
-  else
-    if test "$gl_cv_func_memchr_works" != yes; then
-      REPLACE_STRCASESTR=1
-    fi
-  fi
-  if test $HAVE_STRCASESTR = 0 || test $REPLACE_STRCASESTR = 1; then
-    AC_LIBOBJ([strcasestr])
-    gl_PREREQ_STRCASESTR
-  fi
-]) # gl_FUNC_STRCASESTR_SIMPLE
-
-dnl Additionally, check that strcasestr is efficient.
-AC_DEFUN([gl_FUNC_STRCASESTR],
-[
-  AC_REQUIRE([gl_FUNC_STRCASESTR_SIMPLE])
-  if test $HAVE_STRCASESTR = 1 && test $REPLACE_STRCASESTR = 0; then
-    AC_CACHE_CHECK([whether strcasestr works in linear time],
-      [gl_cv_func_strcasestr_linear],
-      [AC_RUN_IFELSE([AC_LANG_PROGRAM([[
-#include <signal.h> /* for signal */
-#include <string.h> /* for memmem */
-#include <stdlib.h> /* for malloc */
-#include <unistd.h> /* for alarm */
-]], [[size_t m = 1000000;
-    char *haystack = (char *) malloc (2 * m + 2);
-    char *needle = (char *) malloc (m + 2);
-    void *result = 0;
-    /* Failure to compile this test due to missing alarm is okay,
-       since all such platforms (mingw) also lack strcasestr.  */
-    signal (SIGALRM, SIG_DFL);
-    alarm (5);
-    /* Check for quadratic performance.  */
-    if (haystack && needle)
-      {
-       memset (haystack, 'A', 2 * m);
-       haystack[2 * m] = 'B';
-       haystack[2 * m + 1] = 0;
-       memset (needle, 'A', m);
-       needle[m] = 'B';
-       needle[m + 1] = 0;
-       result = strcasestr (haystack, needle);
-      }
-    return !result;]])],
-       [gl_cv_func_strcasestr_linear=yes], [gl_cv_func_strcasestr_linear=no],
-        [dnl Only glibc >= 2.9 and cygwin >= 1.7.0 are known to have a
-         dnl strcasestr that works in linear time.
-        AC_EGREP_CPP([Lucky user],
-          [
-#include <features.h>
-#ifdef __GNU_LIBRARY__
- #if (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 9) || (__GLIBC__ > 2)
-  Lucky user
- #endif
-#endif
-#ifdef __CYGWIN__
- #include <cygwin/version.h>
- #if CYGWIN_VERSION_DLL_MAJOR >= 1007
-  Lucky user
- #endif
-#endif
-          ],
-          [gl_cv_func_strcasestr_linear=yes],
-          [gl_cv_func_strcasestr_linear="guessing no"])
-       ])
-      ])
-    if test "$gl_cv_func_strcasestr_linear" != yes; then
-      REPLACE_STRCASESTR=1
-      AC_LIBOBJ([strcasestr])
-      gl_PREREQ_STRCASESTR
-    fi
-  fi
-]) # gl_FUNC_STRCASESTR
-
-# Prerequisites of lib/strcasestr.c.
-AC_DEFUN([gl_PREREQ_STRCASESTR], [
-  :
-])