-# canonicalize.m4 serial 23
+# canonicalize.m4 serial 26
-dnl Copyright (C) 2003-2007, 2009-2012 Free Software Foundation, Inc.
+dnl Copyright (C) 2003-2007, 2009-2013 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
AC_REQUIRE([gl_FUNC_REALPATH_WORKS])
if test $ac_cv_func_canonicalize_file_name = no; then
HAVE_CANONICALIZE_FILE_NAME=0
- elif test "$gl_cv_func_realpath_works" != yes; then
- REPLACE_CANONICALIZE_FILE_NAME=1
+ else
+ case "$gl_cv_func_realpath_works" in
+ *yes) ;;
+ *) REPLACE_CANONICALIZE_FILE_NAME=1 ;;
+ esac
fi
])
HAVE_CANONICALIZE_FILE_NAME=0
if test $ac_cv_func_realpath = no; then
HAVE_REALPATH=0
- elif test "$gl_cv_func_realpath_works" != yes; then
- REPLACE_REALPATH=1
+ else
+ case "$gl_cv_func_realpath_works" in
+ *yes) ;;
+ *) REPLACE_REALPATH=1 ;;
+ esac
fi
- elif test "$gl_cv_func_realpath_works" != yes; then
- REPLACE_CANONICALIZE_FILE_NAME=1
- REPLACE_REALPATH=1
+ else
+ case "$gl_cv_func_realpath_works" in
+ *yes)
+ ;;
+ *)
+ REPLACE_CANONICALIZE_FILE_NAME=1
+ REPLACE_REALPATH=1
+ ;;
+ esac
fi
])
AC_DEFUN([gl_FUNC_REALPATH_WORKS],
[
AC_CHECK_FUNCS_ONCE([realpath])
+ AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles
AC_CACHE_CHECK([whether realpath works], [gl_cv_func_realpath_works], [
touch conftest.a
mkdir conftest.d
}
return result;
]])
- ], [gl_cv_func_realpath_works=yes], [gl_cv_func_realpath_works=no],
- [gl_cv_func_realpath_works="guessing no"])
+ ],
+ [gl_cv_func_realpath_works=yes],
+ [gl_cv_func_realpath_works=no],
+ [case "$host_os" in
+ # Guess yes on glibc systems.
+ *-gnu* | gnu*) gl_cv_func_realpath_works="guessing yes" ;;
+ # If we don't know, assume the worst.
+ *) gl_cv_func_realpath_works="guessing no" ;;
+ esac
+ ])
rm -rf conftest.a conftest.d
])
- if test "$gl_cv_func_realpath_works" = yes; then
- AC_DEFINE([FUNC_REALPATH_WORKS], [1], [Define to 1 if realpath()
- can malloc memory, always gives an absolute path, and handles
- trailing slash correctly.])
- fi
+ case "$gl_cv_func_realpath_works" in
+ *yes)
+ AC_DEFINE([FUNC_REALPATH_WORKS], [1], [Define to 1 if realpath()
+ can malloc memory, always gives an absolute path, and handles
+ trailing slash correctly.])
+ ;;
+ esac
])