Use a single configure.ac. This speed ups compilation and

reduces duplication of code (multiple gl/ libraries etc.).
This saves about 2mb in distributed size (compressed).

1 files changed, 0 insertions, 79 deletions

diff --git a/lib/gl/m4/size_max.m4 b/lib/gl/m4/size_max.m4
deleted file mode 100644
index f3b1a9dfb2..0000000000
--- a/lib/gl/m4/size_max.m4
+++ /dev/null
@@ -1,79 +0,0 @@
-# size_max.m4 serial 10
-dnl Copyright (C) 2003, 2005-2006, 2008-2010 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 From Bruno Haible.
-
-AC_DEFUN([gl_SIZE_MAX],
-[
-  AC_CHECK_HEADERS([stdint.h])
-  dnl First test whether the system already has SIZE_MAX.
-  AC_CACHE_CHECK([for SIZE_MAX], [gl_cv_size_max], [
-    gl_cv_size_max=
-    AC_EGREP_CPP([Found it], [
-#include <limits.h>
-#if HAVE_STDINT_H
-#include <stdint.h>
-#endif
-#ifdef SIZE_MAX
-Found it
-#endif
-], [gl_cv_size_max=yes])
-    if test -z "$gl_cv_size_max"; then
-      dnl Define it ourselves. Here we assume that the type 'size_t' is not wider
-      dnl than the type 'unsigned long'. Try hard to find a definition that can
-      dnl be used in a preprocessor #if, i.e. doesn't contain a cast.
-      AC_COMPUTE_INT([size_t_bits_minus_1], [sizeof (size_t) * CHAR_BIT - 1],
-        [#include <stddef.h>
-#include <limits.h>], [size_t_bits_minus_1=])
-      AC_COMPUTE_INT([fits_in_uint], [sizeof (size_t) <= sizeof (unsigned int)],
-        [#include <stddef.h>], [fits_in_uint=])
-      if test -n "$size_t_bits_minus_1" && test -n "$fits_in_uint"; then
-        if test $fits_in_uint = 1; then
-          dnl Even though SIZE_MAX fits in an unsigned int, it must be of type
-          dnl 'unsigned long' if the type 'size_t' is the same as 'unsigned long'.
-          AC_COMPILE_IFELSE(
-            [AC_LANG_PROGRAM(
-               [[#include <stddef.h>
-                 extern size_t foo;
-                 extern unsigned long foo;
-               ]],
-               [[]])],
-            [fits_in_uint=0])
-        fi
-        dnl We cannot use 'expr' to simplify this expression, because 'expr'
-        dnl works only with 'long' integers in the host environment, while we
-        dnl might be cross-compiling from a 32-bit platform to a 64-bit platform.
-        if test $fits_in_uint = 1; then
-          gl_cv_size_max="(((1U << $size_t_bits_minus_1) - 1) * 2 + 1)"
-        else
-          gl_cv_size_max="(((1UL << $size_t_bits_minus_1) - 1) * 2 + 1)"
-        fi
-      else
-        dnl Shouldn't happen, but who knows...
-        gl_cv_size_max='((size_t)~(size_t)0)'
-      fi
-    fi
-  ])
-  if test "$gl_cv_size_max" != yes; then
-    AC_DEFINE_UNQUOTED([SIZE_MAX], [$gl_cv_size_max],
-      [Define as the maximum value of type 'size_t', if the system doesn't define it.])
-  fi
-  dnl Don't redefine SIZE_MAX in config.h if config.h is re-included after
-  dnl <stdint.h>. Remember that the #undef in AH_VERBATIM gets replaced with
-  dnl #define by AC_DEFINE_UNQUOTED.
-  AH_VERBATIM([SIZE_MAX],
-[/* Define as the maximum value of type 'size_t', if the system doesn't define
-   it. */
-#ifndef SIZE_MAX
-# undef SIZE_MAX
-#endif])
-])
-
-dnl Autoconf >= 2.61 has AC_COMPUTE_INT built-in.
-dnl Remove this when we can assume autoconf >= 2.61.
-m4_ifdef([AC_COMPUTE_INT], [], [
-  AC_DEFUN([AC_COMPUTE_INT], [_AC_COMPUTE_INT([$2],[$1],[$3],[$4])])
-])