Mercurial > gnulib
view m4/fdatasync.m4 @ 40132:6bcaf5dcb02b
fdatasync: Fix compilation error on Android 4.3.
* m4/fdatasync.m4 (gl_FUNC_FDATASYNC): On platforms other than Solaris,
test whether fdatasync() exists.
author | Bruno Haible <bruno@clisp.org> |
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date | Fri, 25 Jan 2019 00:15:50 +0100 |
parents | b06060465f09 |
children |
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# fdatasync.m4 serial 5 dnl Copyright (C) 2008-2019 Free Software Foundation, 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_FUNC_FDATASYNC], [ AC_REQUIRE([gl_UNISTD_H_DEFAULTS]) AC_REQUIRE([AC_CANONICAL_HOST]) 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 Mac OS X 10.7 has fdatasync but does not declare it. AC_CHECK_FUNCS([fdatasync]) if test $ac_cv_func_fdatasync = no; then HAVE_FDATASYNC=0 fi else case "$host_os" in solaris*) 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 ;; *) dnl Android 4.3 does not have fdatasync but declares it. AC_CHECK_FUNCS([fdatasync]) if test $ac_cv_func_fdatasync = no; then HAVE_FDATASYNC=0 fi ;; esac fi ])