summaryrefslogtreecommitdiff
path: root/gnulib-m4/fcntl_h.m4
diff options
context:
space:
mode:
authorAndreas Rottmann <a.rottmann@gmx.at>2010-05-27 18:23:15 +0200
committerAndreas Rottmann <a.rottmann@gmx.at>2010-05-27 18:23:15 +0200
commit3e0814cd9862b89c7a39672672937477bd87ddfb (patch)
tree159134a624e51509f40ed8823249f09a70d1dda3 /gnulib-m4/fcntl_h.m4
parent3bebb94360f1c2333feb8d504a9fa4f96984d8b7 (diff)
Imported Upstream version 0.9.3upstream/0.9.3
Diffstat (limited to 'gnulib-m4/fcntl_h.m4')
-rw-r--r--gnulib-m4/fcntl_h.m496
1 files changed, 0 insertions, 96 deletions
diff --git a/gnulib-m4/fcntl_h.m4 b/gnulib-m4/fcntl_h.m4
deleted file mode 100644
index 1ae0b15a..00000000
--- a/gnulib-m4/fcntl_h.m4
+++ /dev/null
@@ -1,96 +0,0 @@
-# Configure fcntl.h.
-dnl Copyright (C) 2006, 2007, 2009 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.
-
-dnl Written by Paul Eggert.
-
-AC_DEFUN([gl_FCNTL_H],
-[
- AC_REQUIRE([gl_FCNTL_H_DEFAULTS])
- dnl Persuade glibc <fcntl.h> to define O_NOATIME and O_NOFOLLOW.
- AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS])
- AC_CACHE_CHECK([for working fcntl.h], [gl_cv_header_working_fcntl_h],
- [AC_RUN_IFELSE(
- [AC_LANG_PROGRAM(
- [[#include <sys/types.h>
- #include <sys/stat.h>
- #include <unistd.h>
- #include <fcntl.h>
- #ifndef O_NOATIME
- #define O_NOATIME 0
- #endif
- #ifndef O_NOFOLLOW
- #define O_NOFOLLOW 0
- #endif
- static int const constants[] =
- {
- O_CREAT, O_EXCL, O_NOCTTY, O_TRUNC, O_APPEND,
- O_NONBLOCK, O_SYNC, O_ACCMODE, O_RDONLY, O_RDWR, O_WRONLY
- };
- ]],
- [[
- int status = !constants;
- {
- static char const sym[] = "conftest.sym";
- if (symlink (".", sym) != 0
- || close (open (sym, O_RDONLY | O_NOFOLLOW)) == 0)
- status |= 32;
- }
- {
- static char const file[] = "confdefs.h";
- int fd = open (file, O_RDONLY | O_NOATIME);
- char c;
- struct stat st0, st1;
- if (fd < 0
- || fstat (fd, &st0) != 0
- || sleep (1) != 0
- || read (fd, &c, 1) != 1
- || close (fd) != 0
- || stat (file, &st1) != 0
- || st0.st_atime != st1.st_atime)
- status |= 64;
- }
- return status;]])],
- [gl_cv_header_working_fcntl_h=yes],
- [case $? in #(
- 32) gl_cv_header_working_fcntl_h='no (bad O_NOFOLLOW)';; #(
- 64) gl_cv_header_working_fcntl_h='no (bad O_NOATIME)';; #(
- 96) gl_cv_header_working_fcntl_h='no (bad O_NOATIME, O_NOFOLLOW)';; #(
- *) gl_cv_header_working_fcntl_h='no';;
- esac],
- [gl_cv_header_working_fcntl_h=cross-compiling])])
-
- case $gl_cv_header_working_fcntl_h in #(
- *O_NOATIME* | no | cross-compiling) ac_val=0;; #(
- *) ac_val=1;;
- esac
- AC_DEFINE_UNQUOTED([HAVE_WORKING_O_NOATIME], [$ac_val],
- [Define to 1 if O_NOATIME works.])
-
- case $gl_cv_header_working_fcntl_h in #(
- *O_NOFOLLOW* | no | cross-compiling) ac_val=0;; #(
- *) ac_val=1;;
- esac
- AC_DEFINE_UNQUOTED([HAVE_WORKING_O_NOFOLLOW], [$ac_val],
- [Define to 1 if O_NOFOLLOW works.])
-
- gl_CHECK_NEXT_HEADERS([fcntl.h])
- FCNTL_H='fcntl.h'
- AC_SUBST([FCNTL_H])
-])
-
-AC_DEFUN([gl_FCNTL_MODULE_INDICATOR],
-[
- dnl Use AC_REQUIRE here, so that the default settings are expanded once only.
- AC_REQUIRE([gl_FCNTL_H_DEFAULTS])
- GNULIB_[]m4_translit([$1],[abcdefghijklmnopqrstuvwxyz./-],[ABCDEFGHIJKLMNOPQRSTUVWXYZ___])=1
-])
-
-AC_DEFUN([gl_FCNTL_H_DEFAULTS],
-[
- GNULIB_OPEN=0; AC_SUBST([GNULIB_OPEN])
- dnl Assume proper GNU behavior unless another module says otherwise.
- REPLACE_OPEN=0; AC_SUBST([REPLACE_OPEN])
-])