Disable use of ext2fs/ext2_fs.h by cmake's internal libarchive copy

We don't want to add a dependency on e2fsprogs-native for cmake-native,
and we don't use CPack so just disable this functionality.

Upstream-Status: Inappropriate [config]

Signed-off-by: Paul Eggleton <paul.eggleton@linux.intel.com>

--- a/Utilities/cmlibarchive/CMakeLists.txt
+++ b/Utilities/cmlibarchive/CMakeLists.txt
@@ -237,12 +237,8 @@ LA_CHECK_INCLUDE_FILE("copyfile.h" HAVE_COPYFILE_H)
 LA_CHECK_INCLUDE_FILE("direct.h" HAVE_DIRECT_H)
 LA_CHECK_INCLUDE_FILE("dlfcn.h" HAVE_DLFCN_H)
 LA_CHECK_INCLUDE_FILE("errno.h" HAVE_ERRNO_H)
-LA_CHECK_INCLUDE_FILE("ext2fs/ext2_fs.h" HAVE_EXT2FS_EXT2_FS_H)
-
-CHECK_C_SOURCE_COMPILES("#include <sys/ioctl.h>
-#include <ext2fs/ext2_fs.h>
-int main(void) { return EXT2_IOC_GETFLAGS; }" HAVE_WORKING_EXT2_IOC_GETFLAGS)
-
+SET(HAVE_EXT2FS_EXT2_FS_H 0)
+SET(HAVE_WORKING_EXT2_IOC_GETFLAGS 0)
 LA_CHECK_INCLUDE_FILE("fcntl.h" HAVE_FCNTL_H)
 LA_CHECK_INCLUDE_FILE("grp.h" HAVE_GRP_H)
 LA_CHECK_INCLUDE_FILE("inttypes.h" HAVE_INTTYPES_H)