From 84c3f9cf54eaa688c5a1a26925886535079a91de Mon Sep 17 00:00:00 2001 From: Bruno Haible Date: Wed, 2 Nov 2011 22:34:51 +0100 Subject: 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. --- m4/unlinkat.m4 | 30 ++++++++++++++++++++++++++++++ 1 file changed, 30 insertions(+) create mode 100644 m4/unlinkat.m4 (limited to 'm4/unlinkat.m4') 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 +]) -- cgit v1.2.1