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-rw-r--r--gl/m4/getpagesize.m433
1 files changed, 33 insertions, 0 deletions
diff --git a/gl/m4/getpagesize.m4 b/gl/m4/getpagesize.m4
new file mode 100644
index 0000000000..313ad7fa26
--- /dev/null
+++ b/gl/m4/getpagesize.m4
@@ -0,0 +1,33 @@
+# 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_FUNC_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])
+])