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source: kBuild/vendor/grep/2.12/m4/getpagesize.m4@ 2595

Last change on this file since 2595 was 2595, checked in by bird, 12 years ago

gnu grep version 2.12 (grep-2.12.tar.xz, md5sum=8d2f0346d08b13c18afb81f0e8aa1e2f)

File size: 978 bytes
Line 
1# getpagesize.m4 serial 9
2dnl Copyright (C) 2002, 2004-2005, 2007, 2009-2012 Free Software Foundation,
3dnl Inc.
4dnl This file is free software; the Free Software Foundation
5dnl gives unlimited permission to copy and/or distribute it,
6dnl with or without modifications, as long as this notice is preserved.
7
8AC_DEFUN([gl_FUNC_GETPAGESIZE],
9[
10 AC_REQUIRE([gl_UNISTD_H_DEFAULTS])
11 AC_REQUIRE([AC_CANONICAL_HOST])
12 AC_CHECK_FUNCS([getpagesize])
13 if test $ac_cv_func_getpagesize = no; then
14 HAVE_GETPAGESIZE=0
15 AC_CHECK_HEADERS([OS.h])
16 if test $ac_cv_header_OS_h = yes; then
17 HAVE_OS_H=1
18 fi
19 AC_CHECK_HEADERS([sys/param.h])
20 if test $ac_cv_header_sys_param_h = yes; then
21 HAVE_SYS_PARAM_H=1
22 fi
23 fi
24 case "$host_os" in
25 mingw*)
26 REPLACE_GETPAGESIZE=1
27 ;;
28 esac
29 dnl Also check whether it's declared.
30 dnl mingw has getpagesize() in libgcc.a but doesn't declare it.
31 AC_CHECK_DECL([getpagesize], , [HAVE_DECL_GETPAGESIZE=0])
32])
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