diff options
Diffstat (limited to 'm4/getpagesize.m4')
| -rw-r--r-- | m4/getpagesize.m4 | 33 |
1 files changed, 26 insertions, 7 deletions
diff --git a/m4/getpagesize.m4 b/m4/getpagesize.m4 index e8697bd..8902b7b 100644 --- a/m4/getpagesize.m4 +++ b/m4/getpagesize.m4 @@ -1,13 +1,32 @@ -# getpagesize.m4 serial 6 -dnl Copyright (C) 2002, 2004, 2005 Free Software Foundation, Inc. +# getpagesize.m4 serial 9 +dnl Copyright (C) 2002, 2004-2005, 2007, 2009-2016 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], [ - dnl Prerequisites of lib/getpagesize.h. - AC_CHECK_HEADERS_ONCE(sys/param.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 + ;; + 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]) ]) |