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| author | Eric Blake <eblake@redhat.com> | 2011-09-16 14:12:01 -0600 |
|---|---|---|
| committer | Eric Blake <eblake@redhat.com> | 2011-09-16 14:12:01 -0600 |
| commit | fa7cfa720110dc45ed470592c6bbb8c69f3b84ee (patch) | |
| tree | f5072cbeace2385fdf2a229b0fcf1c38f25fef98 /m4/fdatasync.m4 | |
| parent | c14a71ce5f8a891ee3fe00f9ccbe2d3c85062708 (diff) | |
| download | gnulib-fa7cfa720110dc45ed470592c6bbb8c69f3b84ee.tar.gz | |
fdatasync: port to Solaris
Cater to Solaris requiring extra libraries for fdatasync.
* m4/fdatasync.m4 (gl_FUNC_FDATASYNC): Set LIB_FDATASYNC.
* modules/fdatasync (Link): Document it.
* modules/fdatasync-tests (test_fdatasync_LDADD): Link with it.
Signed-off-by: Eric Blake <eblake@redhat.com>
Diffstat (limited to 'm4/fdatasync.m4')
| -rw-r--r-- | m4/fdatasync.m4 | 25 |
1 files changed, 19 insertions, 6 deletions
diff --git a/m4/fdatasync.m4 b/m4/fdatasync.m4 index cb11946664..ce3d0c6ba5 100644 --- a/m4/fdatasync.m4 +++ b/m4/fdatasync.m4 @@ -1,4 +1,4 @@ -# 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, @@ -7,13 +7,26 @@ dnl with or without modifications, as long as this notice is preserved. 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 ]) |