configure.ac: Assume --disable-xattr on Windows

[wimlib] / configure.ac

diff --git a/configure.ac b/configure.ac
index aa2f34e4e2157294ae029eb6683715c7987f50d8..1f46419ee20c324e0787be0acaa6de825142cd11 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -185,6 +185,7 @@ WINDOWS_CFLAGS=""
 WINDOWS_CPPFLAGS=""
 WINDOWS_LDFLAGS=""
 WINDOWS_LDADD=""
+ENABLE_XATTR_DEFAULT="autodetect"
 
 case "$host" in
        *-*-mingw*)
@@ -197,6 +198,7 @@ case "$host" in
                WINDOWS_CPPFLAGS="-D_POSIX -DUNICODE -D_UNICODE"
                WINDOWS_LDFLAGS="-no-undefined"
                WINDOWS_LDADD="-lshlwapi"
+               ENABLE_XATTR_DEFAULT="no"
                ;;
        *-*-cygwin*)
                # Cygwin (WARNING: not well supported)
@@ -221,7 +223,7 @@ AM_CONDITIONAL([WINDOWS_NATIVE_BUILD], [test "x$WINDOWS_NATIVE_BUILD" = "xyes"])
 AC_MSG_CHECKING([whether to include support for ntfs-3g])
 AC_ARG_WITH([ntfs-3g],
              AS_HELP_STRING([--without-ntfs-3g], [build without NTFS-3g.
-                             This will disable the ability to use NTFS-specific
+                             On UNIX, this will disable the ability to use NTFS-specific
                              information when capturing or applying WIMs to a
                              NTFS filesystem.]),
        [WITH_NTFS_3G=$withval],
@@ -229,8 +231,8 @@ AC_ARG_WITH([ntfs-3g],
        )
 AC_MSG_RESULT([$WITH_NTFS_3G])
 if test "x$WITH_NTFS_3G" = "xyes"; then
-       AC_DEFINE([WITH_NTFS_3G], [1], [Define to 1 to enable support for
-                  NTFS-specific information])
+       AC_DEFINE([WITH_NTFS_3G], [1], [On UNIX, define to 1 to enable support
+                  for NTFS-specific information])
 
        dnl This effectively checks for NTFS-3g 2011.4.12 or later
        AC_CHECK_LIB([ntfs-3g], [ntfs_xattr_system_setxattr], [],
@@ -311,15 +313,17 @@ AC_ARG_ENABLE([xattr],
        [AS_HELP_STRING([--enable-xattr], [Enable the xattr interface to access WIM
                        alternate data streams (default: autodetect)])],
        [ENABLE_XATTR=$enableval],
-       [AC_CHECK_FUNC([setxattr],
-               [AC_CHECK_HEADER([attr/xattr.h],
-                       [ENABLE_XATTR=yes],
-                       [AC_MSG_WARN([Cannot find the "attr/xattr.h" header.  You will not be
+       [if test "x$ENABLE_XATTR_DEFAULT" = "xautodetect"; then
+               AC_CHECK_FUNC([setxattr],
+                       [AC_CHECK_HEADER([attr/xattr.h],
+                               [ENABLE_XATTR=yes],
+                               [AC_MSG_WARN([Cannot find the "attr/xattr.h" header.  You will not be
+                                able to use the xattr interface to access WIM alternate data
+                                streams.])])],
+                       [AC_MSG_WARN([Cannot find the setxattr() function.  You will not be
                         able to use the xattr interface to access WIM alternate data
-                        streams.])])],
-               [AC_MSG_WARN([Cannot find the setxattr() function.  You will not be
-                able to use the xattr interface to access WIM alternate data
-                streams.])])])
+                        streams.])])
+       fi])
 
 if test "x$ENABLE_XATTR" = "xyes"; then
        AC_DEFINE([ENABLE_XATTR], [1], [Define to 1 if using the xattr