2011-09-16 Eric Blake <eblake@redhat.com>
- fdatasync: port to MacOS X 10.7.
+ fdatasync: port to Solaris
+ * m4/fdatasync.m4 (gl_FUNC_FDATASYNC): Set LIB_FDATASYNC.
+ * modules/fdatasync (Link): Document it.
+ * modules/fdatasync-tests (test_fdatasync_LDADD): Link with it.
+
+ fdatasync: port to MacOS X 10.7
* m4/fdatasync.m4 (gl_FUNC_FDATASYNC): Check for present but not
declared.
* m4/unistd_h.m4 (gl_UNISTD_H_DEFAULTS): Another default.
-# fdatasync.m4 serial 2
+# fdatasync.m4 serial 3
dnl Copyright (C) 2008-2011 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_DEFUN([gl_FUNC_FDATASYNC],
[
AC_REQUIRE([gl_UNISTD_H_DEFAULTS])
- AC_CHECK_FUNCS_ONCE([fdatasync])
- if test $ac_cv_func_fdatasync = no; then
- HAVE_FDATASYNC=0
- fi
- dnl MacOS X 10.7 has fdatasync but does not declare it.
+
+ dnl Using AC_CHECK_FUNCS_ONCE would break our subsequent AC_SEARCH_LIBS
AC_CHECK_DECLS_ONCE([fdatasync])
+ LIB_FDATASYNC=
+ AC_SUBST([LIB_FDATASYNC])
+
if test $ac_cv_have_decl_fdatasync = no; then
HAVE_DECL_FDATASYNC=0
+ dnl MacOS X 10.7 has fdatasync but does not declare it.
+ AC_CHECK_FUNCS([fdatasync])
+ if test $ac_cv_func_fdatasync = no; then
+ HAVE_FDATASYNC=0
+ fi
+ else
+ dnl Solaris <= 2.6 has fdatasync() in libposix4.
+ dnl Solaris 7..10 has it in librt.
+ gl_saved_libs=$LIBS
+ AC_SEARCH_LIBS([fdatasync], [rt posix4],
+ [test "$ac_cv_search_fdatasync" = "none required" ||
+ LIB_FDATASYNC=$ac_cv_search_fdatasync])
+ LIBS=$gl_saved_libs
fi
])