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| author | Bruno Haible <bruno@clisp.org> | 2011-11-02 22:34:51 +0100 |
|---|---|---|
| committer | Bruno Haible <bruno@clisp.org> | 2011-11-02 22:55:16 +0100 |
| commit | 84c3f9cf54eaa688c5a1a26925886535079a91de (patch) | |
| tree | 6889797e743d2d23c7ce2759f6b789c14637a4f0 /m4/unlinkat.m4 | |
| parent | afe598a51a14e75cd697a30ac54fa9cc29c8cde0 (diff) | |
| download | gnulib-84c3f9cf54eaa688c5a1a26925886535079a91de.tar.gz | |
New module 'unlinkat', split off from module 'openat'.
* m4/unlinkat.m4: New file, extracted from m4/openat.m4.
* m4/openat.m4 (gl_FUNC_OPENAT): Don't set GNULIB_UNLINKAT,
REPLACE_UNLINKAT, HAVE_UNLINKAT. Don't test for unlinkat.
* modules/unlinkat: New file, extracted from modules/openat. Correct
the dependency conditions.
* modules/openat (Files): Remove lib/unlinkat.c.
(Depends-on): Remove rmdir, unlink.
(configure.ac): Remove AC_LIBOBJ of unlinkat.
* modules/unlinkat-tests: New file, extracted from modules/openat-tests.
* modules/openat-tests (Files): Remove tests/test-unlinkat.c,
tests/test-rmdir.h, tests/test-unlink.h.
(Depends-on): Remove unlinkdir.
(Makefile.am): Remove rules for test-unlinkat.
* doc/posix-functions/unlinkat.texi: Mention module 'unlinkat' instead
of module 'openat'.
* NEWS: Mention the change.
* modules/linkat-tests (Depends-on): Add unlinkat.
* modules/mkfifoat-tests (Depends-on): Likewise.
* modules/readlinkat-tests (Depends-on): Likewise.
Diffstat (limited to 'm4/unlinkat.m4')
| -rw-r--r-- | m4/unlinkat.m4 | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/m4/unlinkat.m4 b/m4/unlinkat.m4 new file mode 100644 index 0000000000..724d3cdc6a --- /dev/null +++ b/m4/unlinkat.m4 @@ -0,0 +1,30 @@ +# unlinkat.m4 serial 1 +dnl Copyright (C) 2004-2011 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +# Written by Jim Meyering. + +AC_DEFUN([gl_FUNC_UNLINKAT], +[ + AC_REQUIRE([gl_UNISTD_H_DEFAULTS]) + AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS]) + AC_CHECK_FUNCS_ONCE([unlinkat]) + AC_REQUIRE([gl_FUNC_UNLINK]) + AC_REQUIRE([gl_FUNC_LSTAT_FOLLOWS_SLASHED_SYMLINK]) + if test $ac_cv_func_unlinkat = no; then + HAVE_UNLINKAT=0 + else + if test $gl_cv_func_lstat_dereferences_slashed_symlink != yes; then + # Solaris 9 has *at functions, but uniformly mishandles trailing + # slash in all of them. + REPLACE_UNLINKAT=1 + else + # GNU/Hurd has unlinkat, but it has the same bug as unlink. + if test $REPLACE_UNLINK = 1; then + REPLACE_UNLINKAT=1 + fi + fi + fi +]) |