diff options
Diffstat (limited to 'gnulib-m4/mmap-anon.m4')
| -rw-r--r-- | gnulib-m4/mmap-anon.m4 | 18 |
1 files changed, 11 insertions, 7 deletions
diff --git a/gnulib-m4/mmap-anon.m4 b/gnulib-m4/mmap-anon.m4 index 92a88d05..a6b7b9ac 100644 --- a/gnulib-m4/mmap-anon.m4 +++ b/gnulib-m4/mmap-anon.m4 @@ -1,5 +1,5 @@ -# mmap-anon.m4 serial 10 -dnl Copyright (C) 2005, 2007, 2009-2015 Free Software Foundation, Inc. +# mmap-anon.m4 serial 8 +dnl Copyright (C) 2005, 2007, 2009-2010 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. @@ -9,12 +9,16 @@ dnl with or without modifications, as long as this notice is preserved. # - On Linux, AIX, OSF/1, Solaris, Cygwin, Interix, Haiku, both MAP_ANONYMOUS # and MAP_ANON exist and have the same value. # - On HP-UX, only MAP_ANONYMOUS exists. -# - On Mac OS X, FreeBSD, NetBSD, OpenBSD, only MAP_ANON exists. +# - On MacOS X, FreeBSD, NetBSD, OpenBSD, only MAP_ANON exists. # - On IRIX, neither exists, and a file descriptor opened to /dev/zero must be # used. AC_DEFUN([gl_FUNC_MMAP_ANON], [ + dnl Work around a bug of AC_EGREP_CPP in autoconf-2.57. + AC_REQUIRE([AC_PROG_CPP]) + AC_REQUIRE([AC_PROG_EGREP]) + dnl Persuade glibc <sys/mman.h> to define MAP_ANONYMOUS. AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS]) @@ -27,18 +31,18 @@ AC_DEFUN([gl_FUNC_MMAP_ANON], gl_have_mmap_anonymous=no if test $gl_have_mmap = yes; then AC_MSG_CHECKING([for MAP_ANONYMOUS]) - AC_EGREP_CPP([I cannot identify this map], [ + AC_EGREP_CPP([I cant identify this map.], [ #include <sys/mman.h> #ifdef MAP_ANONYMOUS - I cannot identify this map + I cant identify this map. #endif ], [gl_have_mmap_anonymous=yes]) if test $gl_have_mmap_anonymous != yes; then - AC_EGREP_CPP([I cannot identify this map], [ + AC_EGREP_CPP([I cant identify this map.], [ #include <sys/mman.h> #ifdef MAP_ANON - I cannot identify this map + I cant identify this map. #endif ], [AC_DEFINE([MAP_ANONYMOUS], [MAP_ANON], |