X-Git-Url: http://gitweb.michael.orlitzky.com/?a=blobdiff_plain;f=configure.ac;h=9f6d1ef46eac98fb99fb6069aa3fd425727942c3;hb=daf9b26398d5673c474bce3fde71be2b6b40a2fc;hp=dd028ff0a34ba6a95c8dcbee4850947eb4859915;hpb=f20847f2296271a8efab1f5013e3b96259a99dc6;p=apply-default-acl.git

diff --git a/configure.ac b/configure.ac
index dd028ff..9f6d1ef 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,9 +1,6 @@
-#                                               -*- Autoconf -*-
-# Process this file with autoconf to produce a configure script.
-
 AC_PREREQ([2.68])
-AC_INIT([apply-default-acl], [0.0.6], [michael@orlitzky.com])
-AM_INIT_AUTOMAKE([foreign]) # don't bug me a bout README, NEWS, etc.
+AC_INIT([apply-default-acl], [0.3.0], [michael@orlitzky.com])
+AM_INIT_AUTOMAKE([-Wall foreign no-dist-gzip dist-xz])
 AC_CONFIG_SRCDIR([src/apply-default-acl.c])
 AC_CONFIG_FILES([Makefile src/Makefile])
 
@@ -18,9 +15,27 @@ AC_HEADER_STDC    # stdlib.h string.h (implied: errno.h limits.h stdio.h)
 AC_TYPE_MODE_T
 
 # Check for header files not covered by the predefined macros above.
-AC_CHECK_HEADERS([ fcntl.h ftw.h getopt.h libgen.h limits.h sys/acl.h ])
-AC_CHECK_HEADERS([ sys/libacl.h sys/types.h unistd.h ])
+AC_CHECK_HEADERS([ fcntl.h ftw.h getopt.h libgen.h limits.h linux/xattr.h ])
+AC_CHECK_HEADERS([ sys/acl.h sys/libacl.h sys/types.h unistd.h ])
 
-LT_INIT
+# We need openat() with O_NOFOLLOW from POSIX-2008. Without them, we
+# can't operate securely; I would rather refuse to be built.
+AC_CHECK_FUNC(openat,
+              [],
+              AC_MSG_ERROR(missing required openat function))
+AC_CHECK_DECLS([O_DIRECTORY],
+               [],
+               [AC_MSG_ERROR(missing required O_DIRECTORY flag in fcntl.h)],
+               [[#include <fcntl.h>]])
+AC_CHECK_DECLS([O_NOFOLLOW],
+               [],
+               [AC_MSG_ERROR(missing required O_NOFOLLOW flag in fcntl.h)],
+               [[#include <fcntl.h>]])
+AC_CHECK_DECLS([O_PATH],
+               [],
+               [AC_MSG_ERROR(missing required O_PATH flag in fcntl.h)],
+               [[#define _GNU_SOURCE
+	         #include <fcntl.h>]])
 
+LT_INIT
 AC_OUTPUT