summaryrefslogtreecommitdiffstats
path: root/m4/flock.m4
diff options
context:
space:
mode:
authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-05 17:38:31 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-05 17:38:31 +0000
commit252601302d45036817546c533743e5918b6b86e8 (patch)
treebfad3f5be123f000fdb03e26400050dece33d72f /m4/flock.m4
parentInitial commit. (diff)
downloadwget-upstream.tar.xz
wget-upstream.zip
Adding upstream version 1.21.3.upstream/1.21.3upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'm4/flock.m4')
-rw-r--r--m4/flock.m424
1 files changed, 24 insertions, 0 deletions
diff --git a/m4/flock.m4 b/m4/flock.m4
new file mode 100644
index 0000000..655395e
--- /dev/null
+++ b/m4/flock.m4
@@ -0,0 +1,24 @@
+# flock.m4 serial 4
+dnl Copyright (C) 2008-2022 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_FLOCK],
+[
+ AC_REQUIRE([gl_SYS_FILE_H_DEFAULTS])
+ AC_CHECK_FUNCS_ONCE([flock])
+ if test $ac_cv_func_flock = no; then
+ HAVE_FLOCK=0
+ fi
+])
+
+dnl Prerequisites of lib/flock.c.
+AC_DEFUN([gl_PREREQ_FLOCK],
+[
+ AC_CHECK_FUNCS_ONCE([fcntl])
+ AC_CHECK_HEADERS_ONCE([unistd.h])
+
+ dnl Do we have a POSIX fcntl lock implementation?
+ AC_CHECK_MEMBERS([struct flock.l_type],[],[],[[#include <fcntl.h>]])
+])