diff options
Diffstat (limited to 'gnulib-m4/getpagesize.m4')
| -rw-r--r-- | gnulib-m4/getpagesize.m4 | 23 |
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]) + ]) +]) |