X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=m4%2Fgetpagesize.m4;h=313ad7fa26c4bc3f28179c06ce16095ca8d11ba3;hb=fa8d786628cd8a1dbd2194e7776bea07f97cca99;hp=12d688905843b4e282960b4a8e58f0a5b87f66d2;hpb=62a39c7d945eb4160c206242b85c624fb2fb21fd;p=gnulib.git

diff --git a/m4/getpagesize.m4 b/m4/getpagesize.m4
index 12d688905..313ad7fa2 100644
--- a/m4/getpagesize.m4
+++ b/m4/getpagesize.m4
@@ -1,15 +1,33 @@
-# getpagesize.m4 serial 4
-dnl Copyright (C) 2002, 2004, 2005 Free Software Foundation, Inc.
+# getpagesize.m4 serial 8
+dnl Copyright (C) 2002, 2004-2005, 2007, 2009-2010 Free Software Foundation,
+dnl 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.
 
-AC_DEFUN([gl_GETPAGESIZE],
+AC_DEFUN([gl_FUNC_GETPAGESIZE],
 [
-  AC_LIBSOURCES([getpagesize.h])
-
-  dnl Prerequisites of lib/getpagesize.h.
-  AC_CHECK_HEADERS_ONCE(sys/param.h unistd.h)
-  AC_CHECK_HEADERS(OS.h)
-  AC_CHECK_FUNCS(getpagesize)
+  AC_REQUIRE([gl_UNISTD_H_DEFAULTS])
+  AC_REQUIRE([AC_CANONICAL_HOST])
+  AC_CHECK_FUNCS([getpagesize])
+  if test $ac_cv_func_getpagesize = no; then
+    HAVE_GETPAGESIZE=0
+    AC_CHECK_HEADERS([OS.h])
+    if test $ac_cv_header_OS_h = yes; then
+      HAVE_OS_H=1
+    fi
+    AC_CHECK_HEADERS([sys/param.h])
+    if test $ac_cv_header_sys_param_h = yes; then
+      HAVE_SYS_PARAM_H=1
+    fi
+  fi
+  case "$host_os" in
+    mingw*)
+      REPLACE_GETPAGESIZE=1
+      AC_LIBOBJ([getpagesize])
+      ;;
+  esac
+  dnl Also check whether it's declared.
+  dnl mingw has getpagesize() in libgcc.a but doesn't declare it.
+  AC_CHECK_DECL([getpagesize], , [HAVE_DECL_GETPAGESIZE=0])
 ])