e2fsck: do not allow initialized blocks pass i_size

[tools/e2fsprogs.git] / configure.ac

diff --git a/configure.ac b/configure.ac
index ee05c67..5e837c9 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -124,8 +124,8 @@ else
 fi
 AC_USE_SYSTEM_EXTENSIONS
 dnl
-dnl Set default values for library extentions.  Will be dealt with after
-dnl parsing configuration opions, which may modify these
+dnl Set default values for library extensions.  Will be dealt with after
+dnl parsing configuration options, which may modify these
 dnl
 LIB_EXT=.a
 STATIC_LIB_EXT=.a
@@ -946,7 +946,27 @@ AC_CHECK_HEADERS(m4_flatten([
        sys/types.h
        sys/un.h
        sys/wait.h
+       sys/xattr.h
 ]))
+dnl Check where to find a dd(1) that supports iflag=fullblock
+dnl and oflag=append
+AC_MSG_CHECKING([for a dd(1) program that supports iflag=fullblock])
+DD=
+for i in dd gdd ; do
+       if "$i" if=/dev/null of=/dev/null count=1 bs=10k 2>/dev/null iflag=fullblock oflag=append ; then
+               DD=$i
+               break
+       fi
+done
+if test -n "$DD" ; then
+       AC_MSG_RESULT([$DD])
+else
+       AC_MSG_RESULT([not found, using dd])
+       DD=dd
+       AC_MSG_WARN([No GNU-compatible dd(1) program found, expect some self-test failures.])
+fi
+AC_SUBST([DD])
+
 AC_CHECK_HEADERS(net/if.h,,,
 [[
 #if HAVE_SYS_TYPES_H
@@ -958,7 +978,7 @@ AC_CHECK_HEADERS(net/if.h,,,
 ]])
 AC_FUNC_VPRINTF
 dnl Check to see if dirent has member d_reclen. On cygwin those d_reclen
-dnl is not decleared.
+dnl is not declared.
 AC_CHECK_MEMBER(struct dirent.d_reclen,[AC_DEFINE(HAVE_RECLEN_DIRENT, 1,
                       [Define to 1 if dirent has d_reclen])],,
                [#include <dirent.h>])
@@ -1104,6 +1124,7 @@ AC_CHECK_FUNCS(m4_flatten([
        futimes
        getcwd
        getdtablesize
+       gethostname
        getmntinfo
        getpwuid_r
        getrlimit