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Diffstat (limited to 'gnulib-m4/getpagesize.m4')
-rw-r--r--gnulib-m4/getpagesize.m423
1 files changed, 20 insertions, 3 deletions
diff --git a/gnulib-m4/getpagesize.m4 b/gnulib-m4/getpagesize.m4
index 6492c78d..eb17d60d 100644
--- a/gnulib-m4/getpagesize.m4
+++ b/gnulib-m4/getpagesize.m4
@@ -1,4 +1,4 @@
-# getpagesize.m4 serial 9
+# getpagesize.m4 serial 10
dnl Copyright (C) 2002, 2004-2005, 2007, 2009-2018 Free Software Foundation,
dnl Inc.
dnl This file is free software; the Free Software Foundation
@@ -9,8 +9,8 @@ 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
+ gl_CHECK_FUNC_GETPAGESIZE
+ if test $gl_cv_func_getpagesize = no; then
HAVE_GETPAGESIZE=0
AC_CHECK_HEADERS([OS.h])
if test $ac_cv_header_OS_h = yes; then
@@ -30,3 +30,20 @@ AC_DEFUN([gl_FUNC_GETPAGESIZE],
dnl mingw has getpagesize() in libgcc.a but doesn't declare it.
AC_CHECK_DECL([getpagesize], , [HAVE_DECL_GETPAGESIZE=0])
])
+
+dnl Tests whether the function getpagesize() exists.
+dnl Sets gl_cv_func_getpagesize.
+AC_DEFUN([gl_CHECK_FUNC_GETPAGESIZE],
+[
+ dnl We can't use AC_CHECK_FUNC here, because getpagesize() is defined as a
+ dnl static inline function when compiling for Android 4.4 or older.
+ AC_CACHE_CHECK([for getpagesize], [gl_cv_func_getpagesize],
+ [AC_LINK_IFELSE(
+ [AC_LANG_PROGRAM(
+ [[#include <unistd.h>]],
+ [[return getpagesize();]])
+ ],
+ [gl_cv_func_getpagesize=yes],
+ [gl_cv_func_getpagesize=no])
+ ])
+])