m4/manywarnings.m4

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- # manywarnings.m4 serial 13
+# manywarnings.m4 serial 13
 dnl Copyright (C) 2008-2017 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
@@ -423,7 +39,7 @@ AC_DEFUN([gl_MANYWARN_ALL_GCC],
 [_AC_LANG_DISPATCH([$0], _AC_LANG, $@)])
 
 # Specialization for _AC_LANG = C.
-# Use of m4_defun rather than AC_DEFUN works around a bug in autoconf < 2.63b.
+# Use of m4_defun rather than AC_DEFUN works around a bug in autoconf < 2.63b.
 m4_defun([gl_MANYWARN_ALL_GCC(C)],
 [
   AC_LANG_PUSH([C])
@@ -490,9 +106,9 @@ m4_defun([gl_MANYWARN_ALL_GCC(C)],
   # To compare this list to your installed GCC's, run this Bash command:
   #
   # comm -3 \
-  #  <(sed -n 's/^  *\(-[^ ]*\) .*/\1/p' manywarnings.m4 | sort) \
-  #  <(gcc --help=warnings | sed -n 's/^  \(-[^ ]*\) .*/\1/p' | sort |
-  #      grep -v -x -F -f <(
+  #  <(sed -n 's/^  *\(-[^ ]*\) .*/\1/p' manywarnings.m4 | sort) \
+  #  <(gcc --help=warnings | sed -n 's/^  \(-[^ ]*\) .*/\1/p' | sort |
+  #      grep -v -x -F -f <(
   #         awk '/^[^#]/ {print $1}' ../build-aux/gcc-warning.spec))
 
   gl_manywarn_set=
@@ -657,12 +273,12 @@ m4_defun([gl_MANYWARN_ALL_GCC(C)],
   # a special case.
   AC_MSG_CHECKING([max safe object size])
   AC_COMPUTE_INT([gl_alloc_max],
-    [LONG_MAX < (PTRDIFF_MAX < (size_t) -1 ? PTRDIFF_MAX : (size_t) -1)
+    [LONG_MAX < (PTRDIFF_MAX < (size_t) -1 ? PTRDIFF_MAX : (size_t) -1)
      ? -1
-     : PTRDIFF_MAX < (size_t) -1 ? (long) PTRDIFF_MAX : (long) (size_t) -1],
-    [[#include <limits.h>
-      #include <stddef.h>
-      #include <stdint.h>
+     : PTRDIFF_MAX < (size_t) -1 ? (long) PTRDIFF_MAX : (long) (size_t) -1],
+    [[#include 
+      #include 
+      #include 
     ]],
     [gl_alloc_max=2147483647])
   case $gl_alloc_max in
@@ -682,7 +298,7 @@ m4_defun([gl_MANYWARN_ALL_GCC(C)],
 
   # These are needed for older GCC versions.
   if test -n "$GCC"; then
-    case `($CC --version) 2>/dev/null` in
+    case `($CC --version) 2>/dev/null` in
       'gcc (GCC) '[[0-3]].* | \
       'gcc (GCC) '4.[[0-7]].*)
         gl_manywarn_set="$gl_manywarn_set -fdiagnostics-show-option"
@@ -706,14 +322,8 @@ m4_defun([gl_MANYWARN_ALL_GCC(C)],
 ])
 
 # Specialization for _AC_LANG = C++.
-# Use of m4_defun rather than AC_DEFUN works around a bug in autoconf < 2.63b.
+# Use of m4_defun rather than AC_DEFUN works around a bug in autoconf < 2.63b.
 m4_defun([gl_MANYWARN_ALL_GCC(C++)],
 [
   gl_MANYWARN_ALL_GCC_CXX_IMPL([$1])
 ])
-